Automatic generation of vector reference graticules

Details Automatic generation of vector reference graticules Automatic generation of vector reference graticules

1994-01-21

1995-10-03

Groody, James J.

Television

Monitoring, testing, or measuring

Monitor

348186, 348182, H04N 1700, H04N 1702

Patent

active

054556201

ABSTRACT:
A system for automatic generation of vector reference graticules for a vectorscope display acquires the active video portion of a video signal that includes a color bar test signal. The values for each color difference component at each reference color plateau for the acquired color bar test signal are averaged to provide horizontal and vertical displacement values for each reference color, including black. Graticule boxes are electronically generated and positioned for each reference color on a display according to the respective horizontal and vertical displacement values.

REFERENCES:
patent: 3850412 (1974-11-01), Olson
patent: 4758877 (1988-07-01), Slavin
patent: 4953017 (1990-08-01), Ivey et al.
patent: 5122863 (1992-06-01), Zortea

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