{"id":33972,"date":"2025-10-24T17:35:23","date_gmt":"2025-10-24T09:35:23","guid":{"rendered":"http:\/\/192.168.10.115\/?p=33972"},"modified":"2025-10-24T17:35:23","modified_gmt":"2025-10-24T09:35:23","slug":"2025-10-24-%e9%99%8d-93%ef%bc%81point-rtd-%e6%8a%8a%e7%82%b9%e4%ba%91%e9%87%8d%e5%bb%ba%e8%af%af%e5%b7%ae%e9%99%8d%e5%88%b0-0-221x10%e2%81%bb%c2%b3%ef%bc%8c%e6%af%94-point-mae-%e7%b2%be%e5%87%86","status":"publish","type":"post","link":"http:\/\/222.128.65.89:18086\/index.php\/2025\/10\/24\/33972\/","title":{"rendered":"2025-10-24 \u964d 93%+\uff01Point-RTD \u628a\u70b9\u4e91\u91cd\u5efa\u8bef\u5dee\u964d\u5230 0.221\u00d710\u207b\u00b3\uff0c\u6bd4 Point-MAE \u7cbe\u51c6 14 \u500d\uff01"},"content":{"rendered":"\n<p>\u539f\u6587\u94fe\u63a5\uff1a<a href=\"https:\/\/mp.weixin.qq.com\/s\/J5iDX-KtVPIXN52CG6Cnsg\">https:\/\/mp.weixin.qq.com\/s\/J5iDX-KtVPIXN52CG6Cnsg<\/a><\/p>\n\n\n\n<p><span style=\"visibility: visible;\">\u8fd9\u7bc7\u6587\u7ae0\u63d0\u51fa\u4e86Point-RTD\uff08Replaced Token Denoising\uff09\uff0c\u4e00\u79cd\u7528\u4e8e\u70b9\u4e91Transformer\u6a21\u578b\u9884\u8bad\u7ec3\u7684\u65b0\u7b56\u7565\uff0c\u65e8\u5728\u901a\u8fc7\u4e00\u79cd\u635f\u574f-\u91cd\u5efa\u6846\u67b6\u63d0\u9ad8\u6a21\u578b\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u70b9\u4e91\u4f5c\u4e3a\u4e00\u79cd\u91cd\u8981\u7684\u6570\u636e\u8868\u793a\u5728\u591a\u4e2a\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\uff0c\u4f46\u56e0\u5176\u975e\u7ed3\u6784\u5316\u7279\u6027\uff0c\u4f7f\u5f97\u57fa\u4e8eTransformer\u7684\u67b6\u6784\u96be\u4ee5\u76f4\u63a5\u5e94\u7528\u3002\u76ee\u524d\u6d41\u884c\u7684\u57fa\u4e8e\u8865\u4e01\u7684\u6a21\u578b\u591a\u91c7\u7528\u63a9\u7801\u81ea\u7f16\u7801\u9884\u8bad\u7ec3\u673a\u5236\uff0c\u4f46\u8fd9\u5e76\u975e\u91cd\u5efa\u70b9\u4e91\u6570\u636e\u7684\u6700\u4f18\u7b56\u7565\u3002Point-RTD\u5c06\u66ff\u6362\u4ee4\u724c\u53bb\u566a\u7684\u6982\u5ff5\u6269\u5c55\u5230\u70b9\u4e91\u9886\u57df\uff0c\u901a\u8fc7\u7ed3\u6784\u5316\u7684\u635f\u574f-\u91cd\u5efa\u6846\u67b6\u589e\u5f3a\u4ee4\u724c\u9c81\u68d2\u6027\u548c\u8bed\u4e49\u4e00\u81f4\u6027\u3002\u5176\u5177\u4f53\u65b9\u6cd5\u5305\u62ec\uff1a\u5229\u7528\u6700\u8fdc\u70b9\u91c7\u6837\uff08FPS\uff09\u548ck\u8fd1\u90bb\uff08kNN\uff09\u5c06\u70b9\u4e91\u5206\u5272\u6210\u8865\u4e01\uff0c\u901a\u8fc7mini-PointNet\u5c06\u8f93\u5165\u8865\u4e01\u7f16\u7801\u4e3a\u4ee4\u724c\u5d4c\u5165\uff1b\u5728\u8bad\u7ec3\u65f6\u5bf9\u4ee4\u724c\u5e8f\u5217\u8fdb\u884c\u635f\u574f\uff0c\u91c7\u7528\u4ee4\u724c\u66ff\u6362\u7b56\u7565\uff08\u968f\u673a\u6df7\u5408\u548c\u6700\u8fd1\u90bb\u6df7\u5408\uff09\uff0c\u5e76\u53d1\u73b0\u968f\u673a\u6df7\u5408\u6548\u679c\u66f4\u597d\uff1b\u4f7f\u7528\u5224\u522b\u5668\u8bc6\u522b\u635f\u574f\u6216\u5e72\u51c0\u7684\u4ee4\u724c\uff0c\u751f\u6210\u5668\u5bf9\u635f\u574f\u4ee4\u724c\u8fdb\u884c\u53bb\u566a\uff1b\u5728ShapeNet\u6570\u636e\u96c6\u4e0a\u8fdb\u884c\u9884\u8bad\u7ec3\uff0c\u5e76\u8be6\u7ec6\u7ed9\u51fa\u4e86\u9884\u8bad\u7ec3\u7b97\u6cd5\u3002\u5b9e\u9a8c\u65b9\u9762\uff0c\u5c06Point-RTD\u4e0ePoint-MAE\u5728\u76f8\u540c\u7684\u9884\u8bad\u7ec3\u548c\u5fae\u8c03\u8bbe\u7f6e\u4e0b\u8fdb\u884c\u6bd4\u8f83\u3002\u5728ShapeNet\u6570\u636e\u96c6\u4e0a\uff0cPoint