Geos.715 DIGITAL IMAGE PROCESSING (3 C.H.)
Map, air photos and satellite imageries, characteristics of remote sensing images, introduction to digital image processing techniques, pre-processing: geometric and radiometric corrections, noise removing, image mosaicking, subset creation, image enhancement especially for geological interpretations: contrasts enhancement, spatial filtering, colour composites, resolution merges (data fusion), and principal component analysis, image transformation: band spectral ratioing (NDVI), digital image classification: supervised, unsupervised and hybrid classification of remote sensing data for geological interpretation, accuracy assessment.
Practical exercises on: ERDAS imagine 9.1, ILWIS 3.3.
Pre-requisite: Geol.793 (REMOTE SENSING)
Books Recommended:
- Remote sensing for GIS managers by Stan Aronoff, 2005, ESRI press, Redlands, California.
- Remote sensing Digital image Analysis by John A. Richards and Xiuping Jia, 1999, Springer.
- ILWIS 3.0 Academic, user’s guide, 2001, ITC, The Netherlands.
- ERDAS IMAGINE Tour Guides, 2001, ERDAS, Inc. Atlanta, Georgia.