http://blog.csdn.net/thefutureisour/article/details/7530344
http://blog.csdn.net/sinat_31135199/article/details/53088926
https://stackoverflow.com/questions/17679470/using-gpugpumat-in-opencv-c
https://stackoverflow.com/questions/6965465/how-to-convert-gpumat-to-cvmat-in-opencv
http://blog.csdn.net/sinat_19473755/article/details/47363223
https://barkingbogart.wordpress.com/2012/07/01/face-detection-with-opencv-gpu-version/
https://docs.opencv.org/3.2.0/de/db2/laplace_8cpp-example.html#a6
http://blog.csdn.net/jia20003/article/details/69802932
https://docs.opencv.org/3.2.0/
http://blog.csdn.net/abc869788668/article/details/73921018
http://answers.opencv.org/question/58331/opencv-300-and-opencl-benchmark-sobel-edge-detection/
http://answers.opencv.org/question/63452/opencv-30-the-performance-of-umat/
https://github.com/lheric/libgitlmvc
http://blog.csdn.net/taiyang1987912/article/details/38681969