in an image of size 256 by 256,what is the command to retrieve the value of the pixel (3,4)

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Sapam Jaya 2013-9-10

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is there any command available to get the pixel value of (3,4) from an image of size 256 by 256 ,so that i need not look from the variable editor window

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Jos (10584) 2013-9-10

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在 MATLAB Online 中打开

PixelValue = ImageArray(3,4)

or if your image is actually having the size 256x256x3

PixelValueRGB = ImageArray(3,4,:)

which will give you the RGB components

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Image Analyst 2013-9-10

That's how I do it, though there is also the impixel() function.

Sapam Jaya 2013-9-10

i have taken the cameraman.tif image .when i give the above command error is showing as "??? Undefined function or method 'ImageArray' for input arguments of type 'double'."

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