Bi-directional reflectance effects on mangrove classification of IKONOS™ multi-angular images

College

Gokongwei College of Engineering

Department/Unit

Civil Engineering

Document Type

Archival Material/Manuscript

Publication Date

2004

Abstract

Optical signals from an object may vary at different conditions caused by differences in light source and sensor position. Knowledge of these variations is necessary to enable calibration of the satellite images and confirmation of the sun and sensor angles influences of the spectral signals from the objects. With the use high-resolution Ikonos T™ multi-angular images, the bi-directional reflectance effects of mangrove trees were observed when three datasets were compared. The influence of bi-directional reflectance may affect the accuracy of interpreting satellite imagery and obtaining biophysical parameters mangrove and other vegetation by indirect means.

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Disciplines

Civil and Environmental Engineering | Computer Engineering

Keywords

Remote-sensing images; Reflectance; Spectral reflectance

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