activity
20232026
most citedOccDepth: A Depth-Aware Method for 3D Semantic Scene Completion

39 citations · 59 across the 24 of their papers we have counts for

collaborators

24 papers

cs.AI2026

VLM-in-Sandbox: Visual Workspaces for Agentic Visual Reasoning

Hexiong Yang, Mingrui Chen, Jie Cao +1

Sandboxed computer environments support multi-step reasoning with tools, executable programs, and persistent files, yet their extension from language models to vision-language mode…

cs.CL2026

OmniEdu: Open Foundation Models for Learning and Teaching

Hao Liang, Qihan Lin, Meiyi Qiang +5

Educational foundation models must solve problems, understand curriculum structure, diagnose learner difficulties, and provide appropriate instructional support. Existing education…

cs.LG2026

DataFlex-RL: An Evaluation Platform for RLVR Data Policies

Hao Liang, Mingrui Chen, Hengyi Feng +2

Data policies for reinforcement learning with verifiable rewards (RLVR) determine which rollouts are used, how strongly they are weighted, and which domains contribute to subsequen…

cs.MM2026

FLARE: Full-Modality Long-Video Audiovisual Retrieval Benchmark with User-Simulated Queries

Qijie You, Hao Liang, Mingrui Chen +4

As video becomes increasingly central to information dissemination and multimodal large language models (MLLMs) continue to advance, evaluating video retrieval has become increasin…

cs.CV2026

TraceAV-Bench: Benchmarking Multi-Hop Trajectory Reasoning over Long Audio-Visual Videos

Hengyi Feng, Hao Liang, Mingrui Chen +6

Real-world audio-visual understanding requires chaining evidence that is sparse, temporally dispersed, and split across the visual and auditory streams, whereas existing benchmarks…

cs.CV2026

Advancing Vision Transformer with Enhanced Spatial Priors

Qihang Fan, Huaibo Huang, Mingrui Chen +2

In recent years, the Vision Transformer (ViT) has garnered significant attention within the computer vision community. However, the core component of ViT, Self-Attention, lacks exp…

cs.LG2026

DataFlex: A Unified Framework for Data-Centric Dynamic Training of Large Language Models

Hao Liang, Zhengyang Zhao, Meiyi Qiang +22

Data-centric training has emerged as a promising direction for improving large language models (LLMs) by optimizing not only model parameters but also the selection, composition, a…

cs.CV2026

Think 360°: Evaluating the Width-centric Reasoning Capability of MLLMs Beyond Depth

Mingrui Chen, Hexiong Yang, Haogeng Liu +2

In this paper, we present a holistic multimodal benchmark that evaluates the reasoning capabilities of MLLMs with an explicit focus on reasoning width, a complementary dimension to…

cs.CL2026

Step 3.5 Flash: Open Frontier-Level Intelligence with 11B Active Parameters

Ailin Huang, Ang Li, Aobo Kong +213

We introduce Step 3.5 Flash, a sparse Mixture-of-Experts (MoE) model that bridges frontier-level agentic intelligence and computational efficiency. We focus on what matters most wh…

cs.CL2025

Step-DeepResearch Technical Report

Chen Hu, Haikuo Du, Heng Wang +64

As LLMs shift toward autonomous agents, Deep Research has emerged as a pivotal metric. However, existing academic benchmarks like BrowseComp often fail to meet real-world demands f…

cs.AI2025

SciAgent: A Unified Multi-Agent System for Generalistic Scientific Reasoning

Xuchen Li, Ruitao Wu, Xuanbo Liu +17

Recent advances in large language models have enabled AI systems to achieve expert-level performance on domain-specific scientific tasks, yet these systems remain narrow and handcr…

cs.AI2025

MorphoBench: A Benchmark with Difficulty Adaptive to Model Reasoning

Xukai Wang, Xuanbo Liu, Mingrui Chen +16

With the advancement of powerful large-scale reasoning models, effectively evaluating the reasoning capabilities of these models has become increasingly important. However, existin…

