{"id":830,"date":"2021-04-24T10:40:00","date_gmt":"2021-04-24T18:40:00","guid":{"rendered":"http:\/\/daolan.info\/?p=830"},"modified":"2021-04-26T21:41:24","modified_gmt":"2021-04-27T05:41:24","slug":"%e5%8d%9a%e7%89%a9%e9%a6%86%e5%af%bc%e8%a7%88%e7%b3%bb%e7%bb%9f%e5%b1%95%e5%93%81%e8%af%86%e5%88%ab%e6%8a%80%e6%9c%af%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"http:\/\/daolan.info\/?p=830","title":{"rendered":"\u535a\u7269\u9986\u5bfc\u89c8\u7cfb\u7edf\u5c55\u54c1\u8bc6\u522b\u6280\u672f\u5b9e\u73b0"},"content":{"rendered":"\n<p>\u5c55\u54c1\u8bc6\u522b\u662f\u79fb\u52a8\u589e\u5f3a\u73b0\u5b9e\u535a\u7269\u9986<a 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href=\"http:\/\/www.depthlink.com\/product\/qraudioguide\/index.html\">\u4e8c\u7ef4\u7801<\/a>\u3001RFID\u5bfc\u89c8\u65b9\u5f0f\u90fd\u9700\u8981\u5728\u5c55\u54c1\u4e0a\u7c98\u8d34\u6807\u7b7e\uff0c\u5f71\u54cd\u4e86\u5c55\u54c1\u7684\u7f8e\u89c2\u3002<\/p>\n\n\n\n<p>\uff083\uff09\u964d\u4f4e\u4e86\u7cfb\u7edf\u5b89\u88c5\u548c\u7ef4\u62a4\u6210\u672c\uff0c\u9002\u7528\u8303\u56f4\u66f4\u5e7f\u3002\u7531\u4e8e\u91c7\u7528\u89c6\u89c9\u7684\u65b9\u5f0f\u5bf9\u5c55\u54c1\u8fdb\u884c\u8bc6\u522b\uff0c\u4e0d\u9700\u8981\u5728\u5c55\u54c1\u4e0a\u7c98\u8d34\u4efb\u4f55\u6807\u7b7e\uff0c\u964d\u4f4e\u4e86\u5b89\u88c5\u3001\u7ef4\u62a4\u6210\u672c\u3002\u4eba\u7c7b\u80fd\u591f\u975e\u5e38\u8f7b\u677e\u5730\u5bf9\u7269\u4f53\u8fdb\u884c\u8bc6\u522b\uff0c\u800c\u5bf9\u8ba1\u7b97\u673a\u6765\u8bf4\u5374\u662f\u4e00\u4ef6\u975e\u5e38\u56f0\u96be\u7684\u4e8b\u60c5\u3002\u4e3b\u8981\u539f\u56e0\u6709\uff1a\u4e00\u662f\u8ba1\u7b97\u673a\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5904\u7406\u56fe\u50cf\u50cf\u7d20\u4fe1\u606f\uff0c\u5374\u65e0\u6cd5\u8fdb\u884c\u9ad8\u5c42\u62bd\u8c61\u5185\u5bb9\uff1b\u4e8c\u662f\u7269\u4f53\u672c\u8eab\u662f\u4e00\u4e2a\u9ad8\u7ef4\u4fe1\u606f\u7684\u8f7d\u4f53\uff0c\u901a\u8fc7\u4e8c\u7ef4\u4fe1\u606f\u6765\u89e3\u91ca\u7269\u4f53\u663e\u7136\u7f3a\u5931\u4e86\u5176\u4ed6\u7684\u4fe1\u606f\uff1b\u4e09\u662f\u540c\u4e00\u7269\u4f53\u5728\u4e0d\u540c\u65f6\u95