Share Email Print
cover

Proceedings Paper

Recovering affine illumination changes from ray projections in an image pair
Author(s): Yun Zhang; Henry Chu
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

Images taken of a scene at different times are often acquired from different angles under possibly different lighting conditions. Some of the macroscopic illumination changes between a source image and a target image can be captured by an affine illumination model with two parameterts, viz. a factor by which the contrast is changed and the offset of brightness. We propose an algorithm that embeds a photometric recovery in an iterative geometric recovery process. The convergence of this iteration gives a combined recovery of the geometric and photometric distortion.

Paper Details

Date Published: 19 March 2009
PDF: 8 pages
Proc. SPIE 7343, Independent Component Analyses, Wavelets, Neural Networks, Biosystems, and Nanoengineering VII, 734316 (19 March 2009); doi: 10.1117/12.820321
Show Author Affiliations
Yun Zhang, Univ. of Louisiana at Lafayette (United States)
Henry Chu, Univ. of Louisiana at Lafayette (United States)


Published in SPIE Proceedings Vol. 7343:
Independent Component Analyses, Wavelets, Neural Networks, Biosystems, and Nanoengineering VII
Harold H. Szu; F. Jack Agee, Editor(s)

© SPIE. Terms of Use
Back to Top