Dr. Tohru Takahashi Profile

Dr. Tohru Takahashi

Assistant Professor at Oita Natl College of Techn

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Publications (6)

Proceedings Article | 5 September 2002 Paper

Global wavefront reconstruction algorithm from its image in the focal plane and Shack-Hartmann sensor images

Toshiro Fujisaki, Takahiro Maeyama, Hiroaki Takajo, Tohru Takahashi

Proceedings Volume 4926, (2002) https://doi.org/10.1117/12.481698

KEYWORDS: Wavefronts, Image sensors, Sensors, Wavefront sensors, Reconstruction algorithms, Photodetectors, Fourier transforms, Wavefront reconstruction, Algorithm development, Zernike polynomials

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Proceedings Article | 8 May 2001 Paper

Improvement of the iterative Fourier transform algorithm for phase retrieval

Hiroaki Takajo, Katsuhiko Itoh, Tohru Takahashi

Proceedings Volume 4416, (2001) https://doi.org/10.1117/12.427087

KEYWORDS: Neodymium, Fourier transforms, Phase retrieval, Computer simulations, Reconstruction algorithms, X-ray astronomy, Detection and tracking algorithms, Algorithm development, Inverse problems, Wavefront sensors

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SPIE Journal Paper | 1 November 1999

Global wavefront reconstruction from its intensity distribution in the focal plane and Shack-Hartmann sensor images

Tohru Takahashi, Hiroaki Takajo

OE, Vol. 38, Issue 11, (November 1999) https://doi.org/10.1117/12.10.1117/1.602285

KEYWORDS: Wavefronts, Sensors, Wavefront sensors, Image sensors, Reconstruction algorithms, Phase retrieval, Phase shifts, System on a chip, Americium, Wavefront reconstruction

Proceedings Article | 19 July 1999 Paper

Image reconstruction from its Fourier modulus

Hiroaki Takajo, Tohru Takahashi

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354782

KEYWORDS: Reconstruction algorithms, Image restoration, Fourier transforms, Computer simulations, Positive feedback, Curium, Detection and tracking algorithms

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Proceedings Article | 7 May 1999 Paper

Global wavefront reconstruction from its image in focal plane and Shack-Hartmann sensor images

Tohru Takahashi, Hiroaki Takajo

Proceedings Volume 3740, (1999) https://doi.org/10.1117/12.347789

KEYWORDS: Image sensors, Sensors, Wavefronts, Wavefront sensors, Phase retrieval, Reconstruction algorithms, Wavefront reconstruction, Computer simulations, Information operations, Image retrieval

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Showing 5 of 6 publications

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