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Data-driven deep learning approaches to image registration can be less accurate than conventional iterative approaches, especially when training data is limited. To address this whilst retaining the fast inference speed of deep learning, we…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Xi Jia , Alexander Thorley , Wei Chen , Huaqi Qiu , Linlin Shen , Iain B Styles , Hyung Jin Chang , Ales Leonardis , Antonio de Marvao , Declan P. O'Regan , Daniel Rueckert , Jinming Duan

We can use a method called registration to integrate some point clouds that represent the shape of the real world. In this paper, we propose highly accurate and stable registration method. Our method detects keypoints from point clouds and…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Masaki Yoshii , Ikuko Shimizu

Autonomy in robotic surgery is very challenging in unstructured environments, especially when interacting with deformable soft tissues. The main difficulty is to generate model-based control methods that account for deformation dynamics…

Robotics · Computer Science 2021-05-03 Fei Liu , Zihan Li , Yunhai Han , Jingpei Lu , Florian Richter , Michael C. Yip

Accurately registering breast MR images from different time points enables the alignment of anatomical structures and tracking of tumor progression, supporting more effective breast cancer detection, diagnosis, and treatment planning.…

Image and Video Processing · Electrical Eng. & Systems 2026-01-01 Yaqian Chen , Hanxue Gu , Haoyu Dong , Qihang Li , Yuwen Chen , Nicholas Konz , Lin Li , Maciej A. Mazurowski

Conventional deformable registration methods aim at solving an optimization model carefully designed on image pairs and their computational costs are exceptionally high. In contrast, recent deep learning based approaches can provide fast…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Risheng Liu , Zi Li , Xin Fan , Chenying Zhao , Hao Huang , Zhongxuan Luo

Reconstruction of the soft tissues in robotic surgery from endoscopic stereo videos is important for many applications such as intra-operative navigation and image-guided robotic surgery automation. Previous works on this task mainly rely…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Yuehao Wang , Yonghao Long , Siu Hin Fan , Qi Dou

Registering clothes from 4D scans with vertex-accurate correspondence is challenging, yet important for dynamic appearance modeling and physics parameter estimation from real-world data. However, previous methods either rely on texture…

Computer Vision and Pattern Recognition · Computer Science 2023-11-13 Jingfan Guo , Fabian Prada , Donglai Xiang , Javier Romero , Chenglei Wu , Hyun Soo Park , Takaaki Shiratori , Shunsuke Saito

Implicit neural networks have emerged as a crucial technology in 3D surface reconstruction. To reconstruct continuous surfaces from discrete point clouds, encoding the input points into regular grid features (plane or volume) has been…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Shengtao Li , Ge Gao , Yudong Liu , Yu-Shen Liu , Ming Gu

Point cloud registration involves determining a rigid transformation to align a source point cloud with a target point cloud. This alignment is fundamental in applications such as autonomous driving, robotics, and medical imaging, where…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Yu-Xin Zhang , Jie Gui , Baosheng Yu , Xiaofeng Cong , Xin Gong , Wenbing Tao , Dacheng Tao

This study presents a high-accuracy, efficient, and physically induced method for 3D point cloud registration, which is the core of many important 3D vision problems. In contrast to existing physics-based methods that merely consider…

Computer Vision and Pattern Recognition · Computer Science 2023-02-03 Zhao Mingyang , Ma Lei , Jia Xiaohong , Yan Dong-Ming , Huang Tiejun

Representing 3D shape in deep learning frameworks in an accurate, efficient and compact manner still remains an open challenge. Most existing work addresses this issue by employing voxel-based representations. While these approaches benefit…

Computer Vision and Pattern Recognition · Computer Science 2019-01-25 Dominic Jack , Jhony K. Pontes , Sridha Sridharan , Clinton Fookes , Sareh Shirazi , Frederic Maire , Anders Eriksson

Scene-level point cloud registration is very challenging when considering dynamic foregrounds. Existing indoor datasets mostly assume rigid motions, so the trained models cannot robustly handle scenes with non-rigid motions. On the other…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Keyu Du , Hao Xu , Haipeng Li , Hong Qu , Chi-Wing Fu , Shuaicheng Liu

Point cloud registration for 3D objects is a challenging task due to sparse and noisy measurements, incomplete observations and large transformations. In this work, we propose \textbf{G}raph \textbf{M}atching \textbf{C}onsensus…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Liang Pan , Zhongang Cai , Ziwei Liu

Nonrigid registration is vital to medical image analysis but remains challenging for diffusion MRI (dMRI) due to its high-dimensional, orientation-dependent nature. While classical methods are accurate, they are computationally demanding,…

Image and Video Processing · Electrical Eng. & Systems 2025-01-13 Gianfranco Cortes , Xiaoda Qu , Baba C. Vemuri

Point cloud registration is a crucial technique in 3D computer vision with a wide range of applications. However, this task can be challenging, particularly in large fields of view with dynamic objects, environmental noise, or other…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Rui She , Sijie Wang , Qiyu Kang , Kai Zhao , Yang Song , Wee Peng Tay , Tianyu Geng , Xingchao Jian

The Transformer structures have been widely used in computer vision and have recently made an impact in the area of medical image registration. However, the use of Transformer in most registration networks is straightforward. These networks…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Haiqiao Wang , Dong Ni , Yi Wang

Image registration is a crucial task in signal processing, but it often encounters issues with stability and efficiency. Non-learning registration approaches rely on optimizing similarity metrics between fixed and moving images, which can…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Zihao Wang , Hervé Delingette

We introduce Neural Deformation Graphs for globally-consistent deformation tracking and 3D reconstruction of non-rigid objects. Specifically, we implicitly model a deformation graph via a deep neural network. This neural deformation graph…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Aljaž Božič , Pablo Palafox , Michael Zollhöfer , Justus Thies , Angela Dai , Matthias Nießner

If robots could reliably manipulate the shape of 3D deformable objects, they could find applications in fields ranging from home care to warehouse fulfillment to surgical assistance. Analytic models of elastic, 3D deformable objects require…

Robotics · Computer Science 2022-04-20 Bao Thach , Brian Y. Cho , Alan Kuntz , Tucker Hermans

Goal: A limitation in robotic surgery is the lack of force feedback, due to challenges in suitable sensing techniques. To enhance the perception of the surgeons and precise force rendering, estimation of these forces along with tissue…

Systems and Control · Electrical Eng. & Systems 2025-04-30 Srikar Annamraju , Yuxi Chen , Jooyoung Lim , Inki Kim