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Recently, event cameras have shown large applicability in several computer vision fields especially concerning tasks that require high temporal resolution. In this work, we investigate the usage of such kind of data for emotion recognition…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Lorenzo Berlincioni , Luca Cultrera , Chiara Albisani , Lisa Cresti , Andrea Leonardo , Sara Picchioni , Federico Becattini , Alberto Del Bimbo

Significant progress has been made for estimating optical flow using deep neural networks. Advanced deep models achieve accurate flow estimation often with a considerable computation complexity and time-consuming training processes. In this…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Lingtong Kong , Jie Yang

Phase-sensitive optical time-domain reflectometry {\Phi}-OTDR has emerged as a promising sensing technology in Internet of Things (IoT) infrastructures, enabling large-scale distributed acoustic sensing (DAS) for real-time monitoring at the…

信号处理 · 电气工程与系统科学 2025-10-31 Xiyang Lan , Xin Li , Yinglei Teng

This paper proposes a two-stream flow-guided convolutional attention networks for action recognition in videos. The central idea is that optical flows, when properly compensated for the camera motion, can be used to guide attention to the…

计算机视觉与模式识别 · 计算机科学 2017-08-31 An Tran , Loong-Fah Cheong

Recently, the image-wise implicit neural representation of videos, NeRV, has gained popularity for its promising results and swift speed compared to regular pixel-wise implicit representations. However, the redundant parameters within the…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Zizhang Li , Mengmeng Wang , Huaijin Pi , Kechun Xu , Jianbiao Mei , Yong Liu

Event cameras are neuromorphic vision sensors that record a scene as sparse and asynchronous event streams. Most event-based methods project events into dense frames and process them using conventional vision models, resulting in high…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Bochen Xie , Yongjian Deng , Zhanpeng Shao , Qingsong Xu , Youfu Li

This paper proposes a Region-based Convolutional Recurrent Neural Network (R-CRNN) for audio event detection (AED). The proposed network is inspired by Faster-RCNN, a well known region-based convolutional network framework for visual object…

声音 · 计算机科学 2018-08-22 Chieh-Chi Kao , Weiran Wang , Ming Sun , Chao Wang

Optical flow provides information on relative motion that is an important component in many computer vision pipelines. Neural networks provide high accuracy optical flow, yet their complexity is often prohibitive for application at the edge…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Yannick Schnider , Stanislaw Wozniak , Mathias Gehrig , Jules Lecomte , Axel von Arnim , Luca Benini , Davide Scaramuzza , Angeliki Pantazi

Large-scale numerical simulations are capable of generating data up to terabytes or even petabytes. As a promising method of data reduction, super-resolution (SR) has been widely studied in the scientific visualization community. However,…

图像与视频处理 · 电气工程与系统科学 2023-08-29 Chenyue Jiao , Chongke Bi , Lu Yang

Present-day Deep Reinforcement Learning (RL) systems show great promise towards building intelligent agents surpassing human-level performance. However, the computational complexity associated with the underlying deep neural networks (DNNs)…

机器学习 · 计算机科学 2021-09-20 Adarsh Kumar Kosta , Malik Aqeel Anwar , Priyadarshini Panda , Arijit Raychowdhury , Kaushik Roy

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

Inspired by frame-based methods, state-of-the-art event-based optical flow networks rely on the explicit construction of correlation volumes, which are expensive to compute and store, rendering them unsuitable for robotic applications with…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Yilun Wu , Federico Paredes-Vallés , Guido C. H. E. de Croon

This study introduces a novel approach to enhance the spatial-temporal resolution of time-event pixels based on luminance changes captured by event cameras. These cameras present unique challenges due to their low resolution and the sparse,…

图像与视频处理 · 电气工程与系统科学 2024-08-14 Waseem Shariff , Joe Lemley , Peter Corcoran

We study the problem of estimating optical flow from event cameras. One important issue is how to build a high-quality event-flow dataset with accurate event values and flow labels. Previous datasets are created by either capturing real…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Xinglong Luo , Kunming Luo , Ao Luo , Zhengning Wang , Ping Tan , Shuaicheng Liu

In contrast to current state-of-the-art methods, such as NSFP [25], which employ deep implicit neural functions for modeling scene flow, we present a novel approach that utilizes classical kernel representations. This representation enables…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Xueqian Li , Simon Lucey

We investigate architectures of discriminatively trained deep Convolutional Networks (ConvNets) for action recognition in video. The challenge is to capture the complementary information on appearance from still frames and motion between…

计算机视觉与模式识别 · 计算机科学 2014-11-13 Karen Simonyan , Andrew Zisserman

Event cameras have shown promise in vision applications like optical flow estimation and stereo matching, with many specialized architectures leveraging the asynchronous and sparse nature of event data. However, existing works only focus…

计算机视觉与模式识别 · 计算机科学 2024-11-25 Pengjie Zhang , Lin Zhu , Xiao Wang , Lizhi Wang , Wanxuan Lu , Hua Huang

Implicit neural representation (INR) embed various signals into neural networks. They have gained attention in recent years because of their versatility in handling diverse signal types. In the context of video, INR achieves video…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Taiga Hayami , Takahiro Shindo , Shunsuke Akamatsu , Hiroshi Watanabe

Understanding the content of events occurring in the video and their inherent temporal logic is crucial for video-text retrieval. However, web-crawled pre-training datasets often lack sufficient event information, and the widely adopted…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Zongyang Ma , Ziqi Zhang , Yuxin Chen , Zhongang Qi , Chunfeng Yuan , Bing Li , Yingmin Luo , Xu Li , Xiaojuan Qi , Ying Shan , Weiming Hu

Implicit Neural Representation (INR) is an innovative approach for representing complex shapes or objects without explicitly defining their geometry or surface structure. Instead, INR represents objects as continuous functions. Previous…

计算机视觉与模式识别 · 计算机科学 2024-04-25 Hanqiu Chen , Hang Yang , Stephen Fitzmeyer , Cong Hao