Apparatus and method for producing an output non-interlaced, progressive video component signal from an input interlaced video signal by mixing lines of the interlaced video component signal with lines of a calculated signal. A preferred embodiment adaptively combines three interpolation techniques....http://www.google.de/patents/US5936676?utm_source=gb-gplus-sharePatent US5936676 - Apparatus and method for line interpolating an interlaced video signal
