Matrix Conversion for Improvement of Vertical-Temporal Resolution in Letter-Box Wide-Aspect TV

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: SMPTE J
Volume: 100, No. 2, pp. 104–110
Abstract: This article presents a study of a letter-box method for wide-aspect TV; top and bottom bars are used for improving vertical-temporal resolution. The authors propose a new method for separating and combining augmentation signals, in which block processing using a matrix operation is adopted and original proscanned images can be completely reproduced at receivers. The new method is implemented in basic hardware. As a result, the augmentation signals allow proscanned images to be completely recovered in wide TV receivers without significant aliasing occurring in current receivers. Even if the signals have only low-frequency components, dynamic characteristics are sufficiently improved.
Publication Date: 1991-02-01
DOI: 10.5594/J02519
ISSN: Print: 0036-1682
Link: https://doi.org/10.5594/J02519
Author(s): N. SuzukiCentral Research Laboratory, Hitachi, Ltd., Tokyo, Japan.
M. KageyamaCentral Research Laboratory, Hitachi, Ltd., Tokyo, Japan.
K. IshikuraCentral Research Laboratory, Hitachi, Ltd., Tokyo, Japan.
Y. HiranoCentral Research Laboratory, Hitachi, Ltd., Tokyo, Japan.
H. YoshigiCentral Research Laboratory, Hitachi, Ltd., Tokyo, Japan.
T. FukinukiCentral Research Laboratory, Hitachi, Ltd., Tokyo, Japan.
Copyright: © 1991 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

Experiments on Proposed Extended-Definition TV with Full NTSC Compatibility [Active]
A Progress Report on Improved NTSC [Active]
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11. Malvar H. S. , “Optimal pre- and post-filtering in noisy sampled data systems,” Ph.D. dissertation, Dept. Elec. Eng. Comput. Sci., Massachusetts Inst. Technol. , Cambridge , Aug. 1986 . EXTERNAL
12. Fukinuki T. , “A Study on the Transmission of Augmentation Signals in Wide-Aspect EDTV,” (in Japanese), ITEJ Tech. Rep. , 13 : 43 – 48 , Sept. 1989 . EXTERNAL
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15. Suzuki N. Ishikura K. Kageyama M. , “A Study on Scanning-Line Conversion,” (in Japanese), ITEJ. , 44 : 774 – 778 , June 1990 . EXTERNAL
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N. Suzuki, M. Kageyama, K. Ishikura, Y. Hirano, H. Yoshigi, and T. Fukinuki; Matrix Conversion for Improvement of Vertical-Temporal Resolution in Letter-Box Wide-Aspect TV, SMPTE Journal ( Volume: 100, Issue: 2, February 1991); SMPTE, 1991. Available at https://doi.org/10.5594/J02519

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N. Suzuki, M. Kageyama, K. Ishikura, Y. Hirano, H. Yoshigi, and T. Fukinuki; Matrix Conversion for Improvement of Vertical-Temporal Resolution in Letter-Box Wide-Aspect TV, SMPTE Journal ( Volume: 100, Issue: 2, February 1991); SMPTE, 1991. Available at https://doi.org/10.5594/J02519

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<span class="citation">N. Suzuki, M. Kageyama, K. Ishikura, Y. Hirano, H. Yoshigi, and T. Fukinuki; <cite>Matrix Conversion for Improvement of Vertical-Temporal Resolution in Letter-Box Wide-Aspect TV</cite>, SMPTE Journal ( Volume: 100, Issue: 2, February 1991); SMPTE, 1991. Available at <a href="https://doi.org/10.5594/J02519" target="_blank" rel="noopener">https://doi.org/10.5594/J02519</a></span>

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N. Suzuki, M. Kageyama, K. Ishikura, Y. Hirano, H. Yoshigi, and T. Fukinuki; <cite id="bib-10-5594-j02519">Matrix Conversion for Improvement of Vertical-Temporal Resolution in Letter-Box Wide-Aspect TV</cite>, SMPTE Journal ( Volume: 100, Issue: 2, February 1991); SMPTE, 1991
<span class="doi">10.5594/J02519</span>
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Referenced By

Digital EDTV — An NTSC-Compatible Widescreen EDTV System Employing Digital Compression [Active]