Volume 35 Issue 7
Jul.  2010
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XU Yuanjin, HU Guangdao, ZHANG Zhenfei. Object Identification of Hyperspectral Image Based on the Spectral Overall Shape and Local Absorption-band Positions[J]. Geomatics and Information Science of Wuhan University, 2010, 35(7): 868-872.
Citation: XU Yuanjin, HU Guangdao, ZHANG Zhenfei. Object Identification of Hyperspectral Image Based on the Spectral Overall Shape and Local Absorption-band Positions[J]. Geomatics and Information Science of Wuhan University, 2010, 35(7): 868-872.

Object Identification of Hyperspectral Image Based on the Spectral Overall Shape and Local Absorption-band Positions

Funds: 中国地质大学地质过程与矿产资源国家重点实验室开放研究基金资助项目(GPMR200718);国家科技支撑计划重点资助项目(2007BA25B04);国家自然科学基金资助项目(40874092)
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  • Received Date: May 14, 2010
  • Revised Date: May 14, 2010
  • Published Date: July 04, 2010
  • To identify objects accurately in hyperspectral imagery,we use the method of cross correlogram spectral matching(CCSM) to acquire the maximal overall offset,and analyse absorption-band positions(corresponding to the same material) to acquire the maximal position offset,then get offset range of absorption-band positions on the basis of the maximal overall offset and the maximal position offset,finally identify objects from spectral overall shape and local absorption-band position within the offset range.A case study was conducted in Pulang porphyry copper deposit,Zhongdian county,Yunnan,China.The results indicate that our methods can get more accurate identification results than the approach which considers spectral overall shape only.

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