H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 5/262 (2006.01) G11B 27/28 (2006.01) H04N 5/14 (2006.01) H04N 7/01 (2006.01) H04N 7/26 (2006.01)
Patent
CA 2184074
Cuts in a video signal are detected by first measuring a correlation parameter between successive images; this can be the sum of the maximum peak heights for each of 16 to 100 or more blocks in a block-based phase correlation procedure. An averaged value of this correlation parameter is maintained and the current measurement of the correlation parameter is compared with the averaged value. The presence of a cut is inferred where the current measurement drops beneath, say, 50 % of the average value.
Selon l'invention, on peut détecter des coupures dans un signal vidéo en mesurant d'abord un paramètre de corrélation entre des images successives, lequel peut consister en la somme des hauteurs maximum des crêtes pour chacun des 16 à 100 blocs ou plus d'une procédure de corrélation de phase à base de blocs. On maintient une valeur moyenne de ce paramètre de corrélation et on la compare à la mesure courante du paramètre de corrélation. On déduit la présence d'une coupure lorsque la mesure courante tombe au-dessous, par exemple, de 50 % de la valeur moyenne.
Fetherstonhaugh & Co.
Snell & Wilcox Ltd.
LandOfFree
Video signal processing does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Video signal processing, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Video signal processing will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1607239