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Feature selection is a pattern recognition approach to choose important variables according to some criteria to distinguish or explain certain phenomena. There are many genomic and proteomic applications which rely on feature selection to…

计算机视觉与模式识别 · 计算机科学 2011-06-13 Fabricio Martins Lopes , David Correa Martins-Jr , Roberto M. Cesar-Jr

One of the most powerful methods of color image recognition is the two-dimensional principle component analysis (2DQPCA) approach, which is based on quaternion representation and preserves color information very well. However, the current…

计算机视觉与模式识别 · 计算机科学 2023-06-13 Zhi-Gang Jia , Zi-Jin Qiu , Qian-Yu Wang , Mei-Xiang Zhao , Dan-Dan Zhu

In this paper, we present a deep learning based image feature extraction method designed specifically for face images. To train the feature extraction model, we construct a large scale photo-realistic face image dataset with ground-truth…

计算机视觉与模式识别 · 计算机科学 2018-03-13 Boyi Jiang , Juyong Zhang , Bailin Deng , Yudong Guo , Ligang Liu

Visual attributes are great means of describing images or scenes, in a way both humans and computers understand. In order to establish a correspondence between images and to be able to compare the strength of each property between images,…

计算机视觉与模式识别 · 计算机科学 2016-09-14 Yaser Souri , Erfan Noury , Ehsan Adeli

Deep Convolutional Neural Networks (DCNNs) and their variants have been widely used in large scale face recognition(FR) recently. Existing methods have achieved good performance on many FR benchmarks. However, most of them suffer from two…

计算机视觉与模式识别 · 计算机科学 2021-06-28 Jing Xu , Tszhang Guo , Yong Xu , Zenglin Xu , Kun Bai

Deep learning is one of the new and important branches in machine learning. Deep learning refers to a set of algorithms that solve various problems such as images and texts by using various machine learning algorithms in multi-layer neural…

计算机视觉与模式识别 · 计算机科学 2019-01-10 Yang Li , Sangwhan Cha

Transformer models have achieved great progress on computer vision tasks recently. The rapid development of vision transformers is mainly contributed by their high representation ability for extracting informative features from input…

计算机视觉与模式识别 · 计算机科学 2021-07-01 Yehui Tang , Kai Han , Chang Xu , An Xiao , Yiping Deng , Chao Xu , Yunhe Wang

This paper describes a novel face identification method that combines the eigenfaces theory with the Neural Nets. We use the eigenfaces methodology in order to reduce the dimensionality of the input image, and a neural net classifier that…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Virginia Espinosa-Duro , Marcos Faundez-Zanuy

Data cleaning, architecture, and loss function design are important factors contributing to high-performance face recognition. Previously, the research community tries to improve the performance of each single aspect but failed to present a…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Manyuan Zhang , Guanglu Song , Yu Liu , Hongsheng Li

Feature extraction plays a significant part in computer vision tasks. In this paper, we propose a method which transfers rich deep features from a pretrained model on face verification task and feeds the features into Bayesian ridge…

计算机视觉与模式识别 · 计算机科学 2018-03-21 Lu Xu , Jinhai Xiang , Xiaohui Yuan

Thanks to the recent developments of Convolutional Neural Networks, the performance of face verification methods has increased rapidly. In a typical face verification method, feature normalization is a critical step for boosting…

计算机视觉与模式识别 · 计算机科学 2017-07-27 Feng Wang , Xiang Xiang , Jian Cheng , Alan L. Yuille

Feature selection (FS) is a process which attempts to select more informative features. In some cases, too many redundant or irrelevant features may overpower main features for classification. Feature selection can remedy this problem and…

机器学习 · 计算机科学 2013-06-07 A. Nisthana Parveen , H. Hannah Inbarani , E. N. Sathishkumar

We evaluate the information that can unintentionally leak into the low dimensional output of a neural network, by reconstructing an input image from a 40- or 32-element feature vector that intends to only describe abstract attributes of a…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Kathleen Anderson , Thomas Martinetz

Affective computing has become a very important research area in human-machine interaction. However, affects are subjective, subtle, and uncertain. So, it is very difficult to obtain a large number of labeled training samples, compared with…

机器学习 · 计算机科学 2020-04-02 Chenfeng Guo , Dongrui Wu

There is an increasing use of some imperceivable and redundant local features for face recognition. While only a relatively small fraction of them is relevant to the final recognition task, the feature selection is a crucial and necessary…

计算机视觉与模式识别 · 计算机科学 2011-05-09 Yixiong Liang , Lei Wang , Shenghui Liao , Beiji Zou

As semiconductor patterning dimensions shrink, more advanced Scanning Electron Microscopy (SEM) image-based defect inspection techniques are needed. Recently, many Machine Learning (ML)-based approaches have been proposed for defect…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Enrique Dehaerne , Bappaditya Dey , Sandip Halder , Stefan De Gendt

Face detectors are becoming a crucial component of many applications, including surveillance, that often have to run on edge devices with limited processing power and memory. Therefore, there's a pressing demand for compact face detection…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Konstantinos Gkrispanis , Nikolaos Gkalelis , Vasileios Mezaris

Face detection is an essential step in many computer vision applications like surveillance, tracking, medical analysis, facial expression analysis etc. Several approaches have been made in the direction of face detection. Among them,…

计算机视觉与模式识别 · 计算机科学 2015-05-14 Anjith George , Anirban Dasgupta , Aurobinda Routray

Random Fourier features provide a way to tackle large-scale machine learning problems with kernel methods. Their slow Monte Carlo convergence rate has motivated the research of deterministic Fourier features whose approximation error can…

机器学习 · 计算机科学 2021-10-20 Frederiek Wesel , Kim Batselier

Face verification is a problem approached in the literature mainly using nonlinear class-specific subspace learning techniques. While it has been shown that kernel-based Class-Specific Discriminant Analysis is able to provide excellent…

计算机视觉与模式识别 · 计算机科学 2018-07-06 Guanqun Cao , Alexandros Iosifidis , Moncef Gabbouj