{"id":37251,"date":"2025-01-24T21:00:17","date_gmt":"2025-01-24T13:00:17","guid":{"rendered":"https:\/\/17aitech.com\/?p=37251"},"modified":"2025-01-24T21:00:17","modified_gmt":"2025-01-24T13:00:17","slug":"%e6%89%a9%e6%95%a3%e6%a8%a1%e5%9e%8b%e6%b5%81%e5%8c%b9%e9%85%8d%ef%bc%9f%e8%b0%b7%e6%ad%8cdeepmind%e5%8d%9a%e5%ae%a2%e6%b7%b1%e5%ba%a6%e8%af%a6%e8%a7%a3%e8%bf%99%e7%a7%8d%e6%83%8a%e4%ba%ba%e7%9a%84","status":"publish","type":"post","link":"https:\/\/17aitech.com\/?p=37251","title":{"rendered":"\u6269\u6563\u6a21\u578b=\u6d41\u5339\u914d\uff1f\u8c37\u6b4cDeepMind\u535a\u5ba2\u6df1\u5ea6\u8be6\u89e3\u8fd9\u79cd\u60ca\u4eba\u7684\u7b49\u4ef7\u6027"},"content":{"rendered":"<p>\u6587\u7ae0\u6765\u6e90\u4e8e\u4e92\u8054\u7f51:<a href=\"https:\/\/www.jiqizhixin.com\/articles\/2024-12-13-3\" target=\"_blank\">\u6269\u6563\u6a21\u578b=\u6d41\u5339\u914d\uff1f\u8c37\u6b4cDeepMind\u535a\u5ba2\u6df1\u5ea6\u8be6\u89e3\u8fd9\u79cd\u60ca\u4eba\u7684\u7b49\u4ef7\u6027<\/a><\/p>\n<p>\u6269\u6563\u6a21\u578b\u548c\u6d41\u5339\u914d\u5b9e\u9645\u4e0a\u662f\u540c\u4e00\u4e2a\u6982\u5ff5\u7684\u4e24\u79cd\u4e0d\u540c\u8868\u8fbe\u65b9\u5f0f\u5417\uff1f<\/p>\n<p>\u4ece\u8868\u9762\u4e0a\u770b\uff0c\u8fd9\u4e24\u79cd\u65b9\u6cd5\u4f3c\u4e4e\u5404\u6709\u4fa7\u91cd\uff1a\u6269\u6563\u6a21\u578b\u4e13\u6ce8\u4e8e\u901a\u8fc7\u8fed\u4ee3\u7684\u65b9\u5f0f\u9010\u6b65\u53bb\u9664\u566a\u58f0\uff0c\u5c06\u6570\u636e\u8fd8\u539f\u6210\u6e05\u6670\u7684\u6837\u672c\u3002<\/p>\n<p>\u800c\u6d41\u5339\u914d\u5219\u4fa7\u91cd\u4e8e\u6784\u5efa\u53ef\u9006\u53d8\u6362\u7cfb\u7edf\uff0c\u76ee\u6807\u662f\u5b66\u4e60\u5982\u4f55\u5c06\u7b80\u5355\u7684\u57fa\u7840\u5206\u5e03\u7cbe\u786e\u5730\u6620\u5c04\u5230\u771f\u5b9e\u6570\u636e\u5206\u5e03\u3002<\/p>\n<p>\u56e0\u4e3a\u6d41\u5339\u914d\u7684\u516c\u5f0f\u5f88\u7b80\u5355\uff0c\u5e76\u4e14\u751f\u6210\u6837\u672c\u7684\u8def\u5f84\u5f88\u76f4\u63a5\uff0c\u6700\u8fd1\u8d8a\u6765\u8d8a\u53d7\u7814\u7a76\u8005\u4eec\u7684\u6b22\u8fce\uff0c\u4e8e\u662f\u5f88\u591a\u4eba\u90fd\u5728\u95ee\uff1a<\/p>\n<p>\u300c<strong>\u5230\u5e95\u662f\u6269\u6563\u6a21\u578b\u597d\u5462\uff1f\u8fd8\u662f\u6d41\u5339\u914d\u597d\uff1f<\/strong>\u300d<\/p>\n<p>\u73b0\u5728\uff0c\u8fd9\u4e2a\u56f0\u6270\u5df2\u5f97\u5230\u89e3\u7b54\u3002Google DeepMind \u7684\u7814\u7a76\u56e2\u961f\u53d1\u73b0\uff0c<strong>\u539f\u6765\u6269\u6563\u6a21\u578b\u548c\u6d41\u5339\u914d\u5c31\u50cf\u4e00\u679a\u786c\u5e01\u7684\u4e24\u9762\uff0c\u672c\u8d28\u4e0a\u662f\u7b49\u4ef7\u7684<\/strong> 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src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-dec25943541c019591c94594e1a05ee2.png\"><\/a><\/section>\n<section>\u94fe\u63a5\uff1ahttps:\/\/diffusionflow.github.io<\/section>\n<section><\/section>\n<section>\u5728\u8fd9\u7bc7\u535a\u5ba2\u7684\u5f00\u5934\uff0c\u4f5c\u8005\u4eec\u5199\u9053\uff1a\u300c\u6211\u4eec\u7684\u76ee\u6807\u662f\u5e2e\u52a9\u5927\u5bb6\u80fd\u591f\u81ea\u5982\u5730\u4ea4\u66ff\u4f7f\u7528\u8fd9\u4e24\u79cd\u65b9\u6cd5\uff0c\u540c\u65f6\u5728\u8c03\u6574\u7b97\u6cd5\u65f6\u62e5\u6709\u771f\u6b63\u7684\u81ea\u7531\u5ea6 \u2014\u2014 \u65b9\u6cd5\u7684\u540d\u79f0\u5e76\u4e0d\u91cd\u8981\uff0c\u91cd\u8981\u7684\u662f\u7406\u89e3\u5176\u672c\u8d28\u3002\u300d<\/section>\n<section><\/section>\n<section><strong>\u6269\u6563\u6a21\u578b\u4e0e\u6d41\u5339\u914d<\/strong><\/section>\n<section><\/section>\n<section>\u6269\u6563\u6a21\u578b\u4e3b\u8981\u5206\u4e3a\u524d\u5411\u8fc7\u7a0b\u548c\u53cd\u5411\u4e24\u4e2a\u9636\u6bb5\u3002<\/section>\n<section><\/section>\n<section>\u524d\u5411\u8fc7\u7a0b\u7528\u516c\u5f0f\u8868\u793a\u4e3a\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-8a40d1806736da36b22913e2aae63417.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-8a40d1806736da36b22913e2aae63417.png\"><\/a><\/section>\n<section>\u5176\u4e2d z_t \u662f\u5728\u65f6\u95f4\u70b9 t \u65f6\u7684\u5e26\u566a\u58f0\u6570\u636e\uff0cx \u4ee3\u8868\u539f\u59cb\u6570\u636e\uff0c\u03b5 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data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-1fab3df0d718bddd9767fd6e5ac762d1.png\"><\/a>\u5176\u4e2d\uff0c<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-df6dc25bb07ea4a3e4b16e7542b985af.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-df6dc25bb07ea4a3e4b16e7542b985af.png\"><\/a><\/section>\n<section>\u800c\u5728\u6d41\u5339\u914d\u4e2d\uff0c\u524d\u5411\u8fc7\u7a0b\u89c6\u4e3a\u6570\u636e x \u548c\u566a\u58f0\u9879 \u03b5 \u4e4b\u95f4\u7684\u7ebf\u6027\u63d2\u503c\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-a6bb74503d9cf90d3bd4d7a2d0a43bab.