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Recently, temporal action detection (TAD) has seen significant performance improvement with end-to-end training. However, due to the memory bottleneck, only models with limited scales and limited data volumes can afford end-to-end training,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Shuming Liu , Chen-Lin Zhang , Chen Zhao , Bernard Ghanem

The video based CNN works have focused on effective ways to fuse appearance and motion networks, but they typically lack utilizing temporal information over video frames. In this work, we present a novel spatio-temporal fusion network…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Sangwoo Cho , Hassan Foroosh

Detecting breast lesion in videos is crucial for computer-aided diagnosis. Existing video-based breast lesion detection approaches typically perform temporal feature aggregation of deep backbone features based on the self-attention…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Chao Qin , Jiale Cao , Huazhu Fu , Rao Muhammad Anwer , Fahad Shahbaz Khan

Video understanding tasks have traditionally been modeled by two separate architectures, specially tailored for two distinct tasks. Sequence-based video tasks, such as action recognition, use a video backbone to directly extract…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Yucheng Zhao , Chong Luo , Chuanxin Tang , Dongdong Chen , Noel Codella , Zheng-Jun Zha

Perceptual video quality assessment models are either frame-based or video-based, i.e., they apply spatiotemporal filtering or motion estimation to capture temporal video distortions. Despite their good performance on video quality…

Image and Video Processing · Electrical Eng. & Systems 2018-04-16 Christos G. Bampis , Zhi Li , Alan C. Bovik

Currently, one-stage frameworks have been widely applied for temporal action detection, but they still suffer from the challenge that the action instances span a wide range of time. The reason is that these one-stage detectors, e.g., Single…

Computer Vision and Pattern Recognition · Computer Science 2020-08-10 Xiang Wang , Changxin Gao , Shiwei Zhang , Nong Sang

Face analysis has been studied from different angles to infer emotion, poses, shapes, and landmarks. Traditionally RGB cameras are used, yet for fine-grained tasks standard sensors might not be up to the task due to their latency, making it…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Luca Cultrera , Federico Becattini , Lorenzo Berlincioni , Claudio Ferrari , Alberto Del Bimbo

Enhancing roadway safety has become an essential computer vision focus area for Intelligent Transportation Systems (ITS). As a part of ITS, Vehicle Trajectory Prediction (VTP) aims to forecast a vehicle's future positions based on its past…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Armin Danesh Pazho , Ghazal Alinezhad Noghre , Vinit Katariya , Hamed Tabkhi

Recently vision transformer has achieved tremendous success on image-level visual recognition tasks. To effectively and efficiently model the crucial temporal information within a video clip, we propose a Temporally Efficient Vision…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Shusheng Yang , Xinggang Wang , Yu Li , Yuxin Fang , Jiemin Fang , Wenyu Liu , Xun Zhao , Ying Shan

While large-scale video diffusion models have demonstrated impressive capabilities in generating high-resolution and semantically rich content, a significant gap remains between their pretraining performance and real-world deployment…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Zeyue Xue , Siming Fu , Jie Huang , Shuai Lu , Haoran Li , Yijun Liu , Yuming Li , Xiaoxuan He , Mengzhao Chen , Haoyang Huang , Nan Duan , Ping Luo

Deep-Learning-based video recognition has shown promising improvements along with the development of large-scale datasets and spatiotemporal network architectures. In image recognition, learning spatially invariant features is a key factor…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Taeoh Kim , Hyeongmin Lee , MyeongAh Cho , Ho Seong Lee , Dong Heon Cho , Sangyoun Lee

Video temporal action detection aims to temporally localize and recognize the action in untrimmed videos. Existing one-stage approaches mostly focus on unifying two subtasks, i.e., localization of action proposals and classification of each…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Yupan Huang , Qi Dai , Yutong Lu

This paper presents a novel spatiotemporal transformer network that introduces several original components to detect actions in untrimmed videos. First, the multi-feature selective semantic attention model calculates the correlations…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Matthew Korban , Peter Youngs , Scott T. Acton

Many road accidents occur due to distracted drivers. Today, driver monitoring is essential even for the latest autonomous vehicles to alert distracted drivers in order to take over control of the vehicle in case of emergency. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2019-07-19 Neslihan Kose , Okan Kopuklu , Alexander Unnervik , Gerhard Rigoll

Temporal action localization has recently attracted significant interest in the Computer Vision community. However, despite the great progress, it is hard to identify which aspects of the proposed methods contribute most to the increase in…

Computer Vision and Pattern Recognition · Computer Science 2019-05-30 Tingting Xie , Xiaoshan Yang , Tianzhu Zhang , Changsheng Xu , Ioannis Patras

Visual localization is a fundamental task for various applications including autonomous driving and robotics. Prior methods focus on extracting large amounts of often redundant locally reliable features, resulting in limited efficiency and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Fei Xue , Ignas Budvytis , Roberto Cipolla

A major focus of current research on place recognition is visual localization for autonomous driving. In this scenario, as cameras will be operating continuously, it is realistic to expect videos as an input to visual localization…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Anh-Dzung Doan , Yasir Latif , Tat-Jun Chin , Yu Liu , Shin-Fang Ch'ng , Thanh-Toan Do , Ian Reid

Recent multimodal deepfake detection methods designed for generalization conjecture that single-stage supervised training struggles to generalize across unseen manipulations and datasets. However, such approaches that target generalization…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Ashutosh Anshul , Shreyas Gopal , Deepu Rajan , Eng Siong Chng

We address the task of supervised action segmentation which aims to partition a video into non-overlapping segments, each representing a different action. Recent works apply transformers to perform temporal modeling at the frame-level,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Zijia Lu , Ehsan Elhamifar

Traditional video action detectors typically adopt the two-stage pipeline, where a person detector is first employed to generate actor boxes and then 3D RoIAlign is used to extract actor-specific features for classification. This detection…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Tao Wu , Mengqi Cao , Ziteng Gao , Gangshan Wu , Limin Wang