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Region of Interest (ROI) based

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sadhna
sadhna 2013-2-14
回答： Image Analyst 2017-10-12
hi can any one tell me there is any function in which after apply roi the output shows the original value of image in mask area...

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回答（2 个）

Matt J
Matt J 2017-10-12
You can get the values using the createMask method of any imroi object.
Image Analyst
Image Analyst 2017-10-12
This will give you the pixel values in the mask (where the mask is true):
pixelValues = grayImage(mask);
Also, see my attached masking demo, and see my Image Segmentation Tutorial in my File Exchange: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862&sort=downloads_desc

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