3 papers
math.NA2025
LDMD with Temporally Adaptive Segmentation
Qiuqi Li, Chang Liu, Yifei Yang
Dynamic mode decomposition (DMD) is a widely used data-driven algorithm for predicting the future states of dynamical systems. However, its standard formulation often struggles wit…
math.NA2025
Localized Dynamic Mode Decomposition with Temporally Adaptive Segmentation
Qiuqi Li, Chang Liu, Yifei Yang
Dynamic mode decomposition (DMD) is a widely used data-driven algorithm for predicting the future states of dynamical systems. However, its standard formulation often struggles wit…
math.NA2025
A Novel Adaptive Low-Rank Matrix Approximation Method for Image Compression and Reconstruction
Weiwei Xu, Weijie Shen, Chang Liu +1
Low-rank matrix approximation plays an important role in various applications such as image processing, signal processing and data analysis. The existing methods require a guess of…