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Class Activation Mapping (CAM) has been widely adopted to generate saliency maps which provides visual explanations for deep neural networks (DNNs). The saliency maps are conventionally generated by fusing the channels of the target feature…

Computer Vision and Pattern Recognition · Computer Science 2022-01-24 Guangwu Qian , Zhen-Qun Yang , Xu-Lu Zhang , Yaowei Wang , Qing Li , Xiao-Yong Wei

Class imbalance (CI) is a longstanding problem in machine learning, slowing down training and reducing performances. Although empirical remedies exist, it is often unclear which ones work best and when, due to the lack of an overarching…

Machine Learning · Computer Science 2025-08-06 F. S. Pezzicoli , V. Ros , F. P. Landes , M. Baity-Jesi

Sarcasm detection remains a significant challenge due to its reliance on nuanced contextual understanding, world knowledge, and multi-faceted linguistic cues that vary substantially across different sarcastic expressions. Existing…

Computation and Language · Computer Science 2026-01-27 Ziyang Zhou , Ziqi Liu , Yan Wang , Yiming Lin , Yangbin Chen

Recently, deep learning-based models have been widely studied for click-through rate (CTR) prediction and lead to improved prediction accuracy in many industrial applications. However, current research focuses primarily on building complex…

Machine Learning · Computer Science 2023-07-06 Jieming Zhu , Jinyang Liu , Weiqi Li , Jincai Lai , Xiuqiang He , Liang Chen , Zibin Zheng

In Computer-Supported learning, monitoring and engaging a group of learners is a complex task for teachers, especially when learners are working collaboratively: Are my students motivated? What kind of progress are they making? Should I…

Computers and Society · Computer Science 2016-05-25 Eliana Scheihing , Matthieu Vernier , Javiera Born , Julio Guerra , Luis Carcamo

Visual anomaly detection, an important problem in computer vision, is usually formulated as a one-class classification and segmentation task. The student-teacher (S-T) framework has proved to be effective in solving this challenge. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Xuan Zhang , Shiyu Li , Xi Li , Ping Huang , Jiulong Shan , Ting Chen

The success of speech-image retrieval relies on establishing an effective alignment between speech and image. Existing methods often model cross-modal interaction through simple cosine similarity of the global feature of each modality,…

Computation and Language · Computer Science 2024-09-12 Lifeng Zhou , Yuke Li , Rui Deng , Yuting Yang , Haoqi Zhu

In recent years, artificial intelligence (AI) has become increasingly integrated into education, reshaping traditional learning environments. Despite this, there has been limited investigation into fully operational artificial human…

Human-Computer Interaction · Computer Science 2026-03-31 Ching Christie Pang , Yawei Zhao , Zhizhuo Yin , Jia Sun , Reza Hadi Mogavi , Pan Hui

We study how to train a student deep neural network for visual recognition by distilling knowledge from a blackbox teacher model in a data-efficient manner. Progress on this problem can significantly reduce the dependence on large-scale…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Dongdong Wang , Yandong Li , Liqiang Wang , Boqing Gong

In order for robots and other artificial agents to efficiently learn to perform useful tasks defined by an end user, they must understand not only the goals of those tasks, but also the structure and dynamics of that user's environment.…

Artificial Intelligence · Computer Science 2019-07-22 Robert Loftin , Bei Peng , Matthew E. Taylor , Michael L. Littman , David L. Roberts

Interruption plays a crucial role in collaborative learning, shaping group interactions and influencing knowledge construction. AI-driven support can assist teachers in monitoring these interactions. However, most previous work on…

Computation and Language · Computer Science 2025-07-11 Mariah Bradford , Nikhil Krishnaswamy , Nathaniel Blanchard

High-level 3D scene understanding is essential in many applications. However, the challenges of generating accurate 3D annotations make development of deep learning models difficult. We turn to recent advancements in automatic retrieval of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Yuchen Rao , Stefan Ainetter , Sinisa Stekovic , Vincent Lepetit , Friedrich Fraundorfer

Deep learning models have become an increasingly preferred option for biometric recognition systems, such as speaker recognition. SincNet, a deep neural network architecture, gained popularity in speaker recognition tasks due to its…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-13 Labib Chowdhury , Mustafa Kamal , Najia Hasan , Nabeel Mohammed

At present, the educational data mining community lacks many tools needed for ensuring equitable ability estimation for Neurodivergent (ND) learners. On one hand, most learner models are susceptible to under-estimating ND ability since…

Computers and Society · Computer Science 2022-05-10 Niall Twomey , Sarah McMullan , Anat Elhalal , Rafael Poyiadzi , Luis Vaquero

Like many problems in AI in their general form, supervised learning is computationally intractable. We hypothesize that an important reason humans can learn highly complex and varied concepts, in spite of the computational difficulty, is…

Machine Learning · Computer Science 2019-03-18 Carl Trimbach , Michael Littman

AI-augmented classrooms generate rich teacher and student feedback before graded outcomes become available, yet these signals can be difficult to translate into timely instructional decisions. We propose an interpretable decision layer: a…

Artificial Intelligence · Computer Science 2026-05-29 Junsoo Park , Youssef Medhat , Htet Phyo Wai , Ploy Thajchayapong , Ashok K. Goel

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 advancement of machine learning in audio analysis has opened new possibilities for technology-enhanced music education. This paper introduces a framework for automatic singing mistake detection in the context of music pedagogy,…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-09 Sumit Kumar , Suraj Jaiswal , Parampreet Singh , Vipul Arora

Spatio-temporal action detection (STAD) aims to classify the actions present in a video and localize them in space and time. It has become a particularly active area of research in computer vision because of its explosively emerging…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Peng Wang , Fanwei Zeng , Yuntao Qian

Continual learning aims to provide intelligent agents capable of learning multiple tasks sequentially with neural networks. One of its main challenging, catastrophic forgetting, is caused by the neural networks non-optimal ability to learn…

Machine Learning · Computer Science 2021-01-29 Ghada Sokar , Decebal Constantin Mocanu , Mykola Pechenizkiy