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<\/p>\n

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\u611f\u77e5\u7cfb\u7edf\u8106\u5f31\u6027\u7684\u6839\u6e90\uff0c\u7f3a\u5931OOD\u80fd\u529b<\/p>\n

\u76ee\u524d\uff0c\u65e0\u4eba\u9a7e\u9a76\u4eff\u771f\u7cfb\u7edf\u662f\u9762\u5411corner case\u7684\u89e3\u51b3\u65b9\u6848\u4e4b\u4e00\u3002\u4ece\u4eba\u5de5\u667a\u80fd\u7814\u7a76\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u8fd9\u79cd\u4eff\u771f\u7cfb\u7edf\u5904\u7406\u51b3\u7b56\u5c42\u9762\u7684corner case\u8f83\u4e3a\u5bb9\u6613\uff0c\u4f46\u5f88\u96be\u89e3\u51b3\u611f\u77e5\u5c42\u9762\u7684corner case\u3002\u8fd9\u53d6\u51b3\u4e8e\u4eff\u771f\u6280\u672f\u7684\u903c\u771f\u7a0b\u5ea6\uff0c\u5373\u6240\u4eff\u7684\u611f\u77e5\u5c42\u9762\u6570\u636e\u548c\u5728\u771f\u5b9e\u4e16\u754c\u91cc\u770b\u5230\u7684corner case\u6570\u636e\u662f\u5426\u903c\u8fd1\u3002<\/p>\n

\u300c\u73b0\u5728\u7684\u611f\u77e5\u7cfb\u7edf\u8106\u5f31\u6027\u5f88\u5f3a\uff0c\u5982\u679c\u4e0d\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6574\u4e2a\u7cfb\u7edf\u7684\u5b89\u5168\u90fd\u4f1a\u88ab\u5f71\u54cd\u3002\u300d\u5d14\u9e4f\u8ba4\u4e3a\uff0c\u611f\u77e5\u7cfb\u7edf\u8106\u5f31\u6027\u7684\u6839\u6e90\u662f\u5206\u5e03\u5916\u6cdb\u5316\u80fd\u529b\uff08Out-Of-Distribution, OOD\uff09\u7684\u7f3a\u5931\u3002<\/p>\n

\u7ecf\u5178\u7684\u673a\u5668\u5b66\u4e60\u65b9\u6cd5\u57fa\u4e8ei.i.d.\u5047\u8bbe\uff0c\u8bad\u7ec3\u548c\u6d4b\u8bd5\u6570\u636e\u662f\u72ec\u7acb\u540c\u5206\u5e03\u7684\u3002\u7136\u800c\uff0c\u5728\u771f\u5b9e\u573a\u666f\u4e2d\uff0c\u6d4b\u8bd5\u65f6\u548c\u8bad\u7ec3\u65f6\u7684\u6570\u636e\u5206\u5e03\u5f80\u5f80\u5e76\u975e\u4fdd\u6301\u4e00\u81f4\uff0ci.i.d.\u5047\u8bbe\u5f97\u4e0d\u5230\u6ee1\u8db3\uff0c\u5c31\u5f88\u96be\u4fdd\u8bc1\u7cfb\u7edf\u6027\u80fd\uff0c\u9700\u8981\u9762\u4e34\u5206\u5e03\u5916\u6cdb\u5316\u7684\u95ee\u9898\u3002<\/p>\n

<\/p>\n

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\u56e0\u6b64\uff0c\u4ed6\u6307\u51fa\uff0c\u63d0\u5347\u81ea\u52a8\u9a7e\u9a76\u7b97\u6cd5\u5b89\u5168\u7684\u91cd\u8981\u6280\u672f\u9014\u5f84\u662f\uff1a\u63d0\u5347\u81ea\u52a8\u9a7e\u9a76\u4eba\u5de5\u667a\u80fd\u7b97\u6cd5\u7684OOD\u80fd\u529b\u3002<\/p>\n

OOD\u6cdb\u5316\u7684\u4e24\u6761\u8def\uff1a\u300c\u4ee5\u4e0d\u53d8\u5e94\u4e07\u53d8\u300d<\/p>\n

\u6839\u636e\u5d14\u9e4f\u7684\u4ecb\u7ecd\uff0cOOD\u53ef\u5206\u4e3a\u4e24\u79cd\u60c5\u51b5\u3002\u5982\u679c\u6d4b\u8bd5\u6570\u636e\u5206\u5e03\u5df2\u77e5\uff08\u6216\u90e8\u5206\u5df2\u77e5\uff09\uff0c\u4e3aOOD\u81ea\u9002\u5e94\uff08OOD Adaptation\uff09\uff1b\u5982\u679c\u6d4b\u8bd5\u6570\u636e\u5206\u5e03\u5b8c\u5168\u672a\u77e5\uff0c\u624d\u662fOOD\u6cdb\u5316\uff08OOD Generalization\uff09\u3002<\/p>\n

\u800cOOD\u6cdb\u5316\u53c8\u548c\u4f20\u7edf\u673a\u5668\u5b66\u4e60\u7684\u6cdb\u5316\u5b58\u5728\u5dee\u522b\uff0c\u540e\u8005\u662f\u300c\u5185\u63d2\u300d\u95ee\u9898\uff0cOOD\u6cdb\u5316\u5219\u66f4\u591a\u662f\u300c\u5916\u63d2\u300d\u95ee\u9898\u3002<\/p>\n

\u5d14\u9e4f\u8868\u793a\uff0c\u5916\u63d2\u7684\u57fa\u7840\u662f\u4e0d\u53d8\u6027\uff08Invariance\uff09\uff0c\u53ea\u6709\u627e\u5230\u4e0d\u53d8\u6027\uff0c\u624d\u80fd\u591f\u4ee5\u4e0d\u53d8\u5e94\u4e07\u53d8\u3002\u4e3a\u6b64\uff0c\u5176\u56f4\u7ed5\u4e24\u6761\u6280\u672f\u8def\u5f84\u6765\u505a\u63a2\u7d22\uff1a\u56e0\u679c\u63a8\u7406\u548c\u4ece\u5f02\u8d28\u6027\u4e2d\u627e\u5230\u4e0d\u53d8\u673a\u5236\u3002<\/p>\n

<\/p>\n

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\u300c\u6cbf\u9014\u4e0b\u86cb\u300d\u7684\u89e3\u51b3\u65b9\u6848<\/p>\n

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