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相关论文: Frequency-aware Event Cloud Network

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Recent years have witnessed the success of the deep learning-based technique in research of no-reference point cloud quality assessment (NR-PCQA). For a more accurate quality prediction, many previous studies have attempted to capture…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Yujie Zhang , Qi Yang , Ziyu Shan , Yiling Xu

Tracking any point based on image frames is constrained by frame rates, leading to instability in high-speed scenarios and limited generalization in real-world applications. To overcome these limitations, we propose an image-event fusion…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Jiaxiong Liu , Bo Wang , Zhen Tan , Jinpu Zhang , Hui Shen , Dewen Hu

Point cloud video perception has become an essential task for the realm of 3D vision. Current 4D representation learning techniques typically engage in iterative processing coupled with dense query operations. Although effective in…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Jie Wang , Tingfa Xu , Lihe Ding , Xinjie Zhang , Long Bai , Jianan Li

The current event cameras are bio-inspired sensors that respond to brightness changes in the scene asynchronously and independently for every pixel, and transmit these changes as ternary event streams. Event cameras have several benefits…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Eero Lehtonen , Tuomo Komulainen , Ari Paasio , Mika Laiho

Existing RGB-Event visual object tracking approaches primarily rely on conventional feature-level fusion, failing to fully exploit the unique advantages of event cameras. In particular, the high dynamic range and motion-sensitive nature of…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Shiao Wang , Xiao Wang , Haonan Zhao , Jiarui Xu , Bo Jiang , Lin Zhu , Xin Zhao , Yonghong Tian , Jin Tang

Event-based vision sensors, inspired by biological neural systems, asynchronously capture local pixel-level intensity changes as a sparse event stream containing position, polarity, and timestamp information. These neuromorphic sensors…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Tiantian Xie , Pengpai Wang , Rosa H. M. Chan

Current Event Stream Super-Resolution (ESR) methods overlook the redundant and complementary information present in positive and negative events within the event stream, employing a direct mixing approach for super-resolution, which may…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Quanmin Liang , Zhilin Huang , Xiawu Zheng , Feidiao Yang , Jun Peng , Kai Huang , Yonghong Tian

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

The utilisation of event cameras represents an important and swiftly evolving trend aimed at addressing the constraints of traditional video systems. Particularly within the automotive domain, these cameras find significant relevance for…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Kamil Jeziorek , Piotr Wzorek , Krzysztof Blachut , Andrea Pinna , Tomasz Kryjak

In this paper, we explore the problem of event-based meshflow estimation, a novel task that involves predicting a spatially smooth sparse motion field from event cameras. To start, we review the state-of-the-art in event-based flow…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Xinglong Luo , Ao Luo , Kunming Luo , Zhengning Wang , Ping Tan , Bing Zeng , Shuaicheng Liu

Considering the spectral properties of images, we propose a new self-attention mechanism with highly reduced computational complexity, up to a linear rate. To better preserve edges while promoting similarity within objects, we propose…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Fengyu Zhang , Ashkan Panahi , Guangjun Gao

Interpreting human actions requires understanding the spatial and temporal context of the scenes. State-of-the-art action detectors based on Convolutional Neural Network (CNN) have demonstrated remarkable results by adopting two-stream or…

计算机视觉与模式识别 · 计算机科学 2021-03-01 Yu Liu , Fan Yang , Dominique Ginhac

Event cameras offer promising properties, such as high temporal resolution and high dynamic range. These benefits have been utilized into many machine vision tasks, especially optical flow estimation. Currently, most existing event-based…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Hao Zhuang , Xinjie Huang , Kuanxu Hou , Delei Kong , Chenming Hu , Zheng Fang

Event-based cameras have recently drawn the attention of the Computer Vision community thanks to their advantages in terms of high temporal resolution, low power consumption and high dynamic range, compared to traditional frame-based…

计算机视觉与模式识别 · 计算机科学 2018-03-22 Amos Sironi , Manuele Brambilla , Nicolas Bourdis , Xavier Lagorce , Ryad Benosman

In frame-based vision, object detection faces substantial performance degradation under challenging conditions due to the limited sensing capability of conventional cameras. Event cameras output sparse and asynchronous events, providing a…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Hu Cao , Zehua Zhang , Yan Xia , Xinyi Li , Jiahao Xia , Guang Chen , Alois Knoll

In the field of resource-constrained robots and the need for effective place recognition in multi-robotic systems, this article introduces RecNet, a novel approach that concurrently addresses both challenges. The core of RecNet's…

机器人学 · 计算机科学 2024-10-04 Nikolaos Stathoulopoulos , Mario A. V. Saucedo , Anton Koval , George Nikolakopoulos

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

Point cloud segmentation is one of the most important tasks in computer vision with widespread scientific, industrial, and commercial applications. The research thereof has resulted in many breakthroughs in 3D object and scene…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Dening Lu , Jun Zhou , Kyle Yilin Gao , Dilong Li , Jing Du , Linlin Xu , Jonathan Li

Traditionally, video is structured as a sequence of discrete image frames. Recently, however, a novel video sensing paradigm has emerged which eschews video frames entirely. These "event" sensors aim to mimic the human vision system with…

多媒体 · 计算机科学 2024-08-13 Andrew Freeman

Event cameras are innovative neuromorphic sensors that asynchronously capture the scene dynamics. Due to the event-triggering mechanism, such cameras record event streams with much shorter response latency and higher intensity sensitivity…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Yunhao Zou , Ying Fu , Tsuyoshi Takatani , Yinqiang Zheng