-RTD\u7684\u91cd\u5efa\u8bef\u5dee\uff08\u5012\u89d2\u8ddd\u79bb\uff09\u6bd4Point-MAE\u964d\u4f4e\u4e8693%\u4ee5\u4e0a\uff1b\u5728ModelNet10\u5206\u7c7b\u4efb\u52a1\u4e2d\uff0cPoint-RTD\u8fbe\u5230\u4e8692.73%\u7684\u6700\u9ad8\u5206\u7c7b\u51c6\u786e\u7387\uff0c\u4e14\u6536\u655b\u901f\u5ea6\u66f4\u5feb\uff1b\u5728ModelNet40\u57fa\u51c6\u6d4b\u8bd5\u4e2d\uff0cPoint-RTD\u572810\u7968\u591a\u6570\u673a\u5236\u4e0b\u8fbe\u5230\u4e8694.2%\u7684\u51c6\u786e\u7387\uff0c\u8d85\u8fc7\u6216\u5339\u914d\u4e86\u591a\u4e2a\u5f3a\u5927\u7684\u57fa\u7ebf\u6a21\u578b\u3002\u7814\u7a76\u8868\u660e\uff0cPoint-RTD\u4e0d\u4ec5\u5b66\u4e60\u5230\u4e86\u66f4\u9ad8\u8d28\u91cf\u7684\u7279\u5f81\u548c\u66f4\u5177\u53ef\u8fc1\u79fb\u6027\u7684\u8868\u793a\uff0c\u8fd8\u901a\u8fc7\u4e00\u79cd\u6bd4\u4f20\u7edf\u63a9\u7801\u81ea\u7f16\u7801\u66f4\u5f3a\u7684\u6b63\u5219\u5316\u4fe1\u53f7\uff0c\u63d0\u9ad8\u4e86\u6a21\u578b\u5728\u4e0b\u6e38\u4efb\u52a1\u4e2d\u7684\u6027\u80fd\uff0c\u4e14\u5176\u8bbe\u8ba1\u5177\u6709\u6a21\u578b\u65e0\u5173\u6027\uff0c\u9002\u7528\u4e8e\u672a\u6765\u7684\u6269\u5c55\u548c\u9002\u5e94\u3002<\/span><\/p>\n\n\n\n<p><strong>1. \u8bba\u6587\u4fe1\u606f<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8bba\u6587\u9898\u76ee<\/strong>\uff1aPoint-RTD: Replaced Token Denoising for Pretraining Transformer Models on Point Clouds<\/li>\n\n\n\n<li><strong>\u4f5c\u8005<\/strong>\uff1aGunner Stone, Youngsook Choi, Alireza Tavakkoli, Ankita Shukla<\/li>\n\n\n\n<li><strong>\u4f5c\u8005\u673a\u6784<\/strong>\uff1aDepartment of Computer Science and Engineering, University of Nevada, Reno, USA<\/li>\n\n\n\n<li><strong>\u8bba\u6587\u94fe\u63a5<\/strong>\uff1ahttps:\/\/arxiv.org\/pdf\/2509.17207<\/li>\n<\/ul>\n\n\n\n<p><strong>2. \u6458\u8981<\/strong><\/p>\n\n\n\n<p>\u9884\u8bad\u7ec3\u7b56\u7565\u5728\u63d0\u5347\u57fa\u4e8eTransformer\u7684\u6a21\u578b\u5904\u7406\u4e09\u7ef4\u70b9\u4e91\u4efb\u52a1\u7684\u6027\u80fd\u65b9\u9762\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u63d0\u51fa\u4e86Point-RTD\uff08\u66ff\u6362\u4ee4\u724c\u53bb\u566a\uff09\uff0c\u8fd9\u662f\u4e00\u79cd\u65b0\u9896\u7684\u9884\u8bad\u7ec3\u7b56\u7565\uff0c\u65e8\u5728\u901a\u8fc7\u4e00\u79cd\u635f\u574f-\u91cd\u5efa\u6846\u67b6\u6765\u63d0\u9ad8\u4ee4\u724c\u7684\u9c81\u68d2\u6027\u3002\u4e0e\u4f20\u7edf\u7684\u57fa\u4e8e\u63a9\u7801\u7684\u91cd\u5efa\u4efb\u52a1\uff08\u9690\u85cf\u6570\u636e\u7247\u6bb5\u4ee5\u4f9b\u540e\u7eed\u9884\u6d4b\uff09\u4e0d\u540c\uff0cPoint-RTD\u4f1a\u635f\u574f\u70b9\u4e91\u4ee4\u724c\uff0c\u5e76\u5229\u7528\u5224\u522b\u5668-\u751f\u6210\u5668\u67b6\u6784\u8fdb\u884c\u53bb\u566a\u3002\u8fd9\u79cd\u8f6c\u53d8\u80fd\u591f\u66f4\u6709\u6548\u5730\u5b66\u4e60\u7ed3\u6784\u5148\u9a8c\u77e5\u8bc6\uff0c\u5e76\u663e\u8457\u63d0\u5347\u6a21\u578b\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u5728ShapeNet\u6570\u636e\u96c6\u4e0a\uff0c\u4e0ePointMAE\u76f8\u6bd4\uff0cPointRTD\u5c06\u91cd\u5efa\u8bef\u5dee\u964d\u4f4e\u4e8693%\u4ee5\u4e0a\uff0c\u5e76\u4e14\u5728\u6d4b\u8bd5\u96c6\u4e0a\u7684\u5012\u89d2\u8ddd\u79bb\u964d\u4f4e\u4e8614\u500d\u4ee5\u4e0a\u3002\u6211\u4eec\u7684\u65b9\u6cd5\u5728\u6536\u655b\u901f\u5ea6\u4e0a\u66f4\u5feb\uff0c\u5e76\u4e14\u5728ShapeNet\u3001ModelNet10