Search Results - "Tanaka, Ken’ichiro"
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Design of accurate formulas for approximating functions in weighted Hardy spaces by discrete energy minimization
Published in IMA journal of numerical analysis (16-10-2019)“…Abstract We propose a simple and effective method for designing approximation formulas for weighted analytic functions. We consider spaces of such functions…”
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Potential theoretic approach to design of accurate formulas for function approximation in symmetric weighted Hardy spaces
Published in IMA journal of numerical analysis (01-04-2017)Get full text
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A fast and accurate numerical method for symmetric Lévy processes based on the Fourier transform and sinc-Gauss sampling formula
Published in IMA journal of numerical analysis (01-07-2016)Get full text
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Function classes for successful DE-Sinc approximations
Published in Mathematics of computation (01-07-2009)“…The DE-Sinc formulas, resulting from a combination of the Sinc approximation formula with the double exponential (DE) transformation, provide a highly…”
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DE-Sinc methods have almost the same convergence property as SE-Sinc methods even for a family of functions fitting the SE-Sinc methods: Part I: definite integration and function approximation
Published in Numerische Mathematik (01-11-2013)“…In this paper, the theoretical convergence rate of the trapezoidal rule combined with the double-exponential (DE) transformation is given for a class of…”
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DE-Sinc methods have almost the same convergence property as SE-Sinc methods even for a family of functions fitting the SE-Sinc methods: Part II: indefinite integration
Published in Numerische Mathematik (01-11-2013)“…In this paper, the theoretical convergence rate of the Sinc indefinite integration combined with the double-exponential (DE) transformation is given for a…”
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Function classes for double exponential integration formulas
Published in Numerische Mathematik (01-02-2009)“…The double exponential (DE) formulas for numerical integration are known to be highly efficient, more efficient than the single exponential (SE) formulas in…”
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Maximum likelihood estimation of the Fisher–Bingham distribution via efficient calculation of its normalizing constant
Published in Statistics and computing (01-07-2021)“…This paper proposes an efficient numerical integration formula to compute the normalizing constant of Fisher–Bingham distributions. This formula uses a…”
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Complex-analytic approach to the sinc-Gauss sampling formula
Published in Japan journal of industrial and applied mathematics (01-06-2008)“…This paper is concerned with theoretical error estimates for a sampling formula with the sinc-Gaussian kernel. Qian et al. have recently given an error…”
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Convergence analysis of approximation formulas for analytic functions via duality for potential energy minimization
Published in Japan journal of industrial and applied mathematics (01-01-2024)“…We investigate the approximation formulas that were proposed by Tanaka & Sugihara (IMA J. Numer. Anal. 39(4):1957–1984, 2019), in weighted Hardy spaces, which…”
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Wavelet characterization of exponentially weighted Besov space with dominating mixed smoothness and its application to function approximation
Published in Journal of approximation theory (01-08-2024)“…Although numerous studies have focused on normal Besov spaces, limited studies have been conducted on exponentially weighted Besov spaces. Therefore, we define…”
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Generation of point sets by convex optimization for interpolation in reproducing kernel Hilbert spaces
Published in Numerical algorithms (01-07-2020)“…We propose algorithms to take point sets for kernel-based interpolation of functions in reproducing kernel Hilbert spaces (RKHSs) by convex optimization. We…”
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Blind Watermarking for 3-D Printed Objects by Locally Modifying Layer Thickness
Published in IEEE transactions on multimedia (01-11-2020)“…We propose a new blind watermarking algorithm for 3D printed objects that has applications in metadata embedding, robotic grasping, counterfeit prevention, and…”
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Affine transform representation for reducing calibration cost on absorption-based LWIR depth sensing
Published in Scientific reports (02-11-2024)“…Multispectral long-wave infrared (LWIR) ranging is a technique that estimates the distance to the object based on wavelength-dependent absorption of LWIR light…”
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Kernel-based interpolation at approximate Fekete points
Published in Numerical algorithms (01-05-2021)“…We construct approximate Fekete point sets for kernel-based interpolation by maximising the determinant of a kernel Gram matrix obtained via truncation of an…”
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Monte Carlo construction of cubature on Wiener space
Published in Japan journal of industrial and applied mathematics (01-05-2022)“…In this paper, we investigate application of mathematical optimization to construction of a cubature formula on Wiener space, which is a weak approximation…”
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Suppression of current collapse by hole injection from drain in a normally-off GaN-based hybrid-drain-embedded gate injection transistor
Published in Applied physics letters (19-10-2015)“…Current collapse is suppressed up to 800 V of drain voltage in our proposed device, Hybrid-Drain-embedded Gate Injection Transistor (HD-GIT), where an…”
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Eliminating Temporal Illumination Variations in Whisk-broom Hyperspectral Imaging
Published in International journal of computer vision (01-05-2022)“…We propose a method for eliminating the temporal illumination variations in whisk-broom (point-scan) hyperspectral imaging. Whisk-broom scanning is useful for…”
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Time-of-flight imaging in fog using multiple time-gated exposures
Published in Optics express (01-03-2021)“…We propose a time-of-flight measurement algorithm for depth and intensity that is robust to fog. The key idea of the algorithm is to compensate for the…”
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Blind 3D-Printing Watermarking Using Moment Alignment and Surface Norm Distribution
Published in IEEE transactions on multimedia (2021)“…The recent development of 3D printing technology has brought concerns about its potential misuse, such as in copyright infringement, and crimes. Although there…”
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