Deterministic construction of unimodular tight frames consisting orthogonal blocks via block preserving operators
A highly redundant incoherent unimodular tight frame (UMTF) finds desirability across
various fields, including quantum communications and signal processing. Incorporating a …
various fields, including quantum communications and signal processing. Incorporating a …
[HTML][HTML] SimCDL: A Simple Framework for Contrastive Dictionary Learning
DC Ilie-Ablachim, B Dumitrescu - Applied Sciences, 2024 - mdpi.com
In this paper, we propose a novel approach to the dictionary learning (DL) initialization
problem, leveraging the SimCLR framework from deep learning in a self-supervised …
problem, leveraging the SimCLR framework from deep learning in a self-supervised …
Classification With Dictionary Learning and A Distance Barrier Promoting Incoherence
DC Ilie-Ablachim, B Dumitrescu - 2023 IEEE 33rd International …, 2023 - ieeexplore.ieee.org
We present a new approach to the incoherent dictionary learning problem using a barrier
function that promotes incoherence. This function has a context-dependent quadratic term …
function that promotes incoherence. This function has a context-dependent quadratic term …