\u548cModelNet40\u57fa\u51c6\u6d4b\u8bd5\u4e2d\u5b9e\u73b0\u4e86\u66f4\u9ad8\u7684\u5206\u7c7b\u51c6\u786e\u7387\uff0c\u5728\u6240\u6709\u60c5\u51b5\u4e0b\u90fd\u660e\u663e\u4f18\u4e8e\u57fa\u7ebfPoint-MAE\u6846\u67b6\u3002\u4ee3\u7801\u53ef\u5728https:\/\/github.com\/GunnerStone\/PointRTD\u83b7\u53d6\u3002<\/p>\n\n\n\n<p><strong>3. \u6548\u679c\u5c55\u793a<\/strong><\/p>\n\n\n\n<p>\u4f7f\u7528\u6211\u4eec\u7684PointRTD\u6a21\u578b\u4eceShapeNet\u7684\u6d4b\u8bd5\u96c6\u8fdb\u884c\u7684\u793a\u4f8b\u91cd\u5efa\u3002\u6bcf\u6b21\u91cd\u5efa\u7684Chamfer\u8ddd\u79bb\u90fd\u4f4e\u4e8e0.221\u00d710\u207b\u00b3\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"452\" height=\"293\" src=\"http:\/\/192.168.10.115\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-60.png\" alt=\"\" class=\"wp-image-33974\" srcset=\"http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-60.png 452w, http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-60-300x194.png 300w\" sizes=\"(max-width: 452px) 100vw, 452px\" \/><\/figure>\n\n\n\n<p><strong>4. \u4e3b\u8981\u8d21\u732e<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63d0\u51faPoint-RTD\uff0c\u4e00\u79cd\u57fa\u4e8e\u66ff\u6362\u4ee4\u724c\u53bb\u566a\u7684\u70b9\u4e91Transformer\u65b0\u578b\u9884\u8bad\u7ec3\u7b56\u7565\uff0c\u4e3a3D\u6570\u636e\u7684\u4ee4\u724c\u5316\u548c\u81ea\u76d1\u7763\u5b66\u4e60\u5f15\u5165\u65b0\u89c6\u89d2\u3002<\/li>\n\n\n\n<li>\u5728\u591a\u4e2a\u77e5\u540d\u70b9\u4e91\u57fa\u51c6\u6570\u636e\u96c6\u4e0a\u8bc4\u4f30Point-RTD\uff0c\u5c55\u793a\u5176\u5728\u9c81\u68d2\u6027\u3001\u6548\u7387\u548c\u51c6\u786e\u6027\u65b9\u9762\u7684\u4f18\u52bf\u3002\u5728ShapeNet\u4e0a\uff0c\u4e0ePointMAE\u76f8\u6bd4\uff0c\u6d4b\u8bd5\u96c6\u4e0a\u7684\u91cd\u5efa\u8bef\u5dee\uff08\u5012\u89d2\u8ddd\u79bb\uff09\u964d\u4f4e\u4e8693%\u4ee5\u4e0a\uff1b\u5728Modelnet10\u4e0a\u6536\u655b\u66f4\u5feb\uff0c\u5728Modelnet40\u4e0a\u5b9e\u73b0\u4e86\u66f4\u9ad8\u7684\u5206\u7c7b\u51c6\u786e\u7387\u3002\u63a8\u8350\u8bfe\u7a0b\uff1a<a href=\"https:\/\/mp.weixin.qq.com\/s?__biz=MzU1MjY4MTA1MQ==&amp;mid=2247700018&amp;idx=5&amp;sn=10748e88f4bcaef74a3d3cf556a91a60&amp;scene=21#wechat_redirect\" target=\"_blank\" rel=\"noreferrer noopener\">\u804a\u4e00\u804a\u7ecf\u5178\u4e09\u7ef4\u70b9\u4e91\u65b9\u6cd5\uff0c\u5305\u62ec\uff1a\u70b9\u4e91\u62fc\u63a5\u3001\u805a\u7c7b\u3001\u8868\u9762\u91cd\u5efa\u3001QT+VTK\u7b49<\/a>\u3002<\/li>\n\n\n\n<li>\u63d0\u51fa\u7684Point-RTD\u6846\u67b6\u91c7\u7528\u4e86\u4e00\u79cd\u65b0\u7684\u8150\u8d25\u673a\u5236\uff0c\u5305\u62ec\u4ee4\u724c\u66ff\u6362\u7b56\u7565\uff0c\u5982\u968f\u673a\u6df7\u5408\u548c\u6700\u8fd1\u90bb\u6df7\u5408\uff0c\u4f5c\u4e3a\u5bf9\u6bd4\u6b63\u5219\u5316\uff0c\u4f7f\u6a21\u578b\u5b66\u4e60\u5230\u66f4\u5177\u5224\u522b\u6027\u548c\u9c81\u68d2\u6027\u7684\u5d4c\u5165\u3002<\/li>\n\n\n\n<li>Point-RTD\u7684\u8bbe\u8ba1\u4e0e\u6a21\u578b\u65e0\u5173\uff0c\u5176\u8150\u8d25\u548c\u53bb\u566a\u7b56\u7565\u53ef\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4efb\u4f55\u57fa\u4e8e\u8865\u4e01\u7684\u70b9\u4e91Transformer\uff0c\u9002\u7528\u4e8e\u672a\u6765\u6269\u5c55\u548c\u6539\u7f16\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>5. \u57fa\u672c\u539f\u7406\u662