{"id":265,"date":"2019-11-12T14:06:43","date_gmt":"2019-11-12T06:06:43","guid":{"rendered":"http:\/\/www.xzclass.com\/?p=265"},"modified":"2022-03-01T10:56:04","modified_gmt":"2022-03-01T02:56:04","slug":"%e8%a7%86%e9%a2%91%e7%bc%96%e7%a0%81%e9%9b%b6%e5%9f%ba%e7%a1%80%e5%85%a5%e9%97%a8","status":"publish","type":"post","link":"http:\/\/www.xzclass.com\/?p=265","title":{"rendered":"\u89c6\u9891\u7f16\u7801\u96f6\u57fa\u7840\u5165\u95e8"},"content":{"rendered":"

\u5982\u4eca\u6211\u4eec\u6240\u5904\u7684\u65f6\u4ee3\uff0c\u662f\u79fb\u52a8\u4e92\u8054\u7f51\u65f6\u4ee3\uff0c\u4e5f\u53ef\u4ee5\u8bf4\u662f\u89c6\u9891\u65f6\u4ee3\u3002<\/span><\/p>\n

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\u4ece\u5feb\u64ad\u5230\u6296\u97f3\uff0c\u4ece\u201c\u4e09\u751f\u4e09\u4e16\u201d\u5230\u201c\u5ef6\u79a7\u653b\u7565\u201d\uff0c\u6211\u4eec\u7684\u751f\u6d3b\uff0c\u88ab\u8d8a\u6765\u8d8a\u591a\u7684\u89c6\u9891\u5143\u7d20\u6240\u5f71\u54cd\u3002<\/span><\/p>\n


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\u800c\u8fd9\u4e00\u5207\uff0c\u79bb\u4e0d\u5f00\u89c6\u9891\u62cd\u6444\u6280\u672f\u7684\u4e0d\u65ad\u5347\u7ea7\uff0c\u8fd8\u6709\u89c6\u9891\u5236\u4f5c\u4ea7\u4e1a\u7684\u65e5\u76ca\u5f3a\u5927\u3002<\/span><\/p>\n

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\u6b64\u5916\uff0c\u4e5f\u79bb\u4e0d\u5f00<\/span>\u901a\u4fe1<\/span>\u6280\u672f\u7684\u98de\u901f\u8fdb\u6b65\u3002<\/span>\u8bd5\u60f3\u4e00\u4e0b\uff0c\u5982\u679c\u8fd8\u662f\u5f53\u5e74\u768456K Modem\u62e8\u53f7\uff0c\u6216\u8005\u662f2G\u624b\u673a\uff0c\u4f60\u8fd8\u80fd\u4eab\u53d7\u5230\u73b0\u5728\u52a8\u8f841080P\u751a\u81f34K\u7684\u89c6\u9891\u4f53\u9a8c\u5417\uff1f<\/span><\/p>\n

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\u9664\u4e86\u89c6\u9891\u62cd\u6444\u5de5\u5177\u548c\u7f51\u7edc\u901a\u4fe1\u6280\u672f\u5347\u7ea7<\/span>\u4e4b\u5916\uff0c\u6211\u4eec\u80fd\u4eab\u53d7\u5230\u89c6\u9891\u5e26\u6765\u7684\u4fbf\u5229\u548c\u4e50\u8da3\uff0c\u8fd8\u6709\u4e00\u4e2a\u91cd\u8981\u56e0\u7d20\uff0c\u5c31\u662f\u89c6\u9891\u7f16\u7801\u6280\u672f<\/strong>\u7684\u7a81\u98de\u731b\u8fdb\u3002<\/span><\/p>\n


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\u4eca\u5929\uff0c\u6211\u5c31\u7ed9\u5927\u5bb6\u505a\u4e00\u4e2a\u5173\u4e8e\u5b83\u7684\u96f6\u57fa\u7840\u79d1\u666e\u3002<\/span><\/p>\n


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\u8bf4\u89c6\u9891\u4e4b\u524d\uff0c\u5148\u8981\u8bf4\u8bf4\u56fe\u50cf\u3002<\/span><\/p>\n


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\u56fe\u50cf\uff0c\u5927\u5bb6\u90fd\u77e5\u9053\uff0c\u662f\u7531\u5f88\u591a\u201c\u5e26\u6709\u989c\u8272\u7684\u70b9\u201d\u7ec4\u6210\u7684\u3002\u8fd9\u4e2a\u70b9\uff0c\u5c31\u662f\u201c\u50cf\u7d20\u70b9\u201d<\/strong>\u3002<\/span><\/p>\n

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\u50cf\u7d20\u70b9\u7684\u82f1\u6587\u53ebPixel\uff08\u7f29\u5199\u4e3aPX\uff09\u3002\u8fd9\u4e2a\u5355\u8bcd\u662f\u7531 Picture(\u56fe\u50cf) \u548c Element\uff08\u5143\u7d20\uff09\u8fd9\u4e24\u4e2a\u5355\u8bcd\u7684\u5b57\u6bcd\u6240\u7ec4\u6210\u7684\u3002<\/span><\/p>\n

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\u7535\u5f71\u300a\u50cf\u7d20\u5927\u6218\uff08Pixels\uff09\u300b\uff0c2015\u5e74<\/span><\/p>\n


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\u50cf\u7d20\u662f\u56fe\u50cf\u663e\u793a\u7684\u57fa\u672c\u5355\u4f4d\u3002\u6211\u4eec\u901a\u5e38\u8bf4\u4e00\u5e45\u56fe\u7247\u7684\u5927\u5c0f\uff0c\u4f8b\u5982\u662f1920\u00d71080\uff0c\u5c31\u662f\u957f\u5ea6\u4e3a1920\u4e2a\u50cf\u7d20\u70b9\uff0c\u5bbd\u5ea6\u4e3a1080\u4e2a\u50cf\u7d20\u70b9\u3002\u4e58\u79ef\u662f2,073,600\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u8fd9\u4e2a\u56fe\u7247\u662f\u4e24\u767e\u4e07\u50cf\u7d20\u7684\u3002<\/span><\/p>\n


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1920\u00d71080\uff0c\u8fd9\u4e2a\u4e5f\u88ab\u79f0\u4e3a\u8fd9\u5e45\u56fe\u7247\u7684\u5206\u8fa8\u7387\u3002<\/span><\/p>\n

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\u5206\u8fa8\u7387\u4e5f\u662f\u663e\u793a\u5668\u7684\u91cd\u8981\u6307\u6807<\/span><\/p>\n

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\u90a3\u4e48\uff0c\u6211\u4eec\u7ecf\u5e38\u6240\u8bf4\u7684PPI\u53c8\u662f\u4ec0\u4e48\u4e1c\u897f\u5462\uff1f<\/span><\/p>\n


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PPI\uff0c\u5c31\u662f\u201cPixels Per Inch\u201d\uff0c\u6bcf\u82f1\u5bf8\u50cf\u7d20\u6570\u3002<\/span><\/strong>\u4e5f\u5c31\u662f\uff0c\u624b\u673a\uff08\u6216\u663e\u793a\u5668<\/span>\uff09\u5c4f\u5e55\u4e0a\u6bcf\u82f1\u5bf8\u9762\u79ef\uff0c\u5230\u5e95\u80fd\u653e\u4e0b\u591a\u5c11\u4e2a\u201c\u50cf\u7d20\u70b9\u201d\u3002<\/span><\/p>\n


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\u8fd9\u4e2a\u503c\u5f53\u7136\u662f\u8d8a\u9ad8\u8d8a\u597d\u5566\uff01PPI\u8d8a\u9ad8\uff0c\u56fe\u50cf\u5c31\u8d8a\u6e05\u6670\u7ec6\u817b\u3002<\/span><\/p>\n

