Fractional quaternion cosine transform and its application in color image copy-move forgery detection
Sign Up to like & getrecommendations! Published in 2018 at "Multimedia Tools and Applications"
DOI: 10.1007/s11042-018-6595-z
Abstract: In this paper, fractional quaternion cosine transforms (FrQCT) is proposed to generalize the conventional fractional cosine transforms (FrCT) to quaternion signal processing in a holistic manner. Firstly, the new transform FrQCT is defined and the… read more here.
Keywords: cosine; fractional quaternion; forgery detection; quaternion cosine ... See more keywords
Focusing properties of radially polarized Bessel-like beam with radial cosine phase wavefront by a high numerical aperture objective
Sign Up to like & getrecommendations! Published in 2017 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-017-1050-3
Abstract: By the use of the vector diffraction theory, the focusing properties of radially polarized Bessel-like beam with radial cosine wave front phase through a high numerical-aperture (NA) lens are investigated theoretically and numerically in this… read more here.
Keywords: phase; cosine; focusing properties; numerical aperture ... See more keywords
FEM Modeling of Extrusion of Square Billet to Square Product Through Cosine Dies
Sign Up to like & getrecommendations! Published in 2017 at "Journal of The Institution of Engineers (India): Series C"
DOI: 10.1007/s40032-016-0245-x
Abstract: The die profile plays an important role in reduction of extrusion load, evolution of uniform micro-structure and overall improvement of surface integrity of reproduct. In the present investigation, a numerical FEM approach has been carried… read more here.
Keywords: cosine; fem modeling; extrusion square; square billet ... See more keywords
Discrete cosine single-pixel microscopic compressive imaging via fast binary modulation
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DOI: 10.1016/j.optcom.2019.124512
Abstract: Abstract Single-pixel imaging technology has significant imaging advantages in the invisible wavelength and low light environment. Considering the energy compressive characteristic of discrete cosine spectrum, a single-pixel microscopic compressive imaging method based on the two-dimensional… read more here.
Keywords: pixel microscopic; single pixel; discrete cosine; cosine ... See more keywords
Robust Corner Finding Based on Multi-Scale K-Cosine Angle Detection
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DOI: 10.1109/access.2020.2984566
Abstract: Corner is widely utilized in computer vision and image processing. As a representative contour-based corner detection algorithm, RJ detector is first proposed to use the K-cosine to estimate curvature of digital curves for corner finding.… read more here.
Keywords: multi scale; corner; robust corner; corner finding ... See more keywords
Radio Frequency Fingerprint Identification Based on Logarithmic Power Cosine Spectrum
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3194124
Abstract: With the development of new Internet of Things (IoT) applications, such as unmanned ground vehicle (UGV), unmanned aerial vehicle (UAV), and unmanned surface vessel (USV), the security of wireless device identification is getting more and… read more here.
Keywords: frequency; identification; power; radio frequency ... See more keywords
Exponential Hyperbolic Cosine Robust Adaptive Filters for Audio Signal Processing
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Signal Processing Letters"
DOI: 10.1109/lsp.2021.3093862
Abstract: In recent years, correntropy-based algorithms which include maximum correntropy criterion (MCC), generalized MCC (GMCC), kernel MCC (KMCC) and hyperbolic cosine function-based algorithms such as hyperbolic cosine adaptive filter (HCAF), logarithmic HCAF (LHCAF), least lncosh (Llncosh)… read more here.
Keywords: hyperbolic cosine; ehcaf; exponential hyperbolic; signal processing ... See more keywords
Total cosine R‐to‐T for predicting ventricular arrhythmic and mortality outcomes: A systematic review and meta‐analysis
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Noninvasive Electrocardiology"
DOI: 10.1111/anec.12495
Abstract: The total cosine R‐to‐T (TCRT), a vectorcardiographic marker reflecting the spatial difference between the depolarization and repolarization wavefronts, has been used to predict ventricular tachycardia/fibrillation (VT/VF) and sudden cardiac death (SCD) in different clinical settings.… read more here.
Keywords: cosine; ventricular arrhythmic; predicting ventricular; arrhythmic mortality ... See more keywords
Scintillation and BER analysis of cosine and cosine-hyperbolic-Gaussian beams in turbulent ocean.
Sign Up to like & getrecommendations! Published in 2021 at "Applied optics"
DOI: 10.1364/ao.428840
Abstract: Effects of source beam, link, and oceanic turbulence parameters on the scintillation index and bit error rate (BER) performance of cosine (cos) and cosine-hyperbolic (cosh) Gaussian light beams have been investigated in order to improve… read more here.
Keywords: scintillation; oceanic turbulence; cosine hyperbolic; ber ... See more keywords
Cosine K-Nearest Neighbor in Milkfish Eye Classification
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Intelligent Engineering and Systems"
DOI: 10.22266/ijies2020.0630.02
Abstract: K-Nearest Neighbors (K-NN) classification method gains refined version proposed by the researcher. The refinement aims to solve noise sensitive when using small K, and irrelevant class as classification result when using large K. The problem… read more here.
Keywords: nearest neighbor; cosine; classification; milkfish eye ... See more keywords