segmentation via chan-vese algorithm

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taham 2011-5-24

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https://ww2.mathworks.cn/matlabcentral/answers/8121-segmentation-via-chan-vese-algorithm

hi I want to do my project and I need help. my project summary is: I have an "avi" video. this video represents a street that peoples and cars moves through it in random times. first I must choose a random frame of video and I must segment every moving object(peoples and cars) in that frame. I want to use chan-vese algorithm(Active Contours Without Edges) for segmentation. I find a sample code in internet about it but it doesn't work goodly. anybody can help me. thank you so much for your attentions.

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Sean de Wolski 2011-5-24

So the camera is fixed?

taham 2011-5-30

yes

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Sean de Wolski 2011-5-24

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Assuming the camera is fixed, you should be able to subtract two adjacent frames and anything that has changed between them must be moving (excluding changes in daylight/brightness/etc.).