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①之前修改SIFT内部函数时发现如下的size_t

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size_t是无符号的,并且是平台无关的,表示0-MAXINT的范围,具体参考

 ② 关于resize中area和InputArray的使用

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详见:

http://monkeycoding.com/?tag=point2f

http://blog.csdn.net/yang_xian521/article/details/7755101  觉得里面的仿射变换程序错啦  没有计算y坐标啊

③openmp的功能就那么少?

http://www.cnblogs.com/yangyangcv/archive/2012/03/23/2413335.html

暂时就那么些吧

④特征点的读写

http://blog.csdn.net/wd1603926823/article/details/48969039  实现了特征点的坐标与描述符矩阵的写

 //This will store your keypoints in a file named keypoints.yml and the node containing the data is named "aNameYouLike". vector<Keypoint> mykpts; FileStorage fs("keypoints.yml", FileStorage::WRITE); write( fs , "aNameYouLike", mykpts ); fs.release();//This will be used to read back the keypoints from the file vector<Keypoint> mykpts2;  FileStorage fs2("keypoints.yml", FileStorage::READ);  FileNode kptFileNode = fs2["aNameYouLike"];  read( kptFileNode, mykpts2 );  fs2.release();

参考   或看opencv读写xml、yml的规范

⑤qt入门

http://www.qter.org/?page_id=161

 

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