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Correlated photon pairs, carrying strong quantum correlations, have been harnessed to bring quantum advantages to various fields from biological imaging to range finding. Such inherent non-classical properties support extracting more valid…

Quantum Physics · Physics 2020-06-18 Zhan-Ming Li , Shi-Bao Wu , Jun Gao , Heng Zhou , Zeng-Quan Yan , Ruo-Jing Ren , Si-Yuan Yin , Xian-Min Jin

Image decomposition offers deep insights into the imaging factors of visual data and significantly enhances various advanced computer vision tasks. In this work, we introduce a novel approach to low-light image enhancement based on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Xingxing Yang , Jie Chen , Zaifeng Yang

Absence of nearby light sources while capturing an image will degrade the visibility and quality of the captured image, making computer vision tasks difficult. In this paper, a color-wise attention network (CWAN) is proposed for low-light…

Image and Video Processing · Electrical Eng. & Systems 2020-05-19 Yousef Atoum , Mao Ye , Liu Ren , Ying Tai , Xiaoming Liu

Imaging, detection and ranging of objects in the presence of significant background noise is a fundamental challenge in optical sensing. Overcoming the limitations imposed in conventional methods, quantum light sources show higher…

Quantum Physics · Physics 2022-10-11 Hashir Kuniyil , Helin Ozel , Hasan Yılmaz , Kadir Durak

Detecting object with low reflectivity embedded within a noisy background is a challenging task. Quantum correlations between pairs of quantum states of light, though are highly sensitive to background noise and losses, offer advantages…

Quantum Physics · Physics 2023-09-19 K. Muhammed Shafi , A. Padhye , C. M. Chandrashekar

Low-light conditions have an adverse impact on machine cognition, limiting the performance of computer vision systems in real life. Since low-light data is limited and difficult to annotate, we focus on image processing to enhance low-light…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Igor Morawski , Kai He , Shusil Dangi , Winston H. Hsu

Low-light images, characterized by inadequate illumination, pose challenges of diminished clarity, muted colors, and reduced details. Low-light image enhancement, an essential task in computer vision, aims to rectify these issues by…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Hossein Shakibania , Sina Raoufi , Hassan Khotanlou

Currently, low-light conditions present a significant challenge for machine cognition. In this paper, rather than optimizing models by assuming that human and machine cognition are correlated, we use zero-reference low-light enhancement to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Igor Morawski , Kai He , Shusil Dangi , Winston H. Hsu

Images acquired by computer vision systems under low light conditions have multiple characteristics like high noise, lousy illumination, reflectance, and bad contrast, which make object detection tasks difficult. Much work has been done to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Winston Chen , Tejas Shah

Machine vision, including object recognition and image reconstruction, is a central technology in many consumer devices and scientific instruments. The design of machine-vision systems has been revolutionized by the adoption of end-to-end…

Entangled light sources for illuminating objects offer advantages over conventional illumination methods by enhancing the detection sensitivity of reflecting objects. The core of the quantum advantage lies in effectively exploiting quantum…

Quantum Physics · Physics 2024-10-24 Kanad Sengupta , K. Muhammed Shafi , Soumya Asokan , C. M. Chandrashekar

Single-photon-level imaging at 1550 nm is a key driver for significant advancements in the next-generation laser detection technology. This cutting-edge approach plays a vital role in space ranging, target recognition, and three-dimensional…

Low light conditions not only degrade human visual experience, but also reduce the performance of downstream machine analytics. Although many works have been designed for low-light enhancement or domain adaptive machine analytics, the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Wenjing Wang , Zhengbo Xu , Haofeng Huang , Jiaying Liu

Real-world low-light images captured by imaging devices suffer from poor visibility and require a domain-specific enhancement to produce artifact-free outputs that reveal details. In this paper, we propose an unpaired low-light image…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Aupendu Kar , Sobhan K. Dhara , Debashis Sen , Prabir K. Biswas

We show a monotonic relationship between performances of various computer vision tasks versus degrees of coherence of illumination. We simulate partially coherent illumination using computational methods, propagate the lightwave to form…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Zichen Xie , Ken Xingze Wang

A recently introduced two-channel confocal microscope with correlated detection promises up to 50% improvement in transverse spatial resolution [Simon, Sergienko, Optics Express {\bf 18}, 9765 (2010)] via the use of photon correlations.…

Quantum Physics · Physics 2015-05-18 D. S. Simon , A. V. Sergienko

Direct visual localization has recently enjoyed a resurgence in popularity with the increasing availability of cheap mobile computing power. The competitive accuracy and robustness of these algorithms compared to state-of-the-art…

Robotics · Computer Science 2022-07-05 Lee Clement , Jonathan Kelly

Night vision imaging is a technology that converts non-visible object to human eyes into visible image in night and other low light environments. However, the conventional night vision imaging can only directly produce grayscale image.…

Image and Video Processing · Electrical Eng. & Systems 2021-02-03 Deyang Duan , Yunjie Xia

Imaging systems' performance at low light intensity is affected by shot noise, which becomes increasingly strong as the power of the light source decreases. In this paper we experimentally demonstrate the use of deep neural networks to…

Image and Video Processing · Electrical Eng. & Systems 2018-12-19 Alexandre Goy , Kwabena Arthur , Shuai Li , George Barbastathis

In this work, we demonstrate optical integration using heralded single photons and explore the influence of spatial correlations between photons on this process. Specifically, we experimentally harness the transverse spatial degrees of…

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