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\u4ee5\u524d\u7684\u529f\u80fd\u673a\uff0c\u4f8b\u5982\u8bfa\u57fa\u4e9a\uff0c\u5c4f\u5e55PPI\u90fd\u5f88\u4f4e\uff0c\u6709\u5f88\u5f3a\u70c8\u7684\u9897\u7c92\u611f\u3002<\/span><\/p>\n

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\u540e\u6765\uff0c\u82f9\u679c\u5f00\u521b\u4e86\u53f2\u65e0\u524d\u4f8b\u7684\u201c\u89c6\u7f51\u819c\u201d\uff08Retina\uff09\u5c4f\u5e55\uff0cPPI\u503c\u9ad8\u8fbe326\uff08\u6bcf\u82f1\u5bf8\u5c4f\u5e55\u6709326\u50cf\u7d20\uff09\uff0c\u753b\u8d28\u6e05\u6670\uff0c\u518d\u4e5f\u6ca1\u6709\u4e86\u9897\u7c92\u611f\u3002<\/span><\/p>\n

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\u50cf\u7d20\u70b9\u5fc5\u987b\u8981\u6709\u989c\u8272\uff0c\u624d\u80fd\u7ec4\u6210\u7f24\u7eb7\u7eda\u4e3d\u7684\u56fe\u7247\u3002\u90a3\u4e48\uff0c\u8fd9\u4e2a\u989c\u8272\uff0c\u53c8\u8be5\u5982\u4f55\u8868\u793a\u5462\uff1f<\/span><\/p>\n


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\u5927\u5bb6\u90fd\u77e5\u9053\uff0c\u6211\u4eec\u751f\u6d3b\u4e2d\u7684\u989c\u8272\uff0c\u53ef\u4ee5\u62e5\u6709\u65e0\u6570\u79cd\u7c7b\u522b\u3002<\/span><\/p>\n

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\u5149\u662f\u59b9\u7eb8\u4eec\u7684\u53e3\u7ea2\u8272\u53f7\uff0c\u5c31\u8db3\u4ee5\u8ba9\u6211\u4eec\u8fd9\u4e9b\u5c4c\u4e1d\u77a0\u76ee\u7ed3\u820c\u3002\u3002\u3002<\/span><\/p>\n


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\u5728\u8ba1\u7b97\u673a\u7cfb\u7edf\u91cc\uff0c\u6211\u4eec\u4e0d\u53ef\u80fd\u7528\u6587\u5b57\u6765\u8868\u8ff0\u989c\u8272\u3002\u4e0d\u7136\uff0c\u5c31\u7b97\u6211\u4eec\u4e0d\u75af\uff0c\u8ba1\u7b97\u673a\u4e5f\u4f1a\u75af\u6389\u7684\u3002\u5728\u6570\u5b57\u65f6\u4ee3\uff0c\u5f53\u7136\u662f\u7528\u6570\u5b57\u6765\u8868\u8ff0\u989c\u8272\u3002<\/span><\/p>\n


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\u8fd9\u5c31\u7275\u51fa\u4e86\u201c\u5f69\u8272\u5206\u91cf\u6570\u5b57\u5316<\/span>\u201d<\/strong>\u7684\u6982\u5ff5\u3002<\/span><\/p>\n


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\u4ee5\u524d\u6211\u4eec\u7f8e\u672f\u8bfe\u5b66\u8fc7\uff0c\u4efb\u4f55\u989c\u8272\uff0c\u90fd\u53ef\u4ee5\u901a\u8fc7\u7ea2\u8272\uff08Red\uff09<\/strong>\u3001\u7eff\u8272\uff08Green\uff09<\/strong>\u3001\u84dd\u8272\uff08Blue\uff09<\/strong>\u6309\u7167\u4e00\u5b9a\u6bd4\u4f8b\u8c03\u5236\u51fa\u6765\u3002\u8fd9\u4e09\u79cd\u989c\u8272\uff0c\u88ab\u79f0\u4e3a\u201c\u4e09\u539f\u8272\u201d<\/strong>\u3002<\/span><\/p>\n

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\u5728\u8ba1\u7b97\u673a\u91cc\uff0cR\u3001G\u3001B\u4e5f\u88ab\u79f0\u4e3a\u201c\u57fa\u8272\u5206\u91cf\u201d<\/strong>\u3002\u5b83\u4eec\u7684\u53d6\u503c\uff0c\u5206\u522b\u4ece0\u5230255\uff0c\u4e00\u5171256\u4e2a\u7b49\u7ea7\uff08256\u662f2\u76848\u6b21\u65b9\uff09\u3002<\/span><\/p>\n


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\u6240\u4ee5\uff0c\u4efb\u4f55\u989c\u8272\uff0c\u90fd\u53ef\u4ee5\u7528R\u3001G\u3001B\u4e09\u4e2a\u503c\u7684\u7ec4\u5408\u8868\u793a\u3002<\/span><\/p>\n


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RGB=[183,67,21]<\/span><\/p>\n


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\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4e00\u5171\u80fd\u8868\u8fbe\u591a\u5c11\u79cd\u989c\u8272\u5462\uff1f256\u00d7256\u00d7256=16,777,216\u79cd\uff0c\u56e0\u6b64\u4e5f\u7b80\u79f0\u4e3a1600\u4e07\u8272<\/strong>\u3002RGB\u4e09\u8272\uff0c\u6bcf\u8272\u67098bit\uff0c\u8fd9\u79cd\u65b9\u5f0f\u8868\u8fbe\u51fa\u6765\u7684\u989c\u8272\uff0c\u4e5f\u88ab\u79f0\u4e3a24\u4f4d\u8272\uff08\u5360\u752824bit<\/span><\/strong>\uff09<\/strong>\u3002
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\u8fd9\u4e2a\u989c\u8272\u8303\u56f4\u5df2\u7ecf\u8d85\u8fc7\u4e86\u4eba\u773c\u53ef\u89c1\u7684\u5168\u90e8\u8272\u5f69\uff0c\u6240\u4ee5\u53c8\u53eb\u771f\u5f69\u8272<\/strong>\u3002\u518d\u9ad8\u7684\u8bdd\uff0c\u5bf9\u4e8e\u6211\u4eec\u4eba\u773c\u6765\u8bf4\uff0c\u5df2\u7ecf\u6ca1\u6709\u610f\u4e49\u4e86\uff0c\u5b8c\u5168\u8bc6\u522b\u4e0d\u51fa\u6765\u3002<\/span><\/p>\n

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   <\/span><\/strong><\/span>   <\/span><\/strong>\u89c6\u9891\u7f16\u7801\u57fa\u7840\u77e5\u8bc6 <\/strong> <\/strong> <\/span><\/strong><\/span><\/span>  <\/span><\/strong><\/strong><\/span><\/p>\n


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\u597d\u4e86\uff0c\u521a\u624d\u8bf4\u4e86\u56fe\u50cf\uff0c\u73b0\u5728\uff0c\u6211\u4eec\u5f00\u59cb\u8bf4\u89c6\u9891\u3002<\/span><\/p>\n


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\u6240\u8c13\u89c6\u9891\uff0c\u5927\u5bb6\u4ece\u5c0f\u5c31\u770b\u52a8\u753b\uff0c\u90fd\u77e5\u9053\u89c6\u9891\u662f\u600e\u4e48\u6765\u7684\u5427\uff1f\u6ca1\u9519\uff0c\u5927\u91cf\u7684\u56fe\u7247\u8fde\u7eed\u8d77\u6765\uff0c\u5c31\u662f\u89c6\u9891\u3002<\/span><\/p>\n


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\u8861\u91cf\u89c6\u9891\uff0c\u53c8\u662f\u7528\u7684\u4ec0\u4e48\u6307\u6807\u53c2\u6570\u5462\uff1f<\/span><\/p>\n


