Continuum removal based hyperspectral characteristic analysis of leaves of different tree species

DING Li－xia; WANG Zhi－hui; GE Hong－li

doi:10.11833/j.issn.2095-0756.2010.06.001

Volume 27 Issue 6

Dec. 2010

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DING Li－xia, WANG Zhi－hui, GE Hong－li. Continuum removal based hyperspectral characteristic analysis of leaves of different tree species[J]. Journal of Zhejiang A&F University, 2010, 27(6): 809-814. doi: 10.11833/j.issn.2095-0756.2010.06.001

Citation:

DING Li－xia, WANG Zhi－hui, GE Hong－li. Continuum removal based hyperspectral characteristic analysis of leaves of different tree species[J]. Journal of Zhejiang A&F University, 2010, 27(6): 809-814. doi: 10.11833/j.issn.2095-0756.2010.06.001

Continuum removal based hyperspectral characteristic analysis of leaves of different tree species

doi: 10.11833/j.issn.2095-0756.2010.06.001

1.
Zhejiang Provincial Key Laboratory of Carbon Cycling in Forest Ecosystems and Carbon Sequestration，Zhejiang A & F University，Lin’an 311300，Zhejiang，China;
2.
School of Environmental Sciences and Technology，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

More Information

Corresponding author: DING Li－xia
Publish Date: 2010-12-20

Abstract

The development of hyperspectral remote sensing technology enables the precise identification of tree species possible. Because hyperspectral data are characterized by multiple bands，large database and great redundancy，the extraction and selection of the spectral characteristics is a very important process when identifying the tree species with hyperspectral remote sensing technology. The method of continuum removal was used to deal with the original spectral data of four tree species measured by ASD hyperspectral instrument. The curves of the original spectrum and the continuum removal were compared and the bands with greater differences were selected to identify the different tree species. Then the Euclidean distance method was used to test the selective bands identifying different tree species. The results showed that the continuum removal was an effective method of feature band extraction. Eight effective bands were selected with the continuum removal，including 484－493，670－679，971－980，1 162－1 171，1 435－1 444，1 773－ 1 782，1 918－1 927 and 2 455－2 464 nm. They could identify different tree species effectively.［Ch，5 fig. 2 tab. 11 ref.］
- forest management,
- tree species identification,
- hyperspectral,
- continuum removal,
- Euclidean distance

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Continuum removal based hyperspectral characteristic analysis of leaves of different tree species

1. Zhejiang Provincial Key Laboratory of Carbon Cycling in Forest Ecosystems and Carbon Sequestration，Zhejiang A & F University，Lin’an 311300，Zhejiang，China;

2. School of Environmental Sciences and Technology，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Corresponding author: DING Li－xia

Publish Date: 2010-12-20

Key words:

Abstract: The development of hyperspectral remote sensing technology enables the precise identification of tree species possible. Because hyperspectral data are characterized by multiple bands，large database and great redundancy，the extraction and selection of the spectral characteristics is a very important process when identifying the tree species with hyperspectral remote sensing technology. The method of continuum removal was used to deal with the original spectral data of four tree species measured by ASD hyperspectral instrument. The curves of the original spectrum and the continuum removal were compared and the bands with greater differences were selected to identify the different tree species. Then the Euclidean distance method was used to test the selective bands identifying different tree species. The results showed that the continuum removal was an effective method of feature band extraction. Eight effective bands were selected with the continuum removal，including 484－493，670－679，971－980，1 162－1 171，1 435－1 444，1 773－ 1 782，1 918－1 927 and 2 455－2 464 nm. They could identify different tree species effectively.［Ch，5 fig. 2 tab. 11 ref.］

Continuum removal based hyperspectral characteristic analysis of leaves of different tree species

doi: 10.11833/j.issn.2095-0756.2010.06.001

Abstract

References

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通讯作者: 陈斌, bchen63@163.com

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