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dwt2
- 我自己写的小波变换,有低频系数图像,水平高频图像,垂直高频图像,希望对大家有帮助
tvnrreversewavelettemp
- wavelet based watermarking with dwt2 function in matlab it s an implementaton of an ieee paper.its a visible watermark it calculates the peak signal to noise ratio and the mean square error
wavelet-decomposition
- 利用多尺度小波分解函数dwt2对图像进行二尺度小波分解(仍然采用db1小波)-(Still using db1 wavelet multi-scale wavelet decomposition of the two-scale wavelet decomposition function dwt2 image)
three-level
- three level on dwt2 by using matlab
xiaobo
- 单层小波变换对二维图像进行分解,[cA1,cH1,cV1,cD1]=dwt2(X, db1 ):计算图像X指定小波基的单层二维离散小波变换分解,其中cA为近似小波系数矩阵,参量cH,cV和cD分别为小波分解的水平细节系数、垂直细节系数和对角细节系数。-Single layer wavelet transform to the two-dimensional image decomposition, [cA1, cH1, cV1, cD1]=dwt2 (X, db1 ): X single ima