{"id":4891,"date":"2024-03-03T12:01:01","date_gmt":"2024-03-03T04:01:01","guid":{"rendered":""},"modified":"2024-03-03T12:01:01","modified_gmt":"2024-03-03T04:01:01","slug":"\u5e94\u7528\u533a\u57df\u751f\u957f\uff08Seeded Region Growing\uff09\u7b97\u6cd5\u63d0\u53d62D\u6fc0\u5149\u4e2d\u7684\u7ebf\u6bb5\u6570\u636e","status":"publish","type":"post","link":"https:\/\/mushiming.com\/4891.html","title":{"rendered":"\u5e94\u7528\u533a\u57df\u751f\u957f\uff08Seeded Region Growing\uff09\u7b97\u6cd5\u63d0\u53d62D\u6fc0\u5149\u4e2d\u7684\u7ebf\u6bb5\u6570\u636e"},"content":{"rendered":"

\n <\/path> \n<\/svg> <\/p>\n

0 Background<\/h2>\n

\u672c\u6587\u662f\u9488\u5bf9\u4e8e **\u300aA line segment extraction algorithm using laser data based on seeded region growing\u300b**\u8fdb\u884c\u7684\u7b97\u6cd5\u7406\u89e3\u8bb0\u5f55\uff0c\u7b97\u6cd5\u7684\u601d\u60f3\u65b9\u6cd5\u4e3b\u8981\u6765\u6e90\u4e8e\u8be5\u6587\u7ae0\u3002
\"\u5e94\u7528\u533a\u57df\u751f\u957f\uff08Seeded<\/p>\n

\u6587\u7ae0\u4e2d\u9488\u5bf9\u4e8e\u6d41\u884c\u7684\u56fe\u50cf\u7ebf\u6bb5\u5206\u5272\u65b9\u6cd5Split-and-Merge\u4e2d\u5b58\u5728\u7684\u7ebf\u6bb5\u8bef\u5206\u5272\u95ee\u9898\uff08\u5982\u4e0a\u56fe\u6240\u793a\uff09\uff0c\u63d0\u51fa\u4e86\u57fa\u4e8e\u533a\u57df\u751f\u957f\uff08Seeded Region Growing, SRG\uff09\u7684\u7b97\u6cd5\u6765\u5206\u5272\u7ebf\u6bb5\u3002\u8be5SRG\u7b97\u6cd5\u6d41\u884c\u4e8e\u56fe\u50cf\u5904\u7406\u9886\u57df\uff0c\u662f\u56fe\u50cf\u5206\u5272\u6280\u672f\u7684\u4e00\u79cd\u3002\u6587\u4e2d\u4e3a\u4e86\u5e94\u7528\u4e8e2D\u6fc0\u5149\u6570\u636e\u7684\u5206\u5272\uff0c\u8fdb\u884c\u4e86\u524d\u540e\u9636\u6bb5\u7684\u5904\u7406\u3002<\/p>\n

\n

1 \u533a\u57df\u751f\u957f\u7b97\u6cd5(Seeded Region Growing, SRG)<\/h2>\n

\u533a\u57df\u751f\u957f\u7684\u57fa\u672c\u601d\u60f3\u662f\u5c06\u5177\u6709\u76f8\u4f3c\u6027\u7684\u50cf\u7d20\u96c6\u5408\u8d77\u6765\u6784\u6210\u533a\u57df\u3002
\u9996\u5148\u5bf9\u6bcf\u4e2a\u9700\u8981\u5206\u5272\u7684\u533a\u57df\u627e\u51fa\u4e00\u4e2a\u79cd\u5b50\u50cf\u7d20\u4f5c\u4e3a\u751f\u957f\u7684\u5947\u70b9\uff0c\u7136\u540e\u5c06\u79cd\u5b50\u50cf\u7d20\u5468\u56f4\u90bb\u57df\u4e2d\u4e0e\u79cd\u5b50\u6709\u76f8\u540c\u6216\u76f8\u4f3c\u6027\u8d28\u7684\u50cf\u7d20\u5408\u5e76\u5230\u79cd\u5b50\u50cf\u7d20\u6240\u5728\u7684\u533a\u57df\u4e2d\u3002
\u800c\u65b0\u7684\u50cf\u7d20\u7ee7\u7eed\u4f5c\u4e3a\u79cd\u5b50\u5411\u56db\u5468\u751f\u957f\uff0c\u76f4\u5230\u518d\u6ca1\u6709\u6ee1\u8db3\u6761\u4ef6\u7684\u50cf\u7d20\u53ef\u4ee5\u5305\u62ec\u8fdb\u6765\uff0c\u4e00\u4e2a\u533a\u57df\u5c31\u751f\u957f\u800c\u6210\u4e86\u3002<\/p>\n