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\u6700\u4e3b\u8981\u7684\u4e00\u4e2a\uff0c\u5c31\u662f<\/span>\u5e27\u7387\uff08Frame Rate\uff09<\/span><\/strong>\u3002<\/span><\/p>\n


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\u5728\u89c6\u9891\u4e2d\uff0c\u4e00\u4e2a\u5e27\uff08Frame\uff09\u5c31\u662f\u6307\u4e00\u5e45\u9759\u6b62\u7684\u753b\u9762\u3002\u5e27\u7387\uff0c\u5c31\u662f\u6307\u89c6\u9891\u6bcf\u79d2\u949f\u5305\u62ec\u7684\u753b\u9762\u6570\u91cf\uff08FPS\uff0cFrame per second<\/span>\uff09\u3002<\/span>  <\/span><\/p>\n

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\u5e27\u7387\u8d8a\u9ad8\uff0c\u89c6\u9891\u5c31\u8d8a\u903c\u771f\u3001\u8d8a\u6d41\u7545\u3002<\/span><\/p>\n


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\u6709\u4e86\u89c6\u9891\u4e4b\u540e\uff0c\u5c31\u6d89\u53ca\u5230\u4e24\u4e2a\u95ee\u9898\uff0c\u4e00\u4e2a\u662f\u5b58\u50a8\uff0c\u4e8c\u4e2a\u662f\u4f20\u8f93\u3002<\/span>
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\u800c\u4e4b\u6240\u4ee5\u4f1a\u6709\u89c6\u9891\u7f16\u7801\uff0c\u5173\u952e\u5c31\u5728\u4e8e\u6b64\uff1a<\/span>\u4e00\u4e2a\u89c6\u9891\uff0c\u5982\u679c\u672a\u7ecf\u7f16\u7801\uff0c\u5b83\u7684\u4f53\u79ef\u662f\u975e\u5e38\u5e9e\u5927\u7684\u3002<\/span><\/p>\n


<\/p>\n

\u4ee5\u4e00\u4e2a\u5206\u8fa8\u73871920\u00d71280\uff0c\u5e27\u738730\u7684\u89c6\u9891\u4e3a\u4f8b\u3002<\/span><\/p>\n


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1920\u00d71280=2,073,600\uff08Pixels \u50cf\u7d20\uff09<\/span><\/p>\n

\u6bcf\u4e2a\u50cf\u7d20\u70b9\u662f24bit\uff08\u524d\u9762\u7b97\u8fc7\u7684\u54e6\uff09<\/span><\/p>\n

\u4e5f\u5c31\u662f\u6bcf\u5e45\u56fe\u72472073600\u00d724=49766400bit<\/span><\/p>\n


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8 bit\uff08\u4f4d\uff09=<\/span>1 byte\uff08\u5b57\u8282\uff09<\/span>\uff0c\u6240\u4ee5\uff0c49766400bit=6220800byte\u22486.22MB\u3002<\/span><\/p>\n


<\/p>\n

\u8fd9\u662f\u4e00\u5e451920\u00d71280\u56fe\u7247\u7684\u539f\u59cb\u5927\u5c0f\uff0c\u518d\u4e58\u4ee5\u5e27\u738730\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u6bcf\u79d2\u89c6\u9891\u7684\u5927\u5c0f\u662f186.6MB\uff0c\u6bcf\u5206\u949f\u5927\u7ea6\u662f11GB\uff0c\u4e00\u90e890\u5206\u949f\u7684\u7535\u5f71\uff0c\u7ea6\u662f1000GB\u3002\u3002\u3002<\/span><\/p>\n


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\u5413\u5c3f\u4e86\u5427\uff1f\u5c31\u7b97\u4f60\u73b0\u5728\u7535\u8111\u786c\u76d8\u662f4TB\u7684\uff08\u5b9e\u9645\u4e5f\u5c313600GB\uff09\uff0c\u4e5f\u653e\u4e0d\u4e0b\u51e0\u90e8\u5927\u59d0\u59d0\u554a\uff01<\/span><\/p>\n


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\u4e0d\u4ec5\u8981\u5b58\u50a8\uff0c\u8fd8\u8981\u4f20\u8f93\uff0c\u4e0d\u7136\u89c6\u9891\u4ece\u54ea\u6765\u5462\uff1f<\/span><\/p>\n

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\u5982\u679c\u6309\u7167100M\u7684\u7f51\u901f\uff0812.5MB\/s\uff09\uff0c\u4e0b\u521a\u624d\u90a3\u90e8\u7535\u5f71\uff0c\u9700\u898122\u4e2a\u5c0f\u65f6\u3002\u3002\u3002\u518d\u6b21\u5d29\u6e83\u3002\u3002\u3002<\/span><\/p>\n


<\/p>\n

\u6b63\u56e0\u4e3a\u5982\u6b64\uff0c\u5c4c\u4e1d\u5de5\u7a0b\u5e08\u4eec\u5c31\u63d0\u51fa\u4e86\uff0c\u5fc5\u987b\u5bf9\u89c6\u9891\u8fdb\u884c\u7f16\u7801\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n


<\/span><\/p>\n

\u4ec0\u4e48\u662f\u7f16\u7801\uff1f<\/strong><\/span><\/p>\n


<\/p>\n

\u7f16\u7801\uff0c\u5c31\u662f\u6309\u6307\u5b9a\u7684\u65b9\u6cd5\uff0c\u5c06\u4fe1\u606f\u4ece\u4e00\u79cd\u5f62\u5f0f\uff08\u683c\u5f0f\uff09\uff0c\u8f6c\u6362\u6210\u53e6\u4e00\u79cd\u5f62\u5f0f\uff08\u683c\u5f0f\uff09\u3002<\/span><\/p>\n


<\/p>\n

\u89c6\u9891\u7f16\u7801\uff0c\u5c31\u662f\u5c06\u4e00\u79cd\u89c6\u9891\u683c\u5f0f\uff0c\u8f6c\u6362\u6210\u53e6\u4e00\u79cd\u89c6\u9891\u683c\u5f0f\u3002<\/span><\/p>\n

<\/p>\n

<\/span><\/p>\n


<\/p>\n

\u7f16\u7801\u7684\u7ec8\u6781\u76ee\u7684\uff0c\u8bf4\u767d\u4e86\uff0c\u5c31\u662f\u4e3a\u4e86\u538b\u7f29\u3002<\/span><\/strong><\/p>\n


<\/p>\n

\u5404\u79cd\u4e94\u82b1\u516b\u95e8\u7684\u89c6\u9891\u7f16\u7801\u65b9\u5f0f\uff0c\u90fd\u662f\u4e3a\u4e86\u8ba9\u89c6\u9891\u53d8\u5f97\u4f53\u79ef\u66f4\u5c0f\uff0c\u6709\u5229\u4e8e\u5b58\u50a8\u548c\u4f20\u8f93\u3002<\/span><\/p>\n


<\/p>\n

\u6211\u4eec\u5148\u6765\u770b\u770b\uff0c\u89c6\u9891\u4ece\u5f55\u5236\u5230\u64ad\u653e\u7684\u6574\u4e2a\u8fc7\u7a0b\uff0c\u5982\u4e0b\uff1a<\/span><\/p>\n


<\/p>\n

<\/p>\n


<\/p>\n

\u9996\u5148\u662f\u89c6\u9891\u91c7\u96c6\u3002\u901a\u5e38\u6211\u4eec\u4f1a\u4f7f\u7528\u6444\u50cf\u673a\u3001\u6444\u50cf\u5934\u8fdb\u884c\u89c6\u9891\u91c7\u96c6\u3002\u9650\u4e8e\u7bc7\u5e45\uff0c\u6211\u5c31\u4e0d\u6253\u7b97\u548c\u5927\u5bb6\u89e3\u91caCCD\u6210\u50cf\u539f\u7406\u4e86\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n


