{"id":53302,"date":"2025-08-12T08:14:28","date_gmt":"2025-08-12T00:14:28","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/53302.html"},"modified":"2025-08-12T08:14:28","modified_gmt":"2025-08-12T00:14:28","slug":"%e5%8c%bb%e7%96%97%e5%bd%b1%e5%83%8f%e5%88%86%e5%89%b2%e9%81%bf%e5%9d%91%e6%8c%87%e5%8d%97%ef%bc%9annunet%e5%9c%a8%e8%82%9d%e8%84%8fct%e4%b8%ad%e7%9a%845%e4%b8%aa%e9%ad%94%e6%94%b9%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/53302.html","title":{"rendered":"\u533b\u7597\u5f71\u50cf\u5206\u5272\u907f\u5751\u6307\u5357\uff1annUNet\u5728\u809d\u810fCT\u4e2d\u76845\u4e2a\u9b54\u6539\u6280\u5de7"},"content":{"rendered":"<h3>1. \u5f15\u8a00<\/h3>\n<p>\u5728\u533b\u7597AI\u9886\u57df\uff0c\u809d\u810fCT\u5206\u5272\u51e0\u4e4e\u662f\u6bcf\u4e2a\u56e2\u961f\u90fd\u4f1a\u5c1d\u8bd5\u653b\u514b\u7684\u7ecf\u5178\u4efb\u52a1\u2014\u2014\u5b83\u4e34\u5e8a\u610f\u4e49\u91cd\u5927\uff08\u624b\u672f\u89c4\u5212\u3001\u653e\u7597\u9776\u533a\u52fe\u753b\u3001\u75be\u75c5\u5b9a\u91cf\u5206\u6790\uff09\uff0c\u540c\u65f6\u6280\u672f\u95e8\u69db\u4e5f\u9ad8\u3002\u809d\u810f\u5668\u5b98\u8fb9\u754c\u6a21\u7cca\u3001\u4e0e\u90bb\u8fd1\u810f\u5668\u5bf9\u6bd4\u5ea6\u63a5\u8fd1\u3001\u626b\u63cf\u534f\u8bae\u591a\u6837\u5316\uff0c\u8fd9\u4e9b\u56e0\u7d20\u8ba9\u5206\u5272\u6a21\u578b\u7684\u6cdb\u5316\u80fd\u529b\u6210\u4e3a\u771f\u6b63\u7684\u6311\u6218\u3002<\/p>\n<p>nnUNet \u4f5c\u4e3a\u201c\u5f00\u7bb1\u5373\u7528\u201d\u7684\u5206\u5272\u6846\u67b6\uff0c\u88ab\u8bb8\u591a\u56e2\u961f\u5949\u4e3a\u533b\u7597\u5206\u5272\u7684\u201c\u745e\u58eb\u519b\u5200\u201d\uff1a\u65e0\u9700\u5927\u91cf\u624b\u52a8\u8c03\u53c2\uff0c\u5c31\u80fd\u5728\u591a\u79cd\u4efb\u52a1\u4e0a\u83b7\u5f97\u63a5\u8fd1SOTA\u7684\u8868\u73b0\u3002\u4f46\u5728\u809d\u810fCT\u4efb\u52a1\u4e2d\uff0c\u5982\u679c\u76f4\u63a5\u62ff\u5f00\u6e90\u7684 nnUNet \u8bad\u7ec3\uff0c\u5f88\u53ef\u80fd\u4f1a\u8e29\u5230\u9690\u5f62\u9677\u9631\u2014\u2014\u5c24\u5176\u662f\u5f53\u4f60\u7684\u6570\u636e\u6765\u81ea\u591a\u5bb6\u533b\u9662\u3001\u591a\u53f0\u8bbe\u5907\u65f6\uff0c\u6a21\u578b\u6027\u80fd\u4f1a\u51fa\u73b0\u4e0d\u53ef\u9884\u6d4b\u7684\u6ce2\u52a8\u3002<\/p>\n<p>\u5728\u56fd\u5185\uff0c\u8fd9\u4e2a\u95ee\u9898\u5c24\u4e3a\u7a81\u51fa\u3002\u56fd\u5916\u5f00\u6e90\u6570\u636e\u96c6\uff08\u5982LiTS\u3001CHAOS\uff09\u591a\u6765\u6e90\u4e8e GE\u3001Siemens\u3001Philips \u7b49\u8bbe\u5907\uff0c\u6570\u636e\u6807\u51c6\u76f8\u5bf9\u7edf\u4e00\uff1b\u800c\u5728\u56fd\u5185\uff0c\u8054\u5f71\u3001\u4e1c\u8f6f\u7b49\u672c\u571f\u5382\u5546\u5360\u636e\u4e86\u5927\u91cf\u5e02\u573a\u4efd\u989d\uff0c\u5b83\u4eec\u7684 DICOM \u6570\u636e\u867d\u7136\u9075\u5faa\u6807\u51c6\uff0c\u4f46\u5728\u79c1\u6709\u6807\u7b7e\uff08private tag\uff09\u3001\u5143\u6570\u636e\u7cbe\u5ea6\u3001\u50cf\u7d20\u503c\u7f16\u7801\u65b9\u5f0f\u7b49\u65b9\u9762\u5b58\u5728\u4e0d\u5c0f\u7684\u5dee\u5f02\u3002\u8fd9\u4e9b\u5dee\u5f02\u4f1a\u5728\u9884\u5904\u7406\u3001\u91cd\u91c7\u6837\u3001\u6570\u636e\u589e\u5f3a\u7b49\u73af\u8282\u5f15\u53d1\u4e00\u8fde\u4e32\u8fde\u9501\u53cd\u5e94\uff0c\u5bfc\u81f4\uff1a<\/p>\n<ul>\n<li>\n<p>HU\u503c\uff08Hounsfield Unit\uff09\u5f02\u5e38\u504f\u79fb \u2192 \u6a21\u578b\u65e0\u6cd5\u6b63\u786e\u8bc6\u522b\u809d\u5b9e\u8d28\u5bc6\u5ea6<\/p>\n<\/li>\n<li>\n<p>Spacing \u6216 Slice Thickness \u4e0d\u4e00\u81f4 \u2192 \u91cd\u91c7\u6837\u7cbe\u5ea6\u4e0b\u964d\uff0c\u4f53\u7d20\u6bd4\u4f8b\u5931\u771f<\/p>\n<\/li>\n<li>\n<p>\u5207\u7247\u987a\u5e8f\u9519\u4e71 \u2192 3D \u7ed3\u6784\u7834\u574f\uff0c\u5206\u5272\u8fb9\u754c\u51fa\u73b0\u952f\u9f7f<\/p>\n<\/li>\n<li>\n<p>\u91cd\u5efa\u6838\u5dee\u5f02 \u2192 \u7eb9\u7406\u566a\u58f0\u7279\u6027\u4e0d\u5339\u914d\uff0c\u63a8\u7406\u65f6\u7cbe\u5ea6\u9aa4\u964d<\/p>\n<\/li>\n<\/ul>\n<p>\u672c\u7cfb\u5217\u6587\u7ae0\u7684\u76ee\u6807\uff0c\u5c31\u662f\u7ed3\u5408\u771f\u5b9e\u9879\u76ee\u4e2d\u7684\u8e29\u5751\u7ecf\u9a8c\uff0c\u7ed9\u51fa 5 \u4e2a\u9488\u5bf9 nnUNet \u7684\u9b54\u6539\u6280\u5de7\uff0c\u5e2e\u52a9\u4f60\u5728\u5904\u7406\u56fd\u5185\u591a\u5382\u5546\u809d\u810fCT\u6570\u636e\u65f6\u5c11\u8e29\u5751\u3001\u591a\u63d0\u6548\uff0c\u6700\u7ec8\u8ba9\u6a21\u578b\u5728\u6df7\u5408\u6570\u636e\u73af\u5883\u4e0b\u4f9d\u7136\u7a33\u5982\u8001\u72d7\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f1a\u5148\u4ece\u6570\u636e\u9884\u5904\u7406\u907f\u5751\u5f00\u59cb\uff0c\u8be6\u7ec6\u5256\u6790\u5382\u5546\u5dee\u5f02\u5bf9\u5206\u5272\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u4ee3\u7801\u5c42\u9762\u7684\u201c\u5382\u5546\u9002\u914d\u201d\u6765\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<p>&nbsp; <\/p>\n<h3>2. \u6570\u636e\u9884\u5904\u7406\u907f\u5751\uff1a\u8bbe\u5907\u5382\u5546\u5dee\u5f02\u662f\u7b2c\u4e00\u96f7<\/h3>\n<p>\u5728\u809d\u810fCT\u5206\u5272\u4efb\u52a1\u4e2d\uff0c\u9884\u5904\u7406\u8d28\u91cf\u76f4\u63a5\u51b3\u5b9a\u4e86 nnUNet \u7684\u4e0a\u9650\u3002\u5f88\u591a\u56e2\u961f\u4e00\u4e0a\u6765\u5c31\u8c03\u7f51\u7edc\u7ed3\u6784\u3001\u6539\u635f\u5931\u51fd\u6570\uff0c\u7ed3\u679c\u53d1\u73b0\u6a21\u578b\u5728\u6df7\u5408\u6570\u636e\u96c6\u4e0a\u8bad\u7ec3\u5230\u540e\u671f\u53cd\u800c\u5d29\u6e83\uff0c\u8fd9\u5f80\u5f80\u4e0d\u662f\u7f51\u7edc\u7684\u95ee\u9898\uff0c\u800c\u662f\u591a\u5382\u5546\u6570\u636e\u6807\u51c6\u4e0d\u4e00\u81f4\u5f15\u53d1\u7684\u3002<\/p>\n<h4>2.1 \u6570\u636e\u683c\u5f0f\u5dee\u5f02\u5bf9\u5206\u5272\u7684\u5f71\u54cd<\/h4>\n<p>\u867d\u7136\u6240\u6709\u4e3b\u6d41CT\u8bbe\u5907\u7684\u8f93\u51fa\u90fd\u57fa\u4e8e DICOM \u6807\u51c6\uff0c\u4f46\u6807\u51c6\u4e4b\u5916\u7684\u5382\u5546\u79c1\u6709\u5b9e\u73b0\u5dee\u5f02\u8db3\u4ee5\u8ba9\u9884\u5904\u7406\u811a\u672c\u5931\u6548\uff1a<\/p>\n<table>\n<tr>\n   \u5382\u5546<br \/>\n   \u5178\u578b\u95ee\u9898<br \/>\n   \u8868\u73b0<br \/>\n   \u6f5c\u5728\u5f71\u54cd<br \/>\n  <\/tr>\n<tbody>\n<tr>\n<td>\u8054\u5f71\uff08United Imaging\uff09<\/td>\n<td>\u79c1\u6709 Tag \u591a\uff08\u5982\u91cd\u5efa\u6838\u3001\u626b\u63cf\u6a21\u5f0f\u5b58\u653e\u4f4d\u7f6e\u4e0d\u56fa\u5b9a\uff09<\/td>\n<td>PixelSpacing \u7cbe\u5ea6\u5f88\u9ad8\uff084~6 \u4f4d\u5c0f\u6570\uff09\uff0c\u4f46 SliceThickness \u5b58\u653e\u4f4d\u7f6e\u5076\u5c14\u9519\u4f4d<\/td>\n<td>\u91cd\u91c7\u6837\u65f6\u82e5\u4ec5\u4f9d\u8d56 SliceThickness\uff0cZ \u8f74\u7f29\u653e\u6bd4\u4f8b\u53ef\u80fd\u5931\u771f<\/td>\n<\/tr>\n<tr>\n<td>\u4e1c\u8f6f\uff08Neusoft\uff09<\/td>\n<td>\u6709\u65f6\u4f7f\u7528 JPEG \u5c01\u88c5 DICOM\uff0c\u50cf\u7d20\u503c\u7ecf\u8fc7\u538b\u7f29\u518d\u89e3\u7801<\/td>\n<td>HU \u503c\u53ef\u80fd\u51fa\u73b0 \u00b13~5 \u7684\u7cfb\u7edf\u6027\u504f\u79fb<\/td>\n<td>\u809d\u5b9e\u8d28\/\u75c5\u7076 HU \u8303\u56f4\u88ab\u538b\u7f29\uff0c\u9608\u503c\u5206\u5272\/\u76f4\u65b9\u56fe\u5339\u914d\u5931\u6548<\/td>\n<\/tr>\n<tr>\n<td>GE\/Siemens\/Philips<\/td>\n<td>\u9075\u5faa\u56fd\u9645\u5e38\u7528\u6807\u51c6\uff0c\u4f46\u90e8\u5206\u533b\u9662\u5bfc\u51fa\u65f6\u7f3a\u5931 RescaleSlope\/Intercept<\/td>\n<td>HU \u8f6c\u6362\u7cfb\u6570\u4e22\u5931<\/td>\n<td>HU \u6620\u5c04\u51fa\u9519\uff0c\u5bfc\u81f4\u5168\u4f53\u7d20\u4eae\u5ea6\u5f02\u5e38<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<h4>2.2 \u4e09\u5927\u5e38\u89c1\u5751<\/h4>\n<p>\u5751 1\uff1aHU \u503c\u5f02\u5e38<\/p>\n<ul>\n<li>\n<p>\u8868\u73b0\uff1a\u540c\u4e00\u60a3\u8005\u4e0d\u540c\u5382\u5546\u626b\u63cf\u7684\u809d\u810f\u5e73\u5747 HU \u503c\u5dee\u5f02\u53ef\u8fbe 