\u533a\u57df\u751f\u957f\u7b97\u6cd5\u7684\u57fa\u672c\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n

    \n
  1. \u9488\u5bf9\u4e8e\u70b9\u96c6N<\/em>\uff0c\u83b7\u5f97\u7b2c\u4e00\u4e2a\u672a\u68c0\u7d22\u7684\u70b9P(x,y)<\/em><\/li>\n
  2. \u9488\u5bf9\u4e8e\u70b9P<\/em>\u68c0\u7d22\u51764\u90bb\u57df\u62168\u90bb\u57df\u70b9C<\/em>,\u5982\u679c\u7b26\u5408\u68c0\u7d22\u6761\u4ef6\uff0c\u5219\u53ef\u5c06\u6539\u70b9C<\/em>\u5206\u914d\u8fdb\u533a\u57df\u4e2d\uff0c\u5e76\u5c06\u70b9C<\/em>\u538b\u5165\u5f85\u68c0\u7d22\u6808St<\/em>\u4e2d\u3002<\/li>\n
  3. \u4eceSt<\/em>\u4e2d\u5f39\u51fa\u70b9\u5e76\u4f5c\u4e3aP<\/em>\u91cd\u590d\u6b65\u9aa42.<\/li>\n
  4. \u5f53St<\/em>\u4e3a\u7a7a\u65f6\u8fd4\u56de\u6b65\u9aa41<\/li>\n
  5. \u5f53\u70b9\u96c6N<\/em>\u5747\u88ab\u68c0\u7d22\u540e\u7b97\u6cd5\u5b8c\u6210\u3002<\/li>\n<\/ol>\n
    \n

    2 SRG\u5e94\u7528\u4e8e2D\u6fc0\u5149\u6570\u636e\u7684\u7ebf\u6bb5\u63d0\u53d6<\/h2>\n

    2D\u6fc0\u5149\u6570\u636e\u4e2d\u7684\u7ebf\u6bb5\u63d0\u53d6\u4e0d\u540c\u4e8e\u56fe\u50cf\u4e2d\u7684\u5206\u5272\uff0c\u5176\u4e2d\u6709\u5bf9\u62df\u5408\u7ebf\u6bb5\u7684\u53c2\u6570\u4f30\u8ba1\u3001\u566a\u58f0\u6216\u5206\u79bb\u70b9\u7684\u5904\u7406\u3001\u91cd\u5408\u90e8\u5206\u7684\u5904\u7406\u7b49\u3002\u56e0\u6b64\uff0c\u6587\u7ae0\u4e2d\u63d0\u51fa\u4e86\u51e0\u4e2a\u65b9\u6cd5\u6765\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n

