is there a DWT function in opencv?

Question

is there a DWT (discrete wavelet transform ) function in opencv ?? else if anyone have link of its implementation in c++

Answer 1

No, I don't believe OpenCV has that functionality.

This page might be useful.

Answer 2

It appears that openCV does not have an implementation of the DWT algorithm, but a quick google search turns up two results which may be relevant.

First is a result from Koders code search, which is an implementation designed to process MPEG4 frames for an image decoding program.

There is also a google code project, wavelet1d which is a version designed to process a 1d array of data.

You may be able to use those two implementations to build your own suitable for your uses?