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This paper describes an end-to-end pipeline for tree diameter estimation based on semantic segmentation and lidar odometry and mapping. Accurate mapping of this type of environment is challenging since the ground and the trees are…

Robotics · Computer Science 2020-01-01 Steven W. Chen , Guilherme V. Nardari , Elijah S. Lee , Chao Qu , Xu Liu , Roseli A. F. Romero , Vijay Kumar

Event-based visual odometry is a specific branch of visual Simultaneous Localization and Mapping (SLAM) techniques, which aims at solving tracking and mapping subproblems (typically in parallel), by exploiting the special working principles…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Junkai Niu , Sheng Zhong , Xiuyuan Lu , Shaojie Shen , Guillermo Gallego , Yi Zhou

Bird's-Eye-View (BEV) representation offers a metric-scaled planar workspace, facilitating the simplification of 6-DoF ego-motion to a more robust 3-DoF model for monocular visual odometry (MVO) in intelligent transportation systems.…

Robotics · Computer Science 2025-09-19 Yufei Wei , Wangtao Lu , Sha Lu , Chenxiao Hu , Fuzhang Han , Rong Xiong , Yue Wang

This paper proposes a universal framework, called OVE6D, for model-based 6D object pose estimation from a single depth image and a target object mask. Our model is trained using purely synthetic data rendered from ShapeNet, and, unlike most…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Dingding Cai , Janne Heikkilä , Esa Rahtu

Visual odometry aims to track the incremental motion of an object using the information captured by visual sensors. In this work, we study the point cloud odometry problem, where only the point cloud scans obtained by the LiDAR (Light…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Pranav Kadam , Min Zhang , Jiahao Gu , Shan Liu , C. -C. Jay Kuo

Using 3D point clouds in odometry estimation in robotics often requires finding a set of correspondences between points in subsequent scans. While there are established methods for point clouds of sufficient quality, state-of-the-art still…

Robotics · Computer Science 2025-06-24 Jan Michalczyk , Stephan Weiss , Jan Steinbrener

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

In recent years, unsupervised deep learning approaches have received significant attention to estimate the depth and visual odometry (VO) from unlabelled monocular image sequences. However, their performance is limited in challenging…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Yasin Almalioglu , Angel Santamaria-Navarro , Benjamin Morrell , Ali-akbar Agha-mohammadi

Recent progress in zero-shot 6D object pose estimation has been driven largely by large-scale models and cloud-based inference. However, these approaches often introduce high latency, elevated energy consumption, and deployment risks…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Javier Villena Toro , Mehdi Tarkian

Event-based cameras are biologically inspired sensors that output events, i.e., asynchronous pixel-wise brightness changes in the scene. Their high dynamic range and temporal resolution of a microsecond makes them more reliable than…

Robotics · Computer Science 2021-07-13 Antea Hadviger , Igor Cvišić , Ivan Marković , Sacha Vražić , Ivan Petrović

In this paper, we present FogGuard, a novel fog-aware object detection network designed to address the challenges posed by foggy weather conditions. Autonomous driving systems heavily rely on accurate object detection algorithms, but…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Soheil Gharatappeh , Sepideh Neshatfar , Salimeh Yasaei Sekeh , Vikas Dhiman

Vision-Language Models (VLMs), such as CLIP, have demonstrated impressive zero-shot transfer capabilities in image-level visual perception. However, these models have shown limited performance in instance-level tasks that demand precise…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Lingfeng Yang , Yueze Wang , Xiang Li , Xinlong Wang , Jian Yang

Visual localization has traditionally been formulated as a pair-wise pose regression problem. Existing approaches mainly estimate relative poses between two images and employ a late-fusion strategy to obtain absolute pose estimates.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Tianchen Deng , Wenhua Wu , Kunzhen Wu , Guangming Wang , Siting Zhu , Shenghai Yuan , Xun Chen , Guole Shen , Zhe Liu , Hesheng Wang

Autonomous UAV forestry operations require robust depth estimation methods with strong cross-domain generalization. However, existing evaluations focus on urban and indoor scenarios, leaving a critical gap for specialized vegetation-dense…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Yida Lin , Bing Xue , Mengjie Zhang , Sam Schofield , Richard Green

Current techniques in Visual Simultaneous Localization and Mapping (VSLAM) estimate camera displacement by comparing image features of consecutive scenes. These algorithms depend on scene continuity, hence requires frequent camera inputs.…

Robotics · Computer Science 2024-01-25 Mingyang Li , Yue Ma , Qinru Qiu

The estimation of implicit cross-frame correspondences and the high computational cost have long been major challenges in video semantic segmentation (VSS) for driving scenes. Prior works utilize keyframes, feature propagation, or…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Diandian Guo , Deng-Ping Fan , Tongyu Lu , Christos Sakaridis , Luc Van Gool

Estimating relative camera poses from consecutive frames is a fundamental problem in visual odometry (VO) and simultaneous localization and mapping (SLAM), where classic methods consisting of hand-crafted features and sampling-based outlier…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 You-Yi Jau , Rui Zhu , Hao Su , Manmohan Chandraker

Depth estimation is a critical technology in autonomous driving, and multi-camera systems are often used to achieve a 360$^\circ$ perception. These 360$^\circ$ camera sets often have limited or low-quality overlap regions, making multi-view…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Jialei Xu , Wei Yin , Dong Gong , Junjun Jiang , Xianming Liu

Most recent semi-supervised video object segmentation (VOS) methods rely on fine-tuning deep convolutional neural networks online using the given mask of the first frame or predicted masks of subsequent frames. However, the online…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Yingjie Yin , De Xu , Xingang Wang , Lei Zhang

We introduce a novel monocular visual odometry (VO) system, NeRF-VO, that integrates learning-based sparse visual odometry for low-latency camera tracking and a neural radiance scene representation for fine-detailed dense reconstruction and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Jens Naumann , Binbin Xu , Stefan Leutenegger , Xingxing Zuo