A video signal transfer system including an imaging apparatus for capturing an object to be imaged and generating a consecutive plurality of picture data forming a moving image, selecting from the plurality of picture data picture data positioned in advance at predetermined intervals to generate a plurality of lines (series) of video signals, and transmitting the plurality of systems of video signal, and a signal processing apparatus having a plurality of signal processing circuits, outputting the plurality of lines of video signals received from the imaging apparatus to the plurality of signal processing circuits, and making them process the signals in parallel.