Results 1 to 10 of about 6,885 (296)

Holography on local fields via Radon transform

open access: yesJournal of High Energy Physics, 2018
We define Radon transform and its inverse on the two-dimensional anti-de Sitter space over local fields using a novel construction through a quadratic equation over the local field.
Samrat Bhowmick, Koushik Ray
doaj   +2 more sources

Evaluating the impact of indoor aerosols on the performance of real-time radon sensors

open access: yesFrontiers in Built Environment
Radon, a naturally occurring radioactive gas, poses a significant health risk by accumulating in buildings and potentially leading to lung cancer. Depending on building construction and geographical location, radon levels can vary substantially both ...
Joan F. Rey   +4 more
doaj   +1 more source

Low Complexity Keystone Transform and Radon Fourier Transform Utilizing Chirp-Z Transform

open access: yesIEEE Access, 2020
Keystone Transform (KT) and Radon Fourier Transform (RFT) are two popular methods proposed to overcome range migration in radars. A major concern in these methods is the computational complexity for real time operations.
Onur Culha, Yalcin Tanik
doaj   +1 more source

Generalized Radon Transform

open access: yesRocky Mountain Journal of Mathematics, 2006
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

Finite Radon Transform as Subcarriers Mapping Technique for OFDM System

open access: yesJournal of Communications Software and Systems, 2022
Radon Transform (RT) becomes a mathematical basis for solving computerized tomography, and finds application in medical imaging and image processing. Finite groups represent digital images; the Finite Radon Transform (FRAT) is then applied.
Khalid G Samarah
doaj   +1 more source

Isometry property and inversion of a spherical mean Radon transform with centers on a hyperplane

open access: yesAIP Advances
The spherical mean Radon transform maps a suitable function f to the integral of f over a sphere. This transform is used in photoacoustic tomography based on the wave equation.
Jeongmin Kim, Sunghwan Moon
doaj   +1 more source

Radon spectrogram-based approach for automatic IFs separation

open access: yesEURASIP Journal on Advances in Signal Processing, 2020
The separation of overlapping components is a well-known and difficult problem in multicomponent signals analysis and it is shared by applications dealing with radar, biosonar, seismic, and audio signals.
Vittoria Bruni   +2 more
doaj   +1 more source

Sparse Parabolic Radon Transform with Nonconvex Mixed Regularization for Multiple Attenuation

open access: yesApplied Sciences, 2023
The existence of multiple reflections brings difficulty to seismic data processing and interpretation in seismic reflection exploration. Parabolic Radon transform is widely used in multiple attenuation because it is easily implemented, highly robust and ...
Qiuying Wu   +3 more
doaj   +1 more source

ROBUST AUTOMATIC VISUAL METHOD FOR DETERMINING FACIAL ANGLES FROM PROFILE VIEW IMAGES

open access: yesMedia, Culture and Public Relations, 2019
A analysis of human facial images has become increasingly important due to its numerous applications. In this regards, extracting facial parameter is vital and various studies have been done in this field. Hence in our proposed work, first time up to our
Shanmugasundaram Singaravelan   +1 more
doaj   +1 more source

On the representation of the Radon-Kipriyanov transform by the Riesz potential

open access: yesСовременная математика: Фундаментальные направления
In this paper, a representation of the Radon-Kipriyanov transform by the classical Riesz potential is obtained. Based on the application of the Radon-Kipriyanov transform to a singular partial differential operator, a formula for transformation of a ...
L. N. Lyakhov   +2 more
doaj   +1 more source

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