使用NDK编译好的openCV库打开图片将图片宽高都缩小成1/2之后再保存的Android程序代码-OpenCV library compiled using the NDK open the picture width and height of the image are reduced to 1/2 after the program code stored in the Android

本人实现的android程序，主要功能是人脸锁，使用jni将opencv编译成so库，可以进行人脸锁操作，喜欢研究人脸识别的朋友可以参考。-I realized android program, the main function of a human face lock, use jni the opencv library compiled so, you can face the lock operation, like the study of face recognition can