Decoder for decoding still pictures data and data on which data

Details Decoder for decoding still pictures data and data on which data Decoder for decoding still pictures data and data on which data

1995-09-27

1997-07-22

Tran, Thai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 70, 386111, 386112, 386126, H04N 594, H04N 5781

Patent

active

056510870

ABSTRACT:
In a picture data reproducing apparatus, a data dropout from a disc such as a CD-DA can be avoided. In a still picture data reproducing apparatus for reproducing a recording medium on which both of still picture data having at least variable data length, and data length information corresponding to the still picture data have been recorded, this reproducing apparatus is characterized by including: a reader for reading out both of the still picture data and the data length information corresponding to the still picture data from the recording medium; a decoder for decoding the still picture data and also the data length information corresponding to the still picture data, which are read out by the reader; a counter for counting a data length of the still picture data decoded by the decoder; a comparator for comparing the data length information decoded by the decoder with the data length counted by the counter; and a controller for making such a judgement that the data is dropped out by way of the comparator when the data length information decoded by the decoder is not coincident with the data length of the still picture data counted by the counter, and for controlling the reader to again read out the same still image data.

REFERENCES:
patent: 5170264 (1992-12-01), Saito et al.
patent: 5177619 (1993-01-01), Sato
Video-Rate Image Correlation Process J.J. Pearson et al., SPIE, vol. 119, Application of Digital Image Processing, (IOCC 1977) (month not available).
Motion-Compensated Television Coding: Part I, A.N. Netravali et al., BSTJ, vol. 58, No. 3, Mar. 1979.
Motion Estimation and Its Application to HDTV Transmission and Up-Conversion Using DATV, G.A. Thomas, SMPTE Journal, Dec. 1990.

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