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Related papers: Multimodal Learning For Classroom Activity Detecti…

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Speech activity detection (SAD) plays an important role in current speech processing systems, including automatic speech recognition (ASR). SAD is particularly difficult in environments with acoustic noise. A practical solution is to…

Computation and Language · Computer Science 2023-05-15 Fei Tao , Carlos Busso

Observation of classroom interactions can provide concrete feedback to teachers, but current methods rely on manual annotation, which is resource-intensive and hard to scale. This work explores AI-driven analysis of classroom recordings,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Ivo Bueno , Ruikun Hou , Babette Bühler , Tim Fütterer , James Drimalla , Jonathan Kyle Foster , Peter Youngs , Peter Gerjets , Ulrich Trautwein , Enkelejda Kasneci

Student engagement is a key construct for learning and teaching. While most of the literature explored the student engagement analysis on computer-based settings, this paper extends that focus to classroom instruction. To best examine…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Ömer Sümer , Patricia Goldberg , Sidney D'Mello , Peter Gerjets , Ulrich Trautwein , Enkelejda Kasneci

This study presents a novel classroom surveillance system that integrates multiple modalities, including drowsiness, tracking of mobile phone usage, and face recognition,to assess student attentiveness with enhanced precision.The system…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Ameer Hamza , Zuhaib Hussain But , Umar Arif , Samiya , M. Abdullah Asad , Muhammad Naeem

The field of Continual Learning (CL) has inspired numerous researchers over the years, leading to increasingly advanced countermeasures to the issue of catastrophic forgetting. Most studies have focused on the single-class scenario, where…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Martin Menabue , Emanuele Frascaroli , Matteo Boschini , Lorenzo Bonicelli , Angelo Porrello , Simone Calderara

Learning an effective attention mechanism for multimodal data is important in many vision-and-language tasks that require a synergic understanding of both the visual and textual contents. Existing state-of-the-art approaches use…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Zhou Yu , Yuhao Cui , Jun Yu , Dacheng Tao , Qi Tian

This work presents a new multimodal system for remote attention level estimation based on multimodal face analysis. Our multimodal approach uses different parameters and signals obtained from the behavior and physiological processes that…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Roberto Daza , Luis F. Gomez , Aythami Morales , Julian Fierrez , Ruben Tolosana , Ruth Cobos , Javier Ortega-Garcia

It is now well established from a variety of studies that there is a significant benefit from combining video and audio data in detecting active speakers. However, either of the modalities can potentially mislead audiovisual fusion by…

This study proposes a multimodal neural network-based approach to predict segment access frequency in lecture archives. These archives, widely used as supplementary resources in modern education, often consist of long, unedited recordings…

Human-Computer Interaction · Computer Science 2025-04-22 Ruozhu Sheng , Jinghong Li , Shinobu Hasegawa

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

Foundation models for vision have transformed visual recognition with powerful pretrained representations and strong zero-shot capabilities, yet their potential for data-efficient learning remains largely untapped. Active Learning (AL) aims…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Huy Hoang Nguyen , Cédric Jung , Shirin Salehi , Tobias Glück , Anke Schmeink , Andreas Kugi

Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder that is highly prevalent and requires clinical specialists to diagnose. It is known that an individual's viewing behavior, reflected in their eye movements, is…

This paper proposes a novel multi-modal transformer network for detecting actions in untrimmed videos. To enrich the action features, our transformer network utilizes a new multi-modal attention mechanism that computes the correlations…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Matthew Korban , Scott T. Acton , Peter Youngs

The increasing availability and diversity of multimodal data in recommender systems offer new avenues for enhancing recommendation accuracy and user satisfaction. However, these systems must contend with high-dimensional, sparse user-item…

Information Retrieval · Computer Science 2024-12-04 Yasser Khalafaoui , Martino Lovisetto , Basarab Matei , Nistor Grozavu

Active speaker detection (ASD) is a multi-modal task that aims to identify who, if anyone, is speaking from a set of candidates. Current audio-visual approaches for ASD typically rely on visually pre-extracted face tracks (sequences of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-08 Davide Berghi , Adrian Hilton , Philip J. B. Jackson

This paper presents a novel framework for Speech Activity Detection (SAD). Inspired by the recent success of multi-task learning approaches in the speech processing domain, we propose a novel joint learning framework for SAD. We utilise…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-06 Tharindu Fernando , Sridha Sridharan , Mitchell McLaren , Darshana Priyasad , Simon Denman , Clinton Fookes

Autonomous driving systems require huge amounts of data to train. Manual annotation of this data is time-consuming and prohibitively expensive since it involves human resources. Therefore, active learning emerged as an alternative to ease…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Javad Zolfaghari Bengar , Abel Gonzalez-Garcia , Gabriel Villalonga , Bogdan Raducanu , Hamed H. Aghdam , Mikhail Mozerov , Antonio M. Lopez , Joost van de Weijer

Efficient data annotation remains a critical challenge in machine learning, particularly for object detection tasks requiring extensive labeled data. Active learning (AL) has emerged as a promising solution to minimize annotation costs by…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Somraj Gautam , Nachiketa Purohit , Gaurav Harit

The way of understanding online higher education has greatly changed due to the worldwide pandemic situation. Teaching is undertaken remotely, and the faculty incorporate lecture audio recordings as part of the teaching material. This new…

Computation and Language · Computer Science 2024-01-01 Oscar Sapena , Eva Onaindia

Active learning is an important technology for automated machine learning systems. In contrast to Neural Architecture Search (NAS) which aims at automating neural network architecture design, active learning aims at automating training data…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Zhanpeng Feng , Shiliang Zhang , Rinyoichi Takezoe , Wenze Hu , Manmohan Chandraker , Li-Jia Li , Vijay K. Narayanan , Xiaoyu Wang