{"id":102,"date":"2025-11-03T14:13:48","date_gmt":"2025-11-03T06:13:48","guid":{"rendered":"https:\/\/www.xiewuyi.com\/?p=102"},"modified":"2025-11-18T23:14:27","modified_gmt":"2025-11-18T15:14:27","slug":"%e6%8b%86%e8%a7%a3ai-%e7%bb%98%e7%94%bb%ef%bc%9a%e6%89%a9%e6%95%a3%e6%a8%a1%e5%9e%8b%ef%bc%88diffusion-model%ef%bc%89%e7%9a%84%e6%a0%b8%e5%bf%83%e5%8e%9f%e7%90%86%e4%b8%8e%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"http:\/\/www.xiewuyi.com\/index.php\/2025\/11\/03\/%e6%8b%86%e8%a7%a3ai-%e7%bb%98%e7%94%bb%ef%bc%9a%e6%89%a9%e6%95%a3%e6%a8%a1%e5%9e%8b%ef%bc%88diffusion-model%ef%bc%89%e7%9a%84%e6%a0%b8%e5%bf%83%e5%8e%9f%e7%90%86%e4%b8%8e%e5%ba%94%e7%94%a8\/","title":{"rendered":"AI \u7ed8\u753b\uff1a\u6269\u6563\u6a21\u578b\uff08Diffusion Model\uff09\u7684\u6838\u5fc3\u539f\u7406\u4e0e\u5e94\u7528"},"content":{"rendered":"\n<p>\u4ec5\u4ec5\u5728\u4e00\u5e74\u591a\u4ee5\u524d\uff0cAI \u56fe\u50cf\u751f\u6210\u8fd8\u50cf\u4e00\u4e2a\u201c\u9ad8\u7ea7\u73a9\u5177\u201d\u3002\u5b83\u5145\u6ee1\u4e86\u96be\u4ee5\u653b\u514b\u7684\u201c\u987d\u75be\u201d\uff1a\u753b\u4e0d\u51fa\u6b63\u5e38\u7684\u624b\u6307\u3001\u65e0\u6cd5\u5728\u56fe\u50cf\u4e2d\u6e32\u67d3\u51fa\u51c6\u786e\u7684\u6587\u5b57\u3001\u66f4\u96be\u4ee5\u5728\u4e0d\u540c\u753b\u9762\u4e2d\u4fdd\u6301\u540c\u4e00\u4e2a\u4e3b\u4f53\uff08\u5982\u4eba\u7269\u6216\u98ce\u683c\uff09\u7684\u4e00\u81f4\u6027\u3002<\/p>\n\n\n\n<p>\u800c\u4eca\u5929\uff0c\u4ece DALL-E 3 \u5230 Midjourney \u548c Stable Diffusion \u7684\u6700\u65b0\u8fed\u4ee3\uff0c\u8fd9\u4e9b\u95ee\u9898\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u5df2\u88ab\u9010\u4e00\u653b\u514b\u3002AI \u4ea7\u51fa\u7684\u4f5c\u54c1\u5df2\u7ecf\u8fbe\u5230\u4e86\u7167\u7247\u7ea7\u3001\u9ad8\u4fdd\u771f\u7684\u6c34\u51c6\uff0cAIGC \u6b63\u5728\u4ece\u201c\u73a9\u5177\u201d\u9ad8\u901f\u8fdb\u5316\u4e3a\u201c\u751f\u4ea7\u529b\u5de5\u5177\u201d\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e9b\u770b\u4f3c\u201c\u9b54\u6cd5\u201d\u7684\u5de5\u5177\uff0c\u5176\u6280\u672f\u57fa\u77f3\u5e76\u975e\u65e0\u6cd5\u7406\u89e3\u7684\u201c\u9ed1\u5323\u5b50\u201d\u3002\u5b83\u4eec\u90fd\u6784\u5efa\u5728\u4e00\u4e2a\u7edf\u4e00\u4e14\u5f3a\u5927\u7684\u6838\u5fc3\u6846\u67b6\u4e4b\u4e0a\uff1a<strong>\u6269\u6563\u6a21\u578b\uff08Diffusion Model\uff09<\/strong>\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u6838\u5fc3\u8fc7\u7a0b\uff0c\u7c7b\u4f3c\u4e8e\u8c03\u8c10\u4e00\u53f0\u8001\u5f0f\u6536\u97f3\u673a\u6216\u9ed1\u767d\u7535\u89c6\u3002\u6211\u4eec\u60f3\u8981\u7684\u56fe\u50cf\u662f\u4e00\u4e2a\u6e05\u6670\u7684\u201c\u7535\u53f0\u4fe1\u53f7\u201d\uff0c\u4f46\u5b83\u88ab\u57cb\u85cf\u5728\u5de8\u5927\u7684\u201c\u767d\u566a\u58f0\u201d\u4e2d\u3002AI \u7684\u5de5\u4f5c\uff0c\u5c31\u662f\u4ece 100% \u7684\u7eaf\u566a\u58f0\uff08\u201c\u6c99\u6c99\u201d\u58f0\u3001\u96ea\u82b1\u5c4f\uff09\u5f00\u59cb\uff0c\u5728\u63d0\u793a\u8bcd\uff08\u201c\u76ee\u6807\u9891\u7387\u201d\uff09\u7684\u5f15\u5bfc\u4e0b\uff0c\u4e00\u6b65\u6b65\u201c\u8c03\u8c10\u201d\u65cb\u94ae\uff0c\u5c06\u201c\u4fe1\u53f7\u201d\u4ece\u201c\u566a\u58f0\u201d\u4e2d\u6062\u590d\u51fa\u6765\u3002<\/p>\n\n\n\n<p>\u672c\u6587\u5c06\u6df1\u5165\u62c6\u89e3\u8fd9\u4e00\u201c\u4ece\u6df7\u6c8c\u4e2d\u6062\u590d\u79e9\u5e8f\u201d\u7684\u6838\u5fc3\u539f\u7406\uff0c\u5206\u6790\u4e3b\u6d41\u5de5\u5177\uff08DALL-E  VS Midjourney\/Stable Diffusion\uff09\u5728\u5b9e\u73b0\u8def\u5f84\u4e0a\u7684\u5173\u952e\u5dee\u5f02\uff0c\u5e76\u89e3\u6784\u201c\u6587\u751f\u56fe\u201d\u548c\u201c\u56fe\u751f\u56fe\u201d\u7684\u5b8c\u6574\u5de5\u4f5c\u6d41\uff0c\u4ee5\u53ca\u6211\u4eec\u5982\u4f55\u901a\u8fc7\u5173\u952e\u53c2\u6570\u6765\u64cd\u7eb5\u6a21\u578b\u751f\u6210\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u3001\u6269\u6563\u6a21\u578b\uff1a\u201c\u4ece\u6df7\u6c8c\u4e2d\u6062\u590d\u79e9\u5e8f\u201d\u7684\u6838\u5fc3\u601d\u60f3<\/h3>\n\n\n\n<p>\u6240\u6709\u6269\u6563\u6a21\u578b\uff0c\u90fd\u6e90\u4e8e\u4e00\u4e2a\u770b\u4f3c\u77db\u76fe\u7684\u7269\u7406\u8fc7\u7a0b\uff1a<strong>\u6709\u5e8f\u7684\u56fe\u50cf\u53ef\u4ee5\u53d8\u4e3a\u7eaf\u7cb9\u7684\u65e0\u5e8f\uff08\u566a\u58f0\uff09\uff0c\u90a3\u4e48\u8fd9\u4e2a\u8fc7\u7a0b\u80fd\u5426\u88ab\u9006\u8f6c\uff1f<\/strong><\/p>\n\n\n\n<p>\u6269\u6563\u6a21\u578b\u901a\u8fc7\u4e24\u4e2a\u9636\u6bb5\u6765\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u524d\u5411\u8fc7\u7a0b\uff08\u52a0\u566a\uff09\uff1a<\/strong> \u8fd9\u662f\u4e00\u4e2a\u56fa\u5b9a\u7684\u6570\u5b66\u8fc7\u7a0b\u3002\u5b83\u4ece\u4e00\u5f20\u6e05\u6670\u7684\u539f\u59cb\u56fe\u7247\u5f00\u59cb\uff0c\u5728\u51e0\u767e\u4e0a\u5343\u4e2a\u201c\u65f6\u95f4\u6b65\u201d\uff08timestep\uff0c\u5373\u4e00\u4e2a\u6781\u5c0f\u7684\u65f6\u95f4\u7247\u6bb5\uff09\u4e2d\uff0c\u9010\u6b65\u5411\u56fe\u7247\u4e2d\u6dfb\u52a0\u5fae\u91cf\u7684\u201c\u566a\u58f0\u201d\uff08Gaussian Noise\uff0c\u9ad8\u65af\u566a\u58f0\uff0c\u4e00\u79cd\u5f62\u6001\u6700\u6807\u51c6\u3001\u6700\u968f\u673a\u7684\u9759\u6001\u566a\u70b9\uff09\u3002\u6700\u7ec8\uff0c\u8fd9\u5f20\u56fe\u7247\u4f1a\u5f7b\u5e95\u53d8\u6210\u4e00\u5f20\u5b8c\u5168\u968f\u673a\u3001\u6beb\u65e0\u610f\u4e49\u7684\u7eaf\u566a\u58f0\u56fe\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"247\" src=\"https:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-3-1024x247.png\" alt=\"\" class=\"wp-image-119\" style=\"box-shadow:none\" srcset=\"http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-3-1024x247.png 1024w, http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-3-300x72.png 300w, http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-3-768x185.png 768w, http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-3-1536x370.png 1536w, http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-3.png 1792w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u56fe\u7247\u6765\u6e90\uff1a<a href=\"https:\/\/stable-diffusion-art.com\/how-stable-diffusion-work\/\" target=\"_blank\" rel=\"noreferrer noopener\">Stable Diffusion