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- research-articleJanuary 2025
Tucker Decomposition-Enhanced Dynamic Graph Convolutional Networks for Crowd Flows Prediction
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 16, Issue 1Article No.: 25, Pages 1–19https://doi.org/10.1145/3706116Crowd flows prediction is an important problem for traffic management and public safety. Graph Convolutional Network (GCN), known for its ability to effectively capture and utilize topological information, has demonstrated significant advancements in ...
- research-articleJanuary 2025
An L-DEIM induced high order tensor interpolatory decomposition
Journal of Computational and Applied Mathematics (JCAM), Volume 453, Issue Chttps://doi.org/10.1016/j.cam.2024.116143AbstractThis paper derives the CUR-type factorization for tensors in the Tucker format based on a new variant of the discrete empirical interpolation method known as L-DEIM. This novel sampling technique allows us to construct an efficient algorithm for ...
- research-articleMay 2024
Temporal pattern-aware QoS prediction by Biased Non-negative Tucker Factorization of tensors
AbstractDynamic quality of service (QoS) data contain rich temporal patterns of user-service interactions, which are vital for better understanding user behaviors and service conditions. Canonical polyadic (CP)-based latent factorization model has proven ...
Highlights- A model utilizes a tucker decomposition paradigm for accurate QoS prediction.
- Incorporation of Tucker decomposition (TD) helps to extract the feature accurately.
- Decoupled ranks allow accuracy boosting with optimal ranks for a ...
- research-articleMarch 2024
A low-rank and sparse enhanced Tucker decomposition approach for tensor completion
Applied Mathematics and Computation (APMC), Volume 465, Issue Chttps://doi.org/10.1016/j.amc.2023.128432AbstractIn this paper, we introduce a unified low-rank and sparse enhanced Tucker decomposition model for tensor completion. Our model possesses a sparse regularization term to promote a sparse core of the Tucker decomposition, which is beneficial for ...
- research-articleJune 2023
Adaptive graph regularized non-negative Tucker decomposition for multiway dimensionality reduction
Multimedia Tools and Applications (MTAA), Volume 83, Issue 4Pages 9647–9668https://doi.org/10.1007/s11042-023-15622-4AbstractNon-negative Tucker decomposition (NTD) is a powerful tool for data representation to capture rich internal structure information from non-negative high-dimensional tensor data. Arguing that NTD methods often give global-like information, graph ...
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- research-articleJune 2023
TuckerDNCaching: high-quality negative sampling with tucker decomposition
Journal of Intelligent Information Systems (JIIS), Volume 61, Issue 3Pages 739–763https://doi.org/10.1007/s10844-023-00796-yAbstractKnowledge Graph Embedding (KGE) translates entities and relations of knowledge graphs (KGs) into a low-dimensional vector space, enabling an efficient way of predicting missing facts. Generally, KGE models are trained with positive and negative ...
Algorithm 1036: ATC, An Advanced Tucker Compression Library for Multidimensional Data
ACM Transactions on Mathematical Software (TOMS), Volume 49, Issue 2Article No.: 21, Pages 1–25https://doi.org/10.1145/3585514We present ATC, a C++ library for advanced Tucker-based lossy compression of dense multidimensional numerical data in a shared-memory parallel setting, based on the sequentially truncated higher-order singular value decomposition (ST-HOSVD) and bit plane ...
- research-articleMarch 2023
Practical Sketching Algorithms for Low-Rank Tucker Approximation of Large Tensors
Journal of Scientific Computing (JSCI), Volume 95, Issue 2https://doi.org/10.1007/s10915-023-02172-yAbstractLow-rank approximation of tensors has been widely used in high-dimensional data analysis. It usually involves singular value decomposition (SVD) of large-scale matrices with high computational complexity. Sketching is an effective data compression ...
- research-articleMarch 2023
Optimality conditions for Tucker low-rank tensor optimization
Computational Optimization and Applications (COOP), Volume 86, Issue 3Pages 1275–1298https://doi.org/10.1007/s10589-023-00465-4AbstractOptimization problems with tensor variables are widely used in statistics, machine learning, pattern recognition, signal processing, computer vision, etc. Among these applications, the low-rankness of tensors is an intrinsic property that can help ...
- research-articleMarch 2023
Wilson’s disease classification using higher-order Gabor tensors and various classifiers on a small and imbalanced brain MRI dataset
Multimedia Tools and Applications (MTAA), Volume 82, Issue 23Pages 35121–35147https://doi.org/10.1007/s11042-023-14979-wAbstractWilson’s Disease (WD) is a rare, autosomal recessive disorder caused by excessive accumulation of Copper (Cu) in various human organs such as the liver, brain, and eyes. Accurate WD diagnosis is challenging because of: (1) subtle intensity ...
