{"id":1053,"date":"2026-05-14T17:31:51","date_gmt":"2026-05-14T09:31:51","guid":{"rendered":"https:\/\/www.eutaboo.com\/index.php\/2026\/05\/14\/%e3%80%8annu-net-0%e5%9f%ba%e7%a1%80%e5%85%a5%e9%97%a8%ef%bc%885%ef%bc%89%ef%bc%9a%e8%ae%ad%e7%bb%83-nnu-net-v2%ef%bc%8cfold%e3%80%81configuration%e3%80%81checkpoint-%e5%92%8c%e6%97%a5%e5%bf%97\/"},"modified":"2026-05-14T17:31:51","modified_gmt":"2026-05-14T09:31:51","slug":"%e3%80%8annu-net-0%e5%9f%ba%e7%a1%80%e5%85%a5%e9%97%a8%ef%bc%885%ef%bc%89%ef%bc%9a%e8%ae%ad%e7%bb%83-nnu-net-v2%ef%bc%8cfold%e3%80%81configuration%e3%80%81checkpoint-%e5%92%8c%e6%97%a5%e5%bf%97","status":"publish","type":"post","link":"https:\/\/www.eutaboo.com\/index.php\/2026\/05\/14\/%e3%80%8annu-net-0%e5%9f%ba%e7%a1%80%e5%85%a5%e9%97%a8%ef%bc%885%ef%bc%89%ef%bc%9a%e8%ae%ad%e7%bb%83-nnu-net-v2%ef%bc%8cfold%e3%80%81configuration%e3%80%81checkpoint-%e5%92%8c%e6%97%a5%e5%bf%97\/","title":{"rendered":"\u300annU-Net 0\u57fa\u7840\u5165\u95e8\uff085\uff09\uff1a\u8bad\u7ec3 nnU-Net v2\uff0cfold\u3001configuration\u3001checkpoint \u548c\u65e5\u5fd7\u600e\u4e48\u770b\u300b"},"content":{"rendered":"<h2>\u672c\u7bc7\u5b66\u4e60\u76ee\u6807<\/h2>\n<p>\u8fd9\u662f\u300annU-Net 0\u57fa\u7840\u5165\u95e8\u300b\u7cfb\u5217\u7684\u7b2c 5 \u7bc7\u3002\u4e0a\u4e00\u7bc7\u6211\u4eec\u8dd1\u901a\u4e86 plan\u3001preprocess\u3001train\u3001predict \u7684\u4e3b\u6d41\u7a0b\u3002\u672c\u6587\u628a\u8bad\u7ec3\u9636\u6bb5\u62c6\u5f00\u8bb2\u6e05\u695a\uff1afold\u3001configuration\u3001checkpoint \u548c\u65e5\u5fd7\u600e\u4e48\u770b\u3002<\/p>\n<p>\u8bfb\u5b8c\u672c\u6587\uff0c\u4f60\u5e94\u8be5\u80fd\u591f\uff1a<\/p>\n<ol>\n<li>\u7406\u89e3 <code>nnUNetv2_train DATASET CONFIGURATION FOLD<\/code> \u4e09\u4e2a\u6838\u5fc3\u53c2\u6570\u3002<\/li>\n<li>\u77e5\u9053 5-fold cross-validation \u4e3a\u4ec0\u4e48\u91cd\u8981\u3002<\/li>\n<li>\u770b\u61c2\u8bad\u7ec3\u8f93\u51fa\u76ee\u5f55\u3001checkpoint\u3001validation \u7ed3\u679c\u548c <code>progress.png<\/code>\u3002<\/li>\n<li>\u77e5\u9053 <code>--npz<\/code>\u3001<code>--val --npz<\/code>\u3001<code>-device<\/code> \u548c\u591a GPU \u7684\u57fa\u7840\u7528\u6cd5\u3002<\/li>\n<\/ol>\n<h2>1. \u8bad\u7ec3\u547d\u4ee4\u518d\u770b\u4e00\u904d<\/h2>\n<p>\u5b98\u65b9\u8bad\u7ec3\u547d\u4ee4\u7684\u57fa\u672c\u5f62\u5f0f\u662f\uff1a<\/p>\n<pre><code class=\"language-bash\">nnUNetv2_train