Performance Evaluation and Comparison of Modified Spectral Mixture Analysis Method for Different Images of Landsat Series Satellites

Xiaodong Huang, Wenkai Liu, Yuping Han, Chunying Wang, Han Wang and Sai Hu
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Xiaodong Huang: School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo 454000, China
Wenkai Liu: School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo 454000, China
Yuping Han: The Yellow River Institute of Science, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
Chunying Wang: The Yellow River Institute of Science, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
Han Wang: School of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
Sai Hu: School of Environmental Science and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China

Sustainability, 2019, vol. 11, issue 22, 1-18

Abstract: Urban impervious surface is considered one of main factors affecting urban heat island and urban waterlogging. It is commonly extracted utilizing the original linear spectral mixture analysis (LSMA) model. However, due to the deficiencies of this method, many improvements and modifications have been proposed. In this paper, a modified dynamic endmember linear spectral mixture analysis (DELSMA) model was introduced and tested in Zhengzhou, China, using different images of Landsat series satellites. The accuracy and performance of DELSMA model was evaluated in terms of R M S E , r and R 2 . Results show that (1) the DELSMA model performed equally well for Landsat-5 Thematic Mapper (TM) and Landsat-7 Enhanced Thematic Mapper (ETM+) images, and obtained better accuracy by using Landsat-8 Operational Land Imager (OLI) than Landsat TM/ETM+; (2) the DELSMA model achieved a better performance than the original LSMA model consistently, using images of Landsat from different sensors. Based exclusively on the overall accuracy reports, the DELSMA model proved to be a more efficient method for extracting impervious surface. Our study will provide a reliable method of impervious surface estimation for the urban planner and management in monitoring urban expansion, revealing urban heat island, and estimating urban surface runoff, using time-series Landsat imagery.

Keywords: urban impervious surface; dynamic endmember linear spectral mixture analysis; performance evaluation; Landsat imagery (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2019
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