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This paper presents a new face identification system based on Graph Matching Technique on SIFT features extracted from face images. Although SIFT features have been successfully used for general object detection and recognition, only…

计算机视觉与模式识别 · 计算机科学 2010-02-03 Dakshina Ranjan Kisku , Ajita Rattani , Enrico Grosso , Massimo Tistarelli

As automated face recognition applications tend towards ubiquity, there is a growing need to secure the sensitive face data used within these systems. This paper presents a survey of biometric template protection (BTP) methods proposed for…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Vedrana Krivokuća Hahn , Sébastien Marcel

Face recognition in real life situations like low illumination condition is still an open challenge in biometric security. It is well established that the state-of-the-art methods in face recognition provide low accuracy in the case of poor…

计算机视觉与模式识别 · 计算机科学 2019-02-26 Sumit Agarwal , Harshit S. Sikchi , Suparna Rooj , Shubhobrata Bhattacharya , Aurobinda Routray

The foundation model has recently garnered significant attention due to its potential to revolutionize the field of visual representation learning in a self-supervised manner. While most foundation models are tailored to effectively process…

Persistence diagrams, combining geometry and topology for an effective shape description used in pattern recognition, have already proven to be an effective tool for shape representation with respect to a certainfiltering function.…

代数拓扑 · 数学 2018-12-26 Alessia Angeli , Massimo Ferri , Ivan Tomba

Advances in image generation enable hyper-realistic synthetic faces but also pose risks, thus making synthetic face detection crucial. Previous research focuses on the general differences between generated images and real images, often…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Qingchao Jiang , Zhishuo Xu , Zhiying Zhu , Ning Chen , Haoyue Wang , Zhongjie Ba

Facial recognition technology (FRT) is increasingly used in criminal investigations, yet most evaluations of its accuracy rely on high-quality images, unlike those often encountered by law enforcement. This study examines how five common…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Maria Cuellar , Hon Kiu , To , Arush Mehrotra

Computationally efficient, accurate, and privacy-preserving data storage and retrieval are among the key challenges faced by practical deployments of biometric identification systems worldwide. In this work, a method of protected indexing…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Pawel Drozdowski , Fabian Stockhardt , Christian Rathgeb , Dailé Osorio-Roig , Christoph Busch

3D face reconstruction (3DFR) algorithms are based on specific assumptions tailored to the limits and characteristics of the different application scenarios. In this study, we investigate how multiple state-of-the-art 3DFR algorithms can be…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Simone Maurizio La Cava , Roberto Casula , Sara Concas , Giulia Orrù , Ruben Tolosana , Martin Drahansky , Julian Fierrez , Gian Luca Marcialis

In this work, we present a novel and practical approach to address one of the longstanding problems in computer vision: 2D and 3D affine invariant feature matching. Our Grassmannian Graph (GrassGraph) framework employs a two stage procedure…

计算机视觉与模式识别 · 计算机科学 2016-02-05 Mark Moyou , John Corring , Adrian Peter , Anand Rangarajan

Mutations of genetic sequences are often accompanied by their recombinations, known as phylogenetic networks. These networks are typically reconstructed from coalescent processes that may arise from optimal merging or fitting together a…

代数拓扑 · 数学 2024-08-28 Paweł Dłotko , Jan Felix Senge , Anastasios Stefanou

We propose an algorithm to generate realistic face images of both real and synthetic identities (people who do not exist) with different facial yaw, shape and resolution.The synthesized images can be used to augment datasets to train CNNs…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Sandipan Banerjee , Walter J. Scheirer , Kevin W. Bowyer , Patrick J. Flynn

The growing scope, scale, and number of biometric deployments around the world emphasise the need for research into technologies facilitating efficient and reliable biometric identification queries. This work presents a method of indexing…

计算机视觉与模式识别 · 计算机科学 2021-03-08 Pawel Drozdowski , Fabian Stockhardt , Christian Rathgeb , Christoph Busch

This tutorial covers biomedical image reconstruction, from the foundational concepts of system modeling and direct reconstruction to modern sparsity and learning-based approaches. Imaging is a critical tool in biological research and…

图像与视频处理 · 电气工程与系统科学 2021-03-12 Michael T. McCann , Michael Unser

The capability of doing effective forensic analysis on printed and scanned (PS) images is essential in many applications. PS documents may be used to conceal the artifacts of images which is due to the synthetic nature of images since these…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Ehsan Nowroozi , Yoosef Habibi , Mauro Conti

Machine learning models are commonly trained end-to-end and in a supervised setting, using paired (input, output) data. Examples include recent super-resolution methods that train on pairs of (low-resolution, high-resolution) images.…

计算机视觉与模式识别 · 计算机科学 2021-12-10 Razvan V Marinescu , Daniel Moyer , Polina Golland

We examine in this paper the problem of image registration from the new perspective where images are given by sparse approximations in parametric dictionaries of geometric functions. We propose a registration algorithm that looks for an…

计算机视觉与模式识别 · 计算机科学 2013-12-31 Alhussein Fawzi , Pascal Frossard

Recent works have demonstrated the feasibility of inverting face recognition systems, enabling to recover convincing face images using only their embeddings. We leverage such template inversion models to develop a novel type ofdeep morphing…

计算机视觉与模式识别 · 计算机科学 2024-10-23 Laurent Colbois , Hatef Otroshi Shahreza , Sébastien Marcel

Here an efficient fusion technique for automatic face recognition has been presented. Fusion of visual and thermal images has been done to take the advantages of thermal images as well as visual images. By employing fusion a new image can…

计算机视觉与模式识别 · 计算机科学 2010-07-06 M. K. Bhowmik , Debotosh Bhattacharjee , M. Nasipuri , D. K. Basu , M. Kundu

Deep convolutional networks have become a popular tool for image generation and restoration. Generally, their excellent performance is imputed to their ability to learn realistic image priors from a large number of example images. In this…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Dmitry Ulyanov , Andrea Vedaldi , Victor Lempitsky