Art<\/a><\/figcaption><\/figure>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u53cd\u5411\u8fc7\u7a0b\uff08\u53bb\u566a\uff09\uff1a<\/strong> \u8fd9\u662f AI \u5b66\u4e60\u7684\u6838\u5fc3\u3002\u6211\u4eec\u8bad\u7ec3\u4e00\u4e2a\u795e\u7ecf\u7f51\u7edc\u6a21\u578b\uff0c\u8ba9\u5b83\u201c\u89c2\u5bdf\u201d\u524d\u5411\u8fc7\u7a0b\u3002AI \u7684\u4efb\u52a1\u662f<strong>\u9884\u6d4b<\/strong>\u5728\u4efb\u610f\u4e00\u4e2a\u201c\u65f6\u95f4\u6b65\u201d <code>t<\/code>\uff0c\u88ab\u6dfb\u52a0\u5230\u56fe\u7247\u4e2d\u7684<strong>\u566a\u58f0\u5230\u5e95\u662f\u4ec0\u4e48<\/strong>\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"376\" src=\"https:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-4-1024x376.png\" alt=\"\" class=\"wp-image-121\" style=\"box-shadow:none\" srcset=\"http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-4-1024x376.png 1024w, http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-4-300x110.png 300w, http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-4-768x282.png 768w, http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-4-1536x564.png 1536w, http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-4-2048x753.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u56fe\u7247\u6765\u6e90\uff1a<a href=\"https:\/\/stable-diffusion-art.com\/how-stable-diffusion-work\/\" target=\"_blank\" rel=\"noreferrer noopener\">Stable Diffusion Art<\/a><\/figcaption><\/figure>\n\n\n\n<p>\u8bad\u7ec3\u5b8c\u6210\u540e\uff0c\u8fd9\u4e2a\u795e\u7ecf\u7f51\u7edc\u5c31\u6210\u4e86\u4e00\u4e2a\u5f3a\u5927\u7684\u201c\u566a\u58f0\u9884\u6d4b\u5668\u201d\uff08 <em>\u53d1\u6563\uff1aLLM \u9884\u8bad\u7ec3\u5f97\u5230\u7684\u57fa\u7840\u6a21\u578b\uff0c\u662f\u4e00\u4e2a\u201cToken\u9884\u6d4b\u5668\u201d\uff0c\u89c1\u201c<a href=\"https:\/\/www.xiewuyi.com\/index.php\/2025\/10\/19\/%e5%a4%a7%e8%af%ad%e8%a8%80%e6%a8%a1%e5%9e%8b%ef%bc%88llm%ef%bc%89%e8%ae%ad%e7%bb%83%e7%9a%84%e4%b8%89%e4%b8%aa%e9%98%b6%e6%ae%b5\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u5927\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09\u8bad\u7ec3\u7684\u4e09\u4e2a\u9636\u6bb5<\/a>\u201d<\/em> \uff09\u3002<\/p>\n\n\n\n<p><strong>AI \u7ed8\u753b\u7684\u672c\u8d28\uff0c\u4e0d\u662f\u201c\u4ece\u767d\u7eb8\u4f5c\u753b\u201d\uff0c\u800c\u662f\u201c\u4ece\u6df7\u6c8c\uff08\u566a\u58f0\uff09\u4e2d\u9010\u6b65\u6062\u590d\u51fa\u79e9\u5e8f\uff08\u56fe\u50cf\uff09\u201d\u3002<\/strong><\/p>\n\n\n\n<p>\u201c\u53cd\u5411\u8fc7\u7a0b\uff08\u53bb\u566a\uff09\u201d\u542c\u8d77\u6765\u5f88\u795e\u5947\uff0cAI \u5230\u5e95\u662f\u5982\u4f55\u201c\u5b66\u4f1a\u201d\u53bb\u566a\u7684\uff1f\u6211\u4eec\u53ef\u4ee5\u7528\u4e00\u4e2a\u89c6\u89c9\u5316\u7684\u65b9\u5f0f\u6765\u7406\u89e3\u3002<\/p>\n\n\n\n<p>\u60f3\u8c61\u4e00\u4e2a\u5de8\u5927\u65e0\u6bd4\u7684\u201c\u50cf\u7d20\u4ed3\u5e93\u201d\uff08\u5373\u201c\u9ad8\u7ef4\u7a7a\u95f4\u201d\uff0c\u4e00\u5f20\u7531\u4e00\u7ec4\u50cf\u7d20\u7ec4\u6210\u7684\u56fe\u7247\uff0c\u5728\u8be5\u7a7a\u95f4\u5185\u5c31\u662f\u4e00\u4e2a\u70b9\uff09\uff0c\u7406\u8bba\u4e0a\u5b83\u5305\u542b\u4e86\u201c\u6240\u6709\u201d\u53ef\u80fd\u7684\u50cf\u7d20\u7ec4\u5408\u3002\u4f46\u8fd9\u4e2a\u4ed3\u5e93\u91cc 99.999% \u7684\u201c\u70b9\u201d\u90fd\u662f\u6beb\u65e0\u610f\u4e49\u7684\u201c\u7535\u89c6\u96ea\u82b1\u70b9\u201d\uff08\u7eaf\u566a\u58f0\uff09\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u201c\u771f\u5b9e\u56fe\u50cf\u201d\u7684\u201c\u5bb6\u201d \uff08\u6d41\u5f62 &#8211; Manifold\uff09\uff1a<\/strong> \u6240\u6709\u201c\u771f\u5b9e\u4e14\u6709\u610f\u4e49\u201d\u7684\u56fe\u50cf\uff08\u5168\u4e16\u754c\u7684\u732b\u3001\u72d7\u3001\u98ce\u666f\uff09\u5728\u8fd9\u4e2a\u201c\u50cf\u7d20\u4ed3\u5e93\u201d\u4e2d\u5e76\u975e\u968f\u673a\u6563\u843d\uff0c\u800c\u662f<strong>\u7d27\u5bc6\u5730\u805a\u96c6\u5728\u4e00\u4e2a\u7279\u5b9a\u533a\u57df<\/strong>\uff0c\u5f62\u6210\u4e00\u4e2a\u6781\u5176\u590d\u6742\u7684\u7ed3\u6784\u5316\u201c\u5f62\u72b6\u201d\u3002\u8fd9\u4e2a\u201c\u5f62\u72b6\u201d\u5728\u6570\u5b66\u4e0a\u88ab\u79f0\u4e3a<strong>\u201c\u6d41\u5f62\u201d\uff08Manifold\uff09<\/strong>\u3002\n<ul class=\"wp-block-list\">\n<li><strong>\u7b80\u5355\u6765\u8bf4\uff1a<\/strong> \u201c\u6d41\u5f62\u201d\u5c31\u662f\u6240\u6709\u201c\u597d\u770b\u56fe\u7247\u201d\u7684\u201c\u5bb6\u201d\u3002\u5728\u201c\u5bb6\u201d\u4e4b\u5916\uff0c\u5c31\u662f\u201c\u566a\u58f0\u201d\u7684\u201c\u8352\u91ce\u201d\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u524d\u5411\u8fc7\u7a0b\u7684\u610f\u4e49\uff1a<\/strong> \u201c\u52a0\u566a\u201d\u7684\u8fc7\u7a0b\uff0c\u5c31\u50cf\u4ece\u201c\u5bb6\u201d\uff08\u6d41\u5f62\uff09\u91cc\u4efb\u610f\u4e00\u4e2a\u70b9\uff08\u4f8b\u5982\u4e00\u5f20\u732b\u7684\u7167\u7247\uff09\u51fa\u53d1\uff0c\u7136\u540e\u901a\u8fc7\u201c\u968f\u673a\u6e38\u8d70\u201d\uff0c\u4e00\u6b65\u6b65\u5c06\u5b83\u8e22\u5411\u201c\u8352\u91ce\u201d\uff08\u566a\u58f0\u7a7a\u95f4\uff09\uff0c\u76f4\u5230\u5b83\u5f7b\u5e95\u8ff7\u5931\u3002<\/li>\n\n\n\n<li><strong>\u53cd\u5411\u8fc7\u7a0b\u7684\u76ee\u6807 \uff08\u5411\u91cf\u573a &#8211; Vector Field\uff09\uff1a<\/strong> AI \u7684\u8bad\u7ec3\u76ee\u6807\uff0c\u5c31\u662f\u521b\u9020\u4e00\u5f20<strong>\u8986\u76d6\u6574\u4e2a\u201c\u4ed3\u5e93\u201d\uff08\u5305\u62ec\u8352\u91ce\uff09\u7684\u201c\u56de\u5bb6\u5730\u56fe\u201d<\/strong>\u3002\u8fd9\u5f20\u201c\u5730\u56fe\u201d\u5728\u6570\u5b66\u4e0a\u88ab\u79f0\u4e3a<strong>\u201c\u5411\u91cf\u573a\u201d\uff08Vector Field\uff09<\/strong>\u3002\n<ul class=\"wp-block-list\">\n<li><strong>\u7b80\u5355\u6765\u8bf4\uff1a<\/strong> \u8fd9\u5f20\u201c\u5730\u56fe\u201d\u4e0a\u5e03\u6ee1\u4e86\u65e0\u6570\u7684\u201c\u7bad\u5934\u201d\uff08\u5411\u91cf\uff09\u3002\u65e0\u8bba\u4f60\u8eab\u5904\u201c\u8352\u91ce\u201d\u4e2d\u7684\u54ea\u4e2a\u4f4d\u7f6e\uff08\u4f8b\u5982\u4e00\u5f20 