Xichen Zhang

4 papers · 2026–2026 · 2 venues · across top CS/AI venues

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Achievements

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🌍 Conference Polyglot · Bronze 🌉 Interdisciplinary Bridge · Bronze 🗺️ Taxonomy Completionist (10)

Venues

ACL (2) CVPR (2)

Top co-authors

Jiaya Jia (4) Haoru Tan (3) Sitong Wu (3) Shaozuo Yu (2) Wenhu Zhang (2) bin xia (2) Bei Yu (2) Meng Chu (2) Xiaojuan Qi (2) Jingyao Li (1)

Research topics

Artificial Intelligence (4) Core AI (4) Computer Vision (1) Deep Learning (1) Reinforcement Learning (1) Generation (1) Learning Types (1) Methods (1)

Keywords

policy optimization (3) credit assignment (2) curriculum learning (1) text-to-image generation (1) knowledge graph (1) vision-language model (1) taylor approximation (1) process reward model (1) image-to-image generation (1) large language model (1) token-level reward (1) search agent (1) semantic verification (1) reward calibration (1) reinforcement learning (1) reward attribution (1) sim-to-real transfer (1)

Papers

SearchGym: Bootstrapping Real-World Search Agents via Cost-Effective and High-Fidelity Environment Simulation ACL 2026 TRAC: Teacher-Guided Token Reward with Adaptive Calibration for Robust Policy Optimization ACL 2026 Unlocking Token Rewards via Training-Free Reward Attribution CVPR 2026 VisionDirector: Vision-Language Guided Closed-Loop Refinement for Generative Image Synthesis CVPR 2026