Digital image data processing apparatus and method

Details Digital image data processing apparatus and method Digital image data processing apparatus and method

1996-01-30

1999-02-02

Tran, Thai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386124, H04N 576

Patent

active

058676295

ABSTRACT:
A digital image data processing apparatus has a preprocessing apparatus for preprocessing the digital video data before recording and a post-processing apparatus for post-processing the digital video data after recording. The preprocessor receives a main channel signal and a sub channel signal, compresses these signals and concatenate into a single channel image data in which the signal position does not change each field for coding by a coder. Image deterioration during reproduction is prevented by a post-processor processing the image data decoded by a decoder by reversing the process applied by the preprocessor.

REFERENCES:
patent: 4862292 (1989-08-01), Enari et al.
patent: 5245427 (1993-09-01), Kunihiro
Draft SMPTE Standard For Television (4:2:2:4) and 2*(4:2:2) Bit-serial Digital Interface for Progressive 483 Active Line Scanning Systems, Aug. 23/1, 1994.
"Proposed SMPTE Standard for Television Digital Recording 19-mm Type D-1 Composite Format Helical Data and Control Records," SMPTE Journal pp. 203-221, Mar. 1992.
"SMPTE Standard for Television Digital Recording 19-mm Type D-2 Composite Format Helical Data and Control Records," SMPTE Journal, pp. 1165-1174, Dec. 1993.
"Proposed SMPTE Standard for Television Digital Recording 1/2 in Type D-3 Composite Format 525/60," SMPTE Journal, pp. 561-581, Jun. 1993.
Recommendation ITU-R.601, 1982.
English Abstract of Japanese Laid-Open Publication H2-14468, Jan. 1990.

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