Video coding and video decoding apparatus for changing a resolut

Details Video coding and video decoding apparatus for changing a resolut Video coding and video decoding apparatus for changing a resolut

1998-04-30

2000-11-28

Lee, Young

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

H04N 712

Patent

active

061544957

ABSTRACT:
A video encoding apparatus is provided with a resolution converting section, an encoding section, and a transmitting section. The resolution converting section enlarges or reduces a binary picture which represents the shape of an object. The encoding section encodes a binary picture reduced by the resolution converting section. The reduction ratio used by the resolution converting section is encoded, and the transmitting section transmits this encoded reduction ratio along with encoded data on the binary picture. The amount of encoded data produced from the encoding section is controlled by changing the enlargement/reduction ratio used by the resolution converting section.

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A.K. Jain. "Fundamentals of Digital Image Processing", Prentice Hall, Chapter 11, Section 11.9, (pp. 548-551), 1989.

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