Image display unit

An image display unit comprising:

• an image insertion section inserting an interpolation frame image into an input video signal, the input video signal being a film image signal generated based on a cinema film or being an image signal which is captured by a digital cinematography camera and is equivalent to the film image signal;
• and
• a display section performing image display based on a video signal configured by inserting the interpolation frame image into the input video signal,
• wherein the image insertion section generates an optimized image as the interpolation frame image in which the insertion time period and the signal level are optimized to reproduce same display characteristics which is to be achieved in a projected image projected with the cinema film by a cinema projector, thereby to insert the optimized image into an insert position in the input video signal, the display characteristics being determined in accordance with vision persistence characteristics of human eyes, the insert position corresponding to a gap between frames of the cinema film.