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The goal of this paper is to discover, segment, and track independently moving objects in complex visual scenes. Previous approaches have explored the use of optical flow for motion segmentation, leading to imperfect predictions due to…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Junyu Xie , Weidi Xie , Andrew Zisserman

Visual content has become the primary source of information, as evident in the billions of images and videos, shared and uploaded on the Internet every single day. This has led to an increase in alterations in images and videos to make them…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Prabhat Kumar , Mayank Vatsa , Richa Singh

In this paper, we introduce a deep learning solution for video activity recognition that leverages an innovative combination of convolutional layers with a linear-complexity attention mechanism. Moreover, we introduce a novel quantization…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Gabriele Lagani , Fabrizio Falchi , Claudio Gennaro , Giuseppe Amato

A dynamic scene has two types of elements: those that move fluidly and can be predicted from previous frames, and those which are disoccluded (exposed) and cannot be extrapolated. Prior approaches to video prediction typically learn either…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Hang Gao , Huazhe Xu , Qi-Zhi Cai , Ruth Wang , Fisher Yu , Trevor Darrell

Optimizing video inference efficiency has become increasingly important with the growing demand for video analysis in various fields. Some existing methods achieve high efficiency by explicit discard of spatial or temporal information,…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Rui Deng , Qian Wu , Yuke Li , Haoran Fu

Inspired by the recent development of deep network-based methods in semantic image segmentation, we introduce an end-to-end trainable model for face mask extraction in video sequence. Comparing to landmark-based sparse face shape…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Yujiang Wang , Bingnan Luo , Jie Shen , Maja Pantic

Unmanned Aerial Vehicles (UAVs) are crucial in Search and Rescue (SAR) missions due to their ability to monitor vast maritime areas. However, small objects often remain difficult to detect from high altitudes due to low object-to-background…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Sakib Ahmed , Oscar Pizarro

In this paper, we describe a simple strategy for mitigating variability in temporal data series by shifting focus onto long-term, frequency domain features that are less susceptible to variability. We apply this method to the human action…

计算机视觉与模式识别 · 计算机科学 2014-09-04 Anh Tran , Jinyan Guan , Thanima Pilantanakitti , Paul Cohen

Diversity of the features extracted by deep neural networks is important for enhancing the model generalization ability and accordingly its performance in different learning tasks. Facial expression recognition in the wild has attracted…

计算机视觉与模式识别 · 计算机科学 2023-02-21 Negar Heidari , Alexandros Iosifidis

In this work we propose a novel neural network architecture for the problem of human action recognition in videos. The proposed architecture expresses the processing steps of classical Fisher vector approaches, that is dimensionality…

计算机视觉与模式识别 · 计算机科学 2017-07-20 Petar Palasek , Ioannis Patras

Recognizing human actions in video sequences, known as Human Action Recognition (HAR), is a challenging task in pattern recognition. While Convolutional Neural Networks (ConvNets) have shown remarkable success in image recognition, they are…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Nguyen Huu Phong , Bernardete Ribeiro

Action recognition, an essential component of computer vision, plays a pivotal role in multiple applications. Despite significant improvements brought by Convolutional Neural Networks (CNNs), these models suffer performance declines when…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Xingyu Song , Zhan Li , Shi Chen , Xin-Qiang Cai , Kazuyuki Demachi

With the wide application of face recognition systems, there is rising concern that original face images could be exposed to malicious intents and consequently cause personal privacy breaches. This paper presents DuetFace, a novel…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Yuxi Mi , Yuge Huang , Jiazhen Ji , Hongquan Liu , Xingkun Xu , Shouhong Ding , Shuigeng Zhou

Understanding human actions in videos requires more than raw pixel analysis; it relies on high-level semantic reasoning and effective integration of multimodal features. We propose a deep translational action recognition framework that…

计算机视觉与模式识别 · 计算机科学 2025-06-26 Lei Wang , Piotr Koniusz

Recent advances in neural radiation fields (NeRF) and 3D Gaussian-based SLAM have achieved impressive localization accuracy and high-quality dense mapping in static scenes. However, these methods remain challenged in dynamic environments,…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Wenhua Wu , Chenpeng Su , Siting Zhu , Tianchen Deng , Jianhao Jiao , Guangming Wang , Dimitrios Kanoulas , Zhe Liu , Hesheng Wang

Distributed radar sensors enable robust human activity recognition. However, scaling the number of coordinated nodes introduces challenges in feature extraction from large datasets, and transparent data fusion. We propose an end-to-end…

信号处理 · 电气工程与系统科学 2026-01-07 Mina Shahbazifar , Zolfa Zeinalpour-Yazdi , Matthias Hollick , Arash Asadi , Vahid Jamali

Effective interaction modeling and behavior prediction of dynamic agents play a significant role in interactive motion planning for autonomous robots. Although existing methods have improved prediction accuracy, few research efforts have…

机器人学 · 计算机科学 2024-01-09 Victoria M. Dax , Jiachen Li , Enna Sachdeva , Nakul Agarwal , Mykel J. Kochenderfer

Independent components within low-dimensional representations are essential inputs in several downstream tasks, and provide explanations over the observed data. Video-based disentangled factors of variation provide low-dimensional…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Juan F. Hernández Albarracín , Adín Ramírez Rivera

Human action recognition is an important problem in computer vision. It has a wide range of applications in surveillance, human-computer interaction, augmented reality, video indexing, and retrieval. The varying pattern of spatio-temporal…

计算机视觉与模式识别 · 计算机科学 2020-09-03 Yogesh S Rawat , Shruti Vyas

Popular deep models for action recognition in videos generate independent predictions for short clips, which are then pooled heuristically to assign an action label to the full video segment. As not all frames may characterize the…

计算机视觉与模式识别 · 计算机科学 2018-04-02 Jue Wang , Anoop Cherian , Fatih Porikli , Stephen Gould