How to count the number of pixels in an hsv image

I have converted a RGB image into a HSV image and segmented the HSV image into three horizontal regions.How to count the no of pixels in each segment

Answer 1

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To count the number of pixels in each of the three horizontal segments of an already segmented HSV image in MATLAB, you can directly use the dimensions of the image and the segmentation logic. Assuming the image has been divided into three horizontal regions, the pixel count for each segment can be determined by calculating the number of elements in any channel of that segment.

For each segment which you have created, you can use the 'numel' function to count the number of pixels. For more information, please refer to the following MATLAB Answers post, where 'numel' is used to compute pixel counts in specific regions: https://in.mathworks.com/matlabcentral/answers/350623-how-to-compute-number-of-pixels-in-images.