Xichen Zhang's picture

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Xichen Zhang

hkuzxc

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hkuzxc

AI & ML interests

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Recent Activity

authored a paper 23 days ago

Scaf-GRPO: Scaffolded Group Relative Policy Optimization for Enhancing LLM Reasoning

authored a paper 23 days ago

SearchGym: Bootstrapping Real-World Search Agents via Cost-Effective and High-Fidelity Environment Simulation

authored a paper 23 days ago

VisionDirector: Vision-Language Guided Closed-Loop Refinement for Generative Image Synthesis

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hkuzxc 's datasets 4

hkuzxc/SearchGym-test-data

Preview • Updated Jan 23 • 24

hkuzxc/scaf-grpo-dataset

Viewer • Updated Oct 25, 2025 • 14.2k • 80

hkuzxc/canny_color_ref

Viewer • Updated Apr 10, 2025 • 11.9k • 5

hkuzxc/more_ref_try_on

Updated Mar 31, 2025 • 5