WHY IN GRAY IMAGE HAVE RGB??
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mohd akmal masud on 16 Apr 2022
I have image below as gray image. The index value (439) indicate as gray level. But what I dont understand is, why the RGB value on it image?
Because as I know this is gray image.
The set of my images as attached.
Anyone can help me to explained to me?
Image Analyst on 16 Apr 2022
It's an RGB image. It's just that the red channel, the green channel, and the blue channel are all the same so it appears as gray scale. You can convert it to grayscale by taking any one of the color channels:
grayImage = rgbImage(:, :, 1);