which type of image conversion have low occupy the CPU & Memory ? gray 2 Lab or ?

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Selva Karna
Selva Karna 2024-2-20
评论： Image Analyst 2024-2-21
which type of image conversion have low occupy the CPU & Memory ? gray 2 Lab or ?

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Image Analyst
Image Analyst 2024-2-20
Not sure why you're asking. How big are your images? For normal sized images I wouldn't worry about it. I'd just use rgb2lab to convert RGB images into LAB images. For a gray image there is no A and B image and the L image is the same as the gray image.
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Selva Karna
Selva Karna 2024-2-21
Hi Image Analyst ,
Thank you for answering, My Question : which image conversion from gray to Color conversion have taken low CPU usage ?
Image Analyst
Image Analyst 2024-2-21
To turn a gray scale image into a color RGB image you can use
rgbImage = cat(3, grayImage, grayImage, grayImage);
or, if you have a colormap you can use ind2rgb
rgbImage = ind2rgb(grayImage, yourColorMap);
What is your concern about low CPU usage?

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