https://docs.opencv.org/3.0-beta/doc/py_tutorials/py_imgproc/py_template_matching/py_template_matching.html
图片中找人游戏
https://machinelearningmastery.com/using-opencv-python-and-template-matching-to-play-wheres-waldo/
template和原图不同分辨率,查找
https://www.pyimagesearch.com/2015/01/26/multi-scale-template-matching-using-python-opencv/