{"id":10884,"date":"2026-08-11T02:01:00","date_gmt":"2026-08-10T18:01:00","guid":{"rendered":"https:\/\/infernews.com\/blog\/bidirectional-diffusion-models-that-predict-their-own-rollout-errors-code\/"},"modified":"2026-08-11T02:01:00","modified_gmt":"2026-08-10T18:01:00","slug":"bidirectional-diffusion-models-that-predict-their-own-rollout-errors-code","status":"publish","type":"post","link":"https:\/\/infernews.com\/blog\/bidirectional-diffusion-models-that-predict-their-own-rollout-errors-code\/","title":{"rendered":"round-trip-consistency\uff1a\u96d9\u5411 diffusion \u5e6b\u9577\u5e8f\u5217\u9810\u6e2c\u932f\u8aa4"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/infernews.com\/blog\/wp-content\/uploads\/2026\/08\/pasted-5a88a2933a8a.jpg\" alt=\"Bidirectional round-trip consistency overview\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u9577\u5e8f\u5217 rollout \u6700\u68d8\u624b\u7684\u4f4d\uff0c\u5728\u65bc\u932f\u8aa4\u6703\u4e00\u8def\u7d2f\u7a4d\uff0c\u4f46\u90e8\u7f72\u4e4b\u5f8c\u504f\u504f\u5187\u771f\u503c\u53ef\u4ee5\u5c0d\u7167\u3002<code>round-trip-consistency<\/code> \u91dd\u5c0d\u7684\u6b63\u6b63\u662f\u5462\u500b\u7f3a\u53e3\uff1a\u5b83\u5c6c\u65bc\u4e00\u500b\u7814\u7a76\u578b\u6a21\u578b\u9805\u76ee\uff0c\u7528\u55ae\u4e00 conditional latent diffusion model \u540c\u6642\u5411\u524d\u3001\u5411\u5f8c\u63a8\u6f14 dynamical system\uff0c\u7136\u5f8c\u7528\u4f86\u56de\u4e00\u6b21\u5605\u843d\u9ede\u5dee\u8ddd <code>round-trip consistency<\/code> \u7576\u6210\u81ea\u76e3\u7763\u8aa4\u5dee\u8a0a\u865f\uff0c\u5224\u65b7\u7576\u524d\u9810\u6e2c\u4ef2\u503c\u5514\u503c\u5f97\u4fe1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u6bd4\u9760 ensemble\u3001\u5916\u90e8\u89c0\u6e2c\u3001\u4fdd\u7559\u6e2c\u8a66\u8cc7\u6599\uff0c\u751a\u81f3\u4f9d\u8cf4 governing equations \u53bb\u4f30\u53ef\u4fe1\u5ea6\uff0c\u5462\u500b\u505a\u6cd5\u5605\u53d6\u6368\u5e7e\u76f4\u63a5\uff1a\u4ee3\u50f9\u4fc2\u591a\u505a\u4e00\u6b21\u53cd\u5411 rollout\uff0c\u63db\u4f86\u5514\u9700\u8981\u984d\u5916\u771f\u503c\u3002\u6a21\u578b\u95dc\u4fc2\u4ea6\u5514\u8907\u96dc\uff0c\u9ad8\u7dad\u8f38\u5165\u5148\u7d93 VAE \u58d3\u5230 latent space\uff0c\u518d\u7531\u540c\u4e00\u500b bidirectional latent diffusion model \u914d\u5408 direction flag \u505a forward \u6216 backward rollout\uff0c\u6240\u4ee5 backward \u4e0d\u53ea\u662f\u6aa2\u67e5\u5de5\u5177\uff0c\u4ea6\u9806\u624b\u8b8a\u6210 inverse solver\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73fe\u6709\u8cc7\u6599\u5df2\u7d93\u8b1b\u6e05\u695a\u5b83\u8f03\u9069\u5408\u9ede\u6a23\u7406\u89e3\u548c\u6e2c\u8a66\uff1a\u91cd\u9ede\u5514\u4fc2\u5373\u88dd\u5373\u7528\u5605\u61c9\u7528\u4ecb\u9762\uff0c\u800c\u4fc2\u8ddf\u96a8\u8ad6\u6587\u8207\u7a0b\u5f0f\u78bc\u91cd\u73fe rollout\u3001\u8a08\u7b97 C_i(Confidence Interval)\uff0c\u518d\u89c0\u5bdf\u5b83\u540c\u771f\u5be6 rollout error \u5605\u95dc\u4fc2\u3002\u5c0d\u505a\u79d1\u5b78\u6a21\u64ec\u3001\u6642\u5e8f\u751f\u6210\u3001\u7269\u7406\u5834\u9810\u6e2c\uff0c\u6216\u8005\u60f3\u70ba autoregressive generative model \u52a0\u4e00\u5c64 test-time trust signal \u5605\u7814\u7a76\u5718\u968a\uff0c\u5462\u985e\u65b9\u6cd5\u6bd4\u55ae\u7d14\u770b\u6b65\u6578\u6df1\u5ea6\u66f4\u6709\u53c3\u8003\u50f9\u503c\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7528 