f4\u3001\u4e0d\u540c\u89c6\u89d2\u3001\u4e0d\u540c\u5149\u7167\u4e0b\u5728\u56fe\u50cf\u4e2d\u7684\u8868\u73b0<br>\u53ef\u80fd\u662f\u5b8c\u5168\u4e0d\u540c\uff0c\u800c\u4e14\u4f1a\u53d7\u5230\u5916\u7269\u906e\u6321\u7684\u5f71\u54cd\uff0c\u4f7f\u5f97\u5bf9\u7269\u4f53\u6a21\u578b\u7684\u5b9a\u4e49\u53d8\u5f97\u56f0\u96be\u3002<\/p>\n\n\n\n<p>\u5c3d\u7ba1\u975e\u5e38\u56f0\u96be\uff0c\u4f46\u968f\u7740\u79d1\u6280\u7406\u8bba\u7684\u53d1\u5c55\uff0c\u8fd8\u662f\u7ed9\u89e3\u51b3\u8fd9\u4e00\u96be\u9898\u5e26\u6765\u8bb8\u591a\u673a\u9047\u3002\u76ee\u524d\u7684\u7269\u4f53\u8bc6\u522b\u6280\u672f\uff0c\u4e3b\u8981\u53ef\u4ee5\u5206\u4e3a\u4e24\u7c7b\uff1a\u4e00\u7c7b\u662f\u7279\u5f81\u5339\u914d\u7684\u65b9\u6cd5\uff0c\u4ee5\u7269\u4f53\u95f4\u7684\u7279\u5f81\u7684\u5339\u914d\u7a0b\u5ea6\u6765\u8fdb\u884c\u7684\u7269\u4f53\u8bc6\u522b\uff1b\u53e6\u4e00\u7c7b\u662f\u6a21\u5f0f\u8bc6\u522b\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7\u5bf9\u6570\u636e\u96c6\u8fdb\u884c\u8bad\u7ec3\u751f\u6210\u4e00\u4e2a\u6570\u5b66\u6a21\u578b\uff0c\u5229\u7528\u8fd9\u4e2a\u6570\u5b66\u6a21\u578b\u8fdb\u884c\u5206\u7c7b\u3002\u7279\u5f81\u5339\u914d\u7684\u65b9\u6cd5\u9002\u7528\u4e8e\u7269\u4f53\u6570\u76ee\u5c11\u7684\u60c5\u51b5\uff0c\u8bef\u8bc6\u522b\u7387\u4f4e\uff0c\u800c\u4e14\u80fd\u5f88\u597d\u5904\u7406\u906e\u6321\u95ee\u9898\uff0c\u4f46\u7269\u4f53\u6570\u76ee\u592a\u591a\u65f6\u8bc6\u522b\u901f\u5ea6\u548c\u7cbe\u5ea6\u90fd\u5f97\u4e0d\u5230\u4fdd\u8bc1\u3002\u6a21\u5f0f\u8bc6\u522b\u7684\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u7269\u4f53\u8bc6\u522b\uff0c\u8bc6\u522b\u901f\u5ea6\u76f8\u5bf9\u8f83\u5feb\uff0c\u4f46\u8bef\u8bc6\u522b\u7387\u96be\u4ee5\u63a7\u5236\u3002\u5728\u672c\u6587\u7684\u7cfb\u7edf\u4e2d\u5c06\u8fd9\u4e24\u79cd\u65b9\u6cd5\u7ed3\u5408\uff0c\u4ee5\u63d0\u9ad8\u5c55\u54c1\u8bc6\u522b\u7684\u51c6\u786e\u5ea6\u3002<\/p>\n\n\n\n<p> \u7269\u4f53\u8bc6\u522b\u6b65\u9aa4\u76ee\u524d\u7edd\u5927\u591a\u6570\u7269\u4f53\u8bc6\u522b\u7b97\u6cd5\u90fd\u5305\u542b\u9884\u5904\u7406\u3001\u7279\u5f81\u68c0\u6d4b\u3001\u7279\u5f81