{"id":3015,"date":"2025-12-03T09:12:52","date_gmt":"2025-12-03T01:12:52","guid":{"rendered":"https:\/\/earthft.com\/?p=3015"},"modified":"2025-12-03T20:55:48","modified_gmt":"2025-12-03T12:55:48","slug":"a-dual-encoder-u-net-for-landslide-detection-using-sentinel-2-and-dem-data","status":"publish","type":"post","link":"https:\/\/earthft.com\/en\/a-dual-encoder-u-net-for-landslide-detection-using-sentinel-2-and-dem-data\/","title":{"rendered":"A dual-encoder U-Net for landslide detection using Sentinel-2 and DEM data"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Background<\/h2>\n\n\n\n<p>\u6ed1\u5761\u662f\u9ad8\u5c71\u5730\u533a\u5e38\u89c1\u7684\u81ea\u7136\u707e\u5bb3\uff0c\u5176\u8bf1\u56e0\u5305\u62ec\u5f3a\u964d\u96e8\u3001\u5730\u9707\u3001\u706b\u5c71\u6d3b\u52a8\u4ee5\u53ca\u4eba\u7c7b\u6270\u52a8\u3002\u4f20\u7edf\u57fa\u4e8e\u5b9e\u5730\u8c03\u67e5\u7684\u6ed1\u5761\u5236\u56fe\u6210\u672c\u9ad8\u3001\u5468\u671f\u957f\uff0c\u56e0\u6b64\u9065\u611f\u6280\u672f\u6210\u4e3a\u4e3b\u8981\u624b\u6bb5\u3002\u7136\u800c\uff0c\u9ad8\u5206\u8fa8\u7387\u9065\u611f\u6570\u636e\u5f80\u5f80\u6536\u8d39\u3001\u8986\u76d6\u6709\u9650\u3001\u91cd\u8bbf\u5468\u671f\u957f\uff0c\u4e0d\u5229\u4e8e\u533a\u57df\u5c3a\u5ea6\u3001\u6301\u7eed\u6027\u7684\u6ed1\u5761\u5236\u56fe\u3002\u73b0\u6709\u57fa\u4e8e\u6df1\u5ea6\u5b66\u4e60\u7684\u6ed1\u5761\u68c0\u6d4b\u5927\u591a\u4f9d\u8d56\u6536\u8d39\u7684\u9ad8\u5206\u8fa8\u7387\u5f71\u50cf\uff0c\u7f3a\u4e4f\u5bf9\u514d\u8d39\u4e2d\u5206\u8fa8\u7387\u6570\u636e\uff08\u5982 Sentinel-2\uff09\u7684\u9002\u914d\u6a21\u578b\u3002<\/p>\n\n\n\n<p>\u57fa\u4e8e\u6b64\uff0c\u8be5\u8bba\u6587\u63d0\u51fa\u4e00\u79cd\u9488\u5bf9\u4e2d\u5206\u8fa8\u7387\u9065\u611f\u5f71\u50cf\u7684\u6ed1\u5761\u50cf\u7d20\u7ea7\u68c0\u6d4b\u65b9\u6cd5\uff0c\u7ed3\u5408 Sentinel-2 \u591a\u5149\u8c31\u5f71\u50cf\u4e0e NASADEM \u7684\u5730\u5f62\u4fe1\u606f\uff0c\u5229\u7528\u6539\u8fdb\u7684 U-Net \u67b6\u6784\uff0c\u4ee5\u5b9e\u73b0\u5927\u8303\u56f4\u3001\u4f4e\u6210\u672c\u7684\u6ed1\u5761\u5236\u56fe\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u6570\u636e\u4e0e\u7814\u7a76\u533a<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"844\" src=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/image-1024x844.png\" alt=\"\" class=\"wp-image-3016\" srcset=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/image-1024x844.png 1024w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/image-300x247.png 300w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/image-768x633.png 768w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/image-15x12.png 15w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/image.png 1434w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u7814\u7a76\u9009\u62e9\u4e86\u4e24\u4e2a\u5178\u578b\u533a\u57df\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e2d\u56fd\u56db\u5ddd\u6c76\u5ddd\u2013\u90fd\u6c5f\u5830\u533a\u57df\uff08Wen-Du\uff09<\/strong>\uff1a\u5c71\u5730\u5730\u5f62\u590d\u6742\u3001\u4e91\u96e8\u591a\uff0c\u5149\u5b66\u5f71\u50cf\u8d28\u91cf\u53d7\u9650\u3002<\/li>\n\n\n\n<li><strong>\u65e5\u672c\u5317\u6d77\u9053\u80c6\u632f\u5730\u533a\uff08Iburi\uff09<\/strong>\uff1a2018 \u5e74\u5730\u9707\u8bf1\u53d1\u5927\u89c4\u6a21\u6ed1\u5761\uff0c\u5730\u5f62\u4ee5\u4f4e\u5c71\u4e18\u9675\u4e3a\u4e3b\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6570\u636e\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sentinel-2 \u591a\u5149\u8c31\u5f71\u50cf 13 \u4e2a\u6ce2\u6bb5<\/li>\n\n\n\n<li>NASADEM \u6d3e\u751f\u7684\u5761\u5ea6\u3001\u5761\u5411\u3001\u9ad8\u7a0b<br>\u7ecf\u91cd\u6295\u5f71\u4e3a 10 m \u5206\u8fa8\u7387\uff0c\u5e76\u5207\u7247\u4e3a 128\u00d7128 \u7684\u8bad\u7ec3\u56fe\u5757\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e24\u4e2a\u533a\u57df\u7684\u6ed1\u5761\u63a9\u819c\u5206\u522b\u7531\u9762\u5411\u5bf9\u8c61\u65b9\u6cd5\u4e0e\u5df2\u6709\u516c\u5f00\u6570\u636e\u5e93\u83b7\u53d6\u3002\u8bad\u7ec3\u6837\u672c\u5b58\u5728\u660e\u663e\u7c7b\u522b\u4e0d\u5e73\u8861\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"916\" src=\"http:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.43.18-1024x916.png\" alt=\"\" class=\"wp-image-3027\" srcset=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.43.18-1024x916.png 1024w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.43.18-300x268.png 300w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.43.18-768x687.png 768w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.43.18-1536x1373.png 1536w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.43.18-13x12.png 13w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.43.18.png 1644w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u65b9\u6cd5<\/h2>\n\n\n\n<p>\u6574\u4e2a\u6d41\u7a0b\u7531\u6570\u636e\u9884\u5904\u7406\u3001\u6a21\u578b\u6784\u5efa\u4e0e\u6027\u80fd\u8bc4\u4ef7\u4e09\u90e8\u5206\u7ec4\u6210\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"690\" src=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.44.16-1024x690.png\" alt=\"\" class=\"wp-image-3029\" srcset=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.44.16-1024x690.png 1024w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.44.16-300x202.png 300w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.44.16-768x517.png 768w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.44.16-1536x1035.png 1536w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.44.16-18x12.png 18w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.44.16.png 1636w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3.1 \u6570\u636e\u9884\u5904\u7406<\/h3>\n\n\n\n<p>\u5c06 Sentinel-2 \u4e0e NASADEM \u7edf\u4e00\u6295\u5f71\u5e76\u91cd\u91c7\u6837\u5230 10 m\u3002\u968f\u540e\u6309\u901a\u9053\u5747\u503c\u8fdb\u884c\u5f52\u4e00\u5316\u5904\u7406\u3002\u901a\u8fc7\u6ed1\u52a8\u7a97\u53e3\u751f\u6210\u8bad\u7ec3\u56fe\u5757\u5e76\u6784\u5efa\u76f8\u540c\u5c3a\u5bf8\u7684\u63a9\u819c\u6807\u7b7e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.2 \u6a21\u578b\u7ed3\u6784\uff1a\u53cc\u7f16\u7801\u5668 U-Net<\/h3>\n\n\n\n<p>\u8bba\u6587\u57fa\u4e8e U-Net \u8fdb\u884c\u7ed3\u6784\u6539\u9020\uff0c\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u53cc\u7f16\u7801\u5668\u8bbe\u8ba1\uff08dual-encoder\uff09<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u4e3b\u7f16\u7801\u5668\u8d1f\u8d23\u5904\u7406\u5149\u5b66\u5f71\u50cf\u3002<\/li>\n\n\n\n<li>\u8f85\u52a9\u7f16\u7801\u5668\u5904\u7406 DEM\uff08\u5761\u5ea6\u3001\u5761\u5411\u3001\u9ad8\u7a0b\uff09\u3002<\/li>\n\n\n\n<li>\u4e24\u8def\u7279\u5f81\u5728\u6bcf\u5c42\u8fdb\u884c\u62fc\u63a5\u878d\u5408\uff0c\u4ee5\u589e\u5f3a\u5149\u8c31\u4e0e\u5730\u5f62\u7684\u8054\u5408\u8868\u8fbe\u80fd\u529b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6ce8\u610f\u529b\u8df3\u8dc3\u8fde\u63a5\uff08attention gate\uff09<\/strong><br>\u5728\u89e3\u7801\u9636\u6bb5\u7684\u8df3\u8dc3\u8fde\u63a5\u4e2d\u5f15\u5165\u81ea\u6ce8\u610f\u529b\u6a21\u5757\uff0c\u7528\u4e8e\u6291\u5236\u65e0\u5173\u80cc\u666f\u7ec6\u8282\uff0c\u63d0\u9ad8\u5bf9\u6ed1\u5761\u5f62\u6001\u7684\u805a\u7126\u80fd\u529b\u3002<\/li>\n\n\n\n<li><strong>\u635f\u5931\u51fd\u6570<\/strong><br>\u91c7\u7528\u52a0\u6743\u4ea4\u53c9\u71b5\u4e0e Dice Loss \u7684\u7ec4\u5408\uff0c\u4ee5\u7f13\u89e3\u7c7b\u522b\u4e0d\u5e73\u8861\u95ee\u9898\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"859\" src=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.45.54-1024x859.png\" alt=\"\" class=\"wp-image-3031\" style=\"width:1200px;height:auto\" srcset=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.45.54-1024x859.png 1024w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.45.54-300x252.png 300w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.45.54-768x644.png 768w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.45.54-1536x1288.png 1536w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.45.54-14x12.png 14w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.45.54.png 1612w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"382\" src=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.46.36-1024x382.png\" alt=\"\" class=\"wp-image-3032\" srcset=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.46.36-1024x382.png 1024w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.46.36-300x112.png 300w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.46.36-768x287.png 768w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.46.36-1536x573.png 1536w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.46.36-18x7.png 18w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.46.36.png 1602w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3.3 \u6027\u80fd\u8bc4\u4ef7\u6307\u6807<\/h3>\n\n\n\n<p>\u6a21\u578b\u5728\u4e24\u7814\u7a76\u533a\u5206\u522b\u8ba1\u7b97 Precision\u3001Recall \u4e0e F1\u3002\u5e76\u4e0e SegNet\u3001U-Net\u3001Attention U-Net \u57fa\u7ebf\u6a21\u578b\u5bf9\u6bd4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u5b9e\u9a8c\u7ed3\u679c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">4.1 Wen-Du \u533a\u57df\uff08\u4e2d\u56fd\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>F1\uff1a<strong>69.18%\uff08\u6700\u9ad8\uff09<\/strong><\/li>\n\n\n\n<li>Precision\uff1a68.05%<\/li>\n\n\n\n<li>Recall\uff1a70.36%<\/li>\n<\/ul>\n\n\n\n<p>\u76f8\u6bd4\u4e4b\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>U-Net