<\/span><\/p>\n

\u91c7\u96c6\u4e86\u89c6\u9891\u6570\u636e\u4e4b\u540e\uff0c\u5c31\u8981\u8fdb\u884c\u6a21\u6570\u8f6c\u6362\uff0c\u5c06\u6a21\u62df\u4fe1\u53f7\u53d8\u6210\u6570\u5b57\u4fe1\u53f7\u3002\u5176\u5b9e\u73b0\u5728\u5f88\u591a\u90fd\u662f\u6444\u50cf\u673a\uff08\u6444\u50cf\u5934\uff09\u76f4\u63a5\u8f93\u51fa\u6570\u5b57\u4fe1\u53f7\u3002<\/span><\/p>\n


<\/p>\n

\u4fe1\u53f7\u8f93\u51fa\u4e4b\u540e\uff0c\u8fd8\u8981\u8fdb\u884c\u9884\u5904\u7406\uff0c\u5c06RGB\u4fe1\u53f7\u53d8\u6210YUV\u4fe1\u53f7\u3002<\/span><\/p>\n


<\/p>\n

\u524d\u9762\u6211\u4eec\u4ecb\u7ecd\u4e86RGB\u4fe1\u53f7\uff0c\u90a3\u4ec0\u4e48\u662fYUV\u4fe1\u53f7<\/strong>\u5462\uff1f<\/span><\/p>\n

<\/p>\n

\u7b80\u5355\u6765\u8bf4\uff0cYUV\u5c31\u662f\u53e6\u5916\u4e00\u79cd\u989c\u8272\u6570\u5b57\u5316\u8868\u793a\u65b9\u5f0f\u3002<\/span><\/p>\n


<\/p>\n

\u89c6\u9891\u901a\u4fe1\u7cfb\u7edf\u4e4b\u6240\u4ee5\u8981\u91c7\u7528YUV\uff0c\u800c\u4e0d\u662fRGB\uff0c\u4e3b\u8981\u662f\u56e0\u4e3aRGB\u4fe1\u53f7\u4e0d\u5229\u4e8e\u538b\u7f29<\/strong>\u3002<\/span><\/p>\n


<\/p>\n

\u5728YUV\u8fd9\u79cd\u65b9\u5f0f\u91cc\u9762\uff0c\u52a0\u5165\u4e86\u4eae\u5ea6\u8fd9\u4e00\u6982\u5ff5\u3002<\/span><\/p>\n


<\/p>\n

\u5728\u6700\u8fd1\u5341\u5e74\u4e2d\uff0c\u89c6\u9891\u5de5\u7a0b\u5e08\u53d1\u73b0\uff0c\u773c\u775b\u5bf9\u4e8e\u4eae\u548c\u6697\u7684\u5206\u8fa8\u8981\u6bd4\u5bf9\u989c\u8272\u7684\u5206\u8fa8\u66f4\u7cbe\u7ec6\u4e00\u4e9b\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u4eba\u773c\u5bf9\u8272\u5ea6\u7684\u654f\u611f\u7a0b\u5ea6\u8981\u4f4e\u4e8e\u5bf9\u4eae\u5ea6\u7684\u654f\u611f\u7a0b\u5ea6<\/span><\/strong>\u3002<\/span><\/p>\n


<\/p>\n

\u6240\u4ee5\uff0c\u5de5\u7a0b\u5e08\u8ba4\u4e3a\uff0c\u5728\u6211\u4eec\u7684\u89c6\u9891\u5b58\u50a8\u4e2d\uff0c\u6ca1\u6709\u5fc5\u8981\u5b58\u50a8\u5168\u90e8\u989c\u8272\u4fe1\u53f7\u3002\u6211\u4eec\u53ef\u4ee5\u628a\u66f4\u591a\u5e26\u5bbd\u7559\u7ed9\u9ed1\u2014\u767d\u4fe1\u53f7\uff08\u88ab\u79f0\u4f5c\u201c\u4eae\u5ea6\u201d\uff09\uff0c\u5c06\u7a0d\u5c11\u7684\u5e26\u5bbd\u7559\u7ed9\u5f69\u8272\u4fe1\u53f7\uff08\u88ab\u79f0\u4f5c\u201c\u8272\u5ea6\u201d\uff09\u3002\u4e8e\u662f\uff0c\u5c31\u6709\u4e86YUV\u3002<\/span><\/p>\n


<\/p>\n

YUV\u91cc\u9762\u7684\u201cY\u201d\uff0c\u5c31\u662f\u4eae\u5ea6\uff08Luma\uff09\uff0c\u201cU\u201d\u548c\u201cV\u201d\u5219\u662f\u8272\u5ea6\uff08Chroma\uff09\u3002<\/span><\/p>\n


<\/p>\n

\u5927\u5bb6\u5076\u5c14\u4f1a\u89c1\u5230\u7684Y’CbCr\uff0c\u4e5f\u79f0\u4e3aYUV\uff0c\u662fYUV\u7684\u538b\u7f29\u7248\u672c\uff0c\u4e0d\u540c\u4e4b\u5904\u5728\u4e8eY’CbCr\u7528\u4e8e\u6570\u5b57\u56fe\u50cf\u9886\u57df\uff0cYUV\u7528\u4e8e\u6a21\u62df\u4fe1\u53f7\u9886\u57df\uff0cMPEG\u3001DVD\u3001\u6444\u50cf\u673a\u4e2d\u5e38\u8bf4\u7684YUV\u5176\u5b9e\u5c31\u662fY’CbCr\u3002<\/span><\/p>\n


<\/p>\n

<\/p>\n

YUV\uff08Y’CbCr\uff09\u662f\u5982\u4f55\u5f62\u6210\u56fe\u50cf\u7684<\/span><\/p>\n


<\/p>\n

YUV\u7801\u6d41\u7684\u5b58\u50a8\u683c\u5f0f\u5176\u5b9e\u4e0e\u5176\u91c7\u6837\u7684\u65b9\u5f0f\u5bc6\u5207\u76f8\u5173\u3002\uff08\u91c7\u6837\uff0c\u5c31\u662f\u6355\u6349\u6570\u636e\u3002<\/span>\uff09<\/span><\/p>\n


<\/p>\n

\u4e3b\u6d41\u7684\u91c7\u6837\u65b9\u5f0f\u6709\u4e09\u79cd\uff0cYUV4:4:4\uff0cYUV4:2:2\uff0cYUV4:2:0\u3002<\/span><\/p>\n


<\/p>\n

<\/p>\n


<\/p>\n

\u5177\u4f53\u89e3\u91ca\u8d77\u6765\u6709\u70b9\u7e41\u7410\uff0c\u5927\u5bb6\u53ea\u9700\u8bb0\u4f4f\uff0c\u901a\u5e38\u7528\u7684\u662fYUV4:2:0\u7684\u91c7\u6837\u65b9\u5f0f<\/strong>\uff0c\u80fd\u83b7\u5f971\/2\u7684\u538b\u7f29\u7387\u3002<\/span><\/p>\n


<\/p>\n

\u8fd9\u4e9b\u9884\u5904\u7406\u505a\u5b8c\u4e4b\u540e\uff0c\u5c31\u662f\u6b63\u5f0f\u7684\u7f16\u7801\u4e86\u3002<\/span><\/p>\n


<\/span><\/p>\n


<\/span><\/p>\n


<\/p>\n

\n
\n
\n

   <\/span><\/strong><\/span>  <\/span><\/strong>\u89c6\u9891\u7f16\u7801\u7684\u5b9e\u73b0\u539f\u7406<\/strong> <\/strong> <\/span><\/strong><\/span><\/span>  <\/span><\/strong><\/strong><\/span><\/p>\n


