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Groups > sci.image.processing > #4030
| From | Dale <dale@dalekelly.org> |
|---|---|
| Newsgroups | sci.image.processing |
| Subject | Re: Gra Level Co-occurence Matrix |
| Date | 2015-09-16 17:04 -0400 |
| Message-ID | <8p9b1b.f6j.19.3@news.alt.net> (permalink) |
| References | <472791d9-9f2e-43dd-9bf9-4ecf1aabe178@googlegroups.com> |
On 09/05/2015 04:29 AM, Hitendra Kumar wrote: > I am trying to find out how statistics derived from GLCM vary with different pixel distance. > For this I am using an image with short and discontinuous vertical stripes. > Following are the steps: > 1. consider one row -> obtain GLCM -> calculate contrast, correlation and energy statistics. > 2. loop through all the rows. > 3. change pixel distance and repeat 1 & 2. > > The plots of correlation and energy have a exponential decay trend. > I am not able to figure out: > 1. Why do they decay exponentially? > 2. In case of correlation, I should get a peak whenever the pixel distance is equal to stripe widths. Why is this not evident in plots? > gamma is an exponential function? what does a linear gamma do? -- Dale http://www.dalekelly.org
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Gra Level Co-occurence Matrix Hitendra Kumar <hitendrak565@gmail.com> - 2015-09-05 01:29 -0700 Re: Gra Level Co-occurence Matrix Dale <dale@dalekelly.org> - 2015-09-16 17:04 -0400
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