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how to set region inside roi (polygon) to 1.

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Nithya 2014-2-13

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回答： Image Analyst 2014-2-13

采纳的回答： Image Analyst

I have a polygon drawn on an image using impoly. I want to set the region inside the polygon to 1. Can it be done. Please help me. Nithya

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Image Analyst 2014-2-13

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If you have the Image Processing Toolbox, you can use the poly2mask() function to do that

[rows, columns, numberOfColorChannels] = size(yourImage);
binaryMask = poly2mask(x, y, rows, columns);

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Image Processing and Computer Vision Image Processing Toolbox Image Filtering and Enhancement ROI-Based Processing

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