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Event cameras are novel, bio-inspired visual sensors, whose pixels output asynchronous and independent timestamped spikes at local intensity changes, called 'events'. Event cameras offer advantages over conventional frame-based cameras in…

计算机视觉与模式识别 · 计算机科学 2019-04-25 Cedric Scheerlinck , Henri Rebecq , Timo Stoffregen , Nick Barnes , Robert Mahony , Davide Scaramuzza

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

Event cameras record visual information as asynchronous pixel change streams, excelling at scene perception under unsatisfactory lighting or high-dynamic conditions. Existing multimodal large language models (MLLMs) concentrate on natural…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Shaoyu Liu , Jianing Li , Guanghui Zhao , Yunjian Zhang , Xin Meng , Fei Richard Yu , Xiangyang Ji , Ming Li

As event-based sensing gains in popularity, theoretical understanding is needed to harness this technology's potential. Instead of recording video by capturing frames, event-based cameras have sensors that emit events when their inputs…

图像与视频处理 · 电气工程与系统科学 2022-06-10 Karen Adam , Adam Scholefield , Martin Vetterli

Neuromorphic, or event, cameras represent a transformation in the classical approach to visual sensing encodes detected instantaneous per-pixel illumination changes into an asynchronous stream of event packets. Their novelty compared to…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Claudio Cimarelli , Jose Andres Millan-Romera , Holger Voos , Jose Luis Sanchez-Lopez

We consider the problem of event detection in video for scenarios where only few, or even zero examples are available for training. For this challenging setting, the prevailing solutions in the literature rely on a semantic video…

计算机视觉与模式识别 · 计算机科学 2016-04-26 Masoud Mazloom , Xirong Li , Cees G. M. Snoek

Manually annotating complex scene point cloud datasets is both costly and error-prone. To reduce the reliance on labeled data, a new model called SnapshotNet is proposed as a self-supervised feature learning approach, which directly works…

计算机视觉与模式识别 · 计算机科学 2022-01-14 Xingye Li , Ling Zhang , Zhigang Zhu

Because of their high temporal resolution, increased resilience to motion blur, and very sparse output, event cameras have been shown to be ideal for low-latency and low-bandwidth feature tracking, even in challenging scenarios. Existing…

计算机视觉与模式识别 · 计算机科学 2026-01-16 Nico Messikommer , Carter Fang , Mathias Gehrig , Giovanni Cioffi , Davide Scaramuzza

In this work, we propose a novel framework for unsupervised learning for event cameras that learns motion information from only the event stream. In particular, we propose an input representation of the events in the form of a discretized…

计算机视觉与模式识别 · 计算机科学 2018-12-20 Alex Zihao Zhu , Liangzhe Yuan , Kenneth Chaney , Kostas Daniilidis

Event cameras are considered to have great potential for computer vision and robotics applications because of their high temporal resolution and low power consumption characteristics. However, the event stream output from event cameras has…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Xiaoshan Wu , Weihua He , Man Yao , Ziyang Zhang , Yaoyuan Wang , Guoqi Li

We consider the problem of event detection based upon a (typically multivariate) data stream characterizing some system. Most of the time the system is quiescent - nothing of interest is happening - but occasionally events of interest…

统计方法学 · 统计学 2010-03-16 Werner Stuetzle , Donald B. Percival , Caren Marzban

Object detection plays a critical role in autonomous driving, where accurately and efficiently detecting objects in fast-moving scenes is crucial. Traditional frame-based cameras face challenges in balancing latency and bandwidth,…

计算机视觉与模式识别 · 计算机科学 2024-05-08 Bingquan Zhou , Jie Jiang

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 offer unparalleled advantages for real-time perception in dynamic environments, thanks to the microsecond-level temporal resolution and asynchronous operation. Existing event detectors, however, are limited by fixed-frequency…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Dongyue Lu , Lingdong Kong , Gim Hee Lee , Camille Simon Chane , Wei Tsang Ooi

This work addresses the challenge of sub-pixel accuracy in detecting 2D local features, a cornerstone problem in computer vision. Despite the advancements brought by neural network-based methods like SuperPoint and ALIKED, these modern…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Shinjeong Kim , Marc Pollefeys , Daniel Barath

Event cameras are sensors of great interest for many applications that run in low-resource and challenging environments. They log sparse illumination changes with high temporal resolution and high dynamic range, while they present minimal…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Alberto Sabater , Luis Montesano , Ana C. Murillo

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

Text segmentation tasks have a very wide range of application values, such as image editing, style transfer, watermark removal, etc.However, existing public datasets are of poor quality of pixel-level labels that have been shown to be…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Yibo Wang , Yunhu Ye , Yuanpeng Mao , Yanwei Yu , Yuanping Song

With the success of deep learning, object recognition systems that can be deployed for real-world applications are becoming commonplace. However, inference that needs to largely take place on the `edge' (not processed on servers), is a…

As neuromorphic sensors, event cameras asynchronously record changes in brightness as streams of sparse events with the advantages of high temporal resolution and high dynamic range. Reconstructing intensity images from events is a highly…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Weilun Li , Lei Sun , Ruixi Gao , Qi Jiang , Yuqin Ma , Kaiwei Wang , Ming-Hsuan Yang , Luc Van Gool , Danda Pani Paudel