Apparatus and method for providing plural pictures while searchi

Details Apparatus and method for providing plural pictures while searchi Apparatus and method for providing plural pictures while searchi

1993-09-22

1996-04-02

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

360 101, H04N 576, H04N 578

Patent

active

055045855

ABSTRACT:
A method and apparatus for reproducing pictures from a recording medium in search mode wherein each picture is recorded in the recording medium in the form of a coded signal. The coded signal is coded in either an intra-picture coding mode or an inter-picture coding mode. The coded signal of a picture coded in the intra-picture coding mode is an I-picture; the coded signal of a picture coded in the inter-picture coding mode with only forward prediction is a P-picture; and the coded signal of a picture coded in the inter-picture coding mode with bidirectional prediction is a B-picture. The pictures are reproduced from a read position on the recording medium. To provide an increased number of pictures in search mode, the read position is changed to a first read position, and an I-picture is immediately reproduced from the recording medium at the first read position. Then, at least one B-picture or one P-picture is immediately reproduced from the recording medium following the I-picture. Finally, the I-picture and the at least one B-picture or P-picture is decoded to provide an output signal for display.

REFERENCES:
patent: 5140437 (1992-08-01), Yonemitsu et al.
patent: 5305113 (1994-04-01), Iwamura et al.

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