Table Of Contents

detect-edges

Synopsis

detect-edges <input> <output> [options]

Description

Convolves the input image with an edge detection operator.

Arguments

input

Input greyscale image.

output

Output edge map.

Command options

-sigma <float>

Standard deviation of Gaussian blurring filter. (default: 0)

-central

Use central differences. (default)

-sobel

Use Sobel operator.

-prewitt

Use Prewitt operator.

-laplace

Use Laplace operator.

-differential

Use differential edge detection.

Standard options

-v, -verbose [n]

Increase/Set verbosity of output messages. (default: 0)

-debug [level]

Increase/Set debug level for output of intermediate results. (default: 0)

-version [major.minor]

Print version and exit or set version to emulate.

-revision

Print revision (or version) number only and exit.

-h, -help

Print help and exit.