English
Related papers

Related papers: Learning Visual Voice Activity Detection with an A…

200 papers

When video is shot in noisy environment, the voice of a speaker seen in the video can be enhanced using the visible mouth movements, reducing background noise. While most existing methods use audio-only inputs, improved performance is…

Computer Vision and Pattern Recognition · Computer Science 2018-06-14 Aviv Gabbay , Asaph Shamir , Shmuel Peleg

Active speaker detection requires a solid integration of multi-modal cues. While individual modalities can approximate a solution, accurate predictions can only be achieved by explicitly fusing the audio and visual features and modeling…

Computer Vision and Pattern Recognition · Computer Science 2021-10-06 Juan León-Alcázar , Fabian Caba Heilbron , Ali Thabet , Bernard Ghanem

Video Anomaly Detection (VAD) aims to automatically analyze spatiotemporal patterns in surveillance videos collected from open spaces to detect anomalous events that may cause harm, such as fighting, stealing, and car accidents. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Yang Liu , Siao Liu , Xiaoguang Zhu , Jielin Li , Hao Yang , Liangyu Teng , Juncen Guo , Yan Wang , Dingkang Yang , Jing Liu

Video Anomaly Detection (VAD) finds widespread applications in security surveillance, traffic monitoring, industrial monitoring, and healthcare. Despite extensive research efforts, there remains a lack of concise reviews that provide…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Liyun Zhu , Lei Wang , Arjun Raj , Tom Gedeon , Chen Chen

The Audio-Visual Speaker Extraction (AVSE) algorithm employs parallel video recording to leverage two visual cues, namely speaker identity and synchronization, to enhance performance compared to audio-only algorithms. However, the visual…

Sound · Computer Science 2023-06-06 Junjie Li , Meng Ge , Zexu pan , Rui Cao , Longbiao Wang , Jianwu Dang , Shiliang Zhang

Target-speaker voice activity detection is currently a promising approach for speaker diarization in complex acoustic environments. This paper presents a novel Sequence-to-Sequence Target-Speaker Voice Activity Detection (Seq2Seq-TSVAD)…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-21 Ming Cheng , Weiqing Wang , Yucong Zhang , Xiaoyi Qin , Ming Li

Dynamically synthesizing talking speech that actively responds to a listening head is critical during the face-to-face interaction. For example, the speaker could take advantage of the listener's facial expression to adjust the tones,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-22 Mohan Zhou , Yalong Bai , Wei Zhang , Ting Yao , Tiejun Zhao , Tao Mei

Visual Anomaly Detection (VAD) is a key task in industrial settings, where minimizing operational costs is essential. Deploying deep learning models within Internet of Things (IoT) environments introduces specific challenges due to limited…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Arianna Stropeni , Francesco Borsatti , Manuel Barusco , Davide Dalle Pezze , Marco Fabris , Gian Antonio Susto

Voice activity detection (VAD) is essential in speech-based systems, but traditional methods detect only speech presence without identifying speakers. Target-speaker VAD (TS-VAD) extends this by detecting the speech of a known speaker using…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-16 Wen-Yung Wu , Pei-Chin Hsieh , Tai-Shih Chi

Concurrent Speaker Detection (CSD), the task of identifying active speakers and their overlaps in an audio signal, is essential for various audio applications, including meeting transcription, speaker diarization, and speech separation.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-16 Amit Eliav , Sharon Gannot

VAD is a critical field in machine learning focused on identifying deviations from normal patterns in images, often challenged by the scarcity of anomalous data and the need for unsupervised training. To accelerate research and deployment…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Manuel Barusco , Francesco Borsatti , Arianna Stropeni , Davide Dalle Pezze , Gian Antonio Susto

Visual speech, referring to the visual domain of speech, has attracted increasing attention due to its wide applications, such as public security, medical treatment, military defense, and film entertainment. As a powerful AI strategy, deep…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Changchong Sheng , Gangyao Kuang , Liang Bai , Chenping Hou , Yulan Guo , Xin Xu , Matti Pietikäinen , Li Liu

Outbound AI calling systems must distinguish voicemail greetings from live human answers in real time to avoid wasted agent interactions and dropped calls. We present a lightweight approach that extracts 15 temporal features from the speech…

Sound · Computer Science 2026-04-14 Kumar Saurav

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

Voice controlled virtual assistants (VAs) are now available in smartphones, cars, and standalone devices in homes. In most cases, the user needs to first "wake-up" the VA by saying a particular word/phrase every time he or she wants the VA…

Human-Computer Interaction · Computer Science 2019-02-05 Atta Norouzian , Bogdan Mazoure , Dermot Connolly , Daniel Willett

Audio-driven 3D facial animation has been widely explored, but achieving realistic, human-like performance is still unsolved. This is due to the lack of available 3D datasets, models, and standard evaluation metrics. To address this, we…

Computer Vision and Pattern Recognition · Computer Science 2019-05-09 Daniel Cudeiro , Timo Bolkart , Cassidy Laidlaw , Anurag Ranjan , Michael J. Black

Detecting actions in untrimmed videos should not be limited to a small, closed set of classes. We present a simple, yet effective strategy for open-vocabulary temporal action detection utilizing pretrained image-text co-embeddings. Despite…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Vivek Rathod , Bryan Seybold , Sudheendra Vijayanarasimhan , Austin Myers , Xiuye Gu , Vighnesh Birodkar , David A. Ross

We introduce the first audio-visual dataset for traffic anomaly detection taken from real-world scenes, called MAVAD, with a diverse range of weather and illumination conditions. In addition, we propose a novel method named AVACA that…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Błażej Leporowski , Arian Bakhtiarnia , Nicole Bonnici , Adrian Muscat , Luca Zanella , Yiming Wang , Alexandros Iosifidis

Speaker diarization, the process of identifying "who spoke when" in audio recordings, is essential for understanding classroom dynamics. However, classroom settings present distinct challenges, including poor recording quality, high levels…

Sound · Computer Science 2025-05-28 Ali Sartaz Khan , Tolulope Ogunremi , Ahmed Adel Attia , Dorottya Demszky

The audio segmentation mismatch between training data and those seen at run-time is a major problem in direct speech translation. Indeed, while systems are usually trained on manually segmented corpora, in real use cases they are often…

Sound · Computer Science 2021-10-15 Marco Gaido , Matteo Negri , Mauro Cettolo , Marco Turchi