activity
20192026
most citedIdentity-Guided Human Semantic Parsing for Person Re-Identification

36 citations · 53 across the 36 of their papers we have counts for

collaborators

36 papers

cs.CV2026

Routing Before Looking: Query-Adaptive Evidence Acquisition for Long-form Video Understanding

Tianyue Wang, Xuying Wu, Yuxiang Ma +7

Long-form video understanding remains challenging for video agents due to the mismatch between query demands and evidence acquisition strategies. Although recent planning-before-pe…

cs.LG2026

Continual Learning in Transition

Zhiyan Hou, Dan Zhang, Tao Feng +11

Classical continual learning (CL) has primarily focused on enabling models to update and retain knowledge through parameter-centric mechanisms, e.g., training strategies, architect…

cs.AI2026

DASH: Divergence-Adaptive Supervision Horizons for On-Policy Self-Distillation of Reasoning Models

ZhiYan Hou, Xinyu Tang, Hongyan An +9

Reinforcement learning with verifiable rewards (RLVR) improves the reasoning capabilities of large language models using automatically verifiable outcome signals, but these signals…

cs.CV2026

PixVL: Self-Supervised Training of Pixel-Level MLLMs via a Unified Mask--Text Consistency Cycle

Yicheng Xiao, Haoxuan Ma, Caorui Li +7

Recent studies develop pixel-level multimodal large language models (MLLMs) that support both Region Segmentation and Region Understanding, extending multimodal interaction from wh…

cs.AI2026

Don't Mix Rewards, Mix Policies: Policy Decomposition and Optimization for Multi-Reward RL

Ruiming Liang, Yi Zhong, Yizhen Yuan +6

Modern large language models (LLMs) are expected not just to answer correctly, but to adapt their behavior to different human values and use cases. As a result, multi-reward reinfo…

cs.CV2026

ReLoop-UME: Recurrent Depth with Learnable Retrieval Registers for Universal Multimodal Embedding

Shijie Wang, Xiangzhao Hao, Yueti Li +3

Universal multimodal embedding (UME) maps heterogeneous multimodal inputs into a shared embedding space. Existing UME models either form embeddings through single forward encoding…

cs.LG2026

On-Policy Distillation with Curriculum Turn-level Guidance for Multi-turn Agents

Gengsheng Li, Mao Zheng, Mingyang Song +8

Multi-turn agents that plan, invoke tools, and interact with environments offer a promising paradigm for solving complex tasks, yet their capabilities typically rely on very large…

cs.CL2026

ResMerge: Residual-based Spectral Merging of Large Language Models

Yandu Sun, Zhiyan Hou, Hongyan An +6

Model merging offers a training-free way to combine multiple post-trained expert models, but merging experts obtained through reinforcement learning (RL) remains challenging. Exist…

cs.CV2026

ST-Prune: Training-Free Spatio-Temporal Token Pruning for Vision-Language Models in Autonomous Driving

Lin Sha, Haiyun Guo, Tao Wang +4

Vision-Language Models (VLMs) have become central to autonomous driving systems, yet their deployment is severely bottlenecked by the massive computational overhead of multi-view c…

cs.CV2026

PLUME: Latent Reasoning Based Universal Multimodal Embedding

Chenwei He, Xiangzhao Hao, Tianyu Yang +6

Universal multimodal embedding (UME) maps heterogeneous inputs into a shared retrieval space with a single model. Recent approaches improve UME by generating explicit chain-of-thou…

cs.CV2026

CLEAR: Unlocking Generative Potential for Degraded Image Understanding in Unified Multimodal Models

Xiangzhao Hao, Zefeng Zhang, Zhenyu Zhang +6

Image degradation from blur, noise, compression, and poor illumination severely undermines multimodal understanding in real-world settings. Unified multimodal models that combine u…

cs.LG2026

Unifying Group-Relative and Self-Distillation Policy Optimization via Sample Routing

Gengsheng Li, Tianyu Yang, Junfeng Fang +6

Reinforcement learning with verifiable rewards (RLVR) has become a standard paradigm for post-training large language models. While Group Relative Policy Optimization (GRPO) is wid…

cs.CV2026

ReCALL: Recalibrating Capability Degradation for MLLM-based Composed Image Retrieval

