Variable length decoding of motion vectors

Details Variable length decoding of motion vectors Variable length decoding of motion vectors

1995-03-15

1997-09-23

Au, Amelia

Television

Image signal processing circuitry specific to television

Motion vector generation

H04N 732

Patent

active

056710240

ABSTRACT:
Motion vector decoding apparatus and method for converting a variable length of a motion vector into an original one using a difference component of the motion vector. The motion vector decoding apparatus comprises an X-axis motion vector component decoder for decoding an X-axis component of the motion vector in response to first and second X-axis motion vector difference components, and a Y-axis motion vector component decoder for decoding a Y-axis component of the motion vector in response to first and second Y-axis motion vector difference components. According to the present invention, a compressed video signal can be restored rapidly and accurately in a variable length decoder.

REFERENCES:
patent: 5298991 (1994-03-01), Yagasaki et al.
patent: 5337085 (1994-08-01), Lee et al.
patent: 5428396 (1995-06-01), Yagasaki et al.
patent: 5467136 (1995-11-01), Odaka et al.
patent: 5528238 (1996-06-01), Nickerson

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