| 摘要 |
PROBLEM TO BE SOLVED: To improve reliability of information with respect to motion by providing a space interpolation means, a time interpolation means and a motion-space correlation means and selecting a signal subject to space interpolation or a signal subject to time interpolation. SOLUTION: A received interlaced video signal Vin is fed to a space interpolation device 110, a time interpolation device 120 and a motion-space correlation device 130. The correlation device 130 receives the signal Vin to detect a motion correlation DM, a vertical correlation DV and a time-vertical correlation DT. A selector 140 compares the correlation DM with a prescribed constant TM, compares the vertical correlation DV with a prescribed constant T1 and compares the correlation DT with information T2 being a prescribed constant, and selects an output signal Is of the interpolation device 110 or an output signal It of the interpolation device 120 and provides an output of an interpolated signal Vout. The reliability is improved by using the motion and space correlation to interpolate the video signal timewise or interpolating the space in this way. |