\u63d0\u53d6\u3001\u5206\u7c7b\u5224\u522b\u51e0\u4e2a\u6b65\u9aa4<\/p>\n\n\n\n<p>A. \u9884\u5904\u7406<\/p>\n\n\n\n<p>\u7269\u4f53\u8bc6\u522b\u7684\u7b2c\u4e00\u4e2a\u6b65\u9aa4\u662f\u9884\u5904\u7406\u3002\u4ece\u6570\u7801\u6444\u50cf\u5934\u83b7\u53d6\u7684\u56fe\u50cf\u57fa\u672c\u4e0a\u90fd\u662f\u5f69\u8272\u7684\uff0c\u800c\u76ee\u524d\u7edd\u5927\u591a\u6570\u7269\u4f53\u8bc6\u522b\u7b97\u6cd5\u90fd\u9488\u5bf9\u7684\u662f\u7070\u5ea6\u56fe\u50cf\uff0c\u8272\u5f69\u53ea\u5728\u67d0\u4e9b\u6761\u4ef6\u4e0b\u5bf9\u7269\u4f53\u8bc6\u522b\u6709\u4f5c\u7528\uff0c\u56e0\u6b64\u5728\u8fd9\u4e2a\u6b65\u9aa4\u4e3b\u8981\u5b8c\u6210\u5c06\u5f69\u8272\u56fe\u50cf\u8f6c\u6362\u6210\u7070\u5ea6\u56fe\u7684\u5de5\u4f5c\u3002\u8fd8\u6709\u4e9b\u5176\u4ed6\u5904\u7406\u5de5\u4f5c\uff08\u5982\u53bb\u566a\u3001\u6ee4\u6ce2\u3001\u5e73\u6ed1\u3001\u590d\u539f\u3001\u63d0\u53d6\u8fb9\u7f18\u3001\u56fe\u50cf\u5206\u5272\u7b49\u7b49\uff09\u4e5f\u53ef\u5728\u8fd9\u6b65\u5b8c\u6210\u3002<\/p>\n\n\n\n<p>B. \u7279\u5f81\u68c0\u6d4b<\/p>\n\n\n\n<p>\u7279\u5f81\u68c0\u6d4b\u6b65\u9aa4\u4e3b\u8981\u5b8c\u6210\u7684\u5de5\u4f5c\u662f\u5728\u56fe\u50cf\u4e2d\u68c0\u6d4b\u201c\u5174\u8da3\u201d\u70b9\u3002\u8fd9\u4e9b\u70b9\u53ef\u4ee5\u662f\u89d2\u70b9\u3001\u8fb9\u7f18\u7b49\u3002\u53ef\u91cd\u590d\u6027\u548c\u4e0d\u53d8\u6027\u662f\u68c0\u6d4b\u201c\u5174\u8da3\u201d\u70b9\u7684\u91cd\u8981\u6807\u51c6\uff0c\u8fd9\u5c31\u610f\u5473\u7740\u7b97\u6cd5\u5e94\u8be5\u5c3d\u91cf\u80fd\u591f\u5728\u540c\u4e00\u4e2a\u7269\u4f53\u7684\u591a\u5f20\u56fe\u50cf\u4e2d\u68c0\u6d4b\u51fa\u76f8\u540c\u7684\u70b9\u3002<\/p>\n\n\n\n<p>C. \u7279\u5f81\u63cf\u8ff0<\/p>\n\n\n\n<p>\u5174\u8da3\u70b9\u68c0\u6d4b\u51fa\u6765\u540e\uff0c\u4e0b\u4e00\u6b65\u5c31\u662f\u5bf9\u5b83\u4eec\u8fdb\u884c\u7f16\u7801\u3002\u7f16\u7801\u5c31\u662f\u5c06\u8fd9\u4e9b\u5174\u8da3\u70b9\u8f6c\u6362\u6210\u7279\u5f81\u5411\u91cf\u3002SIFT\u548cSURF\u662f\u5728\u8be5\u9886\u57df\u91cc\u975e\u5e38\u91cd\u8981\u7684\u7b97\u6cd5\u3002SURF\u7b97\u6cd5\u7684\u8fd0\u884c\u901f\u5ea6\u8981\u6bd4SIFT\u5feb\u3002\u7279\u5f81\u