DocumentCode
833847
Title
Gradient direction similarity measure
Author
Alkaabi, S. ; Deravi, F.
Volume
39
Issue
23
fYear
2003
Abstract
A new and fast similarity measure for feature point block matching is presented. It is based on the estimation of the gradient direction along which the intensity levels are changing. The algorithm has been evaluated with different types of distortion on real images to demonstrate its robustness
Keywords
computer vision <gradient direction similarity measure>; feature extraction <gradient direction similarity measure>; gradient methods <direction similarity measure>; image matching <gradient direction similarity measure>; motion estimation <gradient direction similarity measure>; changing intensity levels; computer vision; distortion; fast similarity measure; feature point block matching; gradient direction similarity measure; horizontal gradient components; measurement uncertainty; motion estimation; real images; vertical gradient components;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:20031063
Filename
1248956
Link To Document