F1\uff1a65.60%<\/li>\n\n\n\n<li>Attention U-Net F1\uff1a67.04%<\/li>\n\n\n\n<li>SegNet \u8868\u73b0\u6700\u5dee<\/li>\n<\/ul>\n\n\n\n<p>\u5728\u6ed1\u5761\u9762\u79ef\u5360\u6bd4\u6781\u4f4e\u7684\u533a\u57df\uff0c\u53cc\u7f16\u7801\u5668\u548c\u6ce8\u610f\u529b\u673a\u5236\u6709\u6548\u63d0\u5347\u4e86\u5bf9\u5c0f\u76ee\u6807\u7684\u8bc6\u522b\u80fd\u529b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"694\" src=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.53.51-1024x694.png\" alt=\"\" class=\"wp-image-3033\" srcset=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.53.51-1024x694.png 1024w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.53.51-300x203.png 300w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.53.51-768x521.png 768w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.53.51-1536x1042.png 1536w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.53.51-18x12.png 18w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.53.51.png 1628w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">4.2 Iburi \u533a\u57df\uff08\u65e5\u672c\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>F1\uff1a<strong>79.24%\uff08\u6700\u9ad8\uff09<\/strong><\/li>\n\n\n\n<li>Precision\uff1a78.39%<\/li>\n\n\n\n<li>Recall\uff1a80.11%<\/li>\n<\/ul>\n\n\n\n<p>\u5bf9\u6bd4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SegNet\uff1a73.57%<\/li>\n\n\n\n<li>U-Net\uff1a76.58%<\/li>\n\n\n\n<li>Attention U-Net\uff1a77.29%<\/li>\n<\/ul>\n\n\n\n<p>\u7814\u7a76\u6307\u51fa\uff0c\u8be5\u7ed3\u679c\u63a5\u8fd1\u4f7f\u7528 3 m Planet \u9ad8\u5206\u8fa8\u7387\u5f71\u50cf\u7684\u524d\u4eba\u5de5\u4f5c\uff0c\u8bf4\u660e\u4e2d\u5206\u8fa8\u7387\u5f71\u50cf\u7ecf\u9002\u914d\u6a21\u578b\u540e\u5728\u6ed1\u5761\u68c0\u6d4b\u4e0a\u5177\u6709\u53ef\u884c\u6027\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"963\" src=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.55.18-1024x963.png\" alt=\"\" class=\"wp-image-3034\" srcset=\"https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.55.18-1024x963.png 1024w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.55.18-300x282.png 300w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.55.18-768x722.png 768w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.55.18-1536x1445.png 1536w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.55.18-13x12.png 13w, https:\/\/earthft.com\/wp-content\/uploads\/2025\/12\/\u622a\u5c4f2025-12-03-20.55.18.png 1614w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u8ba8\u8bba<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">5.1 \u65b9\u6cd5\u4f18\u52bf<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e0d\u4f9d\u8d56\u9ad8\u5206\u8fa8\u7387\u5f71\u50cf\uff0c\u9002\u7528\u4e8e\u5927\u8303\u56f4\u3001\u4f4e\u6210\u672c\u6ed1\u5761\u5feb\u901f\u5236\u56fe\u3002<\/li>\n\n\n\n<li>\u53cc\u7f16\u7801\u5668\u6709\u6548\u6574\u5408\u5149\u5b66\u4e0e\u5730\u5f62\u7279\u5f81\uff0c\u63d0\u9ad8\u5224\u522b\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u6ce8\u610f\u529b\u6a21\u5757\u63d0\u5347\u4e86\u89e3\u7801\u9636\u6bb5\u5bf9\u8fb9\u7f18\u548c\u6ed1\u5761\u4f53\u7684\u5173\u6ce8\u5ea6\u3002<\/li>\n\n\n\n<li>\u5728\u4e24\u4e2a\u5730\u7406\u73af\u5883\u5dee\u5f02\u8f83\u5927\u7684\u533a\u57df\u5747\u53d6\u5f97\u4e86\u4f18\u4e8e\u5e38\u7528\u6a21\u578b\u7684\u8868\u73b0\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">5.2 \u5c40\u9650\u6027<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8bad\u7ec3\u6837\u672c\u6570\u91cf\u6709\u9650\uff0c\u65e0\u6cd5\u5145\u5206\u5229\u7528\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\u7684\u6f5c\u529b\u3002<\/li>\n\n\n\n<li>\u6ed1\u5761\u50cf\u7d20\u5360\u6bd4\u504f\u4f4e\uff0c\u4f7f\u8bad\u7ec3\u8fc7\u7a0b\u53d7\u7c7b\u522b\u4e0d\u5e73\u8861\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u672a\u8fdb\u884c\u6ce2\u6bb5\u91cd\u8981\u6027\u5206\u6790\uff0c\u5404 Sentinel-2 \u6ce2\u6bb5\u5bf9\u6a21\u578b\u8d21\u732e\u4e0d\u660e\u3002<\/li>\n\n\n\n<li>\u4ec5\u5728\u4e24\u4e2a\u533a\u57df\u9a8c\u8bc1\uff0c\u6cdb\u5316\u80fd\u529b\u4ecd\u9700\u66f4\u591a\u7814\u7a76\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">6. \u7ed3\u8bba<\/h2>\n\n\n\n<p>\u8bba\u6587\u63d0\u51fa\u7684\u53cc\u7f16\u7801\u5668 U-Net \u91c7\u7528 Sentinel-2 \u591a\u5149\u8c31\u5f71\u50cf\u4e0e DEM\uff0c\u5b9e\u73b0\u4e86\u514d\u8d39\u4e2d\u5206\u8fa8\u7387\u6570\u636e\u6761\u4ef6\u4e0b\u7684\u50cf\u7d20\u7ea7\u6ed1\u5761\u68c0\u6d4b\u3002\u6a21\u578b\u5728\u4e0d\u540c\u533a\u57df\u7684 F1 \u5206\u522b\u8fbe\u5230 69.18% \u548c 79.24%\uff0c\u5747\u4f18\u4e8e\u4f20\u7edf U-Net \u53ca\u5176\u53d8\u4f53\u3002\u65b9\u6cd5\u5177\u5907\u5728\u5927\u8303\u56f4\u6ed1\u5761\u5236\u56fe\u4e2d\u7684\u6f5c\u5728\u5e94\u7528\u4ef7\u503c\uff0c\u4f46\u4ecd\u9700\u6269\u5927\u6837\u672c\u89c4\u6a21\u5e76\u5f00\u5c55\u66f4\u5168\u9762\u7684\u6cdb\u5316\u9a8c\u8bc1\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>1. \u7814\u7a76\u80cc\u666f\u4e0e\u95ee\u9898 \u6ed1\u5761\u662f\u9ad8\u5c71\u5730\u533a\u5e38\u89c1\u7684\u81ea\u7136\u707e\u5bb3\uff0c\u5176\u8bf1\u56e0\u5305\u62ec\u5f3a\u964d\u96e8\u3001\u5730\u9707\u3001\u706b\u5c71\u6d3b\u52a8\u4ee5\u53ca\u4eba\u7c7b\u6270\u52a8\u3002\u4f20\u7edf\u57fa\u4e8e\u5b9e\u5730 [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3015","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/earthft.com\/en\/wp-json\/wp\/v2\/posts\/3015","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/earthft.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/earthft.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/earthft.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/earthft.com\/en\/wp-json\/wp\/v2\/comments?post=3015"}],"version-history":[{"count":4,"href":"https:\/\/earthft.com\/en\/wp-json\/wp\/v2\/posts\/3015\/revisions"}],"predecessor-version":[{"id":3035,"href":"https:\/\/earthft.com\/en\/wp-json\/wp\/v2\/posts\/3015\/revisions\/3035"}],"wp:attachment":[{"href":"https:\/\/earthft.com\/en\/wp-json\/wp\/v2\/media?parent=3015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/earthft.com\/en\/wp-json\/wp\/v2\/categories?post=3015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/earthft.com\/en\/wp-json\/wp\/v2\/tags?post=3015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}