topic 2D Wavelet - how to find correct anchor values? in Intel® Integrated Performance Primitives

2D Wavelet - how to find correct anchor values?

th_weber — Wed, 07 Dec 2011 18:16:03 GMT

Hi,
I'm trying to use the 2d wavelet functions with the bior4.4 wavelet (from Matlab, values available at
http://wavelets.pybytes.com/wavelet/bior4.4/).

In Matlab, I can get perfect reconstrution using a simple test matrix, but I get non-sensical values with IPP. I think that's due to having wrong anchor values: I'm using 0 for every anchor.

How can I deduce the correct anchor values?
Thanks
Thomas

2D Wavelet - how to find correct anchor values?

Ying_H_Intel — Thu, 08 Dec 2011 03:58:52 GMT

Hi Thomas,

You may refer tothe 2d wavelet sample in IPP \ipp-samples\image-processing

Download the Intel IPP Code Samples

The free Intel IPP code samples can be downloaded by going here.

Regards,
Ying

2D Wavelet - how to find correct anchor values?

th_weber — Thu, 08 Dec 2011 13:54:11 GMT

Hi Ying,

the 2d wavelet sample deals only with the Daubechie, order2 wavelet. I don't quite see how I can continue from this sample.

Thanks
Thomas