how to find pdf of an image after applying wavelet transform in image segmentation .please help me...

how to find pdf of an image after applying wavelet transform in image segmentation .please help me...

Answer 1

[Image Analyst]

I would guess that you want to call hist() or histc().

[asmi]

I tried this hist from image then pdf ..but it gets only one column of an image ..is it right or wrong??

[Image Analyst]

[pixelCounts, values] = hist(waveletImage(:), 100); % Or however many bins you want.