Patent ID: 8259807
Filing Date: 2012-09-04
Classification: H04N

Abstract:
1. A method of encoding a block of data, the method comprising: assigning a worth to a first plurality of data in the block of data based, at least in part, on a first algorithm; assigning a worth to a second plurality of data in the block of data based, at least in part, on a second algorithm, wherein the second plurality of data is lower in frequency than the first plurality of data, and wherein assigning a worth to the second plurality of data comprising assigning a worth to the second plurality of data based, at least in part, on a sum of non-zero data values of the second plurality of data; assigning a worth to the block of data based, at least in part, on the worth of the first plurality of data and the worth of the second plurality of data; comparing the worth of the block of data to a threshold value; and adjusting one or more data values of the block of data based on the comparison.