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We study the stochastic optimization of canonical correlation analysis (CCA), whose objective is nonconvex and does not decouple over training samples. Although several stochastic gradient based optimization algorithms have been recently…

Machine Learning · Computer Science 2016-11-15 Weiran Wang , Jialei Wang , Dan Garber , Nathan Srebro

Regularized Generalized Canonical Correlation Analysis (RGCCA) is a general statistical framework for multi-block data analysis. RGCCA enables deciphering relationships between several sets of variables and subsumes many well-known…

Machine Learning · Statistics 2023-02-13 Fabien Girka , Arnaud Gloaguen , Laurent Le Brusquet , Violetta Zujovic , Arthur Tenenhaus

We characterise some of the quirks and shortcomings in the exploration of Visual Dialogue - a sequential question-answering task where the questions and corresponding answers are related through given visual stimuli. To do so, we develop an…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Daniela Massiceti , Puneet K. Dokania , N. Siddharth , Philip H. S. Torr

The similarity in the three-dimensional structures of homologous proteins imposes strong constraints on their sequence variability. It has long been suggested that the resulting correlations among amino acid compositions at different…

We present RandomizedCCA, a randomized algorithm for computing canonical analysis, suitable for large datasets stored either out of core or on a distributed file system. Accurate results can be obtained in as few as two data passes, which…

Machine Learning · Statistics 2014-11-14 Paul Mineiro , Nikos Karampatziakis

We describe a technique for structured prediction, based on canonical correlation analysis. Our learning algorithm finds two projections for the input and the output spaces that aim at projecting a given input and its correct output into…

Computation and Language · Computer Science 2017-11-21 Nikos Papasarantopoulos , Helen Jiang , Shay B. Cohen

The pose problem is one of the bottlenecks in automatic face recognition. We argue that one of the diffculties in this problem is the severe misalignment in face images or feature vectors with different poses. In this paper, we propose that…

Computer Vision and Pattern Recognition · Computer Science 2015-07-30 Annan Li , Shiguang Shan , Xilin Chen , Bingpeng Ma , Shuicheng Yan , Wen Gao

Stimulation methods that utilise more than one stimulation frequency have been developed for steady-state visual evoked potential (SSVEP) brain-computer interfaces (BCIs) with the purpose of increasing the number of targets that can be…

Neurons and Cognition · Quantitative Biology 2021-08-12 Jing Mu , Ying Tan , David B. Grayden , Denny Oetomo

The variability in ECG readings influenced by individual patient characteristics has posed a considerable challenge to adopting automated ECG analysis in clinical settings. A novel feature fusion technique termed SACC (Self Attentive…

Signal Processing · Electrical Eng. & Systems 2025-02-25 Shreya Srivastava , Durgesh Kumar , Ram Jiwari , Sandeep Seth , Deepak Sharma

International Classification of Diseases (ICD) are the de facto codes used globally for clinical coding. These codes enable healthcare providers to claim reimbursement and facilitate efficient storage and retrieval of diagnostic…

Computation and Language · Computer Science 2022-02-22 Pavithra Rajendran , Alexandros Zenonos , Josh Spear , Rebecca Pope

We propose Deep Multiset Canonical Correlation Analysis (dMCCA) as an extension to representation learning using CCA when the underlying signal is observed across multiple (more than two) modalities. We use deep learning framework to learn…

Machine Learning · Computer Science 2023-02-09 Krishna Somandepalli , Naveen Kumar , Ruchir Travadi , Shrikanth Narayanan

Nowadays data sets are available in very complex and heterogeneous ways. Mining of such data collections is essential to support many real-world applications ranging from healthcare to marketing. In this work, we focus on the analysis of…

Artificial Intelligence · Computer Science 2015-04-10 Aleksey Buzmakov , Elias Egho , Nicolas Jay , Sergei O. Kuznetsov , Amedeo Napoli , Chedy Raïssi

Linking two data sources is a basic building block in numerous computer vision problems. Canonical Correlation Analysis (CCA) achieves this by utilizing a linear optimizer in order to maximize the correlation between the two views. Recent…

Computer Vision and Pattern Recognition · Computer Science 2017-02-14 Aviv Eisenschtat , Lior Wolf

We introduce Block Sparse Canonical Correlation Analysis which estimates multiple pairs of canonical directions (together a "block") at once, resulting in significantly improved orthogonality of the sparse directions which, we demonstrate,…

Machine Learning · Statistics 2020-01-22 Omid Shams Solari , Rojin Safavi , James B. Brown

Statistical coupling analysis (SCA) is a method for analyzing multiple sequence alignments that was used to identify groups of coevolving residues termed "sectors". The method applies spectral analysis to a matrix obtained by combining…

Biomolecules · Quantitative Biology 2015-06-19 Tiberiu Tesileanu , Lucy J. Colwell , Stanislas Leibler

This paper learns multi-modal embeddings from text, audio, and video views/modes of data in order to improve upon down-stream sentiment classification. The experimental framework also allows investigation of the relative contributions of…

Information Retrieval · Computer Science 2019-07-23 Zhongkai Sun , Prathusha K Sarma , William Sethares , Erik P. Bucy

Machine learning-based multi-label medical text classifications can be used to enhance the understanding of the human body and aid the need for patient care. We present a broad study on clinical natural language processing techniques to…

Information Retrieval · Computer Science 2020-04-02 Vithya Yogarajan , Jacob Montiel , Tony Smith , Bernhard Pfahringer

Medical Visual Question Answering (MedVQA) aims to answer medical questions according to medical images. However, the complexity of medical data leads to confounders that are difficult to observe, so bias between images and questions is…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Zibo Xu , Qiang Li , Weizhi Nie , Weijie Wang , Anan Liu

Deep learning models in medical imaging are susceptible to shortcut learning, relying on confounding metadata (e.g., scanner model) that is often encoded in image embeddings. The crucial question is whether the model actively utilizes this…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Chun Kit Wong , Paraskevas Pegios , Nina Weng , Emilie Pi Fogtmann Sejer , Martin Grønnebæk Tolsgaard , Anders Nymark Christensen , Aasa Feragen

Using causal relations to guide decision making has become an essential analytical task across various domains, from marketing and medicine to education and social science. While powerful statistical models have been developed for inferring…

Human-Computer Interaction · Computer Science 2020-09-08 Xiao Xie , Fan Du , Yingcai Wu