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Neuromorphic vision sensor is a new bio-inspired imaging paradigm that reports asynchronous, continuously per-pixel brightness changes called `events' with high temporal resolution and high dynamic range. So far, the event-based image…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Lin Zhu , Xiao Wang , Yi Chang , Jianing Li , Tiejun Huang , Yonghong Tian

The advent of neuralmorphic spike cameras has garnered significant attention for their ability to capture continuous motion with unparalleled temporal resolution.However, this imaging attribute necessitates considerable resources for binary…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Kexiang Feng , Chuanmin Jia , Siwei Ma , Wen Gao

Estimating the probability of rare failure events is an essential step in the reliability assessment of engineering systems. Computing this failure probability for complex non-linear systems is challenging, and has recently spurred the…

机器学习 · 计算机科学 2022-02-10 P. -R. Wagner , S. Marelli , I. Papaioannou , D. Straub , B. Sudret

Identifying independently moving objects is an essential task for dynamic scene understanding. However, traditional cameras used in dynamic scenes may suffer from motion blur or exposure artifacts due to their sampling principle. By…

计算机视觉与模式识别 · 计算机科学 2022-07-08 Yi Zhou , Guillermo Gallego , Xiuyuan Lu , Siqi Liu , Shaojie Shen

Dynamic Vision Sensors (DVS) capture event data with high temporal resolution and low power consumption, presenting a more efficient solution for visual processing in dynamic and real-time scenarios compared to conventional video capture…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Yiting Dong , Xiang He , Guobin Shen , Dongcheng Zhao , Yang Li , Yi Zeng

From a perspective of feature matching, optical flow estimation for event cameras involves identifying event correspondences by comparing feature similarity across accompanying event frames. In this work, we introduces an effective and…

计算机视觉与模式识别 · 计算机科学 2025-01-23 Hongzhi You , Yijun Cao , Wei Yuan , Fanjun Wang , Ning Qiao , Yongjie Li

Although synthetic aperture imaging (SAI) can achieve the seeing-through effect by blurring out off-focus foreground occlusions while recovering in-focus occluded scenes from multi-view images, its performance is often deteriorated by dense…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Lei Yu , Xiang Zhang , Wei Liao , Wen Yang , Gui-Song Xia

Recently, the bio-inspired spike camera with continuous motion recording capability has attracted tremendous attention due to its ultra high temporal resolution imaging characteristic. Such imaging feature results in huge data storage and…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Kexiang Feng , Chuanmin Jia , Siwei Ma , Wen Gao

Event cameras record sparse illumination changes with high temporal resolution and high dynamic range. Thanks to their sparse recording and low consumption, they are increasingly used in applications such as AR/VR and autonomous driving.…

计算机视觉与模式识别 · 计算机科学 2024-01-24 Alberto Sabater , Luis Montesano , Ana C. Murillo

Most successful computer vision models transform low-level features, such as Gabor filter responses, into richer representations of intermediate or mid-level complexity for downstream visual tasks. These mid-level representations have not…

计算机视觉与模式识别 · 计算机科学 2021-05-14 Weng Fei Low , Ankit Sonthalia , Zhi Gao , André van Schaik , Bharath Ramesh

High dynamic range (HDR) imaging under extreme illumination remains challenging for conventional cameras due to overexposure. Event cameras provide microsecond temporal resolution and high dynamic range, while spatially varying exposure…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Pengju Sun , Banglei Guan , Jing Tao , Zhenbao Yu , Xuanyu Bai , Yang Shang , Qifeng Yu

Event cameras offer significant advantages, including a wide dynamic range, high temporal resolution, and immunity to motion blur, making them highly promising for addressing challenging visual conditions. Extracting and utilizing effective…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Xin Dong , Yiwei Zhang , Yangjie Cui , Jinwu Xiang , Daochun Li , Zhan Tu

Event-based cameras are novel, efficient sensors inspired by the human vision system, generating an asynchronous, pixel-wise stream of data. Learning from such data is generally performed through heavy preprocessing and event integration…

计算机视觉与模式识别 · 计算机科学 2020-04-08 Giorgio Giannone , Asha Anoosheh , Alessio Quaglino , Pierluca D'Oro , Marco Gallieri , Jonathan Masci

In recent decades, visual simultaneous localization and mapping (vSLAM) has gained significant interest in both academia and industry. It estimates camera motion and reconstructs the environment concurrently using visual sensors on a moving…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Kunping Huang , Sen Zhang , Jing Zhang , Dacheng Tao

Event cameras sense intensity changes and have many advantages over conventional cameras. To take advantage of event cameras, some methods have been proposed to reconstruct intensity images from event streams. However, the outputs are still…

计算机视觉与模式识别 · 计算机科学 2020-03-18 Lin Wang , Tae-Kyun Kim , Kuk-Jin Yoon

We introduce Perception Encoder (PE), a state-of-the-art vision encoder for image and video understanding trained via simple vision-language learning. Traditionally, vision encoders have relied on a variety of pretraining objectives, each…

Dynamic vision sensors or event cameras provide rich complementary information for video frame interpolation. Existing state-of-the-art methods follow the paradigm of combining both synthesis-based and warping networks. However, few of…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Jiaben Chen , Yichen Zhu , Dongze Lian , Jiaqi Yang , Yifu Wang , Renrui Zhang , Xinhang Liu , Shenhan Qian , Laurent Kneip , Shenghua Gao

Event camera is a novel bio-inspired vision sensor that outputs event stream. In this paper, we propose a novel data fusion algorithm called EAS to fuse conventional intensity images with the event stream. The fusion result is applied to…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Liren Yang

Turbulence is characterised by chaotic dynamics and a high-dimensional state space, which make this phenomenon challenging to predict. However, turbulent flows are often characterised by coherent spatiotemporal structures, such as vortices…

流体动力学 · 物理学 2023-06-21 Nguyen Anh Khoa Doan , Alberto Racca , Luca Magri

Single Photon Avalanche Diode sensor arrays operating in direct time of flight mode can perform 3D imaging using pulsed lasers. Operating at high frame rates, SPAD imagers typically generate large volumes of noisy and largely redundant…

图像与视频处理 · 电气工程与系统科学 2020-01-08 Saeed Afshar , Tara Julia Hamilton , Langdon Davis , Andre van Schaik , Dennis Delic