中文
相关论文

相关论文: Reduction of Feature Vectors Using Rough Set Theor…

200 篇论文

In this article we propose a novel face recognition method based on Principal Component Analysis (PCA) and Log-Gabor filters. The main advantages of the proposed method are its simple implementation, training, and very high recognition…

计算机视觉与模式识别 · 计算机科学 2007-05-23 Vytautas Perlibakas

Data sets that are specified by a large number of features are currently outside the area of applicability for quantum machine learning algorithms. An immediate solution to this impasse is the application of dimensionality reduction methods…

This paper is about a curious phenomenon. Suppose we have a data matrix, which is the superposition of a low-rank component and a sparse component. Can we recover each component individually? We prove that under some suitable assumptions,…

信息论 · 计算机科学 2009-12-21 Emmanuel J. Candes , Xiaodong Li , Yi Ma , John Wright

The applications of traditional statistical feature selection methods to high-dimension, low sample-size data often struggle and encounter challenging problems, such as overfitting, curse of dimensionality, computational infeasibility, and…

机器学习 · 统计学 2023-12-19 Kexuan Li , Fangfang Wang , Lingli Yang , Ruiqi Liu

For very large datasets, random projections (RP) have become the tool of choice for dimensionality reduction. This is due to the computational complexity of principal component analysis. However, the recent development of randomized…

机器学习 · 统计学 2019-01-04 Michael Wojnowicz , Di Zhang , Glenn Chisholm , Xuan Zhao , Matt Wolff

Dimensional reduction of high dimensional data can be achieved by keeping only the relevant eigenmodes after principal component analysis. However, differentiating relevant eigenmodes from the random noise eigenmodes is problematic. A new…

数据分析、统计与概率 · 物理学 2008-12-31 Yu Ding , Yiu-Cho Chung , Kun Huang , Orlando P. Simonetti

In machine learning, the process of feature selection involves finding a reduced subset of features that captures most of the information required to train an accurate and efficient model. This work presents FeatureCuts, a novel feature…

机器学习 · 计算机科学 2025-08-05 Andy Hu , Devika Prasad , Luiz Pizzato , Nicholas Foord , Arman Abrahamyan , Anna Leontjeva , Cooper Doyle , Dan Jermyn

Recognizing facial expressions from static images or video sequences is a widely studied but still challenging problem. The recent progresses obtained by deep neural architectures, or by ensembles of heterogeneous models, have shown that…

计算机视觉与模式识别 · 计算机科学 2018-10-25 Lisa Graziani , Stefano Melacci , Marco Gori

In this paper, we present a novel deep learning based approach for addressing the problem of interaction recognition from a first person perspective. The proposed approach uses a pair of convolutional neural networks, whose parameters are…

计算机视觉与模式识别 · 计算机科学 2017-09-20 Swathikiran Sudhakaran , Oswald Lanz

Recently, Adaboost has been widely used to improve the accuracy of any given learning algorithm. In this paper we focus on designing an algorithm to employ combination of Adaboost with Support Vector Machine as weak component classifiers to…

计算机视觉与模式识别 · 计算机科学 2008-12-16 Seyyed Majid Valiollahzadeh , Abolghasem Sayadiyan , Mohammad Nazari

Ethnicity is a key demographic attribute of human beings and it plays a vital role in automatic facial recognition and have extensive real world applications such as Human Computer Interaction (HCI); demographic based classification;…

计算机视觉与模式识别 · 计算机科学 2017-11-01 Inzamam Anwar , Naeem Ul Islam

Low-dimensional embeddings for data from disparate sources play critical roles in multi-modal machine learning, multimedia information retrieval, and bioinformatics. In this paper, we propose a supervised dimensionality reduction method…

机器学习 · 计算机科学 2021-01-15 Yanjun Li , Bihan Wen , Hao Cheng , Yoram Bresler

This study examines various feature extraction techniques in computer vision, the primary focus of which is on Vision Transformers (ViTs) and other approaches such as Generative Adversarial Networks (GANs), deep feature models, traditional…

计算机视觉与模式识别 · 计算机科学 2025-07-28 Venant Niyonkuru , Sylla Sekou , Jimmy Jackson Sinzinkayo

Facial expression recognition is an important research direction in the field of artificial intelligence. Although new breakthroughs have been made in recent years, the uneven distribution of datasets and the similarity between different…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Bingyu Nan , Feng Liu , Xuezhong Qian , Wei Song

Research on human face processing using eye movements has provided evidence that we recognize face images successfully focusing our visual attention on a few inner facial regions, mainly on the eyes, nose and mouth. To understand how we…

计算机视觉与模式识别 · 计算机科学 2017-09-06 Carlos E. Thomaz , Vagner Amaral , Gilson A. Giraldi , Duncan F. Gillies , Daniel Rueckert

Person re-identification (Person ReID) is a challenging task due to the large variations in camera viewpoint, lighting, resolution, and human pose. Recently, with the advancement of deep learning technologies, the performance of Person ReID…

计算机视觉与模式识别 · 计算机科学 2018-05-02 Wangmeng Xiang , Jianqiang Huang , Xianbiao Qi , Xiansheng Hua , Lei Zhang

The selection of most informative and discriminative features from high-dimensional data has been noticed as an important topic in machine learning and data engineering. Using matrix factorization-based techniques such as nonnegative matrix…

机器学习 · 计算机科学 2022-10-04 Amir Moslemi , Arash Ahmadian

The goal of feature selection is to choose the optimal subset of features for a recognition task by evaluating the importance of each feature, thereby achieving effective dimensionality reduction. Currently, proposed feature selection…

机器学习 · 计算机科学 2024-02-27 Zhenxing Zhang , Jun Ge , Zheng Wei , Chunjie Zhou , Yilei Wang

Previous work has shown that feature maps of deep convolutional neural networks (CNNs) can be interpreted as feature representation of a particular image region. Features aggregated from these feature maps have been exploited for image…

计算机视觉与模式识别 · 计算机科学 2016-11-08 Jiedong Hao , Jing Dong , Wei Wang , Tieniu Tan

Real-time or near real-time hyperspectral detection and identification are extremely useful and needed in many fields. These data sets can be quite large, and the algorithms can require numerous computations that slow the process down. A…

图像与视频处理 · 电气工程与系统科学 2023-11-27 Abigail Basener , Meagan Herald