f\u5565\uff1f<\/strong><\/p>\n\n\n\n<p><strong>1. Point-RTD\u63d0\u51fa\u80cc\u666f<\/strong><\/p>\n\n\n\n<p>Point-RTD\u662f\u4e00\u79cd\u7528\u4e8e\u70b9\u4e91Transformer\u6a21\u578b\u9884\u8bad\u7ec3\u7684\u65b0\u7b56\u7565\u3002\u5728\u70b9\u4e91\u5904\u7406\u4e2d\uff0c\u867d\u7136\u5df2\u6709\u591a\u79cd\u9002\u5e94Transformer\u67b6\u6784\u5904\u7406\u975e\u7ed3\u6784\u5316\u70b9\u4e91\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u4f46\u5e7f\u6cdb\u91c7\u7528\u7684\u57fa\u4e8e\u63a9\u7801\u81ea\u52a8\u7f16\u7801\u7684\u9884\u8bad\u7ec3\u673a\u5236\u5e76\u975e\u91cd\u5efa\u70b9\u4e91\u6570\u636e\u7684\u6700\u4f18\u7b56\u7565\u3002Point-RTD\u5c06\u66ff\u6362\u4ee4\u724c\u53bb\u566a\u7684\u6982\u5ff5\u6269\u5c55\u5230\u70b9\u4e91\u9886\u57df\uff0c\u901a\u8fc7\u7ed3\u6784\u5316\u7684\u635f\u574f-\u91cd\u5efa\u6846\u67b6\u589e\u5f3a\u4ee4\u724c\u9c81\u68d2\u6027\u548c\u8bed\u4e49\u4e00\u81f4\u6027\u3002<\/p>\n\n\n\n<p><strong>2. \u70b9\u4e91\u4ee4\u724c\u5316\u548c\u9884\u5904\u7406<\/strong><\/p>\n\n\n\n<p>Point-RTD\u91c7\u7528\u57fa\u4e8e\u8865\u4e01\u7684\u4ee4\u724c\u5316\u65b9\u6cd5\uff0c\u4e0ePoint-BERT\u548cPoint-MAE\u7c7b\u4f3c\u3002\u5b83\u4f7f\u7528\u6700\u8fdc\u70b9\u91c7\u6837\uff08FPS\uff09\u548ck\u8fd1\u90bb\uff08kNN\uff09\u5c06\u70b9\u4e91\u5206\u5272\u6210\u8865\u4e01\u3002\u8f93\u5165\u8865\u4e01\u5728\u901a\u8fc7mini-PointNet\u5904\u7406\u4e4b\u524d\uff0c\u5148\u901a\u8fc7\u51cf\u53bb\u8865\u4e01\u4e2d\u6bcf\u4e2a\u70b9\u7684\u8d28\u5fc3\u8fdb\u884c\u5f52\u4e00\u5316\uff0cmini-PointNet\u5c06\u5176\u7f16\u7801\u4e3a\u6355\u83b7\u5c40\u90e8\u51e0\u4f55\u7279\u5f81\u7684\u4ee4\u724c\u5d4c\u5165\u3002<\/p>\n\n\n\n<p><strong>3. \u635f\u574f\u673a\u5236<\/strong><\/p>\n\n\n\n<p><strong>\u521d\u59cb\u566a\u58f0\u635f\u574f<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"685\" height=\"61\" src=\"http:\/\/192.168.10.115\/wp-content\/uploads\/2025\/10\/102401.png\" alt=\"\" class=\"wp-image-33975\" style=\"width:894px;height:auto\" srcset=\"http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/102401.png 685w, http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/102401-300x27.png 300w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/><\/figure>\n\n\n\n<p><strong>\u4ee4\u724c\u66ff\u6362\u7b56\u7565<\/strong><\/p>\n\n\n\n<p>\u4e3a\u589e\u5f3a\u6b63\u5219\u5316\u6548\u679c\uff0c\u5f15\u5165\u4ee4\u724c\u66ff\u6362\u7b56\u7565\u3002\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a\u968f\u673a\u6df7\u5408\uff08\u5c06\u635f\u574f\u7684\u4ee4\u724c\u7528\u6279\u6b21\u4e2d\u4e0d\u540c\u6837\u672c\u7684\u968f\u673a\u9009\u62e9\u7684\u4ee4\u724c\u66ff\u6362\uff09\u548c\u6700\u8fd1\u90bb\u6df7\u5408\uff08\u5c06\u635f\u574f\u7684\u4ee4\u724c\u7528\u4e0d\u540c\u7c7b\u4e2d\u6700\u76f8\u4f3c\u6837\u672c\u7684\u4ee4\u724c\u66ff\u6362\uff09\u3002\u968f\u673a\u6df7\u5408\u80fd\u5f15\u5165\u66f4\u591a\u635f\u574f\u6a21\u5f0f\u7684\u591a\u6837\u6027\uff0c\u4f7f\u6a21\u578b\u63a5\u89e6\u66f4\u5e7f\u6cdb\u7684\u7c7b\u95f4\u4ea4\u4e92\uff0c\u7ecf\u9a8c\u4e0a\u8868\u73b0\u66f4\u597d\u3002\u8fd9\u79cd\u635f\u574f\u673a\u5236\u53ef\u89c6\u4e3a\u4ee4\u724c\u7a7a\u95f4\u4e2d\u7684\u5bf9\u6bd4\u6b63\u5219\u5316\uff0c\u901a\u8fc7\u7528\u8bed\u4e49\u4e0d\u4e00\u81f4\u7