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Cross-view geo-localization confronts significant challenges due to large perspective changes, especially when the ground-view query image has a limited field of view with unknown orientation. To bridge the cross-view domain gap, we for the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Lei Cheng , Teng Wang , Lingquan Meng , Changyin Sun

Monocular 3D object detection (M3OD) is a significant yet inherently challenging task in autonomous driving due to absence of explicit depth cues in a single RGB image. In this paper, we strive to boost currently underperforming monocular…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Weijia Zhang , Dongnan Liu , Chao Ma , Weidong Cai

Detecting 3D objects accurately from multi-view 2D images is a challenging yet essential task in the field of autonomous driving. Current methods resort to integrating depth prediction to recover the spatial information for object query…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Haisheng Su , Junjie Zhang , Feixiang Song , Sanping Zhou , Wei Wu , Nanning Zheng , Junchi Yan

Open-vocabulary 3D semantic segmentation aims to segment arbitrary categories beyond the training set. Existing methods predominantly rely on distilling knowledge from 2D open-vocabulary models. However, aligning 3D features to the 2D…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Xujing Tao , Chuxin Wang , Yubo Ai , Zhixin Cheng , Zhuoyuan Li , Liangsheng Liu , Yujia Chen , Xinjun Li , Qiao Li , Wenfei Yang , Tianzhu Zhang

Recent advancements in 3D object detection have benefited from multi-modal information from the multi-view cameras and LiDAR sensors. However, the inherent disparities between the modalities pose substantial challenges. We observe that…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Juhan Cha , Minseok Joo , Jihwan Park , Sanghyeok Lee , Injae Kim , Hyunwoo J. Kim

Embodied scene understanding requires not only comprehending visual-spatial information that has been observed but also determining where to explore next in the 3D physical world. Existing 3D Vision-Language (3D-VL) models primarily focus…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Ziyu Zhu , Xilin Wang , Yixuan Li , Zhuofan Zhang , Xiaojian Ma , Yixin Chen , Baoxiong Jia , Wei Liang , Qian Yu , Zhidong Deng , Siyuan Huang , Qing Li

Applying pseudo labeling techniques has been found to be advantageous in semi-supervised 3D object detection (SSOD) in Bird's-Eye-View (BEV) for autonomous driving, particularly where labeled data is limited. In the literature, Exponential…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Saheli Hazra , Sudip Das , Rohit Choudhary , Arindam Das , Ganesh Sistu , Ciaran Eising , Ujjwal Bhattacharya

We consider the problem of estimating an object's physical properties such as mass, friction, and elasticity directly from video sequences. Such a system identification problem is fundamentally ill-posed due to the loss of information…

Roadside vision centric 3D object detection has received increasing attention in recent years. It expands the perception range of autonomous vehicles, enhances the road safety. Previous methods focused on predicting per-pixel height rather…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Zhang Zhang , Chao Sun , Chao Yue , Da Wen , Yujie Chen , Tianze Wang , Jianghao Leng

Self-supervised learning on images seeks to extract meaningful visual representations from unlabeled data. When scaled to large datasets, this paradigm has achieved state-of-the-art performance and the resulting trained models such as…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 David Nordström , Johan Edstedt , Fredrik Kahl , Georg Bökman

This paper proposes an efficient multi-camera to Bird's-Eye-View (BEV) view transformation method for 3D perception, dubbed MatrixVT. Existing view transformers either suffer from poor transformation efficiency or rely on device-specific…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Hongyu Zhou , Zheng Ge , Zeming Li , Xiangyu Zhang

Bandwidth constraints during signal acquisition frequently impede real-time detection applications. Hyperspectral data is a notable example, whose vast volume compromises real-time hyperspectral detection. To tackle this hurdle, we…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Lingfeng Liu , Dong Ni , Hangjie Yuan

Near-infrared to visible (NIR-VIS) face recognition is the most common case in heterogeneous face recognition, which aims to match a pair of face images captured from two different modalities. Existing deep learning based methods have made…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Hang Du , Hailin Shi , Yinglu Liu , Dan Zeng , Tao Mei

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

In this study, we propose a novel method called region-guided masked image modeling (RGMIM) for learning meaningful representations from X-ray images. Our method adopts a new masking strategy that utilizes organ mask information to identify…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Guang Li , Ren Togo , Takahiro Ogawa , Miki Haseyama

Understanding 3D medical image volumes is critical in the medical field, yet existing 3D medical convolution and transformer-based self-supervised learning (SSL) methods often lack deep semantic comprehension. Recent advancements in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Qiuhui Chen , Xuancheng Yao , Huping Ye , Yi Hong

In recent years, the results of view-based 3D shape recognition methods have saturated, and models with excellent performance cannot be deployed on memory-limited devices due to their huge size of parameters. To address this problem, we…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Lixiang Xu , Qingzhe Cui , Richang Hong , Wei Xu , Enhong Chen , Xin Yuan , Chenglong Li , Yuanyan Tang

Vision transformer (ViT) has been widely applied in many areas due to its self-attention mechanism that help obtain the global receptive field since the first layer. It even achieves surprising performance exceeding CNN in some vision…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Hanting Li , Mingzhe Sui , Zhaoqing Zhu , Feng Zhao

While LiDAR sensors have been successfully applied to 3D object detection, the affordability of radar and camera sensors has led to a growing interest in fusing radars and cameras for 3D object detection. However, previous radar-camera…

Computer Vision and Pattern Recognition · Computer Science 2024-05-17 Jisong Kim , Minjae Seong , Geonho Bang , Dongsuk Kum , Jun Won Choi

Integrating LiDAR and camera information into Bird's-Eye-View (BEV) representation has emerged as a crucial aspect of 3D object detection in autonomous driving. However, existing methods are susceptible to the inaccurate calibration…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Ziying Song , Lei Yang , Shaoqing Xu , Lin Liu , Dongyang Xu , Caiyan Jia , Feiyang Jia , Li Wang