<\/p>\n<\/section>\n<\/section>\n<\/section>\n


<\/p>\n

<\/p>\n

\u524d\u9762\u6211\u4eec\u8bf4\u4e86\uff0c\u7f16\u7801\u5c31\u662f\u4e3a\u4e86\u538b\u7f29\u3002\u8981\u5b9e\u73b0\u538b\u7f29\uff0c\u5c31\u8981\u8bbe\u8ba1\u5404\u79cd\u7b97\u6cd5\uff0c\u5c06\u89c6\u9891\u6570\u636e\u4e2d\u7684\u5197\u4f59\u4fe1\u606f\u53bb\u9664\u3002<\/span><\/p>\n


<\/p>\n

\u5f53\u4f60\u9762\u5bf9\u4e00\u5f20\u56fe\u7247\uff0c\u6216\u8005\u4e00\u6bb5\u89c6\u9891\u7684\u65f6\u5019\uff0c\u4f60\u60f3\u4e00\u60f3\uff0c\u5982\u679c\u662f\u4f60\uff0c\u4f60\u4f1a\u5982\u4f55\u8fdb\u884c\u538b\u7f29\u5462\uff1f<\/span><\/p>\n

<\/p>\n

<\/span><\/p>\n

\u5bf9\u4e8e\u65b0\u57a3\u5973\u795e\uff0c\u6211\u4e00bit\u4e5f\u4e0d\u820d\u5f97\u538b\u7f29\u2026<\/span><\/p>\n


<\/p>\n

\u6211\u89c9\u5f97\uff0c\u9996\u5148\u4f60\u60f3\u5230\u7684\uff0c\u5e94\u8be5\u662f\u627e\u89c4\u5f8b\u3002<\/span><\/p>\n


<\/p>\n

\u662f\u7684\uff0c\u5bfb\u627e\u50cf\u7d20\u4e4b\u95f4\u7684\u76f8\u5173\u6027\uff0c\u8fd8\u6709\u4e0d\u540c\u65f6\u95f4\u7684\u56fe\u50cf\u5e27\u4e4b\u95f4\uff0c\u5b83\u4eec\u7684\u76f8\u5173\u6027\u3002<\/span><\/p>\n


<\/p>\n

\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5982\u679c\u4e00\u5e45\u56fe\uff081920\u00d71080\u5206\u8fa8\u7387\uff09\uff0c\u5168\u662f\u7ea2\u8272\u7684\uff0c\u6211\u6709\u6ca1\u6709\u5fc5\u8981\u8bf42073600\u6b21[255,0,0]\uff1f\u6211\u53ea\u8981\u8bf4\u4e00\u6b21[255,0,0]\uff0c\u7136\u540e\u518d\u8bf42073599\u6b21\u201c\u540c\u4e0a\u201d\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n

<\/span>
<\/p>\n


<\/p>\n

\u5982\u679c\u4e00\u6bb51\u5206\u949f\u7684\u89c6\u9891\uff0c\u6709\u5341\u51e0\u79d2\u753b\u9762\u662f\u4e0d\u52a8\u7684\uff0c\u6216\u8005\uff0c\u670980%\u7684\u56fe\u50cf\u9762\u79ef\uff0c\u6574\u4e2a\u8fc7\u7a0b\u90fd\u662f\u4e0d\u53d8\uff08\u4e0d\u52a8\uff09\u7684\u3002\u90a3\u4e48\uff0c\u662f\u4e0d\u662f\u8fd9\u5757\u5b58\u50a8\u5f00\u9500\uff0c\u5c31\u53ef\u4ee5\u8282\u7ea6\u6389\u4e86\uff1f<\/span>
<\/p>\n

<\/p>\n

<\/p>\n

<\/span>\u4ee5\u6211\u4eec\u7684\u7b7e\u540d\u56fe\u4e3a\u4f8b\uff0c\u53ea\u6709\u90e8\u5206\u5143\u7d20\u5728\u52a8\uff0c\u5927\u90e8\u5206\u662f\u4e0d\u52a8\u7684<\/span><\/p>\n


<\/p>\n

\u662f\u7684\uff0c\u6240\u8c13\u7f16\u7801\u7b97\u6cd5\uff0c\u5c31\u662f\u5bfb\u627e\u89c4\u5f8b\uff0c\u6784\u5efa\u6a21\u578b\u3002\u8c01\u80fd\u627e\u5230\u66f4\u7cbe\u51c6\u7684\u89c4\u5f8b\uff0c\u5efa\u7acb\u66f4\u9ad8\u6548\u7684\u6a21\u578b\uff0c\u8c01\u5c31\u662f\u5389\u5bb3\u7684\u7b97\u6cd5\u3002<\/span><\/strong><\/p>\n


<\/p>\n

\u901a\u5e38\u6765\u8bf4\uff0c\u89c6\u9891\u91cc\u9762\u7684\u5197\u4f59\u4fe1\u606f\u5305\u62ec\uff1a<\/span><\/p>\n


<\/p>\n

<\/p>\n


<\/p>\n

<\/span><\/p>\n

<\/p>\n

\u89c6\u9891\u7f16\u7801\u6280\u672f\u4f18\u5148\u6d88\u9664\u76ee\u6807\uff0c\u5c31\u662f\u7a7a\u95f4\u5197\u4f59\u548c\u65f6\u95f4\u5197\u4f59\u3002<\/span><\/p>\n

<\/p>\n


<\/p>\n

\u63a5\u4e0b\u6765\uff0c\u5c0f\u67a3\u541b\u5c31\u548c\u5927\u5bb6\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u7a76\u7adf\u662f\u91c7\u7528\u4ec0\u4e48\u6837\u7684\u529e\u6cd5\uff0c\u624d\u80fd\u5e72\u6389\u5b83\u4eec\u3002<\/span><\/p>\n


<\/p>\n

\u4ee5\u4e0b\u5185\u5bb9\u7a0d\u5fae\u6709\u70b9\u9ad8\u80fd\uff0c\u4e0d\u8fc7\u6211\u76f8\u4fe1\u5927\u5bb6\u8010\u5fc3\u4e00\u4e9b\u8fd8\u662f\u53ef\u4ee5\u770b\u61c2\u7684\u3002<\/span><\/p>\n


<\/p>\n

\u89c6\u9891\u662f\u7531\u4e0d\u540c\u7684\u5e27\u753b\u9762\u8fde\u7eed\u64ad\u653e\u5f62\u6210\u7684\u3002<\/span><\/p>\n


<\/p>\n

\u8fd9\u4e9b\u5e27\uff0c\u4e3b\u8981\u5206\u4e3a\u4e09\u7c7b\uff0c\u5206\u522b\u662fI\u5e27\uff0cB\u5e27\uff0cP\u5e27\u3002<\/span><\/p>\n


<\/p>\n

I\u5e27\uff0c\u662f\u81ea\u5e26\u5168\u90e8\u4fe1\u606f\u7684\u72ec\u7acb\u5e27\uff0c\u662f\u6700\u5b8c\u6574\u7684\u753b\u9762\uff08\u5360\u7528\u7684\u7a7a\u95f4\u6700\u5927\uff09\uff0c\u65e0\u9700\u53c2\u8003\u5176\u5b83\u56fe\u50cf\u4fbf\u53ef\u72ec\u7acb\u8fdb\u884c\u89e3\u7801\u3002\u89c6\u9891\u5e8f\u5217\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5e27\uff0c\u59cb\u7ec8\u90fd\u662fI\u5e27\u3002
<\/span><\/p>\n


