“`” \u53c2\u8003\u56de\u7b54\uff1a<\/p>\n
\u6570\u5b57\u56fe\u50cf\u5904\u7406\u5e38\u7528\u65b9\u6cd5\uff1a<\/p>\n
1\uff09\u56fe\u50cf\u53d8\u6362\uff1a\u7531\u4e8e\u56fe\u50cf\u9635\u5217\u5f88\u5927\uff0c\u76f4\u63a5\u5728\u7a7a\u95f4\u57df\u4e2d\u8fdb\u884c\u5904\u7406\uff0c\u6d89\u53ca\u8ba1\u7b97\u91cf\u5f88\u5927\u3002\u56e0\u6b64\uff0c\u5f80\u5f80\u91c7\u7528\u5404\u79cd\u56fe\u50cf\u53d8\u6362\u7684\u65b9\u6cd5\uff0c\u5982\u5085\u7acb\u53f6\u53d8\u6362\u3001\u6c83\u5c14\u4ec0\u53d8\u6362\u3001\u79bb\u6563\u4f59\u5f26\u53d8\u6362\u7b49\u95f4\u63a5\u5904\u7406\u6280\u672f\uff0c\u5c06\u7a7a\u95f4\u57df\u7684\u5904\u7406\u8f6c\u6362\u4e3a\u53d8\u6362\u57df\u5904\u7406\uff0c\u4e0d\u4ec5\u53ef\u51cf\u5c11\u8ba1\u7b97\u91cf\uff0c\u800c\u4e14\u53ef\u83b7\u5f97\u66f4\u6709\u6548\u7684\u5904\u7406\uff08\u5982\u5085\u7acb\u53f6\u53d8\u6362\u53ef\u5728\u9891\u57df\u4e2d\u8fdb\u884c\u6570\u5b57\u6ee4\u6ce2\u5904\u7406\uff09\u3002\u76ee\u524d\u65b0\u5174\u7814\u7a76\u7684\u5c0f\u6ce2\u53d8\u6362\u5728\u65f6\u57df\u548c\u9891\u57df\u4e2d\u90fd\u5177\u6709\u826f\u597d\u7684\u5c40\u90e8\u5316\u7279\u6027\uff0c\u5b83\u5728\u56fe\u50cf\u5904\u7406\u4e2d\u4e5f\u6709\u7740\u5e7f\u6cdb\u800c\u6709\u6548\u7684\u5e94\u7528\u3002<\/p>\n
2\uff09\u56fe\u50cf\u7f16\u7801\u538b\u7f29\uff1a\u56fe\u50cf\u7f16\u7801\u538b\u7f29\u6280\u672f\u53ef\u51cf\u5c11\u63cf\u8ff0\u56fe\u50cf\u7684\u6570\u636e\u91cf\uff08\u5373\u6bd4\u7279\u6570\uff09\uff0c\u4ee5\u4fbf\u8282\u7701\u56fe\u50cf\u4f20\u8f93\u3001\u5904\u7406\u65f6\u95f4\u548c\u51cf\u5c11\u6240\u5360\u7528\u7684\u5b58\u50a8\u5668\u5bb9\u91cf\u3002\u538b\u7f29\u53ef\u4ee5\u5728\u4e0d\u5931\u771f\u7684\u524d\u63d0\u4e0b\u83b7\u5f97\uff0c\u4e5f\u53ef\u4ee5\u5728\u5141\u8bb8\u7684\u5931\u771f\u6761\u4ef6\u4e0b\u8fdb\u884c\u3002\u7f16\u7801\u662f\u538b\u7f29\u6280\u672f\u4e2d\u6700\u91cd\u8981\u7684\u65b9\u6cd5\uff0c\u5b83\u5728\u56fe\u50cf\u5904\u7406\u6280\u672f\u4e2d\u662f\u53d1\u5c55\u6700\u65e9\u4e14\u6bd4\u8f83\u6210\u719f\u7684\u6280\u672f\u3002<\/p>\n
3\uff09\u56fe\u50cf\u589e\u5f3a\u548c\u590d\u539f\uff1a\u56fe\u50cf\u589e\u5f3a\u548c\u590d\u539f\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u63d0\u9ad8\u56fe\u50cf\u7684\u8d28\u91cf\uff0c\u5982\u53bb\u9664\u566a\u58f0\uff0c\u63d0\u9ad8\u56fe\u50cf\u7684\u6e05\u6670\u5ea6\u7b49\u3002\u56fe\u50cf\u589e\u5f3a\u4e0d\u8003\u8651\u56fe\u50cf\u964d\u8d28\