activity
20242026
collaborators

6 papers

cs.CV2026

MultiModal Code-Switching: Interleaving Visual Objects into Language for Explicit Object-Level Alignment

Changhao Xiang, Shangyu Xing, Zhen Wu +2

Existing Multimodal Large Language Models (MLLMs) predominantly rely on image-text pairs for modality alignment pretraining, mapping global image representations to long textual de…

cs.CL2026

GePBench: Evaluating Fundamental Geometric Perception for Multimodal Large Language Models

Shangyu Xing, Changhao Xiang, Yuteng Han +6

Geometric shapes play important roles in both physical world and human cognition. While multimodal large language models (MLLMs) have made significant advancements in visual unders…

cs.CL2026

Lookahead Tree-Based Rollouts for Enhanced Trajectory-Level Exploration in Reinforcement Learning with Verifiable Rewards

Shangyu Xing, Siyuan Wang, Chenyuan Yang +2

Reinforcement Learning with Verifiable Rewards (RLVR), particularly with algorithms like Group Relative Policy Optimization (GRPO), has proven highly effective in enhancing the rea…

cs.CL2025

RealBench: A Chinese Multi-image Understanding Benchmark Close to Real-world Scenarios

Fei Zhao, Chengqiang Lu, Yufan Shen +9

While various multimodal multi-image evaluation datasets have been emerged, but these datasets are primarily based on English, and there has yet to be a Chinese multi-image dataset…

cs.LG2025

Anyprefer: An Agentic Framework for Preference Data Synthesis

Yiyang Zhou, Zhaoyang Wang, Tianle Wang +13

High-quality preference data is essential for aligning foundation models with human values through preference learning. However, manual annotation of such data is often time-consum…

cs.CL2024

AlignGPT: Multi-modal Large Language Models with Adaptive Alignment Capability

Fei Zhao, Taotian Pang, Chunhui Li +4

Multimodal Large Language Models (MLLMs) are widely regarded as crucial in the exploration of Artificial General Intelligence (AGI). The core of MLLMs lies in their capability to a…