activity
20232026
most citedReinforcement Learning Approaches for Traffic Signal Control under Missing Data

16 citations · 41 across the 23 of their papers we have counts for

collaborators

28 papers

cs.CV2026

TwinPrune: Density-Aware Two-Phase Token Pruning for Vision-Language Models

Kai Liu, Anqi Li, Junxian Li +4

We propose a unified spatial-density signal to score token importance for both inference phases: bipartite merge for prefill and KV eviction for decode, yielding measurable gains i…

cs.CV2026

Fewer Tokens, More Self-Teaching: On-Policy Self-Distillation for Extreme Visual Token Reduction

Junxian Li, Ruixuan Yang, Tianao Zhang +3

Visual token reduction is an effective way to accelerate multimodal large language models (MLLMs), but performance deteriorates rapidly under extremely low token budgets. Existing…

cs.CV2026

ET-Prune: Evidence-Aware Dynamic Budgeting for Visual Token Pruning in Text-Rich MLLMs

Zizhong Ding, Junxian Li, Kai Liu +4

Visual token pruning reduces the inference cost of multimodal large language models, but a fixed token ratio is poorly matched to text-rich inputs. In OCR-centric tasks, decisive e…

cs.CV2026

TurboClear: One-Step Object-Effect Removal via Region-Calibrated Distribution Matching and Fusion

Jiawei Guo, Junxian Li, Yixin Tang +4

Recently, diffusion-based removal methods have achieved promising visual quality in removing both target objects and their associated effects. However, they typically rely on multi…

cs.CV2026

Cross-Branch Conflict as a Shield: Safeguarding Facial Identities in Unified Multimodal Image Editing

Weiwei Tan, Junxian Li, Rui Wang +3

Unified multimodal models (UMMs) have recently demonstrated powerful instruction-based image editing capabilities, while also raising serious concerns about the unauthorized manipu…

cs.CV2026

PermuQuant: Lowering Per-Group Quantization Error by Reordering Channels for Diffusion Models

Yongsen Cheng, Kai Liu, Kaiwen Tao +5

Large-scale visual generative models have achieved remarkable performance. However, their high computational and memory costs make deployment challenging in resource-constrained sc…

cs.CV2026

GTR: Generation-Guided Visual Token Reduction for Separate-Encoder Unified Multimodal Models

Junxian Li, Kai Liu, Zizhong Ding +4

The development of separate-encoder Unified multimodal models (UMMs) comes with a rapidly growing inference cost due to dense visual token processing. In this paper, we focus on un…

cs.AI2026

-mem: Efficient Online Memory for Large Language Models

Jingdi Lei, Di Zhang, Junxian Li +7

Large language models increasingly need to accumulate and reuse historical information in long-term assistants and agent systems. Simply expanding the context window is costly and…

cs.CV2026

FlashClear: Ultra-Fast Image Content Removal via Efficient Step Distillation and Feature Caching

Yixin Tang, Jiawei Guo, Junxian Li +6

Recently, diffusion-based object removal models have achieved impressive results in eliminating objects and their associated visual effects. However, they indiscriminately denoise…

cs.CV2026

StreamMeCo: Long-Term Agent Memory Compression for Efficient Streaming Video Understanding

Junxi Wang, Te Sun, Jiayi Zhu +6

Vision agent memory has shown remarkable effectiveness in streaming video understanding. However, storing such memory for videos incurs substantial memory overhead, leading to high…

cs.CR2026

AttnDiff: Attention-based Differential Fingerprinting for Large Language Models

Haobo Zhang, Zhenhua Xu, Junxian Li +3

Protecting the intellectual property of open-weight large language models (LLMs) requires verifying whether a suspect model is derived from a victim model despite common laundering…

cs.CR2026

SlowBA: An efficiency backdoor attack towards VLM-based GUI agents

Junxian Li, Tu Lan, Haozhen Tan +2

Modern vision-language-model (VLM) based graphical user interface (GUI) agents are expected not only to execute actions accurately but also to respond to user instructions with low…

cs.CV2026

PlanViz: Evaluating Planning-Oriented Image Generation and Editing for Computer-Use Tasks

