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The generation of emotional talking faces from a single portrait image remains a significant challenge. The simultaneous achievement of expressive emotional talking and accurate lip-sync is particularly difficult, as expressiveness is often…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Chenxu Zhang , Chao Wang , Jianfeng Zhang , Hongyi Xu , Guoxian Song , You Xie , Linjie Luo , Yapeng Tian , Xiaohu Guo , Jiashi Feng

Sign language is commonly used by deaf or speech impaired people to communicate but requires significant effort to master. Sign Language Recognition (SLR) aims to bridge the gap between sign language users and others by recognizing signs…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Songyao Jiang , Bin Sun , Lichen Wang , Yue Bai , Kunpeng Li , Yun Fu

Sign language videos are an important medium for spreading and learning sign language. However, most existing human image synthesis methods produce sign language images with details that are distorted, blurred, or structurally incorrect.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Tongkai Shi , Lianyu Hu , Fanhua Shang , Jichao Feng , Peidong Liu , Wei Feng

Sign Language Translation (SLT) has evolved significantly, moving from isolated recognition approaches to complex, continuous gloss-free translation systems. This paper explores the impact of pose-based data preprocessing techniques -…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Tomas Zelezny , Jakub Straka , Vaclav Javorek , Ondrej Valach , Marek Hruz , Ivan Gruber

Sign language translation from text to video plays a crucial role in enabling effective communication for Deaf and hard--of--hearing individuals. A major challenge lies in generating accurate and natural body poses and movements that…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Zetian Wu , Tianshuo Zhou , Stefan Lee , Liang Huang

Sign language is the primary communication language for people with disabling hearing loss. Sign language recognition (SLR) systems aim to recognize sign gestures and translate them into spoken language. One of the main challenges in SLR is…

Computer Vision and Pattern Recognition · Computer Science 2025-04-24 Hasan Algafri , Hamzah Luqman , Sarah Alyami , Issam Laradji

Lip motion reflects behavior characteristics of speakers, and thus can be used as a new kind of biometrics in speaker recognition. In the literature, lots of works used two-dimensional (2D) lip images to recognize speaker in a textdependent…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Jianrong Wang , Tong Wu , Shanyu Wang , Mei Yu , Qiang Fang , Ju Zhang , Li Liu

Like spoken languages, a single sign language expression could correspond to multiple valid textual interpretations. Hence, learning a rigid one-to-one mapping for sign language translation (SLT) models might be inadequate, particularly in…

Multimedia · Computer Science 2024-10-28 Xin Shen , Lei Shen , Shaozu Yuan , Heming Du , Haiyang Sun , Xin Yu

Our aim is to develop a unified model for sign language understanding, that performs sign language translation (SLT) and sign-subtitle alignment (SSA). Together, these two tasks enable the conversion of continuous signing videos into spoken…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Youngjoon Jang , Liliane Momeni , Zifan Jiang , Joon Son Chung , Gül Varol , Andrew Zisserman

Communicative efficiency is a key topic in linguistics and cognitive psychology, with many studies demonstrating how the pressure to communicate with minimal effort guides the form of natural language. However, this phenomenon is rarely…

Computation and Language · Computer Science 2024-06-11 Kayo Yin , Terry Regier , Dan Klein

Indian Sign Language has limited resources for developing machine learning and data-driven approaches for automated language processing. Though text/audio-based language processing techniques have shown colossal research interest and…

Computation and Language · Computer Science 2024-07-09 Abhinav Joshi , Romit Mohanty , Mounika Kanakanti , Andesha Mangla , Sudeep Choudhary , Monali Barbate , Ashutosh Modi

This works aims to design a statistical machine translation from English text to American Sign Language (ASL). The system is based on Moses tool with some modifications and the results are synthesized through a 3D avatar for interpretation.…

Computation and Language · Computer Science 2011-12-02 Achraf Othman , Mohamed Jemni

Entrusted with the goal of pixel-level object classification, the semantic segmentation networks entail the laborious preparation of pixel-level annotation masks. To obtain pixel-level annotation masks for a given class without human…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Joon Hyun Park , Kumju Jo , Sungyong Baik

In this paper, we develop four spiking neural network (SNN) models for two static American Sign Language (ASL) hand gesture classification tasks, i.e., the ASL Alphabet and ASL Digits. The SNN models are deployed on Intel's neuromorphic…

Machine Learning · Computer Science 2022-10-04 MohammadReza Mohammadi , Peyton Chandarana , James Seekings , Sara Hendrix , Ramtin Zand

In this paper, we address the task of multimodal-to-speech generation, which aims to synthesize high-quality speech from multiple input modalities: text, video, and reference audio. This task has gained increasing attention due to its wide…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Jeongsoo Choi , Ji-Hoon Kim , Kim Sung-Bin , Tae-Hyun Oh , Joon Son Chung

Sign language recognition is a challenging and often underestimated problem comprising multi-modal articulators (handshape, orientation, movement, upper body and face) that integrate asynchronously on multiple streams. Learning powerful…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Hamid Reza Vaezi Joze , Oscar Koller

Discrete diffusion models generate sequences by iteratively denoising samples corrupted by categorical noise, offering an appealing alternative to autoregressive decoding for structured and symbolic generation. However, standard training…

Machine Learning · Computer Science 2026-02-04 Huu Binh Ta , Michael Cardei , Alvaro Velasquez , Ferdinando Fioretto

Sign Language Translation (SLT) converts sign language videos into spoken-language text, bridging communication between Deaf and hearing communities. Current gloss-free approaches rely on large encoder-decoder models, limiting deployment.…

Computation and Language · Computer Science 2026-05-12 Kuanwei Chen , Mengfeng Tsai

Sign language is the window for people differently-abled to express their feelings as well as emotions. However, it remains challenging for people to learn sign language in a short time. To address this real-world challenge, in this work,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Yucheng Suo , Zhedong Zheng , Xiaohan Wang , Bang Zhang , Yi Yang

Diffusion models are a new class of generative models, and have dramatically promoted image generation with unprecedented quality and diversity. Existing diffusion models mainly try to reconstruct input image from a corrupted one with a…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Ling Yang , Jingwei Liu , Shenda Hong , Zhilong Zhang , Zhilin Huang , Zheming Cai , Wentao Zhang , Bin Cui