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Mathematical reasoning is critical for tasks such as precise distance and area computations, trajectory estimations, and spatial analysis in unmanned aerial vehicle (UAV) based remote sensing, yet current vision-language models (VLMs) have…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Yue Zhou , Litong Feng , Mengcheng Lan , Xue Yang , Qingyun Li , Yiping Ke , Xue Jiang , Wayne Zhang

Fusing LiDAR and camera information is essential for achieving accurate and reliable 3D object detection in autonomous driving systems. This is challenging due to the difficulty of combining multi-granularity geometric and semantic features…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Yang Jiao , Zequn Jie , Shaoxiang Chen , Jingjing Chen , Lin Ma , Yu-Gang Jiang

Cross-view geo-localisation (CVGL) aims to estimate the geographic location of a query image by matching it with images from a large-scale database. However, the significant view-point discrepancies present considerable challenges for…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Hualin Ye , Bingxi Liu , Jixiang Du , Yu Qin , Ziyi Chen , Hong Zhang

The lack of a large-scale 3D-text corpus has led recent works to distill open-vocabulary knowledge from vision-language models (VLMs). However, these methods typically rely on a single VLM to align the feature spaces of 3D models within a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Jinlong Li , Cristiano Saltori , Fabio Poiesi , Nicu Sebe

Large Multimodal Models (LMMs) have made significant strides in visual question-answering for single images. Recent advancements like long-context LMMs have allowed them to ingest larger, or even multiple, images. However, the ability to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Tsung-Han Wu , Giscard Biamby , Jerome Quenum , Ritwik Gupta , Joseph E. Gonzalez , Trevor Darrell , David M. Chan

Cross-view geo-localization aims to determine the geographical location of a query image by matching it against a gallery of images. This task is challenging due to the significant appearance variations of objects observed from variable…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 YiTong Liu , TianZhu Liu , YanFeng GU

Large Vision-Language Models (LVLMs) have advanced rapidly by aligning visual patches with the text embedding space, but a fixed visual-token budget forces images to be resized to a uniform pretraining resolution, often erasing fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Zipeng Zhu , Zhanghao Hu , Qinglin Zhu , Yuxi Hong , Yijun Liu , Jingyong Su , Yulan He , Lin Gui

Multi-task visual grounding involves the simultaneous execution of localization and segmentation in images based on textual expressions. The majority of advanced methods predominantly focus on transformer-based multimodal fusion, aiming to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Ming Dai , Jian Li , Jiedong Zhuang , Xian Zhang , Wankou Yang

We present an end-to-end method for object detection and trajectory prediction utilizing multi-view representations of LiDAR returns and camera images. In this work, we recognize the strengths and weaknesses of different view…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Sudeep Fadadu , Shreyash Pandey , Darshan Hegde , Yi Shi , Fang-Chieh Chou , Nemanja Djuric , Carlos Vallespi-Gonzalez

LiDAR-based place recognition serves as a crucial enabler for long-term autonomy in robotics and autonomous driving systems. Yet, prevailing methodologies relying on handcrafted feature extraction face dual challenges: (1) Inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Xiaohui Jiang , Haijiang Zhu , Chade Li , Fulin Tang , Ning An

Lately, researchers in artificial intelligence have been really interested in how language and vision come together, giving rise to the development of multimodal models that aim to seamlessly integrate textual and visual information.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Rajat Chawla , Arkajit Datta , Tushar Verma , Adarsh Jha , Anmol Gautam , Ayush Vatsal , Sukrit Chaterjee , Mukunda NS , Ishaan Bhola

This paper presents a novel framework for robust 3D object detection from point clouds via cross-modal hallucination. Our proposed approach is agnostic to either hallucination direction between LiDAR and 4D radar. We introduce multiple…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Jianning Deng , Gabriel Chan , Hantao Zhong , Chris Xiaoxuan Lu

Cross-View Geo-Localization (CVGL) involves determining the localization of drone images by retrieving the most similar GPS-tagged satellite images. However, the imaging gaps between platforms are often significant and the variations in…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Zhongwei Chen , Zhao-Xu Yang , Hai-Jun Rong

Visual question answering (VQA) is an important and challenging multimodal task in computer vision. Recently, a few efforts have been made to bring VQA task to aerial images, due to its potential real-world applications in disaster…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Kun Li , George Vosselman , Michael Ying Yang

Multimodal tabular-image fusion is an emerging task that has received increasing attention in various domains. However, existing methods may be hindered by gradient conflicts between modalities, misleading the optimization of the unimodal…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Longfei Huang , Yang Yang

The rise of autonomous vehicles has significantly increased the demand for robust 3D object detection systems. While cameras and LiDAR sensors each offer unique advantages--cameras provide rich texture information and LiDAR offers precise…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Zitian Wang , Zehao Huang , Yulu Gao , Naiyan Wang , Si Liu

Micro-aerial vehicles (MAVs) are becoming ubiquitous across multiple industries and application domains. Lightweight MAVs with only an onboard flight controller and a minimal sensor suite (e.g., IMU, vision, and vertical ranging sensors)…

Robotics · Computer Science 2021-05-03 Li Qingqing , Yu Xianjia , Jorge Peña Queralta , Tomi Westerlund

Incorporating multiple camera views for detection alleviates the impact of occlusions in crowded scenes. In a multiview system, we need to answer two important questions when dealing with ambiguities that arise from occlusions. First, how…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Yunzhong Hou , Liang Zheng , Stephen Gould

Vision-language models (VLMs) have advanced multimodal reasoning but still face challenges in spatial reasoning for 3D scenes and complex object configurations. To address this, we introduce SpatialViLT, an enhanced VLM that integrates…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Chashi Mahiul Islam , Oteo Mamo , Samuel Jacob Chacko , Xiuwen Liu , Weikuan Yu

Visual In-Context Learning (VICL) has emerged as a powerful paradigm, enabling models to perform novel visual tasks by learning from in-context examples. The dominant "retrieve-then-prompt" approach typically relies on selecting the single…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Wenwen Liao , Jianbo Yu , Yuansong Wang , Qingchao Jiang , Xiaofeng Yang