activity
20242026
collaborators

15 papers

cs.AI2026

AlayaWorld: Interactive Long-Horizon World Modeling - Full Technical Report (v1.1)

AlayaWorld Team, Kaipeng Zhang, Chuanhao Li +15

This report presents an improved version of AlayaWorld. While the backbone architecture, chunk-wise autoregressive generation scheme, and training data remain unchanged from the pr…

cs.CV2026

HelloWorld: Enabling Socially Interactive Characters in Video World Models

Liangyang Ouyang, Ruicong Liu, Xuangeng Chu +2

Despite the remarkable recent progress of video world models, social interaction between users and the characters within these worlds remains unsupported. To fill this gap, we pres…

cs.AI2026

AlayaWorld: Interactive Long-Horizon World Modeling -- Full Technical Report

AlayaWorld Team, Kaipeng Zhang, Chuanhao Li +15

Unlike conventional video game development, which relies on labor-intensive pipelines for asset production, animation, physics, and programming, video world models generate interac…

cs.CV2026

AlayaWorld: Long-Horizon and Playable Video World Generation

AlayaWorld Team, Kaipeng Zhang, Chuanhao Li +14

Game worlds have traditionally been built through labor-intensive production pipelines, making them costly to develop, difficult to customization, and expensive to modify after dep…

cs.AI2026

Perception or Prejudice: Can MLLMs Go Beyond First Impressions of Personality?

Caixin Kang, Tianyu Yan, Sitong Gong +8

Multimodal Large Language Models (MLLMs) are increasingly deployed in human-facing roles where personality perception is critical, yet existing benchmarks evaluate this capability…

cs.HC2025

Living the Novel: A System for Generating Self-Training Timeline-Aware Conversational Agents from Novels

Yifei Huang, Tianyu Yan, Sitong Gong +5

We present the Living Novel, an end-to-end system that transforms any literary work into an immersive, multi-character conversational experience. This system is designed to solve t…

cs.CV2025

Towards Interactive Intelligence for Digital Humans

Yiyi Cai, Xuangeng Chu, Xiwei Gao +16

We introduce Interactive Intelligence, a novel paradigm of digital human that is capable of personality-aligned expression, adaptive interaction, and self-evolution. To realize thi…

cs.CV2025

UniLS: End-to-End Audio-Driven Avatars for Unified Listening and Speaking

Xuangeng Chu, Ruicong Liu, Yifei Huang +3

Generating lifelike conversational avatars requires modeling not just isolated speakers, but the dynamic, reciprocal interaction of speaking and listening. However, modeling the li…

cs.CV2025

Can MLLMs Read the Room? A Multimodal Benchmark for Assessing Deception in Multi-Party Social Interactions

Caixin Kang, Yifei Huang, Liangyang Ouyang +3

Despite their advanced reasoning capabilities, state-of-the-art Multimodal Large Language Models (MLLMs) still lack a core component of human intelligence: the ability to "read the…

cs.CV2025

SFHand: Learning Embodied Manipulation by Streaming Egocentric 3D Hand Forecasting

Ruicong Liu, Yifei Huang, Liangyang Ouyang +2

Real-time 3D hand forecasting is a critical component for fluid human-computer interaction in applications like AR and assistive robotics. However, existing methods are ill-suited…

cs.CV2025

AssemblyHands-X: Modeling 3D Hand-Body Coordination for Understanding Bimanual Human Activities

Tatsuro Banno, Takehiko Ohkawa, Ruicong Liu +2

Bimanual human activities inherently involve coordinated movements of both hands and body. However, the impact of this coordination in activity understanding has not been systemati…

cs.CV2025

Leveraging RGB Images for Pre-Training of Event-Based Hand Pose Estimation

Ruicong Liu, Takehiko Ohkawa, Tze Ho Elden Tse +3

This paper presents RPEP, the first pre-training method for event-based 3D hand pose estimation using labeled RGB images and unpaired, unlabeled event data. Event data offer signif…

cs.CV2025

Egocentric Action-aware Inertial Localization in Point Clouds with Vision-Language Guidance

Mingfang Zhang, Ryo Yonetani, Yifei Huang +3

This paper presents a novel inertial localization framework named Egocentric Action-aware Inertial Localization (EAIL), which leverages egocentric action cues from head-mounted IMU…

cs.CV2024

ActionVOS: Actions as Prompts for Video Object Segmentation

Liangyang Ouyang, Ruicong Liu, Yifei Huang +2

Delving into the realm of egocentric vision, the advancement of referring video object segmentation (RVOS) stands as pivotal in understanding human activities. However, existing RV…

cs.CV2024

Masked Video and Body-worn IMU Autoencoder for Egocentric Action Recognition

Mingfang Zhang, Yifei Huang, Ruicong Liu +1

Compared with visual signals, Inertial Measurement Units (IMUs) placed on human limbs can capture accurate motion signals while being robust to lighting variation and occlusion. Wh…