Patent ID: 7143351
Filing Date: 2006-11-28
Classification: H04N

Abstract:
1. An image display device for playing back and displaying decoded binary image data comprising: a decoding unit decoding the binary image data to obtain said decoded binary image data; time interval calculating means for calculating a time interval which is an amount of time between a first frame and a second frame of the decoded binary image data; a display time storing unit for storing the time interval calculated by the time interval calculating means; image judging means for judging whether a third frame is a moving image or a static image based on the time interval stored in the display time storing unit; sub-picture combining means for combining a sub-picture with the third frame depending on the judgment by said image judging means; and displaying means for displaying the third frame when said image judging means judges the third frame to be a moving image, said sub-picture combining means combines the sub-picture with a frame that follows the third frame, while when said image judging means judges the third frame to be a static image, said sub-picture combining means combines the sub-picture with the third frame.