DATASET_NAME_OR_ID CONFIGURATION FOLD<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-bash\">nnUNetv2_train 1 3d_fullres 0<\/code><\/pre>\n<p>\u8fd9\u4e09\u4e2a\u4f4d\u7f6e\u53c2\u6570\u5206\u522b\u662f\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u53c2\u6570<\/th>\n<th>\u4f8b\u5b50<\/th>\n<th>\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>DATASET_NAME_OR_ID<\/code><\/td>\n<td><code>1<\/code> \u6216 <code>Dataset001_Liver<\/code><\/td>\n<td>\u8981\u8bad\u7ec3\u7684\u6570\u636e\u96c6\u7f16\u53f7\u6216\u540d\u79f0<\/td>\n<\/tr>\n<tr>\n<td><code>CONFIGURATION<\/code><\/td>\n<td><code>2d<\/code>\u3001<code>3d_fullres<\/code><\/td>\n<td>\u8bad\u7ec3\u914d\u7f6e\uff0c\u7531 plan \u9636\u6bb5\u751f\u6210<\/td>\n<\/tr>\n<tr>\n<td><code>FOLD<\/code><\/td>\n<td><code>0<\/code>\u3001<code>1<\/code>\u3001<code>2<\/code>\u3001<code>3<\/code>\u3001<code>4<\/code><\/td>\n<td>\u4ea4\u53c9\u9a8c\u8bc1\u4e2d\u7684 fold \u7f16\u53f7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u521d\u5b66\u8005\u6700\u5e38\u89c1\u7684\u8bef\u89e3\u662f\uff1a\u4ee5\u4e3a\u8bad\u7ec3\u4e00\u6b21 fold 0 \u5c31\u5b8c\u6210\u4e86\u6574\u4e2a nnU-Net \u5b9e\u9a8c\u3002\u5b9e\u9645\u4e0a\uff0cnnU-Net \u7684\u6807\u51c6\u6d41\u7a0b\u901a\u5e38\u4f9d\u8d56 5-fold cross-validation \u6765\u6bd4\u8f83\u914d\u7f6e\u3001\u505a ensemble \u548c\u786e\u5b9a\u540e\u5904\u7406\u3002<\/p>\n<h2>2. fold \u662f\u4ec0\u4e48\uff1a\u4e3a\u4ec0\u4e48\u4e0d\u662f\u53ea\u8bad\u7ec3\u4e00\u6b21<\/h2>\n<p><strong>cross-validation<\/strong> \u4e2d\u6587\u5e38\u8bd1\u4e3a\u4ea4\u53c9\u9a8c\u8bc1\u3002\u5b83\u7684\u6838\u5fc3\u601d\u60f3\u662f\uff1a\u628a\u8bad\u7ec3\u96c6\u5206\u6210\u51e0\u4efd\uff0c\u591a\u6b21\u8bad\u7ec3\u548c\u9a8c\u8bc1\uff0c\u8ba9\u6bcf\u4e2a\u6837\u672c\u90fd\u6709\u673a\u4f1a\u4f5c\u4e3a\u9a8c\u8bc1\u6837\u672c\u3002<\/p>\n<p>nnU-Net \u901a\u5e38\u4f7f\u7528 5-fold\u3002\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u6210\u8fd9\u6837\uff1a<\/p>\n<pre><code class=\"language-mermaid\">flowchart TD\n    A[\u8bad\u7ec3\u96c6] --> B[fold 0: \u7b2c0\u4efd\u505a\u9a8c\u8bc1\uff0c\u5176\u4f59\u505a\u8bad\u7ec3]\n    A --> C[fold 1: \u7b2c1\u4efd\u505a\u9a8c\u8bc1\uff0c\u5176\u4f59\u505a\u8bad\u7ec3]\n    A --> D[fold 2: \u7b2c2\u4efd\u505a\u9a8c\u8bc1\uff0c\u5176\u4f59\u505a\u8bad\u7ec3]\n    A --> E[fold 3: \u7b2c3\u4efd\u505a\u9a8c\u8bc1\uff0c\u5176\u4f59\u505a\u8bad\u7ec3]\n    A --> F[fold 4: \u7b2c4\u4efd\u505a\u9a8c\u8bc1\uff0c\u5176\u4f59\u505a\u8bad\u7ec3]\n    B --> G[\u6c47\u603b\u9a8c\u8bc1\u8868\u73b0]\n    C --> G\n    D --> G\n    E --> G\n    F --> G\n<\/code><\/pre>\n<p>\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\uff1a\u6a21\u578b\u9009\u62e9\u4e0d\u53ea\u4f9d\u8d56\u4e00\u6b21\u968f\u673a\u5212\u5206\uff0c\u66f4\u7a33\u5b9a\uff0c\u4e5f\u80fd\u8ba9\u540e\u7eed\u7684 configuration \u6bd4\u8f83\u548c ensemble \u66f4\u6709\u4f9d\u636e\u3002<\/p>\n<p>\u8bad\u7ec3 5 \u4e2a fold \u7684\u547d\u4ee4\u5f62\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-bash\">nnUNetv2_train 1 3d_fullres 0 --npz\nnnUNetv2_train 1 3d_fullres 1 --npz\nnnUNetv2_train 1 3d_fullres 2 --npz\nnnUNetv2_train 1 3d_fullres 3 --npz\nnnUNetv2_train 1 3d_fullres 4 --npz<\/code><\/pre>\n<p><code>--npz<\/code> \u4f1a\u4fdd\u5b58\u9a8c\u8bc1\u96c6\u7684 softmax \u6982\u7387\u6587\u4ef6\u3002<strong>softmax \u6982\u7387<\/strong>\u6307\u6a21\u578b\u5bf9\u6bcf\u4e2a\u50cf\u7d20\u6216\u4f53\u7d20\u5c5e\u4e8e\u5404\u4e2a\u7c7b\u522b\u7684\u6982\u7387\u3002\u5b98\u65b9\u6587\u6863\u8bf4\u660e\uff0c\u5982\u679c\u540e\u7eed\u8981\u7528 <code>nnUNetv2_find_best_configuration<\/code> \u505a\u81ea\u52a8\u914d\u7f6e\u6bd4\u8f83\u548c ensemble\uff0c\u5e94\u5728\u8bad\u7ec3\u65f6\u52a0 <code>--npz<\/code>\u3002<\/p>\n<h2>3. configuration \u600e\u4e48\u7406\u89e3<\/h2>\n<p><strong>configuration<\/strong> \u662f nnU-Net \u6839\u636e\u6570\u636e\u81ea\u52a8\u751f\u6210\u7684\u8bad\u7ec3\u914d\u7f6e\u3002\u5e38\u89c1\u6709\uff1a<\/p>\n<ul>\n<li><code>2d<\/code>\uff1a\u9002\u5408\u4e00\u4e9b 2D \u6570\u636e\uff0c\u6216\u8005 3D \u6570\u636e\u4e2d\u5c42\u95f4 spacing \u5dee\u5f02\u5f88\u5927\u7684\u60c5\u51b5\u3002<\/li>\n<li><code>3d_fullres<\/code>\uff1a\u5168\u5206\u8fa8\u7387 3D U-Net\uff0c\u662f 3D \u533b\u5b66\u56fe\u50cf\u4e2d\u5e38\u89c1\u914d\u7f6e\u3002<\/li>\n<li><code>3d_lowres<\/code>\uff1a\u4f4e\u5206\u8fa8\u7387 3D U-Net\uff0c\u7528\u66f4\u4f4e\u5206\u8fa8\u7387\u83b7\u5f97\u66f4\u5927\u4e0a\u4e0b\u6587\u3002<\/li>\n<li><code>3d_cascade_fullres<\/code>\uff1a\u7ea7\u8054\u5168\u5206\u8fa8\u7387\u6a21\u578b\uff0c\u901a\u5e38\u4f9d\u8d56\u4f4e\u5206\u8fa8\u7387\u6a21\u578b\u5148\u5b8c\u6210\u7c97\u5206\u5272\u3002<\/li>\n<\/ul>\n<p>\u5b98\u65b9\u8bad\u7ec3\u6587\u6863\u63d0\u9192\uff1a\u4e0d\u662f\u6bcf\u4e2a\u6570\u636e\u96c6\u90fd\u4f1a\u6709\u6bcf\u4e00\u79cd