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Wavelet Transform

asked 2013-03-27 13:41:37 -0500

Ethan gravatar image

updated 2013-03-27 13:42:27 -0500

I am planning to make a Android App that uses 2D Haar Wavelet Transform to encode data into pictures. Can OpenCV do the transform for me? I am new to OpenCV and am seeking a java library that is able to do this.

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answered 2013-03-27 13:47:17 -0500

Yes, the haarwavelet structure are actualy simple 2D filters. Filtering is implemented in OpenCV. Just look for the correct filter structure to get the desired result.

I only know the C++ - code but you can use Java bindings to reach the same result.

http://docs.opencv.org/modules/imgproc/doc/filtering.html?highlight=filter%202d#cv.Filter2D

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Thanks for the quick response helping me to make sure OpenCV fits my situation. I am going ahead downloading OpenCV for my project. :D

Ethan gravatar imageEthan ( 2013-03-27 13:56:28 -0500 )edit
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answered 2013-12-22 01:36:43 -0500

stereomatching gravatar image

Just give filter2D a try, but looks like it can not implement the haar discrete wavelet transform.However, stack overflow do have an answer

dwt

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Asked: 2013-03-27 13:41:37 -0500

Seen: 7,319 times

Last updated: Dec 22 '13