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Resting-state functional MRI (rs-fMRI) is increasingly employed in multi-site research to aid neurological disorder analysis. Existing studies usually suffer from significant cross-site/domain data heterogeneity caused by site effects such…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Yuqi Fang , Jinjian Wu , Qianqian Wang , Shijun Qiu , Andrea Bozoki , Huaicheng Yan , Mingxia Liu

The enormous parameter scale of large language models (LLMs) has made model compression a research hotspot, which aims to alleviate computational resource demands during deployment and inference. As a promising direction, low-rank…

Machine Learning · Computer Science 2025-07-08 Guangyan Li , Yongqiang Tang , Wensheng Zhang

Covariance and Hessian matrices have been analyzed separately in the literature for classification problems. However, integrating these matrices has the potential to enhance their combined power in improving classification performance. We…

Machine Learning · Computer Science 2024-10-10 Agus Hartoyo , Jan Argasiński , Aleksandra Trenk , Kinga Przybylska , Anna Błasiak , Alessandro Crimi

We introduce a method called multi-scale local shape analysis, or MLSA, for extracting features that describe the local structure of points within a dataset. The method uses both geometric and topological features at multiple levels of…

Computational Geometry · Computer Science 2014-10-14 Paul Bendich , Ellen Gasparovic , John Harer , Rauf Izmailov , Linda Ness

While continual visual instruction tuning (CVIT) has shown promise in adapting multimodal large language models (MLLMs), existing studies predominantly focus on models without safety alignment. This critical oversight ignores the fact that…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Ziqi Wang , Chang Che , Qi Wang , Hui Ma , Zenglin Shi , Cees G. M. Snoek , Meng Wang

We present a supervised dimensionality reduction technique called Convex Linear Discriminant Analysis (ConvexLDA). The proposed model optimizes a multi-objective cost function by balancing two complementary terms. The first term pulls the…

Machine Learning · Computer Science 2025-03-19 Sai Vijay Kumar Surineela , Prathyusha Kanakamalla , Harigovind Harikumar , Tomojit Ghosh

Adversarial discriminative domain adaptation (ADDA) is an efficient framework for unsupervised domain adaptation in image classification, where the source and target domains are assumed to have the same classes, but no labels are available…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Aaron Chadha , Yiannis Andreopoulos

Person re-identification is to seek a correct match for a person of interest across views among a large number of imposters. It typically involves two procedures of non-linear feature extractions against dramatic appearance changes, and…

Computer Vision and Pattern Recognition · Computer Science 2016-06-07 Lin Wu , Chunhua Shen , Anton van den Hengel

Background: A universal unanswered question in neuroscience and machine learning is whether computers can decode the patterns of the human brain. Multi-Voxels Pattern Analysis (MVPA) is a critical tool for addressing this question. However,…

Machine Learning · Statistics 2017-10-06 Muhammad Yousefnezhad , Daoqiang Zhang

Vision-language pre-training (VLP) has recently proven highly effective for various uni- and multi-modal downstream applications. However, most existing end-to-end VLP methods use high-resolution image-text box data to perform well on…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Shraman Pramanick , Li Jing , Sayan Nag , Jiachen Zhu , Hardik Shah , Yann LeCun , Rama Chellappa

Early diagnosis of attention-deficit/hyperactivity disorder (ADHD) in children plays a crucial role in improving outcomes in education and mental health. Diagnosing ADHD using neuroimaging data, however, remains challenging due to…

Image and Video Processing · Electrical Eng. & Systems 2026-01-16 Jyun-Ping Kao , Shinyeong Rho , Shahar Lazarev , Hyun-Hae Cho , Fangxu Xing , Taehoon Shin , C. -C. Jay Kuo , Jonghye Woo

Applications such as face recognition that deal with high-dimensional data need a mapping technique that introduces representation of low-dimensional features with enhanced discriminatory power and a proper classifier, able to classify…

Computer Vision and Pattern Recognition · Computer Science 2008-12-16 Seyyed Majid Valiollahzadeh , Abolghasem Sayadiyan , Mohammad Nazari

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…

Machine Learning · Computer Science 2020-11-24 Yang Zhou , Shiliang Sun

Labeling medical images depends on professional knowledge, making it difficult to acquire large amount of annotated medical images with high quality in a short time. Thus, making good use of limited labeled samples in a small dataset to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Peng Jiang , Juan Liu , Lang Wang , Zhihui Ynag , Hongyu Dong , Jing Feng

In this work, we propose the joint linked component analysis (joint\_LCA) for multiview data. Unlike classic methods which extract the shared components in a sequential manner, the objective of joint\_LCA is to identify the view-specific…

Machine Learning · Statistics 2024-06-18 Lin Xiao , Luo Xiao

Canonical Correlation Analysis (CCA) is widely used for multimodal data analysis and, more recently, for discriminative tasks such as multi-view learning; however, it makes no use of class labels. Recent CCA methods have started to address…

Machine Learning · Computer Science 2019-07-19 Heather D. Couture , Roland Kwitt , J. S. Marron , Melissa Troester , Charles M. Perou , Marc Niethammer

In this paper, we propose a novel non-standard Local Fourier Analysis (LFA) variant for accurately predicting the multigrid convergence of problems with random and jumping coefficients. This LFA method is based on a specific basis of the…

Numerical Analysis · Mathematics 2019-02-26 Prashant Kumar , Carmen Rodrigo , Francisco J. Gaspar , Cornelis W. Oosterlee

We introduce a non-parametric hierarchical Bayesian approach for open-ended 3D object categorization, named the Local Hierarchical Dirichlet Process (Local-HDP). This method allows an agent to learn independent topics for each category…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 H. Ayoobi , H. Kasaei , M. Cao , R. Verbrugge , B. Verheij

Multi-Head Attention (MHA) is the core computational primitive underlying modern Large Language Models (LLMs). However, MHA suffers from a fundamental linear scaling limitation: $H$ attention heads produce exactly $H$ independent attention…

Existing alignment techniques for Large Language Models (LLMs), such as Direct Preference Optimization (DPO), typically treat the model as a monolithic entity, applying uniform optimization pressure across all layers. This approach…

Computation and Language · Computer Science 2025-10-15 Yukun Zhang , Qi Dong
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