Carbon Content Detection of Marine Sediments Based on Multispectral Fusion

Xue-ying LI; Zong-min LI; Guang-li HOU; Hui-min QIU; Hong-min LÜ; Guang-yuan CHEN; Ping-ping FAN

doi:10.3964/j.issn.1000-0593(2021)09-2898-06

Spectroscopy and Spectral Analysis, Volume. 41, Issue 9, 2898(2021)

Carbon Content Detection of Marine Sediments Based on Multispectral Fusion

Xue-ying LI^1、*, Zong-min LI^{2、2; *;}, Guang-li HOU^3、3;, Hui-min QIU^3、3;, Hong-min LÜ^3、3;, Guang-yuan CHEN^4、4;, and Ping-ping FAN^{3、3; *;}

Author Affiliations

¹1. School of Geosciences, China University of Petroleum (East China), Qingdao 266580, China

²2. College of Computer Science and Technology, China University of Petroleum (East China), Qingdao 266580, China

³3. Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences), Qingdao 266061, China

⁴4. College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China

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Figures & Tables(9)

Fig. 1. The spectra 1 and spectra 2 of sediment samples

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Fig. 2. Fitting results of multispectral fusion in 560~790 nm range-PLSR

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Fig. 2. Fitting results of multispectral fusion in 560~790 nm range-BPNN

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Table 1. The statistical results of carbon (g·kg^-1) content in soil samples
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Table 1. The statistical results of carbon (g·kg^-1) content in soil samples
沉积物样品样品个数最大值最小值平均值标准差
S1 120 7.404 0.860 2.077 0.892
S2 41 9.487 5.177 7.001 0.853
S1+S2 161 9.487 0.860 3.331 2.320

Table 2. Model evaluation of carbon content detection in marine sediments-PLSR
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Table 2. Model evaluation of carbon content detection in marine sediments-PLSR
光谱数据建模集检验集
$R_{c}^{2}$ RMSEC $R_{p}^{2}$ RMSEP RPD
光谱仪1 1.000 0.039 0.786 1.018 2.032
光谱仪2 0.688 1.363 0.575 1.433 1.444
多融合光谱 0.880 0.845 0.753 1.052 1.968

Table 3. Model evaluation of carbon content detection in marine sediments-BPNN
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Table 3. Model evaluation of carbon content detection in marine sediments-BPNN
光谱数据建模集检验集
$R_{c}^{2}$ RMSEC $R_{p}^{2}$ RMSEP RPD
光谱仪1 0.961 0.492 0.809 0.936 2.212
光谱仪2 0.894 0.814 0.690 1.176 1.760
多融合光谱 0.944 0.596 0.814 0.926 2.235

Table 4. Model evaluation of carbon content detections in marine sediments for various spectral bands

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Table 4. Model evaluation of carbon content detections in marine sediments for various spectral bands

光谱波段 /nm	建模集		检验集
光谱波段 /nm	$R_{c}^{2}$	RMSEC	$R_{p}^{2}$	RMSEP	RPD
180~280	0.111	2.302	0.190	1.901	1.088
280~380	0.221	2.155	0.312	1.755	1.179
380~480	0.444	1.820	0.442	1.534	1.349
480~580	0.555	1.628	0.486	1.510	1.370
580~680	0.806	1.075	0.718	1.101	1.879
680~780	0.827	1.014	0.781	0.972	2.129
780~880	1.000	0.011	0.683	1.184	1.748
880~980	0.546	1.646	0.512	1.440	1.437
980~1 100	0.017	2.420	0.058	1.992	1.039

Table 5. Model evaluation of carbon content detection in marine sediments (from 530~780 nm to 630~780 nm)

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Table 5. Model evaluation of carbon content detection in marine sediments (from 530~780 nm to 630~780 nm)

光谱波段 /nm	建模集		检验集
光谱波段 /nm	$R_{c}^{2}$	RMSEC	$R_{p}^{2}$	RMSEP	RPD
530~780	1.000	0.046	0.833	0.860	2.407
540~780	0.948	0.556	0.862	0.774	2.672
550~780	0.950	0.547	0.867	0.756	2.736
560~780	0.949	0.552	0.868	0.751	2.754
570~780	0.944	0.579	0.855	0.794	2.607
580~780	0.943	0.585	0.854	0.796	2.601
590~780	0.942	0.590	0.852	0.802	2.580
600~780	0.938	0.607	0.851	0.804	2.573
610~780	0.937	0.614	0.845	0.819	2.527
620~780	0.934	0.627	0.835	0.845	2.448
630~780	0.930	0.648	0.828	0.868	2.385

Table 6. Model evaluation of carbon content detection in marine sediments (from 560~730 nm to 660~830 nm)

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Table 6. Model evaluation of carbon content detection in marine sediments (from 560~730 nm to 660~830 nm)

光谱波段 /nm	建模集		检验集
光谱波段 /nm	$R_{c}^{2}$	RMSEC	$R_{p}^{2}$	RMSEP	RPD
560~730	0.940	0.599	0.862	0.778	2.660
560~740	0.940	0.597	0.874	0.739	2.799
560~750	0.993	0.203	0.870	0.742	2.789
560~760	0.995	0.179	0.855	0.788	2.625
560~770	0.948	0.558	0.862	0.767	2.697
560~780	0.949	0.552	0.868	0.751	2.754
560~790	0.949	0.550	0.874	0.733	2.823
560~800	0.951	0.542	0.869	0.751	2.757
560~810	0.955	0.518	0.860	0.778	2.661
560~820	0.959	0.494	0.855	0.785	2.637
560~830	0.936	0.616	0.834	0.846	2.447

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Xue-ying LI, Zong-min LI, Guang-li HOU, Hui-min QIU, Hong-min LÜ, Guang-yuan CHEN, Ping-ping FAN. Carbon Content Detection of Marine Sediments Based on Multispectral Fusion[J]. Spectroscopy and Spectral Analysis, 2021, 41(9): 2898

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Paper Information

Category: Research Articles

Received: Jun. 5, 2020

Accepted: --

Published Online: Oct. 29, 2021

The Author Email: LI Xue-ying (412973984@qq.com)

DOI:10.3964/j.issn.1000-0593(2021)09-2898-06

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. The statistical results of carbon (g·kg-1) content in soil samples

Table 1. The statistical results of carbon (g·kg-1) content in soil samples

Table 2. Model evaluation of carbon content detection in marine sediments-PLSR

Table 2. Model evaluation of carbon content detection in marine sediments-PLSR

Table 3. Model evaluation of carbon content detection in marine sediments-BPNN

Table 3. Model evaluation of carbon content detection in marine sediments-BPNN

Table 4. Model evaluation of carbon content detections in marine sediments for various spectral bands

Table 4. Model evaluation of carbon content detections in marine sediments for various spectral bands

Table 5. Model evaluation of carbon content detection in marine sediments (from 530~780 nm to 630~780 nm)

Table 5. Model evaluation of carbon content detection in marine sediments (from 530~780 nm to 630~780 nm)

Table 6. Model evaluation of carbon content detection in marine sediments (from 560~730 nm to 660~830 nm)

Table 6. Model evaluation of carbon content detection in marine sediments (from 560~730 nm to 660~830 nm)

Table 1. The statistical results of carbon (g·kg^-1) content in soil samples

Table 1. The statistical results of carbon (g·kg^-1) content in soil samples