extracting the region of interest in a image

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Chandra Shekhar
Chandra Shekhar 2012-9-18
回答： Vidhi Agarwal 2025-6-10
pls help me,how to extract ROI in a image, i mean image is having so many faces,so i need to extract face part..

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Vidhi Agarwal
Vidhi Agarwal 2025-6-10
Hi @Chandra Shekhar,
To extract the face part in an image, "vision.CascadeObjectDetector" might help you in getting started. The cascade object detector uses the Viola-Jones algorithm to detect people’s faces, noses, eyes, mouth, or upper body.
Refer to the following documentation for better understanding: https://www.mathworks.com/help/vision/ref/vision.cascadeobjectdetector-system-object.html
Hope this helps!

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