Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 1 of 1
Full-Text Articles in Entire DC Network
A Comparison Of Change Detection Methods In An Urban Environment Using Landsat Tm And Etm+ Satellite Imagery: A Multi-Temporal, Multi-Spectral Analysis Of Gwinnett County, Ga 1991-2000, Paul Alrik Digirolamo
A Comparison Of Change Detection Methods In An Urban Environment Using Landsat Tm And Etm+ Satellite Imagery: A Multi-Temporal, Multi-Spectral Analysis Of Gwinnett County, Ga 1991-2000, Paul Alrik Digirolamo
Anthropology Theses
Land cover change detection in urban areas provides valuable data on loss of forest and agricultural land to residential and commercial development. Using Landsat 5 Thematic Mapper (1991) and Landsat 7 ETM+ (2000) imagery of Gwinnett County, GA, change images were obtained using image differencing of Normalized Difference Vegetation Index (NDVI), principal components analysis (PCA), and Tasseled Cap-transformed images. Ground truthing and accuracy assessment determined that land cover change detection using the NDVI and Tasseled Cap image transformation methods performed best in the study area, while PCA performed the worst of the three methods assessed. Analyses on vegetative and vegetation …