小波变换滤波器，适用于delphi开发，可用于图形图像处理。-Wavelet transform filters for delphi development, can be used to handle graphics images.

WFB2DEC 2-D Wavelet Filter Bank Decomposition y = wfb2dec(x, h, g) Input: x: input image h, g: lowpass analysis and synthesis wavelet filters Output: x_LL, x_LH, x_HL, x_HH: Four 2-D wavelet subbands Make sure filt