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-a6bb74503d9cf90d3bd4d7a2d0a43bab.png\"><\/a><\/section>\n<section><strong>\u91c7\u6837<\/strong><\/section>\n<section><\/section>\n<section>\u4eba\u4eec\u666e\u904d\u8ba4\u4e3a\uff0c\u8fd9\u4e24\u4e2a\u6846\u67b6\u5728\u751f\u6210\u6837\u672c\u7684\u65b9\u5f0f\u4e0a\u6709\u6240\u4e0d\u540c\uff1a\u6d41\u5339\u914d\u91c7\u6837\u662f\u786e\u5b9a\u6027\u7684\uff0c\u5177\u6709\u76f4\u7ebf\u8def\u5f84\uff0c\u800c\u6269\u6563\u6a21\u578b\u91c7\u6837\u662f\u968f\u673a\u6027\u7684\uff0c\u5177\u6709\u66f2\u7ebf\u8def\u5f84\u3002\u4e0b\u9762\u6587\u7ae0\u5c06\u6f84\u6e05\u8fd9\u4e00\u8bef\u89e3\uff1a\u9996\u5148\u5173\u6ce8\u66f4\u7b80\u5355\u7684\u786e\u5b9a\u6027\u91c7\u6837\uff0c\u7a0d\u540e\u518d\u8ba8\u8bba\u968f\u673a\u60c5\u51b5\u3002<\/section>\n<section><\/section>\n<section>\u5047\u8bbe\u4f60\u60f3\u4f7f\u7528\u8bad\u7ec3\u597d\u7684\u964d\u566a\u5668\u6a21\u578b\u5c06\u968f\u673a\u566a\u58f0\u8f6c\u6362\u4e3a\u6570\u636e\u70b9\u3002\u53ef\u4ee5\u5148\u56de\u60f3\u4e00\u4e0b DDIM \u7684\u66f4\u65b0 <a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-2c6dcb5956953c144803d4ccf2f810e5.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-2c6dcb5956953c144803d4ccf2f810e5.png\"><\/a>\uff0c\u6709\u8da3\u7684\u662f\uff0c\u91cd\u65b0\u6392\u5217\u9879\u53ef\u4ee5\u7528\u4ee5\u4e0b\u516c\u5f0f\u6765\u8868\u8fbe\uff0c\u8fd9\u91cc\u6d89\u53ca\u51e0\u7ec4\u7f51\u7edc\u8f93\u51fa\u548c\u91cd\u65b0\u53c2\u6570\u5316\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-8a86a467ea3271d0130d2ddf89b291b7.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-8a86a467ea3271d0130d2ddf89b291b7.png\"><\/a><\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-b1675a66574e9e4cac48c582869fdf02.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-b1675a66574e9e4cac48c582869fdf02.png\"><\/a><\/section>\n<section>\u6211\u4eec\u518d\u56de\u5230\u516c\u5f0f\uff084\uff09\u4e2d\u7684\u6d41\u5339\u914d\u66f4\u65b0\uff0c\u548c\u4e0a\u8ff0\u65b9\u7a0b\u770b\u8d77\u6765\u5f88\u76f8\u4f3c\u3002\u5982\u679c\u5728\u6700\u540e\u4e00\u884c\u5c06\u7f51\u7edc\u8f93\u51fa\u8bbe\u4e3a <a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-879379fd0eef7355a115a302fa7421d4.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-879379fd0eef7355a115a302fa7421d4.png\"><\/a>\uff0c\u5e76\u4ee4 <a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-cc1b4faaf580478aa131cf7695a6261b.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-cc1b4faaf580478aa131cf7695a6261b.png\"><\/a>\uff0c\u53ef\u4ee5\u5f97\u5230 <a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-abd8245067c3aa3fec63dae748181e09.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-abd8245067c3aa3fec63dae748181e09.png\"><\/a>\u3001<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-ebbb98ae2358549b451e1b6d1f8efae6.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-ebbb98ae2358549b451e1b6d1f8efae6.png\"><\/a>\u00a0\u8fd9\u6837\u6211\u4eec\u5c31\u6062\u590d\u4e86\u6d41\u5339\u914d\u66f4\u65b0\uff01\u66f4\u51c6\u786e\u5730\u8bf4\uff0c\u6d41\u5339\u914d\u66f4\u65b0\u53ef\u4ee5\u88ab\u89c6\u4e3a\u91cd\u53c2\u6570\u5316\u91c7\u6837\u5e38\u5fae\u5206\u65b9\u7a0b\uff08ODE\uff09\u7684\u6b27\u62c9\u79ef\u5206\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-b41dba02bf390290b024765400b7252c.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-b41dba02bf390290b024765400b7252c.png\"><\/a><\/section>\n<section>\u5bf9\u4e8e DDIM \u91c7\u6837\u5668\u800c\u8a00\uff0c\u666e\u904d\u5b58\u5728\u4ee5\u4e0b\u7ed3\u8bba\uff1aDDIM \u91c7\u6837\u5668\u5bf9\u4e8e\u5e94\u7528\u4e8e\u566a\u58f0\u8c03\u5ea6 \u03b1_t\u3001\u03c3_t \u7684\u7ebf\u6027\u7f29\u653e\u662f\u4e0d\u53d8\u7684\uff0c\u56e0\u4e3a\u7f29\u653e\u4e0d\u4f1a\u5f71\u54cd\u00a0<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-eea349fbe5570cb83c4d177e4e2a3a48.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-eea349fbe5570cb83c4d177e4e2a3a48.png\"><\/a> \u548c\u00a0<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-bfe83d2a000831295397ebd8f1da1959.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-bfe83d2a000831295397ebd8f1da1959.png\"><\/a>\uff0c\u8fd9\u5bf9\u4e8e\u5176\u4ed6\u91c7\u6837\u5668\u6765\u8bf4\u5e76\u4e0d\u6210\u7acb\uff0c\u4f8b\u5982\u6982\u7387\u6d41 ODE \u7684\u6b27\u62c9\u91c7\u6837\u5668\u3002<\/section>\n<section><\/section>\n<section>\u4e3a\u4e86\u9a8c\u8bc1\u4e0a\u8ff0\u7ed3\u8bba\uff0c\u672c\u6587\u5c55\u793a\u4e86\u4f7f\u7528\u51e0\u79cd\u4e0d\u540c\u7684\u566a\u58f0\u8c03\u5ea6\u5f97\u5230\u7684\u7ed3\u679c\uff0c\u6bcf\u79cd\u8c03\u5ea6\u90fd\u9075\u5faa\u6d41\u5339\u914d\u8c03\u5ea6\uff0c\u5e76\u5177\u6709\u4e0d\u540c\u7684\u7f29\u653e\u56e0\u5b50\u3002\u5982\u4e0b\u56fe\uff0c\u968f\u610f\u8c03\u6574\u6ed1\u5757\uff0c\u5728\u6700\u5de6\u4fa7\uff0c\u7f29\u653e\u56e0\u5b50\u662f 1\uff0c\u8fd9\u6b63\u662f\u6d41\u5339\u914d\u8c03\u5ea6\uff0c\u800c\u5728\u6700\u53f3\u4fa7\uff0c\u7f29\u653e\u56e0\u5b50\u662f <a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-dea0df0e6b3a32369aa5f64d482ed24c.