10~20<\/p>\n<\/li>\n<li>\n<p>\u539f\u56e0\uff1aRescaleSlope \/ Intercept \u4e0d\u4e00\u81f4\uff0c\u6216\u50cf\u7d20\u503c\u7ecf\u8fc7 JPEG \u538b\u7f29<\/p>\n<\/li>\n<li>\n<p>\u540e\u679c\uff1a\u6a21\u578b\u5b66\u4e60\u5230\u7684\u5f3a\u5ea6\u5206\u5e03\u6df7\u4e71\uff0c\u57df\u95f4\u5dee\u5f02\u88ab\u653e\u5927<\/p>\n<\/li>\n<\/ul>\n<p>\u5751 2\uff1aSpacing \u4e0d\u4e00\u81f4<\/p>\n<ul>\n<li>\n<p>\u8868\u73b0\uff1aPixelSpacing \u4e0e SliceThickness \u5b58\u5728\u51b2\u7a81\uff08\u5c24\u5176\u662f\u8054\u5f71\u6570\u636e\uff09<\/p>\n<\/li>\n<li>\n<p>\u539f\u56e0\uff1aZ \u8f74\u95f4\u8ddd\u53ef\u80fd\u5b58\u50a8\u5728\u591a\u4e2a\u4f4d\u7f6e\uff08SpacingBetweenSlices vs SliceThickness\uff09<\/p>\n<\/li>\n<li>\n<p>\u540e\u679c\uff1a3D \u91cd\u91c7\u6837\u6bd4\u4f8b\u5931\u771f\uff0c\u809d\u810f\u4f53\u79ef\u8ba1\u7b97\u9519\u8bef<\/p>\n<\/li>\n<\/ul>\n<p>\u5751 3\uff1a\u5207\u7247\u987a\u5e8f\u6df7\u4e71<\/p>\n<ul>\n<li>\n<p>\u8868\u73b0\uff1aDICOM \u7684 InstanceNumber \u4e0e ImagePositionPatient \u6392\u5e8f\u4e0d\u4e00\u81f4<\/p>\n<\/li>\n<li>\n<p>\u539f\u56e0\uff1a\u5382\u5546\u5728\u91cd\u5efa\u8fc7\u7a0b\u4e2d\u5bf9\u5207\u7247\u8fdb\u884c\u4e86\u91cd\u65b0\u7f16\u53f7<\/p>\n<\/li>\n<li>\n<p>\u540e\u679c\uff1a\u809d\u810f\u8f6e\u5ed3\u88ab\u6253\u4e71\uff0c\u5206\u5272\u7ed3\u679c\u51fa\u73b0\u952f\u9f7f\u6216\u65ad\u88c2<\/p>\n<\/li>\n<\/ul>\n<hr>\n<h4>2.3 \u89e3\u51b3\u65b9\u6848\uff1a\u5382\u5546\u9002\u914d\u5668\uff08Vendor Adapter Layer\uff09<\/h4>\n<p>\u4e3a\u4e86\u8ba9 nnUNet \u5904\u7406\u591a\u5382\u5546\u6570\u636e\u65f6\u4e0d\u5d29\u6e83\uff0c\u5efa\u8bae\u5728\u9884\u5904\u7406\u9636\u6bb5\u5f15\u5165\u4e00\u4e2a\u5382\u5546\u9002\u914d\u5668\u5c42\uff0c\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n<li>\n<p>\u5382\u5546\u81ea\u52a8\u8bc6\u522b<\/p>\n<ul>\n<li>\n<p>\u8bfb\u53d6 DICOM Tag (0008,0070) Manufacturer<\/p>\n<\/li>\n<li>\n<p>\u5efa\u7acb\u5382\u5546\u2192\u9884\u5904\u7406\u7b56\u7565\u6620\u5c04\u8868<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>HU \u503c\u7edf\u4e00\u5316<\/p>\n<ul>\n<li>\n<p>\u5bf9\u7f3a\u5931 RescaleSlope\/Intercept \u7684\u6570\u636e\uff0c\u4f7f\u7528\u7edf\u8ba1\u5b66\u4f30\u8ba1\u6062\u590d<\/p>\n<\/li>\n<li>\n<p>\u9488\u5bf9 JPEG \u5c01\u88c5\u6570\u636e\uff0c\u589e\u52a0 \u00b1HU \u504f\u79fb\u7684\u68c0\u6d4b\u4e0e\u4fee\u6b63<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>Spacing \u5f3a\u5236\u4e00\u81f4\u5316<\/p>\n<ul>\n<li>\n<p>Z \u8f74\u95f4\u8ddd\u4f18\u5148\u4f7f\u7528 