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Hyperalignment has been widely employed in Multivariate Pattern (MVP) analysis to discover the cognitive states in the human brains based on multi-subject functional Magnetic Resonance Imaging (fMRI) datasets. Most of the existing HA…

Machine Learning · Statistics 2020-01-10 Muhammad Yousefnezhad , Alessandro Selvitella , Liangxiu Han , Daoqiang Zhang

This paper proposes Deep Hyperalignment (DHA) as a regularized, deep extension, scalable Hyperalignment (HA) method, which is well-suited for applying functional alignment to fMRI datasets with nonlinearity, high-dimensionality (broad ROI),…

Neurons and Cognition · Quantitative Biology 2017-10-12 Muhammad Yousefnezhad , Daoqiang Zhang

Multi-subject fMRI data analysis is an interesting and challenging problem in human brain decoding studies. The inherent anatomical and functional variability across subjects make it necessary to do both anatomical and functional alignment…

Machine Learning · Computer Science 2018-07-11 Tonglin Xu , Muhammad Yousefnezhad , Daoqiang Zhang

Discriminating patients with Alzheimer's disease (AD) from healthy subjects is a crucial task in the research of Alzheimer's disease. The task can be potentially achieved by linear discriminant analysis (LDA), which is one of the most…

Methodology · Statistics 2020-05-05 Yingjie Li , Liangliang Zhang , Tapabrata Maiti

A novel approach for supervised classification analysis for high dimensional and flat data (more variables than observations) is proposed. We use the information of class-membership of observations to determine groups of observations…

Linear Discriminant Analysis (LDA) is a widely-used supervised dimensionality reduction method in computer vision and pattern recognition. In null space based LDA (NLDA), a well-known LDA extension, between-class distance is maximized in…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Shuai Zheng , Feiping Nie , Chris Ding , Heng Huang

Linear discriminant analysis (LDA) is a well-known method for multiclass classification and dimensionality reduction. However, in general, ordinary LDA does not achieve high prediction accuracy when observations in some classes are…

Methodology · Statistics 2021-07-07 Kei Hirose , Kanta Miura , Atori Koie

The precise detection of mild cognitive impairment (MCI) is of significant importance in preventing the deterioration of patients in a timely manner. Although hypergraphs have enhanced performance by learning and analyzing brain networks,…

Machine Learning · Computer Science 2025-01-14 Manman Yuan , Weiming Jia , Xiong Luo , Jiazhen Ye , Peican Zhu , Junlin Li

This paper presents an unsupervised deep-learning framework named Local Deep-Feature Alignment (LDFA) for dimension reduction. We construct neighbourhood for each data sample and learn a local Stacked Contractive Auto-encoder (SCAE) from…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Jian Zhang , Jun Yu , Dacheng Tao

Deep learning (DL) applied to breast tissue segmentation in magnetic resonance imaging (MRI) has received increased attention in the last decade, however, the domain shift which arises from different vendors, acquisition protocols, and…

Monocular depth estimation (MDE) has attracted intense study due to its low cost and critical functions for robotic tasks such as localization, mapping and obstacle detection. Supervised approaches have led to great success with the advance…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Shao-Yuan Lo , Wei Wang , Jim Thomas , Jingjing Zheng , Vishal M. Patel , Cheng-Hao Kuo

Support Vector Data Description is a popular method for outlier detection. However, its usefulness largely depends on selecting good hyperparameter values -- a difficult problem that has received significant attention in literature.…

Machine Learning · Computer Science 2019-12-05 Holger Trittenbach , Klemens Böhm , Ira Assent

Functional linear discriminant analysis (FLDA) is a powerful tool that extends LDA-mediated multiclass classification and dimension reduction to univariate time-series functions. However, in the age of large multivariate and incomplete…

Machine Learning · Computer Science 2026-04-23 Rahul Bordoloi , Clémence Réda , Orell Trautmann , Saptarshi Bej , Olaf Wolkenhauer

Recent advancements indicate that scaling up Multimodal Large Language Models (MLLMs) effectively enhances performance on downstream multimodal tasks. The prevailing MLLM paradigm, \emph{e.g.}, LLaVA, transforms visual features into…

Artificial Intelligence · Computer Science 2024-03-21 Wenqiao Zhang , Tianwei Lin , Jiang Liu , Fangxun Shu , Haoyuan Li , Lei Zhang , He Wanggui , Hao Zhou , Zheqi Lv , Hao Jiang , Juncheng Li , Siliang Tang , Yueting Zhuang

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…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Yuzhen Gao , Qianqian Wang , Yongheng Sun , Cui Wang , Yongquan Liang , Mingxia Liu

We propose a new learning method for heterogeneous domain adaptation (HDA), in which the data from the source domain and the target domain are represented by heterogeneous features with different dimensions. Using two different projection…

Machine Learning · Computer Science 2012-06-22 Lixin Duan , Dong Xu , Ivor Tsang

Few-shot learning for image classification comes up as a hot topic in computer vision, which aims at fast learning from a limited number of labeled images and generalize over the new tasks. In this paper, motivated by the idea of Fisher…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Qijun Song , Siyun Zhou , Liwei Xu

Dimensionality reduction is a crucial step for pattern recognition and data mining tasks to overcome the curse of dimensionality. Principal component analysis (PCA) is a traditional technique for unsupervised dimensionality reduction, which…

Machine Learning · Computer Science 2017-05-04 Zan Gao , Guotai Zhang , Feiping Nie , Hua Zhang

In many artificial intelligence and computer vision systems, the same object can be observed at distinct viewpoints or by diverse sensors, which raises the challenges for recognizing objects from different, even heterogeneous views.…

Machine Learning · Statistics 2020-04-03 Xiaoyun Li , Jie Gui , Ping Li

Long-context inference in large language models is bottlenecked by Key--Value (KV) cache loading during the decoding stage, where the sequential nature of generation requires repeatedly transferring the KV cache from off-chip High-Bandwidth…

Machine Learning · Computer Science 2026-03-03 Songtao Liu , Hongwu Peng , Zhiwei Zhang , Zhengyu Chen , Yue Guo
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