Module imageproc::haar [−] [src]

Functions for creating and evaluating Haar-like features.

Structs

A Haar filter whose value on an integral image is the weighted sum of the values of the integral image at the given points.

Sign	Whether the top left region in a Haar filter is counted with positive or negative sign.

draw_haar_filter	Draws the given Haar filter on an image, drawing pixels with a positive sign white and those with a negative sign black.
draw_haar_filter_mut	Draws the given Haar filter on an image in place, drawing pixels with a positive sign white and those with a negative sign black.
enumerate_haar_filters	Returns a vector of all valid Haar filters for an image with given width and height.
number_of_haar_filters	Returns the number of distinct Haar filters for an image of the given dimensions. Includes positive and negative, two and three region, vertical and horizontal filters, as well as positive and negative four region filters.