<\/p>\n

P\u5e27\uff0c\u201c\u5e27\u95f4\u9884\u6d4b\u7f16\u7801\u5e27\u201d\uff0c\u9700\u8981\u53c2\u8003\u524d\u9762\u7684I\u5e27\u548c\/\u6216P\u5e27\u7684\u4e0d\u540c\u90e8\u5206\uff0c\u624d\u80fd\u8fdb\u884c\u7f16\u7801\u3002P\u5e27\u5bf9\u524d\u9762\u7684P\u548cI\u53c2\u8003\u5e27\u6709\u4f9d\u8d56\u6027\u3002\u4f46\u662f\uff0cP\u5e27\u538b\u7f29\u7387\u6bd4\u8f83\u9ad8\uff0c\u5360\u7528\u7684\u7a7a\u95f4\u8f83\u5c0f\u3002<\/span><\/p>\n


<\/p>\n

<\/p>\n

P\u5e27<\/span><\/p>\n


<\/p>\n

B\u5e27\uff0c\u201c\u53cc\u5411\u9884\u6d4b\u7f16\u7801\u5e27\u201d\uff0c\u4ee5\u524d\u5e27\u540e\u5e27\u4f5c\u4e3a\u53c2\u8003\u5e27\u3002\u4e0d\u4ec5\u53c2\u8003\u524d\u9762\uff0c\u8fd8\u53c2\u8003\u540e\u9762\u7684\u5e27\uff0c\u6240\u4ee5\uff0c\u5b83\u7684\u538b\u7f29\u7387\u6700\u9ad8\uff0c\u53ef\u4ee5\u8fbe\u5230200:1\u3002\u4e0d\u8fc7\uff0c\u56e0\u4e3a\u4f9d\u8d56\u540e\u9762\u7684\u5e27\uff0c\u6240\u4ee5\u4e0d\u9002\u5408\u5b9e\u65f6\u4f20\u8f93\uff08\u4f8b\u5982\u89c6\u9891\u4f1a\u8bae\uff09\u3002<\/span><\/p>\n


<\/p>\n

<\/p>\n

B\u5e27<\/span><\/p>\n


<\/p>\n

\u901a\u8fc7\u5bf9\u5e27\u7684\u5206\u7c7b\u5904\u7406\uff0c\u53ef\u4ee5\u5927\u5e45\u538b\u7f29\u89c6\u9891\u7684\u5927\u5c0f\u3002\u6bd5\u7adf\uff0c\u8981\u5904\u7406\u7684\u5bf9\u8c61\uff0c\u5927\u5e45\u51cf\u5c11\u4e86\uff08\u4ece\u6574\u4e2a\u56fe\u50cf\uff0c\u53d8\u6210\u56fe\u50cf\u4e2d\u7684\u4e00\u4e2a\u533a\u57df\uff09\u3002<\/span><\/p>\n


<\/p>\n

<\/p>\n


<\/p>\n

\u5982\u679c\u4ece\u89c6\u9891\u7801\u6d41\u4e2d\u6293\u4e00\u4e2a\u5305\uff0c\u4e5f\u53ef\u4ee5\u770b\u5230I\u5e27\u7684\u4fe1\u606f\uff0c\u5982\u4e0b\uff1a<\/span><\/p>\n


<\/p>\n

<\/p>\n


<\/p>\n

\u6211\u4eec\u6765\u901a\u8fc7\u4e00\u4e2a\u4f8b\u5b50\u770b\u4e00\u4e0b\u3002<\/span><\/p>\n


<\/p>\n

\u8fd9\u6709\u4e24\u4e2a\u5e27\uff1a<\/span><\/p>\n


<\/p>\n

<\/p>\n


<\/p>\n

\u597d\u50cf\u662f\u4e00\u6837\u7684\uff1f <\/span><\/p>\n


<\/p>\n

\u4e0d\u5bf9\uff0c\u6211\u505a\u4e2aGIF\u52a8\u56fe\uff0c\u5c31\u80fd\u770b\u51fa\u6765\uff0c\u662f\u4e0d\u4e00\u6837\u7684\uff1a<\/span><\/p>\n


<\/p>\n

<\/p>\n


<\/p>\n

\u4eba\u5728\u52a8\uff0c\u80cc\u666f\u662f\u6ca1\u6709\u5728\u52a8\u7684\u3002<\/span><\/p>\n


<\/p>\n

\u7b2c\u4e00\u5e27\u662fI\u5e27\uff0c\u7b2c\u4e8c\u5e27\u662fP\u5e27\u3002\u4e24\u4e2a\u5e27\u4e4b\u95f4\u7684\u5dee\u503c\uff0c\u5c31\u662f\u5982\u4e0b\uff1a<\/span><\/p>\n


<\/p>\n

<\/p>\n


<\/p>\n

\u4e5f\u5c31\u662f\u8bf4\uff0c\u56fe\u4e2d\u7684\u90e8\u5206\u50cf\u7d20\uff0c\u8fdb\u884c\u4e86\u79fb\u52a8\u3002\u79fb\u52a8\u8f68\u8ff9\u5982\u4e0b\uff1a<\/span><\/p>\n


<\/p>\n

<\/p>\n


<\/p>\n

\u8fd9\u4e2a\uff0c\u5c31\u662f\u8fd0\u52a8\u4f30\u8ba1\u548c\u8865\u507f\u3002<\/span><\/p>\n


<\/p>\n

<\/p>\n


<\/p>\n

\u5f53\u7136\u4e86\uff0c\u5982\u679c\u603b\u662f\u6309\u7167\u50cf\u7d20\u6765\u7b97\uff0c\u6570\u636e\u91cf\u4f1a\u6bd4\u8f83\u5927\uff0c\u6240\u4ee5\uff0c\u4e00\u822c\u90fd\u662f\u628a\u56fe\u50cf\u5207\u5272\u4e3a\u4e0d\u540c\u7684\u201c\u5757\uff08Block\uff09\u201d\u6216\u201c\u5b8f\u5757\uff08MacroBlock\uff09\u201d\uff0c\u5bf9\u5b83\u4eec\u8fdb\u884c\u8ba1\u7b97\u3002\u4e00\u4e2a\u5b8f\u5757\u4e00\u822c\u4e3a16\u50cf\u7d20\u00d716\u50cf\u7d20\u3002<\/span><\/p>\n

<\/p>\n

<\/span><\/p>\n

\u5c06\u56fe\u7247\u5207\u5272\u4e3a\u5b8f\u5757<\/span><\/p>\n


<\/p>\n

<\/p>\n

\u597d\u4e86\uff0c\u6211\u6765\u68b3\u7406\u4e00\u4e0b\u3002<\/span><\/p>\n


<\/p>\n

\u5bf9I\u5e27\u7684\u5904\u7406\uff0c\u662f\u91c7\u7528\u5e27\u5185\u7f16\u7801\u65b9\u5f0f\uff0c\u53ea\u5229\u7528\u672c\u5e27\u56fe\u50cf\u5185\u7684\u7a7a\u95f4\u76f8\u5173\u6027\u3002<\/span><\/p>\n


<\/p>\n

\u5bf9P\u5e27\u7684\u5904\u7406\uff0c\u91c7\u7528\u5e27\u95f4\u7f16\u7801\uff08\u524d\u5411\u8fd0\u52a8\u4f30\u8ba1\uff09\uff0c\u540c\u65f6\u5229\u7528\u7a7a\u95f4\u548c\u65f6\u95f4\u4e0a\u7684\u76f8\u5173\u6027\u3002\u7b80\u5355\u6765\u8bf4\uff0c\u91c7\u7528\u8fd0\u52a8\u8865\u507f(motion compensation)\u7b97\u6cd5\u6765\u53bb\u6389\u5197\u4f59\u4fe1\u606f\u3002 <\/span><\/p>\n

