Patent ID: 6037990
Filing Date: 2000-03-14
Classification: H04N

Abstract:
A video signal processor comprising:input means for receiving an input signal, said input signal being one of a first signal and a second signal, said first signal having an interlaced scanning format and said second signal being converted from a progressive scanning format;signal discriminating means for determining whether said input signal comprises said first signal or said second signal;intra-field generating means for generating an intra-field interpolation signal from said input signal;inter-field generating means for generating an inter-field interpolation signal by one field;delay means for delaying said inter-field interpolation signal from said input signal;motion detecting means for detecting a motion of an image from said input signal and said delayed inter-field interpolation signal and for generating a motion detecting signal; andinterpolation generating means for generating an interpolation signal,wherein, responsive to said signal discriminating means determining that said input signal comprises said first signal, said interpolation generating means generates said interpolation signal by adaptively mixing said intra-field interpolation signal and said inter-field interpolation signal in accordance with said motion detection signal, andwherein, responsive to said signal discriminating means determining that said input signal comprises said second signal, said interpolation generating means generates said interpolation signal by selectively outputting said second signal or by outputting said delayed inter-field interpolation signal.