u7684\u539f\u56e0\uff0c\u7a81\u51fa\u56fe\u50cf\u4e2d\u6240\u611f\u5174\u8da3\u7684\u90e8\u5206\u3002\u5982\u5f3a\u5316\u56fe\u50cf\u9ad8\u9891\u5206\u91cf\uff0c\u53ef\u4f7f\u56fe\u50cf\u4e2d\u7269\u4f53\u8f6e\u5ed3\u6e05\u6670\uff0c\u7ec6\u8282\u660e\u663e\uff1b\u5982\u5f3a\u5316\u4f4e\u9891\u5206\u91cf\u53ef\u51cf\u5c11\u56fe\u50cf\u4e2d\u566a\u58f0\u5f71\u54cd\u3002\u56fe\u50cf\u590d\u539f\u8981\u6c42\u5bf9\u56fe\u50cf\u964d\u8d28\u7684\u539f\u56e0\u6709\u4e00\u5b9a\u7684\u4e86\u89e3\uff0c\u4e00\u822c\u8bb2\u5e94\u6839\u636e\u964d\u8d28\u8fc7\u7a0b\u5efa\u7acb\u201c\u964d\u8d28\u6a21\u578b\u201d\uff0c\u518d\u91c7\u7528\u67d0\u79cd\u6ee4\u6ce2\u65b9\u6cd5\uff0c\u6062\u590d\u6216\u91cd\u5efa\u539f\u6765\u7684\u56fe\u50cf\u3002<\/p>\n
4\uff09\u56fe\u50cf\u5206\u5272\uff1a\u56fe\u50cf\u5206\u5272\u662f\u6570\u5b57\u56fe\u50cf\u5904\u7406\u4e2d\u7684\u5173\u952e\u6280\u672f\u4e4b\u4e00\u3002\u56fe\u50cf\u5206\u5272\u662f\u5c06\u56fe\u50cf\u4e2d\u6709\u610f\u4e49\u7684\u7279\u5f81\u90e8\u5206\u63d0\u53d6\u51fa\u6765\uff0c\u5176\u6709\u610f\u4e49\u7684\u7279\u5f81\u6709\u56fe\u50cf\u4e2d\u7684\u8fb9\u7f18\u3001\u533a\u57df\u7b49\uff0c\u8fd9\u662f\u8fdb\u4e00\u6b65\u8fdb\u884c\u56fe\u50cf\u8bc6\u522b\u3001\u5206\u6790\u548c\u7406\u89e3\u7684\u57fa\u7840\u3002\u867d\u7136\u76ee\u524d\u5df2\u7814\u7a76\u51fa\u4e0d\u5c11\u8fb9\u7f18\u63d0\u53d6\u3001\u533a\u57df\u5206\u5272\u7684\u65b9\u6cd5\uff0c\u4f46\u8fd8\u6ca1\u6709\u4e00\u79cd\u666e\u904d\u9002\u7528\u4e8e\u5404\u79cd\u56fe\u50cf\u7684\u6709\u6548\u65b9\u6cd5\u3002\u56e0\u6b64\uff0c\u5bf9\u56fe\u50cf\u5206\u5272\u7684\u7814\u7a76\u8fd8\u5728\u4e0d\u65ad\u6df1\u5165\u4e4b\u4e2d\uff0c\u662f\u76ee\u524d\u56fe\u50cf\u5904\u7406\u4e2d\u7814\u7a76\u7684\u70ed\u70b9\u4e4b\u4e00\u3002<\/p>\n
5\uff09\u56fe\u50cf\u63cf\u8ff0\uff1a\u56fe\u50cf\u63cf\u8ff0\u662f\u56fe\u50cf\u8bc6\u522b\u548c\u7406\u89e3\u7684\u5fc5\u8981\u524d\u63d0\u3002\u4f5c\u4e3a\u6700\u7b80\u5355\u7684\u4e8c\u503c\u56fe\u50cf\u53ef\u91c7\u7528\u5176\u51e0\u4f55\u7279\u6027\u63cf\u8ff0\u7269\u4f53\u7684\u7279\u6027\uff0c\u4e00\u822c\u56fe\u50cf\u7684\u63cf\u8ff0\u65b9\u6cd5\u91c7\u7528\u4e8c\u7ef4\u5f62\u72b6\u63cf\u8ff0\uff0c\u5b83\u6709\u8fb9\u754c\u63cf\u8ff0\u548c\u533a\u57df\u63cf\u8ff0\u4e24\u7c7b\u65b9\u6cd5\u3002\u5bf9\u4e8e\u7279\u6b8a\u7684\u7eb9\u7406\u56fe\u50cf\u53ef\u91c7\u7528\u4e8c\u7ef4\u7eb9\u7406\u7279\u5f81\u63cf\u8ff0\u3002\u968f\u7740\u56fe\u50cf\u5904\u7406\u7814\u7a76\u7684\u6df1\u5165\u53d1\u5c55\uff0c\u5df2\u7ecf\u5f00\u59cb\u8fdb\u884c\u4e09\u7ef4\u7269\u4f53\u63cf\u8ff0\u7684\u7814\u7a76\uff0c\u63d0\u51fa\u4e86\u4f53\u79ef\u63cf\u8ff0\u3001\u8868\u9762\u63cf\u8ff0\u3001\u5e7f\u4e49\u5706\u67f1\u4f53\u63cf\u8ff0\u7b49\u65b9\u6cd5\u3002<\/p>\n