684\u66ff\u4ee3\u7269\u66ff\u6362\u6709\u610f\u4e49\u7684\u5c40\u90e8\u7ed3\u6784\uff0c\u4f7f\u6a21\u578b\u5728\u53bb\u566a\u76ee\u6807\u4e0b\u5b66\u4e60\uff0c\u5b9e\u73b0\u91cd\u5efa\u9a71\u52a8\u5b66\u4e60\u548c\u9690\u5f0f\u8bed\u4e49\u5206\u79bb\u3002\u635f\u574f\u673a\u5236\u53ef\u5728\u4ee4\u724c\u5d4c\u5165\u5c42\uff08Transformer\u5904\u7406\u524d\uff09\u6216\u4e0a\u4e0b\u6587\u4ee4\u724c\u5c42\uff08Transformer\u5c42\u540e\uff09\u5e94\u7528\uff0c\u5728\u4e0a\u4e0b\u6587\u4ee4\u724c\u5c42\u5e94\u7528\u6548\u679c\u7a0d\u597d\u3002<\/p>\n\n\n\n<p><strong>4. \u5224\u522b\u5668\u548c\u751f\u6210\u5668<\/strong><\/p>\n\n\n\n<p><strong>\u5224\u522b\u5668<\/strong><\/p>\n\n\n\n<p>\u5224\u522b\u5668\u6a21\u578b\u8bc6\u522b\u4ee4\u724c\u662f\u635f\u574f\u7684\u8fd8\u662f\u5e72\u51c0\u7684\u3002\u8bad\u7ec3\u671f\u95f4\uff0c\u4f7f\u7528\u52a0\u6743\u4e8c\u5143\u4ea4\u53c9\u71b5\u635f\u5931\u533a\u5206\u771f\u5047\u4ee4\u724c\uff0c\u63a7\u5236\u8bad\u7ec3\u52a8\u6001\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u751f\u6210\u5668<\/strong><\/h4>\n\n\n\n<p>\u751f\u6210\u5668\u6839\u636e\u5224\u522b\u5668\u7684\u53cd\u9988\u81ea\u56de\u5f52\u5730\u6e05\u7406\u635f\u574f\u7684\u4ee4\u724c\uff0c\u6700\u5c0f\u5316\u6e05\u7406\u540e\u7684\u4ee4\u724c\u548c\u539f\u59cb\u4ee4\u724c\u4e4b\u95f4\u7684\u5747\u65b9\u8bef\u5dee\uff08MSE\uff09\uff0c\u4ee5\u4f18\u5316\u4ee4\u724c\u5d4c\u5165\u7684\u51c6\u786e\u91cd\u5efa\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. \u9884\u8bad\u7ec3\u7b97\u6cd5<\/strong><\/h3>\n\n\n\n<p>\u5728ShapeNet\u6570\u636e\u96c6\u4e0a\u4e0ePoint-MAE\u4e00\u8d77\u8fdb\u884c\u91cd\u5efa\u4efb\u52a1\u7684\u9884\u8bad\u7ec3\u3002\u5c06\u6570\u636e\u96c6\u5206\u4e3a\u8bad\u7ec3\u96c6\u548c\u9a8c\u8bc1\u96c6\uff0c\u4ec5\u4f7f\u7528\u8bad\u7ec3\u96c6\u8fdb\u884c\u9884\u8bad\u7ec3\u3002\u9884\u8bad\u7ec3\u8fc7\u7a0b\u5305\u62ec\u4ee4\u724c\u5316\u3001\u635f\u574f\u3001\u5224\u522b\u3001\u751f\u6210\u548c\u91cd\u5efa\u6b65\u9aa4\uff0c\u603b\u635f\u5931\u7531\u5224\u522b\u5668\u635f\u5931\u3001\u751f\u6210\u5668\u635f\u5931\u548cChamfer\u8ddd\u79bb\u635f\u5931\u7ec4\u6210\uff0c\u6700\u7ec8\u8fd4\u56de\u9884\u8bad\u7ec3\u76ee\u6807\u7684\u603b\u635f\u5931\u548c\u7528\u4e8e\u5fae\u8c03\u7684\u7279\u5f81\u5d4c\u5165\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"948\" height=\"419\" src=\"http:\/\/192.168.10.115\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-61.png\" alt=\"\" class=\"wp-image-33976\" srcset=\"http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-61.png 948w, http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-61-300x133.png 300w, http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-61-768x339.png 768w\" sizes=\"(max-width: 948px) 100vw, 948px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. \u5b9e\u9a8c\u7ed3\u679c<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. \u9884\u8bad\u7ec3\u7ed3\u679c<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Chamfer\u8ddd\u79bb\uff08CD\uff09<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"691\" height=\"84\" src=\"http:\/\/192.168.10.115\/wp-content\/uploads\/2025\/10\/102402.png\" alt=\"\" class=\"wp-image-33977\" style=\"width:892px;height:auto\" srcset=\"http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/102402.png 