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While low-level image features have proven to be effective representations for visual recognition tasks such as object recognition and scene classification, they are inadequate to capture complex semantic meaning required to solve…

多媒体 · 计算机科学 2014-06-17 Tim Althoff , Hyun Oh Song , Trevor Darrell

Event cameras are a new type of brain-inspired visual sensor with advantages such as high dynamic range and high temporal resolution. The geometric calibration of event cameras, which involves determining their intrinsic and extrinsic…

计算机视觉与模式识别 · 计算机科学 2025-12-19 Zibin Liu , Shunkun Liang , Banglei Guan , Dongcai Tan , Yang Shang , Qifeng Yu

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 extraction is essential for event understanding and analysis. It supports tasks such as document summarization and decision-making in emergency scenarios. However, existing event extraction approaches have limitations: (1)…

计算与语言 · 计算机科学 2026-04-24 Praval Sharma

Automatic building extraction from aerial and satellite imagery is highly challenging due to extremely large variations of building appearances. To attack this problem, we design a convolutional network with a final stage that integrates…

计算机视觉与模式识别 · 计算机科学 2016-02-23 Jiangye Yuan

This paper presents a long-term object tracking framework with a moving event camera under general tracking conditions. A first of its kind for these revolutionary cameras, the tracking framework uses a discriminative representation for the…

计算机视觉与模式识别 · 计算机科学 2020-09-03 Bharath Ramesh , Shihao Zhang , Hong Yang , Andres Ussa , Matthew Ong , Garrick Orchard , Cheng Xiang

Event-based cameras, also known as neuromorphic cameras, are bioinspired sensors able to perceive changes in the scene at high frequency with low power consumption. Becoming available only very recently, a limited amount of work addresses…

计算机视觉与模式识别 · 计算机科学 2019-06-14 Marco Cannici , Marco Ciccone , Andrea Romanoni , Matteo Matteucci

Compared to conventional cameras, event cameras provide a high dynamic range and low latency, offering greater robustness to rapid motion and challenging lighting conditions. Although the potential of event cameras for visual place…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Therese Joseph , Tobias Fischer , Michael Milford

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,…

Object detection is a fundamental task in computer vision and has many applications in image processing. This paper proposes a new approach for object detection by applying scale invariant feature transform (SIFT) in an automatic…

计算机视觉与模式识别 · 计算机科学 2012-10-29 Reza Oji , Farshad Tajeripour

Fully understanding narratives often requires identifying events in the context of whole documents and modeling the event relations. However, document-level event extraction is a challenging task as it requires the extraction of event and…

计算与语言 · 计算机科学 2021-05-11 Kung-Hsiang Huang , Nanyun Peng

Human pose estimation focuses on predicting body keypoints to analyze human motion. Currently, most pose estimation tasks rely on conventional RGB cameras. In contrast, event cameras provide high temporal resolution and low latency,…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Haoxian Zhou , Chuanzhi Xu , Langyi Chen , Pengfei Ye , Haodong Chen , Yuk Ying Chung , Qiang Qu

Event cameras are bio-inspired vision sensors that naturally capture the dynamics of a scene, filtering out redundant information. This paper presents a deep neural network approach that unlocks the potential of event cameras on a…

计算机视觉与模式识别 · 计算机科学 2019-01-21 Ana I. Maqueda , Antonio Loquercio , Guillermo Gallego , Narciso Garcia , Davide Scaramuzza

In this paper we compare event-based decaying and time based-decaying memory surfaces for high-speed eventbased tracking, feature extraction, and object classification using an event-based camera. The high-speed recognition task involves…

神经与进化计算 · 计算机科学 2017-11-09 Saeed Afshar , Gregory Cohen , Tara Julia Hamilton , Jonathan Tapson , Andre van Schaik

In recent years, there has been a growing interest in realizing methodologies to integrate more and more computation at the level of the image sensor. The rising trend has seen an increased research interest in developing novel event…

图像与视频处理 · 电气工程与系统科学 2021-05-05 Md Jubaer Hossain Pantho , Joel Mandebi Mbongue , Pankaj Bhowmik , Christophe Bobda

An event camera detects per-pixel intensity difference and produces asynchronous event stream with low latency, high dynamic range, and low power consumption. As a trade-off, the event camera has low spatial resolution. We propose an…

计算机视觉与模式识别 · 计算机科学 2020-04-13 S. Mohammad Mostafavi I. , Jonghyun Choi , Kuk-Jin Yoon

Spatial convolution is arguably the most fundamental of 2D image processing operations. Conventional spatial image convolution can only be applied to a conventional image, that is, an array of pixel values (or similar image representation)…

计算机视觉与模式识别 · 计算机科学 2019-02-11 Cedric Scheerlinck , Nick Barnes , Robert Mahony

This paper presents a novel approach of representing dynamic visual scenes with static maps generated from video/image streams. Such representation allows easy visual assessment of motion in dynamic environments. These maps are 2D matrices…

计算机视觉与模式识别 · 计算机科学 2021-03-05 Bruno Costa , Enrique Corona , Mostafa Parchami , Gint Puskorius , Dimitar Filev

The event camera has appealing properties: high dynamic range, low latency, low power consumption and low memory usage, and thus provides complementariness to conventional frame-based cameras. It only captures the dynamics of a scene and is…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Fang Xu , Shijie Lin , Wen Yang , Lei Yu , Dengxin Dai , Gui-song Xia

Event extraction (EE) is a crucial information extraction task that aims to extract event information in texts. Most existing methods assume that events appear in sentences without overlaps, which are not applicable to the complicated…

计算与语言 · 计算机科学 2021-07-06 Jiawei Sheng , Shu Guo , Bowen Yu , Qian Li , Yiming Hei , Lihong Wang , Tingwen Liu , Hongbo Xu