activity
20232026
most citedInpaint4DNeRF: Promptable Spatio-Temporal NeRF Inpainting with Generative Diffusion Models

2 citations · 6 across the 30 of their papers we have counts for

collaborators

31 papers

cs.CV2026

Beyond Masks and Trajectories: Flow-Guided Latent Action Injection for Stable Surgical Video Generation

Tsz-Yui Qin, Siyu Zhou, Chi-Keung Tang +2

Surgical video generation holds substantial potential for surgical education, simulation, and data augmentation, yet generating surgical videos with realistic and clinically plausi…

cs.CV2026

Real2Sim in HOI: Toward Physically Plausible HOI Reconstruction from Monocular Videos

Yubo Zhao, Yujin Chai, Yunao Dong +4

Recovering 4D human-object interaction (HOI) from monocular video is a key step toward scalable 3D content creation, embodied AI, and simulation-based learning. Recent methods can…

cs.CV2026

TransmissiveGS: Residual-Guided Disentangled Gaussian Splatting for Transmissive Scene Reconstruction and Rendering

Zhenyu Liang, Xiao Zhang, Tianchao Li +2

Transmissive scenes are ubiquitous in daily life, yet reconstructing and rendering them remains highly challenging due to the inherent entanglement between near-field reflections f…

cs.CV2026

SK-Adapter: Skeleton-Based Structural Control for Native 3D Generation

Anbang Wang, Yuzhuo Ao, Shangzhe Wu +1

Native 3D generative models have achieved remarkable fidelity and speed, yet they suffer from a critical limitation: inability to prescribe precise structural articulations, where…

cs.RO2026

ReasonNavi: Human-Inspired Global Map Reasoning for Zero-Shot Embodied Navigation

Yuzhuo Ao, Anbang Wang, Yu-Wing Tai +1

Embodied agents often struggle with efficient navigation because they rely primarily on partial egocentric observations, which restrict global foresight and lead to inefficient exp…

cs.CV2026

CoT-Seg: Rethinking Segmentation with Chain-of-Thought Reasoning and Self-Correction

Shiu-hong Kao, Chak Ho Huang, Huaiqian Liu +2

Existing works of reasoning segmentation often fall short in complex cases, particularly when addressing complicated queries and out-of-domain images. Inspired by the chain-of-thou…

cs.CV2025

Trace Anything: Representing Any Video in 4D via Trajectory Fields

Xinhang Liu, Yuxi Xiao, Donny Y. Chen +4

Effective spatio-temporal representation is fundamental to modeling, understanding, and predicting dynamics in videos. The atomic unit of a video, the pixel, traces a continuous 3D…

cs.CV2025

SmartAvatar: Text- and Image-Guided Human Avatar Generation with VLM AI Agents

Alexander Huang-Menders, Xinhang Liu, Andy Xu +3

SmartAvatar is a vision-language-agent-driven framework for generating fully rigged, animation-ready 3D human avatars from a single photo or textual prompt. While diffusion-based m…

cs.CV2025

Agentic 3D Scene Generation with Spatially Contextualized VLMs

Xinhang Liu, Yu-Wing Tai, Chi-Keung Tang

Despite recent advances in multimodal content generation enabled by vision-language models (VLMs), their ability to reason about and generate structured 3D scenes remains largely u…

cs.CV2025★ 1 cited

CoT-RVS: Zero-Shot Chain-of-Thought Reasoning Segmentation for Videos

Shiu-hong Kao, Yu-Wing Tai, Chi-Keung Tang

Reasoning Video Object Segmentation is a challenging task, aiming at generating a mask sequence from an input video given a complex and implicit text query. While existing works fi…

cs.CV2025

Multimodal Generation of Animatable 3D Human Models with AvatarForge

Xinhang Liu, Yu-Wing Tai, Chi-Keung Tang

We introduce AvatarForge, a framework for generating animatable 3D human avatars from text or image inputs using AI-driven procedural generation. While diffusion-based methods have…

cs.CV2025

Think Before You Segment: High-Quality Reasoning Segmentation with GPT Chain of Thoughts

