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how to covert Gray-scale video into RGB video

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syscon
syscon 2014-8-27
评论： Ank 2014-8-28
Dear friends, For the fast performance i had converted the video into Gray-scale format. now. In my project i need to show the output in RGB (true color) after the object detection process. Kindly share any close idea related to this .

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回答（1 个）

Image Analyst
Image Analyst 2014-8-27
Do you want to know how to make a movie from a series of gray scale image? Where is the color coming from? Are you adding graphics or something?
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Image Analyst
Image Analyst 2014-8-28
编辑：Image Analyst 2014-8-28
I did not understand the answer and don't have my questions answered. But anyway, to convert a grayscale image to color, you can do this:
rgbImage = cat(3, grayImage, grayImage, grayImage);
or this;
rgbImage = ind2rgb(grayImage, someColorMap);
And I don't know why Simulink is in the product list or tags list.
Ank
Ank 2014-8-28
I guess after your processing instead of overlaying tracking blobs on the gray scale image do it directly on your RGB image that you already have it. It solves your problem right?

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