Get Feature from an image and match it from another image

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Isee You 2012-4-10

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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

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Image Analyst 2012-4-11

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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

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Richard Brown 2012-4-11

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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

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Image Processing and Computer Vision Computer Vision Toolbox Feature Detection and Extraction

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