6\uff09\u56fe\u50cf\u5206\u7c7b\uff08\u8bc6\u522b\uff09\uff1a\u56fe\u50cf\u5206\u7c7b\uff08\u8bc6\u522b\uff09\u5c5e\u4e8e\u6a21\u5f0f\u8bc6\u522b\u7684\u8303\u7574\uff0c\u5176\u4e3b\u8981\u5185\u5bb9\u662f\u56fe\u50cf\u7ecf\u8fc7\u67d0\u4e9b\u9884\u5904\u7406\uff08\u589e\u5f3a\u3001\u590d\u539f\u3001\u538b\u7f29\uff09\u540e\uff0c\u8fdb\u884c\u56fe\u50cf\u5206\u5272\u548c\u7279\u5f81\u63d0\u53d6\uff0c\u4ece\u800c\u8fdb\u884c\u5224\u51b3\u5206\u7c7b\u3002\u56fe\u50cf\u5206\u7c7b\u5e38\u91c7\u7528\u7ecf\u5178\u7684\u6a21\u5f0f\u8bc6\u522b\u65b9\u6cd5\uff0c\u6709\u7edf\u8ba1\u6a21\u5f0f\u5206\u7c7b\u548c\u53e5\u6cd5\uff08\u7ed3\u6784\uff09\u6a21\u5f0f\u5206\u7c7b\uff0c\u8fd1\u5e74\u6765\u65b0\u53d1\u5c55\u8d77\u6765\u7684\u6a21\u7cca\u6a21\u5f0f\u8bc6\u522b\u548c\u4eba\u5de5\u795e\u7ecf\u7f51\u7edc\u6a21\u5f0f\u5206\u7c7b\u5728\u56fe\u50cf\u8bc6\u522b\u4e2d\u4e5f\u8d8a\u6765\u8d8a\u53d7\u5230\u91cd\u89c6\u3002<\/p>\n
\u5168\u5c40\u5bf9\u6bd4\u5ea6\u589e\u5f3a<\/p>\n
\\1. \u76f4\u65b9\u56fe\u5747\u8861\u5316 Histogram Equalization<\/p>\n
\u7b97\u6cd5\uff1a<\/p>\n
1\uff09\u6839\u636e\u56fe\u50cf\u7070\u5ea6\u8ba1\u7b97\u7070\u5ea6\u6982\u7387\u5bc6\u5ea6\u51fd\u6570PDF<\/p>\n
2\uff09\u8ba1\u7b97\u7d2f\u79ef\u6982\u7387\u5206\u5e03\u51fd\u6570CDF<\/p>\n
3\uff09\u5c06CDF\u5f52\u4e00\u5316\u5230\u539f\u56fe\u7070\u5ea6\u53d6\u503c\u8303\u56f4\uff0c\u5982[0,255]\u3002<\/p>\n
4\uff09\u4e4b\u540eCDF\u56db\u820d\u4e94\u5165\u53d6\u6574\uff0c\u5f97\u5230\u7070\u5ea6\u8f6c\u6362\u51fd\u6570sk=T(rk)<\/p>\n
5\uff09\u5c06CDF\u4f5c\u4e3a\u8f6c\u6362\u51fd\u6570\uff0c\u5c06\u7070\u5ea6\u4e3ark\u7684\u70b9\u8f6c\u6362\u4e3ask\u7070\u5ea6<\/p>\n
\\2. \u76f4\u65b9\u56fe\u5339\u914d Histogram Matching<\/p>\n
\u7b97\u6cd5\uff1a<\/p>\n
1\uff09\u6839\u636e\u56fe\u50cf\u8ba1\u7b97\u6982\u7387\u5bc6\u5ea6\u5206\u5e03pr(r)\uff1b<\/p>\n
2\uff09\u6839\u636epr(r)\u8ba1\u7b97\u7d2f\u8ba1\u5206\u5e03\u51fd\u6570sk=T(rk)\uff1b<\/p>\n
3\uff09\u6839\u636e\u7ed9\u5b9a\u7684\u76ee\u6807\u5206\u5e03pz(z)\u8ba1\u7b97\u7d2f\u8ba1\u5206\u5e03\u51fd\u6570G(zq)\uff1b<\/p>\n
