A review of optical image encryption techniques

S Liu, C Guo, JT Sheridan - Optics & Laser Technology, 2014‏ - Elsevier
In this paper we review a number of optical image encryption techniques proposed in the
literature inspired by the architecture of the classic optical Double Random Phase Encoding …

Fractional Fourier transform as a signal processing tool: An overview of recent developments

E Sejdić, I Djurović, LJ Stanković - Signal Processing, 2011‏ - Elsevier
Fractional Fourier transform (FRFT) is a generalization of the Fourier transform, rediscovered
many times over the past 100 years. In this paper, we provide an overview of recent …

[کتاب][B] Modern signal processing

XD Zhang - 2022‏ - books.google.com
The book systematically introduces theories of frequently-used modern signal processing
methods and technologies, and focuses discussions on stochastic signal, parameter …

ECG-based machine-learning algorithms for heartbeat classification

S Aziz, S Ahmed, MS Alouini - Scientific reports, 2021‏ - nature.com
Electrocardiogram (ECG) signals represent the electrical activity of the human hearts and
consist of several waveforms (P, QRS, and T). The duration and shape of each waveform …

Maneuvering target detection via Radon-fractional Fourier transform-based long-time coherent integration

X Chen, J Guan, N Liu, Y He - IEEE transactions on signal …, 2014‏ - ieeexplore.ieee.org
Long-time coherent integration technique is one of the most important methods for the
improvement of radar detection ability of a weak maneuvering target, whereas the …

The fractional Fourier transform

HM Ozaktas, MA Kutay - 2001 European Control Conference …, 2001‏ - ieeexplore.ieee.org
A brief introduction to the fractional Fourier transform and its properties is given. Its relation
to phase-space representations (time-or space-frequency representations) and the concept …

[کتاب][B] Transforms and applications handbook

AD Poularikas, AM Grigoryan - 2018‏ - taylorfrancis.com
Updating the original, Transforms and Applications Handbook, Third Edition solidifies its
place as the complete resource on those mathematical transforms most frequently used by …

The discrete fractional Fourier transform

C Candan, MA Kutay… - IEEE Transactions on …, 2000‏ - ieeexplore.ieee.org
We propose and consolidate a definition of the discrete fractional Fourier transform that
generalizes the discrete Fourier transform (DFT) in the same sense that the continuous …

Detection and extraction of target with micromotion in spiky sea clutter via short-time fractional Fourier transform

X Chen, J Guan, Z Bao, Y He - IEEE Transactions on …, 2013‏ - ieeexplore.ieee.org
In order to effectively detect moving targets in heavy sea clutter, the micro-Doppler (mD)
effect is studied and an effective algorithm based on short-time fractional Fourier transform …

Short-time Fourier transform: two fundamental properties and an optimal implementation

L Durak, O Arikan - IEEE Transactions on Signal Processing, 2003‏ - ieeexplore.ieee.org
Shift and rotation invariance properties of linear time-frequency representations are
investigated. It is shown that among all linear time-frequency representations, only the short …