Spectral-Spatial MODIS Image Analysis Using Swarm Intelligence Algorithms and Region Based Segmentation for Flood Assessment

  • J. Senthilnath
  • H. Vikram Shenoy
  • S. N. Omkar
  • V. Mani
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 202)

Abstract

This paper discusses an approach for river mapping and flood evaluation based on multi-temporal time-series analysis of satellite images utilizing pixel spectral information for image clustering and region based segmentation for extracting water covered regions. MODIS satellite images are analyzed at two stages: before flood and during flood. Multi-temporal MODIS images are processed in two steps. In the first step, clustering algorithms such as Genetic Algorithm (GA) and Particle Swarm Optimization (PSO) are used to distinguish the water regions from the non-water based on spectral information. These algorithms are chosen since they are quite efficient in solving multi-modal optimization problems. These classified images are then segmented using spatial features of the water region to extract the river. From the results obtained, we evaluate the performance of the methods and conclude that incorporating region based image segmentation along with clustering algorithms provides accurate and reliable approach for the extraction of water covered region.

Keywords

MODIS image Flood assessment Genetic algorithm Particle swarm optimization Shape index Density index 

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Copyright information

© Springer India 2013

Authors and Affiliations

  • J. Senthilnath
    • 1
  • H. Vikram Shenoy
    • 2
  • S. N. Omkar
    • 1
  • V. Mani
    • 1
  1. 1.Department of Aerospace EngineeringIndian Institute of ScienceBangaloreIndia
  2. 2.Department of Electronics and Communication EngineeringNational Institute of Technology KarnatakaSurathkalIndia

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