Module imageproc::gradients

Functions for computing gradients of image intensities.

Statics

HORIZONTAL_PREWITT	Prewitt filter for detecting horizontal gradients.
HORIZONTAL_SCHARR	Scharr filter for detecting horizontal gradients.
HORIZONTAL_SOBEL	Sobel filter for detecting horizontal gradients.
VERTICAL_PREWITT	Prewitt filter for detecting vertical gradients.
VERTICAL_SCHARR	Scharr filter for detecting vertical gradients.
VERTICAL_SOBEL	Sobel filter for detecting vertical gradients.

Functions

horizontal_prewitt	Convolves an image with the HORIZONTAL_PREWITT kernel to detect horizontal gradients.
horizontal_scharr	Convolves an image with the HORIZONTAL_SCHARR kernel to detect horizontal gradients.
horizontal_sobel	Convolves an image with the HORIZONTAL_SOBEL kernel to detect horizontal gradients.
prewitt_gradients	Returns the magnitudes of gradients in an image using Prewitt filters.
sobel_gradient_map	Computes per-channel gradients using Sobel filters and calls f to compute each output pixel.
sobel_gradients	Returns the magnitudes of gradients in an image using Sobel filters.
vertical_prewitt	Convolves an image with the VERTICAL_PREWITT kernel to detect vertical gradients.
vertical_scharr	Convolves an image with the VERTICAL_SCHARR kernel to detect vertical gradients.
vertical_sobel	Convolves an image with the VERTICAL_SOBEL kernel to detect vertical gradients.