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Related papers: C-GenReg: Training-Free 3D Point Cloud Registratio…

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Flow-based generative models have highly desirable properties like exact log-likelihood evaluation and exact latent-variable inference, however they are still in their infancy and have not received as much attention as alternative…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Albert Pumarola , Stefan Popov , Francesc Moreno-Noguer , Vittorio Ferrari

The drone navigation requires the comprehensive understanding of both visual and geometric information in the 3D world. In this paper, we present a Visual-Geometric Fusion Network(VGF-Net), a deep network for the fusion analysis of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Yilin Liu , Ke Xie , Hui Huang

Point clouds are a very efficient way to represent volumetric data in medical imaging. First, they do not occupy resources for empty spaces and therefore can avoid trade-offs between resolution and field-of-view for voxel-based 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Mattias Paul Heinrich

Point cloud registration aims at estimating the geometric transformation between two point cloud scans, in which point-wise correspondence estimation is the key to its success. In addition to previous methods that seek correspondences by…

Computer Vision and Pattern Recognition · Computer Science 2022-09-02 Ziming Wang , Xiaoliang Huo , Zhenghao Chen , Jing Zhang , Lu Sheng , Dong Xu

Despite recent advancements in neural 3D reconstruction, the dependence on dense multi-view captures restricts their broader applicability. Additionally, 3D scene generation is vital for advancing embodied AI and world models, which depend…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Yuxin Zhang , Ziyu Lu , Hongbo Duan , Keyu Fan , Pengting Luo , Peiyu Zhuang , Mengyu Yang , Houde Liu

Point cloud registration is the process of aligning a pair of point sets via searching for a geometric transformation. Unlike classical optimization-based methods, recent learning-based methods leverage the power of deep learning for…

Computer Vision and Pattern Recognition · Computer Science 2020-10-02 Lingjing Wang , Xiang Li , Yi Fang

Point cloud registration sits at the core of many important and challenging 3D perception problems including autonomous navigation, SLAM, object/scene recognition, and augmented reality. In this paper, we present a new registration…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Ben Eckart , Kihwan Kim , Jan Kautz

3D point cloud registration is a fundamental problem in computer vision and robotics. Recently, learning-based point cloud registration methods have made great progress. However, these methods are sensitive to outliers, which lead to more…

Computer Vision and Pattern Recognition · Computer Science 2022-11-10 Kexue Fu , Jiazheng Luo , Xiaoyuan Luo , Shaolei Liu , Chenxi Zhang , Manning Wang

We study the problem of generating point clouds of 3D objects. Instead of discretizing the object into 3D voxels with huge computational cost and resolution limitations, we propose a novel geometry image based generator (GIG) to convert the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Lei Wang , Yuchun Huang , Pengjie Tao , Yaolin Hou , Yuxuan Liu

Three-dimensional (3D) fingerprints preserve global finger geometry and local ridge structure while avoiding contact-induced deformation, but they remain difficult to integrate with legacy two-dimensional (2D) fingerprint systems. This…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Xiongjun Guan , Jianjiang Feng , Jie Zhou

Point cloud registration is a fundamental problem in 3D computer vision. Outdoor LiDAR point clouds are typically large-scale and complexly distributed, which makes the registration challenging. In this paper, we propose an efficient…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Fan Lu , Guang Chen , Yinlong Liu , Lijun Zhang , Sanqing Qu , Shu Liu , Rongqi Gu

Gen-Swarms is an innovative method that leverages and combines the capabilities of deep generative models with reactive navigation algorithms to automate the creation of drone shows. Advancements in deep generative models, particularly…

Rigid registration of point clouds is a fundamental problem in computer vision with many applications from 3D scene reconstruction to geometry capture and robotics. If a suitable initial registration is available, conventional methods like…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Ludwig Mohr , Ismail Geles , Friedrich Fraundorfer

3D point cloud segmentation remains challenging for structureless and textureless regions. We present a new unified point-based framework for 3D point cloud segmentation that effectively optimizes pixel-level features, geometrical…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Hung-Yueh Chiang , Yen-Liang Lin , Yueh-Cheng Liu , Winston H. Hsu

Mechanical metamaterials enable precise control over structural properties, but their design method remains challenging due to their complex structure. Although additive manufacturing has expanded geometric freedom, navigating this vast and…

Soft Condensed Matter · Physics 2025-09-18 Kijung Kim , Seungwook Hong , Wonjun Jung , Wooseok Kim , Namjung Kim , Howon Lee

We study the problem of extracting accurate correspondences for point cloud registration. Recent keypoint-free methods have shown great potential through bypassing the detection of repeatable keypoints which is difficult to do especially in…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Zheng Qin , Hao Yu , Changjian Wang , Yulan Guo , Yuxing Peng , Slobodan Ilic , Dewen Hu , Kai Xu

Many types of 3D acquisition sensors have emerged in recent years and point cloud has been widely used in many areas. Accurate and fast registration of cross-source 3D point clouds from different sensors is an emerged research problem in…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Xiaoshui Huang , Lixin Fan , Qiang Wu , Jian Zhang , Chun Yuan

3D point cloud has been widely used in applications such as self-driving cars, robotics, CAD models, etc. To the best of our knowledge, these applications raised the issue of privacy leakage in 3D point clouds, which has not been studied…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Haotian Ma , Lin Gu , Siyi Wu , Yingying Zhu

Establishing reliable correspondences is crucial for all registration tasks, including 2D image registration, 3D point cloud registration, and 2D-3D image-to-point cloud registration. However, these tasks are often complicated by challenges…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Qianliang Wu , Haobo Jiang , Yaqing Ding , Lei Luo , Jun Li , Jin Xie , Xiaojun Wu , Jian Yang

We propose 3DSmoothNet, a full workflow to match 3D point clouds with a siamese deep learning architecture and fully convolutional layers using a voxelized smoothed density value (SDV) representation. The latter is computed per interest…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Zan Gojcic , Caifa Zhou , Jan D. Wegner , Andreas Wieser