Patent ID: 6996279
Filing Date: 2006-02-07
Classification: H04N,Y10S

Abstract:
1. A method of storing data items in a memory, the method comprising the steps of: dividing each data item into successive data pieces of decreasing significance; storing the data pieces in respective parts of the memory; and when applying a data piece to the memory in case all candidate memory parts are assigned to other data pieces; if the significance of the applied data piece is lower than the lowest significance of the other data pieces, discarding the applied data piece; and if the significance of the applied data piece is higher than the lowest significance of the other data pieces, storing the applied data piece in one of the candidate memory parts at expense of a given other data piece which has a lower significance than the significance of the applied data piece, wherein the significance of each data piece is based on a total or absolute distortion of the data item at that data piece.