Advances in Tensor-Based Methods and Dimensionality Reduction

The field of tensor-based methods and dimensionality reduction is witnessing significant developments, driven by the need to efficiently process and analyze high-dimensional data. Researchers are exploring innovative approaches to improve the performance and interpretability of tensor decompositions, including the use of adaptive regularization mechanisms and intuitive example-driven methods to understand tensor ranks. Furthermore, there is a growing interest in developing robust and computationally efficient frameworks for non-negative matrix and tensor factorization, as well as dataset-adaptive dimensionality reduction techniques. These advancements have the potential to enhance the accuracy and efficiency of various applications, including hyperspectral image classification, data analysis, and visualization. Noteworthy papers in this area include:

  • SDTN and TRN, which propose a self-adaptive tensor-regularized network for hyperspectral image classification, achieving significant improvements in accuracy and reduced model parameters.
  • The Target Polish, which introduces a robust and computationally efficient framework for nonnegative matrix and tensor factorization, demonstrating outlier resistance and reduced computational time.

Sources

SDTN and TRN: Adaptive Spectral-Spatial Feature Extraction for Hyperspectral Image Classification

Understanding the Rank of Tensor Networks via an Intuitive Example-Driven Approach

Dimensionality increase for error correction in the interaction between information space and the physical world

The Target Polish: A New Approach to Outlier-Resistant Non-Negative Matrix and Tensor Factorization

Dimension of Bi-degree $(d,d)$ Spline Spaces with the Highest Order of Smoothness over Hierarchical T-Meshes

Dataset-Adaptive Dimensionality Reduction

Built with on top of