小波_一维二维图形分解与重构，并给出了详细的图像近似低频系数图像以及水平、垂直、对角线高频图像，给出了程序的详细说明，附有图片，对初学者帮助会很大-use wave to process images in matlab,include one and two dimension wavedec2 and waverec2
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