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Automatic speech recognition (ASR) has benefited from advances in pretrained speech and language models, yet most systems remain constrained to monolingual settings and short, isolated utterances. While recent efforts in context-aware ASR…

Computation and Language · Computer Science 2026-03-09 Yuchen Zhang , Haralambos Mouratidis , Ravi Shekhar

We introduce a distinctive real-time, causal, neural network-based active speaker detection system optimized for low-power edge computing. This system drives a virtual cinematography module and is deployed on a commercial device. The system…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-18 Ilya Gurvich , Ido Leichter , Dharmendar Reddy Palle , Yossi Asher , Alon Vinnikov , Igor Abramovski , Vishak Gopal , Ross Cutler , Eyal Krupka

In this paper, we present a comprehensive analysis of Acoustic Scene Classification (ASC), the task of identifying the scene of an audio recording from its acoustic signature. In particular, we firstly propose an inception-based and low…

Sound · Computer Science 2022-10-18 Lam Pham , Dusan Salovic , Anahid Jalali , Alexander Schindler , Khoa Tran , Canh Vu , Phu X. Nguyen

Current state-of-the-art open-vocabulary segmentation methods typically rely on image-mask-text triplet annotations for supervision. However, acquiring such detailed annotations is labour-intensive and poses scalability challenges in…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Zhaoqing Wang , Xiaobo Xia , Ziye Chen , Xiao He , Yandong Guo , Mingming Gong , Tongliang Liu

This article proposes an encoder-decoder network model for Acoustic Scene Classification (ASC), the task of identifying the scene of an audio recording from its acoustic signature. We make use of multiple low-level spectrogram features at…

Sound · Computer Science 2020-02-12 Lam Pham , Huy Phan , Truc Nguyen , Ramaswamy Palaniappan , Alfred Mertins , Ian McLoughlin

In contextual anomaly detection, an object is only considered anomalous within a specific context. Most existing methods for CAD use a single context based on a set of user-specified contextual features. However, identifying the right…

Machine Learning · Computer Science 2022-10-05 Ece Calikus , Slawomir Nowaczyk , Mohamed-Rafik Bouguelia , Onur Dikmen

A promising approach for steering auditory attention in complex listening environments relies on Auditory Attention Decoding (AAD), which aim to identify the attended speech stream in a multiple speaker scenario from neural recordings.…

Many speech enhancement methods try to learn the relationship between noisy and clean speech, obtained using an acoustic room simulator. We point out several limitations of enhancement methods relying on clean speech targets; the goal of…

Computation and Language · Computer Science 2018-12-26 Geonmin Kim , Hwaran Lee , Bo-Kyeong Kim , Sang-Hoon Oh , Soo-Young Lee

In this paper, we introduce a novel task termed unified anomaly detection and classification, which aims to simultaneously detect anomalous regions in images and identify their specific categories. Existing methods typically treat anomaly…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Ximiao Zhang , Min Xu , Zheng Zhang , Junlin Hu , Xiuzhuang Zhou

Sound Event Detection (SED) detects regions of sound events, while Speaker Diarization (SD) segments speech conversations attributed to individual speakers. In SED, all speaker segments are classified as a single speech event, while in SD,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-16 Yidi Jiang , Ruijie Tao , Wen Huang , Qian Chen , Wen Wang

Functionality segmentation in 3D scenes requires an agent to ground implicit natural-language instructions into precise masks of fine-grained interactive elements. Existing methods rely on fragmented pipelines that suffer from visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Jiaying Lin , Dan Xu

Humans use context to assess the veracity of information. However, current audio deepfake detectors only analyze the audio file without considering either context or transcripts. We create and analyze a Journalist-provided Deepfake Dataset…

Audiovisual active speaker detection (ASD) in egocentric recordings is challenged by frequent occlusions, motion blur, and audio interference, which undermine the discernability of temporal synchrony between lip movement and speech.…

Multimedia · Computer Science 2025-08-15 Jason Clarke , Yoshihiko Gotoh , Stefan Goetze

It is challenging to recognize facial action unit (AU) from spontaneous facial displays, especially when they are accompanied by speech. The major reason is that the information is extracted from a single source, i.e., the visual channel,…

Computer Vision and Pattern Recognition · Computer Science 2017-07-03 Zibo Meng , Shizhong Han , Ping Liu , Yan Tong

Multi-camera 3D perception has emerged as a prominent research field in autonomous driving, offering a viable and cost-effective alternative to LiDAR-based solutions. The existing multi-camera algorithms primarily rely on monocular 2D…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Chen Min , Liang Xiao , Dawei Zhao , Yiming Nie , Bin Dai

Active speaker detection is an important component in video analysis algorithms for applications such as speaker diarization, video re-targeting for meetings, speech enhancement, and human-robot interaction. The absence of a large,…

In this paper, we address the problem of speaker recognition in challenging acoustic conditions using a novel method to extract robust speaker-discriminative speech representations. We adopt a recently proposed unsupervised adversarial…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-05 Raghuveer Peri , Monisankha Pal , Arindam Jati , Krishna Somandepalli , Shrikanth Narayanan

When dealing with overlapped speech, the performance of automatic speech recognition (ASR) systems substantially degrades as they are designed for single-talker speech. To enhance ASR performance in conversational or meeting environments,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-16 Hassan Taherian , DeLiang Wang

Lip synchronization aims to generate realistic talking videos that match given audio, which is essential for high-quality video dubbing. However, current methods have fundamental drawbacks: mask-based approaches suffer from local color…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Ruidi Fan , Yang Zhou , Siyuan Wang , Tian Yu , Yutong Jiang , Xusheng Liu

Conversational retrieval refers to an information retrieval system that operates in an iterative and interactive manner, requiring the retrieval of various external resources, such as persona, knowledge, and even response, to effectively…

Computation and Language · Computer Science 2024-02-29 Hongru Wang , Boyang Xue , Baohang Zhou , Rui Wang , Fei Mi , Weichao Wang , Yasheng Wang , Kam-Fai Wong