{"id":552,"date":"2022-08-10T08:25:20","date_gmt":"2022-08-10T08:25:20","guid":{"rendered":"https:\/\/blog.liguanxin.cn\/?p=552"},"modified":"2022-08-10T08:25:20","modified_gmt":"2022-08-10T08:25:20","slug":"%e8%ae%ba%e6%96%87%e7%ac%94%e8%ae%b0-hipa-hierarchical-patch-transformer-for-single-image-super-resolution","status":"publish","type":"post","link":"https:\/\/blog.liguanxin.cn\/index.php\/2022\/08\/10\/%e8%ae%ba%e6%96%87%e7%ac%94%e8%ae%b0-hipa-hierarchical-patch-transformer-for-single-image-super-resolution\/","title":{"rendered":"\u8bba\u6587\u7b14\u8bb0\u2014\u2014HIPA: Hierarchical Patch Transformer for Single Image Super Resolution"},"content":{"rendered":"<p><strong>\u521b\u65b0\u70b9\uff1a<br \/>\n\u2460\u5bf9LR\u56fe\u50cf\u5904\u7406\u6210\u5206\u5c42\u6b21\u7684\u5b50\u5757\uff0c\u901a\u8fc7\u8fed\u4ee3\u7684\u7f51\u7edc\uff0c\u5f62\u6210\u4ece\u5c0f\u5230\u5927\u4e0d\u540csize\u7684\u533a\u57df\u3002<br \/>\n\u2461\u57fa\u4e8e\u901a\u9053\u6ce8\u610f\u529b\u7684\u4f4d\u7f6e\u7f16\u7801\u7b56\u7565\u3002<br \/>\n\u2462\u57fa\u4e8e\u5377\u79ef\u7684\u591a\u5c42\u6ce8\u610f\u529b\u7ec4<\/strong><\/p>\n<h1>\u603b\u4f53\u7ed3\u6784<\/h1>\n<h2>\u5206\u5c42patch\u7684Transformer\u673a\u5236<\/h2>\n<p><img src=\"https:\/\/blog.liguanxin.cn\/wp-content\/uploads\/2022\/08\/\u5fae\u4fe1\u622a\u56fe_20220810154915.png\" alt=\"\" \/><br \/>\n\u6e10\u8fdb\u5f0f\u7684\u56fe\u50cf\u5212\u5206\u7b56\u7565\uff1a<\/p>\n<ul>\n<li>stage1:\u9996\u5148\u56fe\u50cf\u5212\u5206\u4e3a4\u4e2a\u90e8\u5206\uff0c\u5206\u522b\u8fdb\u5165\u7f51\u7edc\u8bad\u7ec3\uff0c\u5f97\u5230\u8f93\u51fa\u56fe\u50cf<span class=\"katex-eq\" data-katex-display=\"false\">I^1_{HR}<\/span><\/li>\n<li>stage2:\u56fe\u50cf\u5212\u5206\u4e3a2\u4e2a\u90e8\u5206(\u5782\u76f4\u5212\u5206)\uff0cconcat\u4e0a\u4e00\u4e2astage\u7684\u8f93\u51fa\uff0c\u8fdb\u5165\u7f51\u7edc\u8bad\u7ec3\uff0c\u5f97\u5230\u8f93\u51fa\u56fe\u50cf<span class=\"katex-eq\" data-katex-display=\"false\">I^2_{HR}<\/span><\/li>\n<li>stage3:\u56fe\u50cf\u4e0d\u5212\u5206\uff0cconcat\u4e0a\u4e00\u4e2astage\u7684\u8f93\u51fa\uff0c\u76f4\u63a5\u8fdb\u5165\u7f51\u7edc\u8bad\u7ec3\uff0c\u5e76\u4e14\u7f51\u7edc\u4e0d\u52a0\u4f4d\u7f6e\u7f16\u7801APE\uff0c\u5f97\u5230\u8f93\u51fa<span class=\"katex-eq\" data-katex-display=\"false\">I^3_{HR}<\/span>\u3002<\/li>\n<li>\u6700\u7ec8\u4e09\u90e8\u5206\u4e0eHR\u8ba1\u7b97L1loss\uff0c\u4e58\u4ee5\u6743\u91cd\u5f97\u5230loss<br \/>\n<img src=\"https:\/\/blog.liguanxin.cn\/wp-content\/uploads\/2022\/08\/\u5fae\u4fe1\u622a\u56fe_20220810160753.png\" alt=\"\" \/><\/li>\n<\/ul>\n<hr \/>\n<h2>Attention-based Position Encoding Vision Transformer\u4f4d\u7f6e\u7f16\u7801APE\uff0dViT<\/h2>\n<p>\u672c\u6587\u7684Transformer\u8ddfViT\u552f\u4e00\u533a\u522b\u5c31\u662f\u57fa\u4e8e\u901a\u9053\u6ce8\u610f\u529b\u7684\u4f4d\u7f6e\u7f16\u7801\u3002<\/p>\n<p>ViT\u7684\u4f4d\u7f6e\u7f16\u7801\u662f\u9884\u5b9a\u4e49\u800c\u4e14\u4e0e\u8f93\u5165tokens\u72ec\u7acb\u3002\u82e5\u8f93\u5165\u56fe\u50cfsize\u53d8\u5316\uff0c\u5219patch