The effect of topographic factor in atmospheric correction for hyperspectral data

Tzu Min Hong, Kun Jen Wu, Chi-Kuei Wang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

In this study, two MODTRAN-based software packages (FLAASH and ATCOR-4) were employed to conduct atmospheric correction on a hyperspectral dataset, collected by a Itres CASI-1500 in Southern Taiwan with a spectral range of 367 - 1047 nm and a spectral resolution of 9.6 nm. ATCOR-4 is capable of including topographic effect (such as slope and aspect) in atmospheric correction when a DEM or DSM is provided. The effect of topographic factor was demonstrated by comparing the results obtained from FLAASH and ATCOR-4 with in-situ measurements, using a PSR-1100 spectroradiometer, respectively. The preliminary results showed that ATCOR-4 produced the best result when a smoothed DSM is provided. However the processing time for obtaining such result in significantly longer than FLAASH.

Original languageEnglish
Title of host publication34th Asian Conference on Remote Sensing 2013, ACRS 2013
PublisherAsian Association on Remote Sensing
Pages344-350
Number of pages7
Volume1
ISBN (Print)9781629939100
Publication statusPublished - 2013
Event34th Asian Conference on Remote Sensing 2013, ACRS 2013 - Bali, Indonesia
Duration: 2013 Oct 202013 Oct 24

Other

Other34th Asian Conference on Remote Sensing 2013, ACRS 2013
CountryIndonesia
CityBali
Period13-10-2013-10-24

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Spectral resolution
Software packages
Processing

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications

Cite this

Hong, T. M., Wu, K. J., & Wang, C-K. (2013). The effect of topographic factor in atmospheric correction for hyperspectral data. In 34th Asian Conference on Remote Sensing 2013, ACRS 2013 (Vol. 1, pp. 344-350). Asian Association on Remote Sensing.
Hong, Tzu Min ; Wu, Kun Jen ; Wang, Chi-Kuei. / The effect of topographic factor in atmospheric correction for hyperspectral data. 34th Asian Conference on Remote Sensing 2013, ACRS 2013. Vol. 1 Asian Association on Remote Sensing, 2013. pp. 344-350
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Hong, TM, Wu, KJ & Wang, C-K 2013, The effect of topographic factor in atmospheric correction for hyperspectral data. in 34th Asian Conference on Remote Sensing 2013, ACRS 2013. vol. 1, Asian Association on Remote Sensing, pp. 344-350, 34th Asian Conference on Remote Sensing 2013, ACRS 2013, Bali, Indonesia, 13-10-20.

The effect of topographic factor in atmospheric correction for hyperspectral data. / Hong, Tzu Min; Wu, Kun Jen; Wang, Chi-Kuei.

34th Asian Conference on Remote Sensing 2013, ACRS 2013. Vol. 1 Asian Association on Remote Sensing, 2013. p. 344-350.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - In this study, two MODTRAN-based software packages (FLAASH and ATCOR-4) were employed to conduct atmospheric correction on a hyperspectral dataset, collected by a Itres CASI-1500 in Southern Taiwan with a spectral range of 367 - 1047 nm and a spectral resolution of 9.6 nm. ATCOR-4 is capable of including topographic effect (such as slope and aspect) in atmospheric correction when a DEM or DSM is provided. The effect of topographic factor was demonstrated by comparing the results obtained from FLAASH and ATCOR-4 with in-situ measurements, using a PSR-1100 spectroradiometer, respectively. The preliminary results showed that ATCOR-4 produced the best result when a smoothed DSM is provided. However the processing time for obtaining such result in significantly longer than FLAASH.

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Hong TM, Wu KJ, Wang C-K. The effect of topographic factor in atmospheric correction for hyperspectral data. In 34th Asian Conference on Remote Sensing 2013, ACRS 2013. Vol. 1. Asian Association on Remote Sensing. 2013. p. 344-350