cs.CL2025★ 1 cited

Step-Audio 2 Technical Report

Boyong Wu, Chao Yan, Chen Hu +106

This paper presents Step-Audio 2, an end-to-end multi-modal large language model designed for industry-strength audio understanding and speech conversation. By integrating a latent…

cs.SD2025

Step-Audio-AQAA: a Fully End-to-End Expressive Large Audio Language Model

Ailin Huang, Bingxin Li, Bruce Wang +73

Large Audio-Language Models (LALMs) have significantly advanced intelligent human-computer interaction, yet their reliance on text-based outputs limits their ability to generate na…

cs.LG2025

HAD: Hybrid Architecture Distillation Outperforms Teacher in Genomic Sequence Modeling

Hexiong Yang, Mingrui Chen, Huaibo Huang +4

Inspired by the great success of Masked Language Modeling (MLM) in the natural language domain, the paradigm of self-supervised pre-training and fine-tuning has also achieved remar…

cs.CV2025

Unlocking the Potential of Difficulty Prior in RL-based Multimodal Reasoning

Mingrui Chen, Haogeng Liu, Hao Liang +3

In this work, we investigate how explicitly modeling problem's difficulty prior information shapes the effectiveness of reinforcement learning based fine-tuning for multimodal reas…

cs.CL2025★ 1 cited

Step-Audio: Unified Understanding and Generation in Intelligent Speech Interaction

Ailin Huang, Boyong Wu, Bruce Wang +142

Real-time speech interaction, serving as a fundamental interface for human-machine collaboration, holds immense potential. However, current open-source models face limitations such…

cs.CV2024

Semantic Equitable Clustering: A Simple and Effective Strategy for Clustering Vision Tokens

Qihang Fan, Huaibo Huang, Mingrui Chen +1

The Vision Transformer (ViT) has gained prominence for its superior relational modeling prowess. However, its global attention mechanism's quadratic complexity poses substantial co…

cs.CV2024★ 2 cited

Vision Transformer with Sparse Scan Prior

Yuguang Zhang, Qihang Fan, Huaibo Huang

In recent years, Transformers have achieved remarkable progress in computer vision tasks. However, their global modeling often comes with substantial computational overhead, in sta…

cs.CV2023★ 16 cited

RMT: Retentive Networks Meet Vision Transformers

Qihang Fan, Huaibo Huang, Mingrui Chen +2

Vision Transformer (ViT) has gained increasing attention in the computer vision community in recent years. However, the core component of ViT, Self-Attention, lacks explicit spatia…

cs.CV2023

OccNet: Robust Image Matching Based on 3D Occupancy Estimation for Occluded Regions

Miao Fan, Mingrui Chen, Chen Hu +1

Image matching is a fundamental and critical task in various visual applications, such as Simultaneous Localization and Mapping (SLAM) and image retrieval, which require accurate p…

cs.CV2023

ICDAR 2023 Competition on Structured Text Extraction from Visually-Rich Document Images

Wenwen Yu, Chengquan Zhang, Haoyu Cao +24

Structured text extraction is one of the most valuable and challenging application directions in the field of Document AI. However, the scenarios of past benchmarks are limited, an…

cs.CV2023

ICDAR 2023 Competition on Reading the Seal Title

Wenwen Yu, Mingyu Liu, Mingrui Chen +5

Reading seal title text is a challenging task due to the variable shapes of seals, curved text, background noise, and overlapped text. However, this important element is commonly f…

cs.CV2023★ 39 cited

OccDepth: A Depth-Aware Method for 3D Semantic Scene Completion

Ruihang Miao, Weizhou Liu, Mingrui Chen +4

3D Semantic Scene Completion (SSC) can provide dense geometric and semantic scene representations, which can be applied in the field of autonomous driving and robotic systems. It i…