{"id":3734,"date":"2022-04-13T10:55:32","date_gmt":"2022-04-13T02:55:32","guid":{"rendered":"http:\/\/139.9.1.231\/?p=3734"},"modified":"2022-04-13T10:55:33","modified_gmt":"2022-04-13T02:55:33","slug":"dalle-2","status":"publish","type":"post","link":"http:\/\/139.9.1.231\/index.php\/2022\/04\/13\/dalle-2\/","title":{"rendered":"DALL\u00b7E-2\uff1a\u4ece\u6587\u672c\u751f\u6210\u56fe\u50cf"},"content":{"rendered":"\n<p>\u53bb\u5e74 1 \u6708 6 \u65e5\uff0cOpenAI \u53d1\u5e03\u4e86\u65b0\u6a21\u578b\u00a0<a rel=\"noreferrer noopener\" href=\"http:\/\/mp.weixin.qq.com\/s?__biz=MzA3MzI4MjgzMw==&amp;mid=2650806164&amp;idx=1&amp;sn=52b5e9682dab0cb09b962cea6cf39f40&amp;chksm=84e5d3eab3925afc0f6030ac87c85e14a0e3cd9d5aa1e8556e6b248e5c12f174732dff40ad94&amp;scene=21#wechat_redirect\" target=\"_blank\">DALL\u00b7E<\/a>\uff0c\u4e0d\u7528\u8de8\u754c\u4e5f\u80fd\u4ece\u6587\u672c\u751f\u6210\u56fe\u50cf\uff0c\u6253\u7834\u4e86\u81ea\u7136\u8bed\u8a00\u4e0e\u89c6\u89c9\u6b21\u5143\u58c1\uff0c\u5f15\u8d77\u4e86 AI \u5708\u7684\u4e00\u9635\u6b22\u547c\u3002\u65f6\u9694\u4e00\u5e74\u591a\u540e\uff0cDALL\u00b7E \u8fce\u6765\u4e86\u5347\u7ea7\u7248\u672c\u2014\u2014DALL\u00b7E 2\u3002<\/p>\n\n\n\n<p>DALL\u00b7E 2 \u662f\u4e00\u4e2a\u65b0\u7684\u4eba\u5de5\u667a\u80fd\u7cfb\u7edf\uff0c\u53ef\u4ee5\u6839\u636e\u81ea\u7136\u8bed\u8a00\u7684\u63cf\u8ff0\u521b\u5efa\u903c\u771f\u7684\u56fe\u50cf\u548c\u827a\u672f\u3002<\/p>\n\n\n\n<p class=\"has-light-pink-background-color has-background\">\u94fe\u63a5\uff1a<\/p>\n\n\n\n<p>1\u3001\u8bd5\u73a9   <a href=\"https:\/\/openai.com\/dall-e-2\/\">https:\/\/openai.com\/dall-e-2\/<\/a><\/p>\n\n\n\n<p>2\u3001\u8bba\u6587\u5730\u5740\uff1a<a href=\"https:\/\/cdn.openai.com\/papers\/dall-e-2.pdf\">https:\/\/cdn.openai.com\/papers\/dall-e-2.pdf<\/a><\/p>\n\n\n\n<p>3\u3001github \uff1a <a href=\"https:\/\/github.com\/lucidrains\/DALLE2-pytorch\">https:\/\/github.com\/lucidrains\/DALLE2-pytorch<\/a><\/p>\n\n\n\n<p class=\"has-light-pink-background-color has-background\">\u793a\u4f8b\uff1a<\/p>\n\n\n\n<p>TEXT DESCRIPTION \u6587\u672c\u63cf\u8ff0\uff1a<\/p>\n\n\n\n<p>An astronautTeddy bearsA bowl of soup<\/p>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" src=\"https:\/\/cdn.openai.com\/dall-e-2\/demos\/text2im\/astronaut\/horse\/photo\/0.jpg\" alt=\"unknown\" width=\"429\" height=\"429\"\/><\/figure><\/div>\n\n\n\n<p class=\"has-light-pink-background-color has-background\">\u7f51\u7edc\uff1a\uff08\u5177\u4f53\u7ec6\u8282\u8fd8\u6ca1\u4ed4\u7ec6\u770b\u8bba\u6587\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/github.com\/lucidrains\/DALLE2-pytorch\/raw\/main\/dalle2.