English
Related papers

Related papers: Learning the Update Operator for 2D/3D Image Regis…

200 papers

Deep image prior (DIP) has recently attracted attention owing to its unsupervised positron emission tomography (PET) image reconstruction, which does not require any prior training dataset. In this paper, we present the first attempt to…

Medical Physics · Physics 2023-08-08 Fumio Hashimoto , Yuya Onishi , Kibo Ote , Hideaki Tashima , Taiga Yamaya

Most successful approaches to estimate the 6D pose of an object typically train a neural network by supervising the learning with annotated poses in real world images. These annotations are generally expensive to obtain and a common…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Juil Sock , Guillermo Garcia-Hernando , Anil Armagan , Tae-Kyun Kim

In this paper, we propose a novel 3D registration paradigm, Generative Point Cloud Registration, which bridges advanced 2D generative models with 3D matching tasks to enhance registration performance. Our key idea is to generate cross-view…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Haobo Jiang , Jin Xie , Jian Yang , Liang Yu , Jianmin Zheng

Following the success of deep convolutional networks, state-of-the-art methods for 3d human pose estimation have focused on deep end-to-end systems that predict 3d joint locations given raw image pixels. Despite their excellent performance,…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Julieta Martinez , Rayat Hossain , Javier Romero , James J. Little

We present a novel non-iterative learnable method for partial-to-partial 3D shape registration. The partial alignment task is extremely complex, as it jointly tries to match between points and identify which points do not appear in the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-28 Dvir Ginzburg , Dan Raviv

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

Finding correspondences between images or 3D scans is at the heart of many computer vision and image retrieval applications and is often enabled by matching local keypoint descriptors. Various learning approaches have been applied in the…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Georgios Georgakis , Srikrishna Karanam , Ziyan Wu , Jan Ernst , Jana Kosecka

We explore different curriculum learning methods for training convolutional neural networks on the task of deformable pairwise 3D medical image registration. To the best of our knowledge, we are the first to attempt to improve performance…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Mihail Burduja , Radu Tudor Ionescu

Real-world image manipulation has achieved fantastic progress in recent years. GAN inversion, which aims to map the real image to the latent code faithfully, is the first step in this pipeline. However, existing GAN inversion methods fail…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Bangrui Jiang , Zhenhua Guo , Yujiu Yang

Continuum robots have emerged as a promising technology in the medical field due to their potential of accessing deep sited locations of the human body with low surgical trauma. When deriving physics-based models for these robots,…

Robotics · Computer Science 2024-05-27 Matthias K. Hoffmann , Julian Mühlenhoff , Zhaoheng Ding , Thomas Sattel , Kathrin Flaßkamp

Multiview point cloud registration is a fundamental task for constructing globally consistent 3D models. Existing approaches typically rely on feature extraction and data association across multiple point clouds; however, these processes…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Yiran Zhou , Yingyu Wang , Shoudong Huang , Liang Zhao

In this paper, we examine 3 important issues in the practical use of state-of-the-art facial landmark detectors and show how a combination of specific architectural modifications can directly improve their accuracy and temporal stability.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Prashanth Chandran , Gaspard Zoss , Paulo Gotardo , Derek Bradley

We propose LiftReg, a 2D/3D deformable registration approach. LiftReg is a deep registration framework which is trained using sets of digitally reconstructed radiographs (DRR) and computed tomography (CT) image pairs. By using simulated…

Image and Video Processing · Electrical Eng. & Systems 2023-04-05 Lin Tian , Yueh Z. Lee , Raúl San José Estépar , Marc Niethammer

We propose a novel method for joint estimation of shape and pose of rigid objects from their sequentially observed RGB-D images. In sharp contrast to past approaches that rely on complex non-linear optimization, we propose to formulate it…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Yuta Yoshitake , Mai Nishimura , Shohei Nobuhara , Ko Nishino

The emerging drone aerial survey has the advantages of low cost, high efficiency, and flexible use. However, UAVs are often equipped with cheap POS systems and non-measurement cameras, and their flight attitudes are easily affected. How to…

Computer Vision and Pattern Recognition · Computer Science 2023-01-10 Jiageng Zhong , Ming Li , Jiangying Qin , Hanqi Zhang

This work presents 3DPE, a practical method that can efficiently edit a face image following given prompts, like reference images or text descriptions, in a 3D-aware manner. To this end, a lightweight module is distilled from a 3D portrait…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Qingyan Bai , Zifan Shi , Yinghao Xu , Hao Ouyang , Qiuyu Wang , Ceyuan Yang , Xuan Wang , Gordon Wetzstein , Yujun Shen , Qifeng Chen

We present a novel multilevel approach for deep learning based image registration. Recently published deep learning based registration methods have shown promising results for a wide range of tasks. However, these algorithms are still…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Alessa Hering , Bram van Ginneken , Stefan Heldmann

In recent years, implicit functions have drawn attention in the field of 3D reconstruction and have successfully been applied with Deep Learning. However, for incremental reconstruction, implicit function-based registrations have been…

Robotics · Computer Science 2022-06-01 Yijun Yuan , Andreas Nuechter

Given the prevalence of 3D medical imaging technologies such as MRI and CT that are widely used in diagnosing and treating diverse diseases, 3D segmentation is one of the fundamental tasks of medical image analysis. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-10 Yuhui Zhang , Shih-Cheng Huang , Zhengping Zhou , Matthew P. Lungren , Serena Yeung

Large-scale point cloud generated from 3D sensors is more accurate than its image-based counterpart. However, it is seldom used in visual pose estimation due to the difficulty in obtaining 2D-3D image to point cloud correspondences. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Mengdan Feng , Sixing Hu , Marcelo Ang , Gim Hee Lee