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Recently, there has been a burst in the number of research projects on human computation via crowdsourcing. Multiple choice (or labeling) questions could be referred to as a common type of problem which is solved by this approach. As an…

Artificial Intelligence · Computer Science 2014-09-04 Jafar Muhammadi , Hamid Reza Rabiee , Abbas Hosseini

Safe and efficient crowd navigation for mobile robot is a crucial yet challenging task. Previous work has shown the power of deep reinforcement learning frameworks to train efficient policies. However, their performance deteriorates when…

Robotics · Computer Science 2019-09-24 Yuying Chen , Congcong Liu , Ming Liu , Bertram E. Shi

In this paper we present a preliminary study for designing interactive systems that are sensible to human emotions based on the body movements. To do so, we first review the literature on the various approaches for defining and…

Human-Computer Interaction · Computer Science 2007-10-04 Alexis Clay , Nadine Couture , Laurence Nigay

Affective sharing within groups strengthens coordination and empathy, leads to better health outcomes, and increases productivity and performance. Existing tools for affective sharing face one main challenge: creating a representation of…

Human-Computer Interaction · Computer Science 2020-10-15 Chao Ying Qin , Marios Constantinides , Luca Maria Aiello , Daniele Quercia

A sentiment analysis system powered by machine learning was created in this study to improve real-time social network public opinion monitoring. For sophisticated sentiment identification, the suggested approach combines cutting-edge…

Computation and Language · Computer Science 2025-02-25 Arsen Tolebay Nurlanuly

Learning-based approaches to modeling crowd motion have become increasingly successful but require training and evaluation on large datasets, coupled with complex model selection and parameter tuning. To circumvent this tremendously…

Machine Learning · Computer Science 2022-11-03 Gang Qiao , Kaidong Hu , Seonghyeon Moon , Samuel S. Sohn , Sejong Yoon , Mubbasir Kapadia , Vladimir Pavlovic

Work in Computational Affective Science and Computational Social Science explores a wide variety of research questions about people, emotions, behavior, and health. Such work often relies on language data that is first labeled with relevant…

Computation and Language · Computer Science 2026-04-03 Jan Philip Wahle , Krishnapriya Vishnubhotla , Bela Gipp , Saif M. Mohammad

Modern methods for counting people in crowded scenes rely on deep networks to estimate people densities in individual images. As such, only very few take advantage of temporal consistency in video sequences, and those that do only impose…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Weizhe Liu , Mathieu Salzmann , Pascal Fua

Crowd counting is a fundamental problem in crowd analysis which is typically accomplished by estimating a crowd density map and summing over the density values. However, this approach suffers from background noise accumulation and loss of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Yasiru Ranasinghe , Nithin Gopalakrishnan Nair , Wele Gedara Chaminda Bandara , Vishal M. Patel

Accurately estimating the number of objects in a single image is a challenging yet meaningful task and has been applied in many applications such as urban planning and public safety. In the various object counting tasks, crowd counting is…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Guangshuai Gao , Junyu Gao , Qingjie Liu , Qi Wang , Yunhong Wang

Background noise and scale variation are common problems that have been long recognized in crowd counting. Humans glance at a crowd image and instantly know the approximate number of human and where they are through attention the crowd…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Yuehai Chen , Jing Yang , Dong Zhang , Kun Zhang , Badong Chen , Shaoyi Du

Collectiveness motions of crowd systems have attracted a great deal of attentions in recently years. In this paper, we try to measure the collectiveness of a crowd system by the proposed node clique learning method. The proposed method is a…

Computer Vision and Pattern Recognition · Computer Science 2016-12-20 Weiya Ren

Generally, crowd datasets can be collected or generated from real or synthetic sources. Real data is generated by using infrastructure-based sensors (such as static cameras or other sensors). The use of simulation tools can significantly…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Paweł Foszner , Agnieszka Szczęsna , Luca Ciampi , Nicola Messina , Adam Cygan , Bartosz Bizoń , Michał Cogiel , Dominik Golba , Elżbieta Macioszek , Michał Staniszewski

Humans express feelings or emotions via different channels. Take language as an example, it entails different sentiments under different visual-acoustic contexts. To precisely understand human intentions as well as reduce the…

Artificial Intelligence · Computer Science 2021-11-17 Ting Wu , Junjie Peng , Wenqiang Zhang , Huiran Zhang , Chuanshuai Ma , Yansong Huang

We present an improved clustering based, unsupervised anomalous trajectory detection algorithm for crowded scenes. The proposed work is based on four major steps, namely, extraction of trajectories from crowded scene video, extraction of…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Deepan Das , Deepak Mishra

Emotion recognition through body movements has emerged as a compelling and privacy-preserving alternative to traditional methods that rely on facial expressions or physiological signals. Recent advancements in 3D skeleton acquisition…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Haifeng Lu , Jiuyi Chen , Zhen Zhang , Ruida Liu , Runhao Zeng , Xiping Hu

Recognizing emotion from speech has become one the active research themes in speech processing and in applications based on human-computer interaction. This paper conducts an experimental study on recognizing emotions from human speech. The…

Sound · Computer Science 2015-06-24 Assel Davletcharova , Sherin Sugathan , Bibia Abraham , Alex Pappachen James

For speech emotion datasets, it has been difficult to acquire large quantities of reliable data and acted emotions may be over the top compared to less expressive emotions displayed in everyday life. Lately, larger datasets with natural…

Computation and Language · Computer Science 2022-07-06 Rosanna Milner , Md Asif Jalal , Raymond W. M. Ng , Thomas Hain

Dog emotion recognition plays a crucial role in enhancing human-animal interactions, veterinary care, and the development of automated systems for monitoring canine well-being. However, accurately interpreting dog emotions is challenging…

Computer Vision and Pattern Recognition · Computer Science 2026-02-18 Jinho Baek , Houwei Cao , Kate Blackwell

Human gait refers to a daily motion that represents not only mobility, but it can also be used to identify the walker by either human observers or computers. Recent studies reveal that gait even conveys information about the walker's…

Human-Computer Interaction · Computer Science 2022-07-19 Shihao Xu , Jing Fang , Xiping Hu , Edith Ngai , Wei Wang , Yi Guo , Victor C. M. Leung