Video signal processing apparatus

Details Video signal processing apparatus Video signal processing apparatus

H - Electricity

04

N

H04N 5/262 (2006.01) H04N 7/01 (2006.01)

Patent

CA 2106617

ABSTRACT A video signal processing apparatus is provided comprising an A/D converter for converting an analog video signal to a digital video signal, 3-dimensional scanning line interpolating means for outputting an original video signal and an interpolating signal which is interpolated scanning lines and is synchronized with the original video signal, magnification processing means, switching signal generating means for generating s switching signal corresponding to a vertical magnifying power, and switching means for switching between the original video signal and the interpolated video signal according to the switching signal and for outputting the switched signal. Magnification processing means comprises a first field memory for storing the original video signal, a second field memory for storing the interpolating video signal, a controller for programming the first and second field memories and for outputting the programmed vertical magnifying power to a switching signal generating means. According to the present invention, vertical picture quality of the magnification processed video signal is improved.

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