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-dea0df0e6b3a32369aa5f64d482ed24c.png\"><\/a>\u3002\u53ef\u4ee5\u89c2\u5bdf\u5230 DDIM\uff08\u4ee5\u53ca\u6d41\u5339\u914d\u91c7\u6837\u5668\uff09\u603b\u662f\u7ed9\u51fa\u76f8\u540c\u7684\u6700\u7ec8\u6570\u636e\u6837\u672c\uff0c\u65e0\u8bba\u8c03\u5ea6\u7684\u7f29\u653e\u5982\u4f55\u3002\u5bf9\u4e8e\u6982\u7387\u6d41 ODE \u7684\u6b27\u62c9\u91c7\u6837\u5668\uff0c\u7f29\u653e\u786e\u5b9e\u4f1a\u4ea7\u751f\u771f\u6b63\u7684\u5dee\u5f02\uff1a\u53ef\u4ee5\u770b\u5230\u8def\u5f84\u548c\u6700\u7ec8\u6837\u672c\u90fd\u53d1\u751f\u4e86\u53d8\u5316\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-b14ffb32e6ced3ff093187987449f001.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-b14ffb32e6ced3ff093187987449f001.gif\"><\/a><\/section>\n<section>\u770b\u5230\u8fd9\u91cc\uff0c\u9700\u8981\u601d\u8003\u4e00\u4e0b\u3002\u4eba\u4eec\u5e38\u8bf4\u6d41\u5339\u914d\u4f1a\u4ea7\u751f\u76f4\u7ebf\u8def\u5f84\uff0c\u4f46\u5728\u4e0a\u56fe\u4e2d\uff0c\u5176\u91c7\u6837\u8f68\u8ff9\u770b\u8d77\u6765\u662f\u5f2f\u66f2\u7684\u3002<\/section>\n<section><\/section>\n<section>\u5728\u4e0b\u9762\u7684\u4ea4\u4e92\u5f0f\u56fe\u8868\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6ed1\u5757\u66f4\u6539\u53f3\u4fa7\u6570\u636e\u5206\u5e03\u7684\u65b9\u5dee\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-22f2e251a71d637727c44333c8b1fea7.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-22f2e251a71d637727c44333c8b1fea7.gif\"><\/a><\/section>\n<section>\u4e0d\u8fc7\uff0c\u5728\u50cf\u56fe\u50cf\u8fd9\u6837\u7684\u771f\u5b9e\u6570\u636e\u96c6\u4e0a\u627e\u5230\u8fd9\u6837\u7684\u76f4\u7ebf\u8def\u5f84\u8981\u590d\u6742\u5f97\u591a\u3002\u4f46\u7ed3\u8bba\u4ecd\u7136\u662f\u76f8\u540c\u7684\uff1a\u6700\u4f18\u7684\u79ef\u5206\u65b9\u6cd5\u53d6\u51b3\u4e8e\u6570\u636e\u5206\u5e03\u3002<\/section>\n<section><\/section>\n<section>\u6211\u4eec\u53ef\u4ee5\u4ece\u786e\u5b9a\u6027\u91c7\u6837\u4e2d\u5f97\u5230\u7684<strong>\u4e24\u4e2a\u91cd\u8981\u7ed3\u8bba<\/strong>\uff1a<\/section>\n<section><\/section>\n<ol>\n<li>\n<section>\u91c7\u6837\u5668\u7684\u7b49\u4ef7\u6027\uff1a<strong>DDIM \u4e0e\u6d41\u5339\u914d\u91c7\u6837\u5668\u7b49\u4ef7<\/strong>\uff0c\u5e76\u4e14\u5bf9\u566a\u58f0\u8c03\u5ea6\u7684\u7ebf\u6027\u7f29\u653e\u4e0d\u53d8\u3002<\/section>\n<\/li>\n<li>\n<section>\u5bf9\u76f4\u7ebf\u6027\u7684\u8bef\u89e3\uff1a\u6d41\u5339\u914d\u8c03\u5ea6\u4ec5\u5728\u6a21\u578b\u9884\u6d4b\u5355\u4e2a\u70b9\u65f6\u624d\u662f\u76f4\u7ebf\u3002<\/section>\n<\/li>\n<\/ol>\n<section><\/section>\n<section><strong>\u8bad\u7ec3<\/strong><\/section>\n<section><\/section>\n<section>\u5bf9\u4e8e\u6269\u6563\u6a21\u578b\uff0c\u5b66\u4e60\u6a21\u578b\u662f\u901a\u8fc7\u6700\u5c0f\u5316\u52a0\u6743\u5747\u65b9\u8bef\u5dee\uff08MSE\uff09\u635f\u5931\u6765\u5b8c\u6210\u7684\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-ed9d138138cc4d7cb5d727d60a757840.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-ed9d138138cc4d7cb5d727d60a757840.png\"><\/a><\/section>\n<section>\u6d41\u5339\u914d\u4e5f\u7b26\u5408\u4e0a\u8ff0\u8bad\u7ec3\u76ee\u6807\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-7fe639319cbbdaa7c071d790a36153df.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-7fe639319cbbdaa7c071d790a36153df.png\"><\/a><\/section>\n<section><strong>\u7f51\u7edc\u5e94\u8be5\u8f93\u51fa\u4ec0\u4e48<\/strong><\/section>\n<section><\/section>\n<section>\u4e0b\u9762\u603b\u7ed3\u4e86\u6587\u732e\u4e2d\u63d0\u51fa\u7684\u51e0\u4e2a\u7f51\u7edc\u8f93\u51fa\uff0c\u5305\u62ec\u6269\u6563\u6a21\u578b\u4f7f\u7528\u7684\u51e0\u4e2a\u7248\u672c\u548c\u6d41\u5339\u914d\u4f7f\u7528\u7684\u5176\u4e2d\u4e00\u4e2a\u7248\u672c\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-51278329c56841ed947927c2fd1941e5.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-51278329c56841ed947927c2fd1941e5.png\"><\/a><\/section>\n<section>\u7136\u800c\uff0c\u5728\u5b9e\u8df5\u4e2d\uff0c\u6a21\u578b\u7684\u8f93\u51fa\u53ef\u80fd\u4f1a\u4ea7\u751f\u975e\u5e38\u5927\u7684\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u57fa\u4e8e\u76f8\u4f3c\u7684\u539f\u56e0\uff0c<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-39fcb0f27f7d01458673c12f61a244e0.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-39fcb0f27f7d01458673c12f61a244e0.png\"><\/a> \u5728\u4f4e\u566a\u58f0\u6c34\u5e73\u4e0b\u662f\u6709\u95ee\u9898\u7684\uff0c\u56e0\u4e3a\u00a0<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-dcf153413b5347db38d3aa43840d2bab.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-dcf153413b5347db38d3aa43840d2bab.png\"><\/a> \u6ca1\u6709\u4fe1\u606f\u91cf\uff0c\u5e76\u4e14\u9519\u8bef\u5728\u00a0<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-ea4582a5a3261b511c55abc7961f6cf4.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-ea4582a5a3261b511c55abc7961f6cf4.png\"><\/a>\u00a0\u4e2d\u88ab\u653e\u5927\u4e86\u3002<\/section>\n<section><\/section>\n<section>\u56e0\u6b64\uff0c\u4e00\u79cd\u542f\u53d1\u5f0f\u65b9\u6cd5\u662f\u9009\u62e9\u4e00\u4e2a\u7f51\u7edc\u8f93\u51fa\uff0c\u5b83\u662f <a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-e19dcc79b88652143c4c59d8aa9183d8.