A Preliminary Study on Spectral Unmixing for Marine Plastic Debris Surveying

被引：0

作者：

Maravalhas-Silva, Jose ^{[1
]}

Silva, Hugo ^{[1
]}

Lima, Ana Paula ^{[1
]}

Silva, Eduardo ^{[1
,2
]}

机构：

[1] INESCTEC Inst Syst & Comp Engn Technol & Sci, Porto, Portugal

[2] Polytech Inst Porto, ISEP Sch Engn, Porto, Portugal

来源：

OCEANS 2024 - SINGAPORE | 2024年

关键词：

Remote Sensing; Hyperspectral Imaging; Marine Litter; Marine Plastic Debris; Spectral Unmixing; Vertex Component Analysis; Fully Constrained Least Squares;

D O I：

10.1109/OCEANS51537.2024.10682192

中图分类号：

P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

We present a pilot study where spectral unmixing is applied to hyperspectral images captured in a controlled environment with a threefold purpose in mind: validation of our experimental setup, of the data processing pipeline, and of the usage of spectral unmixing algorithms for the aforementioned research avenue. Results from this study show that classical techniques such as VCA and FCLS can be used to distinguish between plastic and nonplastic materials, but struggle significantly to distinguish between spectrally similar plastics, even in the presence of multiple pure pixels.

引用

页数：6

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