中文
相关论文

相关论文: A Harmonic Mean Linear Discriminant Analysis for R…

200 篇论文

Regularized discriminant analysis (RDA), proposed by Friedman (1989), is a widely popular classifier that lacks interpretability and is impractical for high-dimensional data sets. Here, we present an interpretable and computationally…

机器学习 · 统计学 2017-02-07 John A. Ramey , Caleb K. Stein , Phil D. Young , Dean M. Young

The conventional supervised hashing methods based on classification do not entirely meet the requirements of hashing technique, but Linear Discriminant Analysis (LDA) does. In this paper, we propose to perform a revised LDA objective over…

计算机视觉与模式识别 · 计算机科学 2018-10-09 Di Hu , Feiping Nie , Xuelong Li

Multiplicative noise widely exists in radar images, medical images and other important fields' images. Compared to normal noises, multiplicative noise has a generally stronger effect on the visual expression of images. Aiming at the…

图像与视频处理 · 电气工程与系统科学 2026-04-14 Xiao Siyao , Huang Libing , Zhang Shunsheng

Principal component analysis (PCA) is widely used for feature extraction and dimensionality reduction, with documented merits in diverse tasks involving high-dimensional data. Standard PCA copes with one dataset at a time, but it is…

机器学习 · 计算机科学 2019-01-30 Jia Chen , Gang Wang , Georgios B. Giannakis

Discriminant analysis (DA) is one of the most popular methods for classification due to its conceptual simplicity, low computational cost, and often solid performance. In its standard form, DA uses the arithmetic mean and sample covariance…

统计方法学 · 统计学 2026-05-12 Mia Hubert , Jakob Raymaekers , Peter J. Rousseeuw

This paper proposes an improved linear discriminant analysis called spectrally-corrected and regularized LDA (SRLDA). This method integrates the design ideas of the sample spectrally-corrected covariance matrix and the regularized…

机器学习 · 统计学 2024-03-11 Hua Li , Wenya Luo , Zhidong Bai , Huanchao Zhou , Zhangni Pu

In this paper, we study the partial multi-label (PML) image classification problem, where each image is annotated with a candidate label set consists of multiple relevant labels and other noisy labels. Existing PML methods typically design…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Feng Sun , Ming-Kun Xie , Sheng-Jun Huang

Accurate identification of late-life depression (LLD) using structural brain MRI is essential for monitoring disease progression and facilitating timely intervention. However, existing learning-based approaches for LLD detection are often…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Yuzhen Gao , Qianqian Wang , Yongheng Sun , Cui Wang , Yongquan Liang , Mingxia Liu

In multi-label classification, the main focus has been to develop ways of learning the underlying dependencies between labels, and to take advantage of this at classification time. Developing better feature-space representations has been…

机器学习 · 计算机科学 2015-02-23 Jesse Read , Fernando Perez-Cruz

Semi-supervised learning utilizes insights from unlabeled data to improve model generalization, thereby reducing reliance on large labeled datasets. Most existing studies focus on limited samples and fail to capture the overall data…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Xiuzhen Guo , Lianyuan Yu , Ji Shi , Na Lei , Hongxiao Wang

Few-shot image classification has emerged as a key challenge in the field of computer vision, highlighting the capability to rapidly adapt to new tasks with minimal labeled data. Existing methods predominantly rely on image-level features…

计算机视觉与模式识别 · 计算机科学 2024-01-25 Maofa Wang , Bingchen Yan

Existed pre-trained models have achieved state-of-the-art performance on various text classification tasks. These models have proven to be useful in learning universal language representations. However, the semantic discrepancy between…

机器学习 · 计算机科学 2022-01-07 Jinhe Lan , Qingyuan Zhan , Chenhao Jiang , Kunping Yuan , Desheng Wang

In this paper a novel efficient method for representation of facial action units by encoding an image sequence as a fourth-order tensor is presented. The multilinear tensor-based extension of the biased discriminant analysis (BDA)…

计算机视觉与模式识别 · 计算机科学 2010-04-06 Mahmoud Khademi , Mehran Safayani , Mohammad T. Manzuri-Shalmani

With their combined spectral depth and geometric resolution, hyperspectral remote sensing images embed a wealth of complex, non-linear information that challenges traditional computer vision techniques. Yet, deep learning methods known for…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Salma Haidar , José Oramas

Label information plays an important role in supervised hyperspectral image classification problem. However, current classification methods all ignore an important and inevitable problem---labels may be corrupted and collecting clean labels…

计算机视觉与模式识别 · 计算机科学 2019-04-03 Junjun Jiang , Jiayi Ma , Zheng Wang , Chen Chen , Xianming Liu

Feature selection and feature transformation, the two main ways to reduce dimensionality, are often presented separately. In this paper, a feature selection method is proposed by combining the popular transformation based dimensionality…

机器学习 · 计算机科学 2015-04-22 Hong Tao , Chenping Hou , Feiping Nie , Yuanyuan Jiao , Dongyun Yi

We propose a deep neural network (DNN) based least distance (LD) estimator (DNN-LD) for a multivariate regression problem, addressing the limitations of the conventional methods. Due to the flexibility of a DNN structure, both linear and…

统计方法学 · 统计学 2024-01-09 Jungmin Shin , Seung Jun Shin , Sungwan Bang

Latest least squares regression (LSR) methods mainly try to learn slack regression targets to replace strict zero-one labels. However, the difference of intra-class targets can also be highlighted when enlarging the distance between…

计算机视觉与模式识别 · 计算机科学 2019-10-09 Zhe Chen , Xiao-Jun Wu , Josef Kittler

Domain adaptation (DA) is transfer learning which aims to learn an effective predictor on target data from source data despite data distribution mismatch between source and target. We present in this paper a novel unsupervised DA method for…

计算机视觉与模式识别 · 计算机科学 2018-02-23 Lingkun Luo , Liming Chen , Ying lu , Shiqiang Hu

Noise transition matrix (NTM) estimation is a promising approach for learning with label noise. It can infer clean posterior probabilities, known as Label Distribution (LD), based on noisy ones and reduce the impact of noisy labels.…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Zehui Liao , Shishuai Hu , Yutong Xie , Yong Xia