<\/p>\n

<\/p>\n


<\/span><\/p>\n

\u9700\u8981\u7279\u522b\u6ce8\u610f\uff0cI\u5e27\uff08\u5e27\u5185\u7f16\u7801\uff09\uff0c\u867d\u7136\u53ea\u6709\u7a7a\u95f4\u76f8\u5173\u6027\uff0c\u4f46\u6574\u4e2a\u7f16\u7801\u8fc7\u7a0b\u4e5f\u4e0d\u7b80\u5355\u3002<\/span><\/p>\n


<\/p>\n

<\/p>\n

\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u6574\u4e2a\u5e27\u5185\u7f16\u7801\uff0c\u8fd8\u8981\u7ecf\u8fc7DCT\uff08\u79bb\u6563\u4f59\u5f26\u53d8\u6362\uff09\u3001\u91cf\u5316\u3001\u7f16\u7801\u7b49\u591a\u4e2a\u8fc7\u7a0b\u3002\u9650\u4e8e\u7bc7\u5e45\uff0c\u52a0\u4e4b\u8f83\u4e3a\u590d\u6742\uff0c\u4eca\u5929\u5c31\u653e\u5f03\u89e3\u91ca\u4e86\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n

\u90a3\u4e48\uff0c\u89c6\u9891\u7ecf\u8fc7\u7f16\u7801\u89e3\u7801\u4e4b\u540e\uff0c\u5982\u4f55\u8861\u91cf\u548c\u8bc4\u4ef7\u7f16\u89e3\u7801\u7684\u6548\u679c<\/strong>\u5462\uff1f<\/span><\/p>\n

<\/p>\n

\u4e00\u822c\u6765\u8bf4\uff0c\u5206\u4e3a\u5ba2\u89c2\u8bc4\u4ef7\u548c\u4e3b\u89c2\u8bc4\u4ef7\u3002<\/span><\/p>\n

<\/p>\n

\u5ba2\u89c2\u8bc4\u4ef7\uff0c\u5c31\u662f\u62ff\u6570\u5b57\u6765\u8bf4\u8bdd\u3002\u4f8b\u5982\u8ba1\u7b97\u201c\u4fe1\u566a\u6bd4\/\u5cf0\u503c\u4fe1\u566a\u6bd4\u201d\u3002<\/span><\/p>\n

<\/p>\n

\u641e\u901a\u4fe1\u7684\u7ae5\u978b\u5e94\u8be5\u5bf9\u8fd9\u4e2a\u6982\u5ff5\u4e0d\u4f1a\u964c\u751f\u5427\uff1f<\/span><\/p>\n

<\/p>\n

<\/p>\n


<\/p>\n

<\/span>\u4fe1\u566a\u6bd4\u7684\u8ba1\u7b97\uff0c\u6211\u5c31\u4e0d\u4ecb\u7ecd\u4e86\uff0c\u4e22\u4e2a\u516c\u5f0f\uff0c\u6709\u7a7a\u53ef\u4ee5\u81ea\u5df1\u6162\u6162\u7814\u7a76…<\/span><\/p>\n


<\/p>\n

<\/span><\/p>\n


<\/p>\n

\u9664\u4e86\u5ba2\u89c2\u8bc4\u4ef7\uff0c\u5c31\u662f\u4e3b\u89c2\u8bc4\u4ef7\u4e86\u3002<\/span><\/p>\n

<\/p>\n

\u4e3b\u89c2\u8bc4\u4ef7\uff0c\u5c31\u662f\u7528\u4eba\u7684\u4e3b\u89c2\u611f\u77e5\u76f4\u63a5\u6d4b\u91cf\uff0c\u989d\uff0c\u8bf4\u4eba\u8bdd\u5c31\u662f\u2014\u2014\u201c\u597d\u4e0d\u597d\u770b\u6211\u8bf4\u4e86\u7b97<\/span>\u201d\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n

<\/span>
<\/p>\n

<\/p>\n


<\/p>\n

\n
\n
\n

   <\/span><\/strong><\/span>  <\/span><\/strong>\u89c6\u9891\u7f16\u7801\u7684\u56fd\u9645\u6807\u51c6<\/strong> <\/strong> <\/span><\/strong><\/span><\/span>  <\/span><\/strong><\/strong><\/span><\/p>\n


<\/p>\n<\/section>\n<\/section>\n<\/section>\n


<\/p>\n


<\/span><\/p>\n

\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u518d\u8bf4\u8bf4\u6807\u51c6\uff08Standard\uff09<\/strong>\u3002<\/span>
<\/span><\/p>\n


<\/p>\n

\u4efb\u4f55\u6280\u672f\uff0c\u90fd\u6709\u6807\u51c6\u3002\u81ea\u4ece\u6709\u89c6\u9891\u7f16\u7801\u4ee5\u6765\uff0c\u5c31\u8bde\u751f\u8fc7\u5f88\u591a\u7684\u89c6\u9891\u7f16\u7801\u6807\u51c6\u3002<\/span><\/p>\n


<\/p>\n

\u63d0\u5230\u89c6\u9891\u7f16\u7801\u6807\u51c6\uff0c\u5148\u4ecb\u7ecd\u51e0\u4e2a\u5236\u5b9a\u6807\u51c6\u7684\u7ec4\u7ec7\u3002<\/span><\/p>\n


<\/p>\n

\u9996\u5148\uff0c\u5c31\u662f\u5927\u540d\u9f0e\u9f0e\u7684ITU\uff08\u56fd\u9645\u7535\u4fe1\u8054\u76df\uff09\u3002<\/span><\/p>\n

<\/p>\n

 <\/span><\/p>\n

<\/p>\n

ITU\u662f\u8054\u5408\u56fd\u4e0b\u5c5e\u7684\u4e00\u4e2a\u4e13\u95e8\u673a\u6784\uff0c\u5176\u603b\u90e8\u5728\u745e\u58eb\u7684\u65e5\u5185\u74e6\u3002<\/span><\/p>\n


<\/p>\n

ITU\u4e0b\u5c5e\u6709\u4e09\u4e2a\u90e8\u95e8\uff0c\u5206\u522b\u662fITU-R\uff08\u524d\u8eab\u662f\u56fd\u9645\u65e0\u7ebf\u7535\u54a8\u8be2\u59d4\u5458\u4f1aCCIR\uff09\u3001ITU-T\uff08\u524d\u8eab\u662f\u56fd\u9645\u7535\u62a5\u7535\u8bdd\u54a8\u8be2\u59d4\u5458\u4f1aCCITT\uff09\u3001ITU-D\u3002<\/span><\/p>\n


<\/p>\n

<\/p>\n


<\/p>\n

\u9664\u4e86ITU\u4e4b\u5916\uff0c\u53e6\u5916\u4e24\u4e2a\u548c\u89c6\u9891\u7f16\u7801\u5173\u7cfb\u5bc6\u5207\u7684\u7ec4\u7ec7\uff0c\u662fISO\/IEC\u3002
<\/span><\/p>\n

<\/p>\n

<\/p>\n


<\/p>\n

ISO\u5927\u5bb6\u90fd\u77e5\u9053\uff0c\u5c31\u662f\u63a8\u51faISO9001\u8d28\u91cf\u8ba4\u8bc1\u7684\u90a3\u4e2a\u201c\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7\u201d<\/strong>\u3002IEC\uff0c\u662f\u201c\u56fd\u9645\u7535\u5de5\u59d4\u5458\u4f1a<\/span><\/strong>\u201d\u3002<\/span><\/p>\n

