ee.Kernel.laplacian8

Generates a 3x3 Laplacian-8 edge-detection kernel.

UsageReturns
ee.Kernel.laplacian8(magnitude, normalize)Kernel
ArgumentTypeDetails
magnitudeFloat, default: 1

Scale each value by this amount.

normalizeBoolean, default: false

Normalize the kernel values to sum to 1.

Examples

Code Editor (JavaScript)

print('A Laplacian-8 kernel', ee.Kernel.laplacian8());

/**
 * Output weights matrix
 *
 * [1,  1, 1]
 * [1, -8, 1]
 * [1,  1, 1]
 */