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This work addresses the critical problem of tracking fast-moving objects through strongly scattering media in a low-light environment. Different from existing approaches that use frame-based cameras with fixed exposure times, which trade…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Yuqing Cao , Shuo Zhu , Rongzhou Chen , Jingyan Chen , Ni Chen , Edmund Y. Lam

Diluted arrays of many optical apertures will be able to provide h igh-resolution snapshot images if the beams are combined according to the densified-pupil scheme. We show that the same principle can also provide coronagraphic images, for…

Astrophysics · Physics 2009-10-31 A. Boccaletti , P. Riaud , C. Moutou , A. Labeyrie

Neuromorphic vision sensors, or event cameras, differ from conventional cameras in that they do not capture images at a specified rate. Instead, they asynchronously log local brightness changes at each pixel. As a result, event cameras only…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Paul Kielty , Cian Ryan , Mehdi Sefidgar Dilmaghani , Waseem Shariff , Joe Lemley , Peter Corcoran

Neuromorphic imaging reacts to per-pixel brightness changes of a dynamic scene with high temporal precision and responds with asynchronous streaming events as a result. It also often supports a simultaneous output of an intensity image.…

Image and Video Processing · Electrical Eng. & Systems 2024-03-25 Pei Zhang , Haosen Liu , Zhou Ge , Chutian Wang , Edmund Y. Lam

As an emerging approach to space situational awareness and space imaging, the practical use of an event-based camera in space imaging for precise source analysis is still in its infancy. The nature of event-based space imaging and data…

Signal Processing · Electrical Eng. & Systems 2022-11-21 Nicholas Owen Ralph , Alexandre Marcireau , Saeed Afshar , Nicholas Tothill , André van Schaik , Gregory Cohen

Bimodal objects, such as the checkerboard pattern used in camera calibration, markers for object tracking, and text on road signs, to name a few, are prevalent in our daily lives and serve as a visual form to embed information that can be…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Shijie Lin , Xiang Zhang , Lei Yang , Lei Yu , Bin Zhou , Xiaowei Luo , Wenping Wang , Jia Pan

Being able to image the human retina in high resolution opens a new era in many important fields, such as pharmacological research for retinal diseases, researches in human cognition, nervous system, metabolism and blood stream, to name a…

Optics · Physics 2016-05-25 Guillaume Molodij , Erez N. Ribak , Marie Glanc , Guillaume Chenegros

Due to different seasons, illumination, and atmospheric conditions, the photometric of the acquired image varies greatly, which leads to obvious stitching seams at the edges of the mosaic image. Traditional methods can be divided into two…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Zongcheng Zuo , Yuanxiang Li , Tongtong Zhang

The neuromorphic camera is a brand new vision sensor that has emerged in recent years. In contrast to the conventional frame-based camera, the neuromorphic camera only transmits local pixel-level changes at the time of its occurrence and…

Robotics · Computer Science 2019-09-06 Dekai Zhu , Jinhu Dong , Zhongcong Xu , Canbo Ye , Yinbai Hu , Hang Su , Zhengfa Liu , Guang Chen

Vision-based object tracking is a critical component for achieving autonomous aerial navigation, particularly for obstacle avoidance. Neuromorphic Dynamic Vision Sensors (DVS) or event cameras, inspired by biological vision, offer a…

Robotics · Computer Science 2025-04-24 Sourav Sanyal , Amogh Joshi , Manish Nagaraj , Rohan Kumar Manna , Kaushik Roy

Neural implicit representation of visual scenes has attracted a lot of attention in recent research of computer vision and graphics. Most prior methods focus on how to reconstruct 3D scene representation from a set of images. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Wenpu Li , Pian Wan , Peng Wang , Jinghang Li , Yi Zhou , Peidong Liu

High dynamic range (HDR) imaging is a crucial task in computational photography, which captures details across diverse lighting conditions. Traditional HDR fusion methods face limitations in dynamic scenes with extreme exposure differences,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Shi Guo , Zixuan Chen , Ziran Zhang , Yutian Chen , Gangwei Xu , Tianfan Xue

Photographs captured by smartphones and mid-range cameras have limited spatial resolution and dynamic range, with noisy response in underexposed regions and color artefacts in saturated areas. This paper introduces the first approach (to…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Bruno Lecouat , Thomas Eboli , Jean Ponce , Julien Mairal

High-dynamic range imaging permits to extend the dynamic range of intensity values to get close to what the human eye is able to perceive. Although there has been a huge progress in the digital camera sensor range capacity, the need of…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Jennifer Bonnard , Gilles Valette , Céline Loscos

Quasi-bimodal objects, such as text, road signs, and barcodes, play a basic yet vital role in daily visual communication. By boiling these down to clear silhouettes, binarization uses a minimal language to convey essential vision cues for…

Image and Video Processing · Electrical Eng. & Systems 2026-05-19 Pei Zhang , Shijie Lin , Zhou Ge , Jinpeng Chen , Wei Pu

While the human eye can perceive an impressive twenty stops of dynamic range, smartphone camera sensors remain limited to about twelve stops despite decades of research. A variety of high dynamic range (HDR) image capture and processing…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Baiang Li , Ruyu Yan , Ethan Tseng , Zhoutong Zhang , Adam Finkelstein , Jiawen Chen , Felix Heide

Three-dimensional imaging plays an important role in imaging applications where it is necessary to record depth. The number of applications that use depth imaging is increasing rapidly, and examples include self-driving autonomous vehicles…

Image and Video Processing · Electrical Eng. & Systems 2021-04-21 Alice Ruget , Stephen McLaughlin , Robert K. Henderson , Istvan Gyongy , Abderrahim Halimi , Jonathan Leach

High dynamic range (HDR) imaging is vital for capturing the full range of light tones in scenes, essential for computer vision tasks such as autonomous driving. Standard commercial imaging systems face limitations in capacity for well…

Image and Video Processing · Electrical Eng. & Systems 2025-04-08 Brayan Monroy , Kebin Contreras , Jorge Bacca

High Dynamic Range (HDR) imaging aims to reproduce the wide range of brightness levels present in natural scenes, which the human visual system can perceive but conventional digital cameras often fail to capture due to their limited dynamic…

Image and Video Processing · Electrical Eng. & Systems 2025-10-28 Kumbha Nagaswetha

Neuromorphic (event-based) image sensors draw inspiration from the human-retina to create an electronic device that can process visual stimuli in a way that closely resembles its biological counterpart. These sensors process information…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Shay Snyder , Hunter Thompson , Md Abdullah-Al Kaiser , Gregory Schwartz , Akhilesh Jaiswal , Maryam Parsa