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Communicative gestures and speech acoustic are tightly linked. Our objective is to predict the timing of gestures according to the acoustic. That is, we want to predict when a certain gesture occurs. We develop a model based on a recurrent…

Human-Computer Interaction · Computer Science 2021-04-27 Fajrian Yunus , Chloé Clavel , Catherine Pelachaud

We propose a lesion-aware graph neural network (LEGNet) to predict language ability from resting-state fMRI (rs-fMRI) connectivity in patients with post-stroke aphasia. Our model integrates three components: an edge-based learning module…

Machine Learning · Computer Science 2024-09-05 Zijian Chen , Maria Varkanitsa , Prakash Ishwar , Janusz Konrad , Margrit Betke , Swathi Kiran , Archana Venkataraman

Embodied conversational agents benefit from being able to accompany their speech with gestures. Although many data-driven approaches to gesture generation have been proposed in recent years, it is still unclear whether such systems can…

Human-Computer Interaction · Computer Science 2022-01-17 Taras Kucherenko , Rajmund Nagy , Michael Neff , Hedvig Kjellström , Gustav Eje Henter

Gestures are essential for enhancing co-speech communication, offering visual emphasis and complementing verbal interactions. While prior work has concentrated on point-level motion or fully supervised data-driven methods, we focus on…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Jiahui Chen , Yang Huan , Runhua Shi , Chanfan Ding , Xiaoqi Mo , Siyu Xiong , Yinong He

Co-speech gestures play a vital role in non-verbal communication. In this paper, we introduce a new framework for co-speech gesture understanding in the wild. Specifically, we propose three new tasks and benchmarks to evaluate a model's…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 Sindhu B Hegde , K R Prajwal , Taein Kwon , Andrew Zisserman

[Objective]. After a stroke, one-third of patients suffer from aphasia, a language disorder that impairs communication ability. The standard behavioral tests used to diagnose aphasia are time-consuming and have low ecological validity.…

Signal Processing · Electrical Eng. & Systems 2023-03-15 Pieter De Clercq , Jill Kries , Ramtin Mehraram , Jonas Vanthornhout , Tom Francart , Maaike Vandermosten

In recent years because of the advances in computer vision research, free hand gestures have been explored as means of human-computer interaction (HCI). Together with improved speech processing technology it is an important step toward…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 S. Kettebekov , R. Sharma

This paper proposes an interactive system for mobile devices controlled by hand gestures aimed at helping people with visual impairments. This system allows the user to interact with the device by making simple static and dynamic hand…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Samer Alashhab , Antonio Javier Gallego , Miguel Ángel Lozano

This article focuses on the articulatory characteristics of epistemic gestures (i.e., gestures used to express certainty or uncertainty) in co-speech gestures (CSG) in French and in French Sign Language (LSF). It presents a new methodology…

Human-Computer Interaction · Computer Science 2024-09-17 Fanny Catteau , Claudia S Bianchini

This review paper explores recent advances in deep learning approaches for non-invasive cognitive impairment detection. We examine various non-invasive indicators of cognitive decline, including speech and language, facial, and motoric…

Machine Learning · Computer Science 2025-04-16 Muath Alsuhaibani , Ali Pourramezan Fard , Jian Sun , Farida Far Poor , Peter S. Pressman , Mohammad H. Mahoor

Multi-modal based speech separation has exhibited a specific advantage on isolating the target character in multi-talker noisy environments. Unfortunately, most of current separation strategies prefer a straightforward fusion based on…

Sound · Computer Science 2022-03-08 Junwen Xiong , Peng Zhang , Lei Xie , Wei Huang , Yufei Zha , Yanning Zhang

Due to their significance in human communication, the automatic generation of co-speech gestures in artificial embodied agents has received a lot of attention. Although modern deep learning approaches can generate realistic-looking…

Human-Computer Interaction · Computer Science 2023-07-20 Hendric Voß , Stefan Kopp

Body language such as conversational gesture is a powerful way to ease communication. Conversational gestures do not only make a speech more lively but also contain semantic meaning that helps to stress important information in the…

Robotics · Computer Science 2022-10-14 Hitoshi Teshima , Naoki Wake , Diego Thomas , Yuta Nakashima , Hiroshi Kawasaki , Katsushi Ikeuchi

Hypernasality is a common characteristic symptom across many motor-speech disorders. For voiced sounds, hypernasality introduces an additional resonance in the lower frequencies and, for unvoiced sounds, there is reduced articulatory…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-14 Michael Saxon , Ayush Tripathi , Yishan Jiao , Julie Liss , Visar Berisha

For human-like agents, including virtual avatars and social robots, making proper gestures while speaking is crucial in human--agent interaction. Co-speech gestures enhance interaction experiences and make the agents look alive. However, it…

Graphics · Computer Science 2020-09-07 Youngwoo Yoon , Bok Cha , Joo-Haeng Lee , Minsu Jang , Jaeyeon Lee , Jaehong Kim , Geehyuk Lee

Embodied conversational agents (ECA) are often designed to produce nonverbal behavior to complement or enhance their verbal communication. One such form of nonverbal behavior is co-speech gesturing, which involves movements that the agent…

Human-Computer Interaction · Computer Science 2022-03-02 Pieter Wolfert , Nicole Robinson , Tony Belpaeme

Children with severe disabilities and complex communication needs face limitations in the usage of access technology (AT) devices. Conventional ATs (e.g., mechanical switches) can be insufficient for nonverbal children and those with…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 Javad Rahimipour Anaraki , Silvia Orlandi , Tom Chau

This paper proposes a method of gesture recognition with a focus on important actions for distinguishing similar gestures. The method generates a partial action sequence by using optical flow images, expresses the sequence in the…

Computer Vision and Pattern Recognition · Computer Science 2009-12-10 Kazumoto Tanaka

Speech-driven gesture generation aims at synthesizing a gesture sequence synchronized with the input speech signal. Previous methods leverage neural networks to directly map a compact audio representation to the gesture sequence, ignoring…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Fengqi Liu , Hexiang Wang , Jingyu Gong , Ran Yi , Qianyu Zhou , Xuequan Lu , Jiangbo Lu , Lizhuang Ma

Human speech is often accompanied by hand and arm gestures. Given audio speech input, we generate plausible gestures to go along with the sound. Specifically, we perform cross-modal translation from "in-the-wild'' monologue speech of a…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Shiry Ginosar , Amir Bar , Gefen Kohavi , Caroline Chan , Andrew Owens , Jitendra Malik