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Related papers: Latent Fingerprint Registration via Matching Dense…

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This paper presents a novel randomized algorithm for robust point cloud registration without correspondences. Most existing registration approaches require a set of putative correspondences obtained by extracting invariant descriptors.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Huu Le , Thanh-Toan Do , Tuan Hoang , Ngai-Man Cheung

We present a minimalistic but effective neural network that computes dense facial correspondences in highly unconstrained RGB images. Our network learns a per-pixel flow and a matchability mask between 2D input photographs of a person and…

Computer Vision and Pattern Recognition · Computer Science 2017-09-05 Ronald Yu , Shunsuke Saito , Haoxiang Li , Duygu Ceylan , Hao Li

We present a fast feature-metric point cloud registration framework, which enforces the optimisation of registration by minimising a feature-metric projection error without correspondences. The advantage of the feature-metric projection…

Computer Vision and Pattern Recognition · Computer Science 2020-05-05 Xiaoshui Huang , Guofeng Mei , Jian Zhang

We propose a fast, accurate matching method for estimating dense pixel correspondences across scenes. It is a challenging problem to estimate dense pixel correspondences between images depicting different scenes or instances of the same…

Computer Vision and Pattern Recognition · Computer Science 2015-04-24 Chao Zhang , Chunhua Shen , Tingzhi Shen

This paper establishes an information theoretic framework for deep metric based image registration techniques. We show an exact equivalence between maximum profile likelihood and minimization of joint entropy, an important early information…

Computer Vision and Pattern Recognition · Computer Science 2019-01-03 Alireza Sedghi , Jie Luo , Alireza Mehrtash , Steve Pieper , Clare M. Tempany , Tina Kapur , Parvin Mousavi , William M. Wells

Many algorithms for surface registration risk producing significant errors if surfaces are significantly nonisometric. Manifold learning has been shown to be effective at improving registration quality, using information from an entire…

Graphics · Computer Science 2021-01-13 Robert J. Ravier

Researchers are often interested in linking individuals between two datasets that lack a common unique identifier. Matching procedures often struggle to match records with common names, birthplaces or other field values. Computational…

Methodology · Statistics 2021-06-14 Thomas Stringham

Real-time registration of partially overlapping point clouds has emerging applications in cooperative perception for autonomous vehicles and multi-agent SLAM. The relative translation between point clouds in these applications is higher…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Eduardo Arnold , Sajjad Mozaffari , Mehrdad Dianati

The commonly adopted detect-then-match approach to registration finds difficulties in the cross-modality cases due to the incompatible keypoint detection and inconsistent feature description. We propose, 2D3D-MATR, a detection-free method…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Minhao Li , Zheng Qin , Zhirui Gao , Renjiao Yi , Chenyang Zhu , Yulan Guo , Kai Xu

Among many techniques for indoor localization, fingerprinting has been shown to provide a higher accuracy compared to the alternative techniques. Fingerprinting techniques require an initial calibration phase during which site surveyors…

Signal Processing · Electrical Eng. & Systems 2019-02-06 Hamada Rizk , Moustafa Youssef

Correspondence search is an essential step in rigid point cloud registration algorithms. Most methods maintain a single correspondence at each step and gradually remove wrong correspondances. However, building one-to-one correspondence with…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Jun-Jee Chao , Selim Engin , Nicolai Häni , Volkan Isler

The fingerprint classification is an important and effective method to quicken the process and improve the accuracy in the fingerprint matching process. Conventional supervised methods need a large amount of pre-labeled data and thus…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Yue-Jie Hou , Zai-Xin Xie , Jian-Hu , Yao-Shen , Chi-Chun Zhou

Determining dense feature points on fingerprints used in constructing deep fixed-length representations for accurate matching, particularly at the pixel level, is of significant interest. To explore the interpretability of fingerprint…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Yuhang Qiu , Honghui Chen , Xingbo Dong , Zheng Lin , Iman Yi Liao , Massimo Tistarelli , Zhe Jin

3D point cloud registration is a fundamental problem in computer vision and robotics. There has been extensive research in this area, but existing methods meet great challenges in situations with a large proportion of outliers and time…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Kexue Fu , Shaolei Liu , Xiaoyuan Luo , Manning Wang

A standard pipeline of current face recognition frameworks consists of four individual steps: locating a face with a rough bounding box and several fiducial landmarks, aligning the face image using a pre-defined template, extracting…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Xiaqing Xu , Qiang Meng , Yunxiao Qin , Jianzhu Guo , Chenxu Zhao , Feng Zhou , Zhen Lei

Magnetic Resonance (MR) Fingerprinting is an emerging multi-parametric quantitative MR imaging technique, for which image reconstruction methods utilizing low-rank and subspace constraints have achieved state-of-the-art performance.…

Image and Video Processing · Electrical Eng. & Systems 2023-05-26 Hengfa Lu , Huihui Ye , Lawrence L. Wald , Bo Zhao

Network protocol fingerprinting is used to identify a protocol implementation by analyzing its input-output behavior. Traditionally, fingerprinting operates under a closed-world assumption, where models of all implementations are assumed to…

Cryptography and Security · Computer Science 2026-01-30 Loes Kruger , Paul Kobialka , Andrea Pferscher , Einar Broch Johnsen , Sebastian Junges , Jurriaan Rot

Medical image registration is a challenging task involving the estimation of spatial transformations to establish anatomical correspondence between pairs or groups of images. Recently, deep learning-based image registration methods have…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Xiang Chen , Yan Xia , Nishant Ravikumar , Alejandro F Frangi

In image-guided liver surgery, the initial rigid alignment between preoperative and intraoperative data, often represented as point clouds, is crucial for providing sub-surface information from preoperative CT/MRI images to the surgeon…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Zixin Yang , Jon S. Heiselman , Cheng Han , Kelly Merrell , Richard Simon , Cristian. A. Linte

This work observed the problem of fingerprint image recognition in the case of missing pixels from the original image. The possibility of missing pixels recovery is tested by applying the Compressive Sensing approach. Namely, different…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Dejan Brajovic , Kristina Tomovic , Jovan Radonjic