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Related papers: CLIP-VAD: Exploiting Vision-Language Models for Vo…

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Voice activity and overlapped speech detection (respectively VAD and OSD) are key pre-processing tasks for speaker diarization. The final segmentation performance highly relies on the robustness of these sub-tasks. Recent studies have shown…

We aim at advancing open-vocabulary object detection, which detects objects described by arbitrary text inputs. The fundamental challenge is the availability of training data. It is costly to further scale up the number of classes contained…

Computer Vision and Pattern Recognition · Computer Science 2022-05-13 Xiuye Gu , Tsung-Yi Lin , Weicheng Kuo , Yin Cui

Speech applications are expected to be low-power and robust under noisy conditions. An effective Voice Activity Detection (VAD) front-end lowers the computational need. Spiking Neural Networks (SNNs) are known to be biologically plausible…

Sound · Computer Science 2024-03-12 Qu Yang , Qianhui Liu , Nan Li , Meng Ge , Zeyang Song , Haizhou Li

Voice Activity Detection (VAD) and Overlapped Speech Detection (OSD) are key pre-processing tasks for speaker diarization. In the meeting context, it is often easier to capture speech with a distant device. This consideration however leads…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-14 Théo Mariotte , Anthony Larcher , Silvio Montrésor , Jean-Hugh Thomas

Change detection (CD) identifies scene changes from multi-temporal observations and is widely used in urban development and environmental monitoring. Most existing CD methods rely on supervised learning, making performance strongly…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Ziqiang Zhu , Bowei Yang

Voice activity detection (VAD) is essential for speech-driven applications, but remains far from perfect in noisy and resource-limited environments. Existing methods often lack robustness to noise, and their frame-wise classification losses…

Sound · Computer Science 2025-08-29 Chien-Chun Wang , En-Lun Yu , Jeih-Weih Hung , Shih-Chieh Huang , Berlin Chen

The recent contrastive language-image pre-training (CLIP) model has shown great success in a wide range of image-level tasks, revealing remarkable ability for learning powerful visual representations with rich semantics. An open and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Peng Wu , Xuerong Zhou , Guansong Pang , Lingru Zhou , Qingsen Yan , Peng Wang , Yanning Zhang

In learning vision-language representations from web-scale data, the contrastive language-image pre-training (CLIP) mechanism has demonstrated a remarkable performance in many vision tasks. However, its application to the widely studied…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Fengchuang Xing , Mingjie Li , Yuan-Gen Wang , Guopu Zhu , Xiaochun Cao

In this paper, we propose the use of self-supervised pretraining on a large unlabelled data set to improve the performance of a personalized voice activity detection (VAD) model in adverse conditions. We pretrain a long short-term memory…

Sound · Computer Science 2024-01-24 Holger Severin Bovbjerg , Jesper Jensen , Jan Østergaard , Zheng-Hua Tan

Humans can intuitively infer sounds from silent videos, but whether multimodal large language models can perform modal-mismatch reasoning without accessing target modalities remains relatively unexplored. Current…

Multimedia · Computer Science 2025-05-29 Yong Ren , Chenxing Li , Le Xu , Hao Gu , Duzhen Zhang , Yujie Chen , Manjie Xu , Ruibo Fu , Shan Yang , Dong Yu

In this paper we demonstrate that performance of voice activity detection (VAD) system operating in presence of background noise can be improved by concatenating acoustic input features with electroencephalography (EEG) features. We also…

Sound · Computer Science 2020-03-18 Gautam Krishna , Co Tran , Mason Carnahan , Yan Han , Ahmed H Tewfik

The task of voice activity detection (VAD) is an often required module in various speech processing, analysis and classification tasks. While state-of-the-art neural network based VADs can achieve great results, they often exceed…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-20 Sebastian Braun , Ivan Tashev

Video anomaly detection (VAD) aims to temporally locate abnormal events in a video. Existing works mostly rely on training deep models to learn the distribution of normality with either video-level supervision, one-class supervision, or in…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Luca Zanella , Willi Menapace , Massimiliano Mancini , Yiming Wang , Elisa Ricci

Active speaker detection in videos addresses associating a source face, visible in the video frames, with the underlying speech in the audio modality. The two primary sources of information to derive such a speech-face relationship are i)…

Multimedia · Computer Science 2022-12-02 Rahul Sharma , Shrikanth Narayanan

Detecting anchor's voice in live musical streams is an important preprocessing for music and speech signal processing. Existing approaches to voice activity detection (VAD) primarily rely on audio, however, audio-based VAD is difficult to…

Sound · Computer Science 2020-11-03 Yuanbo Hou , Yi Deng , Bilei Zhu , Zejun Ma , Dick Botteldooren

The Visual Language Model, known for its robust cross-modal capabilities, has been extensively applied in various computer vision tasks. In this paper, we explore the use of CLIP (Contrastive Language-Image Pretraining), a vision-language…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Huazhong Zhao , Lei Qi , Xin Geng

Procedure planning requires a model to predict a sequence of actions that transform a start visual observation into a goal in instructional videos. While most existing methods rely primarily on visual observations as input, they often…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Lei Shi , Victor Aregbede , Andreas Persson , Martin Längkvist , Amy Loutfi , Stephanie Lowry

Building upon the impressive success of CLIP (Contrastive Language-Image Pretraining), recent pioneer works have proposed to adapt the powerful CLIP to video data, leading to efficient and effective video learners for open-vocabulary action…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Kun-Yu Lin , Henghui Ding , Jiaming Zhou , Yu-Ming Tang , Yi-Xing Peng , Zhilin Zhao , Chen Change Loy , Wei-Shi Zheng

Voice Activity Detection (VAD) is a fundamental module in many audio applications. Recent state-of-the-art VAD systems are often based on neural networks, but they require a computational budget that usually exceeds the capabilities of a…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-07 Niccolo' Polvani , Damien Ronssin , Milos Cernak

Audiovisual active speaker detection (ASD) is conventionally performed by modelling the temporal synchronisation of acoustic and visual speech cues. In egocentric recordings, however, the efficacy of synchronisation-based methods is…

Multimedia · Computer Science 2025-06-24 Jason Clarke , Yoshihiko Gotoh , Stefan Goetze