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An event camera is a novel vision sensor that can capture per-pixel brightness changes and output a stream of asynchronous ``events''. It has advantages over conventional cameras in those scenes with high-speed motions and challenging…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Junyu Zhu , Lina Liu , Bofeng Jiang , Feng Wen , Hongbo Zhang , Wanlong Li , Yong Liu

In this paper, we present EBBIOT-a novel paradigm for object tracking using stationary neuromorphic vision sensors in low-power sensor nodes for the Internet of Video Things (IoVT). Different from fully event based tracking or fully frame…

计算机视觉与模式识别 · 计算机科学 2019-10-07 Jyotibdha Acharya , Andres Ussa Caycedo , Vandana Reddy Padala , Rishi Raj Sidhu Singh , Garrick Orchard , Bharath Ramesh , Arindam Basu

In this paper, we introduce IDOL, an optimization-based framework for IMU-DVS Odometry using Lines. Event cameras, also called Dynamic Vision Sensors (DVSs), generate highly asynchronous streams of events triggered upon illumination changes…

Event-based camera is a bio-inspired vision sensor that records intensity changes (called event) asynchronously in each pixel. As an instance of event-based camera, Dynamic and Active-pixel Vision Sensor (DAVIS) combines a standard camera…

计算机视觉与模式识别 · 计算机科学 2019-04-29 Yuhu Guo , Han Xiao , Yidong Chen , Xiaodong Shi

Event cameras are a new type of vision sensor that incorporates asynchronous and independent pixels, offering advantages over traditional frame-based cameras such as high dynamic range and minimal motion blur. However, their output is not…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Burak Ercan , Onur Eker , Aykut Erdem , Erkut Erdem

Event cameras are novel sensors that output brightness changes in the form of a stream of asynchronous "events" instead of intensity frames. They offer significant advantages with respect to conventional cameras: high dynamic range (HDR),…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Daniel Gehrig , Mathias Gehrig , Javier Hidalgo-Carrió , Davide Scaramuzza

We propose an automatic unsupervised cell event detection and classification method, which expands convolutional Long Short-Term Memory (LSTM) neural networks, for cellular events in cell video sequences. Cells in images that are captured…

计算机视觉与模式识别 · 计算机科学 2017-09-08 Ha Tran Hong Phan , Ashnil Kumar , David Feng , Michael Fulham , Jinman Kim

This paper presents a novel yet intuitive approach to unsupervised feature learning. Inspired by the human visual system, we explore whether low-level motion-based grouping cues can be used to learn an effective visual representation.…

计算机视觉与模式识别 · 计算机科学 2017-04-13 Deepak Pathak , Ross Girshick , Piotr Dollár , Trevor Darrell , Bharath Hariharan

Neuromorphic vision or event vision is an advanced vision technology, where in contrast to the visible camera that outputs pixels, the event vision generates neuromorphic events every time there is a brightness change which exceeds a…

计算机视觉与模式识别 · 计算机科学 2023-01-11 Waseem Shariff , Muhammad Ali Farooq , Joe Lemley , Peter Corcoran

Unsupervised video object segmentation aims to automatically segment moving objects over an unconstrained video without any user annotation. So far, only few unsupervised online methods have been reported in literature and their performance…

计算机视觉与模式识别 · 计算机科学 2019-08-07 Tao Zhuo , Zhiyong Cheng , Peng Zhang , Yongkang Wong , Mohan Kankanhalli

Unsupervised semantic segmentation aims to categorize each pixel in an image into a corresponding class without the use of annotated data. It is a widely researched area as obtaining labeled datasets is expensive. While previous works in…

计算机视觉与模式识别 · 计算机科学 2024-01-01 Yau Shing Jonathan Cheung , Xi Chen , Lihe Yang , Hengshuang Zhao

One of the key challenges of visual perception is to extract abstract models of 3D objects and object categories from visual measurements, which are affected by complex nuisance factors such as viewpoint, occlusion, motion, and…

计算机视觉与模式识别 · 计算机科学 2017-11-21 James Thewlis , Hakan Bilen , Andrea Vedaldi

Event cameras are novel sensors that perceive the per-pixel intensity changes and output asynchronous event streams, showing lots of advantages over traditional cameras, such as high dynamic range (HDR) and no motion blur. It has been shown…

计算机视觉与模式识别 · 计算机科学 2021-09-29 Yujeong Chae , Lin Wang , Kuk-Jin Yoon

Motion segmentation from a single moving camera presents a significant challenge in the field of computer vision. This challenge is compounded by the unknown camera movements and the lack of depth information of the scene. While deep…

计算机视觉与模式识别 · 计算机科学 2024-06-28 Yuxiang Huang , Yuhao Chen , John Zelek

Event cameras are bio-inspired sensors that perform well in HDR conditions and have high temporal resolution. However, different from traditional frame-based cameras, event cameras measure asynchronous pixel-level brightness changes and…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Xin Peng , Yifu Wang , Ling Gao , Laurent Kneip

Event-based cameras asynchronously capture individual visual changes in a scene. This makes them more robust than traditional frame-based cameras to highly dynamic motions and poor illumination. It also means that every measurement in a…

机器人学 · 计算机科学 2023-09-14 Jianeng Wang , Jonathan D. Gammell

Recent advances in zero-shot and few-shot classification heavily rely on the success of pre-trained vision-language models (VLMs) such as CLIP. Due to a shortage of large-scale datasets, training such models for event camera data remains…

计算机视觉与模式识别 · 计算机科学 2023-11-20 Ziyi Wu , Xudong Liu , Igor Gilitschenski

Recent advancements in IoT technologies have underscored the importance of using sensor data to understand environmental contexts effectively. This paper introduces a novel embedded system designed to autonomously label sensor data directly…

机器学习 · 计算机科学 2024-07-17 Tianheng Ling , Islam Mansour , Chao Qian , Gregor Schiele

Visual-inertial odometry (VIO) systems traditionally rely on filtering or optimization-based techniques for egomotion estimation. While these methods are accurate under nominal conditions, they are prone to failure during severe…

机器人学 · 计算机科学 2022-10-04 Brandon Wagstaff , Emmett Wise , Jonathan Kelly

Unsupervised instance segmentation aims to segment distinct object instances in an image without relying on human-labeled data. This field has recently seen significant advancements, partly due to the strong local correspondences afforded…

计算机视觉与模式识别 · 计算机科学 2024-09-30 Dylan Li , Gyungin Shin