Title
Determining motion fields under non-uniform illumination
Abstract
Two realistic methods based on a generalized conservation equation of image brightness are proposed for the accurate determination of motion fields under non-uniform illumination. The conservation equation includes spatial and temporal derivatives of image brightness, a motion vector and a rate of brightness generation. The term for the brightness generation rate can represent non-stationarity of a brightness pattern during its motion under non-uniform illumination. By introducing an optical model and prior knowledge of non-uniform illumination the conservation equation can be solved. One of the two proposed methods assumes a stationary motion field under spatially non-uniform illumination. The other assumes local constancy of a motion field under temporally non-uniform illumination. The application to artificial and real image sequences confirms the usefulness of the proposed methods.
Year
DOI
Venue
1995
10.1016/0167-8655(94)00094-J
Pattern Recognition Letters
Keywords
Field
DocType
non-uniform illumination,local optimization,motion field,temporal optimization,conservation equation
Computer vision,Motion field,Non uniform illumination,Image processing,Artificial intelligence,Real image,Local search (optimization),Image sequence,Brightness,Mathematics,Motion vector
Journal
Volume
Issue
ISSN
16
3
Pattern Recognition Letters
Citations 
PageRank 
References 
9
0.71
7
Authors
3
Name
Order
Citations
PageRank
Atsushi Nomura1417.61
Hidetoshi Miike26812.05
Kazutoshi Koga3253.33