HSV颜色空间的上限和下限范围检查 最小轮廓面积百分之轮廓过滤-HSV color space of the upper and lower range checking minimum contour area per contour filter

OpenCV 例子，通过OpenCV 的例子，可以简单的移植到android手机上并运行，开发环境已经包含在里面了-OpenCV example, through the examples of OpenCV, can simply ported to Android on the phone and running and development environment has been included in the inside

基于欧拉视频放大技术，通过前置摄像头检测人脸随心率的颜色变化达到测出心率的效果-Euler video amplification technology, by a color change front camera face detection heart rate reaches a measured effect on heart rate