forward \u518d backward \u5605\u5dee\u8ddd\u4f5c\u70ba\u7121\u9700\u91cf\u6e2c\u5605 test-time error signal<\/li>\n<li>\u540c\u4e00\u500b bidirectional diffusion model \u5305\u8fa6\u96d9\u65b9\u5411\u63a8\u6f14\uff0c\u8a13\u7df4\u6210\u672c\u5187\u56e0\u96d9\u5411\u8a2d\u8a08\u800c\u4e0a\u5347<\/li>\n<li>\u5728 MHD\u3001turbulent Navier-Stokes \u540c CelebV-HQ \u5462\u985e\u8cc7\u6599\u4e0a\u9a57\u8b49\uff0c\u8986\u84cb\u7269\u7406\u5834\u8207\u5f71\u50cf\u5e8f\u5217<\/li>\n<li>\u53ef\u7528\u4f86\u505a error ranking\u3001OOD flags \u540c selective prediction\uff0c\u800c\u5514\u6b62\u4fc2\u751f\u6210\u7d50\u679c\u672c\u8eab<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d50\u679c <code>C_i<\/code> \u5728 held-out MHD trajectory \u8207 rollout error \u6709\u9ad8\u76f8\u95dc\uff0c\u56fa\u5b9a\u6df1\u5ea6\u4e0b Spearman \u53ef\u9054 0.91 \u81f3 0.98\uff1b\u9762\u5c0d out-of-distribution \u7684 Orszag-Tang vortex\uff0cAUROC \u9054 0.98\uff0c\u5230 depth 10 \u53bb\u5230 1.0\u3002\u5b83\u4ea6\u80fd\u5728 80% coverage \u4e0b\u5c07 incurred error \u964d\u4f4e 15%\uff0c\u800c\u5728 LE-PDE-UQ \u7684 benchmark\uff0c\u4e00\u500b bidirectional model \u5df2\u63a5\u8fd1\u5341\u6a21\u578b ensemble \u5605\u6c34\u4f4d\uff0c\u8a13\u7df4\u6210\u672c\u53ea\u4fc2\u5341\u5206\u4e4b\u4e00\u3002\u4e0d\u904e\u5462\u500b\u9805\u76ee\u4ecd\u7136\u504f\u7814\u7a76\u539f\u578b\uff0c\u50f9\u503c\u6700\u5927\u5605\u5834\u666f\u4fc2\u66ff\u9577 rollout \u6a21\u578b\u88dc\u4e0a\u300c\u5e7e\u6642\u61c9\u8a72\u505c\u3001\u5e7e\u6642\u53ef\u4ee5\u4fe1\u300d\u5462\u500b\u5224\u65b7\u5c64\uff0c\u800c\u5514\u4fc2\u5373\u6642\u63d0\u4f9b\u5b8c\u6574\u7522\u54c1\u5316\u6d41\u7a0b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/alexscheinker.github.io\/roundtrip.html\" rel=\"noopener noreferrer\"><strong>\u9805\u76ee\u4e3b\u9801<\/strong><\/a> \u00b7 <a href=\"https:\/\/github.com\/alexscheinker\/round-trip-consistency\" rel=\"noopener noreferrer\"><strong>GitHub<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9047\u4e0a\u9577\u6b65\u6578 rollout\uff0c\u6700\u96e3\u4e0d\u662f\u751f\u6210\u4e0b\u4e00\u6b65\uff0c\u800c\u662f\u77e5\u9053\u5e7e\u6642\u958b\u59cb\u5514\u53ef\u4fe1\u3002round-trip-consistency \u7528\u4e00\u6b21\u4f86\u56de\u63a8\u6f14\uff0c\u76f4\u63a5\u4f30\u8a08\u6a21\u578b\u7576\u4e0b\u8aa4\u5dee\u3002<\/p>\n","protected":false},"author":8,"featured_media":10883,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ai_generated_summary":"","footnotes":""},"categories":[133,150,199,210],"tags":[],"class_list":["post-10884","post","type-post","status-publish","format-standard","hentry","category-133","category-150","category-dataset-","category-worldactionmodel"],"_links":{"self":[{"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/posts\/10884","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/comments?post=10884"}],"version-history":[{"count":0,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/posts\/10884\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/media\/10883"}],"wp:attachment":[{"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/media?parent=10884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/categories?post=10884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/tags?post=10884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}