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In this work, we propose an approach for detecting conversation groups in social scenarios like cocktail parties and networking events, from overhead camera recordings. We posit the detection of conversation groups as a learning problem…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Stephanie Tan , David M. J. Tax , Hayley Hung

We propose a data-driven approach to detect conversational groups by identifying spatial arrangements typical of these focused social encounters. Our approach uses a novel Deep Affinity Network (DANTE) to predict the likelihood that two…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Mason Swofford , John Charles Peruzzi , Nathan Tsoi , Sydney Thompson , Roberto Martín-Martín , Silvio Savarese , Marynel Vázquez

Our work proposes a novel deep learning framework for estimating crowd density from static images of highly dense crowds. We use a combination of deep and shallow, fully convolutional networks to predict the density map for a given crowd…

Computer Vision and Pattern Recognition · Computer Science 2016-08-23 Lokesh Boominathan , Srinivas S S Kruthiventi , R. Venkatesh Babu

Effective mining of social media, which consists of a large number of users is a challenging task. Traditional approaches rely on the analysis of text data related to users to accomplish this task. However, text data lacks significant…

Social and Information Networks · Computer Science 2020-07-30 Syed Afaq Ali Shah , Weifeng Deng , Jianxin Li , Muhammad Aamir Cheema , Abdul Bais

Group activity detection in multi-person scenes is challenging due to complex human interactions, occlusions, and variations in appearance over time. This work presents a computer vision based framework for group activity recognition and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Narthana Sivalingam , Santhirarajah Sivasthigan , Thamayanthi Mahendranathan , G. M. R. I. Godaliyadda , M. P. B. Ekanayake , H. M. V. R. Herath

A detailed environment perception is a crucial component of automated vehicles. However, to deal with the amount of perceived information, we also require segmentation strategies. Based on a grid map environment representation, well-suited…

Computer Vision and Pattern Recognition · Computer Science 2018-12-06 Sascha Wirges , Tom Fischer , Jesus Balado Frias , Christoph Stiller

Detection of groups of interacting people is a very interesting and useful task in many modern technologies, with application fields spanning from video-surveillance to social robotics. In this paper we first furnish a rigorous definition…

Computer Vision and Pattern Recognition · Computer Science 2017-02-08 Francesco Setti , Chris Russell , Chiara Bassetti , Marco Cristani

In this paper, we propose an end-to-end group-wise deep co-saliency detection approach to address the co-salient object discovery problem based on the fully convolutional network (FCN) with group input and group output. The proposed…

Computer Vision and Pattern Recognition · Computer Science 2017-07-26 Lina Wei , Shanshan Zhao , Omar El Farouk Bourahla , Xi Li , Fei Wu

Traditional approaches to building a large scale knowledge graph have usually relied on extracting information (entities, their properties, and relations between them) from unstructured text (e.g. Dbpedia). Recent advances in Convolutional…

Artificial Intelligence · Computer Science 2017-06-15 Mandar Haldekar , Ashwinkumar Ganesan , Tim Oates

The growing demand for high-resolution maps across various applications has underscored the necessity of accurately segmenting building vectors from overhead imagery. However, current deep neural networks often produce raster data outputs,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Mohammad Moein Sheikholeslami , Muhammad Kamran , Andreas Wichmann , Gunho Sohn

The superior performance of deep convolutional networks over high-dimensional problems have made them very popular for several applications. Despite their wide adoption, their underlying mechanisms still remain unclear with their…

Computer Vision and Pattern Recognition · Computer Science 2018-10-23 Angelos Amanatiadis , Vasileios Kaburlasos , Elias Kosmatopoulos

This paper proposes a novel point-cloud-based place recognition system that adopts a deep learning approach for feature extraction. By using a convolutional neural network pre-trained on color images to extract features from a range image…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Ting Sun , Ming Liu , Haoyang Ye , Dit-Yan Yeung

This paper presents a novel architecture to detect social groups in real-time from a continuous image stream of an ego-vision camera. F-formation defines social orientations in space where two or more person tends to communicate in a social…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Hrishav Bakul Barua , Pradip Pramanick , Chayan Sarkar , Theint Haythi Mg

Artificial neural networks have recently shown great results in many disciplines and a variety of applications, including natural language understanding, speech processing, games and image data generation. One particular application in…

Computer Vision and Pattern Recognition · Computer Science 2018-03-07 Felix Altenberger , Claus Lenz

We study the problem of detecting talking activities in collaborative learning videos. Our approach uses head detection and projections of the log-magnitude of optical flow vectors to reduce the problem to a simple classification of small…

Computer Vision and Pattern Recognition · Computer Science 2021-10-18 Wenjing Shi , Marios S. Pattichis , Sylvia Celedón-Pattichis , Carlos LópezLeiva

Deep learning architectures are showing great promise in various computer vision domains including image classification, object detection, event detection and action recognition. In this study, we investigate various aspects of…

Computer Vision and Pattern Recognition · Computer Science 2016-08-08 Hilal Ergun , Mustafa Sert

We train generative 'up-convolutional' neural networks which are able to generate images of objects given object style, viewpoint, and color. We train the networks on rendered 3D models of chairs, tables, and cars. Our experiments show that…

Computer Vision and Pattern Recognition · Computer Science 2017-08-04 Alexey Dosovitskiy , Jost Tobias Springenberg , Maxim Tatarchenko , Thomas Brox

An evolving area of research in deep learning is the study of architectures and inductive biases that support the learning of relational feature representations. In this paper, we address the challenge of learning representations of…

Machine Learning · Computer Science 2024-09-30 Awni Altabaa , John Lafferty

This paper presents a novel keypoints-based attention mechanism for visual recognition in still images. Deep Convolutional Neural Networks (CNNs) for recognizing images with distinctive classes have shown great success, but their…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Asish Bera , Zachary Wharton , Yonghuai Liu , Nik Bessis , Ardhendu Behera

Convolutional neural nets (convnets) trained from massive labeled datasets have substantially improved the state-of-the-art in image classification and object detection. However, visual understanding requires establishing correspondence on…

Computer Vision and Pattern Recognition · Computer Science 2015-03-10 Jonathan Long , Ning Zhang , Trevor Darrell
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