getScreenPixelRGBValue
Get screen value of specified pixel in image model
Description
Input Arguments
imgmodel
— Image model
scalar imagemodel
object
Image model, specified as a scalar imagemodel
object.
r
— Row coordinate
positive integer | vector of positive integers
Row coordinate of pixel, specified as a positive integer or vector of positive integers.
c
— Column coordinate
positive integer | vector of positive integers
Column coordinate of pixel, specified as a positive integer or vector of positive integers.
Output Arguments
pixval
— Screen pixel value
numeric scalar | numeric vector | numeric array
Pixel value, returned as one of the following.
Input Type | Return Format |
---|---|
p grayscale pixels | p-by-3 numeric array. Each row specifies a pixel. The columns specify the red, green, and blue components of the pixel value. |
p RGB pixels | Numeric row vector of length p*3 . The
first p elements are the red value for each pixel. The next
p elements are the green value for each pixel. The last
p elements are the blue value for each pixel. |
p binary pixels | p-by-3 numeric array. Each row specifies a pixel. The columns specify the red, green, and blue components of the pixel value. |
p indexed pixels | p-by-3 numeric array. Each row specifies a pixel. The columns specify the red, green, and blue components of the pixel value. |
Data Types: double
Version History
Introduced before R2006a
See Also
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