691w, http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/102402-300x36.png 300w\" sizes=\"(max-width: 691px) 100vw, 691px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u53ef\u89c6\u5316\u5bf9\u6bd4<\/strong><\/h4>\n\n\n\n<p>\u56fe3\u663e\u793a\uff0c\u5728\u4e0d\u540c\u9884\u8bad\u7ec3\u9636\u6bb5\uff0cPoint-RTD\u751f\u6210\u7684\u91cd\u5efa\u7ed3\u679c\u6bd4Point-MAE\u66f4\u5b8c\u6574\u3001\u7ed3\u6784\u66f4\u8fde\u8d2f\uff0c\u4e0eCD\u8d8b\u52bf\u76f8\u7b26\uff0c\u8bc1\u660e\u4e86RTD\u6b63\u5219\u5316\u6280\u672f\u7684\u6709\u6548\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. \u5206\u7c7b\u7ed3\u679c<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>ModelNet10\u6570\u636e\u96c6<\/strong><\/h4>\n\n\n\n<p>\u4f7f\u752810-\u6295\u7968\u591a\u6570\u673a\u5236\u8ba1\u7b97\u5206\u7c7b\u51c6\u786e\u7387\u3002Point-RTD\u6700\u9ad8\u51c6\u786e\u7387\u8fbe92.73%\uff0c\u9ad8\u4e8ePoint-MAE\u768489.76%\u3002Point-RTD\u6536\u655b\u901f\u5ea6\u66f4\u5feb\uff0c\u8bad\u7ec350\u4e2aepoch\u65f6\u51c6\u786e\u7387\u8fbe87.22%\uff0c\u800cPoint-MAE\u4ec5\u4e3a13.66%\uff1b\u8bad\u7ec3150\u4e2aepoch\u65f6\uff0cPoint-RTD\u51c6\u786e\u7387\u8fbe90.20%\uff0c\u5df2\u8d85\u8fc7Point-MAE\u8bad\u7ec3300\u4e2aepoch\u7684\u6700\u7ec8\u51c6\u786e\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. ModelNet40\u6570\u636e\u96c6\u9a8c\u8bc1<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5206\u7c7b\u51c6\u786e\u7387<\/strong><\/h4>\n\n\n\n<p>\u88683\u663e\u793a\uff0cPoint-RTD\u5728ModelNet40\u4e0a\u4f7f\u752810-\u6295\u7968\u591a\u6570\u673a\u5236\u51c6\u786e\u7387\u8fbe94.2%\uff0c\u8d85\u8fc7\u6216\u4e0e\u591a\u4e2a\u5f3a\u5927\u57fa\u7ebf\u6a21\u578b\u76f8\u5f53\u3002\u5176\u7ebf\u6027SVM\u51c6\u786e\u7387\u4e3a93.0%\uff0c\u8868\u660e\u5b66\u4e60\u5230\u7684\u8868\u793a\u5177\u6709\u7ebf\u6027\u53ef\u5206\u6027\u548c\u826f\u597d\u7ed3\u6784\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>t-SNE\u53ef\u89c6\u5316<\/strong><\/h4>\n\n\n\n<p>\u56fe4\u5c55\u793a\u4e86ModelNet40\u6d4b\u8bd5\u96c6\u4e0a\u5b66\u4e60\u5230\u7684\u7279\u5f81\u5d4c\u5165\u7684t-SNE\u53ef\u89c6\u5316\u7ed3\u679c\u3002\u5728\u5d4c\u5165\u7a7a\u95f4\u4e2d\uff0c\u4e00\u4e9b\u5728\u5206\u7c7b\u4efb\u52a1\u4e2d\u5e38\u88ab\u6df7\u6dc6\u7684\u7c7b\u522b\uff08\u5982\u684c\u5b50\u548c\u4e66\u684c\u3001\u68b3\u5986\u53f0\u548c\u5e8a\u5934\u67dc\u7b49\uff09\u9760\u5f97\u5f88\u8fd1\uff0c\u8fd9\u53cd\u6620\u4e86\u6570\u636e\u96c6\u672c\u8eab\u6807\u6ce8\u7684\u6a21\u7cca\u6027\uff0c\u800c\u975e\u6a21\u578b\u9519\u8bef\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. \u5b9e\u9a8c\u8ba8\u8bba<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u6548\u7387\u4f18\u52bf<\/strong><\/h4>\n\n\n\n<p>\u5728\u76f8\u540c\u9884\u8bad\u7ec3\u548c\u5fae\u8c03\u8d85\u53c2\u6570\u4e0b\uff0cPoint-RTD\u4ec5\u970050\u4e2a\u9884\u8bad\u7ec3epoch\uff0c\u6d4b\u8bd5\u51c6\u786e\u7387\u8fbe92.73%\uff0c\u5fae\u8c03\u65f6\u6536\u655b\u66f4\u5feb\uff0c\u51f8\u663e\u4e86\u5176\u9ad8\u6548\u6027\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u6b63\u5219\u5316\u6548\u679c<\/strong><\/h4>\n\n\n\n<p>\u66ff\u6362\u4ee4\u724c\u53bb\u566a\u6bd4\u4f20\u7edf\u63a9\u7801\u81ea\u52a8\u7f16\