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Wavelength-sensitive-function controlled reflectance reconstruction
Tian JD(田建东); Tang YD(唐延东)
作者部门机器人学研究室
发表期刊OPTICS LETTERS
ISSN0146-9592
2013
卷号38期号:15页码:2818-2820
收录类别SCI ; EI
EI收录号20133316607310
WOS记录号WOS:000322576200056
产权排序1
资助机构National Natural Science Foundation of China [61102116]
摘要Spectral reflectance is defined as the "fingerprint" of an object and is illumination invariant. It has many applications in color reproduction, imaging, computer vision, and computer graphics. In previous reflectance reconstruction methods, spectral reflectance has been treated equally over the whole wavelength. However, human eyes or sensors in an imaging device usually have different weights over different wavelengths. We propose a novel method to reconstruct reflectance, considering a wavelength-sensitive function (WSF) that is constructed from sensor-sensitive functions (or color matching functions). Our main idea is to achieve more accurate reconstruction at wavelengths where sensors have high sensitivities. This more accurate reconstruction can achieve better imaging or color reproduction performance. In our method, we generate a matrix through the Hadamard product of the reflectance matrix and the WSF matrix. We then obtain reconstructed reflectance by applying the singular value decomposition on the generated matrix. The experimental results show that our method can reduce 47% mean-square error and 55% Lab error compared with the classical principal component analysis method. (C) 2013 Optical Society of America
语种英语
WOS标题词Science & Technology ; Physical Sciences
WOS类目Optics
关键词[WOS]SPECTRAL-REFLECTANCE ; PRINCIPAL COMPONENTS ; TRISTIMULUS VALUES ; LINEAR-MODELS ; RECOVERY ; COLORS
WOS研究方向Optics
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/12569
专题机器人学研究室
通讯作者Tang YD(唐延东)
作者单位State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
推荐引用方式
GB/T 7714
Tian JD,Tang YD. Wavelength-sensitive-function controlled reflectance reconstruction[J]. OPTICS LETTERS,2013,38(15):2818-2820.
APA Tian JD,&Tang YD.(2013).Wavelength-sensitive-function controlled reflectance reconstruction.OPTICS LETTERS,38(15),2818-2820.
MLA Tian JD,et al."Wavelength-sensitive-function controlled reflectance reconstruction".OPTICS LETTERS 38.15(2013):2818-2820.
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