Results 111 to 120 of about 3,242 (211)

Facial Expression Recognition Based on Discrete Separable Shearlet Transform and Feature Selection

open access: yesAlgorithms, 2018
In this paper, a novel approach to facial expression recognition based on the discrete separable shearlet transform (DSST) and normalized mutual information feature selection is proposed. The approach can be divided into five steps.
Yang Lu, Shigang Wang, Wenting Zhao
doaj   +1 more source

Embeddings of Decomposition Spaces into Sobolev and BV Spaces

open access: yes, 2016
In the present paper, we investigate whether an embedding of a decomposition space $\mathcal{D}\left(\mathcal{Q},L^{p},Y\right)$ into a given Sobolev space $W^{k,q}(\mathbb{R}^{d})$ exists.
Voigtlaender, Felix
core  

Enhanced Offshore Wind Farm Geophysical Surveys: Shearlet-Sparse Regularization in Multi-Channel Predictive Deconvolution

open access: yesRemote Sensing
This study introduces a novel multi-channel predictive deconvolution method enhanced by Shearlet-based sparse regularization, aimed at improving the accuracy and stability of subsurface seismic imaging, particularly in offshore wind farm site assessments.
Yang Zhang   +5 more
doaj   +1 more source

Shearlet shrinkage with integro-differential equations using 3-dimensional continuous shearlet transform

open access: yes, 2022
The generalization of continuous wavelet, a directional multiscale is known as continuous shearlet which is able to study the directional functions and distributions. Many useful features do not carry from 2-dimensional to 3-dimensional cases due to the complexity of singularity sets defined on surfaces rather than along curves.
openaire   +1 more source

Comparing Undecimated Wavelet, Nonsubsampled Contourlet and Shearlet for Sar Images Despeckling

open access: yesMajlesi Journal of Electrical Engineering
Synthetic Aperture Radar (SAR) images suffer of multiplicative speckle noise, which damages the radiometric resolution of SAR images and makes the data interpretation difficult.
Saeed Jafari   +2 more
doaj  

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