Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Wavelet transform for images cannot interpret it correctly

  1. Sep 10, 2012 #1
    Wavelet transform for images....cannot interpret it correctly...

    Hello Forum,
    The discrete wavelet transform and the continuous wavelet transform are two different beasts.

    When we take the DWT of an image, we get a bunch of subimages that are different in size. Each subimage is like a filtered (low pass or high pass) of the original image....

    I understand filtering but I don't see any relation to the way I understand the 1D wavelet transform works: correlation between the signal and scaled, stretched versions of the chosen mother wavelet. The wavelet transform shows the coefficient for the most correlated wavelets....This seems way far from a filtering process...

    thanks
    fisico30
     
  2. jcsd
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Can you offer guidance or do you also need help?
Draft saved Draft deleted



Similar Discussions: Wavelet transform for images cannot interpret it correctly
Loading...