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>\u751f\u6210\u6a21\u578b\u7684\u8fed\u4ee3<\/strong><\/p>\n\n\n\n<p>DALL\u00b7E 2 \u5efa\u7acb\u5728 CLIP \u4e4b\u4e0a\uff0cOpenAI \u7814\u7a76\u79d1\u5b66\u5bb6 Prafulla Dhariwal \u8bf4\uff1a\u300cDALL\u00b7E 1 \u53ea\u662f\u4ece\u8bed\u8a00\u4e2d\u63d0\u53d6\u4e86 GPT-3 \u7684\u65b9\u6cd5\u5e76\u5c06\u5176\u5e94\u7528\u4e8e\u751f\u6210\u56fe\u50cf\uff1a\u5c06\u56fe\u50cf\u538b\u7f29\u6210\u4e00\u7cfb\u5217\u5355\u8bcd\uff0c\u5e76\u4e14\u5b66\u4f1a\u4e86\u9884\u6d4b\u63a5\u4e0b\u6765\u4f1a\u53d1\u751f\u4ec0\u4e48\u3002\u300d\u8fd9\u662f\u8bb8\u591a\u6587\u672c AI \u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u7684 GPT \u6a21\u578b\u3002\u4f46\u5355\u8bcd\u5339\u914d\u5e76\u4e0d\u4e00\u5b9a\u80fd\u7b26\u5408\u4eba\u4eec\u7684\u9884\u671f\uff0c\u800c\u4e14\u9884\u6d4b\u8fc7\u7a0b\u9650\u5236\u4e86\u56fe\u50cf\u7684\u771f\u5b9e\u6027\u3002CLIP \u65e8\u5728\u4ee5\u4eba\u7c7b\u7684\u65b9\u5f0f\u67e5\u770b\u56fe\u50cf\u5e76\u603b\u7ed3\u5176\u5185\u5bb9\uff0cOpenAI \u8fed\u4ee3\u521b\u5efa\u4e86\u4e00\u4e2a CLIP \u7684\u5012\u7f6e\u7248\u672c\u2014\u2014\u300cunCLIP\u300d\uff0c\u5b83\u80fd\u4ece\u63cf\u8ff0\u751f\u6210\u56fe\u50cf\uff0c\u800c DALL\u00b7E 2 \u4f7f\u7528\u79f0\u4e3a\u6269\u6563\uff08diffusion\uff09\u7684\u8fc7\u7a0b\u751f\u6210\u56fe\u50cf\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"537\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/04\/image-16-1024x537.png\" alt=\"\" class=\"wp-image-3741\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/04\/image-16-1024x537.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/04\/image-16-300x157.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/04\/image-16-768x402.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/04\/image-16.png 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u8bad\u7ec3\u6570\u636e\u96c6\u7531\u56fe\u50cf x \u53ca\u5176\u5bf9\u5e94\u7684\u5b57\u5e55 y \u5bf9 (x, y) \u7ec4\u6210\u3002\u7ed9\u5b9a\u56fe\u50cf x\uff0c z_i \u548c z_t \u5206\u522b\u8868\u793a CLIP \u56fe\u50cf\u548c\u6587\u672c\u5d4c\u5165\u3002OpenAI \u751f\u6210\u5806\u6808\u4ee5\u4f7f\u7528\u4e24\u4e2a\u7ec4\u4ef6\u4ece\u5b57\u5e55\u751f\u6210\u56fe\u50cf\uff1a<\/p>\n\n\n\n<ul><li>\u5148\u9a8c P(z_i |y) \u751f\u6210\u4ee5\u5b57\u5e55 y \u4e3a\u6761\u4ef6\u7684 CLIP \u56fe\u50cf\u5d4c\u5165 z_i;<\/li><li>\u89e3\u7801\u5668 P(x|z_i , y) \u4ee5 CLIP \u56fe\u50cf\u5d4c\u5165 z_i\uff08\u4ee5\u53ca\u53ef\u9009\u7684\u6587\u672c\u5b57\u5e55 y\uff09\u4e3a\u6761\u4ef6\u751f\u6210\u56fe\u50cf x\u3002<\/li><\/ul>\n\n\n\n<p>\u89e3\u7801\u5668\u5141\u8bb8\u7814\u7a76\u8005\u5728\u7ed9\u5b9a CLIP \u56fe\u50cf\u5d4c\u5165\u7684\u60c5\u51b5\u4e0b\u53cd\u6f14\u56fe\u50cf\uff08invert images\uff09\uff0c\u800c\u5148\u9a8c\u5141\u8bb8\u5b66\u4e60\u56fe\u50cf\u5d4c\u5165\u672c\u8eab\u7684\u751f\u6210\u6a21\u578b\u3002\u5806\u53e0\u8fd9\u4e24\u4e2a\u7ec4\u4ef6\u4ea7\u751f\u4e00\u4e2a\u56fe\u50cf x \u3001\u7ed9\u5b9a\u5b57\u5e55 y \u7684\u751f\u6210\u6a21\u578b P(x|y) \uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"521\" height=\"60\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/04\/image-15.png\" alt=\"\" class=\"wp-image-3740\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/04\/image-15.png 521w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/04\/image-15-300x35.png 300w\" sizes=\"(max-width: 521px) 100vw, 521px\" \/><\/figure>\n\n\n\n<p>DALL\u00b7E \u7684\u5b8c\u6574\u6a21\u578b\u4ece\u672a\u516c\u5f00\u53d1\u5e03\uff0c\u4f46\u5176\u4ed6\u5f00\u53d1\u4eba\u5458\u5728\u8fc7\u53bb\u4e00\u5e74\u4e2d\u5df2\u7ecf\u6784\u5efa\u4e86\u4e00\u4e9b\u6a21\u4eff DALL\u00b7E \u529f\u80fd\u7684\u5de5\u5177\u3002\u6700\u53d7\u6b22\u8fce\u7684\u4e3b\u6d41\u5e94\u7528\u7a0b\u5e8f\u4e4b\u4e00\u662f Wombo \u7684 Dream \u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\uff0c\u5b83\u80fd\u591f\u6839\u636e\u7528\u6237\u63cf\u8ff0\u7684\u5404\u79cd\u5185\u5bb9\u751f\u6210\u56fe\u7247\u3002&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"blob:http:\/\/139.9.1.231\/06856489-b17c-4179-ae1a-20714518a343\" alt=\"\u56fe\u7247\"\/><\/figure>\n\n\n\n<p>OpenAI \u5df2\u7ecf\u91c7\u53d6\u4e86\u4e00\u4e9b\u5185\u7f6e\u7684\u4fdd\u62a4\u63aa\u65bd\u3002\u8be5\u6a21\u578b\u662f\u5728\u5df2\u5254\u9664\u4e0d\u826f\u6570\u636e\u7684\u6570\u636e\u96c6\u4e0a\u8fdb\u884c\u8bad\u7ec3\u7684\uff0c\u7406\u60f3\u60c5\u51b5\u4e0b\u4f1a\u9650\u5236\u5176\u4ea7\u751f\u4ee4\u4eba\u53cd\u611f\u7684\u5185\u5bb9\u7684\u80fd\u529b\u3002\u4e3a\u907f\u514d\u751f\u6210\u7684\u56fe\u7247\u88ab\u6ee5\u7528\uff0cDALL\u00b7E 2 \u5728\u751f\u6210\u7684\u56fe\u7247\u4e0a\u90fd\u6807\u6709\u6c34\u5370\uff0c\u4ee5\u8868\u660e\u8be5\u4f5c\u54c1\u662f AI \u751f\u6210\u7684\u3002\u6b64\u5916\uff0c\u8be5\u6a21\u578b\u4e5f\u65e0\u6cd5\u6839\u636e\u540d\u79f0\u751f\u6210\u4efb\u4f55\u53ef\u8bc6\u522b\u7684\u9762\u5b54\u3002DALL\u00b7E 2 \u5c06\u7531\u7ecf\u8fc7\u5ba1\u67e5\u7684\u5408\u4f5c\u4f19\u4f34\u8fdb\u884c\u6d4b\u8bd5\uff0c\u4f46\u6709\u4e00\u4e9b\u8981\u6c42\uff1a\u7981\u6b62\u7528\u6237\u4e0a\u4f20\u6216\u751f\u6210\u300c\u53ef\u80fd\u9020\u6210\u4f24\u5bb3\u300d\u7684\u56fe\u50cf\u3002\u4ed6\u4eec\u8fd8\u5fc5\u987b\u8bf4\u660e\u7528 AI \u751f\u6210\u56fe\u50cf\u7684\u4f5c\u7528\uff0c\u5e76\u4e14\u4e0d\u80fd\u901a\u8fc7\u5e94\u7528\u7a0b\u5e8f\u6216\u7f51\u7ad9\u5c06\u751f\u6210\u7684\u56fe\u50cf\u63d0\u4f9b\u7ed9\u5176\u4ed6\u4eba\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53bb\u5e74 1 \u6708 6 \u65e5\uff0cOpenAI \u53d1\u5e03\u4e86\u65b0\u6a21\u578b\u00a0DALL\u00b7E\uff0c\u4e0d\u7528\u8de8\u754c\u4e5f\u80fd\u4ece\u6587\u672c\u751f\u6210\u56fe\u50cf\uff0c\u6253\u7834\u4e86\u81ea\u7136\u8bed\u8a00\u4e0e\u89c6 &hellip; <a href=\"http:\/\/139.9.1.231\/index.php\/2022\/04\/13\/dalle-2\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">DALL\u00b7E-2\uff1a\u4ece\u6587\u672c\u751f\u6210\u56fe\u50cf<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17,4],"tags":[],"_links":{"self":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/3734"}],"collection":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/comments?post=3734"}],"version-history":[{"count":6,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/3734\/revisions"}],"predecessor-version":[{"id":3743,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/3734\/revisions\/3743"}],"wp:attachment":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/media?parent=3734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/categories?post=3734"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/tags?post=3734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}