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In recent years, video action recognition, as a fundamental task in the field of video understanding, has been deeply explored by numerous researchers.Most traditional video action recognition methods typically involve converting videos…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Junlin Chen , Chengcheng Xu , Yangfan Xu , Jian Yang , Jun Li , Zhiping Shi

Few-shot image classification aims to classify unseen classes with limited labelled samples. Recent works benefit from the meta-learning process with episodic tasks and can fast adapt to class from training to testing. Due to the limited…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Da Chen , Yuefeng Chen , Yuhong Li , Feng Mao , Yuan He , Hui Xue

This paper studies the problem of real-world video super-resolution (VSR) for animation videos, and reveals three key improvements for practical animation VSR. First, recent real-world super-resolution approaches typically rely on…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Yanze Wu , Xintao Wang , Gen Li , Ying Shan

This paper proposes to learn reliable dense correspondence from videos in a self-supervised manner. Our learning process integrates two highly related tasks: tracking large image regions \emph{and} establishing fine-grained pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Xueting Li , Sifei Liu , Shalini De Mello , Xiaolong Wang , Jan Kautz , Ming-Hsuan Yang

In this paper, we propose a novel video super-resolution method that aims at generating high-fidelity high-resolution (HR) videos from low-resolution (LR) ones. Previous methods predominantly leverage temporal neighbor frames to assist the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Jiyang Yu , Jingen Liu , Liefeng Bo , Tao Mei

Human Activity Recognition has gained significant attention due to its diverse applications, including ambient assisted living and remote sensing. Wearable sensor-based solutions often suffer from user discomfort and reliability issues,…

Designing a technique for the automatic analysis of different actions in videos in order to detect the presence of interested activities is of high significance nowadays. In this paper, we explore a robust and dynamic appearance technique…

Computer Vision and Pattern Recognition · Computer Science 2019-02-21 Abdul Basit

The objective of this paper is self-supervised learning from video, in particular for representations for action recognition. We make the following contributions: (i) We propose a new architecture and learning framework Memory-augmented…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Tengda Han , Weidi Xie , Andrew Zisserman

We propose a novel couple mappings method for low resolution face recognition using deep convolutional neural networks (DCNNs). The proposed architecture consists of two branches of DCNNs to map the high and low resolution face images into…

Computer Vision and Pattern Recognition · Computer Science 2017-06-21 Erfan Zangeneh , Mohammad Rahmati , Yalda Mohsenzadeh

For action recognition learning, 2D CNN-based methods are efficient but may yield redundant features due to applying the same 2D convolution kernel to each frame. Recent efforts attempt to capture motion information by establishing…

Computer Vision and Pattern Recognition · Computer Science 2021-03-24 Mingyu Wu , Boyuan Jiang , Donghao Luo , Junchi Yan , Yabiao Wang , Ying Tai , Chengjie Wang , Jilin Li , Feiyue Huang , Xiaokang Yang

Person re-identification aims to match images of the same person across disjoint camera views, which is a challenging problem in video surveillance. The major challenge of this task lies in how to preserve the similarity of the same person…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Jiayun Wang , Sanping Zhou , Jinjun Wang , Qiqi Hou

Deep learning models have achieved state-of-the- art performance in recognizing human activities, but often rely on utilizing background cues present in typical computer vision datasets that predominantly have a stationary camera. If these…

Robotics · Computer Science 2017-09-20 Fahimeh Rezazadegan , Sareh Shirazi , Ben Upcroft , Michael Milford

Abnormal activity detection is one of the most challenging tasks in the field of computer vision. This study is motivated by the recent state-of-art work of abnormal activity detection, which utilizes both abnormal and normal videos in…

Computer Vision and Pattern Recognition · Computer Science 2020-02-05 Shikha Dubey , Abhijeet Boragule , Moongu Jeon

We propose an approach for forecasting video of complex human activity involving multiple people. Direct pixel-level prediction is too simple to handle the appearance variability in complex activities. Hence, we develop novel intermediate…

Computer Vision and Pattern Recognition · Computer Science 2017-12-07 Mengyao Zhai , Jiacheng Chen , Ruizhi Deng , Lei Chen , Ligeng Zhu , Greg Mori

This work strives for the classification and localization of human actions in videos, without the need for any labeled video training examples. Where existing work relies on transferring global attribute or object information from seen to…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Pascal Mettes , William Thong , Cees G. M. Snoek

Self-supervised detection and segmentation of foreground objects aims for accuracy without annotated training data. However, existing approaches predominantly rely on restrictive assumptions on appearance and motion. For scenes with dynamic…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Isinsu Katircioglu , Helge Rhodin , Jörg Spörri , Mathieu Salzmann , Pascal Fua

State-of-the-art deep neural network models have reached near perfect face recognition accuracy rates on controlled high-resolution face images. However, their performance is drastically degraded when they are tested with very…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Vahid Reza Khazaie , Nicky Bayat , Yalda Mohsenzadeh

Teaching robots dexterous manipulation skills often requires collecting hundreds of demonstrations using wearables or teleoperation, a process that is challenging to scale. Videos of human-object interactions are easier to collect and…

Robotics · Computer Science 2025-08-19 Tyler Ga Wei Lum , Olivia Y. Lee , C. Karen Liu , Jeannette Bohg

Recent anomaly detection algorithms have shown powerful performance by adopting frame predicting autoencoders. However, these methods face two challenging circumstances. First, they are likely to be trained to be excessively powerful,…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Chaewon Park , Minhyeok Lee , MyeongAh Cho , Sangyoun Lee

We study human pose estimation in extremely low-light images. This task is challenging due to the difficulty of collecting real low-light images with accurate labels, and severely corrupted inputs that degrade prediction quality…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Sohyun Lee , Jaesung Rim , Boseung Jeong , Geonu Kim , Byungju Woo , Haechan Lee , Sunghyun Cho , Suha Kwak