5 papers
CAPQ-FAST: Content-Adaptive Perceived Quality Assessment for Faster Audiovisual Playback
Jiarun Song, Yuxin Song, Fuzheng Yang +1
Faster playback has become a common feature in modern online audiovisual services, allowing users to consume content in less time while still maintaining a coherent viewing experie…
Dynamic Multimodal Expression Generation for LLM-Driven Pedagogical Agents: From User Experience Perspective
Ninghao Wan, Jiarun Song, Fuzheng Yang
In virtual reality (VR) educational scenarios, Pedagogical agents (PAs) enhance immersive learning through realistic appearances and interactive behaviors. However, most existing P…
Latency Effects on Multi-Dimensional QoE in Networked VR Whiteboards
Jiarun Song, Yongkang Hou, Fuzheng Yang
Networked virtual reality (NVR) whiteboards are increasingly important for enabling geographically dispersed users to engage in real-time idea sharing, collaborative design, and di…
TPIFM: A Task-Aware Model for Evaluating Perceptual Interaction Fluency in Remote AR Collaboration
Jiarun Song, Ninghao Wan, Fuzheng Yang +1
Remote Collaborative Augmented Reality (RCAR) enables geographically distributed users to collaborate by integrating virtual and physical environments. However, because RCAR relies…
From Perception to Cognition: How Latency Affects Interaction Fluency and Social Presence in VR Conferencing
Jiarun Song, Ninghao Wan, FuZheng Yang +1
Virtual reality (VR) conferencing has the potential to provide geographically dispersed users with an immersive environment, enabling rich social interactions and user experience u…