3 papers
cs.CV2025
Automatic Neuronal Activity Segmentation in Fast Four Dimensional Spatio-Temporal Fluorescence Imaging using Bayesian Approach
Ran Li, Pan Xiao, Kaushik Dutta +1
Fluorescence Microcopy Calcium Imaging is a fundamental tool to in-vivo record and analyze large scale neuronal activities simultaneously at a single cell resolution. Automatic and…
cs.LG2024
An optimal pairwise merge algorithm improves the quality and consistency of nonnegative matrix factorization
Youdong Guo, Timothy E. Holy
Non-negative matrix factorization (NMF) is a key technique for feature extraction and widely used in source separation. However, existing algorithms may converge to poor local mini…
cs.LG2024
GSVD-NMF: Recovering Missing Features in Non-negative Matrix Factorization
Youdong Guo, Timothy E. Holy
Non-negative matrix factorization (NMF) is an important tool in signal processing and widely used to separate mixed sources into their components. Algorithms for NMF require that t…