Results 11 to 20 of about 10,422 (231)
Generalized Structure Functions and Multifractal Detrended Fluctuation Analysis Applied to Vegetation Index Time Series: An Arid Rangeland Study. [PDF]
Entropy (Basel), 2021 Estimates suggest that more than 70% of the world’s rangelands are degraded. The Normalized Difference Vegetation Index (NDVI) is commonly used by ecologists and agriculturalists to monitor vegetation and contribute to more sustainable rangeland ...
Sanz E +8 more
europepmc +2 more sources
Fintech Market efficiency: A Multifractal Detrended Fluctuation Analysis
Finance Research Letters, 2023 The efficiency of the Fintech market is still an unverified issue. We aim to investigate the Fintech market efficiency for four S & P Kensho Fintech indices using the multifractal detrended fluctuation analysis (MF-DFA) method. All indices except one are
K. Shrestha +2 more
semanticscholar +3 more sources
Multifractal detrended fluctuation analysis of temperature in Spain (1960–2019) [PDF]
Physica A: Statistical Mechanics and its Applications, 2021 In the last decades, an ever-growing number of studies are focusing on the extreme weather conditions related to the climate change. Some of them are based on multifractal approaches, such as the Multifractal Detrended Fluctuation Analysis (MF-DFA ...
Javier Gómez-Gómez +4 more
semanticscholar +5 more sources
Multifractal characterization of gold market: A multifractal detrended fluctuation analysis [PDF]
Physica A: Statistical Mechanics and its Applications, 2014 The multifractal detrended fluctuation analysis technique is employed to analyze the time series of gold consumer price index (CPI) and the market trend of three world's highest gold consuming countries, namely China, India and Turkey for the period: 1993-July 2013.
Provash Mali, Amitabha Mukhopadhyay
openaire +4 more sources
Detrended fluctuation analysis for fractals and multifractals in higher dimensions [PDF]
Physical Review E, 2006 One-dimensional detrended fluctuation analysis (1D DFA) and multifractal detrended fluctuation analysis (1D MF-DFA) are widely used in the scaling analysis of fractal and multifractal time series because of being accurate and easy to implement.
B. B. Mandelbrot +8 more
core +3 more sources
Fractal and Fractional, 2023 Xylella fastidiosa is a phytobacterium able to provoke severe diseases in many species. When it infects olive trees, it induces the olive quick decline syndrome that leads the tree to a rapid desiccation and then to the death.
Luciano Telesca +4 more
doaj +2 more sources
Multifractal Detrended Fluctuation Analysis of Temperature Reanalysis Data over Greece [PDF]
Atmosphere, 2019 The Multifractal Detrended Fluctuation Analysis (MF-DFA) is used to examine the scaling behavior and the multifractal characteristics of the mean daily temperature time series of the ERA-Interim reanalysis data for a domain centered over Greece.
Kostas Philippopoulos +4 more
doaj +3 more sources
Investment Management and Financial InnovationsThis paper investigates the multifractal behavior of the six largest African stock markets, including the Johannesburg, Casablanca, Botswana, Nigerian, Egyptian, and Regional Stock Exchanges.
Benbachir Soufiane
semanticscholar +2 more sources
From Accelerometer to Cognition: Hand Motion Can Reflect Effects of Cardiac Coherence on Cognitive Flexibility [PDF]
SensorsHand displacements during task-directed movements are not random, but exhibit fractal behavior. Wearable sensing e.g., accelerometer-derived hand movement fluctuations, could add a significant contribution to cognitive and behavioral sciences, by ...
Alix Bouni +3 more
doaj +2 more sources
Multifractal Detrended Fluctuation Analysis Combined with Allen–Cahn Equation for Image Segmentation
Fractal and FractionalThis study proposes a novel image segmentation method, MF-DFA combined with the Allen–Cahn equation (MF-AC-DFA). By utilizing the Allen–Cahn equation instead of the least squares method employed in traditional MF-DFA for fitting, the accuracy and ...
Minzhen Wang +5 more
doaj +2 more sources