使用NDK编译好的openCV库打开图片进行canny边缘检测再保存的Android程序代码-OpenCV library compiled using the NDK pictures canny edge detection to open and then save the Android code

canny边缘检测，传统边缘检测算法的研究，试图将独立边的候选像素拼装成轮廓(Edge detection; traditional algorithm)