See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/262301549 Extracting spectral contrast in Landsat Thematic Mapper image data using selective principal component analysis Photogramm Eng Remote Sens ARTICLE in PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING · JANUARY 1989 Impact Factor: 1.61 CITATIONS READS 189 279 2 AUTHORS: Pat S Chavez, Jr Andy Yaw Kwarteng Northern Arizona University (retired USGS) Sultan Qaboos University 79 PUBLICATIONS 3,404 CITATIONS 115 PUBLICATIONS 524 CITATIONS SEE PROFILE SEE PROFILE Available from: Andy Yaw Kwarteng Retrieved on: 12 March 2016