In the context of moving object detection in video sequences, is there a suitable technique for moving objects separating from shadow?

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Omer N. Gerek

http://www.eurasip.org/Proceedings/Ext/NSIP99/Nsip99/papers/14.pdf

and its references...

Chirag Patel

Top-Down and Bottom-Up Cues Based Moving Object Detection for Varied Background Video Sequences

www.hindawi.com/journals/am/2014/879070/

http://dl.acm.org/citation.cfm?id=2728183

Go Through this paper might be useful for you . And if you found useful please cite it.