Junxian Li, Kai Liu, Leyang Chen +7

Unified multimodal models (UMMs) have shown impressive capabilities in complex natural image generation. However, their potential in computer-use planning tasks, which are closely…

cs.CV2025

S-MLLM: Boosting Spatial Reasoning Capability of MLLMs for 3D Visual Grounding with Structural Guidance

Beining Xu, Siting Zhu, Zhao Jin +2

3D Visual Grounding (3DVG) focuses on locating objects in 3D scenes based on natural language descriptions, serving as a fundamental task for embodied AI and robotics. Recent advan…

cs.AI2025

Faithful-First Reasoning, Planning, and Acting for Multimodal LLMs

Junxian Li, Xinyue Xu, Sai Ma +2

Multimodal Large Language Models (MLLMs) frequently suffer from unfaithfulness, generating reasoning chains that drift from visual evidence or contradict final predictions. We prop…

cs.AI2025

AI for Service: Proactive Assistance with AI Glasses

Zichen Wen, Yiyu Wang, Chenfei Liao +10

In an era where AI is evolving from a passive tool into an active and adaptive companion, we introduce AI for Service (AI4Service), a new paradigm that enables proactive and real-t…

cs.HC2025

MusicScaffold: Bridging Machine Efficiency and Human Growth in Adolescent Creative Education through Generative AI

Zhejing Hu, Yan Liu, Zhi Zhang +4

Adolescence is marked by strong creative impulses but limited strategies for structured expression, often leading to frustration or disengagement. While generative AI lowers techni…

cs.CL2025★ 1 cited

Mol-R1: Towards Explicit Long-CoT Reasoning in Molecule Discovery

Jiatong Li, Weida Wang, Qinggang Zhang +6

Large language models (LLMs), especially Explicit Long Chain-of-Thought (CoT) reasoning models like DeepSeek-R1 and QWQ, have demonstrated powerful reasoning capabilities, achievin…

cs.CV2025

IAG: Input-aware Backdoor Attack on VLM-based Visual Grounding

Junxian Li, Beining Xu, Simin Chen +4

Recent advances in vision-language models (VLMs) have significantly enhanced the visual grounding task, which involves locating objects in an image based on natural language querie…

cs.AI2025

Control-R: Towards controllable test-time scaling

Di Zhang, Weida Wang, Junxian Li +10

This paper target in addressing the challenges of underthinking and overthinking in long chain-of-thought (CoT) reasoning for Large Reasoning Models (LRMs) by introducing Reasoning…

q-bio.BM2024

Biology-Instructions: A Dataset and Benchmark for Multi-Omics Sequence Understanding Capability of Large Language Models

Haonan He, Yuchen Ren, Yining Tang +12

Large language models (LLMs) have shown remarkable capabilities in general domains, but their application to multi-omics biology remains underexplored. To address this gap, we intr…

cs.CL2024★ 2 cited

Speak-to-Structure: Evaluating LLMs in Open-domain Natural Language-Driven Molecule Generation

Jiatong Li, Junxian Li, Weida Wang +6

Recently, Large Language Models (LLMs) have demonstrated great potential in natural language-driven molecule discovery. However, existing datasets and benchmarks for molecule-text…

cs.CV2024★ 1 cited

Critic-V: VLM Critics Help Catch VLM Errors in Multimodal Reasoning

Di Zhang, Junxian Li, Jingdi Lei +10

Vision-language models (VLMs) have shown remarkable advancements in multimodal reasoning tasks. However, they still often generate inaccurate or irrelevant responses due to issues…

cs.LG2024★ 4 cited

ChemVLM: Exploring the Power of Multimodal Large Language Models in Chemistry Area

Junxian Li, Di Zhang, Xunzhi Wang +16

Large Language Models (LLMs) have achieved remarkable success and have been applied across various scientific fields, including chemistry. However, many chemical tasks require the…