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10 October 2020 An optical phase conjugation-based tunable edge enhancer through scattering media
Zhipeng Yu, Zihao Li, Yuchen Song, Hui Hui, Puxiang Lai
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Proceedings Volume 11549, Advanced Optical Imaging Technologies III; 115490I (2020) https://doi.org/10.1117/12.2574168
Event: SPIE/COS Photonics Asia, 2020, Online Only
Abstract
Edge enhancement is fundamental in image processing for recognizing or highlighting image features. Existing methods can only function in free space or transparent media. It remains challenging to achieve edge enhancement in the presence of multiple scattering. In this work, we present an implementation of digital optical phase conjugation to achieve effective edge enhancement through scattering media. The hypothesis is verified through experiments; the performance is promising and can be tuned by adjusting the beam ratio. The method may potentially enrich the interpretation of images obtained from complex environments.
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Zhipeng Yu, Zihao Li, Yuchen Song, Hui Hui, and Puxiang Lai "An optical phase conjugation-based tunable edge enhancer through scattering media", Proc. SPIE 11549, Advanced Optical Imaging Technologies III, 115490I (10 October 2020); https://doi.org/10.1117/12.2574168
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KEYWORDS
Scattering media
Image enhancement
Light scattering
Free space optics
Tissue optics
Free space
Glasses
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