Why Red, Green, Blue channels of image separetely are grayscaled (Matlab)?

 Answer

When an image is loaded into MATLAB, it is usually stored as a matrix of values representing the intensities of the pixels in the image. For a color image, this matrix is usually three-dimensional, with one dimension for each color channel (red, green, and blue).

To convert a color image to grayscale, one common approach is to take a weighted average of the red, green, and blue channels, using coefficients that reflect the relative importance of each color channel in human perception.

In MATLAB, the rgb2gray function uses the formula 0.2989 * R + 0.5870 * G + 0.1140 * B to convert a color image to grayscale, where R, G, and B are the red, green, and blue channels of the image, respectively. These coefficients

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