{"id":10042,"date":"2026-07-09T02:12:10","date_gmt":"2026-07-08T18:12:10","guid":{"rendered":"https:\/\/infernews.com\/blog\/rank-then-act\/"},"modified":"2026-07-09T02:12:10","modified_gmt":"2026-07-08T18:12:10","slug":"rank-then-act","status":"publish","type":"post","link":"https:\/\/infernews.com\/blog\/rank-then-act\/","title":{"rendered":"Rank-Then-Act \u9ede\u6a23\u7528\u5f71\u7247\u5b78\u51fa\u734e\u52f5"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/infernews.com\/blog\/wp-content\/uploads\/2026\/07\/method.jpg\" alt=\"Screenshot\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u505a\u5f37\u5316\u5b78\u7fd2\u6700\u9ebb\u7169\u7684\u5730\u65b9\uff0c\u5f80\u5f80\u4e0d\u662f\u8a13\u7df4\u672c\u8eab\uff0c\u800c\u662f\u6839\u672c\u5187\u4e00\u500b\u597d\u7528\u7684 reward function\u3002Rank-Then-Act \u91dd\u5c0d\u7684\u6b63\u6b63\u662f\u9019\u500b\u7f3a\u53e3\uff1a\u5b83\u5c6c\u65bc\u4e00\u500b\u4ee5 Vision-Language Model (VLM) \u70ba\u6838\u5fc3\u7684\u5f37\u5316\u5b78\u7fd2\u6846\u67b6\uff0c\u76ee\u6a19\u662f\u5728\u6c92\u6709\u74b0\u5883\u734e\u52f5\u7684\u60c5\u6cc1\u4e0b\uff0c\u5f9e\u793a\u7bc4\u5f71\u7247\u63a8\u56de\u4efb\u52d9\u9032\u5ea6\uff0c\u518d\u628a\u9019\u7a2e\u9032\u5ea6\u611f\u8b8a\u6210 agent \u53ef\u5b78\u7fd2\u7684 dense reward\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u985e\u65b9\u6cd5\u5f88\u591a\u6642\u6703\u76f4\u63a5\u5b78\u4e00\u500b scalar reward\uff0c\u6216\u8005\u9810\u6e2c\u6210\u529f\u8207\u5426\uff0c\u4f46\u4f5c\u8005\u523b\u610f\u907f\u958b\u9019\u689d\u8def\u3002RTA \u5148\u7528 GRPO \u5fae\u8abf VLM\uff0c\u8981\u6c42\u6a21\u578b\u5728\u6253\u4e82\u6b21\u5e8f\u7684\u756b\u9762\u5e8f\u5217\u4e2d\u4f30\u8a08 task-completion \u767e\u5206\u6bd4\u8207\u6392\u5e8f\uff0c\u518d\u7528 VOC \u9019\u500b rank-correlation reward \u53bb\u7d04\u675f\u6a21\u578b\u771f\u7684\u7406\u89e3\u6642\u9593\u9032\u5c55\uff0c\u800c\u4e0d\u662f\u5077\u770b\u7d55\u5c0d\u6642\u9593\u7dda\u7d22\uff1b\u4e4b\u5f8c\u5728\u7b2c\u4e8c\u968e\u6bb5\uff0c\u7cfb\u7d71\u4e0d\u662f\u76f4\u63a5\u8f38\u51fa\u5206\u6578\u7576 reward\uff0c\u800c\u662f\u7528 Spearman rank correlation \u6bd4\u8f03\u9810\u6e2c\u9032\u5ea6\u6392\u5e8f\u8207\u771f\u5be6\u6642\u9593\u7d22\u5f15\uff0c\u5f97\u5230\u4e00\u500b bounded\u3001scale-invariant \u7684\u5b78\u7fd2\u8a0a\u865f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u7a2e\u53d6\u5411\u7684\u597d\u8655\uff0c\u662f reward \u8f03\u4e0d\u5bb9\u6613\u56e0\u5c3a\u5ea6\u6f02\u79fb\u800c\u5931\u771f\uff0c\u4ea6\u8f03\u6709\u6a5f\u6703\u8de8\u4efb\u52d9\u91cd\u7528\u540c\u4e00\u500b progress scorer\u3002\u73fe\u6709\u8cc7\u6599\u6307\u51fa\uff0c\u5b83\u5728\u96e2\u6563\u74b0\u5883\u5982 PyBoy \u4e0a\u7684 Catrap\u3001Kirby\uff0c\u4ee5\u53ca\u9023\u7e8c\u63a7\u5236\u74b0\u5883\u5982 MetaWorld\u3001PointMaze \u90fd\u6709\u4e0d\u932f\u8868\u73fe\uff0c\u5c0d unseen tasks \u4ea6\u6709\u6cdb\u5316\u80fd\u529b\uff1b\u4e0d\u904e\u9019\u4ecd\u7136\u662f\u7814\u7a76\u578b\u9805\u76ee\uff0c\u91cd\u9ede\u5728\u65b9\u6cd5\u9a57\u8b49\uff0c\u672a\u7b97\u662f\u5373\u88dd\u5373\u7528\u7684\u6210\u54c1\u5de5\u5177\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u91cd\u9ede\u4e0d\u662f\u76f4\u63a5\u9810\u6e2c\u5206\u6578\uff0c\u800c\u662f\u5148\u5b78\u6703\u5224\u65b7\u756b\u9762\u9032\u5ea6\u6392\u5e8f<\/li>\n<li>\u7b2c\u4e00\u968e\u6bb5\u7528 