中文
相关论文

相关论文: Multimodal Learning For Classroom Activity Detecti…

200 篇论文

This paper introduces an active learning (AL) framework for anomalous sound detection (ASD) in machine condition monitoring system. Typically, ASD models are trained solely on normal samples due to the scarcity of anomalous data, leading to…

声音 · 计算机科学 2024-08-13 Tuan Vu Ho , Kota Dohi , Yohei Kawaguchi

Prior approaches to lead instrument detection primarily analyze mixture audio, limited to coarse classifications and lacking generalization ability. This paper presents a novel approach to lead instrument detection in multitrack music audio…

声音 · 计算机科学 2025-03-06 Longshen Ou , Yu Takahashi , Ye Wang

Accurate and robust detection of multi-class objects in optical remote sensing images is essential to many real-world applications such as urban planning, traffic control, searching and rescuing, etc. However, state-of-the-art object…

计算机视觉与模式识别 · 计算机科学 2020-01-08 Gongjie Zhang , Shijian Lu , Wei Zhang

In-context learning based on attention models is examined for data with categorical outcomes, with inference in such models viewed from the perspective of functional gradient descent (GD). We develop a network composed of attention blocks,…

机器学习 · 统计学 2025-05-08 Aaron T. Wang , William Convertino , Xiang Cheng , Ricardo Henao , Lawrence Carin

When watching videos, the occurrence of a visual event is often accompanied by an audio event, e.g., the voice of lip motion, the music of playing instruments. There is an underlying correlation between audio and visual events, which can be…

多媒体 · 计算机科学 2020-08-19 Ying Cheng , Ruize Wang , Zhihao Pan , Rui Feng , Yuejie Zhang

We introduce Neural Contextual Anomaly Detection (NCAD), a framework for anomaly detection on time series that scales seamlessly from the unsupervised to supervised setting, and is applicable to both univariate and multivariate time series.…

机器学习 · 计算机科学 2021-07-19 Chris U. Carmona , François-Xavier Aubet , Valentin Flunkert , Jan Gasthaus

Multivariate time series anomaly detection (MTAD) plays a vital role in a wide variety of real-world application domains. Over the past few years, MTAD has attracted rapidly increasing attention from both academia and industry. Many deep…

机器学习 · 计算机科学 2023-06-13 Feng Xia , Xin Chen , Shuo Yu , Mingliang Hou , Mujie Liu , Linlin You

Active learning approaches in computer vision generally involve querying strong labels for data. However, previous works have shown that weak supervision can be effective in training models for vision tasks while greatly reducing annotation…

计算机视觉与模式识别 · 计算机科学 2019-10-16 Sai Vikas Desai , Akshay L Chandra , Wei Guo , Seishi Ninomiya , Vineeth N Balasubramanian

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,…

计算与语言 · 计算机科学 2024-09-12 Lifeng Zhou , Yuke Li , Rui Deng , Yuting Yang , Haoqi Zhu

Classroom discourse is an essential vehicle through which teaching and learning take place. Assessing different characteristics of discursive practices and linking them to student learning achievement enhances the understanding of teaching…

计算机与社会 · 计算机科学 2025-05-14 Ruikun Hou , Babette Bühler , Tim Fütterer , Efe Bozkir , Peter Gerjets , Ulrich Trautwein , Enkelejda Kasneci

Teachers' visual attention and its distribution across the students in classrooms can constitute important implications for student engagement, achievement, and professional teacher training. Despite that, inferring the information about…

计算机视觉与模式识别 · 计算机科学 2025-09-26 Efe Bozkir , Christian Kosel , Tina Seidel , Enkelejda Kasneci

Machine learning has emerged as a promising paradigm for enabling connected, automated vehicles to autonomously cruise the streets and react to unexpected situations. A key challenge, however, is to collect and select real-time and reliable…

网络与互联网体系结构 · 计算机科学 2020-02-19 Alaa Awad Abdellatif , Carla Fabiana Chiasserini , Francesco Malandrino

Active speaker detection and speech enhancement have become two increasingly attractive topics in audio-visual scenario understanding. According to their respective characteristics, the scheme of independently designed architecture has been…

声音 · 计算机科学 2022-07-08 Junwen Xiong , Yu Zhou , Peng Zhang , Lei Xie , Wei Huang , Yufei Zha

Instructors are increasingly incorporating student-centered learning techniques in their classrooms to improve learning outcomes. In addition to lecture, these class sessions involve forms of individual and group work, and greater rates of…

音频与语音处理 · 电气工程与系统科学 2021-11-11 Eric Slyman , Chris Daw , Morgan Skrabut , Ana Usenko , Brian Hutchinson

The ability for a teacher to engage all students in active learning processes in classroom constitutes a crucial prerequisite for enhancing students achievement. Teachers' attentional processes provide important insights into teachers'…

计算机视觉与模式识别 · 计算机科学 2018-05-24 Ömer Sümer , Patricia Goldberg , Kathleen Stürmer , Tina Seidel , Peter Gerjets , Ulrich Trautwein , Enkelejda Kasneci

Multimodal egocentric activity recognition integrates visual and inertial cues for robust first-person behavior understanding. However, deploying such systems in open-world environments requires detecting novel activities while continuously…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Wonseon Lim , Hyejeong Im , Dae-Won Kim

With the increased deployment of face recognition systems in our daily lives, face presentation attack detection (PAD) is attracting much attention and playing a key role in securing face recognition systems. Despite the great performance…

计算机视觉与模式识别 · 计算机科学 2021-11-03 Meiling Fang , Naser Damer , Florian Kirchbuchner , Arjan Kuijper

Active speaker detection (ASD) systems are important modules for analyzing multi-talker conversations. They aim to detect which speakers or none are talking in a visual scene at any given time. Existing research on ASD does not agree on the…

声音 · 计算机科学 2022-07-12 Abudukelimu Wuerkaixi , You Zhang , Zhiyao Duan , Changshui Zhang

Current models for audio--sheet music retrieval via multimodal embedding space learning use convolutional neural networks with a fixed-size window for the input audio. Depending on the tempo of a query performance, this window captures more…

声音 · 计算机科学 2018-09-18 Matthias Dorfer , Jan Hajič , Gerhard Widmer

The Audio-Visual Video Parsing task aims to recognize and temporally localize all events occurring in either the audio or visual stream, or both. Capturing accurate event semantics for each audio/visual segment is vital. Prior works…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Pengcheng Zhao , Jinxing Zhou , Yang Zhao , Dan Guo , Yanxiang Chen