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
MATLAB Command
You clicked a link that corresponds to this MATLAB command:
Run the command by entering it in the MATLAB Command Window. Web browsers do not support MATLAB commands.
Select a Web Site
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
How to Get Best Site Performance
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Americas
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)