Results 141 to 150 of about 6,475 (267)

shearlets on bounded domains and analysis of singularities using compactly supported shearlets

open access: yes, 2016
In this thesis we discuss and extend the theory of shearlet systems. These systems were introduced by Guo, Kutyniok, Labate, Lim and Weiss, and have found a multitude of applications in signal- and image processing and related fields since then. The results of this thesis are split into two different but connected parts.
openaire   +2 more sources

Analyse von Shearlet-Coorbit-Räumen

open access: yes, 2018
Coorbit theory provides a framework for the study of approximation theoretic properties of certain elementary building blocks and to analyze properties of functions by considering the decay behavior of their associated wavelet transform. This transform is based on a representation of a group and properties of the group are decisive for the structure of
openaire   +2 more sources

Predicting T Cell-Inflamed Gene Expression Profile in Hepatocellular Carcinoma Based on Dynamic Contrast-Enhanced Ultrasound Radiomics. [PDF]

open access: yesJ Hepatocell Carcinoma, 2023
Wang Y   +11 more
europepmc   +1 more source

A New Shearlet Framework for Image Denoising

open access: yesIranian Journal of Electrical and Electronic Engineering, 2016
Traditional noise removal methods like Non-Local Means create spurious boundaries inside regular zones. Visushrink removes too many coefficients and yields recovered images that are overly smoothed.
E. Ehsaeyan
doaj  

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