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Related papers: Face Verification via learning the kernel matrix

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In this work we investigate a novel approach to handle the challenges of face recognition, which includes rotation, scale, occlusion, illumination etc. Here, we have used thermal face images as those are capable to minimize the affect of…

Computer Vision and Pattern Recognition · Computer Science 2010-07-06 Mrinal Kanti Bhowmik , Debotosh Bhattacharjee , Mita Nasipuri , Dipak Kumar Basu , Mahantapas Kundu

Machine learning and deep learning have been used extensively to classify physical surfaces through images and time-series contact data. However, these methods rely on human expertise and entail the time-consuming processes of data and…

Machine Learning · Computer Science 2023-08-10 Behnam Khojasteh , Friedrich Solowjow , Sebastian Trimpe , Katherine J. Kuchenbecker

The kernel matrix used in kernel methods encodes all the information required for solving complex nonlinear problems defined on data representations in the input space using simple, but implicitly defined, solutions. Spectral analysis on…

Machine Learning · Computer Science 2020-10-26 Alexandros Iosifidis

In this paper, we address an open problem of zero-shot learning. Its principle is based on learning a mapping that associates feature vectors extracted from i.e. images and attribute vectors that describe objects and/or scenes of interest.…

Computer Vision and Pattern Recognition · Computer Science 2018-06-26 Hongguang Zhang , Piotr Koniusz

The paper addresses face presentation attack detection in the challenging conditions of an unseen attack scenario where the system is exposed to novel presentation attacks that were not present in the training step. For this purpose, a pure…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Shervin Rahimzadeh Arashloo

Large scale online kernel learning aims to build an efficient and scalable kernel-based predictive model incrementally from a sequence of potentially infinite data points. A current key approach focuses on ways to produce an approximate…

Machine Learning · Computer Science 2019-09-25 Kai Ming Ting , Jonathan R. Wells , Takashi Washio

This paper presents an algorithm, Voted Kernel Regularization , that provides the flexibility of using potentially very complex kernel functions such as predictors based on much higher-degree polynomial kernels, while benefitting from…

Machine Learning · Computer Science 2015-09-16 Corinna Cortes , Prasoon Goyal , Vitaly Kuznetsov , Mehryar Mohri

Automated face recognition is a widely adopted machine learning technology for contactless identification of people in various processes such as automated border control, secure login to electronic devices, community surveillance, tracking…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Megh Pudyel , Mustafa Atay

In this paper, we introduce the first method that (1) can complete kernel matrices with completely missing rows and columns as opposed to individual missing kernel values, (2) does not require any of the kernels to be complete a priori, and…

Machine Learning · Computer Science 2016-02-09 Sahely Bhadra , Samuel Kaski , Juho Rousu

In order to classify the nonlinear feature with linear classifier and improve the classification accuracy, a deep learning network named kernel principal component analysis network (KPCANet) is proposed. First, mapping the data into higher…

Machine Learning · Computer Science 2015-12-22 Dan Wu , Jiasong Wu , Rui Zeng , Longyu Jiang , Lotfi Senhadji , Huazhong Shu

We study the problem of performing face verification with an efficient neural model $f$. The efficiency of $f$ stems from simplifying the face verification problem from an embedding nearest neighbor search into a binary problem; each user…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Amit Rozner , Barak Battash , Ofir Lindenbaum , Lior Wolf

Quantum algorithms based on quantum kernel methods have been investigated previously [1]. A quantum advantage is derived from the fact that it is possible to construct a family of datasets for which, only quantum processing can recognise…

Quantum Physics · Physics 2024-05-08 Sanjeev Naguleswaran

Face recognition is a widely accepted biometric verification tool, as the face contains a lot of information about the identity of a person. In this study, a 2-step neural-based pipeline is presented for matching 3D facial shape to multiple…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Soha Sadat Mahdi , Nele Nauwelaers , Philip Joris , Giorgos Bouritsas , Shunwang Gong , Sergiy Bokhnyak , Susan Walsh , Mark D. Shriver , Michael Bronstein , Peter Claes , .

Support vector machines and kernel methods have recently gained considerable attention in chemoinformatics. They offer generally good performance for problems of supervised classification or regression, and provide a flexible and…

Quantitative Methods · Quantitative Biology 2007-08-02 Pierre Mahé , Jean-Philippe Vert

Asymmetric data naturally exist in real life, such as directed graphs. Different from the common kernel methods requiring Mercer kernels, this paper tackles the asymmetric kernel-based learning problem. We describe a nonlinear extension of…

Machine Learning · Computer Science 2023-06-13 Qinghua Tao , Francesco Tonin , Panagiotis Patrinos , Johan A. K. Suykens

Detect facial keypoints is a critical element in face recognition. However, there is difficulty to catch keypoints on the face due to complex influences from original images, and there is no guidance to suitable algorithms. In this paper,…

Machine Learning · Statistics 2017-10-17 Shenghao Shi

Owe to the rapid development of deep neural network (DNN) techniques and the emergence of large scale face databases, face recognition has achieved a great success in recent years. During the training process of DNN, the face features and…

Computer Vision and Pattern Recognition · Computer Science 2018-01-18 Xianbiao Qi , Lei Zhang

Face Recognition is one of the process of identifying people using their face, it has various applications like authentication systems, surveillance systems and law enforcement. Convolutional Neural Networks are proved to be best for facial…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Rohith Pudari , Sunil Bhutada , Sai Pavan Mudavath

The objective of this work is set-based verification, e.g. to decide if two sets of images of a face are of the same person or not. The traditional approach to this problem is to learn to generate a feature vector per image, aggregate them…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Weidi Xie , Li Shen , Andrew Zisserman

The use of kernels for nonlinear prediction is widespread in machine learning. They have been popularized in support vector machines and used in kernel ridge regression, amongst others. Kernel methods share three aspects. First, instead of…

Machine Learning · Statistics 2025-08-25 Patrick J. F. Groenen , Michael Greenacre