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reference_detectLabelEdges.md

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detectLabelEdges

Takes a labelmap and returns an image where all pixels on label edges are set to 1 and all other pixels to 0.

Categories: Detection, Filter, Labels

detectLabelEdges often follows after

Usage in ImageJ macro

Ext.CLIJ2_detectLabelEdges(Image label_map, Image edge_image_destination);

Usage in object oriented programming languages

Java 
// init CLIJ and GPU
import net.haesleinhuepf.clij2.CLIJ2;
import net.haesleinhuepf.clij.clearcl.ClearCLBuffer;
CLIJ2 clij2 = CLIJ2.getInstance();

// get input parameters
ClearCLBuffer label_map = clij2.push(label_mapImagePlus);
edge_image_destination = clij2.create(label_map);


// Execute operation on GPU
clij2.detectLabelEdges(label_map, edge_image_destination);

// show result
edge_image_destinationImagePlus = clij2.pull(edge_image_destination);
edge_image_destinationImagePlus.show();

// cleanup memory on GPU
clij2.release(label_map);
clij2.release(edge_image_destination);
Matlab 
% init CLIJ and GPU
clij2 = init_clatlab();

% get input parameters
label_map = clij2.pushMat(label_map_matrix);
edge_image_destination = clij2.create(label_map);


% Execute operation on GPU
clij2.detectLabelEdges(label_map, edge_image_destination);

% show result
edge_image_destination = clij2.pullMat(edge_image_destination)

% cleanup memory on GPU
clij2.release(label_map);
clij2.release(edge_image_destination);
Icy JavaScript 
// init CLIJ and GPU
importClass(net.haesleinhuepf.clicy.CLICY);
importClass(Packages.icy.main.Icy);

clij2 = CLICY.getInstance();


// get input parameters
label_map_sequence = getSequence();
label_map = clij2.pushSequence(label_map_sequence);
edge_image_destination = clij2.create(label_map);


// Execute operation on GPU
clij2.detectLabelEdges(label_map, edge_image_destination);

// show result
edge_image_destination_sequence = clij2.pullSequence(edge_image_destination)
Icy.addSequence(edge_image_destination_sequence);
// cleanup memory on GPU
clij2.release(label_map);
clij2.release(edge_image_destination);

Example notebooks

labelmap_voronoi

Example scripts

labelmap_voronoi.ijm

Back to CLIJ2 reference Back to CLIJ2 documentation

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