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Photorealistic Codec Avatars (PCA), which generate high-fidelity human face renderings, are increasingly being used in Virtual Reality (VR) environments to enable immersive communication and interaction through deep learning-based…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Mingzhi Zhu , Ding Shang , Sai Qian Zhang

Canonical correlation analysis (CCA) is a powerful technique for discovering whether or not hidden sources are commonly present in two (or more) datasets. Its well-appreciated merits include dimensionality reduction, clustering,…

机器学习 · 计算机科学 2018-08-15 Jia Chen , Gang Wang , Yanning Shen , Georgios B. Giannakis

Sparse Canonical Correlation Analysis (CCA) has received considerable attention in high-dimensional data analysis to study the relationship between two sets of random variables. However, there has been remarkably little theoretical…

统计理论 · 数学 2013-11-26 Mengjie Chen , Chao Gao , Zhao Ren , Harrison H. Zhou

Deep learning has achieved remarkable success in image recognition, yet their inherent opacity poses challenges for deployment in critical domains. Concept-based interpretations aim to address this by explaining model reasoning through…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Shizhan Gong , Xiaofan Zhang , Qi Dou

We develop hierarchically quantized efficient embedding representations for similarity-based search and show that this representation provides not only the state of the art performance on the search accuracy but also provides several orders…

计算机视觉与模式识别 · 计算机科学 2019-03-08 Yeonwoo Jeong , Yoonsung Kim , Hyun Oh Song

Multimodal pre-training demonstrates strong generalization performance, but this paradigm is often impractical in domains where paired data are scarce. A promising alternative is post-hoc multimodal alignment, which aligns separately…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Shiwon Kim , Yu Rang Park

We propose an end-to-end trainable framework that processes large-scale visual data tensors by looking at a fraction of their entries only. Our method combines a neural network encoder with a tensor train decomposition to learn a low-rank…

计算机视觉与模式识别 · 计算机科学 2021-11-15 Mikhail Usvyatsov , Anastasia Makarova , Rafael Ballester-Ripoll , Maxim Rakhuba , Andreas Krause , Konrad Schindler

We consider the problem of sparse canonical correlation analysis (CCA), i.e., the search for two linear combinations, one for each multivariate, that yield maximum correlation using a specified number of variables. We propose an efficient…

统计计算 · 统计学 2008-01-18 Ami Wiesel , Mark Kliger , Alfred O. Hero

One of the central issues of several machine learning applications on real data is the choice of the input features. Ideally, the designer should select only the relevant, non-redundant features to preserve the complete information…

机器学习 · 计算机科学 2023-03-28 Paolo Bonetti , Alberto Maria Metelli , Marcello Restelli

Principal Component Analysis (PCA) is a dimensionality reduction technique widely used to reduce the computational cost associated with numerical simulations of combustion phenomena. However, PCA, which transforms the thermo-chemical state…

流体动力学 · 物理学 2026-02-26 Anirudh Jonnalagadda , Shubham P. Kulkarni , Akash Rodhiya , Hemanth Kolla , Konduri Aditya

For multiple multivariate data sets, we derive conditions under which Generalized Canonical Correlation Analysis (GCCA) improves classification performance of the projected datasets, compared to standard Canonical Correlation Analysis (CCA)…

机器学习 · 统计学 2024-06-27 Cencheng Shen , Ming Sun , Minh Tang , Carey E. Priebe

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

We consider the scenario where one observes an outcome variable and sets of features from multiple assays, all measured on the same set of samples. One approach that has been proposed for dealing with this type of data is ``sparse multiple…

定量方法 · 定量生物学 2014-01-24 Samuel M. Gross , Robert Tibshirani

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm for grounding large language models in external knowledge sources, improving the precision of agents responses. However, high-dimensional language model embeddings,…

机器学习 · 计算机科学 2025-04-14 Arman Khaledian , Amirreza Ghadiridehkordi , Nariman Khaledian

The main idea of canonical correlation analysis (CCA) is to map different views onto a common latent space with maximum correlation. We propose a deep interpretable variational canonical correlation analysis (DICCA) for multi-view learning.…

机器学习 · 统计学 2022-03-03 Lin Qiu , Lynn Lin , Vernon M. Chinchilli

Visual retrieval systems face significant challenges when updating models with improved representations due to misalignment between the old and new representations. The costly and resource-intensive backfilling process involves…

计算机视觉与模式识别 · 计算机科学 2024-08-19 Simone Ricci , Niccolò Biondi , Federico Pernici , Alberto Del Bimbo

Continual learning (CL) has spurred the development of several methods aimed at consolidating previous knowledge across sequential learning. Yet, the evaluations of these methods have primarily focused on the final output, such as changes…

机器学习 · 计算机科学 2024-08-20 Nishant Suresh Aswani , Amira Guesmi , Muhammad Abdullah Hanif , Muhammad Shafique

An efficient computational approach for optimal reconstructing parameters of binary-type physical properties for models in biomedical applications is developed and validated. The methodology includes gradient-based multiscale optimization…

计算物理 · 物理学 2020-12-24 Priscilla M. Koolman , Vladislav Bukshtynov

We propose novel first-order stochastic approximation algorithms for canonical correlation analysis (CCA). Algorithms presented are instances of inexact matrix stochastic gradient (MSG) and inexact matrix exponentiated gradient (MEG), and…

机器学习 · 计算机科学 2018-02-27 Raman Arora , Teodor V. Marinov , Poorya Mianjy , Nathan Srebro

We present Deep Generalized Canonical Correlation Analysis (DGCCA) -- a method for learning nonlinear transformations of arbitrarily many views of data, such that the resulting transformations are maximally informative of each other. While…

机器学习 · 计算机科学 2017-06-16 Adrian Benton , Huda Khayrallah , Biman Gujral , Dee Ann Reisinger , Sheng Zhang , Raman Arora