Digital video signal reproducing apparatus

Details Digital video signal reproducing apparatus Digital video signal reproducing apparatus

1994-03-15

1994-12-06

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358339, 358340, H04N 576

Patent

active

053716035

ABSTRACT:
A digital video signal reproducing apparatus is arranged such that when a low frequency component of a reproduced signal is extracted, the reproduced signal forms a reproduced image plane. When a low frequency component of a reproduced signal is extracted but a high frequency component thereof is not extracted, the low frequency component thus extracted is compared with a low frequency component of a previously or subsequently reproduced signal. If the two low frequency components are substantially equal to each other, the reproduced signal is concealed to form a reproduced image plane, and if not substantially equal to each other, the reproduced signal forms a reproduced image plane without being concealed.

REFERENCES:
patent: 4686584 (1987-08-01), Kojima et al.
patent: 4706132 (1987-11-01), Takayama et al.
patent: 5073821 (1991-12-01), Juri
patent: 5109451 (1992-04-01), Aono et al.

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