Layer encoding apparatus and layer decoding apparatus for input

Details Layer encoding apparatus and layer decoding apparatus for input Layer encoding apparatus and layer decoding apparatus for input

1993-10-28

1995-12-12

Kostak, Victor R.

Television

Bandwidth reduction system

Format type

348448, H04N 712

Patent

active

054754356

ABSTRACT:
In an encoder, an input picture of a non-interlace structure is sampled by down sampling to form an interlace picture, and the interlace picture is encoded. The encoded data are decoded to form an interlace decoded picture, and the interlace decoded picture is sampled by up sampling and utilized as a predictive picture upon encoding of the non-interlace input picture. In a decoder, a bit stream corresponding to an interlace picture of a low resolution is decoded into an interlace decoded picture. The interlace decoded picture is sampled by up sampling and is utilized as a predictive picture upon decoding of a bit stream corresponding to a non-interlace picture of a high resolution.

REFERENCES:
patent: 5128791 (1992-07-01), LeGall et al.
patent: 5337154 (1994-08-01), Dorricott et al.
Proposal for Test Model 2, Draft Revision 2, 19-Oct. 1992, pp. 37-46; 75-78; & 83-86.

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