Multi-spectral Imaging Using LED Illuminations

被引：0

作者：

Li, Hong-ning ^{[1
]}

Feng, Jie ^{[1
]}

Yang, Wei-ping ^{[1
]}

Wang, Liang ^{[1
]}

Xu, Hai-bing ^{[1
]}

Cao, Peng-fei ^{[1
]}

Duan, Jian-jun ^{[1
]}

机构：

[1] Yunnan Normal Univ, Sch Phys & Elect, Kunming City 650092, Yunnan Province, Peoples R China

来源：

2012 5TH INTERNATIONAL CONGRESS ON IMAGE AND SIGNAL PROCESSING (CISP) | 2012年

关键词：

multi-spectra imaging; reflectance reconstruction; image based relight; spectrum-based recognition; REFLECTANCE;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present a multi-spectral imaging method, using five types of LED(Light Emitting Diode) light compensated with a tungsten light as the active illuminants, adapting a color camera to sample the spectral image. The imaging model of the multi-spectral imaging system is discussed, and the reflectance is reconstructed using the imaging system matrix derived from the imaging model. The imaging method is simple, low cost and requires no special equipment. The imaging accuracy and stability of the spectral reflectance reconstruction algorithm are discussed through three cases of multi-spectral imaging the Macbeth color checker, a color picture and a leaf infected with powdery mildew disease. It shows that the multi-spectral imaging system can be applied in a variety fields.

引用

页码：538 / 542

页数：5

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