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Small inter-class and large intra-class variations are the main challenges in fine-grained visual classification. Objects from different classes share visually similar structures and objects in the same class can have different poses and…

Computer Vision and Pattern Recognition · Computer Science 2019-09-09 Amir Erfan Eshratifar , David Eigen , Michael Gormish , Massoud Pedram

In this paper, we propose a monocular 3D object detection framework in the domain of autonomous driving. Unlike previous image-based methods which focus on RGB feature extracted from 2D images, our method solves this problem in the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Xinzhu Ma , Zhihui Wang , Haojie Li , Pengbo Zhang , Xin Fan , Wanli Ouyang

Recently, the self-supervised learning framework data2vec has shown inspiring performance for various modalities using a masked student-teacher approach. However, it remains open whether such a framework generalizes to the unique challenges…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Karim Knaebel , Jonas Schult , Alexander Hermans , Bastian Leibe

Large-scale place recognition is a fundamental but challenging task, which plays an increasingly important role in autonomous driving and robotics. Existing methods have achieved acceptable good performance, however, most of them are…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Zhaoxin Fan , Zhenbo Song , Hongyan Liu , Jun He

Efficient relocalization is essential for intelligent vehicles when GPS reception is insufficient or sensor-based localization fails. Recent advances in Bird's-Eye-View (BEV) segmentation allow for accurate estimation of local scene…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Andrea Boscolo Camiletto , Alfredo Bochicchio , Alexander Liniger , Dengxin Dai , Abel Gawel

Text-to-image retrieval (T2I retrieval) remains challenging because cross-modal embeddings often behave as bags of concepts, underrepresenting structured visual relationships such as pose and viewpoint. We proposeVisualize-then-Retrieve…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Di Wu , Yixin Wan , Kai-Wei Chang

Bird's Eye View (BEV) representations are tremendously useful for perception-related automated driving tasks. However, generating BEVs from surround-view fisheye camera images is challenging due to the strong distortions introduced by such…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Ekta U. Samani , Feng Tao , Harshavardhan R. Dasari , Sihao Ding , Ashis G. Banerjee

On robotics computer vision tasks, generating and annotating large amounts of data from real-world for the use of deep learning-based approaches is often difficult or even impossible. A common strategy for solving this problem is to apply…

Computer Vision and Pattern Recognition · Computer Science 2023-01-13 Chengzhi Wu , Xuelei Bi , Julius Pfrommer , Alexander Cebulla , Simon Mangold , Jürgen Beyerer

Place recognition gives a SLAM system the ability to correct cumulative errors. Unlike images that contain rich texture features, point clouds are almost pure geometric information which makes place recognition based on point clouds…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Lin Li , Xin Kong , Xiangrui Zhao , Tianxin Huang , Yong Liu

Semantic scene understanding from point clouds is particularly challenging as the points reflect only a sparse set of the underlying 3D geometry. Previous works often convert point cloud into regular grids (e.g. voxels or bird-eye view…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Yinyu Nie , Ji Hou , Xiaoguang Han , Matthias Nießner

Humans can orient themselves in their 3D environments using simple 2D maps. Differently, algorithms for visual localization mostly rely on complex 3D point clouds that are expensive to build, store, and maintain over time. We bridge this…

Accurate localization is essential for autonomous driving, but GNSS-based methods struggle in challenging environments such as urban canyons. Cross-view pose optimization offers an effective solution by directly estimating vehicle pose…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Wooju Lee , Juhye Park , Dasol Hong , Changki Sung , Youngwoo Seo , Dongwan Kang , Hyun Myung

Autonomous driving is the key technology of intelligent logistics in Industrial Internet of Things (IIoT). In autonomous driving, the appearance of incomplete point clouds losing geometric and semantic information is inevitable owing to…

Machine Learning · Computer Science 2023-07-19 Jingzhi Tu , Gang Mei , Francesco Piccialli

This paper proposes a novel point-cloud-based place recognition system that adopts a deep learning approach for feature extraction. By using a convolutional neural network pre-trained on color images to extract features from a range image…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Ting Sun , Ming Liu , Haoyang Ye , Dit-Yan Yeung

Visual place recognition is a challenging task for applications such as autonomous driving navigation and mobile robot localization. Distracting elements presenting in complex scenes often lead to deviations in the perception of visual…

Computer Vision and Pattern Recognition · Computer Science 2022-04-14 Ruotong Wang , Yanqing Shen , Weiliang Zuo , Sanping Zhou , Nanning Zheng

Object classification using LiDAR 3D point cloud data is critical for modern applications such as autonomous driving. However, labeling point cloud data is labor-intensive as it requires human annotators to visualize and inspect the 3D data…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Ziwei Wang , Reza Arablouei , Jiajun Liu , Paulo Borges , Greg Bishop-Hurley , Nicholas Heaney

In GPS-denied scenarios, a robust environmental perception and localization system becomes crucial for autonomous driving. In this paper, a LiDAR-based online localization system is developed, incorporating road marking detection and…

Robotics · Computer Science 2024-07-03 Yansong Gong , Xinglian Zhang , Jingyi Feng , Xiao He , Dan Zhang

Reconstructing 3D models from 2D images is one of the fundamental problems in computer vision. In this work, we propose a deep learning technique for 3D object reconstruction from a single image. Contrary to recent works that either use 3D…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 K L Navaneet , Ansu Mathew , Shashank Kashyap , Wei-Chih Hung , Varun Jampani , R. Venkatesh Babu

Achieving monocular camera localization within pre-built LiDAR maps can bypass the simultaneous mapping process of visual SLAM systems, potentially reducing the computational overhead of autonomous localization. To this end, one of the key…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Gongxin Yao , Xinyang Li , Luowei Fu , Yu Pan

We present an improved approach for 3D object detection in point cloud data based on the Frustum PointNet (F-PointNet). Compared to the original F-PointNet, our newly proposed method considers the point neighborhood when computing point…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Chengzhi Wu , Julius Pfrommer , Jürgen Beyerer , Kangning Li , Boris Neubert