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The existing state-of-the-art method for audio-visual conditioned video prediction uses the latent codes of the audio-visual frames from a multimodal stochastic network and a frame encoder to predict the next visual frame. However, a direct…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Yating Xu , Conghui Hu , Gim Hee Lee

With advances in data-driven machine learning research, a wide variety of prediction models have been proposed to capture spatio-temporal features for the analysis of video streams. Recognising actions and detecting action transitions…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Harshala Gammulle , David Ahmedt-Aristizabal , Simon Denman , Lachlan Tychsen-Smith , Lars Petersson , Clinton Fookes

There are multiple cues in an image which reveal what action a person is performing. For example, a jogger has a pose that is characteristic for jogging, but the scene (e.g. road, trail) and the presence of other joggers can be an…

Computer Vision and Pattern Recognition · Computer Science 2016-03-28 Georgia Gkioxari , Ross Girshick , Jitendra Malik

Facial Action Coding System is an approach for modeling the complexity of human emotional expression. Automatic action unit (AU) detection is a crucial research area in human-computer interaction. This paper describes our submission to the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Duy Le Hoai , Eunchae Lim , Eunbin Choi , Sieun Kim , Sudarshan Pant , Guee-Sang Lee , Soo-Huyng Kim , Hyung-Jeong Yang

Visual attention has been extensively studied for learning fine-grained features in both facial expression recognition (FER) and Action Unit (AU) detection. A broad range of previous research has explored how to use attention modules to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Xiaotian Li , Zhihua Li , Huiyuan Yang , Geran Zhao , Lijun Yin

Self-attention based Transformer models have demonstrated impressive results for image classification and object detection, and more recently for video understanding. Inspired by this success, we investigate the application of Transformer…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Chenlin Zhang , Jianxin Wu , Yin Li

Temporal action detection (TAD), which locates and recognizes action segments, remains a challenging task in video understanding due to variable segment lengths and ambiguous boundaries. Existing methods treat neighboring contexts of an…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Ning Wang , Yun Xiao , Xiaopeng Peng , Xiaojun Chang , Xuanhong Wang , Dingyi Fang

Action Detection is a complex task that aims to detect and classify human actions in video clips. Typically, it has been addressed by processing fine-grained features extracted from a video classification backbone. Recently, thanks to the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Matteo Tomei , Lorenzo Baraldi , Simone Calderara , Simone Bronzin , Rita Cucchiara

Latent action learning infers pseudo-action labels from visual transitions, providing an approach to leverage internet-scale video for embodied AI. However, most methods learn latent actions without structural priors that encode the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Hangxing Wei , Xiaoyu Chen , Chuheng Zhang , Tim Pearce , Jianyu Chen , Alex Lamb , Li Zhao , Jiang Bian

Existing weakly supervised group activity recognition methods rely on object detectors or attention mechanisms to capture key areas automatically. However, they overlook the semantic information associated with captured areas, which may…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Zhuming Wang , Yihao Zheng , Jiarui Li , Yaofei Wu , Yan Huang , Zun Li , Lifang Wu , Liang Wang

The recognition, involvement, and description of main actors influences the story line of the whole text. This is of higher importance as the text per se represents a flow of words and expressions that once it is read it is lost. In this…

Computation and Language · Computer Science 2008-12-18 T. Rothenberger , S. Oez , E. Tahirovic , C. Schommer

Action recognition in still images has seen major improvement in recent years due to advances in human pose estimation, object recognition and stronger feature representations produced by deep neural networks. However, there are still many…

Computer Vision and Pattern Recognition · Computer Science 2016-02-25 Amir Rosenfeld , Shimon Ullman

When people observe and interact with physical spaces, they are able to associate functionality to regions in the environment. Our goal is to automate dense functional understanding of large spaces by leveraging sparse activity…

Computer Vision and Pattern Recognition · Computer Science 2016-05-06 Nicholas Rhinehart , Kris M. Kitani

Within the field of automated driving, a clear trend in environment perception tends towards more sensors, higher redundancy, and overall increase in computational power. This is mainly driven by the paradigm to perceive the entire…

Robotics · Computer Science 2023-01-27 Matti Henning , Johannes Müller , Fabian Gies , Michael Buchholz , Klaus Dietmayer

Video action detection approaches usually conduct actor-centric action recognition over RoI-pooled features following the standard pipeline of Faster-RCNN. In this work, we first empirically find the recognition accuracy is highly…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Jianchao Wu , Zhanghui Kuang , Limin Wang , Wayne Zhang , Gangshan Wu

Irregular scene text recognition has attracted much attention from the research community, mainly due to the complexity of shapes of text in natural scene. However, recent methods either rely on shape-sensitive modules such as bounding box…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Shangbang Long , Yushuo Guan , Kaigui Bian , Cong Yao

Predicting human interaction is challenging as the on-going activity has to be inferred based on a partially observed video. Essentially, a good algorithm should effectively model the mutual influence between the two interacting subjects.…

Computer Vision and Pattern Recognition · Computer Science 2017-05-29 Yichao Yan , Bingbing Ni , Xiaokang Yang

Weakly supervised object localization has recently attracted attention since it aims to identify both class labels and locations of objects by using image-level labels. Most previous methods utilize the activation map corresponding to the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Seunghan Yang , Yoonhyung Kim , Youngeun Kim , Changick Kim

Human action recognition (HAR) in videos is one of the core tasks of video understanding. Based on video sequences, the goal is to recognize actions performed by humans. While HAR has received much attention in the visible spectrum, action…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Soufiane Lamghari , Guillaume-Alexandre Bilodeau , Nicolas Saunier

Pedestrian attribute recognition has been an emerging research topic in the area of video surveillance. To predict the existence of a particular attribute, it is demanded to localize the regions related to the attribute. However, in this…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Chufeng Tang , Lu Sheng , Zhaoxiang Zhang , Xiaolin Hu