configuration\u3002\u5bf9\u4e8e cascade\uff0c\u5fc5\u987b\u5148\u8bad\u7ec3 <code>3d_lowres<\/code>\uff0c\u518d\u8bad\u7ec3 <code>3d_cascade_fullres<\/code>\u3002<\/p>\n<pre><code class=\"language-bash\"># \u5982\u679c\u6570\u636e\u96c6\u751f\u6210\u4e86 cascade\uff0c\u5e76\u4e14\u4f60\u8981\u8bad\u7ec3 cascade\uff1a\nnnUNetv2_train 1 3d_lowres 0 --npz\nnnUNetv2_train 1 3d_cascade_fullres 0 --npz<\/code><\/pre>\n<p>\u4e0d\u8981\u5728\u6ca1\u6709\u751f\u6210 <code>3d_lowres<\/code> \u7684\u60c5\u51b5\u4e0b\u5f3a\u884c\u8bad\u7ec3 cascade\u3002configuration \u662f\u5426\u5b58\u5728\uff0c\u4ee5 <code>nnUNet_preprocessed<\/code> \u4e2d\u7684 plans \u548c\u5b9e\u9645\u9884\u5904\u7406\u7ed3\u679c\u4e3a\u51c6\u3002<\/p>\n<h2>4. \u8f93\u51fa\u76ee\u5f55\u600e\u4e48\u770b<\/h2>\n<p>\u5b98\u65b9\u6587\u6863\u8bf4\u660e\uff0c\u8bad\u7ec3\u8f93\u51fa\u5199\u5728\uff1a<\/p>\n<pre><code class=\"language-text\">nnUNet_results\/DatasetXXX_Name\/TRAINER__PLANS__CONFIGURATION\/fold_X<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-text\">nnUNet_results\/\n\u2514\u2500\u2500 Dataset001_Liver\/\n    \u2514\u2500\u2500 nnUNetTrainer__nnUNetPlans__3d_fullres\/\n        \u251c\u2500\u2500 fold_0\/\n        \u251c\u2500\u2500 fold_1\/\n        \u251c\u2500\u2500 fold_2\/\n        \u251c\u2500\u2500 fold_3\/\n        \u2514\u2500\u2500 fold_4\/<\/code><\/pre>\n<p>\u6bcf\u4e2a fold \u76ee\u5f55\u91cc\u5e38\u89c1\u6587\u4ef6\u5305\u62ec\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6587\u4ef6\u6216\u76ee\u5f55<\/th>\n<th>\u4f5c\u7528<\/th>\n<th>\u600e\u4e48\u770b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>checkpoint_final.pth<\/code><\/td>\n<td>\u8bad\u7ec3\u7ed3\u675f\u65f6\u4fdd\u5b58\u7684\u6a21\u578b\u6743\u91cd<\/td>\n<td>\u8bf4\u660e\u8be5 fold \u6b63\u5e38\u8bad\u7ec3\u5230\u7ed3\u675f<\/td>\n<\/tr>\n<tr>\n<td><code>checkpoint_best.pth<\/code><\/td>\n<td>\u9a8c\u8bc1\u8868\u73b0\u8f83\u597d\u7684\u6a21\u578b\u6743\u91cd<\/td>\n<td>\u63a8\u7406\u6216\u6a21\u578b\u9009\u62e9\u65f6\u5e38\u4f1a\u7528\u5230<\/td>\n<\/tr>\n<tr>\n<td><code>progress.png<\/code><\/td>\n<td>\u8bad\u7ec3\u66f2\u7ebf\u56fe<\/td>\n<td>\u89c2\u5bdf