Patent ID: 6370276
Filing Date: 2002-04-09
Classification: H04N

Abstract:
An image predictive decoding method for decoding a first coded frame obtained by coding an image, comprising:determining whether or not a second coded frame, which occurs before the first coded frame in a display order, includes image content data, said second coded frame including a flag indicating whether or not said second coded frame includes image content data, said determination being based upon an indication provided by said flag; generating a prediction image, by using, as a reference image, a reproduced image corresponding to the second coded frame when the second coded frame includes image content data, and when the second coded frame does not include image content data, by using as a reference image, a reproduced image corresponding to a third coded frame which includes image content data and occurs before the second coded frame in a display order; and decoding the first coded frame by predictive decoding using the generated prediction image.