Tianyu Yang, Chenwei He, Xiangzhao Hao +6

Composed Image Retrieval (CIR) aims to retrieve target images based on a hybrid query comprising a reference image and a modification text. Early dual-tower Vision-Language Models…

cs.CV2026

WISER: Wider Search, Deeper Thinking, and Adaptive Fusion for Training-Free Zero-Shot Composed Image Retrieval

Tianyue Wang, Leigang Qu, Tianyu Yang +4

Zero-Shot Composed Image Retrieval (ZS-CIR) aims to retrieve target images given a multimodal query (comprising a reference image and a modification text), without training on anno…

cs.AI2026

Rethinking Representativeness and Diversity in Dynamic Data Selection

Yuzhe Zhou, Zhenglin Hua, Haiyun Guo +1

Dynamic data selection accelerates training by sampling a changing subset of the dataset while preserving accuracy. We rethink two core notions underlying sample evaluation: repres…

cs.CV2026

TRACE: Task-Adaptive Reasoning and Representation Learning for Universal Multimodal Retrieval

Xiangzhao Hao, Shijie Wang, Tianyu Yang +3

Universal Multimodal Retrieval requires unified embedding models capable of interpreting diverse user intents, ranging from simple keywords to complex compositional instructions. W…

cs.LG2026

R-Diverse: Mitigating Diversity Illusion in Self-Play LLM Training

Gengsheng Li, Jinghan He, Shijie Wang +7

Self-play bootstraps LLM reasoning through an iterative Challenger-Solver loop: the Challenger is trained to generate questions that target the Solver's capabilities, and the Solve…

cs.CV2026

Active Zero: Self-Evolving Vision-Language Models through Active Environment Exploration

Jinghan He, Junfeng Fang, Feng Xiong +5

Self-play has enabled large language models to autonomously improve through self-generated challenges. However, existing self-play methods for vision-language models rely on passiv…

cs.LG2026

PASs-MoE: Mitigating Misaligned Co-drift among Router and Experts via Pathway Activation Subspaces for Continual Learning

Zhiyan Hou, Haiyun Guo, Haokai Ma +3

Continual instruction tuning (CIT) requires multimodal large language models (MLLMs) to adapt to a stream of tasks without forgetting prior capabilities. A common strategy is to is…

cs.CV2025

PixCLIP: Achieving Fine-grained Visual Language Understanding via Any-granularity Pixel-Text Alignment Learning

Yicheng Xiao, Yu Chen, Haoxuan Ma +5

While the Contrastive Language-Image Pretraining(CLIP) model has achieved remarkable success in a variety of downstream vison language understanding tasks, enhancing its capability…

cs.CL2025

MLLM-CTBench: A Benchmark for Continual Instruction Tuning with Reasoning Process Diagnosis

Haiyun Guo, Zhiyan Hou, Yandu Sun +6

Continual instruction tuning(CIT) during the post-training phase is crucial for adapting multimodal large language models (MLLMs) to evolving real-world demands. However, the progr…

cs.CV2025

UniFGVC: Universal Training-Free Few-Shot Fine-Grained Vision Classification via Attribute-Aware Multimodal Retrieval

Hongyu Guo, Xiangzhao Hao, Jiarui Guo +3

Few-shot fine-grained visual classification (FGVC) aims to discriminate between subtly different categories with very limited data. While Multimodal Large Language Models (MLLM) ex…

cs.CV2025

FOCUS: Fine-grained Optimization with Semantic Guided Understanding for Pedestrian Attributes Recognition

Hongyan An, Kuan Zhu, Xin He +4

Pedestrian attribute recognition (PAR) is a fundamental perception task in intelligent transportation and security. To tackle this fine-grained task, most existing methods focus on…

cs.CV2025

Referring Expression Instance Retrieval and A Strong End-to-End Baseline

Xiangzhao Hao, Kuan Zhu, Hongyu Guo +5

Using natural language to query visual information is a fundamental need in real-world applications. Text-Image Retrieval (TIR) retrieves a target image from a gallery based on an…