What does imsize = width * height means?

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Belle Kua
Belle Kua 2017 年 2 月 27 日
回答済み: Walter Roberson 2017 年 2 月 27 日
Does it mean the image size can be obtained by multiplying the height and width? Will it get a matrix and/or a 2D image?
Since the matlab line above this is [height,width,~] = size(im); And the ~ variable means the dimensions of an image. Correct me if I am wrong. Thanks!

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Walter Roberson
Walter Roberson 2017 年 2 月 27 日
imsize = width * height would get you a scalar telling you how many elements there are in a 2D subset of the im array. It will not in itself generate a matrix -- just calculate the memory requirements for a matrix.

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