5411\u91cf\u7684\u7ef4\u6570\u4e3b\u8981\u7531\u6240\u7528\u7b97\u6cd5\u51b3\u5b9a\uff0c\u4f8b\u5982\uff0cSIFT\u751f\u6210128\u7ef4\u5411\u91cf\uff0c<br>SURF\u751f\u621064\u7ef4\u5411\u91cf\u3002<\/p>\n\n\n\n<p>D. \u5206\u7c7b\u5224\u522b<\/p>\n\n\n\n<p>\u5206\u7c7b\u8fd9\u4e00\u6b65\u80fd\u7ed9\u51fa\u7269\u4f53\u5206\u7c7b\u7684\u6700\u7ec8\u7b54\u6848\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u6211\u4eec\u80fd\u77e5\u9053\u8be5\u7269\u4f53\u662f\u4ec0\u4e48\u3002\u5176\u5177\u4f53\u5b9e\u73b0\u65b9\u6cd5\u6709\u591a\u79cd\u3002\u56fe\u50cf\u5339\u914d\u65b9\u5f0f\u7684\u7269\u4f53\u8bc6\u522b\u9996\u5148\u7528\u9884\u5148\u62cd\u6444\u597d\u7269\u4f53\u7684\u53c2\u8003\u56fe\u50cf\u6784\u5efa\u6570\u636e\u5e93\uff0c\u5c06\u5f85\u8bc6\u522b\u56fe\u50cf\u7684\u7279\u5f81\u548c\u6570\u636e\u5e93\u4e2d\u53c2\u8003\u56fe\u50cf\u7684\u7279\u5f81\u8fdb\u884c\u5339\u914d\uff0c\u5339\u914d\u6570\u6700\u591a\u7684\u56fe\u50cf\u5373\u4e3a\u8bc6\u522b\u7ed3\u679c\u3002\u6a21\u5f0f\u8bc6\u522b\u65b9\u5f0f\u7684\u7269\u4f53\u8bc6\u522b\u540c\u6837\u9700\u8981\u9884\u62cd\u6444\u7269\u4f53\u7684\u56fe\u50cf\u96c6\uff0c\u5c06\u8fd9\u4e2a\u56fe\u50cf\u96c6\u8bad\u7ec3\u751f\u6210\u4e00\u4e2a\u6570\u5b66\u6a21\u578b\uff0c\u8bc6\u522b\u65f6\u5229\u7528\u5df2\u6784\u5efa\u7684\u6a21\u578b\u6a21\u578b\u5b8c\u6210\u5206\u7c7b\u5224\u522b\u3002<\/p>\n\n\n\n<p> \u7279\u5f81\u63d0\u53d6\u7b97\u6cd5<\/p>\n\n\n\n<p>A. SIFT \u7279\u5f81<\/p>\n\n\n\n<p>1999\u5e74British Columbia\u5927\u5b66\u7684Lowe\u6559\u6388\u603b\u7ed3\u4e86\u73b0\u6709\u7684\u57fa\u4e8e\u4e0d\u53d8\u91cf\u6280\u672f\u7684\u7279\u5f81\u68c0\u6d4b\u65b9\u6cd5\uff0c\u63d0\u51fa\u4e86\u4e00\u79cd\u5c3a\u5ea6\u4e0d\u53d8\u7684\u7279\u5f81(Scale-Invariant Feature)\uff0c\u5e76\u4e8e2004\u5e74\u52a0\u4ee5\u5b8c\u5584\u3002SIFT\u7b97\u5b50\u4f5c\u4e3a\u4e00\u79cd\u56fe\u50cf\u5c40\u90e8\u7279\u5f81\u7684\u63cf\u8ff0\u5b50\uff0c\u5177\u6709\u5c3a\u5ea6\u3001\u65cb\u8f6c\u3001\u5e73\u79fb\u7684\u4e0d\u53d8\u6027\uff0c\u540c\u65f6\u5bf9\u4e8e\u5149\u7167\u7684\u53d8\u5316\u3001\u4eff\u5c04\u53d8\u6362\u548c\u4e09\u