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Learning medical visual representations directly from paired radiology reports has become an emerging topic in representation learning. However, existing medical image-text joint learning methods are limited by instance or local supervision…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Fuying Wang , Yuyin Zhou , Shujun Wang , Varut Vardhanabhuti , Lequan Yu

The increasing use of multiple sensors, which produce a large amount of multi-dimensional data, requires efficient representation and classification methods. In this paper, we present a new method for multi-dimensional data classification…

Linear discriminant analysis (LDA) is a fundamental method for feature extraction and dimensionality reduction. Despite having many variants, classical LDA has its own importance, as it is a keystone in human knowledge about statistical…

计算机视觉与模式识别 · 计算机科学 2022-10-03 Sayed Kamaledin Ghiasi-Shirazi

Mining useful clusters from high dimensional data has received significant attention of the computer vision and pattern recognition community in the recent years. Linear and non-linear dimensionality reduction has played an important role…

计算机视觉与模式识别 · 计算机科学 2016-05-25 Nauman Shahid , Nathanael Perraudin , Vassilis Kalofolias , Gilles Puy , Pierre Vandergheynst

Comparing tensors and identifying their (dis)similar structures is fundamental in understanding the underlying phenomena for complex data. Tensor decomposition methods help analysts extract tensors' essential characteristics and aid in…

人机交互 · 计算机科学 2025-07-29 Naoki Okami , Kazuki Miyake , Naohisa Sakamoto , Jorji Nonaka , Takanori Fujiwara

Medical ultrasound video analysis is challenging due to variable sequence lengths, subtle spatial cues, and the need for interpretable video-level assessment. We introduce GADA, a Graph Attention-based Detection Aggregation framework that…

图像与视频处理 · 电气工程与系统科学 2025-10-14 Li Chen , Naveen Balaraju , Jochen Kruecker , Balasundar Raju , Alvin Chen

High-dimensional classification and feature selection tasks are ubiquitous with the recent advancement in data acquisition technology. In several application areas such as biology, genomics and proteomics, the data are often functional in…

机器学习 · 统计学 2021-09-30 W Yu , S Wade , H D Bondell , L Azizi

The polycystic ovary syndrome diagnosis is a problem that can be leveraged using prognostication based learning procedures. Many implementations of PCOS can be seen with Machine Learning but the algorithms have certain limitations in…

机器学习 · 计算机科学 2023-03-28 Raunak Joshi , Abhishek Gupta , Himanshu Soni , Ronald Laban

Preference disaggregation analysis (PDA) is a widely used approach in multicriteria decision analysis that aims to extract preferential information from holistic judgments provided by decision makers. This paper presents an original…

Recent advances show that two-dimensional linear discriminant analysis (2DLDA) is a successful matrix based dimensionality reduction method. However, 2DLDA may encounter the singularity issue theoretically and the sensitivity to outliers.…

机器学习 · 计算机科学 2018-10-26 Chun-Na Li , Yuan-Hai Shao , Wei-Jie Chen , Zhen Wang , Nai-Yang Deng

Linear discriminant analysis (LDA) based classifiers tend to falter in many practical settings where the training data size is smaller than, or comparable to, the number of features. As a remedy, different regularized LDA (RLDA) methods…

机器学习 · 计算机科学 2021-03-30 Alam Zaib , Tarig Ballal , Shahid Khattak , Tareq Y. Al-Naffouri

The problem of complex data analysis is a central topic of modern statistical science and learning systems and is becoming of broader interest with the increasing prevalence of high-dimensional data. The challenge is to develop statistical…

机器学习 · 统计学 2018-03-05 Faicel Chamroukhi , Hien D. Nguyen

Principal component analysis (PCA) has well-documented merits for data extraction and dimensionality reduction. PCA deals with a single dataset at a time, and it is challenged when it comes to analyzing multiple datasets. Yet in certain…

机器学习 · 计算机科学 2017-10-27 Gang Wang , Jia Chen , Georgios B. Giannakis

Principal Component Analysis (PCA) is known to be the most widely applied dimensionality reduction approach. A lot of improvements have been done on the traditional PCA, in order to obtain optimal results in the dimensionality reduction of…

计算机视觉与模式识别 · 计算机科学 2020-09-28 Chisom Ezinne Ogbuanya

Data reconciliation (DR) and Principal Component Analysis (PCA) are two popular data analysis techniques in process industries. Data reconciliation is used to obtain accurate and consistent estimates of variables and parameters from…

机器学习 · 计算机科学 2015-05-05 Shankar Narasimhan , Nirav Bhatt

We propose a novel algorithm for supervised dimensionality reduction named Manifold Partition Discriminant Analysis (MPDA). It aims to find a linear embedding space where the within-class similarity is achieved along the direction that is…

机器学习 · 计算机科学 2020-11-24 Yang Zhou , Shiliang Sun

Analyzing high-dimensional data presents challenges due to the "curse of dimensionality'', making computations intensive. Dimension reduction techniques, categorized as linear or non-linear, simplify such data. Non-linear methods are…

机器学习 · 统计学 2025-04-15 Praveen T. W. Hettige , Benjamin W. Ong

Principal Component Analysis (PCA) is the workhorse tool for dimensionality reduction in this era of big data. While often overlooked, the purpose of PCA is not only to reduce data dimensionality, but also to yield features that are…

机器学习 · 计算机科学 2021-11-30 Arpita Gang , Waheed U. Bajwa

This paper proposes a multilinear discriminant analysis network (MLDANet) for the recognition of multidimensional objects, known as tensor objects. The MLDANet is a variation of linear discriminant analysis network (LDANet) and principal…

计算机视觉与模式识别 · 计算机科学 2014-11-06 Rui Zeng , Jiasong Wu , Lotfi Senhadji , Huazhong Shu

Medical Ultrasound (US) is one of the most widely used imaging modalities in clinical practice, but its usage presents unique challenges such as variable imaging quality. Deep Learning (DL) models can serve as advanced medical US image…

图像与视频处理 · 电气工程与系统科学 2023-10-06 Zhaoshan Liu , Qiujie Lv , Chau Hung Lee , Lei Shen