English
Related papers

Related papers: A Clustering-Based Method for Automatic Educationa…

200 papers

The seen birds twitter, the running cars accompany with noise, etc. These naturally audiovisual correspondences provide the possibilities to explore and understand the outside world. However, the mixed multiple objects and sounds make it…

Computer Vision and Pattern Recognition · Computer Science 2019-04-22 Di Hu , Feiping Nie , Xuelong Li

Deep learning algorithms have pushed the boundaries of computer vision research and have depicted commendable performance in a variety of applications. However, training a robust deep neural network necessitates a large amount of labeled…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Debanjan Goswami , Shayok Chakraborty

This paper presents a novel method for face clustering in videos using a video-centralised transformer. Previous works often employed contrastive learning to learn frame-level representation and used average pooling to aggregate the…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Yujiang Wang , Mingzhi Dong , Jie Shen , Yiming Luo , Yiming Lin , Pingchuan Ma , Stavros Petridis , Maja Pantic

Despite the success of deep learning in video understanding tasks, processing every frame in a video is computationally expensive and often unnecessary in real-time applications. Frame selection aims to extract the most informative and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Mingjun Zhao , Yakun Yu , Xiaoli Wang , Lei Yang , Di Niu

We propose a cross-media lecture-on-demand system, in which users can selectively view specific segments of lecture videos by submitting text queries. Users can easily formulate queries by using the textbook associated with a target…

Computation and Language · Computer Science 2007-05-23 Atsushi Fujii , Katunobu Itou , Tomoyosi Akiba , Tetsuya Ishikawa

A good clustering algorithm can discover natural groupings in data. These groupings, if used wisely, provide a form of weak supervision for learning representations. In this work, we present Clustering-based Contrastive Learning (CCL), a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Vivek Sharma , Makarand Tapaswi , M. Saquib Sarfraz , Rainer Stiefelhagen

We present a new method for segmenting, and a new user interface for indexing and visualizing, the semantic content of extended instructional videos. Given a series of key frames from the video, we generate a condensed view of the data by…

Information Retrieval · Computer Science 2007-05-23 Alexander Haubold , John R. Kender

Video recommendation has become an essential way of helping people explore the massive videos and discover the ones that may be of interest to them. In the existing video recommender systems, the models make the recommendations based on the…

Information Retrieval · Computer Science 2018-12-06 Xingzhong Du , Hongzhi Yin , Ling Chen , Yang Wang , Yi Yang , Xiaofang Zhou

Recently, multiple applications of machine learning have been introduced. They include various possibilities arising when image analysis methods are applied to, broadly understood, video streams. In this context, a novel tool, developed for…

Artificial Intelligence · Computer Science 2025-01-07 Anna Wróblewska , Marcel Witas , Kinga Frańczak , Arkadiusz Kniaź , Siew Ann Cheong , Tan Seng Chee , Janusz Hołyst , Marcin Paprzycki

AutoClustering methods aim to automate unsupervised learning tasks, including algorithm selection (AS), hyperparameter optimization (HPO), and pipeline synthesis (PS), by often leveraging meta-learning over dataset meta-features. While…

Machine Learning · Computer Science 2026-02-23 Matheus Camilo da Silva , Leonardo Arrighi , Ana Carolina Lorena , Sylvio Barbon Junior

Clustering traditionally aims to reveal a natural grouping structure within unlabeled data. However, this structure may not always align with users' preferences. In this paper, we propose a personalized clustering method that explicitly…

Machine Learning · Computer Science 2025-05-28 Xiwen Geng , Suyun Zhao , Yixin Yu , Borui Peng , Pan Du , Hong Chen , Cuiping Li , Mengdie Wang

Understanding videos such as TV series and movies requires analyzing who the characters are and what they are doing. We address the challenging problem of clustering face tracks based on their identity. Different from previous work in this…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Makarand Tapaswi , Marc T. Law , Sanja Fidler

Unsupervised video class incremental learning (uVCIL) represents an important learning paradigm for learning video information without forgetting, and without considering any data labels. Prior approaches have focused on supervised…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Nattapong Kurpukdee , Adrian G. Bors

Automatic keyframe detection from videos is an exercise in selecting scenes that can best summarize the content for long videos. Providing a summary of the video is an important task to facilitate quick browsing and content summarization.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Samed Arslan , Senem Tanberk

The majority of existing recommender systems rely on user ratings, which are limited by the lack of user collaboration and the sparsity problem. To address these issues, this study proposes a behavior-based recommender system that leverages…

Information Retrieval · Computer Science 2024-03-28 Reza Barzegar Nozari , Mahdi Divsalar , Sepehr Akbarzadeh Abkenar , Mohammadreza Fadavi Amiri , Ali Divsalar

Educational recommenders have received much less attention in comparison to e-commerce and entertainment-related recommenders, even though efficient intelligent tutors have great potential to improve learning gains. One of the main…

Information Retrieval · Computer Science 2021-09-15 Sahan Bulathwela , Maria Perez-Ortiz , Erik Novak , Emine Yilmaz , John Shawe-Taylor

Understanding emotions in videos is a challenging task. However, videos contain several modalities which make them a rich source of data for machine learning and deep learning tasks. In this work, we aim to improve video sentiment…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Mehrshad Saadatinia , Minoo Ahmadi , Armin Abdollahi

A large part of the current success of deep learning lies in the effectiveness of data -- more precisely: labelled data. Yet, labelling a dataset with human annotation continues to carry high costs, especially for videos. While in the image…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Yuki M. Asano , Mandela Patrick , Christian Rupprecht , Andrea Vedaldi

Face recognition in collaborative learning videos presents many challenges. In collaborative learning videos, students sit around a typical table at different positions to the recording camera, come and go, move around, get partially or…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Phuong Tran , Marios Pattichis , Sylvia Celedón-Pattichis , Carlos LópezLeiva

Despite tremendous advancements in Artificial Intelligence, learning from large sets of data in an unsupervised manner remains a significant challenge. Classical clustering algorithms often fail to discover complex dependencies in large…

Machine Learning · Computer Science 2023-07-18 Adam Piróg , Halina Kwaśnicka