A video signal processing method for use in magnifying and reducing an image by interpolating a scanning line within a field when an interlaced original video signal is magnified or reduced by a factor of m/n (m, n are natural numbers), wherein origins of an odd field and an even field for magnifying...http://www.google.fr/patents/US5283651?utm_source=gb-gplus-shareBrevet US5283651 - Method for magnifying and reducing an image
