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Related papers: ForestVO: Enhancing Visual Odometry in Forest Envi…

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Visual odometry (VO) is essential for enabling accurate point-goal navigation of embodied agents in indoor environments where GPS and compass sensors are unreliable and inaccurate. However, traditional VO methods face challenges in…

Robotics · Computer Science 2024-11-08 Sayan Paul , Ruddra dev Roychoudhury , Brojeshwar Bhowmick

Visual-LiDAR odometry is a critical component for autonomous system localization, yet achieving high accuracy and strong robustness remains a challenge. Traditional approaches commonly struggle with sensor misalignment, fail to fully…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Mengmeng Liu , Michael Ying Yang , Jiuming Liu , Yunpeng Zhang , Jiangtao Li , Sander Oude Elberink , George Vosselman , Hao Cheng

Place recognition is essential to maintain global consistency in large-scale localization systems. While research in urban environments has progressed significantly using LiDARs or cameras, applications in natural forest-like environments…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Yanqing Shen , Turcan Tuna , Marco Hutter , Cesar Cadena , Nanning Zheng

Access to below-canopy volumetric vegetation data is crucial for understanding ecosystem dynamics. We address the long-standing limitation of remote sensing to penetrate deep into dense canopy layers. LiDAR and radar are currently…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Mohamed Youssef , Jian Peng , Oliver Bimber

We introduce ZeroVO, a novel visual odometry (VO) algorithm that achieves zero-shot generalization across diverse cameras and environments, overcoming limitations in existing methods that depend on predefined or static camera calibration…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Lei Lai , Zekai Yin , Eshed Ohn-Bar

Humans use UAVs to monitor changes in forest environments since they are lightweight and provide a large variety of surveillance data. However, their information does not present enough details for understanding the scene which is needed to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Bianca-Cerasela-Zelia Blaga , Sergiu Nedevschi

Accurate camera pose estimation is a fundamental requirement for numerous applications, such as autonomous driving, mobile robotics, and augmented reality. In this work, we address the problem of estimating the global 6 DoF camera pose from…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Mohammad Altillawi

Dense ground-truth disparity maps are practically unobtainable in forestry environments, where thin overlapping branches and complex canopy geometry defeat conventional depth sensors -- a critical bottleneck for training supervised stereo…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Yida Lin , Bing Xue , Mengjie Zhang , Sam Schofield , Richard Green

Recent works on 6D object pose estimation focus on learning keypoint correspondences between images and object models, and then determine the object pose through RANSAC-based algorithms or by directly regressing the pose with end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Jaime Corsetti , Davide Boscaini , Fabio Poiesi

Tree ensembles are powerful models that achieve excellent predictive performances, but can grow to unwieldy sizes. These ensembles are often post-processed (pruned) to reduce memory footprint and improve interpretability. We present…

Machine Learning · Statistics 2023-05-26 Brian Liu , Rahul Mazumder

We present a novel real-time visual odometry framework for a stereo setup of a depth and high-resolution event camera. Our framework balances accuracy and robustness against computational efficiency towards strong performance in challenging…

Robotics · Computer Science 2022-02-08 Yi-Fan Zuo , Jiaqi Yang , Jiaben Chen , Xia Wang , Yifu Wang , Laurent Kneip

Autonomous tree pruning with unmanned aerial vehicles (UAVs) is a safety-critical real-world task: the onboard perception system must estimate the metric distance from a cutting tool to thin tree branches in real time so that the UAV can…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Yida Lin , Bing Xue , Mengjie Zhang , Sam Schofield , Richard Green

Vision-based segmentation in forested environments is a key functionality for autonomous forestry operations such as tree felling and forwarding. Deep learning algorithms demonstrate promising results to perform visual tasks such as object…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Vincent Grondin , François Pomerleau , Philippe Giguère

Successful visual navigation depends upon capturing images that contain sufficient useful information. In this letter, we explore a data-driven approach to account for environmental lighting changes, improving the quality of images for use…

Robotics · Computer Science 2022-07-12 Justin Tomasi , Brandon Wagstaff , Steven L. Waslander , Jonathan Kelly

Camera pose estimation is an important problem in computer vision. Common techniques either match the current image against keyframes with known poses, directly regress the pose, or establish correspondences between keypoints in the image…

Computer Vision and Pattern Recognition · Computer Science 2019-07-03 Tommaso Cavallari , Stuart Golodetz , Nicholas A. Lord , Julien Valentin , Victor A. Prisacariu , Luigi Di Stefano , Philip H. S. Torr

Relative pose estimation is crucial for various computer vision applications, including Robotic and Autonomous Driving. Current methods primarily depend on selecting and matching feature points prone to incorrect matches, leading to poor…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Zherong Zhang , Chunyu Lin , Shujuan Huang , Shangrong Yang , Yao Zhao

Vision foundation models (VFMs) and Bird's Eye View (BEV) representation have advanced visual perception substantially, yet their internal spatial representations assume the rectilinear geometry of pinhole cameras. Fisheye cameras, widely…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Rahul Ahuja , Mudit Jain , Bala Murali Manoghar Sai Sudhakar , Venkatraman Narayanan , Pratik Likhar , Varun Ravi Kumar , Senthil Yogamani

Accurate 6-DoF object pose estimation and tracking are critical for reliable robotic manipulation. However, zero-shot methods often fail under viewpoint-induced ambiguities and fixed-camera setups struggle when objects move or become…

Robotics · Computer Science 2026-03-10 Sheng Liu , Zhe Li , Weiheng Wang , Han Sun , Heng Zhang , Hongpeng Chen , Yusen Qin , Arash Ajoudani , Yizhao Wang

Monocular visual odometry (VO) has attracted extensive research attention by providing real-time vehicle motion from cost-effective camera images. However, state-of-the-art optimization-based monocular VO methods suffer from the scale…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Sen Zhang , Jing Zhang , Dacheng Tao

Deep learning-based Visual SLAM (vSLAM) systems exhibit exceptional geometric reasoning capabilities, yet their prohibitive computational overhead severely restricts deployment on resource-constrained autonomous platforms. This paper…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Cheng Liao