activity
20232026
most citedObjectFinder: An Open-Vocabulary Assistive System for Interactive Object Search by Blind People

2 citations · 4 across the 24 of their papers we have counts for

collaborators

27 papers

cs.LG2026

Are We Overthinking One-Step Generation?

Woobin Park, Jaeyeon Kim, Yilun Du +2

Diffusion and flow matching are now dominant frameworks for generative modeling in continuous domains, but they typically require multiple network evaluations at inference. This ha…

cs.HC2026

InSight: A Mobile Assistant Helping Visually Impaired People Navigate Unfamiliar Environment

Junwei Zheng, Jiale Wei, Di Wen +6

Navigating unfamiliar outdoor environments is one of the most demanding everyday tasks for people with visual impairments (PVI). However, existing navigation systems cannot simulta…

cs.AI2026

VL-DocIR: A Benchmark for Vision-Based Long Document Information Retrieval

Simon Ott, Yufan Chen, Ruiping Liu +6

Vision-based document retrieval has improved rapidly, but current evaluation settings still emphasize short documents and single relevant pages. This leaves an important gap betwee…

cs.CV2026

XLocalizer: Cross-grained Alignment for Progressive Cross-view Video Geo-localization

Zichao Zeng, Weijia Fan, Yufan Chen +7

Cross-view Video Geo-localization (CVG) aims to localize ground-view videos by retrieving their corresponding geo-tagged aerial images. However, CVG approaches rely on fixed-length…

cs.CV2026

SeqLoc: Beyond the Single Frame for Cross-View Geo-Localization in Feature-Sparse Scenes

Junwei Zheng, Yun Huang, Ruize Dai +8

Cross-View Geo-Localization (CVGL) with OpenStreetMap (OSM) performs well in structure-rich urban environments but collapses in feature-sparse scenes such as rural roads. To study…

cs.CV2026

Faster or Stronger: Towards Flexible Visual Place Recognition via Weighted Aggregation and Token Pruning

Zichao Zeng, June Moh Goo, Junwei Zheng +4

Visual Place Recognition (VPR) aims to match a query image to reference images of the same place in a large-scale database. Recent state-of-the-art methods employ Vision Transforme…

cs.CV2026

EgoExoMem: Cross-View Memory Reasoning over Synchronized Egocentric and Exocentric Videos

Ruiping Liu, Junwei Zheng, Yufan Chen +7

Egocentric memory is widely used in embodied intelligence, but it may be insufficient for comprehensive spatial-temporal reasoning. Inspired by human recall from both field and obs…

cs.CV2026

More than the Sum: Panorama-Language Models for Adverse Omni-Scenes

Weijia Fan, Ruiping Liu, Jiale Wei +7

Existing vision-language models (VLMs) are tailored for pinhole imagery, stitching multiple narrow field-of-view inputs to piece together a complete omni-scene understanding. Yet,…

cs.CV2026

DriveXQA: Cross-modal Visual Question Answering for Adverse Driving Scene Understanding

Mingzhe Tao, Ruiping Liu, Junwei Zheng +6

Fusing sensors with complementary modalities is crucial for maintaining a stable and comprehensive understanding of abnormal driving scenes. However, Multimodal Large Language Mode…

cs.RO2026

Not an Obstacle for Dog, but a Hazard for Human: A Co-Ego Navigation System for Guide Dog Robots

Ruiping Liu, Jingqi Zhang, Junwei Zheng +8

Guide dogs offer independence to Blind and Low-Vision (BLV) individuals, yet their limited availability leaves the vast majority of BLV users without access. Quadruped robotic guid…

cs.CV2026

SGR3 Model: Scene Graph Retrieval-Reasoning Model in 3D

Zirui Wang, Ruiping Liu, Yufan Chen +7

3D scene graphs provide a structured representation of object entities and their relationships, enabling high-level interpretation and reasoning for robots while remaining intuitiv…

