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Medical image registration is one of the key processing steps for biomedical image analysis such as cancer diagnosis. Recently, deep learning based supervised and unsupervised image registration methods have been extensively studied due to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-03 Boah Kim , Jieun Kim , June-Goo Lee , Dong Hwan Kim , Seong Ho Park , Jong Chul Ye

Recent advancements in diffusion models have shown remarkable proficiency in editing 2D images based on text prompts. However, extending these techniques to edit scenes in Neural Radiance Fields (NeRF) is complex, as editing individual 2D…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Sara Rojas , Julien Philip , Kai Zhang , Sai Bi , Fujun Luan , Bernard Ghanem , Kalyan Sunkavall

Dense 3D reconstruction from continuous image streams requires both accurate geometric aggregation and stable long-term memory management. Recent feed-forward reconstruction frameworks integrate observations through persistent memory…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Feifei Li , Qi Song , Chi Zhang , Rui Huang

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

In this paper, we present a novel approach for multiview point cloud registration. Different from previous researches that typically employ a global scheme for multiview registration, we propose to adopt an incremental pipeline to…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Xiaoya Cheng , Yu Liu , Maojun Zhang , Shen Yan

A novel learning-optimization-combined 4D radar odometry model, named DNOI-4DRO, is proposed in this paper. The proposed model seamlessly integrates traditional geometric optimization with end-to-end neural network training, leveraging an…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Shouyi Lu , Huanyu Zhou , Guirong Zhuo , Xiao Tang

Point cloud registration aligns multiple unposed point clouds into a common reference frame and is a core step for 3D reconstruction and robot localization without initial guess. In this work, we cast registration as conditional generation:…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yue Pan , Tao Sun , Liyuan Zhu , Lucas Nunes , Iro Armeni , Jens Behley , Cyrill Stachniss

Robotic systems are transforming image-guided interventions by enhancing accuracy and minimizing radiation exposure. A significant challenge in robotic assistance lies in surgical path planning, which often relies on the registration of…

Although point cloud registration has achieved remarkable advances in object-level and indoor scenes, large-scale LiDAR registration methods has been rarely explored before. Challenges mainly arise from the huge point scale, complex point…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Jiuming Liu , Guangming Wang , Zhe Liu , Chaokang Jiang , Haoang Li , Mengmeng Liu , Tianchen Deng , Marc Pollefeys , Michael Ying Yang , Hesheng Wang

We present a robust method for estimating the facial pose and shape information from a densely annotated facial image. The method relies on Convolutional Point-set Representation (CPR), a carefully designed matrix representation to…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Yuhang Wu , Le Anh Vu Ha , Xiang Xu , Ioannis A. Kakadiaris

Fully-supervised category-level pose estimation aims to determine the 6-DoF poses of unseen instances from known categories, requiring expensive mannual labeling costs. Recently, various self-supervised category-level pose estimation…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Jingtao Sun , Yaonan Wang , Mingtao Feng , Chao Ding , Mike Zheng Shou , Ajmal Saeed Mian

Driven by recent computer vision and robotic applications, recovering 3D human poses has become increasingly important and attracted growing interests. In fact, completing this task is quite challenging due to the diverse appearances,…

Computer Vision and Pattern Recognition · Computer Science 2019-01-16 Keze Wang , Liang Lin , Chenhan Jiang , Chen Qian , Pengxu Wei

We introduce a method that can learn to predict scene-level implicit functions for 3D reconstruction from posed RGBD data. At test time, our system maps a previously unseen RGB image to a 3D reconstruction of a scene via implicit functions.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Nilesh Kulkarni , Linyi Jin , Justin Johnson , David F. Fouhey

Implicit Neural Representations (INRs) are a learning-based approach to accelerate Magnetic Resonance Imaging (MRI) acquisitions, particularly in scan-specific settings when only data from the under-sampled scan itself are available.…

Image and Video Processing · Electrical Eng. & Systems 2024-12-11 Yamin Arefeen , Brett Levac , Zach Stoebner , Jonathan Tamir

Understanding 3D object structure from a single image is an important but challenging task in computer vision, mostly due to the lack of 3D object annotations to real images. Previous research tackled this problem by either searching for a…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Jiajun Wu , Tianfan Xue , Joseph J. Lim , Yuandong Tian , Joshua B. Tenenbaum , Antonio Torralba , William T. Freeman

Image-based rigid 2D/3D registration is a critical technique for fluoroscopic guided surgical interventions. In recent years, some learning-based fully differentiable methods have produced beneficial outcomes while the process of feature…

Image and Video Processing · Electrical Eng. & Systems 2024-03-18 Minheng Chen , Zhirun Zhang , Shuheng Gu , Zhangyang Ge , Youyong Kong

We introduce a deep encoder-decoder architecture for image deformation prediction from multimodal images. Specifically, we design an image-patch-based deep network that jointly (i) learns an image similarity measure and (ii) the…

Computer Vision and Pattern Recognition · Computer Science 2017-04-03 Xiao Yang , Roland Kwitt , Martin Styner , Marc Niethammer

When we can not assume a large amount of annotated data , active learning is a good strategy. It consists in learning a model on a small amount of annotated data (annotation budget) and in choosing the best set of points to annotate in…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Umang Aggarwal , Adrian Popescu , Céline Hudelot

Comparison of microvascular circulation on fundoscopic images is a non-invasive clinical indication for the diagnosis and monitoring of diseases, such as diabetes and hypertensions. The differences between intra-patient images can be…

Image and Video Processing · Electrical Eng. & Systems 2019-12-24 Siming Bayer , Xia Zhong , Weilin Fu , Nishant Ravikumar , Andreas Maier

Image registration with deep neural networks has become an active field of research and exciting avenue for a long standing problem in medical imaging. The goal is to learn a complex function that maps the appearance of input image pairs to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Matthew C. H. Lee , Ozan Oktay , Andreas Schuh , Michiel Schaap , Ben Glocker