Document Type

Article

Date

2003

Keywords

Image processing, Automatic image registration, Automated mutal information

Language

English

Disciplines

Computer Sciences

Description/Abstract

Registration is a fundamental operation in image processing to align images taken at different times, from different sensors or from different viewing angles. Automatic image registration procedures are gaining importance to efficiently register large volumes of remote sensing data available these days. In this Letter, we investigate an automated mutual information based registration technique for remote sensing data. Performance of a number of interpolation algorithms to compute mutual information for registration of multi-sensor and multi-resolution Landsat TM, Radarsat SAR and IRS PAN images is evaluated.

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