7ef4\u6295\u5f71\u53d8\u6362\u5747\u5177\u6709\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u7684\u9002\u5e94\u6027\uff0c\u5e7f\u6cdb\u7684\u5e94\u7528\u4e8e\u7269\u4f53\u8bc6\u522b\u3001\u56fe\u50cf\u62fc\u63a5\u4ee5\u53ca\u4e09\u7ef4\u91cd\u5efa\u4e0a\u3002SIFT\u7279\u5f81\u63d0\u53d6\u7b97\u6cd5\u76f8\u6bd4\u4ee5\u5f80\u7684\u7279\u5f81\u9c81\u68d2\u7684\u539f\u56e0\uff0c\u5728\u4e8e\u8be5\u7b97\u6cd5\u505a\u4e86\u5982\u4e0b\u5904\u7406\uff1a<\/p>\n\n\n\n<p>\uff081\uff09\u5728\u4fdd\u8bc1\u5c3a\u5ea6\u4e0d\u53d8\u6027\u65b9\u9762<\/p>\n\n\n\n<p>\u4e3a\u4e86\u5f97\u5230\u9002\u5e94\u5c3a\u5ea6\u53d8\u5316\u7684\u7279\u5f81\u70b9\uff0c\u9700\u8981\u5728\u591a\u5c3a\u5ea6\u56fe\u50cf\u4e2d\u63d0\u53d6\u7279\u5f81\u70b9\u3002\u591a\u5c3a\u5ea6\u56fe\u50cf\u53ef\u4ee5\u7531\u9ad8\u65af\u91d1\u5b57\u5854\u751f\u6210\u3002\u53ef\u4ee5\u5bf9\u539f\u56fe\u50cf\u8fdb\u884c\u9ad8\u65af\u6a21\u7cca\u540e\u964d\u91c7\u6837\u751f\u6210\u9ad8\u65af\u91d1\u5b57\u5854\uff0c\u800c\u4e14\u5728SIFT\u7b97\u6cd5\u4e2d\u91c7\u7528\u7684\u662f\u5dee\u5206\u9ad8\u65af\uff08Difference of Gaussian\uff09\u6765\u8fd1\u4f3c\u62c9\u666e\u62c9\u65af\u3002<br>\uff083\uff09\u5728\u4fdd\u8bc1\u7279\u5f81\u70b9\u72ec\u7279\u6027\u65b9\u9762<\/p>\n\n\n\n<p>\u4e3a\u4e86\u8ba9\u63d0\u53d6\u5230\u7684\u7279\u5f81\u70b9\u90fd\u5177\u5907\u72ec\u7279\u6027\uff0c\u9700\u8981\u5bf9\u7279\u5f81\u70b9\u5efa\u7acb\u63cf\u8ff0\u3002\u9996\u5148\u65cb\u8f6c\u5750\u6807\u8f74\u81f3\u5173\u952e\u70b9\u7684\u4e3b\u65b9\u5411\uff0c\u7136\u540e\u8ba1\u7b97\u5173\u952e\u70b9\u5468\u56f4\u50cf\u7d20\u7684\u68af\u5ea6\u65b9\u5411\u548c\u6a21\u503c\uff0c\u5e76\u5bf9\u6a21\u503c\u8fdb\u884c\u9ad8\u65af\u52a0\u6743\uff0c\u4f7f\u79bb\u7279\u5f81\u70b9\u66f4\u8fd1\u7684\u50cf\u7d20\u66f4\u4e3a\u91cd\u8981\u3002\u6700\u540e\uff0c\u5c06\u518d\u5c06\u63cf\u8ff0\u7b26\u8fdb\u884c\u5f52\u4e00\u5316\u5904\u7406\uff0c\u53ef\u4ee5\u62b5\u6297\u5149\u7167\u53d8\u5316\u53ca\u89c6\u89d2\u53d8\u5316\u3002\u7ecf\u8fc7\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u4ece\u539f\u59cb\u56fe\u50cf\u4e0a\u63d0\u53d6\u5230\u7684\u7279\u5f81\u5df2\u7ecf\u5177\u5907\u4e86\u65cb\u8f6c\u3001\u7f29\u653e\u3001\u5e73\u79fb\u4e0d\u53d8<\/p>\n\n\n\n<p>\u6027\uff0c\u540c\u65f6\u5bf9\u5149\u7167\u7684\u5f71\u54cd\u548c\u89c6\u89d2\u7684\u6539\u53d8\u4e5f\u5177\u5907\u4e00\u5b9a\u9c81\u68d2\u6027\u3002<\/p>\n\n\n\n<p>B. SURF \u7279\u5f81<\/p>\n\n\n\n<p>SURF(Speeded Up Robust Features)\u662f\u7531Herbert Bay\u57282006\u5e74\u63d0\u51fa\u7684\u4e00\u79cd\u7279\u5f81\u63d0\u53d6\u7b97\u6cd5\uff0c\u8be5\u7b97\u6cd5\u501f\u9274\u4e86SIFT\u7684\u601d\u60f3\u3002\u8be5\u7b97\u6cd5\u63d0\u53d6\u7684\u7279\u5f81\u4e5f\u5177\u6709\u5e73\u79fb\u3001\u65cb\u8f6c\u3001\u7f29\u653e\u4e0d\u53d8\u6027\uff0c\u5bf9\u5149\u7167\u53d8\u5316\u548c\u89c6\u89d2\u53d8\u6362\u4e5f\u5177\u6709\u4e00\u5b9a\u9c81\u68d2\u6027\uff0c\u4f46\u662f\u8fd0\u884c\u901f\u5ea6\u662fSIFT\u76843<br>\u500d\u5de6\u53f3\u3002\u4e0eSIFT\u76f8\u6bd4\uff0cSURF\u4e3b\u505a\u4e86\u5982\u4e0b\u6539\u8fdb\uff1a<\/p>\n\n\n\n<p>\uff081\uff09\u5728\u4fdd\u8bc1\u5c3a\u5ea6\u4e0d\u53d8\u6027\u65b9\u9762\u3002SURF\u548cSIFT\u7279\u5f81\u63d0\u53d6\u7b97\u6cd5\u57fa\u672c\u4e0a\u76f8\u540c\uff0c\u90fd\u9700\u8981\u5efa\u7acb\u4e00\u4e2a\u56fe\u50cf\u91d1\u5b57\u5854\uff0c\u5728\u56fe\u50cf\u91d1\u5b57\u5854\u4e2d\u68c0\u6d4b\u5174\u8da3\u70b9\u3002\u4e0eSIFT\u4e0d\u540c\u7684\u662f\uff0cSURF\u7684\u56fe\u50cf\u91d1\u5b57\u5854\u4e0d\u9700\u8981\u5bf9\u539f\u56fe\u50cf\u8fdb\u884c\u4e0b\u91c7\u6837\uff0c\u76f4\u63a5\u7528\u4e0d\u540c\u5c3a\u5bf8\u7684\u6ee4\u6ce2\u5668\u5bf9\u539f\u56fe\u50cf\u8fdb\u884c\u5904\u7406\uff0c\u800c\u4e14\u5c06\u539f\u59cb\u6ee4\u6ce2\u5668\u8fd1\u4f3c\u6846\u5f0f\u6ee4\u6ce2\u5668\uff0c\u4e3a\u4e86\u8fdb\u4e00\u6b65\u52a0\u5feb\u6846\u5f0f\u6ee4\u6ce2\u5668\u7684\u901f\u5ea6\uff0c\u91c7\u7528\u4e86\u79ef\u5206\u56fe\u601d\u60f3\u3002<\/p>\n\n\n\n<p>\uff082\uff09\u5728\u4fdd\u8bc1\u65cb\u8f6c\u4e0d\u53d8\u6027\u65b9\u9762\u3002\u5728\u8fd9\u65b9\u9762\uff0cSURF\u548cSIFT\u601d\u60f3\u662f\u4e00\u6837\u7684\uff0c\u9700\u8981\u786e\u5b9a\u4e00\u4e2a\u5173\u952e\u70b9\u7684\u4e3b\u65b9\u5411\u3002\u4e0d\u540c\u7684\u662fSURF<br>\u8ba1\u7b97\u7684\u662f\u5174\u8da3\u70b9\u5706\u5f62\u9886\u57df\u5185\u7684Harr\u5c0f\u6ce2\u54cd\u5e94\uff0c\u5c06\u5c0f\u6ce2\u54cd\u5e94\u6700\u5f3a\u70c8\u7684\u65b9\u5411\u5b9a\u4e3a\u4e3b\u65b9\u5411\u3002<\/p>\n\n\n\n<p>\u7279\u5f81\u5339\u914d\u7b97\u6cd5<\/p>\n\n\n\n<p>\u91c7\u7528\u6700\u8fd1\u90bb\u7684\u65b9\u6cd5\u5bf9\u7279\u5f81\u70b9\u8fdb\u884c\u5339\u914d\u3002\u53ef\u4ee5\u91c7\u7528\u5bf9\u4e24\u7279\u5f81\u63cf\u8ff0\u7b26\u7684\u6b27\u5f0f\u8ddd\u79bb\u8bbe\u5b9a\u4e00\u4e2a\u5168\u5c40\u9608\u503c\uff0c\u7279\u5f81\u63cf\u8ff0\u7b26\u8ddd\u79bb\u5c0f\u4e8e\u6216\u7b49\u4e8e\u8be5\u9608\u503c\u7684\u4e24\u7279\u5f81\u70b9\u4e3a\u5339\u914d\u70b9\uff0c\u5b9e\u9a8c\u8868\u660e\u8fd9\u79cd\u65b9\u6cd5\u4f1a\u4ea7\u751f\u5927\u91cf\u8bef\u5339\u914d\u3002\u4e00\u79cd\u66f4\u597d\u7684\u65b9\u6cd5\u662f\u8ba1\u7b97\u6700\u8fd1\u90bb\u6bd4\u4e0e\u6b21\u6700\u8fd1\u90bb\u7684\u6bd4\u503c\u6765\u786e\u5b9a\u4e24\u4e2a\u7279\u5f81\u70b9\u662f\u5426\u5339\u914d\uff0c\u5982\u679c\u8fd9\u4e2a\u6bd4\u503c\u5c0f\u4e8e\u67d0\u4e2a\u9608\u503c\uff0c\u5219\u8868\u793a\u4e24\u7279\u5f81\u70b9\u5339\u914d\uff0c\u5b9e\u9a8c\u8bc1\u660e\u8be5\u65b9\u6cd5\u975e\u5e38\u6709\u6548\u3002\u8fd8\u9700\u8981\u89e3\u51b3\u7684\u662f\u6700\u8fd1\u90bb\u67e5\u627e\u95ee\u9898\u3002\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u7a77\u4e3e\u6cd5\uff0c\u4f46\u662f\u9700\u8981\u8017\u8d39\u5927\u91cf\u7684\u65f6\u95f4\uff0c\u53ef\u4ee5\u91c7\u7528KD-Tree\u7684\u6570\u636e\u7ed3\u6784\u52a0\u5feb\u641c\u7d22\u901f\u5ea6\u3002<\/p>\n\n\n\n<p>\u4e8c\u3001\u670d\u52a1\u5668\u7aef\u6d77\u91cf\u5c55\u54c1\u8bc6\u522b\u5b9e\u73b0<\/p>\n\n\n\n<p>\u7cfb\u7edf\u6a21\u5f0f\u4e00\u901a\u8fc7\u624b\u673a\u62cd\u6444\u611f\u5174\u8da3\u5c55\u54c1\u7684\u7167\u7247\u4e0a\u4f20\u5230\u670d\u52a1\u5668\u7aef\u8fdb\u884c\u8bc6\u522b\uff0c\u56e0\u6b64\u5728\u6a21\u5f0f\u4e00\u4e2d\uff0c\u624b\u673a\u7aef\u4ec5\u9700\u5b8c\u6210\u56fe\u50cf\u91c7\u96c6\u3001\u7167\u7247\u4e0a\u4f20\u548c\u589e\u5f3a\u4fe1\u606f\u663e\u793a\u529f\u80fd\uff0c\u5c55\u54c1\u7684\u7cbe\u786e\u8bc6\u