    2.1 \u62df\u5408\u7ebf\u6bb5\u7684\u53c2\u6570\u4f30\u8ba1<\/h3>\n

    \u5bf9SRG\u5e94\u7528\u4e8e\u6fc0\u5149\u6570\u636e\u6765\u8bf4\uff0c\u9996\u5148\u8981\u89e3\u51b3\u62df\u5408\u7ebf\u6bb5ax+by+c=0<\/em>\u4e2d\u7684\u53c2\u6570\u4f30\u8ba1\u95ee\u9898\uff0c\u4e5f\u5c31\u662f\u201c\u79cd\u5b50\u5982\u4f55\u751f\u6210\u201d\u7684\u95ee\u9898\u3002\u6587\u4e2d\u63d0\u51fa\u4e86\u4e00\u79cd\u57fa\u4e8e\u5168\u5c40\u68c0\u7d22\u7684\u65b9\u6cd5\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u4e24\u79cd\u5bf9\u7ebf\u6bb5\u7684\u5224\u5b9a\u8f85\u52a9\uff1a\u70b9\u4e0e\u7ebf\u7684\u8ddd\u79bb\u548c\u70b9\u95f4\u8ddd\u79bb\u68c0\u67e5\u3002\u7b97\u6cd5\u63cf\u8ff0\u5982\u4e0b\uff1a<\/p>\n

      \n
    1. \u5bf9\u4e8e\u70b9\u96c6N<\/em>\u4e2d\u7684\u5b50\u70b9\u96c6Sub(i,j)<\/em> \u8fdb\u884c\u7ebf\u6bb5\u62df\u5408\u6c42\u51fa\uff08a,b,c\uff09\u7684\u53c2\u6570\uff0c\u5176\u4e2d Sub(i,j)<\/em> \u8868\u793a\u70b9\u96c6\u7684\u8303\u56f4\u662f\u7b2ci\u70b9\u81f3\u7b2cj\u70b9\u3002<\/li>\n
    2. \u9488\u5bf9\u4e8e [i,j]<\/em> \u4e2d\u7684\u70b9\u68c0\u6d4b\u70b9\u4e0e\u76f4\u7ebf\u7684\u8ddd\u79bb\uff0c\u5982\u679c\u5927\u4e8e\u7ed9\u5b9a\u9608\u503c\u5219break<\/li>\n
    3. \u9488\u5bf9\u4e8e [i,j]<\/em> \u4e2d\u7684\u70b9\u68c0\u6d4b\u70b9\u4e0e\u70b9\u7684\u8ddd\u79bb\uff0c\u5982\u679c\u5927\u4e8e\u7ed9\u5b9a\u9608\u503c\u5219break<\/li>\n
    4. \u7ecf\u8fc7\u68c0\u6d4b\u5219\u8fd4\u56deSeed\u70b9\u96c6 Sub(i,j)<\/em>\u3002<\/li>\n<\/ol>\n

      \u5176\u4e2d\uff0c\u6b65\u9aa43\u662f\u9488\u5bf9\u4e8e\u6fc0\u5149\u70b9\u7684\u4e00\u4e2a\u9884\u6d4b\uff0c\u67d0\u4e9b\u70b9\u56e0\u4e3a\u77ed\u8ddd\u79bb\u626b\u63cf\u7684\u5939\u89d2\u5bfc\u81f4\u70b9\u95f4\u8ddd\u8fc7\u5927\uff0c\u7b97\u6cd5\u4e2d\u91c7\u7528\u4e86\u4e00\u4e2a\u9884\u6d4b\u68c0\u9a8c\u65b9\u5f0f\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a
      \"\u5e94\u7528\u533a\u57df\u751f\u957f\uff08Seeded
      \u7b97\u6cd5\u4e2d\u7528\u7ea2\u7ebf\u4e0a\u7684\u70b9\u4f5c\u4e3apredict \u70b9\u6765\u68c0\u6d4b\u70b9\u70b9\u95f4\u8ddd\u3002<\/p>\n

      2.2 \u533a\u57df\u751f\u957f<\/h3>\n

      \u7b97\u6cd5\u601d\u60f3\u76f8\u4f3c\u4e0e1\u4e2d\u7684\u4ecb\u7ecd\uff0c\u5bf9\u4e8e\u4e0d\u540c Sub(i,j)<\/em> \u8fdb\u884c\u90bb\u57df\u70b9\u68c0\u6d4b\uff0c\u770b\u662f\u5426\u53ef\u4ee5\u5206\u7c7b\u5165\u76f4\u7ebf\uff0c\u4e5f\u5373\u751f\u957f<\/strong>\u8fc7\u7a0b\u3002<\/p>\n