loss\u3001Dice\u3001\u5b66\u4e60\u7387\u8d8b\u52bf<\/td>\n<\/tr>\n<tr>\n<td><code>validation\/summary.json<\/code><\/td>\n<td>\u9a8c\u8bc1\u7ed3\u679c\u6458\u8981<\/td>\n<td>\u67e5\u770b\u9a8c\u8bc1\u96c6\u6307\u6807<\/td>\n<\/tr>\n<tr>\n<td><code>validation\/*.npz<\/code><\/td>\n<td>\u9a8c\u8bc1\u6982\u7387\u6587\u4ef6<\/td>\n<td>\u53ea\u6709\u542f\u7528 <code>--npz<\/code> \u65f6\u4fdd\u5b58\uff0c\u7528\u4e8e\u540e\u7eed\u6a21\u578b\u9009\u62e9\u548c ensemble<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>5. progress.png \u548c\u65e5\u5fd7\u91cc\u6709\u54ea\u4e9b\u6307\u6807<\/h2>\n<p>\u5b98\u65b9 logging reference \u8bf4\u660e\uff0cnnU-Net v2 \u7684\u672c\u5730 logger \u662f\u8bad\u7ec3\u66f2\u7ebf\u548c <code>progress.png<\/code> \u7684\u4e3b\u8981\u6765\u6e90\u3002\u9ed8\u8ba4\u6bcf\u4e2a epoch \u4f1a\u8bb0\u5f55\uff1a<\/p>\n<ul>\n<li><code>mean_fg_dice<\/code>\uff1a\u524d\u666f\u7c7b\u522b\u7684\u5e73\u5747 Dice\u3002<\/li>\n<li><code>ema_fg_dice<\/code>\uff1a\u6307\u6570\u6ed1\u52a8\u5e73\u5747\u540e\u7684\u524d\u666f Dice\u3002<\/li>\n<li><code>dice_per_class_or_region<\/code>\uff1a\u6bcf\u4e2a\u7c7b\u522b\u6216 region \u7684 Dice\u3002<\/li>\n<li><code>train_losses<\/code> \u548c <code>val_losses<\/code>\uff1a\u8bad\u7ec3\u548c\u9a8c\u8bc1 loss\u3002<\/li>\n<li><code>lrs<\/code>\uff1a\u5b66\u4e60\u7387\u3002<\/li>\n<li>epoch \u5f00\u59cb\u548c\u7ed3\u675f\u65f6\u95f4\u3002<\/li>\n<\/ul>\n<p><strong>Dice<\/strong> \u662f\u533b\u5b66\u56fe\u50cf\u5206\u5272\u91cc\u6700\u5e38\u89c1\u7684\u91cd\u53e0\u6307\u6807\u4e4b\u4e00\uff0c\u7528\u6765\u8861\u91cf\u9884\u6d4b\u533a\u57df\u548c\u771f\u5b9e\u6807\u7b7e\u533a\u57df\u7684\u91cd\u5408\u7a0b\u5ea6\u3002Dice \u8d8a\u9ad8\u901a\u5e38\u8868\u793a\u5206\u5272\u8d8a\u63a5\u8fd1\u6807\u7b7e\uff0c\u4f46\u4e0d\u540c\u4efb\u52a1\u4e4b\u95f4\u4e0d\u80fd\u7b80\u5355\u6a2a\u5411\u6bd4\u8f83\u3002<\/p>\n<p>\u770b <code>progress.png<\/code> \u65f6\uff0c\u53ef\u4ee5\u5148\u5173\u6ce8\u4e09\u4ef6\u4e8b\uff1a<\/p>\n<ol>\n<li>\u8bad\u7ec3 loss \u662f\u5426\u6574\u4f53\u4e0b\u964d\u3002<\/li>\n<li>\u9a8c\u8bc1 Dice \u662f\u5426\u6574\u4f53\u4e0a\u5347\u6216\u81f3\u5c11\u7a33\u5b9a\u3002<\/li>\n<li>\u8bad\u7ec3\u548c\u9a8c\u8bc1\u8868\u73b0\u662f\u5426\u660e\u663e\u80cc\u79bb\uff0c\u4f8b\u5982\u8bad\u7ec3\u8d8a\u6765\u8d8a\u597d\u4f46\u9a8c\u8bc1\u8d8a\u6765\u8d8a\u5dee\u3002<\/li>\n<\/ol>\n<h2>6. \u5982\u679c\u5fd8\u4e86\u52a0 --npz \u600e\u4e48\u529e<\/h2>\n<p>\u5982\u679c\u4f60\u5df2\u7ecf\u8bad\u7ec3\u5b8c\u67d0\u4e2a fold\uff0c\u4f46\u5fd8\u4e86\u52a0 <code>--npz<\/code>\uff0c\u5b98\u65b9\u8bad\u7ec3\u6587\u6863\u7ed9\u51fa\u8865\u6551\u65b9\u5f0f\uff1a\u91cd\u65b0\u8fd0\u884c validation \u5e76\u4fdd\u5b58 npz\u3002<\/p>\n<pre><code class=\"language-bash\">nnUNetv2_train 1 3d_fullres 0 --val --npz<\/code><\/pre>\n<p>\u8fd9\u4e0d\u4f1a\u4ece\u5934\u8bad\u7ec3\uff0c\u800c\u662f\u8fd0\u884c\u9a8c\u8bc1\u6d41\u7a0b\u5e76\u4fdd\u5b58\u540e\u7eed\u6a21\u578b\u9009\u62e9\u6240\u9700\u7684\u6982\u7387\u6587\u4ef6\u3002\u5efa\u8bae\u4ece\u4e00\u5f00\u59cb\u5c31\u52a0 <code>--npz<\/code>\uff0c\u907f\u514d\u540e\u9762\u8865\u8dd1\u3002<\/p>\n<h2>7. \u8bbe\u5907\u9009\u62e9\u548c\u591a GPU \u8bad\u7ec3<\/h2>\n<p>\u5b98\u65b9\u6587\u6863\u8bf4\u660e\uff0c\u53ef\u4ee5\u7528 <code>-device<\/code> \u9009\u62e9\u8bbe\u5907\uff1a<\/p>\n<pre><code class=\"language-bash\">nnUNetv2_train 1 3d_fullres 0 --npz -device cuda\nnnUNetv2_train 1 2d 0 --npz -device cpu\nnnUNetv2_train 1 2d 0 --npz -device mps<\/code><\/pre>\n<p>\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u533b\u5b66\u56fe\u50cf\u5206\u5272\u8bad\u7ec3\u901a\u5e38\u5e94\u4f7f\u7528 CUDA GPU\u3002CPU \u66f4\u9002\u5408\u505a\u547d\u4ee4\u6f14\u793a\u6216\u6781\u5c0f\u89c4\u6a21\u6d4b\u8bd5\u3002<\/p>\n<p>\u591a GPU \u673a\u5668\u4e0a\uff0c\u5b98\u65b9\u63a8\u8350\u7684\u5e38\u89c1\u7b56\u7565\u662f\u201c\u4e00\u5f20 GPU \u8dd1\u4e00\u4e2a\u8bad\u7ec3\u4efb\u52a1\u201d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-bash\">CUDA_VISIBLE_DEVICES=0 nnUNetv2_train 1 3d_fullres 0 --npz\nCUDA_VISIBLE_DEVICES=1 nnUNetv2_train 1 3d_fullres 1 --npz<\/code><\/pre>\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5206\u5e03\u5f0f\u8bad\u7ec3\uff1a<\/p>\n<pre><code class=\"language-bash\">nnUNetv2_train 1 3d_fullres 0 --npz -num_gpus 2<\/code><\/pre>\n<p>\u5bf9\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u5148\u638c\u63e1\u5355 GPU \u548c\u4e00 GPU \u4e00\u4efb\u52a1\u7684\u65b9\u5f0f\u5373\u53ef\u3002\u5206\u5e03\u5f0f\u8bad\u7ec3\u6d89\u53ca\u66f4\u591a\u73af\u5883\u548c\u540c\u6b65\u95ee\u9898\uff0c\u540e\u9762\u6709\u5b9e\u9645\u9700\u6c42\u518d\u6df1\u5165\u3002<\/p>\n<h2>8. \u5e38\u89c1\u8bad\u7ec3\u5224\u65ad<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u73b0\u8c61<\/th>\n<th>\u53ef\u80fd\u542b\u4e49<\/th>\n<th>\u4f18\u5148\u68c0\u67e5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6ca1\u6709 <code>checkpoint_final.pth<\/code><\/td>\n<td>\u8bad\u7ec3\u53ef\u80fd\u672a\u6b63\u5e38\u7ed3\u675f<\/td>\n<td>\u67e5\u770b\u7ec8\u7aef\u8f93\u51fa\u3001\u65e5\u5fd7\u548c\u662f\u5426\u4e2d\u65ad<\/td>\n<\/tr>\n<tr>\n<td>\u6ca1\u6709 <code>validation\/*.npz<\/code><\/td>\n<td>\u8bad\u7ec3\u65f6\u53ef\u80fd\u6ca1\u52a0 <code>--npz<\/code><\/td>\n<td>\u7528 <code>--val --npz<\/code> \u8865\u8dd1\u9a8c\u8bc1<\/td>\n<\/tr>\n<tr>\n<td>Dice \u957f\u671f\u63a5\u8fd1 0<\/td>\n<td>\u6807\u7b7e\u3001\u7c7b\u522b\u3001\u6570\u636e\u65b9\u5411\u6216\u4efb\u52a1\u672c\u8eab\u53ef\u80fd\u6709\u95ee\u9898<\/td>\n<td>\u5148\u53ef\u89c6\u5316\u539f\u56fe\u548c\u6807\u7b7e\uff0c\u4e0d\u8981\u53ea\u8c03\u53c2\u6570<\/td>\n<\/tr>\n<tr>\n<td>\u8bad\u7ec3 loss \u4e0b\u964d\uff0c\u9a8c\u8bc1 Dice \u4e0d\u52a8<\/td>\n<td>\u53ef\u80fd\u8fc7\u62df\u5408\u3001\u9a8c\u8bc1\u96c6\u56f0\u96be\u6216\u6807\u7b7e\u8d28\u91cf\u95ee\u9898<\/td>\n<td>\u68c0\u67e5\u6570\u636e\u5212\u5206\u3001\u6807\u7b7e\u8d28\u91cf\u3001\u7c7b\u522b\u5206\u5e03<\/td>\n<\/tr>\n<tr>\n<td>\u663e\u5b58\u4e0d\u8db3<\/td>\n<td>\u914d\u7f6e\u548c\u786c\u4ef6\u4e0d\u5339\u914d<\/td>\n<td>\u5c1d\u8bd5\u5176\u4ed6 configuration\uff0c\u6216\u4f7f\u7528\u66f4\u5927\u663e\u5b58 GPU<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>9. \u5b98\u65b9\u8d44\u6599\u5165\u53e3<\/h2>\n<p>\u672c\u6587\u4e3b\u8981\u53c2\u8003\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/github.com\/MIC-DKFZ\/nnUNet\/blob\/master\/documentation\/how-to\/train-models.md\" target=\"_blank\"  rel=\"nofollow\" >Train Models<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/MIC-DKFZ\/nnUNet\/blob\/master\/documentation\/reference\/logging.md\" target=\"_blank\"  rel=\"nofollow\" >Logging Reference<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/MIC-DKFZ\/nnUNet\/blob\/master\/documentation\/how-to\/find-best-configuration.md\" target=\"_blank\"  rel=\"nofollow\" >Find Best Configuration<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/MIC-DKFZ\/nnUNet\" target=\"_blank\"  rel=\"nofollow\" >MIC-DKFZ\/nnUNet \u5b98\u65b9\u4ed3\u5e93<\/a><\/li>\n<\/ul>\n<h2>\u672c\u7bc7\u603b\u7ed3<\/h2>\n<p>nnU-Net