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Related papers: Exploiting Alternating DVS Shot Noise Event Pair S…

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Under dim lighting conditions, the output of Dynamic Vision Sensor (DVS) event cameras is strongly affected by noise. Photon and electron shot-noise cause a high rate of non-informative events that reduce Signal to Noise ratio. DVS noise…

Systems and Control · Electrical Eng. & Systems 2023-04-13 Rui Graca , Brian McReynolds , Tobi Delbruck

This paper reports a Dynamic Vision Sensor (DVS) event camera that is 6x more sensitive at 14x lower illumination than existing commercial and prototype cameras. Event cameras output a sparse stream of brightness change events. Their high…

Image and Video Processing · Electrical Eng. & Systems 2024-09-17 Rui Graca , Sheng Zhou , Brian McReynolds , Tobi Delbruck

Dynamic Vision Sensor (DVS) event camera models are important tools for predicting camera response, optimizing biases, and generating realistic simulated datasets. Existing DVS models have been useful, but have not demonstrated high realism…

Image and Video Processing · Electrical Eng. & Systems 2025-05-13 Rui Graca , Tobi Delbruck

Dynamic vision sensor (DVS) event camera output is affected by noise, particularly in dim lighting conditions. A theory explaining how photon and electron noise affect DVS output events has so far not been developed. Moreover, there is no…

Systems and Control · Electrical Eng. & Systems 2023-04-11 Rui Graca , Tobi Delbruck

To help meet the increasing need for dynamic vision sensor (DVS) event camera data, this paper proposes the v2e toolbox that generates realistic synthetic DVS events from intensity frames. It also clarifies incorrect claims about DVS motion…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Yuhuang Hu , Shih-Chii Liu , Tobi Delbruck

Dynamic Vision Sensors (DVS) exhibit exceptional dynamic range and low power consumption, making them ideal for edge applications in the Internet of Video Things (IoVT). However, their output is often degraded by spurious Background…

Neural and Evolutionary Computing · Computer Science 2026-05-05 Yahan Yang , Pradeep Kumar Gopalakrishnan , Chang Chip Hong , Arindam Basu

Dynamic Vision Sensors (DVS) have recently generated great interest because of the advantages of wide dynamic range and low latency compared with conventional frame-based cameras. However, the complicated behaviors in dim light conditions…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Xiao Jiang , Fei Zhou

Spiking Neural Networks (SNNs), despite being energy-efficient when implemented on neuromorphic hardware and coupled with event-based Dynamic Vision Sensors (DVS), are vulnerable to security threats, such as adversarial attacks, i.e., small…

Computer Vision and Pattern Recognition · Computer Science 2021-07-02 Alberto Marchisio , Giacomo Pira , Maurizio Martina , Guido Masera , Muhammad Shafique

Event-based vision sensors, such as the Dynamic Vision Sensor (DVS), are ideally suited for real-time motion analysis. The unique properties encompassed in the readings of such sensors provide high temporal resolution, superior sensitivity…

Computer Vision and Pattern Recognition · Computer Science 2020-01-14 Anton Mitrokhin , Cornelia Fermuller , Chethan Parameshwara , Yiannis Aloimonos

Dynamic Vision Sensor (DVS) can asynchronously output the events reflecting apparent motion of objects with microsecond resolution, and shows great application potential in monitoring and other fields. However, the output event stream of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Jinze Chen , Yang Wang , Yang Cao , Feng Wu , Zheng-Jun Zha

Unlike conventional cameras which capture video at a fixed frame rate, Dynamic Vision Sensors (DVS) record only changes in pixel intensity values. The output of DVS is simply a stream of discrete ON/OFF events based on the polarity of…

Computer Vision and Pattern Recognition · Computer Science 2019-01-09 Stefanie Anna Baby , Bimal Vinod , Chaitanya Chinni , Kaushik Mitra

The Dynamic Vision Sensor (DVS) is an innovative technology that efficiently captures and encodes visual information in an event-driven manner. By combining it with event-driven neuromorphic processing, the sparsity in DVS camera output can…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Yiming Bu , Jiayang Liu , Qinru Qiu

The operation of the DVS event camera is controlled by the user through adjusting different bias parameters. These biases affect the response of the camera by controlling - among other parameters - the bandwidth, sensitivity, and maximum…

Systems and Control · Electrical Eng. & Systems 2023-04-12 Rui Graça , Brian McReynolds , Tobi Delbruck

Dynamic Vision Sensor (DVS)-based solutions have recently garnered significant interest across various computer vision tasks, offering notable benefits in terms of dynamic range, temporal resolution, and inference speed. However, as a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Zhongyang Zhang , Shuyang Cui , Kaidong Chai , Haowen Yu , Subhasis Dasgupta , Upal Mahbub , Tauhidur Rahman

Standard dynamic vision sensor (DVS) event cameras output a stream of spatially-independent log-intensity brightness change events so they cannot suppress spatial redundancy. Nearly all biological retinas use an antagonistic center-surround…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Tobi Delbruck , Chenghan Li , Rui Graca , Brian Mcreynolds

Event cameras, such as dynamic vision sensors (DVS), and dynamic and active-pixel vision sensors (DAVIS) can supplement other autonomous driving sensors by providing a concurrent stream of standard active pixel sensor (APS) images and DVS…

Computer Vision and Pattern Recognition · Computer Science 2017-11-07 Jonathan Binas , Daniel Neil , Shih-Chii Liu , Tobi Delbruck

As an alternative sensing paradigm, dynamic vision sensors (DVS) have been recently explored to tackle scenarios where conventional sensors result in high data rate and processing time. This paper presents a hybrid event-frame approach for…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Vivek Mohan , Deepak Singla , Tarun Pulluri , Andres Ussa , Pradeep Kumar Gopalakrishnan , Pao-Sheng Sun , Bharath Ramesh , Arindam Basu

Event cameras, or Dynamic Vision Sensor (DVS), are very promising sensors which have shown several advantages over frame based cameras. However, most recent work on real applications of these cameras is focused on 3D reconstruction and…

Computer Vision and Pattern Recognition · Computer Science 2019-07-10 Iñigo Alonso , Ana C. Murillo

Neuromorphic event-based dynamic vision sensors (DVS) have much faster sampling rates and a higher dynamic range than frame-based imagers. However, they are sensitive to background activity (BA) events which are unwanted. we propose a new…

Emerging Technologies · Computer Science 2020-06-03 Shasha Guo , Ziyang Kang , Lei Wang , Limeng Zhang , Xiaofan Chen , Shiming Li , Weixia Xu

Fast neuromorphic event-based vision sensors (Dynamic Vision Sensor, DVS) can be combined with slower conventional frame-based sensors to enable higher-quality inter-frame interpolation than traditional methods relying on fixed motion…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Adam Radomski , Andreas Georgiou , Thomas Debrunner , Chenghan Li , Luca Longinotti , Minwon Seo , Moosung Kwak , Chang-Woo Shin , Paul K. J. Park , Hyunsurk Eric Ryu , Kynan Eng
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