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-e19dcc79b88652143c4c59d8aa9183d8.png\"><\/a>\u3001<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-2c4b8408f9155c6df87555a012481bf0.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-2c4b8408f9155c6df87555a012481bf0.png\"><\/a>\u7684\u7ec4\u5408\uff0c\u8fd9\u9002\u7528\u4e8e\u00a0<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-cb4f433819c111fde4c720682e41af42.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-cb4f433819c111fde4c720682e41af42.png\"><\/a>\u00a0\u548c\u6d41\u5339\u914d\u77e2\u91cf\u573a\u00a0<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-413933ff4f195e32e6847471267f9f43.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-413933ff4f195e32e6847471267f9f43.png\"><\/a><\/section>\n<section><\/section>\n<section><strong>\u5982\u4f55\u9009\u62e9\u52a0\u6743\u51fd\u6570<\/strong><\/section>\n<section><\/section>\n<section>\u52a0\u6743\u51fd\u6570\u662f\u635f\u5931\u51fd\u6570\u4e2d\u6700\u91cd\u8981\u7684\u90e8\u5206\uff0c\u5b83\u5e73\u8861\u4e86\u56fe\u50cf\u3001\u89c6\u9891\u548c\u97f3\u9891\u7b49\u6570\u636e\u4e2d\u9ad8\u9891\u548c\u4f4e\u9891\u5206\u91cf\u7684\u91cd\u8981\u6027\u3002\u8fd9\u4e00\u70b9\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u4fe1\u53f7\u4e2d\u7684\u67d0\u4e9b\u9ad8\u9891\u5206\u91cf\u662f\u4eba\u7c7b\u65e0\u6cd5\u611f\u77e5\u7684\u3002\u5982\u679c\u901a\u8fc7\u52a0\u6743\u60c5\u51b5\u6765\u67e5\u770b\u635f\u5931\u51fd\u6570\uff0c\u53ef\u4ee5\u5f97\u51fa\u4ee5\u4e0b\u7ed3\u679c\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-031aed425965c33de323930e01bfe398.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-031aed425965c33de323930e01bfe398.png\"><\/a><\/section>\n<section>\u5373\u516c\u5f0f (7) \u4e2d\u7684\u6761\u4ef6\u6d41\u5339\u914d\u76ee\u6807\u4e0e\u6269\u6563\u6a21\u578b\u4e2d\u5e38\u7528\u7684\u8bbe\u7f6e\u76f8\u540c\u3002\u4e0b\u9762\u7ed8\u5236\u4e86\u6587\u732e\u4e2d\u5e38\u7528\u7684\u51e0\u4e2a\u52a0\u6743\u51fd\u6570\u3002<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-300a9dd468043fbf684ac753d1645816.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-300a9dd468043fbf684ac753d1645816.gif\"><\/a><\/section>\n<section>\u6d41\u5339\u914d\u52a0\u6743\uff08\u4e5f\u79f0\u4e3a v-MSE + \u4f59\u5f26\u8c03\u5ea6\u52a0\u6743\uff09\u4f1a\u968f\u7740 \u03bb \u7684\u589e\u52a0\u800c\u5448\u6307\u6570\u4e0b\u964d\u3002\u8be5\u56e2\u961f\u5728\u5b9e\u9a8c\u4e2d\u53d1\u73b0\u4e86\u53e6\u4e00\u4e2a\u6709\u8da3\u7684\u8054\u7cfb\uff1aStable Diffusion 3 \u52a0\u6743 [9]\uff08\u8fd9\u662f\u6d41\u5339\u914d\u7684\u4e00\u79cd\u91cd\u65b0\u52a0\u6743\u7248\u672c\uff09\u4e0e\u6269\u6563\u6a21\u578b\u4e2d\u6d41\u884c\u7684 EDM \u52a0\u6743 [10] \u975e\u5e38\u76f8\u4f3c\u3002<\/section>\n<section><\/section>\n<section><strong>\u5982\u4f55\u9009\u62e9\u8bad\u7ec3\u566a\u58f0\u8c03\u5ea6\uff1f<\/strong><\/section>\n<section><\/section>\n<section>\u6700\u540e\u8ba8\u8bba\u8bad\u7ec3\u566a\u58f0\u8c03\u5ea6\uff0c\u56e0\u4e3a\u5728\u4ee5\u4e0b\u610f\u4e49\u4e0a\uff0c\u5b83\u5bf9\u8bad\u7ec3\u7684\u91cd\u8981\u7a0b\u5ea6\u6700\u4f4e\uff1a<\/section>\n<section><\/section>\n<section>1. \u8bad\u7ec3\u635f\u5931\u4e0d\u4f1a\u968f\u8bad\u7ec3\u566a\u58f0\u8c03\u5ea6\u53d8\u5316\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u635f\u5931\u51fd\u6570\u53ef\u4ee5\u91cd\u5199\u4e3a\u00a0<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-2dd98b6ba619809fd5354d00e59b1cd2.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-2dd98b6ba619809fd5354d00e59b1cd2.png\"><\/a>\u00a0\u5b83\u53ea\u4e0e\u7aef\u70b9\uff08\u03bb_max, \u03bb_min\uff09\u6709\u5173\uff0c\u4f46\u4e0e\u4e2d\u95f4\u7684\u8c03\u5ea6 \u03bb_t \u65e0\u5173\u3002\u5728\u5b9e\u8df5\u4e2d\uff0c\u5e94\u8be5\u9009\u62e9\u5408\u9002\u7684 \u03bb_max, \u03bb_min\uff0c\u4f7f\u5f97\u4e24\u7aef\u5206\u522b\u8db3\u591f\u63a5\u8fd1\u5e72\u51c0\u6570\u636e\u548c\u9ad8\u65af\u566a\u58f0\u3002\u03bb_t \u53ef\u80fd\u4ecd\u7136\u4f1a\u5f71\u54cd\u8bad\u7ec3\u635f\u5931\u7684\u8499\u7279\u5361\u6d1b\u4f30\u8ba1\u91cf\u7684\u65b9\u5dee\u3002\u4e00\u4e9b\u6587\u732e\u4e2d\u63d0\u51fa\u4e86\u4e00\u4e9b\u542f\u53d1\u5f0f\u65b9\u6cd5\u6765\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\u81ea\u52a8\u8c03\u6574\u566a\u58f0\u8c03\u5ea6\u3002\u8fd9\u7bc7\u535a\u6587\u6709\u4e00\u4e2a\u5f88\u597d\u7684\u603b\u7ed3\uff1ahttps:\/\/sander.ai\/2024\/06\/14\/noise-schedules.html#adaptive<\/section>\n<section><\/section>\n<section>2. \u7c7b\u4f3c\u4e8e\u91c7\u6837\u566a\u58f0\u8c03\u5ea6\uff0c\u8bad\u7ec3\u566a\u58f0\u8c03\u5ea6\u4e0d\u4f1a\u968f\u7ebf\u6027\u6269\u5c55\uff08linear scaling\uff09\u800c\u53d8\u5316\uff0c\u56e0\u4e3a\u4eba\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u7ebf\u6027\u6269\u5c55\u5e94\u7528\u4e8e z_t\uff0c\u5e76\u5728\u7f51\u7edc\u8f93\u5165\u5904\u8fdb\u884c unscaling \u4ee5\u83b7\u5f97\u7b49\u4ef7\u6027\u3002\u566a\u58f0\u8c03\u5ea6\u7684\u5173\u952e\u5b9a\u4e49\u5c5e\u6027\u662f\u5bf9\u6570\u4fe1\u566a\u6bd4 \u03bb_t\u3002<\/section>\n<section><\/section>\n<section>3. \u4eba\u4eec\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u542f\u53d1\u5f0f\u65b9\u6cd5\u4e3a\u8bad\u7ec3\u548c\u91c7\u6837\u9009\u62e9\u5b8c\u5168\u4e0d\u540c\u7684\u566a\u58f0\u8c03\u5ea6\uff1a\u5bf9\u4e8e\u8bad\u7ec3\uff0c\u6700\u597d\u6709\u4e00\u4e2a\u566a\u58f0\u8c03\u5ea6\u6765\u6700\u5c0f\u5316\u8499\u7279\u5361\u6d1b\u4f30\u8ba1\u91cf\u7684\u65b9\u5dee\uff1b\u800c\u5bf9\u4e8e\u91c7\u6837\uff0c\u566a\u58f0\u8c03\u5ea6\u4e0e ODE \/ SDE \u91c7\u6837\u8f68\u8ff9\u7684\u79bb\u6563\u5316\u8bef\u5dee\u548c\u6a21\u578b\u66f2\u7387\u66f4\u76f8\u5173\u3002<\/section>\n<section><\/section>\n<section><strong>\u603b\u7ed3<\/strong><\/section>\n<section><\/section>\n<section>\u4e0b\u9762\u7ed9\u51fa\u4e86\u8bad\u7ec3\u6269\u6563\u6a21\u578b \/ \u6d41\u5339\u914d\u7684\u4e00\u4e9b\u8981\u70b9\uff1a<\/section>\n<section><\/section>\n<ol>\n<li>\n<section>\u52a0\u6743\u4e2d\u7684\u7b49\u4ef7\u6027\uff1a\u52a0\u6743\u51fd\u6570\u5bf9\u4e8e\u8bad\u7ec3\u5f88\u91cd\u8981\uff0c\u5b83\u5e73\u8861\u4e86\u611f\u77e5\u6570\u636e\u4e0d\u540c\u9891\u7387\u5206\u91cf\u7684\u91cd\u8981\u6027\u3002\u6d41\u5339\u914d\u52a0\u6743\u4e0e\u5e38\u7528\u7684\u6269\u6563\u8bad\u7ec3\u52a0\u6743\u65b9\u6cd5\u76f8\u540c\u3002<\/section>\n<\/li>\n<li>\n<section>\u8bad\u7ec3\u566a\u58f0\u8c03\u5ea6\u7684\u4e0d\u91cd\u8981\u6027\uff1a\u566a\u58f0\u8c03\u5ea6\u5bf9\u8bad\u7ec3\u76ee\u6807\u7684\u91cd\u8981\u6027\u8981\u5c0f\u5f97\u591a\uff0c\u4f46\u4f1a\u5f71\u54cd\u8bad\u7ec3\u6548\u7387\u3002<\/section>\n<\/li>\n<li>\n<section>\u7f51\u7edc\u8f93\u51fa\u7684\u5dee\u5f02\uff1a\u6d41\u5339\u914d\u63d0\u51fa\u7684\u7f51\u7edc\u8f93\u51fa\u662f\u65b0\u7684\uff0c\u5b83\u5f88\u597d\u5730\u5e73\u8861\u4e86\u00a0<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-1f37c179d174c0b234aa4b71340bcad9.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-1f37c179d174c0b234aa4b71340bcad9.png\"><\/a><\/section>\n<\/li>\n<\/ol>\n<section><\/section>\n<section><strong>\u66f4\u6df1\u5165\u5730\u7406\u89e3\u91c7\u6837\u5668<\/strong><\/section>\n<section><\/section>\n<section>\u8fd9\u4e00\u8282\u5c06\u66f4\u8be6\u7ec6\u5730\u4ecb\u7ecd\u5404\u79cd\u4e0d\u540c\u7684\u91c7\u6837\u5668\u3002<\/section>\n<section><\/section>\n<section><strong>\u56de\u6d41\u7b97\u5b50<\/strong><\/section>\n<section><\/section>\n<section>\u6d41\u5339\u914d\u4e2d\u7684\u56de\u6d41\uff08Reflow\uff09\u8fd0\u7b97\u662f\u4f7f\u7528\u76f4\u7ebf\u5c06\u566a\u58f0\u4e0e\u6570\u636e\u70b9\u8fde\u63a5\u8d77\u6765\u3002\u901a\u8fc7\u57fa\u4e8e\u566a\u58f0\u8fd0\u884c\u4e00\u4e2a\u786e\u5b9a\u6027\u7684\u91c7\u6837\u5668\uff0c\u53ef\u4ee5\u5f97\u5230\u8fd9\u4e9b (\u6570\u636e\uff0c\u566a\u58f0) \u5bf9\u3002\u7136\u540e\uff0c\u53ef\u4ee5\u8bad\u7ec3\u6a21\u578b\uff0c\u4f7f\u4e4b\u53ef\u4ee5\u6839\u636e\u7ed9\u5b9a\u566a\u58f0\u76f4\u63a5\u9884\u6d4b\u6570\u636e\uff0c\u800c\u65e0\u9700\u91c7\u6837\u3002\u5728\u6269\u6563\u6280\u672f\u7684\u76f8\u5173\u6587\u732e\u4e2d\uff0c\u8fd9\u540c\u6837\u7684\u65b9\u6cd5\u662f\u6700\u65e9\u7684\u84b8\u998f\u6280\u672f\u4e4b\u4e00\u3002<\/section>\n<section><\/section>\n<section><strong>\u786e\u5b9a\u6027\u91c7\u6837\u5668\u4e0e\u968f\u673a\u91c7\u6837\u5668<\/strong><\/section>\n<section><\/section>\n<section>\u6b64\u524d\u5df2\u7ecf\u8ba8\u8bba\u4e86\u6269\u6563\u6a21\u578b\u6216\u6d41\u5339\u914d\u7684\u786e\u5b9a\u6027\u91c7\u6837\u5668\u3002\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528\u968f\u673a\u91c7\u6837\u5668\uff0c\u4f8b\u5982 DDPM \u91c7\u6837\u5668\u3002<\/section>\n<section><\/section>\n<section>\u6267\u884c\u4e00\u4e2a\u4ece \u03bb_t \u5230 \u03bb_t+\u0394\u03bb \u7684 DDPM \u91c7\u6837\u6b65\u9aa4\u5b8c\u5168\u7b49\u4ef7\u4e8e\u6267\u884c\u4e00\u4e2a\u5230 \u03bb_t+2\u0394\u03bb \u7684 DDIM \u91c7\u6837\u6b65\u9aa4\uff0c\u7136\u540e\u901a\u8fc7\u6267\u884c\u524d\u5411\u6269\u6563\u91cd\u65b0\u566a\u58f0\u5316\u5230 \u03bb_t+\u0394\u03bb\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u901a\u8fc7\u524d\u5411\u6269\u6563\u91cd\u65b0\u566a\u58f0\u5316\u6070\u597d\u9006\u8f6c\u4e86 DDIM \u6240\u53d6\u5f97\u7684\u4e00\u534a\u8fdb\u5c55\u3002\u4e3a\u4e86\u7406\u89e3\u8fd9\u4e00\u70b9\uff0c\u8ba9\u6211\u4eec\u770b\u4e00\u4e2a 2D \u793a\u4f8b\u3002\u4ece\u76f8\u540c\u7684\u9ad8\u65af\u5206\u5e03\u6df7\u5408\u5f00\u59cb\uff0c\u6211\u4eec\u53ef\u4ee5\u6267\u884c\u4e00\u4e2a\u5c0f\u7684 DDIM \u91c7\u6837\u6b65\u9aa4\uff0c\u5de6\u56fe\u5e26\u6709\u66f4\u65b0\u53cd\u8f6c\u7684\u7b26\u53f7\uff0c\u53f3\u56fe\u5219\u662f\u4e00\u4e2a\u5c0f\u7684\u524d\u5411\u6269\u6563\u6b65\u9aa4\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-3082484fe3778a4ddcdcce857df95656.