90% \u566a\u58f0\u7684\u56fe\uff09\uff0c\u8fd9\u4e2a\u201c\u5730\u56fe\u201d\u603b\u4f1a\u4e3a\u4f60\u63d0\u4f9b\u4e00\u4e2a\u201c\u7bad\u5934\u201d\uff0c\u544a\u8bc9\u4f60\u201c\u56de\u5bb6\uff08\u6d41\u5f62\uff09\u7684\u6700\u8fd1\u8def\u5f84\u8be5\u5f80\u54ea\u8d70\u201d\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>\u5f53\u6211\u4eec\u547d\u4ee4 AI\u201c\u751f\u6210\u4e00\u5f20\u65b0\u56fe\u201d\u65f6\uff0c\u6574\u4e2a\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6211\u4eec\u5148\u628a AI \u201c\u6254\u201d\u5230\u201c\u8352\u91ce\u201d\u4e2d\u7684\u4e00\u4e2a<strong>\u968f\u673a\u4f4d\u7f6e<\/strong>\uff08\u5373\u751f\u6210\u4e00\u5f20\u7eaf\u566a\u58f0\u56fe\uff09\u3002<\/li>\n\n\n\n<li>AI \u6253\u5f00\u5b83\u7684\u201c\u56de\u5bb6\u5730\u56fe\u201d\uff08\u5411\u91cf\u573a\uff09\uff0c\u67e5\u770b\u5f53\u524d\u4f4d\u7f6e\u7684\u201c\u7bad\u5934\u201d\u6307\u793a\u3002<\/li>\n\n\n\n<li>AI \u987a\u7740\u201c\u7bad\u5934\u201d<strong>\u8d70\u4e00\u5c0f\u6b65<\/strong>\uff08\u5373\u6267\u884c\u4e00\u6b21\u53bb\u566a\uff09\u3002<\/li>\n\n\n\n<li>\u5b83\u4f1a\u91cd\u590d\u8fd9\u4e2a\u8fc7\u7a0b\u51e0\u5341\u6b21\uff08\u5373\u91c7\u6837\u6b65\u6570\uff09\uff0c\u76f4\u5230\u201c\u5730\u56fe\u201d\u6307\u5f15\u5b83\u4e00\u6b65\u6b65\u201c\u8d70\u56de\u201d\u4e86\u201c\u5bb6\u201d\uff08\u6d41\u5f62\uff09\u7684\u8fb9\u754c\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u5b83\u201c\u964d\u843d\u201d\u5728\u201c\u5bb6\u201d\u4e0a\u7684\u90a3\u4e2a\u70b9\uff0c\u5c31\u662f\u4e00\u5f20\u5168\u65b0\u7684\u3001\u6709\u610f\u4e49\u7684\u3001\u4ece\u566a\u58f0\u4e2d\u201c\u5bfc\u822a\u201d\u56de\u6765\u7684\u201c\u771f\u5b9e\u56fe\u50cf\u201d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"610\" src=\"https:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-5-1024x610.png\" alt=\"\" class=\"wp-image-132\" style=\"box-shadow:none\" srcset=\"http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-5-1024x610.png 1024w, http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-5-300x179.png 300w, http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-5-768x457.png 768w, http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-5-1536x914.png 1536w, http:\/\/www.xiewuyi.com\/wp-content\/uploads\/2025\/11\/image-5-2048x1219.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u56fe\u7247\u6765\u6e90\uff1a<a href=\"https:\/\/www.youtube.com\/watch?v=iv-5mZ_9CPY\" target=\"_blank\" rel=\"noreferrer noopener\">\u6765\u6e90\u94fe\u63a5<\/a><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e8c\u3001AI \u7ed8\u753b\u7684\u539f\u7406\uff1a\u4e00\u4e2a\u539f\u7406\uff0c\u4e24\u79cd\u5b9e\u73b0\u8def\u5f84<\/h3>\n\n\n\n<p>\u867d\u7136\u6838\u5fc3\u601d\u60f3\u90fd\u662f\u201c\u53bb\u566a\u201d\uff0c\u4f46\u4e3b\u6d41\u6a21\u578b\u5728\u201c\u5982\u4f55\u5b9e\u73b0\u53bb\u566a\u201d\u8fd9\u4e00\u5173\u952e\u95ee\u9898\u4e0a\uff0c\u9009\u62e9\u4e86\u4e0d\u540c\u7684\u6280\u672f\u8def\u5f84\uff0c\u8fd9\u76f4\u63a5\u51b3\u5b9a\u4e86\u5b83\u4eec\u7684\u6027\u80fd\u548c\u53ef\u8bbf\u95ee\u6027\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u8def\u5f84\u4e00\uff1a\u201c\u6f5c\u7a7a\u95f4\u201d\u6d3e\uff08Stable Diffusion &amp; Midjourney\uff09<\/h4>\n\n\n\n<p>\u8fd9\u662f\u76ee\u524d\u6700\u4e3b\u6d41\u4e14\u6700\u9ad8\u6548\u7684\u5b9e\u73b0\uff0c\u88ab\u79f0\u4e3a<strong>\u6f5c\u7a7a\u95f4\u6269\u6563\u6a21\u578b \uff08Latent Diffusion Model, LDM\uff09<\/strong>\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6838\u5fc3\u6311\u6218\uff1a<\/strong> \u6269\u6563\u6a21\u578b\u7684\u6838\u5fc3\u6311\u6218\u662f\u8ba1\u7b97\u91cf\u3002\u4e00\u5f20 512&#215;512 \u7684\u5f69\u8272\u56fe\u7247\u6709\u8d85\u8fc7 78 \u4e07\u4e2a\u7ef4\u5ea6 \uff08dimensions\uff0c\u5373\u6bcf\u4e2a\u50cf\u7d20\u7684R\/G\/B\u989c\u8272\u503c\u90fd\u662f\u4e00\u4e2a\u53ef\u53d8\u7ef4\u5ea6\uff09\uff0c\u5728\u5982\u6b64\u591a\u7ef4\u5ea6\u7684\u201c\u50cf\u7d20\u7a7a\u95f4\u201d\u4e2d\u76f4\u63a5\u53bb\u566a\uff0c\u8ba1\u7b97\u6210\u672c\u6781\u5176\u9ad8\u6602\u3002<\/li>\n\n\n\n<li><strong>LDM \u89e3\u51b3\u65b9\u6848\uff1a<\/strong> LDM \u5de7\u5999\u5730\u5f15\u5165\u4e86\u4e00\u4e2a\u201c\u538b\u7f29\u201d\u6b65\u9aa4\u3002\u5b83\u4e0d\u76f4\u63a5\u5904\u7406\u50cf\u7d20\uff0c\u800c\u662f\u5728\u4e00\u4e2a\u88ab\u9ad8\u5ea6\u538b\u7f29\u7684\u3001\u66f4\u5c0f\u7684\u201c\u6f5c\u7a7a\u95f4\u201d \uff08Latent Space\uff0c\u4e00\u4e2a\u53ea\u5305\u542b\u6838\u5fc3\u201c\u6458\u8981\u201d\u4fe1\u606f\u7684\u538b\u7f29\u7a7a\u95f4\uff09\u4e2d\u5b8c\u6210\u6240\u6709\u53bb\u566a\u5de5\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>LDM \u7684\u8bad\u7ec3\u4e0e\u7ec4\u4ef6\uff1a<\/strong><\/p>\n\n\n\n<p>LDM \u67b6\u6784\u7684\u8bad\u7ec3\uff0c\u4f9d\u8d56\u4e8e\u5305\u542b\u4e86\u6570\u5341\u4ebf<strong>\u201c\u56fe\u50cf-\u6587\u672c\u201d\u914d\u5bf9<\/strong>\u7684\u5e9e\u5927\u6570\u636e\u96c6\uff08\u5982 LAION-5B\uff09\u3002\u6a21\u578b\u5728\u8bad\u7ec3\u4e2d\u5b66\u4e60\u7684\uff0c\u5c31\u662f\u201c\u56fe\u50cf\u5185\u5bb9\u201d\u4e0e\u201c\u6587\u672c\u63cf\u8ff0\u201d\u4e4b\u95f4\u7684\u5173\u8054\u3002\u8fd9\u5957\u67b6\u6784\u7684\u8bad\u7ec3\uff0c\u662f\u4f9d\u8d56\u591a\u4e2a<strong>\u201c\u9884\u8bad\u7ec3\u6a21\u578b\u201d<\/strong>\u534f\u540c\u5de5\u4f5c\u7684\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7ec4\u4ef6\u4e00\uff1aVAE \uff08\u53d8\u5206\u81ea\u7f16\u7801\u5668\uff09<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528\uff1a<\/strong> \u8fd9\u662f\u4e00\u4e2a<strong>\u72ec\u7acb\u9884\u8bad\u7ec3<\/strong>\u7684\u6a21\u578b\uff0c\u4e13\u804c\u8d1f\u8d23\u201c\u538b\u7f29\u201d\u548c\u201c\u89e3\u538b\u201d\u3002<\/li>\n\n\n\n<li><strong>\u7f16\u7801\u5668 \uff08Encoder\uff09\uff1a<\/strong> \u8d1f\u8d23\u5c06 512&#215;512 \u7684\u50cf\u7d20\u56fe\uff0c\u538b\u7f29\u6210 64&#215;64 \u7684\u6f5c\u7a7a\u95f4\u201c\u6458\u8981\u201d\u3002<\/li>\n\n\n\n<li><strong>\u89e3\u7801\u5668 \uff08Decoder\uff09\uff1a<\/strong> \u8d1f\u8d23\u5728\u751f\u6210\u56fe\u7247\u7684\u6240\u6709\u5de5\u4f5c\u5b8c\u6210\u540e\uff0c\u5c06 64&#215;64 \u7684\u201c\u6458\u8981\u201d\u89e3\u538b\uff0c\u8fd8\u539f\u6210 512&#215;512 \u7684\u9ad8\u6e05\u50cf\u7d20\u56fe\u3002<\/li>\n\n\n\n<li><strong>\u72b6\u6001\uff1a<\/strong> \u5728 LDM \u7684\u6838\u5fc3\u8bad\u7ec3\u4e2d\uff0cVAE <strong>\u662f\u51bb\u7ed3\u7684<\/strong>\uff0c\u53ea\u4f5c\u4e3a\u4e00\u4e2a\u9ad8\u6548\u7684\u201c\u8f6c\u6362\u5de5\u5177\u201d\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7ec4\u4ef6\u4e8c\uff1aCLIP \u6587\u672c\u7f16\u7801\u5668<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528\uff1a<\/strong> \u8fd9\u4e5f\u662f\u4e00\u4e2a\u72ec\u7acb\u9884\u8bad\u7ec3\u7684\u5e9e\u5927\u6a21\u578b\uff0c\u5b83\u672c\u8eab\u5c31\u662f\u5728\u201c\u56fe\u50cf-\u6587\u672c\u201d\u914d\u5bf9\u6570\u636e\u4e0a\u8bad\u7ec3\u7684\uff0c\u4e13\u804c\u8d1f\u8d23\u201c\u7ffb\u8bd1\u201d\u6587\u672c\u3002\u5b83\u5c06\u201c\u63d0\u793a\u8bcd\u201d\uff08Prompt\uff09\u2014\u2014\u65e0\u8bba\u8fd9\u4e2a\u8bcd\u662f\u6765\u81ea\u8bad\u7ec3\u96c6\u7684\u201c\u6807\u9898\u201d\uff0c\u8fd8\u662f\u6765\u81ea\u7528\u6237\u7684\u201c\u8f93\u5165\u201d\u2014\u2014\u90fd\u7ffb\u8bd1\u6210 AI \u80fd\u7406\u89e3\u7684\u201c\u6570\u5b66\u5411\u91cf\u201d\u3002<\/li>\n\n\n\n<li><strong>\u72b6\u6001\uff1a<\/strong> \u5728 LDM \u8bad\u7ec3\u4e2d\uff0cCLIP <strong>\u4e5f\u662f\u51bb\u7ed3\u7684<\/strong>\uff0c\u53ea\u4f5c\u4e3a\u201c\u6307\u4ee4\u201d\u7684\u6765\u6e90\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7ec4\u4ef6\u4e09 \uff08\u6838\u5fc3\u9884\u8bad\u7ec3\u6a21\u578b\uff09\uff1aU-Net \uff08\u566a\u58f0\u9884\u6d4b\u5668<\/strong>\uff09\n<ul class=\"wp-block-list\">\n<li><strong>\u8fd9\u624d\u662f\u6269\u6563\u6a21\u578b\u771f\u6b63\u201c\u8bad\u7ec3\u201d\u7684\u6838\u5fc3\u3002<\/strong> \u5b83\u7684\u8bad\u7ec3<strong>\u5c31\u662f\u6211\u4eec\u4e0a\u6587\u63d0\u5230\u7684\u201c\u53cd\u5411\u8fc7\u7a0b\u201d<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u8bad\u7ec3\u6b65\u9aa4\u5982\u4e0b\uff1a<\/strong>\n<ol class=\"wp-block-list\">\n<li>\u53d6\u4e00\u5f20\u56fe\uff0c\u7528<strong> VAE<\/strong> \u7f16\u7801\u5668\u5c06\u5176\u538b\u7f29\u4e3a 64&#215;64 \u7684\u201c\u6f5c\u7a7a\u95f4\u56fe\u201d\u3002<\/li>\n\n\n\n<li>\u53d6\u8be5\u56fe\u5728\u6570\u636e\u96c6\u4e2d<strong>\u5bf9\u5e94\u7684\u201c\u6807\u9898\u201d<\/strong> \uff08Caption\uff09\uff0c\u7528<strong> CLIP<\/strong> \u7f16\u7801\u5668\u5c06\u5176\u8f6c\u4e3a\u201c\u6587\u672c\u5411\u91cf\u201d\u3002<\/li>\n\n\n\n<li>\u6267\u884c\u201c\u524d\u5411\u8fc7\u7a0b\u201d\uff1a\u5728\u201c\u6f5c\u7a7a\u95f4\u56fe\u201d\u4e0a\u6dfb\u52a0\u968f\u673a\u201c\u566a\u58f0\u201d\u3002<\/li>\n\n\n\n<li><strong>\u4efb\u52a1\uff1a<\/strong> \u6267\u884c\u201c\u53cd\u5411\u8fc7\u7a0b\u201d\uff0c\u547d\u4ee4 U-Net\uff08\u4e00\u79cd\u56e0\u5176\u7f51\u7edc\u7ed3\u6784\u5f62\u4f3c\u5b57\u6bcd&#8217;U&#8217;\u800c\u5f97\u540d\u7684\u795e\u7ecf\u7f51\u7edc\u6a21\u578b\uff09\u201c\u89c2\u5bdf\u201d\u8fd9\u4e2a\u201c\u52a0\u566a\u540e\u7684\u6f5c\u7a7a\u95f4\u56fe\u201d\u3001\u201c\u65f6\u95f4\u6b65 <code>t<\/code>\u201d \u548c\u201c\u6587\u672c\u5411\u91cf\u201d\u3002<\/li>\n\n\n\n<li><strong>\u8bad\u7ec3\u76ee\u6807\uff1a<\/strong> U-Net \u5fc5\u987b\u9884\u6d4b\u51fa\u201c\u524d\u5411\u8fc7\u7a0b\u201d\u6bcf\u4e00\u6b65\u4e2d\u6dfb\u52a0\u7684\u201c\u566a\u58f0\u201d\u5230\u5e95\u662f\u4ec0\u4e48\u3002\n<ul class=\"wp-block-list\">\n<li>\uff08<strong>\u6ce8\uff1a<\/strong> \u5728\u5b9e\u9645\u8bad\u7ec3\u4e2d\uff0c\u7cfb\u7edf\u4f1a\u5728\u6bcf\u6b21\u5faa\u73af<strong>\u968f\u673a<\/strong>\u6311\u9009\u4e00\u4e2a\u65f6\u95f4\u6b65 <code>t<\/code>\uff08\u5982 <code>t=250<\/code>\uff09\uff0cU-Net \u7684\u76ee\u6807\u662f\u88ab\u8bad\u7ec3\u6210<strong>\u5728\u4efb\u610f\u4e00\u4e2a <code>t<\/code> \u65f6\u523b<\/strong>\u90fd\u80fd\u51c6\u786e\u9884\u6d4b\u51fa\u5bf9\u5e94\u7684\u566a\u58f0\u3002\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><strong>\u7ed3\u8bba\uff1a<\/strong> U-Net \u56e0\u6b64\u88ab\u8bad\u7ec3\u6210\u4e00\u4e2a\u5f3a\u5927\u7684\u3001<strong>\u4ee5\u201c\u6587\u672c\u201d\u548c\u201c\u65f6\u95f4\u201d\u4e3a\u6761\u4ef6<\/strong>\u7684\u566a\u58f0\u9884\u6d4b\u5668\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p><strong>\u4e32\u8054\u5de5\u4f5c\u6d41\u7a0b\uff1a<\/strong> \u5f53 LDM \u5728\u8fdb\u884c\u6587\u751f\u56fe\u7684\u5b9e\u9645\u5de5\u4f5c\u65f6\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7528\u6237\u8f93\u5165\u201c\u63d0\u793a\u8bcd\u201d\u548c\u201c\u79cd\u5b50\u201d\uff08Seed\uff0c\u4e00\u4e2a\u7cfb\u7edf\u968f\u673a\u751f\u6210\u7684\u521d\u59cb\u566a\u58f0\u56fe\u7684\u7f16\u53f7\uff0c\u201c\u7ae0\u8282\u56db\u201d\u4f1a\u505a\u8be6\u7ec6\u8bf4\u660e\uff09\u3002<\/li>\n\n\n\n<li><strong>CLIP<\/strong> \u7acb\u5373\u5c06\u201c\u63d0\u793a\u8bcd\u201d\u7ffb\u8bd1\u6210\u201c\u6587\u672c\u5411\u91cf\u201d\u3002<\/li>\n\n\n\n<li>\u7cfb\u7edf\u6839\u636e\u201c\u79cd\u5b50\u201d\u5728<strong>\u6f5c\u7a7a\u95f4<\/strong>\u4e2d\u751f\u6210\u4e00\u5f20 64&#215;64 \u7684<strong>\u7eaf\u968f\u673a\u566a\u58f0\u56fe<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u8bad\u7ec3\u597d\u7684 U-Net<\/strong> \u5f00\u59cb\u8fed\u4ee3\uff1a\u5728\u6bcf\u4e00\u6b65\uff0c\u5b83\u90fd\u540c\u65f6\u201c\u770b\u201d\u7740 1\uff09\u6f5c\u7a7a\u95f4\u566a\u58f0\u56fe\u30012\uff09\u6587\u672c\u5411\u91cf\u30013\uff09\u5f53\u524d\u65f6\u95f4 <code>t<\/code>\uff0c\u7136\u540e\u9884\u6d4b\u51fa\u566a\u58f0\uff0c\u7136\u540e\u5728\u5f53\u524d\u7684\u6f5c\u7a7a\u95f4\u56fe\u50cf\u57fa\u7840\u4e0a\u5c06\u5f53\u524d\u6b65\u9884\u6d4b\u7684\u566a\u58f0\u51cf\u53bb\u3002<\/li>\n\n\n\n<li>\u5faa\u73af\u7ed3\u675f\u540e\uff0cU-Net \u8f93\u51fa\u4e00\u5f20 64&#215;64 \u7684\u201c\u53bb\u566a\u540e\u201d\u7684\u6f5c\u7a7a\u95f4\u56fe\u3002<\/li>\n\n\n\n<li><strong>VAE<\/strong> \u89e3\u7801\u5668\u5c06\u8fd9\u5f20\u6f5c\u7a7a\u95f4\u56fe\u201c\u89e3\u538b\u201d\u8fd8\u539f\u6210 512&#215;512 \u7684\u6700\u7ec8\u50cf\u7d20\u56fe\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u8def\u5f84\u4e8c\uff1a\u201c\u50cf\u7d20\u7a7a\u95f4\u201d\u6d3e\uff08DALL-E 3\uff09<\/h4>\n\n\n\n<p>DALL-E \u7cfb\u5217\u91c7\u7528\u4e86\u66f4\u201c\u4e0d\u8ba1\u6210\u672c\u201d\u7684\u8def\u5f84\uff0c\u5b83\u4eec\u9009\u62e9<strong>\u5728\u201c\u50cf\u7d20\u7a7a\u95f4\u201d\uff08Pixel Space\uff0c\u5373\u539f\u59cb\u7684\u3001\u672a\u538b\u7f29\u7684\u50cf\u7d20\u7f51\u683c\uff09\u4e2d\u76f4\u63a5\u53bb\u566a<\/strong>\u3002<\/p>\n\n\n\n<p><strong>DALL-E 3 \u7684\u7ec4\u4ef6\u4e0e\u8bad\u7ec3\uff1a<\/strong><\/p>\n\n\n\n<p>DALL-E 3 \u7684\u539f\u7406\u4e0e LDM \u7c7b\u4f3c\uff0c\u4f46\u4e5f<strong>\u4f9d\u8d56 U-Net \u67b6\u6784\u4f5c\u4e3a\u53bb\u566a\u6838\u5fc3<\/strong>\u3002\u5176\u6839\u672c\u533a\u522b\u5728\u4e8e\u201c\u5de5\u4f5c\u7a7a\u95f4\u201d\u548c\u201c\u7ffb\u8bd1\u5b98\u201d\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7ec4\u4ef6\u4e00\uff08\u8d85\u7ea7\u7ffb\u8bd1\u5b98\uff09\uff1aGPT-4<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528\uff1a<\/strong> DALL-E 3 \u7684\u201c\u6740\u624b\u950f\u201d\u3002\u5b83\u7528 GPT-4 \u66ff\u6362\u4e86\u6807\u51c6\u7684 CLIP \u7f16\u7801\u5668\u3002<\/li>\n\n\n\n<li><strong>\u5de5\u4f5c\u6d41\uff1a<\/strong> \u5f53\u4f60\u8f93\u5165\u4e00\u53e5\u7b80\u5355\u7684\u63d0\u793a\u8bcd\uff08\u5982\u201c\u6234\u5e3d\u5b50\u7684\u72d7\u201d\uff09\u65f6\uff0cGPT-4 \u4f1a\u81ea\u52a8\u5728\u540e\u53f0\u5c06\u5176<strong>\u201c\u91cd\u5199\u201d\u548c\u201c\u4e30\u5bcc\u201d<\/strong>\u6210\u4e00\u6bb5\u5305\u542b\u6d77\u91cf\u7ec6\u8282\u7684\u3001\u6781\u5176\u8be6\u5c3d\u7684\u63cf\u8ff0\u6027\u6bb5\u843d\uff0c\u7136\u540e\u518d\u4ea4\u7ed9\u201c\u753b\u5bb6\u201d\u3002<\/li>\n\n\n\n<li><strong>\u8bad\u7ec3\uff1a<\/strong> DALL-E 3 \u7684\u201c\u753b\u5bb6\u201d\u6a21\u578b\u88ab\u4e13\u95e8\u8bad\u7ec3\u7528\u6765\u201c\u9605\u8bfb\u201d GPT-4 \u8f93\u51fa\u7684\u8fd9\u79cd\u201c\u4e30\u5bcc\u63d0\u793a\u8bcd\u201d\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7ec4\u4ef6\u4e8c\uff08\u753b\u5bb6\uff09\uff1a\u50cf\u7d20\u7a7a\u95f4 U-Net<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528\uff1a<\/strong> \u8fd9\u5c31\u662f DALL-E 3 \u7684\u201c\u566a\u58f0\u9884\u6d4b\u5668\u201d\uff0c\u5176\u67b6\u6784\u4e5f\u57fa\u4e8e U-Net\u3002<\/li>\n\n\n\n<li><strong>\u8bad\u7ec3\uff1a<\/strong> \u5b83\u7684\u8bad\u7ec3\u4e0e LDM \u7c7b\u4f3c\uff0c\u4f46\u6709\u4e00\u4e2a\u5173\u952e\u4e0d\u540c\uff1a\u5b83<strong>\u4e0d\u9700\u8981 VAE<\/strong>\u3002\u5b83\u7684\u8bad\u7ec3\u4efb\u52a1\u662f\uff1a\u7ed9\u5b9a\u201cGPT-4 \u4e30\u5bcc\u540e\u7684\u63d0\u793a\u8bcd\u201d\uff0c\u8bf7\u76f4\u63a5\u5728<strong>\u50cf\u7d20\u7a7a\u95f4<\/strong>\uff08\u6216\u4e00\u4e2a\u538b\u7f29\u6bd4\u8f83\u5c0f\u7684\u7a7a\u95f4\uff09\u4e2d\u201c\u53cd\u5411\u53bb\u566a\u201d\uff0c\u8fd8\u539f\u51fa\u539f\u59cb\u56fe\u50cf\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p><strong>\u4e32\u8054\u5de5\u4f5c\u6d41\u7a0b\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7528\u6237\u8f93\u5165\u201c\u63d0\u793a\u8bcd\u201d\u3002<\/li>\n\n\n\n<li><strong>GPT-4<\/strong> \u4ecb\u5165\uff0c\u5c06\u63d0\u793a\u8bcd\u201c\u4e30\u5bcc\u201d\u6210\u4e00\u6bb5\u8be6\u7ec6\u63cf\u8ff0\u3002<\/li>\n\n\n\n<li><strong>U-Net \u6a21\u578b<\/strong>\u4ecb\u5165\uff0c\u4ee5\u8fd9\u6bb5\u201c\u4e30\u5bcc\u63cf\u8ff0\u201d\u4e3a\u6838\u5fc3\u5f15\u5bfc\uff0c\u5728<strong>\u50cf\u7d20\u7a7a\u95f4<\/strong>\u4e2d\u4ece\u7eaf\u566a\u58f0\u5f00\u59cb\uff0c\u4e00\u6b65\u6b65\u53bb\u566a\uff0c\u6700\u7ec8\u751f\u6210\u56fe\u50cf\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-center\" data-align=\"center\">\u6a21\u578b<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u5de5\u4f5c\u7a7a\u95f4<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u6838\u5fc3\u4f18\u52bf<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u8bbf\u95ee\u6027<\/th><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Stable Diffusion<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u6f5c\u7a7a\u95f4<\/strong><br><strong> (Latent Space)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5f00\u6e90\u3001\u9ad8\u6548\u3001\u53ef\u63a7\u6027\u5f3a<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u53ef\u672c\u5730\u90e8\u7f72<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Midjourney<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u6f5c\u7a7a\u95f4 <\/strong><br><strong>(Latent Space)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u95ed\u6e90\u3001\u5ba1\u7f8e\u8c03\u4f18\u6781\u4f73<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u95ed\u6e90\u670d\u52a1<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>DALL-E 3<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u50cf\u7d20\u7a7a\u95f4<\/strong><br><strong> (Pixel Space)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">GPT-4 \u9a71\u52a8\u7684\u8d85\u5f3a\u8bed\u4e49\u7406\u89e3<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u95ed\u6e90\u670d\u52a1\uff08API\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e09\u3001AI\u7ed8\u753b\u6838\u5fc3\u5e94\u7528\uff1a\u4ece\u201c\u6587\u751f\u56fe\u201d\u5230\u201c\u56fe\u751f\u56fe\u201d<\/h3>\n\n\n\n<p>\u57fa\u4e8e\u4e0a\u8ff0\u539f\u7406\uff0cAI \u7ed8\u753b\u5de5\u5177\u884d\u751f\u51fa\u4e86\u4e24\u5927\u6838\u5fc3\u5e94\u7528\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u6587\u751f\u56fe\uff08Text-to-Image\uff09<\/h4>\n\n\n\n<p>\u8fd9\u662f\u6700\u57fa\u7840\u7684\u5de5\u4f5c\u6d41\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8f93\u5165\uff1a<\/strong> \u6587\u672c\u63d0\u793a\u8bcd\uff08Prompt\uff09+ \u79cd\u5b50\u3002<\/li>\n\n\n\n<li><strong>\u51c6\u5907\uff1a<\/strong>\n<ul class=\"wp-block-list\">\n<li>CLIP \u5c06\u63d0\u793a\u8bcd\u7f16\u7801\u4e3a\u201c\u6587\u672c\u5411\u91cf\u201d\u3002<\/li>\n\n\n\n<li>\u7cfb\u7edf\u6839\u636e\u201c\u79cd\u5b50\u201d\u5728<strong>\u6f5c\u7a7a\u95f4<\/strong>\u4e2d\u751f\u6210\u4e00\u5f20 64&#215;64 \u7684<strong>\u7eaf\u968f\u673a\u566a\u58f0\u56fe<\/strong>\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u8fed\u4ee3\u53bb\u566a\uff08\u5373\u5faa\u73af\u6267\u884c\u53bb\u566a\u6b65\u9aa4\uff09\uff1a<\/strong>\n<ul