- research-articleFebruary 2023
Static and Streaming Tucker Decomposition for Dense Tensors
ACM Transactions on Knowledge Discovery from Data (TKDD), Volume 17, Issue 5Article No.: 66, Pages 1–34https://doi.org/10.1145/3568682Given a dense tensor, how can we efficiently discover hidden relations and patterns in static and online streaming settings? Tucker decomposition is a fundamental tool to analyze multidimensional arrays in the form of tensors. However, existing Tucker ...
- research-articleFebruary 2024
Case study of video compression via tensor train and Tucker decompositions
Computational Mathematics and Modeling (SPCMM), Volume 34, Issue 1Pages 42–53https://doi.org/10.1007/s10598-024-09594-9AbstractThis work represents a study of the capabilities of an approach for lossy video compression based on the tensor train and Tucker tensor formats. The TTSVD and st-HOSVD algorithms are used for video compression, which are represented as ...
- research-articleJanuary 2023
Implicit regularization and entrywise convergence of Riemannian optimization for low tucker-rank tensor completion
The Journal of Machine Learning Research (JMLR), Volume 24, Issue 1Article No.: 347, Pages 16651–16734This paper is concerned with the low Tucker-rank tensor completion problem, which is about reconstructing a tensor Τ ∈ ℝn×n×n of low multilinear rank from partially observed entries. Riemannian optimization algorithms are a class of efficient methods for ...
- research-articleNovember 2022
A novel compact design of convolutional layers with spatial transformation towards lower-rank representation for image classification
AbstractConvolutional neural networks (CNNs) usually come with numerous parameters and thus are not convenient for some situations, such as when the storage space is limited. Low-rank decomposition is one effective way for network compression ...
- research-articleSeptember 2022
Perturbations of the Tcur Decomposition for Tensor Valued Data in the Tucker Format
Journal of Optimization Theory and Applications (JOPT), Volume 194, Issue 3Pages 852–877https://doi.org/10.1007/s10957-022-02051-wAbstractThe tensor CUR decomposition in the Tucker format is a special case of Tucker decomposition with a low multilinear rank, where factor matrices are obtained by selecting some columns from the mode-n unfolding of the tensor. We perform a thorough ...
- research-articleSeptember 2022
Dimensionality reduction algorithm of tensor data based on orthogonal tucker decomposition and local discrimination difference
Applied Intelligence (KLU-APIN), Volume 52, Issue 12Pages 14518–14540https://doi.org/10.1007/s10489-022-03165-4AbstractDimensionality Reduction (DR) is a significant subject which have aroused extensive attention of researchers. In this paper, a novel method is proposed to reduce the dimensionality of tensor data based on orthogonal Tucker decomposition model and ...
- ArticleAugust 2022
Low-Rank Tensor Tucker Decomposition for Hyperspectral Images Super-Resolution
AbstractSuper-resolution is an important way to improve the spatial resolution of Hyperspectral images (HSIs). In this paper, we propose a super-resolution method based on low-rank tensor Tucker Decomposition and weighted 3D total variation (TV) for HSIs. ...
- ArticleAugust 2022
An Analysis of Low-Rank Decomposition Selection for Deep Convolutional Neural Networks
AbstractDeep convolutional neural networks have achieved state of the art results in many image classification tasks. However, the large amount of parameters of the network limit its deployment to storage space limited situations. Low-rank decomposition ...
- research-articleJuly 2022
A Hybrid Tucker-VQ Tensor Sketch decomposition model for coding and streaming real world light fields using stack of differently focused images
Pattern Recognition Letters (PTRL), Volume 159, Issue CPages 23–30https://doi.org/10.1016/j.patrec.2022.04.034Highlights- Lightfield representation, coding and streaming schemes using a stack of focal images.
Computational multi-view displays involving light fields are a fast emerging choice for 3D presentation of real-world scenes. Tensor autostereoscopic glasses-free displays use just few light attenuating layers in front of a backlight ...
- research-articleJune 2022
RETRACTED ARTICLE: Blind code estimation of multi-antenna direct-spread CDMA with long-code signal using decomposition technique
Soft Computing - A Fusion of Foundations, Methodologies and Applications (SOFC), Volume 26, Issue 12Pages 5815–5822https://doi.org/10.1007/s00500-022-07147-zAbstractAiming at the problem of blind estimation of the spreading code of multi-antenna Direct-Spread CDMA Long-Code (DS-CDMA LC) signals with poor interpolation effect, the idea of segmentation is used to construct the third-order tensor of the received ...