cs.CV2026

RHO: Robust Holistic OSM-Based Metric Cross-View Geo-Localization

Junwei Zheng, Ruize Dai, Ruiping Liu +7

Metric Cross-View Geo-Localization (MCVGL) aims to estimate the 3-DoF camera pose (position and heading) by matching ground and satellite images. In this work, instead of pinhole a…

cs.CV2026

What if? Emulative Simulation with World Models for Situated Reasoning

Ruiping Liu, Yufan Chen, Yuheng Zhang +8

Situated reasoning often relies on active exploration, yet in many real-world scenarios such exploration is infeasible due to physical constraints of robots or safety concerns of v…

cs.CV2025

HybriDLA: Hybrid Generation for Document Layout Analysis

Yufan Chen, Omar Moured, Ruiping Liu +4

Conventional document layout analysis (DLA) traditionally depends on empirical priors or a fixed set of learnable queries executed in a single forward pass. While sufficient for ea…

cs.CV2025

mmWalk: Towards Multi-modal Multi-view Walking Assistance

Kedi Ying, Ruiping Liu, Chongyan Chen +5

Walking assistance in extreme or complex environments remains a significant challenge for people with blindness or low vision (BLV), largely due to the lack of a holistic scene und…

cs.CV2025

Situat3DChange: Situated 3D Change Understanding Dataset for Multimodal Large Language Model

Ruiping Liu, Junwei Zheng, Yufan Chen +6

Physical environments and circumstances are fundamentally dynamic, yet current 3D datasets and evaluation benchmarks tend to concentrate on either dynamic scenarios or dynamic situ…

cs.CV2025★ 1 cited

TY-RIST: Tactical YOLO Tricks for Real-time Infrared Small Target Detection

Abdulkarim Atrash, Omar Moured, Yufan Chen +3

Infrared small target detection (IRSTD) is critical for defense and surveillance but remains challenging due to (1) target loss from minimal features, (2) false alarms in cluttered…

cs.CV2025★ 1 cited

SAMBLE: Shape-Specific Point Cloud Sampling for an Optimal Trade-Off Between Local Detail and Global Uniformity

Chengzhi Wu, Yuxin Wan, Hao Fu +5

Driven by the increasing demand for accurate and efficient representation of 3D data in various domains, point cloud sampling has emerged as a pivotal research topic in 3D computer…

cs.CV2025

CHAOS: Chart Analysis with Outlier Samples

Omar Moured, Yufan Chen, Ruiping Liu +4

Charts play a critical role in data analysis and visualization, yet real-world applications often present charts with challenging or noisy features. However, "outlier charts" pose…

cs.CV2025

Exploring Video-Based Driver Activity Recognition under Noisy Labels

Linjuan Fan, Di Wen, Kunyu Peng +8

As an open research topic in the field of deep learning, learning with noisy labels has attracted much attention and grown rapidly over the past ten years. Learning with label nois…

cs.CV2025

Scene-agnostic Pose Regression for Visual Localization

Junwei Zheng, Ruiping Liu, Yufan Chen +4

Absolute Pose Regression (APR) predicts 6D camera poses but lacks the adaptability to unknown environments without retraining, while Relative Pose Regression (RPR) generalizes bett…

cs.CV2025

RefChartQA: Grounding Visual Answer on Chart Images through Instruction Tuning

Alexander Vogel, Omar Moured, Yufan Chen +2

Recently, Vision Language Models (VLMs) have increasingly emphasized document visual grounding to achieve better human-computer interaction, accessibility, and detailed understandi…

cs.CV2025

SFDLA: Source-Free Document Layout Analysis

Sebastian Tewes, Yufan Chen, Omar Moured +2

Document Layout Analysis (DLA) is a fundamental task in document understanding. However, existing DLA and adaptation methods often require access to large-scale source data and tar…

cs.CV2025

Graph-based Document Structure Analysis

Yufan Chen, Ruiping Liu, Junwei Zheng +4

When reading a document, glancing at the spatial layout of a document is an initial step to understand it roughly. Traditional document layout analysis (DLA) methods, however, offe…