Adaptive coding and decoding of frames and fields of video

CAFC
  • US 5,227,878 A
  • Filed: 11/15/1991
  • Issued: 07/13/1993
  • Est. Priority Date: 11/15/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. An apparatus for encoding digital video signals, comprising:

  • a means for receiving a digital video input signal comprising a succession of digital representations related to picture elements making up at least one frame of a video image, the frame comprising a plurality of interlaced fields;

    a means for coding groups of digital representations related to frames of picture elements;

    a means for coding groups of digital representations related to interlaced fields in the frames; and

    a means responsive to the digital video input signal for producing a field frame coding type signal which directs a selected one, but not both, of the frame coding means or the field coding means to code the digital video input signal.

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