Local-self similarity descriptor

Hello,

Iam developping the local-self similarity descriptor using matlab. I had an issue in how to calculate the log-polar histogram. Can you help me please?

Answer 1

[Anand]

Here are some options: 1. Take a histogram after converting your image to log polar coordinates. The following thread has some code for converting to log-polar coordinates:

http://www.mathworks.com/matlabcentral/newsreader/view_thread/108599

2. Another option is to look at the following implementation:

http://www.robots.ox.ac.uk/~vgg/software/SelfSimilarity/

Note that I haven't tried either. These are just options that you can explore.

Hope this helps!