Dr. Naohisa Ohta Profile

Dr. Naohisa Ohta

PhD at Keio Univ

SPIE Involvement:

Author

Publications (3)

Proceedings Article | 4 November 1993 Paper

Media integration platform on superhigh-definition images: parallel digital signal processor approach

Sadayasu Ono, Naohisa Ohta, Tetsuro Fujii

Proceedings Volume 1976, (1993) https://doi.org/10.1117/12.161473

KEYWORDS: Image processing, Digital signal processing, Signal processing, Image compression, Telecommunications, Computing systems, Image resolution, LCDs, Human-machine interfaces, Image quality

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Proceedings Article | 1 November 1991 Paper

Superhigh-definition image processing on a parallel signal processing system

Tetsuro Fujii, Tomoko Sawabe, Naohisa Ohta, Sadayasu Ono

Proceedings Volume 1605, (1991) https://doi.org/10.1117/12.50240

KEYWORDS: Image processing, Personal digital assistants, Visual communications, Digital signal processing, Signal processing, Image compression, Fermium, Frequency modulation, Telecommunications, Parallel processing

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Proceedings Article | 1 September 1990 Paper

Source coding of super high definition images with discrete cosine transform

Mitsuru Nomura, Tetsuro Fujii, Naohisa Ohta

Proceedings Volume 1360, (1990) https://doi.org/10.1117/12.24270

KEYWORDS: Signal to noise ratio, Image compression, Quantization, Distortion, Visualization, Image resolution, Image quality, Image processing, Stochastic processes, Visual communications

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