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A major challenge for video captioning is to combine audio and visual cues. Existing multi-modal fusion methods have shown encouraging results in video understanding. However, the temporal structures of multiple modalities at different…

计算与语言 · 计算机科学 2018-04-17 Xin Wang , Yuan-Fang Wang , William Yang Wang

Vision-Language-Action (VLA) models have significantly advanced the capabilities of robotic agents in executing diverse tasks; however, they still face challenges in contact-rich manipulation scenarios that require precise physical…

机器人学 · 计算机科学 2026-05-19 Xiaoqi Li , Muhe Cai , Jiadong Xu , Juan Zhu , Hongwei Fan , Yan Shen , Guangrui Ren , Hao Dong

Talking head generation creates lifelike avatars from static portraits for virtual communication and content creation. However, current models do not yet convey the feeling of truly interactive communication, often generating one-way…

机器学习 · 计算机科学 2026-01-05 Taekyung Ki , Sangwon Jang , Jaehyeong Jo , Jaehong Yoon , Sung Ju Hwang

Vision-language-action models have gained significant attention for their ability to model multimodal sequences in embodied instruction following tasks. However, most existing models rely on causal attention, which we find suboptimal for…

机器人学 · 计算机科学 2026-01-21 Yueen Ma , Dafeng Chi , Shiguang Wu , Yuecheng Liu , Yuzheng Zhuang , Irwin King

We are interested in a novel task, namely low-resource text-to-talking avatar. Given only a few-minute-long talking person video with the audio track as the training data and arbitrary texts as the driving input, we aim to synthesize…

计算机视觉与模式识别 · 计算机科学 2023-08-03 Zhenhui Ye , Ziyue Jiang , Yi Ren , Jinglin Liu , Chen Zhang , Xiang Yin , Zejun Ma , Zhou Zhao

Generating realistic human motions that naturally respond to both spoken language and physical objects is crucial for interactive digital experiences. Current methods, however, address speech-driven gestures or object interactions…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Sreehari Rajan , Kunal Bhosikar , Charu Sharma

In recent years, audio-driven 3D facial animation has gained significant attention, particularly in applications such as virtual reality, gaming, and video conferencing. However, accurately modeling the intricate and subtle dynamics of…

计算机视觉与模式识别 · 计算机科学 2023-11-14 Guinan Su , Yanwu Yang , Zhifeng Li

Recent advancements in audio-driven talking face generation have made great progress in lip synchronization. However, current methods often lack sufficient control over facial animation such as speaking style and emotional expression,…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Baiqin Wang , Xiangyu Zhu , Fan Shen , Hao Xu , Zhen Lei

Creating high-fidelity, real-time drivable 3D head avatars is a core challenge in digital animation. While 3D Gaussian Splashing (3D-GS) offers unprecedented rendering speed and quality, current animation techniques often rely on a…

图形学 · 计算机科学 2026-01-22 Zhe Chang , Haodong Jin , Yan Song , Hui Yu

Video-driven 3D facial animation transfer aims to drive avatars to reproduce the expressions of actors. Existing methods have achieved remarkable results by constraining both geometric and perceptual consistency. However, geometric…

图形学 · 计算机科学 2024-10-10 Feng Qiu , Wei Zhang , Chen Liu , Rudong An , Lincheng Li , Yu Ding , Changjie Fan , Zhipeng Hu , Xin Yu

We present LiftAvatar, a new paradigm that completes sparse monocular observations in kinematic space (e.g., facial expressions and head pose) and uses the completed signals to drive high-fidelity avatar animation. LiftAvatar is a…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Hualiang Wei , Shunran Jia , Jialun Liu , Wenhui Li

In human conversation, empathic dialogue requires nuanced temporal cues indicating whether the conversational partner is paying attention. This type of "active listening" is overlooked in the design of Conversational Agents (CAs), which use…

人机交互 · 计算机科学 2026-02-09 Zhihan Jiang , Qianhui Chen , Chu Zhang , Yanheng Li , Ray LC

There is significant progress in recognizing traditional human activities from videos focusing on highly distinctive actions involving discriminative body movements, body-object and/or human-human interactions. Driver's activities are…

计算机视觉与模式识别 · 计算机科学 2021-01-19 Zachary Wharton , Ardhendu Behera , Yonghuai Liu , Nik Bessis

Language-driven action localization in videos is a challenging task that involves not only visual-linguistic matching but also action boundary prediction. Recent progress has been achieved through aligning language query to video segments,…

计算机视觉与模式识别 · 计算机科学 2022-05-13 Shuo Yang , Xinxiao Wu

Audio-driven 3D talking avatar generation is increasingly important in virtual communication, digital humans, and interactive media, where avatars must preserve identity, synchronize lip motion with speech, express emotion, and exhibit…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Zhongju Wang , Zhenhong Sun , Beier Wang , Yifu Wang , Daoyi Dong , Huadong Mo , Hongdong Li

Audio-driven 3D facial animation has several virtual humans applications for content creation and editing. While several existing methods provide solutions for speech-driven animation, precise control over content (what) and style (how) of…

声音 · 计算机科学 2024-08-15 Qingju Liu , Hyeongwoo Kim , Gaurav Bharaj

Recent advancements in video diffusion models have significantly enhanced audio-driven portrait animation. However, current methods still suffer from flickering, identity drift, and poor audio-visual synchronization. These issues primarily…

计算机视觉与模式识别 · 计算机科学 2025-12-19 Zhenjie Liu , Jianzhang Lu , Renjie Lu , Cong Liang , Shangfei Wang

Controllability, generalizability and efficiency are the major objectives of constructing face avatars represented by neural implicit field. However, existing methods have not managed to accommodate the three requirements simultaneously.…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Zhiyuan Ma , Xiangyu Zhu , Guojun Qi , Zhen Lei , Lei Zhang

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…

计算机视觉与模式识别 · 计算机科学 2021-10-06 Juan León-Alcázar , Fabian Caba Heilbron , Ali Thabet , Bernard Ghanem

Vision-Language-Action (VLA) models exhibit remarkable action generation for embodied intelligence, but their heavy compute make deployment on edge platforms impractical. Aggressive, sub-4-bit weight quantization is the natural solution,…