class=\"wp-block-list\">\n<li>U-Net \u5728\u201c\u91c7\u6837\u6b65\u6570\u201d\uff08Steps\uff09\u8bbe\u5b9a\u7684\u6b21\u6570\u5185\u5faa\u73af\u6267\u884c\u3002<\/li>\n\n\n\n<li>\u5728\u6bcf\u4e00\u6b65\uff0cU-Net \u90fd\u4f1a\u5728\u201c\u6587\u672c\u5411\u91cf\u201d\u7684\u5f15\u5bfc\u4e0b\uff0c\u9884\u6d4b\u5f53\u524d\u6f5c\u7a7a\u95f4\u56fe\u4e2d\u7684\u201c\u566a\u58f0\u201d\u3002<\/li>\n\n\n\n<li>\u7cfb\u7edf\u4ece\u56fe\u4e2d\u51cf\u53bb\u8be5\u566a\u58f0\uff0c\u4f7f\u6f5c\u7a7a\u95f4\u56fe\u53d8\u5f97\u66f4\u6e05\u6670\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u8f93\u51fa\uff1a<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5faa\u73af\u7ed3\u675f\u540e\uff0c\u5f97\u5230\u4e00\u5f20 64&#215;64 \u7684\u201c\u53bb\u566a\u540e\u201d\u7684\u6f5c\u7a7a\u95f4\u56fe\u3002<\/li>\n\n\n\n<li>VAE \u89e3\u7801\u5668\u5c06\u5176\u653e\u5927\uff0c\u8fd8\u539f\u6210 512&#215;512 \u7684\u6700\u7ec8\u50cf\u7d20\u56fe\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u56fe\u751f\u56fe\uff08Image-to-Image\uff09<\/h4>\n\n\n\n<p>\u56fe\u751f\u56fe\u7684\u6d41\u7a0b\u4e0e\u6587\u751f\u56fe 99% \u76f8\u540c\uff0c\u552f\u4e00\u7684\u533a\u522b\u5728\u4e8e<strong>\u201c\u8d77\u70b9\u201d<\/strong>\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8f93\u5165\uff1a<\/strong> \u6587\u672c\u63d0\u793a\u8bcd + \u4e00\u5f20<strong>\u8f93\u5165\u56fe\u7247<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u51c6\u5907\uff1a<\/strong>\n<ul class=\"wp-block-list\">\n<li>CLIP \u5c06\u63d0\u793a\u8bcd\u7f16\u7801\u4e3a\u201c\u6587\u672c\u5411\u91cf\u201d\u3002<\/li>\n\n\n\n<li>VAE \u7f16\u7801\u5668\u5c06\u4f60\u7684\u201c\u8f93\u5165\u56fe\u7247\u201d\u538b\u7f29\u6210 64&#215;64 \u7684\u6f5c\u7a7a\u95f4\u56fe\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u201c\u7834\u574f\u201d\uff08\u5173\u952e\u6b65\u9aa4\uff09\uff1a<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u7cfb\u7edf<strong>\u6545\u610f<\/strong>\u5411\u8fd9\u5f20 64&#215;64 \u7684\u6f5c\u7a7a\u95f4\u56fe\u4e0a\u6dfb\u52a0\u4e00\u5b9a\u91cf\u7684\u566a\u58f0\u3002<\/li>\n\n\n\n<li>\u6dfb\u52a0\u201c\u591a\u5c11\u201d\u566a\u58f0\uff0c\u7531\u201c\u53bb\u566a\u5f3a\u5ea6\u201d\uff08Denoising Strength\uff0c\u201c\u7ae0\u8282\u56db\u201d\u4f1a\u505a\u8be6\u7ec6\u8bf4\u660e\uff09\u53c2\u6570\u63a7\u5236\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u8fed\u4ee3\u53bb\u566a\uff1a<\/strong> U-Net \u4ece\u8fd9\u5f20\u201c\u534a\u566a\u58f0\u56fe\u201d\u5f00\u59cb\uff08\u6587\u751f\u56fe\u662f\u4ece\u4e00\u5f20\u7531\u201c\u79cd\u5b50\u201d\u7eaf\u968f\u673a\u751f\u6210\u7684\u566a\u58f0\u56fe\u5f00\u59cb\u53bb\u566a\uff0c\u8fd9\u5c31\u662f\u6838\u5fc3\u533a\u522b\uff09\uff0c\u5728<strong>\u65b0\u63d0\u793a\u8bcd<\/strong>\u7684\u5f15\u5bfc\u4e0b\uff0c\u6267\u884c\u53bb\u566a\u5faa\u73af\u3002<\/li>\n\n\n\n<li><strong>\u8f93\u51fa\uff1a<\/strong> VAE \u89e3\u7801\u5668\u5c06\u6700\u7ec8\u7684\u6f5c\u7a7a\u95f4\u56fe\u8fd8\u539f\u6210\u50cf\u7d20\u56fe\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u6837\u65e2\u4fdd\u7559\u4e86\u53c2\u8003\u56fe\u7684\u90e8\u5206\u4fe1\u606f\uff0c\u53c8\u671d\u7740\u63d0\u793a\u8bcd\u6307\u5f15\u7684\u65b9\u5411\u751f\u6210\u4e86\u4e00\u5f20\u5168\u65b0\u7684\u56fe\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u56db\u3001\u751f\u56fe\u65f6\uff0c\u4e94\u4e2a\u4eba\u4e3a\u53ef\u63a7\u7684\u5173\u952e\u63a7\u5236\u53c2\u6570<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. CFG Scale\uff08\u5f15\u5bfc\u5f3a\u5ea6\uff09<\/h4>\n\n\n\n<p>\u8fd9\u662f\u5b9e\u73b0\u201c\u6587\u751f\u56fe\u201d\u6700\u5173\u952e\u7684\u6280\u5de7\u4e4b\u4e00\uff0c\u5168\u79f0\u4e3a\u201c\u65e0\u5206\u7c7b\u5668\u5f15\u5bfc\u201d\uff08Classifier-Free Guidance\uff09\u3002\u5b83\u89e3\u51b3\u4e86\u201cAI \u5982\u4f55\u624d\u80fd\u4e25\u683c\u542c\u4ece\u63d0\u793a\u8bcd\u201d\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u5728 U-Net \u53bb\u566a\u7684\u6bcf\u4e00\u6b65\uff0c\u6a21\u578b\u5b9e\u9645\u4e0a\u4f1a<strong>\u8ba1\u7b97\u4e24\u6b21<\/strong>\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u65e0\u6761\u4ef6\u9884\u6d4b\uff08Unconditional\uff09\uff1a<\/strong> \u5728<strong>\u5ffd\u7565<\/strong>\u63d0\u793a\u8bcd\u7684\u60c5\u51b5\u4e0b\uff0c\u9884\u6d4b\u201c\u566a\u58f0\u201d\u3002\uff08\u8fd9\u4ee3\u8868\u4e86\u6a21\u578b\u773c\u4e2d\u201c\u4e00\u5f20\u666e\u901a\u3001\u597d\u770b\u7684\u56fe\u201d\u5e94\u8be5\u662f\u4ec0\u4e48\u6837\uff09<\/li>\n\n\n\n<li><strong>\u6709\u6761\u4ef6\u9884\u6d4b\uff08Conditional\uff09\uff1a<\/strong> \u5728<strong>\u9075\u5faa<\/strong>\u63d0\u793a\u8bcd\u7684\u60c5\u51b5\u4e0b\uff0c\u9884\u6d4b\u201c\u566a\u58f0\u201d\u3002<\/li>\n<\/ol>\n\n\n\n<p>CFG \u7684\u9b54\u6cd5\u5728\u4e8e\uff0c\u5b83\u4e0d\u505a\u4e8c\u9009\u4e00\uff0c\u800c\u662f\u8fdb\u884c\u4e00\u6b21\u7cbe\u5999\u7684\u201c\u5411\u91cf\u8ba1\u7b97\u201d\uff08\u5373\u5728\u6570\u5b66\u7a7a\u95f4\u4e2d\u5bf9\u201c\u65b9\u5411\u201d\u548c\u201c\u5f3a\u5ea6\u201d\u8fdb\u884c\u52a0\u51cf\uff09\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u6211\u4eec\u7ae0\u8282\u4e00\u4e2d\u7684\u201c\u56de\u5bb6\u5730\u56fe\u201d\u6bd4\u55bb\u4e2d\uff0c\n<ul class=\"wp-block-list\">\n<li><strong>\u201c\u65e0\u6761\u4ef6\u201d\u7bad\u5934<\/strong> \u6307\u5411\u201c\u5bb6\u201d\uff08\u6d41\u5f62\uff09\u7684<strong>\u5e73\u5747\u4e2d\u5fc3<\/strong>\uff08\u4e00\u4e2a\u6240\u6709\u56fe\u50cf\u7684\u6a21\u7cca\u5e73\u5747\u4f53\uff09\u3002<\/li>\n\n\n\n<li><strong>\u201c\u6709\u6761\u4ef6\u201d\u7bad\u5934<\/strong> \u6307\u5411\u201c\u5bb6\u201d\u4e2d\u4f60\u60f3\u8981\u7684<strong>\u7279\u5b9a\u533a\u57df<\/strong>\uff08\u4f8b\u5982\u201c\u732b\u201d\u6240\u5728\u7684\u533a\u57df\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>CFG Scale \u8fd9\u4e2a\u53c2\u6570\uff0c\u63a7\u5236\u7684\u5c31\u662f\u4ee5\u4e0b\u516c\u5f0f\u4e2d\u7684 <code>Scale<\/code> \u503c\uff1a<\/p>\n\n\n\n<p><code>\u6700\u7ec8\u7684\u53bb\u566a\u65b9\u5411 = [\u65e0\u6761\u4ef6] + ([\u6709\u6761\u4ef6] - [\u65e0\u6761\u4ef6]) * Scale<\/code><\/p>\n\n\n\n<p>\u8fd9\u4e2a <code>([\u6709\u6761\u4ef6] - [\u65e0\u6761\u4ef6])<\/code> \u7684\u5dee\u503c\uff0c\u5c31\u662f\u90a3\u4e2a\u7eaf\u7cb9\u7684\u3001\u6307\u5411\u201c\u732b\u201d\u8fd9\u4e2a<strong>\u201c\u6982\u5ff5\u672c\u8eab\u201d\u7684\u5411\u91cf\u3002\u4f60\u8bbe\u7f6e\u7684 <code>Scale<\/code> \u503c\uff0c\u5c31\u662f\u5728\u653e\u5927\u8fd9\u4e2a\u201c\u6982\u5ff5\u201d\u7684\u5f3a\u5ea6<\/strong>\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f4e CFG\uff08\u5982 3\uff09\uff1a<\/strong> AI \u66f4\u6709\u201c\u521b\u610f\u201d\uff0c\u81ea\u7531\u53d1\u6325\u7a7a\u95f4\u5927\uff0c\u4f46\u53ef\u80fd\u4e0d\u592a\u201c\u542c\u8bdd\u201d\u3002<\/li>\n\n\n\n<li><strong>\u9ad8 CFG\uff08\u5982 12\uff09\uff1a<\/strong> AI \u4f1a\u66f4\u201c\u4e25\u683c\u201d\u5730\u9075\u5faa\u4f60\u7684\u63d0\u793a\u8bcd\uff08\u6982\u5ff5\u5f3a\u5ea6\u88ab\u653e\u5927\uff09\uff0c\u4f46\u8fc7\u9ad8\u53ef\u80fd\u5bfc\u81f4\u56fe\u50cf\u8272\u5f69\u8fc7\u5ea6\u9971\u548c\u6216\u5931\u771f\uff08\u7528\u529b\u8fc7\u731b\uff09\u3002<\/li>\n\n\n\n<li><strong>\u9ed8\u8ba4\u503c\uff08\u5982 7\uff09\uff1a<\/strong> \u901a\u5e38\u662f\u201c\u521b\u610f\u201d\u4e0e\u201c\u9075\u5faa\u201d\u7684\u6700\u4f73\u5e73\u8861\u70b9\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2. Denoising Strength\uff08\u53bb\u566a\u5f3a\u5ea6\uff09<\/h4>\n\n\n\n<p>\u8fd9\u662f<strong>\u56fe\u751f\u56fe\u7684\u7075\u9b42\u53c2\u6570<\/strong>\u3002\u5982\u201c\u7ae0\u8282\u4e09\u201d\u6240\u8ff0\uff0c\u5b83\u63a7\u5236\u7740\u5bf9\u539f\u56fe\u7684\u201c\u7834\u574f\u201d\u7a0b\u5ea6\uff0c\u5373\u5728\u6b65\u9aa4 3 \u4e2d\u6dfb\u52a0\u4e86\u591a\u5c11\u566a\u58f0\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f4e\u5f3a\u5ea6\uff08\u5982 0.3\uff09\uff1a<\/strong> \u53ea\u6dfb\u52a0\u5c11\u91cf\u566a\u58f0\u3002AI \u4f1a\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u4fdd\u7559\u539f\u56fe\u7684\u6784\u56fe\u3001\u8272\u5f69\u548c\u7ed3\u6784\uff0c\u53ea\u6839\u636e\u65b0\u63d0\u793a\u8bcd\u505a\u5fae\u8c03\u3002<\/li>\n\n\n\n<li><strong>\u9ad8\u5f3a\u5ea6\uff08\u5982 0.8\uff09\uff1a<\/strong> \u6dfb\u52a0\u5927\u91cf\u566a\u58f0\uff0c\u539f\u56fe\u4fe1\u606f\u51e0\u4e4e\u88ab\u201c\u6df9\u6ca1\u201d\u3002AI \u5c06\u83b7\u5f97\u6781\u5927\u7684\u81ea\u7531\u5ea6\uff0c\u57fa\u672c\u6839\u636e\u65b0\u63d0\u793a\u8bcd\u91cd\u65b0\u521b\u4f5c\uff0c\u53ea\u6a21\u7cca\u5730\u4fdd\u7559\u539f\u56fe\u7684\u6784\u56fe\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3. Sampling Steps\uff08\u91c7\u6837\u6b65\u6570\uff09<\/h4>\n\n\n\n<p>\u5373\u201c\u53cd\u5411\u53bb\u566a\u201d\u7684\u8fed\u4ee3\u6b21\u6570\u3002\u8fd9\u4e0d\u4ec5\u4ec5\u662f\u201c\u6253\u78e8\u6b21\u6570\u201d\uff0c\u6bcf\u4e00\u6b65\u90fd\u5bf9\u5e94\u7740\u4e00\u4e2a\u4e0d\u540c\u7684\u201c\u566a\u58f0\u6c34\u5e73\u201d\uff08\u65f6\u95f4\u6b65 <code>t<\/code>\uff09\u3002<\/p>\n\n\n\n<p>U-Net \u88ab\u8bad\u7ec3\u6210\u5728\u4e0d\u540c\u566a\u58f0\u6c34\u5e73\u4e0b\u6709\u4e0d\u540c\u884c\u4e3a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5728\u9ad8\u566a\u58f0\u65f6\uff08\u65e9\u671f\u6b65\u9aa4\uff09\uff1a<\/strong> AI \u7684\u6ce8\u610f\u529b\u96c6\u4e2d\u5728\u6062\u590d\u56fe\u50cf\u7684<strong>\u201c\u7c97\u7565\u7ed3\u6784\u201d<\/strong>\uff08\u4f8b\u5982\u201c\u8fd9\u4e2a\u4eba\u662f\u7ad9\u7740\u7684\u201d\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5728\u4f4e\u566a\u58f0\u65f6\uff08\u540e\u671f\u6b65\u9aa4\uff09\uff1a<\/strong> AI \u7684\u6ce8\u610f\u529b\u8f6c\u79fb\u5230\u7ed8\u5236<strong>\u201c\u7cbe\u7ec6\u7ec6\u8282\u201d<\/strong>\uff08\u4f8b\u5982\u201c\u9019\u500b\u4eba\u7684\u773c\u775b\u662f\u84dd\u8272\u7684\u201d\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u56e0\u6b64\uff0c\u6b65\u6570\u592a\u5c11\uff08\u5982 10 \u6b65\uff09\uff0cAI \u53ef\u80fd\u5728\u201c\u753b\u5b8c\u7ed3\u6784\u201d\u540e\u5c31\u505c\u6b62\u4e86\uff0c\u5bfc\u81f4\u7ec6\u8282\u4e0d\u8db3\u3002\u800c\u8d85\u8fc7\u4e00\u5b9a\u9608\u503c\uff08\u5982 50 \u6b65\uff09\u540e\uff0c\u8d28\u91cf\u63d0\u5347\u4f1a\u9012\u51cf\uff0c\u8ba1\u7b97\u65f6\u95f4\u5219\u4f1a\u7ebf\u6027\u589e\u52a0\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4. Sampler Method\uff08\u91c7\u6837\u65b9\u6cd5\uff09<\/h4>\n\n\n\n<p>\u5982\u679c\u4f60\u4f7f\u7528\u8fc7\u201cStable Diffusion WebUI\u201d\uff0c\u53ef\u80fd\u5728\u6ce8\u610f\u5230\u4e86 <code>Euler a<\/code>, <code>DPM++ 2M Karras<\/code> \u7b49\u9009\u9879\u3002\u8fd9\u5c31\u662f\u201c\u91c7\u6837\u5668\u201d\uff0c\u5373<strong>\u201c\u5982\u4f55\u201d\u4ece\u7b2c <code>t<\/code> \u6b65\u7684\u566a\u58f0\u56fe\uff0c\u8ba1\u7b97\u51fa\u7b2c <code>t-1<\/code> \u6b65\u7684\u56fe\u7684\u6570\u5b66\u516c\u5f0f<\/strong>\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DDIM \/ DDPM\uff1a<\/strong> \u6269\u6563\u6a21\u578b\u7684\u201c\u5143\u8001\u201d\u7b97\u6cd5\uff0cDDIM \u66f4\u5feb\u4e14\u7ed3\u679c\u786e\u5b9a\u3002<\/li>\n\n\n\n<li><strong>Euler \/ Heun\uff1a<\/strong> \u7ecf\u5178\u7684\u5e38\u5fae\u5206\u65b9\u7a0b\uff08ODE\uff0c\u5373 Ordinary Differential Equations\uff0c\u4e00\u79cd\u7528\u4e8e\u9884\u6d4b\u8fde\u7eed\u53d8\u5316\u7684\u6570\u5b66\u5de5\u5177\uff09\u6c42\u89e3\u5668\uff0c\u901f\u5ea6\u5feb\uff0c\u6709\u65f6\u66f4\u5177\u201c\u521b\u610f\u201d\u3002<\/li>\n\n\n\n<li><strong>DPM++ \/ DM 2\uff1a<\/strong> \u5148\u8fdb\u7684\u6c42\u89e3\u5668\uff08DPM \u6307 Diffusion Probabilistic Models\uff09\uff0c\u901a\u5e38\u88ab\u8ba4\u4e3a\u80fd\u5728<strong>\u6700\u5c11\u7684\u6b65\u6570\u5185\uff08\u5982 20-30 \u6b65\uff09\u8fbe\u5230\u6781\u9ad8\u8d28\u91cf<\/strong>\uff0c\u662f\u76ee\u524d\u7684\u4e3b\u6d41\u9009\u62e9\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9009\u62e9\u4e0d\u540c\u7684\u91c7\u6837\u5668\u4f1a\u663e\u8457\u5f71\u54cd\u56fe\u50cf\u7684\u6700\u7ec8\u98ce\u683c\u548c\u751f\u6210\u901f\u5ea6\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">5. Seed\uff08\u79cd\u5b50\uff09<\/h4>\n\n\n\n<p>\u5373\u201c\u4f2a\u968f\u673a\u6570\u751f\u6210\u5668\u201d\u7684<strong>\u8d77\u59cb\u7f16\u53f7<\/strong>\u3002\u8fd9\u4e2a\u6570\u5b57\u672c\u8eab\u6ca1\u6709\u610f\u4e49\uff0c\u4f46\u5b83<strong>\u552f\u4e00\u5730\u51b3\u5b9a\u4e86\u521d\u59cb\u566a\u58f0\u56fe\u7684\u5177\u4f53\u56fe\u6848<\/strong>\u3002<\/p>\n\n\n\n<p>\u7535\u8111\u65e0\u6cd5\u521b\u9020\u201c\u771f\u968f\u673a\u201d\uff0c\u53ea\u80fd\u901a\u8fc7\u4e00\u4e2a\u7b97\u6cd5\uff08\u4f2a\u968f\u673a\u6570\u751f\u6210\u5668\uff09\u6765\u6a21\u62df\u3002\u7ed9\u5b9a\u4e00\u4e2a\u201c\u79cd\u5b50\u201d\u4f5c\u4e3a\u7b97\u6cd5\u7684\u201c\u94a5\u5319\u201d\uff0c\u5b83\u4fbf\u4f1a\u751f\u6210\u4e00\u5957\u201c\u770b\u8d77\u6765\u968f\u673a\u201d\u7684\u6570\u5b57\u5e8f\u5217\u3002\u8fd9\u4e2a\u201c\u6570\u5b57\u201d\u7684\u6765\u6e90\u901a\u5e38\u6709\u4e24\u79cd\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8f6f\u4ef6\u968f\u673a\u5206\u914d\uff1a<\/strong> \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u79cd\u5b50\u503c\u901a\u5e38\u8bbe\u4e3a <strong>-1<\/strong>\u3002\u8fd9\u662f\u4e00\u4e2a\u7279\u6b8a\u6307\u4ee4\uff0c\u544a\u8bc9\u8f6f\u4ef6\uff1a\u201c\u8bf7\u4f60\u5e2e\u6211<strong>\u968f\u673a<\/strong>\u6311\u4e00\u4e2a\u6570\u5b57\uff08\u5982 <code>2345678<\/code>\uff09\u4f5c\u4e3a\u672c\u6b21\u751f\u6210\u7684\u2018\u94a5\u5319\u2019\u201d\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u4f60\u6bcf\u6b21\u70b9\u51fb\u201c\u751f\u6210\u201d\uff0c\u90fd\u4f1a\u5f97\u5230\u4e00\u5f20\u6784\u56fe\u5b8c\u5168\u4e0d\u540c\u7684\u65b0\u56fe\u7247\u3002<\/li>\n\n\n\n<li><strong>\u7528\u6237\u624b\u52a8\u6307\u5b9a\uff1a<\/strong> \u5f53\u4f60\u5f97\u5230\u4e00\u5f20\u6ee1\u610f\u7684\u56fe\u540e\uff08\u8f6f\u4ef6\u4f1a\u663e\u793a\u5b83\u6240\u7528\u7684\u79cd\u5b50\u53f7\uff0c\u5982 <code>2345678<\/code>\uff09\uff0c\u4f60\u53ef\u4ee5\u5728\u4e0b\u6b21\u751f\u56fe\u56fe\u7247\u65f6<strong>\u624b\u52a8<\/strong>\u5c06\u79cd\u5b50\u8bbe\u4e3a\u8fd9\u4e2a\u6570\u5b57\u6765\u201c\u9501\u5b9a\u201d\u5b83\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u7ed3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u968f\u673a\u79cd\u5b50\uff08-1\uff09\uff1a<\/strong> \u5141\u8bb8\u4f60\u201c\u62bd\u5956\u201d\uff0c\u6bcf\u6b21\u90fd\u4ece\u4e00\u4e2a\u968f\u673a\u7684\u201c\u94a5\u5319\u201d\u5f00\u59cb\uff0c\u751f\u6210\u65b0\u7684\u56fe\u6848\u3002<\/li>\n\n\n\n<li><strong>\u56fa\u5b9a\u79cd\u5b50\uff08\u5982 <code>2345678<\/code>\uff09\uff1a<\/strong> <strong>\u201c\u9501\u5b9a\u201d\u521d\u59cb\u566a\u58f0\u56fe\u6848<\/strong>\u3002\u8fd9\u80fd\u4fdd\u8bc1\u521d\u59cb\u566a\u58f0\u56fe\u6c38\u8fdc\u4e0d\u53d8\uff0c\u6b64\u65f6\u4f60\u518d\u5fae\u8c03\u63d0\u793a\u8bcd\uff08\u5982\u4ece\u201c\u7ea2\u8f66\u201d\u6539\u4e3a\u201c\u84dd\u8f66\u201d\uff09\uff0c\u5c31\u53ef\u4ee5\u53ea\u6539\u53d8\u56fe\u50cf\u7684\u5c40\u90e8\u5185\u5bb9\uff0c\u800c\u4fdd\u6301\u6574\u4f53\u6784\u56fe\u4e00\u81f4\uff0c\u662f\u8fdb\u884c\u53ef\u63a7\u521b\u4f5c\u7684\u5173\u952e\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p>\u5b66\u4e60\u8d44\u6599\u63a8\u8350\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>YouTube\u767e\u4e07\u64ad\u653e\u7684\u6df1\u5165\u6d45\u51fa\u89c6\u9891\u79d1\u666e\uff08\u89c6\u9891\u4e2d\u7684\u56fe\u89e3\u7279\u522b\u68d2\uff09\uff1a<a href=\"https:\/\/www.youtube.com\/watch?v=iv-5mZ_9CPY\" target=\"_blank\" rel=\"noreferrer noopener\">\u89c6\u9891\u94fe\u63a5<\/a><\/li>\n\n\n\n<li>Jay Alammar\u56fe\u6587\u5e76\u8302\u8bb2\u89e3\u539f\u7406\uff1a<a href=\"https:\/\/jalammar.github.io\/illustrated-stable-diffusion\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u6587\u94fe\u63a5<\/a><\/li>\n\n\n\n<li>\u91cd\u70b9\u8bb2\u89e3\u4e86\u56fe\u751f\u56fe\u7684\u539f\u7406\uff1a<a href=\"https:\/\/stable-diffusion-art.com\/how-stable-diffusion-work\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u6587\u94fe\u63a5<\/a><\/li>\n\n\n\n<li>Stable Diffusion\u5b9e\u64cd\u624b\u518c\uff1a<a href=\"https:\/\/stable-diffusion-art.com\/beginners-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u539f\u6587\u94fe\u63a5<\/a><\/li>\n\n\n\n<li>\u6211\u8ddf\u7740\u5b66\u4e60\u5e76\u5b9e\u64cdStable Diffusion WebUI\u7684B\u7ad9\u6559\u7a0b\uff1a<a href=\"https:\/\/space.bilibili.com\/1814756990\/lists\/6135538?type=season\" target=\"_blank\" rel=\"noreferrer noopener\">\u89c6\u9891\u5408\u96c6\u94fe\u63a5<\/a><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec5\u4ec5\u5728\u4e00\u5e74\u591a\u4ee5\u524d\uff0cAI \u56fe\u50cf\u751f\u6210\u8fd8\u50cf\u4e00\u4e2a\u201c\u9ad8\u7ea7\u73a9\u5177\u201d\u3002\u5b83\u5145\u6ee1\u4e86\u96be\u4ee5\u653b\u514b\u7684\u201c\u987d\u75be\u201d\uff1a\u753b\u4e0d\u51fa\u6b63\u5e38\u7684\u624b\u6307\u3001\u65e0\u6cd5\u5728\u56fe\u50cf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":189,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-102","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/www.xiewuyi.com\/index.php\/wp-json\/wp\/v2\/posts\/102","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.xiewuyi.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xiewuyi.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xiewuyi.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xiewuyi.com\/index.php\/wp-json\/wp\/v2\/comments?post=102"}],"version-history":[{"count":18,"href":"http:\/\/www.xiewuyi.com\/index.php\/wp-json\/wp\/v2\/posts\/102\/revisions"}],"predecessor-version":[{"id":133,"href":"http:\/\/www.xiewuyi.com\/index.php\/wp-json\/wp\/v2\/posts\/102\/revisions\/133"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.xiewuyi.com\/index.php\/wp-json\/wp\/v2\/media\/189"}],"wp:attachment":[{"href":"http:\/\/www.xiewuyi.com\/index.php\/wp-json\/wp\/v2\/media?parent=102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xiewuyi.com\/index.php\/wp-json\/wp\/v2\/categories?post=102"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xiewuyi.com\/index.php\/wp-json\/wp\/v2\/tags?post=102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}