v2 \u7684\u8bad\u7ec3\u4e0d\u662f\u53ea\u8dd1\u4e00\u6b21\u547d\u4ee4\u3002\u4f60\u9700\u8981\u660e\u786e\u6570\u636e\u96c6\u3001configuration \u548c fold \u7684\u5173\u7cfb\uff1b\u7406\u89e3 5-fold cross-validation \u5bf9\u6a21\u578b\u9009\u62e9\u7684\u91cd\u8981\u6027\uff1b\u8bad\u7ec3\u65f6\u5c3d\u91cf\u52a0 <code>--npz<\/code>\uff1b\u8bad\u7ec3\u540e\u8981\u68c0\u67e5 checkpoint\u3001validation \u7ed3\u679c\u548c <code>progress.png<\/code>\u3002\u53ea\u6709\u628a\u8fd9\u4e9b\u4ea7\u7269\u770b\u61c2\uff0c\u540e\u7eed\u7684\u6700\u4f73\u914d\u7f6e\u9009\u62e9\u3001ensemble \u548c postprocessing \u624d\u6709\u4f9d\u636e\u3002<\/p>\n<h2>\u4e0b\u4e00\u7bc7\u9884\u544a<\/h2>\n<p>\u4e0b\u4e00\u7bc7\u6211\u4eec\u4f1a\u8fdb\u5165\u6a21\u578b\u9009\u62e9\uff1a\u5982\u4f55\u7528 <code>nnUNetv2_find_best_configuration<\/code> \u6bd4\u8f83 2D\u30013D\u3001cascade \u7b49\u914d\u7f6e\uff0c\u4ec0\u4e48\u65f6\u5019\u9700\u8981 ensemble\uff0cpostprocessing \u53c8\u662f\u5728\u89e3\u51b3\u4ec0\u4e48\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u7bc7\u62c6\u89e3 nnU-Net v2 \u8bad\u7ec3\u9636\u6bb5\uff1afold\u3001configuration\u3001checkpoint\u3001validation\u3001progress.png\u3001&#8211;npz \u548c\u8bbe\u5907\u9009\u62e9\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[83],"tags":[],"class_list":["post-1053","post","type-post","status-publish","format-standard","hentry","category-83"],"views":2,"_links":{"self":[{"href":"https:\/\/www.eutaboo.com\/index.php\/wp-json\/wp\/v2\/posts\/1053","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.eutaboo.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.eutaboo.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.eutaboo.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eutaboo.com\/index.php\/wp-json\/wp\/v2\/comments?post=1053"}],"version-history":[{"count":0,"href":"https:\/\/www.eutaboo.com\/index.php\/wp-json\/wp\/v2\/posts\/1053\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.eutaboo.com\/index.php\/wp-json\/wp\/v2\/media?parent=1053"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.eutaboo.com\/index.php\/wp-json\/wp\/v2\/categories?post=1053"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.eutaboo.com\/index.php\/wp-json\/wp\/v2\/tags?post=1053"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}