期刊
OPTICS EXPRESS
卷 27, 期 3, 页码 2444-2454出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.27.002444
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资金
- National Natural Science Foundation of China [61775163]
- National Instrumentation Program [2013YQ030915]
- Young Elite Scientists Sponsorship Program by CAST [2017QNRC001]
- Director Fund of Qingdao National Laboratory for Marine Science and Technology [QNLM201717]
- China Postdoctoral Science Foundation [2016M601260]
Broadband polarimetric imaging consists of forming an image under spectrally wide illumination after having optimized the polarization state analyzer (PSA) to maximize the target/background discriminability. In previous works, the image sensor was monochrome, and only the intensity contrast was optimized. However, due to its spectrally varying response, the PSA not only changes the light's intensity, but also its color. This color information can serve as a further parameter to improve discrimination. In this paper, we employ a color camera in a broadband Stokes (passive) polarimetric imaging system and take into color difference's contribution to discrimination ability in optimizing the PSA setting. We show through experiments that a significant improvement of discrimination ability over monochrome imaging is obtained, especially when there are multiple objects in the scene. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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