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Questions tagged [computer-graphics]

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Relation between ppi and screen(icon) size? [closed]

We know that , generally greater the ppi, the greater the spatial resolution of an image and hence quality But why do the size of icons keeps on decreasing as we change display settings of our ...
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6 answers
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Number of dimensions? Color image vs gray scale image? Colour video vs gray scale video? Especially in the context of MATLAB

I am very confused as I had a debate with my buddy regarding color (RGB) images. He insisted that color images are two-dimensional, but when I personally try myself to read a color image into MATLAB, ...
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