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-3082484fe3778a4ddcdcce857df95656.gif\"><\/a><\/section>\n<section>\u5bf9\u4e8e\u5355\u4e2a\u6837\u672c\u800c\u8a00\uff0c\u8fd9\u4e9b\u66f4\u65b0\u7684\u884c\u4e3a\u5b8c\u5168\u4e0d\u540c\uff1a\u53cd\u8f6c\u7684 DDIM \u66f4\u65b0\u59cb\u7ec8\u5c06\u6bcf\u4e2a\u6837\u672c\u63a8\u79bb\u5206\u5e03\u6a21\u5f0f\uff0c\u800c\u6269\u6563\u66f4\u65b0\u5b8c\u5168\u662f\u968f\u673a\u7684\u3002\u4f46\u662f\uff0c\u5728\u6c47\u603b\u6240\u6709\u6837\u672c\u65f6\uff0c\u66f4\u65b0\u540e\u5f97\u5230\u7684\u5206\u5e03\u662f\u76f8\u540c\u7684\u3002\u56e0\u6b64\uff0c\u5982\u679c\u6267\u884c DDIM \u91c7\u6837\u6b65\u9aa4\uff08\u4e0d\u53cd\u8f6c\u7b26\u53f7\uff09\uff0c\u7136\u540e\u6267\u884c\u524d\u5411\u6269\u6563\u6b65\u9aa4\uff0c\u5219\u6574\u4f53\u5206\u5e03\u4e0e\u66f4\u65b0\u4e4b\u524d\u7684\u5206\u5e03\u4fdd\u6301\u4e0d\u53d8\u3002<\/section>\n<section><\/section>\n<section>\u901a\u8fc7\u91cd\u65b0\u52a0\u566a\u6765\u64a4\u6d88\u7684 DDIM \u6b65\u9aa4\u7684\u6bd4\u4f8b\u662f\u4e00\u4e2a\u8d85\u53c2\u6570\uff0c\u5e76\u4e14\u53ef\u4ee5\u81ea\u7531\u9009\u62e9\uff08\u5373\u4e0d\u5fc5\u4e00\u5b9a\u662f DDIM \u6b65\u9aa4\u7684\u4e00\u534a\uff09\u3002\u8fd9\u4e2a\u8d85\u53c2\u6570\u5728\u300aElucidating the design space of diffusion-based generative models\u300b\u4e2d\u88ab\u79f0\u4e3a level of churn\uff0c\u53ef\u8bd1\u4e3a\u300c\u6405\u52a8\u6c34\u5e73\u300d\u3002\u6709\u8da3\u7684\u662f\uff0c\u5c06\u6405\u52a8\u6dfb\u52a0\u5230\u91c7\u6837\u5668\u7684\u6548\u679c\u662f\uff1a<strong>\u51cf\u5c11\u91c7\u6837\u8fc7\u7a0b\u65e9\u671f\u505a\u51fa\u7684\u6a21\u578b\u9884\u6d4b\u5bf9\u6700\u7ec8\u6837\u672c\u7684\u5f71\u54cd\uff0c\u5e76\u589e\u52a0\u5bf9\u540e\u7eed\u9884\u6d4b\u7684\u6743\u91cd\u3002<\/strong>\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-b4002a184e75ca0e29e9ba91f95340ea.gif\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-b4002a184e75ca0e29e9ba91f95340ea.gif\"><\/a><\/section>\n<section>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u4f7f\u7528\u4f59\u5f26\u566a\u58f0\u8c03\u5ea6\u4ee5\u53ca <a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-1d3b228c86ea977b264a4955924a2593.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-1d3b228c86ea977b264a4955924a2593.png\"><\/a> \u9884\u6d4b\u5c06\u4e0d\u540c\u91c7\u6837\u5668\u90fd\u8fd0\u884c\u4e86 100 \u4e2a\u91c7\u6837\u6b65\u9aa4\u3002\u5ffd\u7565\u975e\u7ebf\u6027\u76f8\u4e92\u4f5c\u7528\uff0c\u91c7\u6837\u5668\u4ea7\u751f\u7684\u6700\u7ec8\u6837\u672c\u53ef\u4ee5\u5199\u6210\u91c7\u6837\u8fc7\u7a0b\u4e2d\u505a\u51fa\u7684\u9884\u6d4b\u548c\u9ad8\u65af\u566a\u58f0 e \u7684\u52a0\u6743\u548c\uff1a<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-7c2015569baad1c5e8c2f284fc8912df.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-7c2015569baad1c5e8c2f284fc8912df.png\"><\/a><\/section>\n<section>\u8fd9\u4e9b\u9884\u6d4b\u7684\u6743\u91cd h_t \u663e\u793a\u5728 y \u8f74\u4e0a\uff0c\u800c x \u8f74\u4e0a\u663e\u793a\u4e0d\u540c\u7684\u6269\u6563\u65f6\u95f4 t\u3002DDIM \u4f1a\u5728\u6b64\u8bbe\u7f6e\u4e0b\u5bf9\u00a0<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-706632a94fb47cd1bda7cac65f8033b8.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-706632a94fb47cd1bda7cac65f8033b8.png\"><\/a> \u9884\u6d4b\u8d4b\u4e88\u76f8\u7b49\u7684\u6743\u91cd\uff0c\u800c DDPM \u5219\u66f4\u6ce8\u91cd\u5728\u91c7\u6837\u7ed3\u675f\u65f6\u6240\u505a\u7684\u9884\u6d4b\u3002\u53e6\u8bf7\u53c2\u9605\u300aDpm-solver++: Fast solver for guided sampling of diffusion probabilistic models\u300b\u4ee5\u4e86\u89e3\u00a0<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-0a5f6482ca73d36e7733d442669ef0b6.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-0a5f6482ca73d36e7733d442669ef0b6.png\"><\/a>\u4e2d\u8fd9\u4e9b\u6743\u91cd\u7684\u89e3\u6790\u8868\u8fbe\u5f0f\u3002<\/section>\n<section><\/section>\n<section><strong>SDE \u548c ODE \u89c6\u89d2<\/strong><\/section>\n<section><\/section>\n<section>\u524d\u9762\uff0c\u6211\u4eec\u5df2\u7ecf\u89c2\u5bdf\u5230\u6269\u6563\u6a21\u578b\u548c\u6d41\u5339\u914d\u7b97\u6cd5\u4e4b\u95f4\u7684\u7b49\u4ef7\u6027\u3002\u4e0b\u9762\u5c06\u4f7f\u7528 ODE \u548c SDE \u6765\u5f62\u5f0f\u5316\u5730\u63cf\u8ff0\u6b63\u5411\u8fc7\u7a0b\u548c\u91c7\u6837\u7684\u7b49\u4ef7\u6027\uff0c\u4ee5\u5b9e\u73b0\u7406\u8bba\u4e0a\u7684\u5b8c\u6574\u6027\u3002<\/section>\n<section><\/section>\n<section><strong>\u6269\u6563\u6a21\u578b<\/strong><\/section>\n<section><\/section>\n<section>\u6269\u6563\u6a21\u578b\u7684\u524d\u5411\u8fc7\u7a0b\u6d89\u53ca\u5230\u968f\u65f6\u95f4\u63a8\u79fb\u9010\u6e10\u7834\u574f\u4e00\u4e2a\u6570\u636e\uff0c\u800c\u8be5\u8fc7\u7a0b\u53ef\u4f7f\u7528\u4ee5\u4e0b\u968f\u673a\u5fae\u5206\u65b9\u7a0b\uff08SDE\uff09\u6765\u63cf\u8ff0\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-8a4a9c41188fc7e2f8417b66c0a952dd.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-8a4a9c41188fc7e2f8417b66c0a952dd.png\"><\/a><\/section>\n<section>\u5176\u4e2d dz \u662f\u65e0\u7a77\u5c0f\u7684\u9ad8\u65af\uff08\u5373\u5e03\u6717\u8fd0\u52a8\uff09\u3002f_t \u548c g_t \u51b3\u5b9a\u4e86\u566a\u58f0\u8c03\u5ea6\u3002\u5176\u751f\u6210\u8fc7\u7a0b\u7531\u524d\u5411\u8fc7\u7a0b\u7684\u9006\u8fc7\u7a0b\u7ed9\u51fa\uff0c\u5176\u516c\u5f0f\u4e3a\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-bf1c010f3149a2643035ea07cf6e704e.