GPU accelerated image processing for everyone
Applies a gamma correction to an image.
Therefore, all pixels x of the Image X are normalized and the power to gamma g is computed, before normlization is reversed (^ is the power operator):f(x) = (x / max(X)) ^ gamma * max(X)
Category: Filter
Availability: Available in Fiji by activating the update sites clij and clij2. This function is part of clijx_-0.30.1.21.jar.
Ext.CLIJx_gammaCorrection(Image input, Image destination, Number gamma);
// init CLIJ and GPU import net.haesleinhuepf.clijx.CLIJx; import net.haesleinhuepf.clij.clearcl.ClearCLBuffer; CLIJx clijx = CLIJx.getInstance(); // get input parameters ClearCLBuffer input = clijx.push(inputImagePlus); destination = clijx.create(input); float gamma = 1.0;
// Execute operation on GPU clijx.gammaCorrection(input, destination, gamma);
// show result destinationImagePlus = clijx.pull(destination); destinationImagePlus.show(); // cleanup memory on GPU clijx.release(input); clijx.release(destination);
% init CLIJ and GPU clijx = init_clatlabx(); % get input parameters input = clijx.pushMat(input_matrix); destination = clijx.create(input); gamma = 1.0;
% Execute operation on GPU clijx.gammaCorrection(input, destination, gamma);
% show result destination = clijx.pullMat(destination) % cleanup memory on GPU clijx.release(input); clijx.release(destination);
import pyclesperanto_prototype as cle cle.gamma_correction(input, destination, gamma)