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

计算机视觉与模式识别 · 计算机科学 2020-06-03 Shasha Guo , Lei Wang , Xiaofan Chen , Limeng Zhang , Ziyang Kang , Weixia Xu

Event cameras capture visual information with a high temporal resolution and a wide dynamic range. This enables capturing visual information at fine time granularities (e.g., microseconds) in rapidly changing environments. This makes event…

机器人学 · 计算机科学 2023-03-09 Sankeerth Durvasula , Yushi Guan , Nandita Vijaykumar

We propose a learning approach to corner detection for event-based cameras that is stable even under fast and abrupt motions. Event-based cameras offer high temporal resolution, power efficiency, and high dynamic range. However, the…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Jacques Manderscheid , Amos Sironi , Nicolas Bourdis , Davide Migliore , Vincent Lepetit

This study introduces a novel approach to enhance the spatial-temporal resolution of time-event pixels based on luminance changes captured by event cameras. These cameras present unique challenges due to their low resolution and the sparse,…

图像与视频处理 · 电气工程与系统科学 2024-08-14 Waseem Shariff , Joe Lemley , Peter Corcoran

Contrary to other standard cameras, event cameras interpret the world in an entirely different manner; as a collection of asynchronous events. Despite event camera's unique data output, many event feature detection and tracking algorithms…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Sumin Hu , Yeeun Kim , Hyungtae Lim , Alex Junho Lee , Hyun Myung

Event cameras are neuromorphic vision sensors that record a scene as sparse and asynchronous event streams. Most event-based methods project events into dense frames and process them using conventional vision models, resulting in high…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Bochen Xie , Yongjian Deng , Zhanpeng Shao , Qingsong Xu , Youfu Li

Aerial surveillance demands rapid and precise detection of moving objects in dynamic environments. Event cameras, which draw inspiration from biological vision systems, present a promising alternative to frame-based sensors due to their…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Sami Arja , Alexandre Marcireau , Saeed Afshar , Bharath Ramesh , Gregory Cohen

In this work, we propose an edge detection algorithm by estimating a lifetime of an event produced from dynamic vision sensor (DVS), also known as event camera. The event camera, unlike traditional CMOS camera, generates sparse event data…

机器人学 · 计算机科学 2019-07-18 Sangil Lee , Haram Kim , H. Jin Kim

Egocentric gesture recognition is a pivotal technology for enhancing natural human-computer interaction, yet traditional RGB-based solutions suffer from motion blur and illumination variations in dynamic scenarios. While event cameras show…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Luming Wang , Hao Shi , Xiaoting Yin , Kailun Yang , Kaiwei Wang , Jian Bai

The strong temporal consistency of surveillance video enables compelling compression performance with traditional methods, but downstream vision applications operate on decoded image frames with a high data rate. Since it is not…

多媒体 · 计算机科学 2024-02-09 Andrew C. Freeman , Ketan Mayer-Patel , Montek Singh

Event cameras are bio-inspired sensors that differ from conventional frame cameras: Instead of capturing images at a fixed rate, they asynchronously measure per-pixel brightness changes, and output a stream of events that encode the time,…

Event cameras offer high temporal resolution and power efficiency, making them well-suited for edge AI applications. However, their high event rates present challenges for data transmission and processing. Subsampling methods provide a…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Hesam Araghi , Jan van Gemert , Nergis Tomen

Event cameras provide a number of benefits over traditional cameras, such as the ability to track incredibly fast motions, high dynamic range, and low power consumption. However, their application into computer vision problems, many of…

计算机视觉与模式识别 · 计算机科学 2019-12-20 Alex Zihao Zhu , Ziyun Wang , Kaung Khant , Kostas Daniilidis

Event cameras are innovative neuromorphic sensors that asynchronously capture the scene dynamics. Due to the event-triggering mechanism, such cameras record event streams with much shorter response latency and higher intensity sensitivity…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Yunhao Zou , Ying Fu , Tsuyoshi Takatani , Yinqiang Zheng

Neuromorphic image sensors produce activity-driven spiking output at every pixel. These low-power consuming imagers which encode visual change information in the form of spikes help reduce computational overhead and realize complex…

计算机视觉与模式识别 · 计算机科学 2019-03-20 Rohan Ghosh , Siyi Tang , Mahdi Rasouli , Nitish Thakor , Sunil Kukreja

Event cameras offer significant advantages over traditional frame-based sensors. These include microsecond temporal resolution, robustness under varying lighting conditions and low power consumption. Nevertheless, the effective processing…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Kamil Jeziorek , Tomasz Kryjak

Event cameras are bio-inspired sensors providing significant advantages over standard cameras such as low latency, high temporal resolution, and high dynamic range. We propose a novel structured-light system using an event camera to tackle…

计算机视觉与模式识别 · 计算机科学 2022-07-08 Manasi Muglikar , Guillermo Gallego , Davide Scaramuzza

Event cameras detect changes in per-pixel intensity to generate asynchronous `event streams'. They offer great potential for accurate semantic map retrieval in real-time autonomous systems owing to their much higher temporal resolution and…

计算机视觉与模式识别 · 计算机科学 2023-09-29 Shristi Das Biswas , Adarsh Kosta , Chamika Liyanagedera , Marco Apolinario , Kaushik Roy

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…

计算机视觉与模式识别 · 计算机科学 2022-05-11 Vivek Mohan , Deepak Singla , Tarun Pulluri , Andres Ussa , Pradeep Kumar Gopalakrishnan , Pao-Sheng Sun , Bharath Ramesh , Arindam Basu

Event cameras are novel sensors that report brightness changes in the form of asynchronous "events" instead of intensity frames. They have significant advantages over conventional cameras: high temporal resolution, high dynamic range, and…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Henri Rebecq , René Ranftl , Vladlen Koltun , Davide Scaramuzza