图像压缩编码实例程序，包括霍夫曼编码、香农-费诺编码、算术编码、位平面编码、预测编码，对图像处理中需要编码操作时有参考价值。注意仅针对256色位图。-Examples of image compression coding procedures, including Huffman coding, Shannon- Fenno coding, arithmetic coding, bit plane coding, predictive coding of image processing op