5509A开发板图像处理例程，包括边缘检测、直方图均衡化、锐化、反转.-5509A development board image processing routines, including edge detection, histogram equalization, sharpening, reversed.

1. To study representation of digital images as two dimensional (2D) signals 2. To apply signal processing techniques for digital image processing and 3. To implement and perform image processing, tasks such as image softening, sharpening, and