ImagePositionPatient \u5dee\u503c\u8ba1\u7b97<\/p>\n<\/li>\n<li>\n<p>\u5982\u679c\u68c0\u6d4b\u5230\u5f02\u5e38\uff08\u5dee\u503c\u6ce2\u52a8 &gt;1%\uff09\uff0c\u56de\u9000\u5230 SliceThickness<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5207\u7247\u6392\u5e8f\u7edf\u4e00\u5316<\/p>\n<ul>\n<li>\n<p>\u5f3a\u5236\u6309 ImagePositionPatient \u7684 Z \u5750\u6807\u6392\u5e8f<\/p>\n<\/li>\n<li>\n<p>\u907f\u514d\u4f9d\u8d56 InstanceNumber<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5143\u6570\u636e\u5b8c\u6574\u6027\u68c0\u67e5<\/p>\n<ul>\n<li>\n<p>\u5bf9\u5173\u952e\u5b57\u6bb5\uff08PixelSpacing\u3001SliceThickness\u3001RescaleSlope\u3001RescaleIntercept\uff09\u8fdb\u884c\u975e\u7a7a\u4e0e\u8303\u56f4\u6821\u9a8c<\/p>\n<\/li>\n<li>\n<p>\u5f02\u5e38\u6570\u636e\u76f4\u63a5\u6807\u8bb0\uff0c\u8fdb\u5165\u5355\u72ec\u6e05\u6d17\u6d41\u7a0b<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<hr>\n<p>\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\uff1a<\/p>\n<ul>\n<li>\n<p>\u4e00\u6b21\u6027\u9002\u914d \u2192 \u4e0d\u7528\u5728\u6bcf\u4e2a\u6570\u636e\u96c6\u4e0a\u91cd\u590d\u5199\u517c\u5bb9\u4ee3\u7801<\/p>\n<\/li>\n<li>\n<p>\u53ef\u6269\u5c55 \u2192 \u540e\u7eed\u63a5\u5165\u65b0\u5382\u5546\uff08\u5982\u4e1c\u829d\u3001\u65e5\u7acb\uff09\u53ea\u9700\u589e\u52a0\u4e00\u6761\u6620\u5c04\u89c4\u5219<\/p>\n<\/li>\n<li>\n<p>\u7a33\u5b9a\u6027\u9ad8 \u2192 \u5373\u4f7f\u9047\u5230\u5f02\u5e38 DICOM 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HU\uff0c\u6216 RescaleIntercept \u7f3a\u5931\u5bfc\u81f4\u5168\u90e8\u504f\u4eae\uff09\uff0c\u90a3\u4e48\u809d\u810f\u7684\u7070\u5ea6\u5206\u5e03\u5c31\u4f1a\u4e0e\u8bad\u7ec3\u96c6\u4e0d\u5339\u914d\uff0cnnUNet \u7684\u5377\u79ef\u6838\u5c31\u4f1a\u201c\u5b66\u6b6a\u201d\u3002\u5728\u591a\u5382\u5546\u6570\u636e\u6df7\u8bad\u65f6\uff0c\u8fd9\u79cd\u95ee\u9898\u4f1a\u88ab\u653e\u5927\uff0c\u5bfc\u81f4\u6a21\u578b\u6cdb\u5316\u6027\u80fd\u6025\u5267\u4e0b\u964d\u3002<\/p>\n<hr>\n<h4>3.2 \u9488\u5bf9\u4e0d\u540c\u5382\u5546\u7684 HU \u4fee\u6b63\u7b56\u7565<\/h4>\n<table>\n<tr>\n   \u5382\u5546<br \/>\n   \u5e38\u89c1 HU \u95ee\u9898<br \/>\n   \u4fee\u6b63\u65b9\u6cd5<br \/>\n  <\/tr>\n<tbody>\n<tr>\n<td>\u8054\u5f71<\/td>\n<td>\u5076\u53d1 RescaleIntercept \u8bef\u5dee \u00b11 HU\uff08\u91cd\u5efa\u6838\u5dee\u5f02\uff09<\/td>\n<td>\u68c0\u6d4b\u6c34\u533a\u57df HU \u5747\u503c\uff0c\u82e5\u504f\u79bb &gt;2 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