Landslide detection with multi-dimensional histogram equalization for multispectral remotely sensed imagery

Cheng Feng Lin, Hsuan Ren

研究成果: 書貢獻/報告類型會議論文篇章同行評審

摘要

Landslides are serious natural hazards. They usually cause significant properties damage and sometimes also fatalities. For reconstruction and rescue purposes, landslide detection is very important. Normalized Difference Vegetation Index (NDVI) is widely used for this purpose. If NDVI significantly decreases within a short period, that area will be considered as landslide candidate. However, remote sensing images always contain atmospheric effects which affect the NDVI estimation. In this study, we propose a multi-dimensional histogram equalization algorithm as a pre-process step. It modifies multispectral images collected under different atmospheric conditions to have similar spectrum for the same land cover. A set of SPOT images is adopted for experiments and preliminary results show the proposed method can reduce the misclassification rate.

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主出版物標題33rd Asian Conference on Remote Sensing 2012, ACRS 2012
頁面1583-1589
頁數7
出版狀態已出版 - 2012
事件33rd Asian Conference on Remote Sensing 2012, ACRS 2012 - Pattaya, Thailand
持續時間: 26 11月 201230 11月 2012

出版系列

名字33rd Asian Conference on Remote Sensing 2012, ACRS 2012
2

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???event.eventtypes.event.conference???33rd Asian Conference on Remote Sensing 2012, ACRS 2012
國家/地區Thailand
城市Pattaya
期間26/11/1230/11/12

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