How do i tell if an image has a shadow or not?
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I'm currently working on a project to detect and remove shadows from an image assuming all my input images have shadows. Input images are those that have definite shadows (i.e) easy to determine that it really is a shadow just by looking at the image. My professor wants me to first find out if an image has a true shadow or not. If it does then proceed with the shadow detection and removal. I have no idea how to do this. Any thoughts?
MHN on 23 Mar 2016
Edited: MHN on 23 Mar 2016
It is like someone come here and ask you how can I do face detection with Matlab! There are 88,500 of papers (search it in google scholar), and thousands of researchers putting years of their life to answer this question and increase accuracy of their algorithms. It is exactly the same with your question! If you are a green researcher in this field, start with theory and algorithms, then try to implement the current methods. Then if you have a question about implementation in Matlab come and ask us. I believe the link that @Walter Roberson has sent is the best answer to your question.