GRPO \u8a13\u7df4 VLM\uff0c\u7b2c\u4e8c\u968e\u6bb5\u7528 PPO \u8a13\u7df4\u7b56\u7565<\/li>\n<li>reward \u4f86\u81ea VOC \u8207 Spearman rank correlation\uff0c\u8a0a\u865f\u7bc4\u570d\u56fa\u5b9a\u5728\u53ef\u63a7\u5340\u9593<\/li>\n<li>\u5df2\u8986\u84cb Game Boy \u6a21\u64ec\u5668 PyBoy \u8207 MetaWorld \u9019\u985e\u4e0d\u540c\u63a7\u5236\u5834\u666f<\/li>\n<li>\u9700\u8981 Python 3.10+\u3001CUDA GPU\uff0c\u7b2c\u4e8c\u968e\u6bb5\u9084\u8981 xvfb\u3001ROM \u8207 save state<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7406\u89e3\u548c\u6e2c\u8a66\u9019\u500b\u9805\u76ee\uff0c\u6700\u5408\u7406\u7684\u65b9\u5f0f\u4e0d\u662f\u628a\u5b83\u7576\u666e\u901a\u5957\u4ef6\u5b89\u88dd\uff0c\u800c\u662f\u7576\u6210\u5169\u968e\u6bb5\u5be6\u9a57\u6d41\u7a0b\u4f86\u770b\uff1a\u5148\u5728 <code>stage1<\/code> \u7528 gameplay videos \u8a13\u7df4 progress scorer\uff0c\u518d\u5230 <code>stage2<\/code> \u628a\u8a72\u6a21\u578b\u51cd\u7d50\u6210 reward model\uff0c\u653e\u9032 PPO \u8a13\u7df4\u6d41\u7a0b\u3002\u5132\u5b58\u5eab\u5df2\u628a\u8cc7\u6599\u8655\u7406\u3001Hydra \u8a2d\u5b9a\u3001\u591a GPU \u914d\u7f6e\u3001PyBoy \u5305\u88dd\u5668\u8207 VOC \u8a08\u7b97\u5206\u958b\u6574\u7406\u597d\uff0c\u9069\u5408\u7814\u7a76\u5718\u968a\u3001\u505a video-based RL \u7684\u4eba\uff0c\u6216\u8005\u60f3\u6bd4\u8f03 ordinal reward \u8207 scalar reward \u5dee\u7570\u7684\u8b80\u8005\u6df1\u5165\u8ffd\u8e64\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/corl-team.github.io\/rank-then-act\/\" rel=\"noopener noreferrer\" target=\"_blank\"><strong>\u9805\u76ee\u4e3b\u9801<\/strong><\/a> \u00b7 <a href=\"https:\/\/github.com\/corl-team\/rank-then-act\" rel=\"noopener noreferrer\" target=\"_blank\"><strong>GitHub<\/strong><\/a> \u00b7 <a href=\"https:\/\/arxiv.org\/pdf\/2607.01897\" rel=\"noopener noreferrer\" target=\"_blank\"><strong>Paper<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u60f3\u50cf\u4f60\u53ea\u5f97\u793a\u7bc4\u5f71\u7247\u3001\u5187\u73fe\u6210 reward function\uff0cRank-Then-Act \u5c31\u4fc2\u91dd\u5c0d\u5462\u500b\u5361\u4f4d\u800c\u4f86\u3002\u5b83\u5148\u5b78\u6703\u5224\u65b7\u9032\u5ea6\uff0c\u518d\u628a\u6b21\u5e8f\u611f\u8f49\u6210\u5f37\u5316\u5b78\u7fd2\u53ef\u7528\u7684\u8a0a\u865f\u3002<\/p>\n","protected":false},"author":8,"featured_media":10041,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ai_generated_summary":"","footnotes":""},"categories":[133,179,116,31,152,119,127,149],"tags":[],"class_list":["post-10042","post","type-post","status-publish","format-standard","hentry","category-133","category-nvidia","category-agentic","category-video","category-python","category-119","category-127","category-149"],"_links":{"self":[{"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/posts\/10042","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=10042"}],"version-history":[{"count":0,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/posts\/10042\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/media\/10041"}],"wp:attachment":[{"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/media?parent=10042"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/categories?post=10042"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/infernews.com\/blog\/wp-json\/wp\/v2\/tags?post=10042"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}