Image motion vector detecting method and motion vector coding me

Details Image motion vector detecting method and motion vector coding me Image motion vector detecting method and motion vector coding me

1994-05-31

1996-02-13

Britton, Howard W.

Television

Image signal processing circuitry specific to television

Motion vector generation

348402, 348398, H04N 750

Patent

active

054915236

ABSTRACT:
In a motion vector detection method for detecting motion vectors for respective blocks divided from an image frame, a motion vector is detected for a block of a luminance signal forming the image frame together with at least one chrominance signal, a reference motion vector is defined with respect to the corresponding block of the chrominance signal based on the motion vector detected, plural candidate motion vectors are set around the reference motion vector, the correlation between two blocks of adjacent frames is detected for each of the candidate motion vectors and a motion vector with the greatest correlation is defined as the motion vector of the chrominance signal. The present method is also applicable to the sub-band processing method of the moving image signal.

REFERENCES:
patent: 5006929 (1991-04-01), Barbero et al.
patent: 5134477 (1992-07-01), Knauer et al.
patent: 5347308 (1994-09-01), Wai

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