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-bf1c010f3149a2643035ea07cf6e704e.png\"><\/a><\/section>\n<section>\u5176\u4e2d \u2207log p_t \u662f\u524d\u5411\u8fc7\u7a0b\u7684\u5206\u6570\u3002<\/section>\n<section><\/section>\n<section>\u8bf7\u6ce8\u610f\uff0c\u8fd9\u91cc\u5f15\u5165\u4e86\u4e00\u4e2a\u9644\u52a0\u53c2\u6570 \u03b7_t\uff0c\u5b83\u63a7\u5236\u7684\u662f\u63a8\u7406\u65f6\u7684\u968f\u673a\u6027\u3002\u8fd9\u4e0e\u4e4b\u524d\u4ecb\u7ecd\u7684\u6405\u52a8\uff08churn\uff09\u53c2\u6570\u6709\u5173\u3002<strong>\u5f53\u79bb\u6563\u5316\u540e\u5411\u8fc7\u7a0b\u65f6\uff0c\u5982\u679c \u03b7_t=0\uff0c\u5219\u662f\u6062\u590d DDIM\uff1b\u5982\u679c \u03b7_t=1\uff0c\u5219\u662f\u6062\u590d DDPM\u3002<\/strong><\/section>\n<section><\/section>\n<section><strong>\u6d41\u5339\u914d<\/strong><\/section>\n<section><\/section>\n<section>\u6d41\u5339\u914d\u4e2d x \u548c \u03b5 \u4e4b\u95f4\u7684\u63d2\u503c\u53ef\u4ee5\u7528\u4ee5\u4e0b\u5e38\u5fae\u5206\u65b9\u7a0b\uff08ODE\uff09\u63cf\u8ff0\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-add8d90d47b27b84ea958da7261fe094.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-add8d90d47b27b84ea958da7261fe094.png\"><\/a><\/section>\n<section>\u5047\u8bbe\u8be5\u63d2\u503c\u4e3a <a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-72273a3ca49119fd3e8f1e5b619aa9e2.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-72273a3ca49119fd3e8f1e5b619aa9e2.png\"><\/a><\/section>\n<section>\u5176\u751f\u6210\u8fc7\u7a0b\u53ea\u662f\u5728\u65f6\u95f4\u4e0a\u53cd\u8f6c\u8fd9\u4e2a ODE\uff0c\u5e76\u5c06 u_t \u66ff\u6362\u4e3a\u5176\u5bf9 z_t \u7684\u6761\u4ef6\u671f\u671b\u3002\u8fd9\u662f\u968f\u673a\u63d2\u503c\uff08stochastic interpolants\uff09\u7684\u4e00\u4e2a\u7279\u4f8b \u2014\u2014 \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5b83\u53ef\u4ee5\u6cdb\u5316\u6210 SDE\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-534230c27a0b1ac82212f971fc5a16f5.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-534230c27a0b1ac82212f971fc5a16f5.png\"><\/a><\/section>\n<section>\u5176\u4e2d \u03b5_t \u63a7\u5236\u7740\u63a8\u7406\u65f6\u7684\u968f\u673a\u6027\u3002<\/section>\n<section><\/section>\n<section><strong>\u4e24\u4e2a\u6846\u67b6\u7684\u7b49\u4ef7\u6027<\/strong><\/section>\n<section><\/section>\n<section>\u8fd9\u4e24\u4e2a\u6846\u67b6\u90fd\u5206\u522b\u7531\u4e09\u4e2a\u8d85\u53c2\u6570\u5b9a\u4e49\uff1a\u6269\u6563\u7684\u4e09\u4e2a\u53c2\u6570\u662f f_t\u3001g_t\u3001\u03b7_t\uff0c\u800c\u6d41\u5339\u914d\u7684\u4e09\u4e2a\u53c2\u6570\u662f \u03b1_t\u3001\u03c3_t\u3001\u03b5_t\u3002<strong>\u901a\u8fc7\u4ece\u4e00\u7ec4\u8d85\u53c2\u6570\u63a8\u5bfc\u5f97\u5230\u53e6\u4e00\u7ec4\u8d85\u53c2\u6570\uff0c\u53ef\u4ee5\u663e\u793a\u8fd9\u4e24\u7ec4\u8d85\u53c2\u6570\u7684\u7b49\u4ef7\u6027\u3002<\/strong>\u4ece\u6269\u6563\u5230\u6d41\u5339\u914d\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-08794627d55bf162d8f5b40bd7e275f4.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-08794627d55bf162d8f5b40bd7e275f4.png\"><\/a><\/section>\n<section>\u4ece\u6d41\u5339\u914d\u5230\u6269\u6563\uff1a<\/section>\n<section><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-18270950fc14f041adde0b04114988b1.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/12\/frc-18270950fc14f041adde0b04114988b1.png\"><\/a><\/section>\n<section>\u603b\u4e4b\uff0c<strong>\u9664\u4e86\u8bad\u7ec3\u8003\u8651\u548c\u91c7\u6837\u5668\u9009\u62e9\u4e4b\u5916\uff0c\u6269\u6563\u548c\u9ad8\u65af\u6d41\u5339\u914d\u6ca1\u6709\u6839\u672c\u533a\u522b<\/strong>\u3002<\/section>\n<section><\/section>\n<section><strong>\u7ed3\u8bed<\/strong><\/section>\n<section><\/section>\n<section>\u8bfb\u5230\u8fd9\u91cc\uff0c\u60f3\u5fc5\u4f60\u5df2\u7ecf\u7406\u89e3\u4e86\u6269\u6563\u6a21\u578b\u548c\u9ad8\u65af\u6d41\u5339\u914d\u7684\u7b49\u4ef7\u6027\u3002\u4e0d\u8fc7\uff0c\u6587\u4e2d\u91cd\u70b9\u4ecb\u7ecd\u7684\u662f\u6d41\u5339\u914d\u4e3a\u8be5\u9886\u57df\u5e26\u6765\u7684\u4e24\u4e2a\u65b0\u6a21\u578b\u89c4\u8303\uff1a<\/section>\n<section><\/section>\n<ul>\n<li>\n<section>\u7f51\u7edc\u8f93\u51fa\uff1a\u6d41\u5339\u914d\u63d0\u51fa\u4e86\u4e00\u79cd\u7f51\u7edc\u8f93\u51fa\u7684\u5411\u91cf\u573a\u53c2\u6570\u5316\u65b9\u6848\uff0c\u5e76\u4e14\u5176\u4e0d\u540c\u4e8e\u6269\u6563\u6587\u732e\u4e2d\u4f7f\u7528\u7684\u65b9\u6848\u3002\u5f53\u4f7f\u7528\u9ad8\u9636\u91c7\u6837\u5668\u65f6\uff0c\u7f51\u7edc\u8f93\u51fa\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002\u5b83\u4e5f\u53ef\u80fd\u5f71\u54cd\u8bad\u7ec3\u52a8\u6001\u3002<\/section>\n<\/li>\n<li>\n<section>\u91c7\u6837\u566a\u58f0\u8c03\u5ea6\uff1a\u6d41\u5339\u914d\u5229\u7528\u4e86\u7b80\u5355\u7684\u91c7\u6837\u566a\u58f0\u8c03\u5ea6 \u03b1_t = 1-t \u548c \u03c3_t = t\uff0c\u5e76\u4e14\u66f4\u65b0\u89c4\u5219\u4e0e DDIM \u76f8\u540c\u3002<\/section>\n<\/li>\n<\/ul>\n<section><\/section>\n<section>\u8be5\u56e2\u961f\u6700\u540e\u8868\u793a\uff1a\u300c\u5982\u679c\u80fd\u901a\u8fc7\u5b9e\u8bc1\u65b9\u5f0f\u7814\u7a76\u8fd9\u4e24\u4e2a\u6a21\u578b\u89c4\u8303\u5728\u4e0d\u540c\u7684\u771f\u5b9e\u5e94\u7528\u4e2d\u7684\u91cd\u8981\u6027\uff0c\u90a3\u4e00\u5b9a\u4f1a\u5f88\u6709\u8da3\u3002\u6211\u4eec\u5c06\u6b64\u7559\u7ed9\u4e86\u672a\u6765\u7684\u5de5\u4f5c\u3002\u300d<\/section>\n<section><\/section>\n<section><em><sup>\u53c2\u8003\u6587\u732e<\/sup><\/em><\/section>\n<section><sup><br \/><\/sup><\/section>\n<ol>\n<li>\n<section><sup><em>Flow matching for generative modeling<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Lipman, Y., Chen, R.T., Ben-Hamu, H., Nickel, M. and Le, M., 2022. arXiv preprint arXiv:2210.02747.<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Flow straight and fast: Learning to generate and transfer data with rectified flow<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Liu, X., Gong, C. and Liu, Q., 2022. arXiv preprint arXiv:2209.03003.<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Building normalizing flows with stochastic interpolants<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Albergo, M.S. and Vanden-Eijnden, E., 2022. arXiv preprint arXiv:2209.15571.<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Stochastic interpolants: A unifying framework for flows and diffusions<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Albergo, M.S., Boffi, N.M. and Vanden-Eijnden, E., 2023. arXiv preprint arXiv:2303.08797.<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Denoising diffusion implicit models<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Song, J., Meng, C. and Ermon, S., 2020. arXiv preprint arXiv:2010.02502.<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Score-based generative modeling through stochastic differential equations<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Song, Y., Sohl-Dickstein, J., Kingma, D.P., Kumar, A., Ermon, S. and Poole, B., 2020. arXiv preprint arXiv:2011.13456.<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Understanding diffusion objectives as the elbo with simple data augmentation<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Kingma, D. and Gao, R., 2024. Advances in Neural Information Processing Systems, Vol 36.<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Diffusion is spectral autoregression [HTML]<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Dieleman, S., 2024.<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Scaling rectified flow transformers for high-resolution image synthesis<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Esser, P., Kulal, S., Blattmann, A., Entezari, R., Muller, J., Saini, H., Levi, Y., Lorenz, D., Sauer, A., Boesel, F. and others,, 2024. Forty-first International Conference on Machine Learning.<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Elucidating the design space of diffusion-based generative models<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Karras, T., Aittala, M., Aila, T. and Laine, S., 2022. Advances in neural information processing systems, Vol 35, pp. 26565\u201426577.<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Knowledge distillation in iterative generative models for improved sampling speed [PDF]<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Luhman, E. and Luhman, T., 2021. arXiv preprint arXiv:2101.02388.<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Denoising diffusion probabilistic models<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Ho, J., Jain, A. and Abbeel, P., 2020. Advances in neural information processing systems, Vol 33, pp. 6840\u20146851.<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Progressive Distillation for Fast Sampling of Diffusion Models<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Salimans, T. and Ho, J., 2022. International Conference on Learning Representations.<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><sup><em>Dpm-solver++: Fast solver for guided sampling of diffusion probabilistic models<\/em><\/sup><\/section>\n<\/li>\n<li>\n<section><em><sup>Lu, C., Zhou, Y., Bao, F., Chen, J., Li, C. and Zhu, J., 2022. arXiv preprint arXiv:2211.01095.<\/sup><\/em><\/section>\n<\/li>\n<\/ol>\n<p>\u6587\u7ae0\u6765\u6e90\u4e8e\u4e92\u8054\u7f51:<a href=\"https:\/\/www.jiqizhixin.com\/articles\/2024-12-13-3\" target=\"_blank\">\u6269\u6563\u6a21\u578b=\u6d41\u5339\u914d\uff1f\u8c37\u6b4cDeepMind\u535a\u5ba2\u6df1\u5ea6\u8be6\u89e3\u8fd9\u79cd\u60ca\u4eba\u7684\u7b49\u4ef7\u6027<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6765\u6e90\u4e8e\u4e92\u8054\u7f51:\u6269\u6563\u6a21\u578b=\u6d41\u5339\u914d\uff1f\u8c37\u6b4c [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[27],"tags":[],"class_list":["post-37251","post","type-post","status-publish","format-standard","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - 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