Get Feature from an image and match it from another image

I am working in a project that i want to get the feature of an image then i want to select only the parts on other image that match with this feature

Answer 1

[Image Analyst]

See my answer to practically the same question in http://www.mathworks.com/matlabcentral/answers/35092-how-to-compare-two-image-which-should-neglect-the-lighting-changes

Answer 2

[Richard Brown]

There are lots of algorithms that do this. Try google for

• SIFT
• SUSAN
• NCC
• Harris

etc. etc. There are many Matlab (or Matlab interface) implementations available, e.g. VLFeat