Description Usage Arguments Value Author(s) References Examples
View source: R/screened_poisson_equation.R
Correct inhomogeneous background of image by solving Screened Poisson Equation
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im |
a grayscale image of class cimg |
lamda |
this function corrects inhomogeneous background while preserving image details. lamda controls the trade-off. when lamda is too large, this function acts as an edge detector. |
s |
saturation percentage. this function uses |
range |
this function assumes that the range of pixel values of of an input image is [0,255] by default. you may prefer [0,1]. |
a grayscale image of class cimg
Shota Ochi
Jean-Michel Morel, Ana-Belen Petro, and Catalina Sbert, Screened Poisson Equation for Image Contrast Enhancement, Image Processing On Line, 4 (2014), pp. 16-29. https://doi.org/10.5201/ipol.2014.84
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