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Event cameras, often referred to as dynamic vision sensors, are groundbreaking sensors capable of capturing changes in light intensity asynchronously, offering exceptional temporal resolution and energy efficiency. These attributes make…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Mira Adra , Simone Melcarne , Nelida Mirabet-Herranz , Jean-Luc Dugelay

In this work, we consider the problem of cross-domain 3D action recognition in the open-set setting, which has been rarely explored before. Specifically, there is a source domain and a target domain that contain the skeleton sequences with…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Qinying Liu , Zilei Wang

Event Cameras, also known as Neuromorphic sensors, capture changes in local light intensity at the pixel level, producing asynchronously generated data termed ``events''. This distinct data format mitigates common issues observed in…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Khadija Iddrisu , Waseem Shariff , Noel E. OConnor , Joseph Lemley , Suzanne Little

Despite the dynamic development of computer vision algorithms, the implementation of perception and control systems for autonomous vehicles such as drones and self-driving cars still poses many challenges. A video stream captured by…

计算机视觉与模式识别 · 计算机科学 2023-11-14 Piotr Wzorek , Tomasz Kryjak

Clustering is a widely used technique in data mining applications for discovering patterns in underlying data. Most traditional clustering algorithms are limited to handling datasets that contain either numeric or categorical attributes.…

人工智能 · 计算机科学 2007-05-23 Zengyou He , Xiaofei Xu , Shengchun Deng

Interacting with the environment, such as object detection and tracking, is a crucial ability of mobile robots. Besides high accuracy, efficiency in terms of processing effort and energy consumption are also desirable. To satisfy both…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Xuesong Li , Jose Guivant

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

The event camera is a novel bio-inspired vision sensor. When the brightness change exceeds the preset threshold, the sensor generates events asynchronously. The number of valid events directly affects the performance of event-based tasks,…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Xijie Xiang , Lin Zhu , Jianing Li , Yonghong Tian , Tiejun Huang

The neuromorphic event cameras, which capture the optical changes of a scene, have drawn increasing attention due to their high speed and low power consumption. However, the event data are noisy, sparse, and nonuniform in the…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Chang Liu , Xiaojuan Qi , Edmund Lam , Ngai Wong

Clustering is a difficult and widely-studied data mining task, with many varieties of clustering algorithms proposed in the literature. Nearly all algorithms use a similarity measure such as a distance metric (e.g. Euclidean distance) to…

神经与进化计算 · 计算机科学 2019-10-24 Andrew Lensen , Bing Xue , Mengjie Zhang

Event cameras are a type of novel neuromorphic sen-sor that has been gaining increasing attention. Existing event-based backbones mainly rely on image-based designs to extract spatial information within the image transformed from events,…

计算机视觉与模式识别 · 计算机科学 2023-10-05 Yansong Peng , Yueyi Zhang , Zhiwei Xiong , Xiaoyan Sun , Feng Wu

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

We present an end-to-end system for detecting and clustering faces by identity in full-length movies. Unlike works that start with a predefined set of detected faces, we consider the end-to-end problem of detection and clustering together.…

计算机视觉与模式识别 · 计算机科学 2017-09-11 SouYoung Jin , Hang Su , Chris Stauffer , Erik Learned-Miller

Eye tracking is a key technology for gaze-based interactions in Extended Reality (XR), but traditional frame-based systems struggle to meet XR's demands for high accuracy, low latency, and power efficiency. Event cameras offer a promising…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Junyuan Ding , Ziteng Wang , Chang Gao , Min Liu , Qinyu Chen

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

Convolutional neural networks (CNN) based tracking approaches have shown favorable performance in recent benchmarks. Nonetheless, the chosen CNN features are always pre-trained in different task and individual components in tracking systems…

计算机视觉与模式识别 · 计算机科学 2017-11-21 Zheng Zhu , Guan Huang , Wei Zou , Dalong Du , Chang Huang

Time series clustering is the process of grouping time series with respect to their similarity or characteristics. Previous approaches usually combine a specific distance measure for time series and a standard clustering method. However,…

Classification and clustering algorithms have been proved to be successful individually in different contexts. Both of them have their own advantages and limitations. For instance, although classification algorithms are more powerful than…

机器学习 · 计算机科学 2017-08-30 Tanmoy Chakraborty

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…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Anton Mitrokhin , Cornelia Fermuller , Chethan Parameshwara , Yiannis Aloimonos

We introduce a generic visual descriptor, termed as distribution aware retinal transform (DART), that encodes the structural context using log-polar grids for event cameras. The DART descriptor is applied to four different problems, namely…

计算机视觉与模式识别 · 计算机科学 2018-11-15 Bharath Ramesh , Hong Yang , Garrick Orchard , Ngoc Anh Le Thi , Shihao Zhang , Cheng Xiang