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What is feautre extraction? And what is its use in classification of image processing?

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Sheema Khattak
Sheema Khattak il 3 Mag 2014
Risposto: Image Analyst il 5 Mag 2014
What is feautre extraction? And what is its use in classification of image processing?
I want to know in the context of svm classification for image processing

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Image Analyst
Image Analyst il 5 Mag 2014
It's the making of measurements from an image. First you do segmentation to find the objects. Then you can classify them into different objects/"blobs" (e.g. circles and squares). Then you can label them to assign unique ID numbers for them. Then you can measure features for each blob, like area, perimeter, etc.

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