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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

Deep learning has shown remarkable progress in a wide range of problems. However, efficient training of such models requires large-scale datasets, and getting annotations for such datasets can be challenging and costly. In this work, we…

Multimedia · Computer Science 2021-10-14 Mohit Sharma , Raj Patra , Harshal Desai , Shruti Vyas , Yogesh Rawat , Rajiv Ratn Shah

In video lane detection, there are rich temporal contexts among successive frames, which is under-explored in existing lane detectors. In this work, we propose LaneTCA to bridge the individual video frames and explore how to effectively…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Keyi Zhou , Li Li , Wengang Zhou , Yonghui Wang , Hao Feng , Houqiang Li

Tiny Actions Challenge focuses on understanding human activities in real-world surveillance. Basically, there are two main difficulties for activity recognition in this scenario. First, human activities are often recorded at a distance, and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Boyu Chen , Yu Qiao , Yali Wang

Temporal repetition counting aims to quantify the repeated action cycles within a video. The majority of existing methods rely on the similarity correlation matrix to characterize the repetitiveness of actions, but their scalability is…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Xiaoxuan Ma , Zishi Li , Qiuyan Shang , Wentao Zhu , Hai Ci , Yu Qiao , Yizhou Wang

Spatio-temporal action detection in videos requires localizing the action both spatially and temporally in the form of an "action tube". Nowadays, most spatio-temporal action detection datasets (e.g. UCF101-24, AVA, DALY) are annotated with…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Huijuan Xu , Lizhi Yang , Stan Sclaroff , Kate Saenko , Trevor Darrell

Annotated datasets have become one of the most crucial preconditions for the development and evaluation of machine learning-based methods designed for the automated interpretation of remote sensing data. In this paper, we review the…

Machine Learning · Computer Science 2021-06-18 Michael Schmitt , Seyed Ali Ahmadi , Ronny Hänsch

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

Cloud gaming has gained popularity as it provides high-quality gaming experiences on thin hardware, such as phones and tablets. Transmitting gameplay frames at high resolutions and ultra-low latency is the key to guaranteeing players'…

Databases · Computer Science 2025-08-11 Hongqin Lei , Haowei Tang , Zhe Zhang

The recent successes in applying deep learning techniques to solve standard computer vision problems has aspired researchers to propose new computer vision problems in different domains. As previously established in the field, training data…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Mehran Khodabandeh , Hamid Reza Vaezi Joze , Ilya Zharkov , Vivek Pradeep

We propose a method for learning from streaming visual data using a compact, constant size representation of all the data that was seen until a given moment. Specifically, we construct a 'coreset' representation of streaming data using a…

Computer Vision and Pattern Recognition · Computer Science 2015-11-20 Abhimanyu Dubey , Nikhil Naik , Dan Raviv , Rahul Sukthankar , Ramesh Raskar

Action recognition in videos is a challenging task due to the complexity of the spatio-temporal patterns to model and the difficulty to acquire and learn on large quantities of video data. Deep learning, although a breakthrough for image…

Computer Vision and Pattern Recognition · Computer Science 2016-08-26 César Roberto de Souza , Adrien Gaidon , Eleonora Vig , Antonio Manuel López

Multi-view action clustering leverages the complementary information from different camera views to enhance the clustering performance. Although existing approaches have achieved significant progress, they assume all camera views are…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Xiaoqiang Yan , Yingtao Gan , Yiqiao Mao , Yangdong Ye , Hui Yu

Despite excellent progress has been made, the performance on action recognition still heavily relies on specific datasets, which are difficult to extend new action classes due to labor-intensive labeling. Moreover, the high diversity in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-18 Xiaoyuan Ni , Sizhe Song , Yu-Wing Tai , Chi-Keung Tang

Many videos depict people, and it is their interactions that inform us of their activities, relation to one another and the cultural and social setting. With advances in human action recognition, researchers have begun to address the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Alexandros Stergiou , Ronald Poppe

The task of action recognition or action detection involves analyzing videos and determining what action or motion is being performed. The primary subject of these videos are predominantly humans performing some action. However, this…

Computer Vision and Pattern Recognition · Computer Science 2019-01-29 Amlaan Bhoi

For many years, multi-object tracking benchmarks have focused on a handful of categories. Motivated primarily by surveillance and self-driving applications, these datasets provide tracks for people, vehicles, and animals, ignoring the vast…

Computer Vision and Pattern Recognition · Computer Science 2020-05-22 Achal Dave , Tarasha Khurana , Pavel Tokmakov , Cordelia Schmid , Deva Ramanan

This work presents the first condensation approach for procedural video datasets used in temporal action segmentation. We propose a condensation framework that leverages generative prior learned from the dataset and network inversion to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Guodong Ding , Rongyu Chen , Angela Yao

Unlike images or videos data which can be easily labeled by human being, sensor data annotation is a time-consuming process. However, traditional methods of human activity recognition require a large amount of such strictly labeled data for…

Machine Learning · Computer Science 2019-07-02 Kun Wang , Jun He , Lei Zhang

This paper aims at recognizing partially observed human actions in videos. Action videos acquired in uncontrolled environments often contain corrupt frames, which make actions partially observed. Furthermore, these frames can last for…

Computer Vision and Pattern Recognition · Computer Science 2018-12-06 Shih-Yao Lin , Yen-Yu Lin , Chu-Song Chen , Yi-Ping Hung