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An Efficient and Stable Registration Framework for Large Point Clouds at Two Different Moments
Published 2024-11-01“…In this paper, we propose a registration framework for large-scale point clouds at different moments, which firstly downsamples large-scale point clouds using a random sampling method, then performs a random expansion strategy to make up for the loss of information caused by the random sampling, then completes the first registration by a deep learning network based on the extraction of keypoints and feature descriptors in combination with RANSAC, and finally completes the registration using the point-to-point ICP method. …”
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Fully Automatic Geometric Registration Framework of UAV Imagery Based on Online Map Services and POS
Published 2024-11-01“…To further improve the time efficiency of UAV remote sensing, this study proposes a fully automatic geometric registration framework. The workflow features the following aspects: (1) automatic reference image acquisition by using online map services; (2) automatic ground range and resolution estimation using positional and orientation system (POS) data; (3) automatic orientation alignment using POS data. …”
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Robust Pose Estimation for Noncooperative Spacecraft Under Rapid Inter-Frame Motion: A Two-Stage Point Cloud Registration Approach
Published 2025-06-01“…This paper addresses the challenge of robust pose estimation for spacecraft under rapid inter-frame motion, proposing a two-stage point cloud registration framework. The first stage computes coarse pose estimation by leveraging Fast Point Feature Histogram (FPFH) descriptors with random sample and consensus (RANSAC) for correspondence matching, effectively handling significant positional displacements. …”
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Bi-Directional Point Flow Estimation with Multi-Scale Attention for Deformable Lung CT Registration
Published 2025-05-01“…In this work, we propose a novel point-based deformable registration framework tailored to the unique challenges of lung CT alignment. …”
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A Registration Method for Historical Maps Based on Self-Supervised Feature Matching
Published 2025-01-01“…We then developed an enhanced SuperGlue-based registration framework, optimized for the specific obstacles posed by historical maps, such as low texture and large image size. …”
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Smart touchless palm sensing via palm adjustment and dynamic registration
Published 2025-03-01“…By embedding it into a palm registration framework based on video sequences, we improve the system’s ability to adapt to varying conditions automatically. …”
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Collision Constraints and Diffeomorphisms: Dealing With Physics in Deformable Image Registration
Published 2025-01-01“…Discontinuous motion is facilitated through a piecewise registration framework, in which inter-domain boundary interactions are constrained via collision detection, and intra-domain deformation smoothness is governed by the Large Deformation Diffeomorphic Metric Mapping (LDDMM) model. …”
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Groupwise registration of infant brain diffusion tensor images using intermediate subgroup templates.
Published 2025-01-01“…By leveraging the consistency of features in tensor maps across early infancy and reducing deformation through intermediate subgroup tensor templates, our IST-G tensor registration framework facilitates more accurate alignment of longitudinal infant brain tensor images.…”
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A Point Cloud Registration Method for Steel Tubular Arch Rib Segments of CFST Arch Bridges Based on Local Geometric Constraints
Published 2025-06-01“…This study introduces a cascaded registration framework comprising: (1) a coarse registration method utilizing local geometric features of segmented tubular joints, where equidistant cross-section partitioning extracts inherent circularity constraints from cylindrical segments, and (2) a refined registration stage employing the Coherent Point Drift (CPD) algorithm with k-d tree acceleration for computational efficiency. …”
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SAR Image Registration Based on SAR-SIFT and Template Matching
Published 2025-06-01“…These results validate the accuracy and effectiveness of the proposed registration framework.…”
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An Arthroscopic Robotic System for Meniscoplasty with Autonomous Operation Ability
Published 2025-05-01“…To address the issue of limited visual fields during the operation, this study used the preoperative and intraoperative meniscus point cloud images for surgical navigation and proposed a novel cross-modal point cloud registration framework. After the registration was completed, the robotic system automatically generated a resection path that could maintain the crescent shape of the remaining meniscus based on the improved Rapidly Exploring Random Tree (RRT) path-planning algorithm in this study. …”
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Deep TPS-PSO: Hybrid Deep Feature Extraction and Global Optimization for Precise 3D MRI Registration
Published 2025-01-01“…This article presents TPS-PSO, a hybrid deformable image registration framework integrating deep learning, non-linear transformation modeling, and global optimization for accurate inter-subject, intra-modality 3D brain MRI alignment. …”
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Marker-Less Navigation System for Anterior Cruciate Ligament Reconstruction with 3D Femoral Analysis and Arthroscopic Guidance
Published 2025-04-01“…The system’s two-stage registration framework, combining SIFT-ICP algorithms, achieves accurate alignment between preoperative models and arthroscopic views. …”
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EKNet: Graph Structure Feature Extraction and Registration for Collaborative 3D Reconstruction in Architectural Scenes
Published 2025-06-01“…To address these challenges, this paper proposes an efficient deep graph matching registration framework that effectively integrates interpretable feature extraction with network training. …”
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Automatic Pairwise Coarse Registration of Terrestrial Point Clouds Using 3D Line Features
Published 2022-01-01“…The rotation and translation errors of aligning the nine experimental pairwise point clouds were all less than 0.50° and 0.55m, respectively. This registration framework was also shown to be superior to state-of-the-art methods in terms of registration accuracy.…”
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Terrain and individual tree vertical structure-based approach for point clouds co-registration by UAV and Backpack LiDAR
Published 2025-05-01“…In this study, we proposed a marker free automatic registration framework for multi-platform forest point clouds with terrain features. …”
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Deep cascaded registration and weakly-supervised segmentation of fetal brain MRI
Published 2025-01-01“…To address this challenge, we introduce a deep learning registration framework comprising multiple cascaded convolutional networks. …”
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A Dual-Branch Network of Strip Convolution and Swin Transformer for Multimodal Remote Sensing Image Registration
Published 2025-03-01“…However, current advanced registration frameworks are unable to accurately register large-scale rigid distortions, such as rotation or scaling, that occur in multi-source remote sensing images. …”
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