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Sharpening the VNIR-SWIR-TIR Bands of the WIS of Tiangong-2 for Mapping Land Use and Land Cover

  • Qingsheng Liu
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 541)

Abstract

Land use and land cover maps derived from satellite remote sensing imagery are important to support landscape ecology and natural resource protecting and planning, especially over large areas. The classification information resulted from combination of the visible and near infrared bands (VNIR), shortwave infrared bands (SWIR) and thermal infrared bands (TIR) should be better than those obtained using the VNIR, SWIR and TIR images separately. Nonetheless, assessment on improvement for mapping land use and land cover based on the combination of the VNIR, SWIR and TIR imagery remain scarce. This paper evaluates the random forest classification results from four combinations from the VNIR, SWIR and TIR of the Wide-band Imaging Spectrometer onboard the Tiangong-2. The result showed that combination of fourteen VNIR bands with two TIR bands had produced the best result (overall accuracy (OA) = 84.29%), followed by the combination of fourteen VNIR bands with two SWIR bands (84.13%), then the combination of fourteen VNIR bands and two SWIR bands and two TIR bands (83.73%). Only fourteen VNIR bands had produced the worst classification result (83.5%).

Keywords

Tiangong-2 VNIR SWIR TIR Gram-Schmidt sharpening Random forest 

Notes

Acknowledgment

This research work was jointly financially supported by the National Natural Science Foundation of China (Project No.41671422, 41661144030). Thanks to China Manned Space Engineering for providing the Tiangong-2 space science and application data products.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of SciencesBeijingChina

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