wavelet for image texture extraction

2015 10 31
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更新时间：2021 8 20
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Hi, I want to be able to produce feature images using wavelet. I used the following command
[cA,cH,cV,cD] = dwt2(input_image,'db1' ); but the size of each output element like cA etc. is half size of the input image. How can produce wavelet images at the same size of my input image?

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