Performs non-maximum suppression on the given edge data. Es is a matrix containing the edge strength (the length of the gradient), and Eo is the edge normal orientation (the direction of the gradient).
Performs non-maximum suppression and hysteresis thresholdong, using low and high as thresholds.
This function is designed to be used as part of the Canny edge detection, and not to be used in general. So if you use this function: Beware...
See also: edge.
Package: image