4\uff09\u5bf9\u4e8e\u6bcf\u4e00\u4e2ak\uff0c\u627e\u5230\u4e00\u4e2aq\uff0c\u4f7f\u5f97G(zq)\u7ea6\u7b49\u4e8esk\uff1b<\/p>\n
5\uff09\u5c06\u539f\u56fe\u4e2d\u7070\u5ea6\u4e3ak\u7684\u70b9\u53d8\u4e3a\u7070\u5ea6q\uff1b<\/p>\n
\u5c40\u90e8\u5bf9\u6bd4\u5ea6\u589e\u5f3a<\/p>\n
\\1. \u90bb\u57df\u76f4\u65b9\u56fe\u5747\u8861\uff1a\u5c06\u5168\u5c40\u76f4\u65b9\u56fe\u5747\u8861\u7684\u601d\u60f3\u5e94\u7528\u4e8e\u90bb\u57df\u76f4\u65b9\u56fe\u5904\u7406\u4e2d\u3002<\/p>\n
\\2. \u90bb\u57df\u76f4\u65b9\u56fe\u5339\u914d\uff1a\u5c06\u5168\u5c40\u76f4\u65b9\u56fe\u5339\u914d\u7684\u601d\u60f3\u5e94\u7528\u4e8e\u90bb\u57df\u76f4\u65b9\u56fe\u5904\u7406\u4e2d\u3002<\/p>\n
\\3. \u90bb\u57df\u7edf\u8ba1\u65b9\u6cd5<\/p>\n
\u7b97\u6cd5<\/p>\n
1\uff09\u521d\u59cb\u5316\uff1a\u589e\u5f3a\u5e38\u6570E\uff0c\u7070\u5ea6\u4e0b\u9608\u503ck0\uff0c\u6807\u51c6\u5dee\u4e0b\u9608\u503ck1\uff0c\u6807\u51c6\u5dee\u4e0a\u9608\u503ck2\uff0c\u7a97\u53e3\u534a\u5bbds\uff1b<\/p>\n
2\uff09\u8ba1\u7b97\u56fe\u50cf\u7070\u5ea6\u5747\u503cMG\u548c\u7070\u5ea6\u6807\u51c6\u5dee\u03c3G\uff1b<\/p>\n
3\uff09\u5bf9\u4e8e\u6bcf\u4e00\u4e2a\u50cf\u7d20\uff0c\u8ba1\u7b97\u90bb\u57df\uff08\u5927\u5c0f\u4e3a2\u2217step+1\u7684\u65b9\u5757\uff09\u5185\u7070\u5ea6\u5747\u503cML\u548c\u6807\u51c6\u5dee\u03c3L\uff1b<\/p>\n
4\uff09\u5982\u679cML<=k0\u2217MGML<=k0\u2217MG\u5e76\u4e14k1\u2217\u03c3G<=\u03c3L<=k2\u2217\u03c3G\uff0c\u5c06\u50cf\u7d20\u7070\u5ea6\u4e58\u4ee5E\u3002<\/p>\n
<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
“`” \u53c2\u8003\u56de\u7b54\uff1a \u6570\u5b57\u56fe\u50cf\u5904\u7406\u5e38\u7528\u65b9\u6cd5\uff1a 1\uff09\u56fe\u50cf\u53d8\u6362\uff1a\u7531\u4e8e\u56fe\u50cf\u9635\u5217\u5f88\u5927\uff0c\u76f4\u63a5\u5728\u7a7a\u95f4 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-44232","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/44232","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=44232"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/44232\/revisions"}],"predecessor-version":[{"id":44233,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/44232\/revisions\/44233"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=44232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=44232"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=44232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}