Incorrect rgb values from image matrix

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p
p 2012-8-21
I read an truecolor image (rgb) with size 1200x1600x3 in matlab.Using imtool(image), i see for example that pixel (620,250) corresponds to RGB values=[172,174,96] and i have checked from bitmap that this is the right.When i call image(620,250,1:3) i take as answer (151,158,151).I take wrong rgb values for every pixel exept from pixel (1,1) and pixel (1200,1600).what's the wrong????? Thanks in advance

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回答（1 个）

Titus Edelhofer
Titus Edelhofer 2012-8-21
Hi,
you will need to access image(250, 620, :) to see the RGB values of pixel (620, 250). You see this, when you move the mouse across you image that the row corresponds to y and the column to x.
Titus

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