salam: edge detection for image and keep with color

Question

computer s 2013-3-17

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https://ww2.mathworks.cn/matlabcentral/answers/67552-salam-edge-detection-for-image-and-keep-with-color

salam: My problem do not found edge detection with color object . I want to find edge detection for any (true color image) and remains the image colors . pleeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeese help me.

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Answer 1

Image Analyst 2013-3-17

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https://ww2.mathworks.cn/matlabcentral/answers/67552-salam-edge-detection-for-image-and-keep-with-color#answer_78985

OK, how can we help you?

Did you upload your image anywhere? Have you specified what algorithm you want to use? Have you said what code you tried, for example edge() or imgradient()? What have you done to allow us to help you?

http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

And what do the products you listed have to do with edge detection in a color image? Financial, Embedded, Simulink, ode42, Communications, Compiler, etc.

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computer s 2013-3-17

I am so sorry for question format . I don't have function to edge detection for color image,because most function require to convert image to binary image. My image is eye contains blue colors.

Image Analyst 2013-3-17

edge() requires a grayscale image, not a binary image. Same for imgradient. Please try them. These are in the Image Procesisng Toolbox, which hopefully have have since you're doing image processing. If those other products are not needed to answer this question, then delete them.

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