说明：  haar小波图像信号正变换和逆变换，采用matlab编写，具有较好的移植性和较简洁的语言。haar小波图像信号正变换和逆变换，采用matlab编写，具有较好的移植性和较简洁的语言
(haar wavelet image transform and inverse transform the signal is using matlab written, with good portability and a more concise language. haar wavelet image transform and inverse transform the signal is using matlab written, with good portability and a more concise language)