Quaternion Ridgelet Transform and Curvelet Transform
Sign Up to like & getrecommendations! Published in 2018 at "Advances in Applied Clifford Algebras"
DOI: 10.1007/s00006-018-0897-0
Abstract: In this article, we study the quaternion ridgelet transform and curvelet transform associated to the quaternion Fourier transform (QFT). We prove some properties related to such transforms, including reconstruction formulas, reproducing kernels and uncertainty principles. read more here.
Keywords: quaternion; curvelet transform; quaternion ridgelet; transform curvelet ... See more keywords
Feature extraction and power quality event classification using Curvelet transform and optimized extreme learning machine
Sign Up to like & getrecommendations! Published in 2021 at "Electrical Engineering"
DOI: 10.1007/s00202-021-01243-3
Abstract: This article presents an efficient method for power quality events (PQEs) detection and classification based on Curvelet transform (CT) and optimized extreme learning machine (OELM). Initially, various PQEs signal data are extracted even under noisy… read more here.
Keywords: transform optimized; optimized extreme; power quality; classification ... See more keywords
Curvelet transform and cover selection for secure steganography
Sign Up to like & getrecommendations! Published in 2017 at "Multimedia Tools and Applications"
DOI: 10.1007/s11042-017-4706-x
Abstract: In this paper, we present curvelet transform (CT) based image steganography that embeds scrambled secret image in appropriately selected cover image. Curvelet transform offers optimal nonadaptive sparse representation of objects with edges and possesses high… read more here.
Keywords: curvelet transform; cover selection; image; cover ... See more keywords
Automated quantification of ultrasonic fatty liver texture based on curvelet transform and SVD
Sign Up to like & getrecommendations! Published in 2018 at "Biocybernetics and Biomedical Engineering"
DOI: 10.1016/j.bbe.2017.12.004
Abstract: Abstract Fatty liver is a prevalent disease and is the major cause for the dysfunction of the liver. If fatty liver is untreated, it may progress into chronic diseases like cirrhosis, hepatocellular carcinoma, liver cancer,… read more here.
Keywords: curvelet transform; liver texture; fatty liver; liver ... See more keywords
Time-lapse full waveform inversion based on curvelet transform: Case study of CO2 storage monitoring
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Greenhouse Gas Control"
DOI: 10.1016/j.ijggc.2021.103417
Abstract: Abstract Full waveform inversion (FWI) has high accuracy in predicting reservoir elastic parameters. Prediction of changes in reservoir elastic parameters is an effective method for CO2 storage monitoring. Therefore, FWI is of great significance in… read more here.
Keywords: inversion; based curvelet; co2 storage; curvelet transform ... See more keywords
Quaternionic curvelet transform
Sign Up to like & getrecommendations! Published in 2017 at "Optik"
DOI: 10.1016/j.ijleo.2016.11.011
Abstract: Abstract In this paper, we extend the continuous curvelet transform to the space of quaternion valued functions using convolution. We prove that the quaternionic curvelet transform is consistent with the continuous curvelet transform of complex… read more here.
Keywords: curvelet transform; curvelet; quaternionic curvelet;
Mapping channel edges in seismic data using curvelet transform and morphological filter
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Geophysics"
DOI: 10.1016/j.jappgeo.2018.11.004
Abstract: Abstract Mapping channel edges is a significant issue in 3D seismic data interpretation. In this research, curvelet transform was employed in channel edge enhancement, owing to its high ability to depict curve edges. The default… read more here.
Keywords: channel edges; seismic data; curvelet; edge ... See more keywords
Detection in seismic data using curvelet transform and tensor-based elliptical adaptive structuring elements
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Geophysics"
DOI: 10.1016/j.jappgeo.2019.103881
Abstract: Abstract Channels are one of the vital issues in the exploration of oil and gas. They can be considered as reservoirs if they are filled with porous and permeable material and placed in a suitable… read more here.
Keywords: curvelet transform; curvelet; tensor; adaptive structuring ... See more keywords
Seismic resolution enhancement by the Curvelet transform
Sign Up to like & getrecommendations! Published in 2021 at "Exploration Geophysics"
DOI: 10.1080/08123985.2021.1883405
Abstract: Zone A in Nanpu Sag of Bohai Bay has the characteristics of multiple provenances, multiple sedimentary systems, fast phase transition, many faults, a short fault distance, thin reservoirs and rapid lateral changes. At present, due… read more here.
Keywords: curvelet transform; resolution; resolution seismic; curvelet ... See more keywords
Utilization of Curvelet Transform in Reconstructing Cellular Images for Undersampled Optical-resolution Photoacoustic Microscopy.
Sign Up to like & getrecommendations! Published in 2023 at "IEEE transactions on ultrasonics, ferroelectrics, and frequency control"
DOI: 10.1109/tuffc.2023.3272917
Abstract: We address the problem of limited temporal resolution in optical-resolution microscopy (OR-PAM) for cellular imaging by undersampling and reconstruction. A curvelet transform method in a compressed sensing framework (CS-CVT) was devised to specifically reconstruct the… read more here.
Keywords: cvt; curvelet transform; microscopy; optical resolution ... See more keywords
An Intertwining of Curvelet and Linear Canonical Transforms
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mathematics"
DOI: 10.1155/2020/8814998
Abstract: In this article, we introduce a novel curvelet transform by combining the merits of the well-known curvelet and linear canonical transforms. The motivation towards the endeavour spurts from the fundamental question of whether it is… read more here.
Keywords: curvelet transform; linear canonical; curvelet; novel curvelet ... See more keywords