Coding apparatus for moving object image

Details Coding apparatus for moving object image Coding apparatus for moving object image

1986-06-26

1987-08-25

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358105, 358136, 358167, 358183, 375 27, H04N 713

Patent

active

046896716

ABSTRACT:
A coding apparatus for a moving object image input signal such as a television signal detects an uncovered background area appearing upon movement of a moving object in the moving object image input signal and encodes an image signal corresponding to the uncovered background area according to intraframe correlation instead of interframe correlation. The coding apparatus includes a noise reduction circuit for decreasing a noise reduction level for the signal corresponding to the uncovered background area.

REFERENCES:
patent: 4307420 (1981-12-01), Ninomiya et al.
patent: 4460923 (1984-07-01), Hirano
patent: 4494144 (1985-01-01), Brown
patent: 4575756 (1986-03-01), Furukawa
patent: 4591907 (1986-05-01), Catros
patent: 4636862 (1987-01-01), Hatori
IEEE Transaction on Communication, vol. COM-33, No. 11, Nov. 1985.

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