gee_segmentation_n_patches.js

// GMeans Segmentation
var seg = ee.Algorithms.Image.Segmentation.GMeans(smooth.gt(demand_threshold), 3, 50, 10);
Map.addLayer(seg.randomVisualizer(), {opacity:0.5}, 'GMeans Segmentation');
// SNIC Segmentation
var snic = ee.Algorithms.Image.Segmentation.SNIC(smooth.gt(demand_threshold), 30, 0, 8, 300);
Map.addLayer(snic.randomVisualizer(), {opacity:0.5}, 'SNIC Segmentation');

// Uniquely label the patches and visualize.
var patchid = smooth.gt(demand_threshold)
                    .connectedComponents(ee.Kernel.plus(1), 256);
Map.addLayer(patchid.randomVisualizer(), {opacity:0.5}, 'Connected Patches');