u7801\u65bd\u52a0\u4e86\u66f4\u5f3a\u7684\u6b63\u5219\u5316\u4fe1\u53f7\uff0c\u80fd\u4fc3\u4f7f\u6a21\u578b\u533a\u5206\u771f\u5b9e\u548c\u635f\u574f\u7684\u4e0a\u4e0b\u6587\uff0c\u589e\u5f3a\u7c7b\u95f4\u8fb9\u754c\u548c\u7279\u5f81\u6cdb\u5316\u80fd\u529b\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u975e\u7ed3\u6784\u53163D\u6570\u636e\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u7ade\u4e89\u529b<\/strong><\/h4>\n\n\n\n<p>\u5728ModelNet40\u57fa\u51c6\u6d4b\u8bd5\u4e2d\uff0cPoint-RTD\u51c6\u786e\u7387\u8fbe94.2%\uff0c\u7ebf\u6027SVM\u6027\u80fd\u826f\u597d\uff0c\u8bc1\u660e\u5176\u4e0d\u4ec5\u9ad8\u6548\uff0c\u800c\u4e14\u5728\u6807\u51c6\u57fa\u51c6\u4e0a\u5177\u6709\u7edd\u5bf9\u51c6\u786e\u6027\u7ade\u4e89\u529b\u3002<\/p>\n\n\n\n<p>Point-RTD\u5728\u591a\u4e2a\u5b9e\u9a8c\u4e2d\u8868\u73b0\u51fa\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u66f4\u9ad8\u7684\u91cd\u5efa\u4fdd\u771f\u5ea6\u548c\u7279\u5f81\u6cdb\u5316\u80fd\u529b<\/li>\n\n\n\n<li>\u66f4\u5feb\u7684\u6536\u655b\u901f\u5ea6\u548c\u66f4\u9ad8\u7684\u5206\u7c7b\u51c6\u786e\u7387<\/li>\n\n\n\n<li>\u66f4\u5f3a\u7684\u6b63\u5219\u5316\u6548\u679c\u548c\u7ebf\u6027\u53ef\u5206\u6027<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"891\" height=\"399\" src=\"http:\/\/192.168.10.115\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-62.png\" alt=\"\" class=\"wp-image-33978\" srcset=\"http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-62.png 891w, http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-62-300x134.png 300w, http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-62-768x344.png 768w\" sizes=\"(max-width: 891px) 100vw, 891px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"427\" height=\"183\" src=\"http:\/\/192.168.10.115\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-63.png\" alt=\"\" class=\"wp-image-33979\" srcset=\"http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-63.png 427w, http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-63-300x129.png 300w\" sizes=\"(max-width: 427px) 100vw, 427px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"427\" height=\"849\" src=\"http:\/\/192.168.10.115\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-64.png\" alt=\"\" class=\"wp-image-33980\" srcset=\"http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-64.png 427w, http:\/\/222.128.65.89:18086\/wp-content\/uploads\/2025\/10\/\u56fe\u7247-64-151x300.png 151w\" sizes=\"(max-width: 427px) 100vw, 427px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7. \u603b\u7ed3 &amp; \u672a\u6765\u5de5\u4f5c<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u603b\u7ed3<\/strong><\/h3>\n\n\n\n<p>\u6211\u4eec\u63d0\u51fa\u4e86 Point-RTD\uff0c\u8fd9\u662f\u4e00\u79cd\u57fa\u4e8e\u53d7\u66ff\u6362\u4ee4\u724c\u53bb\u566a\u542f\u53d1\u7684\u635f\u574f-\u91cd\u5efa\u8303\u5f0f\u7684\u65b0\u578b\u70b9\u4e91\u53d8\u538b\u5668\u9884\u8bad\u7ec3\u6846\u67b6\u3002\u901a\u8fc7\u635f\u574f\u4ee4\u724c\u5e76\u5229\u7528\u751f\u6210\u5668-\u5224\u522b\u5668\u67b6\u6784\u8fdb\u884c\u53bb\u566a\uff0cPoint-RTD \u5b66\u4e60\u7528\u4e8e\u70b9\u4e91\u91cd\u5efa\u7684\u6709\u610f\u4e49\u7684\u6f5c\u5728\u4ee4\u724c\u5d4c\u5165\uff0c\u540c\u65f6\u5bf9\u6f5c\u5728\u7a7a\u95f4\u8fdb\u884c\u6b63\u5219\u5316\uff0c\u4ee5\u63d0\u9ad8\u4e0b\u6e38\u5206\u7c7b\u4efb\u52a1\u7684\u7c7b\u95f4\u7279\u5f81\u53ef\u5206\u79bb\u6027\u3002<\/p>\n\n\n\n<p>\u5728\u672c\u7814\u7a76\u4e2d\uff0c\u6211\u4eec\u4e13\u6ce8\u4e8e\u5728 Point-MAE \u6846\u67b6\u5185\u5e94\u7528 Point-RTD\uff0c\u56e0\u4e3a\u5b83\u5728\u8be5\u9886\u57df\u5177\u6709\u57fa\u7840\u6027\u5730\u4f4d\u548c\u6301\u7eed\u5f71\u54cd\u529b\u3002Point-MAE \u662f\u4e00\u4e2a\u6709\u4ee3\u8868\u6027\u4e14\u6210\u719f\u7684\u57fa\u51c6\uff0c\u4f7f\u6211\u4eec\u80fd\u591f\u6e05\u6670\u5730\u5c55\u793a\u6211\u4eec\u65b9\u6cd5\u7684\u4f18\u52bf\u3002\u7136\u800c\uff0cPoint-RTD \u7684\u8bbe\u8ba1\u4e0e\u6a21\u578b\u65e0\u5173\uff1a\u5176\u635f\u574f\u548c\u53bb\u566a\u7b56\u7565\u5e7f\u6cdb\u9002\u7528\u4e8e\u4efb\u4f55\u57fa\u4e8e\u8865\u4e01\u7684\u70b9\u4e91\u53d8\u538b\u5668\u3002\u9274\u4e8e\u5176\u4e0e\u67b6\u6784\u65e0\u5173\u7684\u8bbe\u8ba1\uff0c\u8be5\u6846\u67b6\u975e\u5e38\u9002\u5408\u672a\u6765\u7684\u6269\u5c55\u548c\u8c03\u6574\u3002<\/p>\n\n\n\n<p>Point-RTD \u4e3a\u901a\u8fc7\u9884\u8bad\u7ec3\u5bf9\u57fa\u4e8e\u53d8\u538b\u5668\u7684\u6a21\u578b\u8fdb\u884c\u6b63\u5219\u5316\u63d0\u4f9b\u4e86\u4e00\u79cd\u6709\u6548\u624b\u6bb5\uff0c\u540c\u65f6\u4e5f\u652f\u6301\u7aef\u5230\u7aef\u8bad\u7ec3\u673a\u5236\u4e2d\u7684\u5f3a\u5927\u6027\u80fd\u3002\u5176\u591a\u529f\u80fd\u6027\u4f7f\u5176\u80fd\u591f\u96c6\u6210\u5230\u5404\u79cd 3D \u89c6\u89c9\u7ba1\u9053\u4e2d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u672a\u6765\u4e0e\u5c55\u671b<\/strong><\/h3>\n\n\n\n<p>\u9274\u4e8e Point-RTD \u4e0e\u67b6\u6784\u65e0\u5173\u7684\u8bbe\u8ba1\uff0c\u8be5\u6846\u67b6\u975e\u5e38\u9002\u5408\u672a\u6765\u7684\u6269\u5c55\u548c\u8c03\u6574\uff0c\u4e14\u5176\u591a\u529f\u80fd\u6027\u4f7f\u5176\u80fd\u591f\u96c6\u6210\u5230\u5404\u79cd 3D \u89c6\u89c9\u7ba1\u9053\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/mp.weixin. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,1],"tags":[],"class_list":["post-33972","post","type-post","status-publish","format-standard","hentry","category-technology-frontier","category-home"],"views":8,"_links":{"self":[{"href":"http:\/\/222.128.65.89:18086\/index.php\/wp-json\/wp\/v2\/posts\/33972"}],"collection":[{"href":"http:\/\/222.128.65.89:18086\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/222.128.65.89:18086\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/222.128.65.89:18086\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/222.128.65.89:18086\/index.php\/wp-json\/wp\/v2\/comments?post=33972"}],"version-history":[{"count":2,"href":"http:\/\/222.128.65.89:18086\/index.php\/wp-json\/wp\/v2\/posts\/33972\/revisions"}],"predecessor-version":[{"id":33981,"href":"http:\/\/222.128.65.89:18086\/index.php\/wp-json\/wp\/v2\/posts\/33972\/revisions\/33981"}],"wp:attachment":[{"href":"http:\/\/222.128.65.89:18086\/index.php\/wp-json\/wp\/v2\/media?parent=33972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/222.128.65.89:18086\/index.php\/wp-json\/wp\/v2\/categories?post=33972"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/222.128.65.89:18086\/index.php\/wp-json\/wp\/v2\/tags?post=33972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}