使用哈夫曼编码将BMP图像转JPEG图像-Use Huffman encoding BMP image to JPEG image

对一BMP图像进行huffman的编码及解码。-BMP images on a huffman encoding and decoding.

应用哈夫曼编码实现对灰度图片的压缩（原图片应先转码为bmp格式）(The application of Huffman coding to compress the grayscale images (the original image should be transcoded to BMP format first))