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Video super-resolution (VSR) is a task that aims to reconstruct high-resolution (HR) frames from the low-resolution (LR) reference frame and multiple neighboring frames. The vital operation is to utilize the relative misaligned frames for…

Computer Vision and Pattern Recognition · Computer Science 2022-11-04 Meiqin Liu , Shuo Jin , Chao Yao , Chunyu Lin , Yao Zhao

Wide area surveillance has many applications and tracking of objects under observation is an important task, which often needs high spatio-temporal resolution (HSTR) video for better precision. This paper presents the usage of multiple…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 H. Umut Suluhan , Hasan F. Ates , Bahadir K. Gunturk

Video super-resolution (VSR) aims to reconstruct a high-resolution (HR) video from a low-resolution (LR) counterpart. Achieving successful VSR requires producing realistic HR details and ensuring both spatial and temporal consistency. To…

Image and Video Processing · Electrical Eng. & Systems 2026-01-27 Janghyeok Han , Gyujin Sim , Geonung Kim , Hyun-seung Lee , Kyuha Choi , Youngseok Han , Sunghyun Cho

Event-based Action Recognition (EAR) has attracted significant attention due to the high temporal resolution and high dynamic range of event cameras. However, existing methods typically suffer from (i) the computational redundancy of dense…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Weidong Hao

Human Activity Recognition (HAR) based on the sensors of mobile/wearable devices aims to detect the physical activities performed by humans in their daily lives. Although supervised learning methods are the most effective in this task,…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Sannara Ek , Riccardo Presotto , Gabriele Civitarese , François Portet , Philippe Lalanda , Claudio Bettini

Understanding human actions in wild videos is an important task with a broad range of applications. In this paper we propose a novel approach named Hierarchical Attention Network (HAN), which enables to incorporate static spatial…

Computer Vision and Pattern Recognition · Computer Science 2016-07-22 Yilin Wang , Suhang Wang , Jiliang Tang , Neil O'Hare , Yi Chang , Baoxin Li

With the recent trend for ultra high definition displays, the demand for high quality and efficient video super-resolution (VSR) has become more important than ever. Previous methods adopt complex motion compensation strategies to exploit…

Image and Video Processing · Electrical Eng. & Systems 2019-09-19 Dario Fuoli , Shuhang Gu , Radu Timofte

Event cameras provide sequential visual data with spatial sparsity and high temporal resolution, making them attractive for low-latency object detection. Existing asynchronous event-based neural networks realize this low-latency advantage…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Haiqing Hao , Zhipeng Sui , Rong Zou , Zijia Dai , Nikola Zubić , Davide Scaramuzza , Wenhui Wang

Recognizing an activity with a single reference sample using metric learning approaches is a promising research field. The majority of few-shot methods focus on object recognition or face-identification. We propose a metric learning…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Raphael Memmesheimer , Nick Theisen , Dietrich Paulus

The performance of video action recognition has been significantly boosted by using motion representations within a two-stream Convolutional Neural Network (CNN) architecture. However, there are a few challenging problems in action…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Yalong Jiang

Despite Video Large Language Models having rapidly advanced in recent years, perceptual hallucinations pose a substantial safety risk, which severely restricts their real-world applicability. While several methods for hallucination…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Yiming Sun , Mi Zhang , Feifei Li , Geng Hong , Min Yang

Facial expression recognition (FER) systems in low-resolution settings face significant challenges in accurately identifying expressions due to the loss of fine-grained facial details. This limitation is especially problematic for…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Syed Sameen Ahmad Rizvi , Soham Kumar , Aryan Seth , Pratik Narang

Human activity recognition (HAR) using machine learning has shown tremendous promise in detecting construction workers' activities. HAR has many applications in human-robot interaction research to enable robots' understanding of human…

Robotics · Computer Science 2023-08-30 Farid Shahnavaz , Riley Tavassoli , Reza Akhavian

Image super-resolution (SR) has significantly advanced through the adoption of Transformer architectures. However, conventional techniques aimed at enlarging the self-attention window to capture broader contexts come with inherent…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Chengxing Xie , Xiaoming Zhang , Linze Li , Yuqian Fu , Biao Gong , Tianrui Li , Kai Zhang

Recently, transformers have captured significant interest in the area of single-image super-resolution tasks, demonstrating substantial gains in performance. Current models heavily depend on the network's extensive ability to extract…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Alik Pramanick , Utsav Bheda , Arijit Sur

Recent advances in object detection are mainly driven by deep learning with large-scale detection benchmarks. However, the fully-annotated training set is often limited for a target detection task, which may deteriorate the performance of…

Computer Vision and Pattern Recognition · Computer Science 2018-03-06 Hao Chen , Yali Wang , Guoyou Wang , Yu Qiao

We propose Cross-Attention in Audio, Space, and Time (CA^2ST), a transformer-based method for holistic video recognition. Recognizing actions in videos requires both spatial and temporal understanding, yet most existing models lack a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Jongseo Lee , Joohyun Chang , Dongho Lee , Jinwoo Choi

With the increasing importance of video data in real-world applications, there is a rising need for efficient object detection methods that utilize temporal information. While existing video object detection (VOD) techniques employ various…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Seungjun An , Seonghoon Park , Gyeongnyeon Kim , Jeongyeol Baek , Byeongwon Lee , Seungryong Kim

This paper reviews the video extreme super-resolution challenge associated with the AIM 2020 workshop at ECCV 2020. Common scaling factors for learned video super-resolution (VSR) do not go beyond factor 4. Missing information can be…

We present a new architecture for end-to-end sequence learning of actions in video, we call VideoLSTM. Rather than adapting the video to the peculiarities of established recurrent or convolutional architectures, we adapt the architecture to…

Computer Vision and Pattern Recognition · Computer Science 2016-07-08 Zhenyang Li , Efstratios Gavves , Mihir Jain , Cees G. M. Snoek