How to find total number of pixels in a colour image? How to find the resolution of an 2D image?

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How to find total number of pixels in a colour image? How to find the resolution of an 2D image?
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priya h
priya h le 27 Fév 2021
How to find the spatial resolution of a colour image?
Image Analyst
Image Analyst le 27 Fév 2021
I told you in the Answer below. Anyway, I'm now attaching my spatial calibration demo.

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Image Analyst
Image Analyst le 24 Fév 2021
[rows, columns, numColorChannels] = size(rgbImage);
numberOfPixels = rows * columns;
Digital resolution is number of rows and columns.
Spatial resolution in the real world units is the field of view in real world units divided by the number of rows or columns.

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