<\/p>\n

1988\u5e74\uff0cISO\u548cIEC\u8054\u5408\u6210\u7acb\u4e86\u4e00\u4e2a\u4e13\u5bb6\u7ec4\uff0c\u8d1f\u8d23\u5f00\u53d1\u7535\u89c6\u56fe\u50cf\u6570\u636e\u548c\u58f0\u97f3\u6570\u636e\u7684\u7f16\u7801\u3001\u89e3\u7801\u548c\u5b83\u4eec\u7684\u540c\u6b65\u7b49\u6807\u51c6\u3002<\/span>\u8fd9\u4e2a\u4e13\u5bb6\u7ec4\uff0c\u5c31\u662f\u5927\u540d\u9f0e\u9f0e\u7684MPEG\uff0cMoving Picture Expert Group\uff08\u52a8\u6001\u56fe\u50cf\u4e13\u5bb6\u7ec4\uff09<\/strong>\u3002<\/span><\/span><\/p>\n

<\/p>\n

<\/p>\n


<\/p>\n

<\/p>\n

\u4e09\u5341\u591a\u5e74\u4ee5\u6765\uff0c\u4e16\u754c\u4e0a\u4e3b\u6d41\u7684\u89c6\u9891\u7f16\u7801\u6807\u51c6\uff0c\u57fa\u672c\u4e0a\u90fd\u662f\u5b83\u4eec\u63d0\u51fa\u6765\u7684\u3002<\/span><\/p>\n

<\/p>\n

ITU\u63d0\u51fa\u4e86H.261\u3001H.262\u3001H.263\u3001H.263+\u3001H.263++\uff0c\u8fd9\u4e9b\u7edf\u79f0\u4e3aH.26X\u7cfb\u5217\uff0c\u4e3b\u8981\u5e94\u7528\u4e8e\u5b9e\u65f6\u89c6\u9891\u901a\u4fe1\u9886\u57df\uff0c\u5982\u4f1a\u8bae\u7535\u89c6\u3001\u53ef\u89c6\u7535\u8bdd\u7b49\u3002<\/span><\/p>\n


<\/p>\n

ISO\/IEC\u63d0\u51fa\u4e86MPEG1\u3001MPEG2\u3001MPEG4\u3001MPEG7\u3001MPEG21\uff0c\u7edf\u79f0\u4e3aMPEG\u7cfb\u5217\u3002<\/span><\/p>\n

ITU\u548cISO\/IEC\u4e00\u5f00\u59cb\u662f\u5404\u81ea\u6363\u9f13\uff0c\u540e\u6765\uff0c\u4e24\u8fb9\u6210\u7acb\u4e86\u4e00\u4e2a\u8054\u5408\u5c0f\u7ec4\uff0c\u540d\u53ebJVT\uff08Joint Video Team\uff0c\u89c6\u9891\u8054\u5408\u5de5\u4f5c\u7ec4\uff09<\/strong>\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n


<\/span><\/p>\n

JVT\u81f4\u529b\u4e8e\u65b0\u4e00\u4ee3\u89c6\u9891\u7f16\u7801\u6807\u51c6\u7684\u5236\u5b9a\uff0c\u540e\u6765\u63a8\u51fa\u4e86\u5305\u62ecH.264\u5728\u5185\u7684\u4e00\u7cfb\u5217\u6807\u51c6\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n

<\/span>\u538b\u7f29\u7387\u5bf9\u6bd4<\/span><\/p>\n

<\/p>\n

<\/p>\n

<\/span>\u89c6\u9891\u7f16\u7801\u6807\u51c6\u7684\u53d1\u5c55\u5173\u7cfb<\/span><\/p>\n


<\/p>\n

\u5927\u5bb6\u7279\u522b\u6ce8\u610f\u4e00\u4e0b\u4e0a\u56fe\u91cc\u9762\u7684HEVC\uff0c\u4e5f\u5c31\u662f\u73b0\u5728\u98ce\u5934\u6b63\u76db\u7684H.265\u3002<\/span><\/p>\n

<\/p>\n

 <\/span><\/span><\/p>\n

<\/p>\n

\u4f5c\u4e3a\u4e00\u79cd\u65b0\u7f16\u7801\u6807\u51c6\uff0c\u76f8\u6bd4H.264\u6709\u6781\u5927\u7684\u6027\u80fd\u63d0\u5347\uff0c\u76ee\u524d\u5df2\u7ecf\u6210\u4e3a\u6700\u65b0\u89c6\u9891\u7f16\u7801\u7cfb\u7edf\u7684\u6807\u914d\u3002<\/span><\/p>\n

<\/p>\n

<\/p>\n


<\/p>\n

\u6700\u540e\uff0c\u6211\u518d\u8bf4\u8bf4\u5c01\u88c5<\/strong>\u3002<\/span><\/p>\n


<\/p>\n

\u5bf9\u4e8e\u4efb\u4f55\u4e00\u90e8\u89c6\u9891\u6765\u8bf4\uff0c\u53ea\u6709\u56fe\u50cf\uff0c\u6ca1\u6709\u58f0\u97f3\uff0c\u80af\u5b9a\u662f\u4e0d\u884c\u7684\u3002\u6240\u4ee5\uff0c\u89c6\u9891\u7f16\u7801\u540e\uff0c\u52a0\u4e0a\u97f3\u9891\u7f16\u7801\uff0c\u8981\u4e00\u8d77\u8fdb\u884c\u5c01\u88c5\u3002<\/span><\/p>\n


<\/p>\n

\u5c01\u88c5\uff0c\u5c31\u662f\u5c01\u88c5\u683c\u5f0f\uff0c\u7b80\u5355\u6765\u8bf4\uff0c\u5c31\u662f\u5c06\u5df2\u7ecf\u7f16\u7801\u538b\u7f29\u597d\u7684\u89c6\u9891\u8f68\u548c\u97f3\u9891\u8f68\u6309\u7167\u4e00\u5b9a\u7684\u683c\u5f0f\u653e\u5230\u4e00\u4e2a\u6587\u4ef6\u4e2d\u3002\u518d\u901a\u4fd7\u70b9\uff0c\u89c6\u9891\u8f68\u76f8\u5f53\u4e8e\u996d\uff0c\u800c\u97f3\u9891\u8f68\u76f8\u5f53\u4e8e\u83dc\uff0c\u5c01\u88c5\u683c\u5f0f\u5c31\u662f\u4e00\u4e2a\u996d\u76d2\uff0c\u7528\u6765\u76db\u653e\u996d\u83dc\u7684\u5bb9\u5668\u3002<\/span><\/p>\n


<\/p>\n

\u76ee\u524d\u4e3b\u8981\u7684\u89c6\u9891\u5bb9\u5668\u6709\u5982\u4e0b\uff1aMPG\u3001VOB\u3001MP4\u30013GP\u3001ASF\u3001RMVB\u3001WMV\u3001MOV\u3001Divx\u3001MKV\u3001FLV\u3001TS\/PS\u7b49\u3002<\/span><\/p>\n


<\/p>\n

\u5c01\u88c5\u4e4b\u540e\u7684\u89c6\u9891\uff0c\u5c31\u53ef\u4ee5\u4f20\u8f93\u4e86\uff0c\u4f60\u4e5f\u53ef\u4ee5\u901a\u8fc7\u89c6\u9891\u64ad\u653e\u5668\u8fdb\u884c\u89e3\u7801\u89c2\u770b\u3002<\/span><\/p>\n


<\/p>\n

<\/p>\n


<\/p>\n

\n
\n
\n

   <\/span><\/strong><\/span>  <\/span><\/strong>\u6700\u540e\u7684\u8bdd<\/strong> <\/strong> <\/span><\/strong><\/span><\/span>  <\/span><\/strong><\/strong><\/span><\/p>\n


<\/p>\n<\/section>\n<\/section>\n<\/section>\n


<\/p>\n


<\/p>\n

\u597d\u5566\uff01\u989d\u6ef4\u795e\u554a\uff0c\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u4e86\u3002\u3002\u3002<\/span><\/p>\n

<\/p>\n

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