collaborators

9 papers

cs.HC2026

Memdora: Designing Cognitively-Grounded Flashcard Interactions for AI-Powered Spaced Repetition

Ruiyang Zhang

Spaced repetition systems (SRS) have demonstrated robust effects on long-term retention, yet existing tools reduce the flashcard interaction to a single binary gesture: flip and se…

cs.CV2026

Enhancing In-context Panoramic Generation via Geometric-aware Pretraining

Haoran Feng, Ruiyang Zhang, Longyi Zhang +2

In this work, we present Canvas360, a two-stage framework for in-context panoramic generation that combines geometry-aware pretraining with downstream task-specific fine-tuning. To…

cs.CV2026

The 1st PortraitCraft Challenge: A CVPR 2026 Workshop Competition on Portrait Composition Understanding and Generation

Zijie Lou, Youyun Tang, Xiaochao Qu +40

This paper presents an overview of the inaugural PortraitCraft Challenge, held as one of the official competitions at CVPR 2026. The challenge focuses on portrait composition under…

cs.LG2026

Demystifying Reinforcement Learning for Long-Horizon Tool-Using Agents: A Comprehensive Recipe

Xixi Wu, Qianguo Sun, Ruiyang Zhang +4

Reinforcement Learning (RL) is essential for evolving Large Language Models (LLMs) into autonomous agents capable of long-horizon planning, yet a practical recipe for scaling RL in…

cs.CV2026

VSearcher: Long-Horizon Multimodal Search Agent via Reinforcement Learning

Ruiyang Zhang, Qianguo Sun, Chao Song +2

Large models are increasingly becoming autonomous agents that interact with real-world environments and use external tools to augment their static capabilities. However, most recen…

cs.CV2026

SketchThinker-R1: Towards Efficient Sketch-Style Reasoning in Large Multimodal Models

Ruiyang Zhang, Dongzhan Zhou, Zhedong Zheng

Despite the empirical success of extensive, step-by-step reasoning in large multimodal models, long reasoning processes inevitably incur substantial computational overhead, i.e., i…