Shiu-hong Kao, Yu-Wing Tai, Chi-Keung Tang

Reasoning segmentation is a challenging vision-language task that aims to output the segmentation mask with respect to a complex, implicit, and even non-visual query text. Previous…

cs.AI2025

Navigating Motion Agents in Dynamic and Cluttered Environments through LLM Reasoning

Yubo Zhao, Qi Wu, Yifan Wang +2

This paper advances motion agents empowered by large language models (LLMs) toward autonomous navigation in dynamic and cluttered environments, significantly surpassing first and r…

cs.SD2025

ReelWave: Multi-Agentic Movie Sound Generation through Multimodal LLM Conversation

Zixuan Wang, Chi-Keung Tang, Yu-Wing Tai

Current audio generation conditioned by text or video focuses on aligning audio with text/video modalities. Despite excellent alignment results, these multimodal frameworks still c…

cs.CV2025

WorldCraft: Photo-Realistic 3D World Creation and Customization via LLM Agents

Xinhang Liu, Chi-Keung Tang, Yu-Wing Tai

Constructing photorealistic virtual worlds has applications across various fields, but it often requires the extensive labor of highly trained professionals to operate conventional…

cs.CV2025

UVRM: A Scalable 3D Reconstruction Model from Unposed Videos

Shiu-hong Kao, Xiao Li, Jinglu Wang +4

Large Reconstruction Models (LRMs) have recently become a popular method for creating 3D foundational models. Training 3D reconstruction models with 2D visual data traditionally re…

cs.SD2024

Audio-Agent: Leveraging LLMs For Audio Generation, Editing and Composition

Zixuan Wang, Chi-Keung Tang, Yu-Wing Tai

We introduce Audio-Agent, a multimodal framework for audio generation, editing and composition based on text or video inputs. Conventional approaches for text-to-audio (TTA) tasks…

cs.CV2024

ChatCam: Empowering Camera Control through Conversational AI

Xinhang Liu, Yu-Wing Tai, Chi-Keung Tang

Cinematographers adeptly capture the essence of the world, crafting compelling visual narratives through intricate camera movements. Witnessing the strides made by large language m…

cs.CV2024

VP-LLM: Text-Driven 3D Volume Completion with Large Language Models through Patchification

Jianmeng Liu, Yichen Liu, Yuyao Zhang +3

Recent conditional 3D completion works have mainly relied on CLIP or BERT to encode textual information, which cannot support complex instruction. Meanwhile, large language models…

cs.CV2024

Gear-NeRF: Free-Viewpoint Rendering and Tracking with Motion-aware Spatio-Temporal Sampling

Xinhang Liu, Yu-Wing Tai, Chi-Keung Tang +3

Extensions of Neural Radiance Fields (NeRFs) to model dynamic scenes have enabled their near photo-realistic, free-viewpoint rendering. Although these methods have shown some poten…

cs.AI2024

C3LLM: Conditional Multimodal Content Generation Using Large Language Models

Zixuan Wang, Qinkai Duan, Yu-Wing Tai +1

We introduce C3LLM (Conditioned-on-Three-Modalities Large Language Models), a novel framework combining three tasks of video-to-audio, audio-to-text, and text-to-audio together. C3…

cs.CV2024★ 1 cited

Motion-Agent: A Conversational Framework for Human Motion Generation with LLMs

Qi Wu, Yubo Zhao, Yifan Wang +3

While previous approaches to 3D human motion generation have achieved notable success, they often rely on extensive training and are limited to specific tasks. To address these cha…

cs.CV2024

FED-NeRF: Achieve High 3D Consistency and Temporal Coherence for Face Video Editing on Dynamic NeRF

Hao Zhang, Yu-Wing Tai, Chi-Keung Tang

The success of the GAN-NeRF structure has enabled face editing on NeRF to maintain 3D view consistency. However, achieving simultaneously multi-view consistency and temporal cohere…

cs.CV2023★ 2 cited

Inpaint4DNeRF: Promptable Spatio-Temporal NeRF Inpainting with Generative Diffusion Models

Han Jiang, Haosen Sun, Ruoxuan Li +2

Current Neural Radiance Fields (NeRF) can generate photorealistic novel views. For editing 3D scenes represented by NeRF, with the advent of generative models, this paper proposes…