      2.3 \u8fde\u63a5\u533a\u57df\u5904\u7406<\/h3>\n

      \u663e\u800c\u6613\u89c1\uff0c2.1\u4e2d\u7684\u60c5\u51b5\u5bb9\u6613\u5c06\u672c\u4e0d\u5e94\u8be5\u591a\u5206\u5f00\u7684\u7ebf\u6bb5\u5206\u6210\u4e24\u7c7b\uff0c\u4e5f\u5c31\u662f\u53c2\u6570\u654f\u611f\u3002\u6587\u7ae0\u4e2d\u5bf9\u76f8\u90bb\u7ebf\u6bb5\u5982\u679c\u6709\u90bb\u63a5\u533a\u57df\u8fdb\u884c\u4e86\u5904\u7406\u548c\u878d\u5408\uff0c\u6574\u5408\u4e86\u957f\u7ebf\u6bb5\u5206\u7c7b\u6027\u80fd\u3002
      \"\u5e94\u7528\u533a\u57df\u751f\u957f\uff08Seeded<\/p>\n

      2.4 \u7ec8\u70b9\u68c0\u6d4b<\/h3>\n

      \u9488\u5bf9\u4e8e\u5212\u5206\u597d\u7684\u76f4\u7ebf\uff0c\u6587\u7ae0\u4e2d\u7684\u7b97\u6cd5\u901a\u8fc7\u68c0\u6d4b\u5782\u76f4\u4e8e\u76f4\u7ebf ax+by+c=0<\/em> \u7684\u70b9\u6765\u786e\u5b9a\u7ec8\u70b9\u3002
      \"\u5e94\u7528\u533a\u57df\u751f\u957f\uff08Seeded<\/p>\n

      3 \u5b9e\u9a8c\u7ed3\u679c<\/h2>\n

      \u6587\u7ae0\u4e2d\u63d0\u51fa\u7684\u7b97\u6cd5\u5728\u6548\u7387\u548c\u51c6\u786e\u7387\u4e0a\u90fd\u4f18\u4e8e\u6d41\u884c\u7684Split-and-Merge\u7b97\u6cd5\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a
      \"\u5e94\u7528\u533a\u57df\u751f\u957f\uff08Seeded
      \u7ea2\u8272\u4e3aSplit-and-Merge\u7b97\u6cd5\u7684\u65f6\u95f4\u6d88\u8017\uff0c\u84dd\u8272\u7ebf\u4e3a\u8be5\u7b97\u6cd5\u7684\u65f6\u95f4\u6d88\u8017\u3002<\/p>\n

      \u7b97\u6cd5\u7684\u4ee3\u7801\u5171\u4eab\u5982\u4e0b\uff0c\u9700\u8981\u53ef\u4ee5\u53d6\u7528\uff0c\u9002\u7528\u4e8eRos\u4e0b\u64cd\u4f5c\u3002
      \u94fe\u63a5\uff1ahttps:\/\/pan.baidu.com\/s\/1-P6lDIxQ1tZhvOIMSq35LA
      \u63d0\u53d6\u7801\uff1ayi4d<\/p>\n","protected":false},"excerpt":{"rendered":"\u5e94\u7528\u533a\u57df\u751f\u957f\uff08Seeded Region Growing\uff09\u7b97\u6cd5\u63d0\u53d62D\u6fc0\u5149\u4e2d\u7684\u7ebf\u6bb5\u6570\u636e0Background\u672c\u6587\u662f\u9488\u5bf9\u4e8e**\u300aAlinesegmentextractionalgor...","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/4891"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=4891"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/4891\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=4891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=4891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=4891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}