size\u6570\u91cf\u4e5f\u4f1a\u53d8\u5316\uff0c\u4f4d\u7f6e\u7f16\u7801\u5c31\u5339\u914d\u4e0d\u4e0a\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u9700\u8981\u5bf9\u8f93\u5165\u56fe\u50cf\u8fdb\u884c\u63d2\u503c\u3002<\/p>\n<p>\u672c\u6587\u63d0\u51fa\u57fa\u4e8e\u901a\u9053\u7684\u4f4d\u7f6e\u7f16\u7801\uff1a<br \/>\n<img src=\"https:\/\/blog.liguanxin.cn\/wp-content\/uploads\/2022\/08\/\u5fae\u4fe1\u622a\u56fe_20220810161913.png\" alt=\"\" \/><\/p>\n<p>\u8fd8\u539f\u56de\u539f\u56fe\u8dd1\u4e00\u4e2a\u901a\u9053\u6ce8\u610f\u529bCA\u518dreshape\u56de\u53bb<\/p>\n<hr \/>\n<h2>Attention-based Position Encoding Vision Transformer\u591a\u5c42\u611f\u77e5\u6ce8\u610f\u529b\u7ec4<\/h2>\n<p><img src=\"https:\/\/blog.liguanxin.cn\/wp-content\/uploads\/2022\/08\/\u5fae\u4fe1\u622a\u56fe_20220810162010.png\" alt=\"\" \/><br \/>\nConv\u662f\u666e\u901a\u5377\u79ef\uff0cDconv\u662f\u7a7a\u6d1e\u5377\u79ef\u3002<br \/>\n\u5176\u5b9e\u5c31\u662f\u591a\u5c3a\u5ea6\u7684\u901a\u9053\u6ce8\u610f\u529b\uff0c\u5229\u7528\u7a7a\u6d1e\u5377\u79ef\u51cf\u5c11\u8ba1\u7b97\u91cf<\/p>\n<h2>\u7ed3\u679c<\/h2>\n<p><img src=\"https:\/\/blog.liguanxin.cn\/wp-content\/uploads\/2022\/08\/\u5fae\u4fe1\u622a\u56fe_20220810162342.png\" alt=\"\" \/><\/p>\n<h2>\u53c2\u6570\u91cf<\/h2>\n<p><img src=\"https:\/\/blog.liguanxin.cn\/wp-content\/uploads\/2022\/08\/\u5fae\u4fe1\u622a\u56fe_20220810162422.png\" alt=\"\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u521b\u65b0\u70b9\uff1a \u2460\u5bf9LR\u56fe\u50cf\u5904\u7406\u6210\u5206\u5c42\u6b21\u7684\u5b50\u5757\uff0c\u901a\u8fc7\u8fed\u4ee3\u7684\u7f51\u7edc\uff0c\u5f62\u6210\u4ece\u5c0f\u5230\u5927\u4e0d\u540csize\u7684\u533a\u57df\u3002 \u2461\u57fa\u4e8e\u901a\u9053\u6ce8\u610f\u529b\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[14,19,11,21],"_links":{"self":[{"href":"https:\/\/blog.liguanxin.cn\/index.php\/wp-json\/wp\/v2\/posts\/552"}],"collection":[{"href":"https:\/\/blog.liguanxin.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.liguanxin.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.liguanxin.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.liguanxin.cn\/index.php\/wp-json\/wp\/v2\/comments?post=552"}],"version-history":[{"count":0,"href":"https:\/\/blog.liguanxin.cn\/index.php\/wp-json\/wp\/v2\/posts\/552\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.liguanxin.cn\/index.php\/wp-json\/wp\/v2\/media?parent=552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.liguanxin.cn\/index.php\/wp-json\/wp\/v2\/categories?post=552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.liguanxin.cn\/index.php\/wp-json\/wp\/v2\/tags?post=552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}