Analysis on Spectrum Feature for Water Content of Phragmites Reed Leaf

Hou Yanjun; Dong Linlin

doi:10.3788/LOP202158.0330005

Journals >Laser & Optoelectronics Progress >Volume 58 >Issue 3 >Page 3300051 > Article

Laser & Optoelectronics Progress
Vol. 58, Issue 3, 3300051 (2021)

Analysis on Spectrum Feature for Water Content of Phragmites Reed Leaf

Hou Yanjun^* and Dong Linlin

Author Affiliations

Department of Geography, Xinzhou Teachers University, Xinzhou , Shanxi 034000, China

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DOI: 10.3788/LOP202158.0330005 Cite this Article Set citation alerts

Hou Yanjun, Dong Linlin. Analysis on Spectrum Feature for Water Content of Phragmites Reed Leaf[J]. Laser & Optoelectronics Progress, 2021, 58(3): 3300051 Copy Citation Text

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Effects of different differential window scales on first derivative spectral response characteristics of reed leaves. (a) ω=5；(b) ω=10； (c) ω=15； (d) ω=20

Fig. 1. Effects of different differential window scales on first derivative spectral response characteristics of reed leaves. (a)

ω

=5；(b)

ω

=10； (c)

ω

=15； (d)

ω

=20

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Effects of different differential window scales on correlation coefficient of reed leaf first derivative spectra and water content. (a) ω=5； (b) ω=10； (c) ω=15； (d) ω=20

Fig. 2. Effects of different differential window scales on correlation coefficient of reed leaf first derivative spectra and water content. (a)

ω

=5； (b)

ω

=10； (c)

ω

=15； (d)

ω

=20

Download full size

Fig. 3. Effects of different differential window scales on the correlation coefficients of characteristic parameters. (a) Before smoothing; (b) after smoothing

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Fig. 4. Effects of different differential window scales on the first derivative spectral response characteristics of reed leaves after smoothing. (a)

ω

=5； (b)

ω

=10； (c)

ω

=15； (d)

ω

=20

Hou Yanjun, Dong Linlin. Analysis on Spectrum Feature for Water Content of Phragmites Reed Leaf[J]. Laser & Optoelectronics Progress, 2021, 58(3): 3300051

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