522b\u7531\u670d\u52a1\u5668\u7aef\u5219\u5b8c\u6210\u3002\u56e0\u4e3a\u5728\u6a21\u5f0f\u4e8c\u4e2d\uff0c\u9700\u8981\u901a\u8fc7\u6a21\u5f0f\u4e00\u7684\u8bc6\u522b\u7ed3\u679c\u5bf9\u7528\u6237\u6240\u5728\u533a\u57df\u8fdb\u884c\u5b9a\u4f4d\uff0c\u56e0\u6b64\u5728\u6a21\u5f0f\u4e00\u4e2d\uff0c\u5fc5\u987b\u4fdd\u8bc1\u5c55\u54c1\u8bc6\u522b\u7684\u7cbe\u786e\u6027\uff0c\u624d\u80fd\u6b63\u786e\u4e0b\u8f7d\u6a21\u5f0f\u4e8c\u4e2d\u7684\u8bc6\u522b\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u4fdd\u8bc1\u670d\u52a1\u5668\u7aef\u8bc6\u522b\u7684\u7cbe\u5ea6\uff0c\u5728\u670d\u52a1\u5668\u7aef\u91c7\u7528\u4e863.1.2\u8282\u4ecb\u7ecd\u7684SIFT\u7279\u5f81\u63d0\u53d6\u7b97\u6cd5\uff0cSIFT\u7279\u5f81\u9c81\u68d2\u6027\u3001\u72ec\u7279\u6027\u597d\uff0c\u800c\u4e14\u4fe1\u606f\u91cf\u4e30\u5bcc\uff0c\u9002\u5408\u5728\u6d77\u91cf\u7279\u5f81\u6570\u636e\u5e93\u4e2d\u8fdb\u884c\u51c6\u786e\u7684\u5339\u914d\u3002\u5229\u7528SIFT\u7279\u5f81\u5b9e\u73b0\u50cf\u68c0\u7d22\uff0c\u6700\u7b80\u5355\u7684\u505a\u6cd5\u662f\u5c06\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u5e45\u56fe\u7247\u8868\u793a\u4e3a\u4e00\u4e2aSIFT\u7279\u5f81\u96c6\u5408\u3002\u8fdb\u884c\u56fe\u50cf\u68c0\u7d22\u65f6\uff0c\u5c06\u67e5\u8be2\u56fe\u7247\u4e0e\u5e93\u4e2d\u6bcf\u5f20\u56fe\u7247\u7684\u7279\u5f81\u96c6\u5408\u8fdb\u884c\u5339\u914d\uff0c\u7279\u5f81\u5339\u914d\u6570\u76ee\u6700\u591a\u7684\u90a3\u5f20\u56fe\u7247\u4f5c\u4e3a\u7ed3\u679c\u8fd4\u56de\u3002\u8be5\u65b9\u6cd5\u53ea\u9002\u7528\u4e8e\u5e93\u4e2d\u7684\u56fe\u7247\u6570\u91cf\u4e0d\u591a\u7684\u60c5\u51b5\uff0c\u5f53\u5e93\u4e2d\u7684\u56fe\u7247\u6210\u500d\u589e\u52a0\u65f6\uff0c\u7279\u5f81\u5339\u914d\u6d88\u8017\u7684\u65f6\u95f4\u4e5f\u4f1a\u6025\u5267\u589e\u52a0\uff0c\u65e0\u6cd5\u6ee1\u8db3\u5b9e\u9645\u5e94\u7528\u8981\u6c42\u3002\u4e3a\u4e86\u5b9e\u73b0\u5bf9\u6d77\u91cf\u5c55\u54c1\u8fdb\u884c\u5feb\u901f\u8bc6\u522b\uff0c\u672c\u6587\u91c7\u7528\u4e86Nister\u7b49\u4eba\u63d0\u51fa\u7684\u57fa\u4e8e\u8bcd\u6c47\u6811\uff08Vocabulary 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