OpenCV3.0中CommandLineParser类

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OpenCV中CommandLineParse类主要是命令行解析类。

OpenCV中出现此类的主要目：方便用户在命令行使用过程中减少工作量。具体使用方式如下：

const String keys =    "{help h usage ? |      | print this message   }"    "{@image1        |      | image1 for compare   }"    "{@image2        |      | image2 for compare   }"    "{@repeat        |1     | number               }"    "{path           |.     | path to file         }"    "{fps            | -1.0 | fps for output video }"    "{N count        |100   | count of objects     }"    "{ts timestamp   |      | use time stamp       }"    ;

CommandLineParser parser(argc, argv, keys);parser.about("Application name v1.0.0");if (parser.has("help")){    parser.printMessage();    return 0;}int N = parser.get<int>("N");double fps = parser.get<double>("fps");String path = parser.get<String>("path");use_time_stamp = parser.has("timestamp");String img1 = parser.get<String>(0);String img2 = parser.get<String>(1);int repeat = parser.get<int>(2);if (!parser.check()){    parser.printErrors();    return 0;}

参考：http://www.cnblogs.com/tornadomeet/archive/2012/04/15/2450505.html

http://blog.csdn.net/yzhang6_10/article/details/51074305

http://blog.csdn.net/jkhere/article/details/8674019

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