A system and method for creating a high quality still image from a series of interlaced video fields of the type employing local motion detection between first and third fields of the series, merging the first and second fields in areas of no motion and performing spatial interpolation on the first field...http://www.google.fr/patents/US5579054?utm_source=gb-gplus-shareBrevet US5579054 - System and method for creating high-quality stills from interlaced video
System and method for creating high-quality stills from interlaced video