实现了用ＳＰＩＨＴ和ＥＺＷ结合算术编码对图象进行压缩，为方便起见，处理的图象的长和宽相等，并且为２的整数次幂-achieved with SPIHT and arithmetic coding EZW combination of image compression, for the sake of convenience. the image of the same length and width, and for the two integer Powers