这是2440关于cmos摄像头的读写程序，但是JPEG的压缩率有待改进，有兴趣的朋友可以一起研究。-This is a cmos camera on the 2440 reading and writing program, but the JPEG compression ratio could be improved, interested friends can study together.

哈夫曼编码压缩图块，压缩数组，压缩率还可以。-Huffman coding compression blocks, packed arrays, the compression ratio can also be