get.locations: Return coordinates of subset of pixels
In imager: Image Processing Library Based on 'CImg'
get.locations R Documentation
Return coordinates of subset of pixels
Description
Typical use case: you want the coordinates of all pixels with a value above a certain threshold
Usage
get.locations(im, condition)
Arguments
im
the image
condition
a function that takes scalars and returns logicals
Value
coordinates of all pixels such that condition(pixel) == TRUE
Author(s)
Simon Barthelme
Examples
im <- as.cimg(function(x,y) x+y,10,10)
get.locations(im,function(v) v < 4)
get.locations(im,function(v) v^2 + 3*v - 2 < 30)
imager documentation built on May 29, 2024, 1:38 a.m.
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| get.locations | R Documentation |
Return coordinates of subset of pixels
Description
Typical use case: you want the coordinates of all pixels with a value above a certain threshold
Usage
get.locations(im, condition)
Arguments
im |
the image |
condition |
a function that takes scalars and returns logicals |
Value
coordinates of all pixels such that condition(pixel) == TRUE
Author(s)
Simon Barthelme
Examples
im <- as.cimg(function(x,y) x+y,10,10)
get.locations(im,function(v) v < 4)
get.locations(im,function(v) v^2 + 3*v - 2 < 30)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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