Method for specifying a video window's boundary coordinates to p

Details Method for specifying a video window's boundary coordinates to p Method for specifying a video window's boundary coordinates to p

1994-05-26

1996-09-17

Hjerpe, Richard

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345202, 395157, G09G 514

Patent

active

055572987

ABSTRACT:
A method for specifying a video window's boundary coordinates directly from a multi-color video signal to separate the signals high and low variance components. The method converts the analog multi-color video signal into respective color sequences of digital frames and transforms them into another sequence of digital frames that represent the intensity of the multi-color video signal. The method generates difference frames between successive transformed intensity frames and computes a row activity measure and a column activity measure from at least one of the difference frames. The video window's approximate boundary coordinates are determined from said row and column activity measures.

REFERENCES:
patent: 4670752 (1987-06-01), Marcoux
patent: 4769636 (1988-09-01), Iwami et al.
patent: 4789961 (1988-12-01), Tindall
patent: 5475812 (1995-12-01), Corona et al.
Edwin J. Krocker "Challenges in Full-Motion Video/Audio for Personal Computers" in SMPTE Journal Jan. 1993 vol. 102 pp. 24-31.

Affiliated with

Also associated with

Rating

Method for specifying a video window's boundary coordinates to p does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for specifying a video window's boundary coordinates to p, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for specifying a video window's boundary coordinates to p will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-416411