Options
Title
Verfahren zur Bildauswertung
Date Issued
1998
Author(s)
Korn, A.
Patent No
1989-3913620
Abstract
The invention relates to a process for the evaluation of images produced by a video camera or a TV picture, said evaluation performed by an evaluation device by means of analysis of the directions of the greyscale gradients, whereby stored image patterns, e.g. textile patterns or vehicles which contain the image to be evaluated, whereby the greyscale gradients of the image are normalized by determining the frequency of the gradient angular value in per cent in relation to the angular value, e.g. in a table, which performs the cross-correlation using the histogram of the stored image pattern, increments the angular value of the image patterns by 1 or any other value (modulo 360) and cross-correlates the new histogram with a pattern, this process being repeated 360 times or as often as necessary, the image being defined with the highest agreement with the cross-correlation.
Language
de
Institute
Patenprio
DE 1989-3913620 A: 19890425