IMAGE DATA VARIABLE LENGTH CODING AND DECODING METHOD AND DEVICE

摘要

A method of variable length coding/decoding of image data and an apparatus thereof can vary the length of an escape sequence during variable length coding to thereby reduce the amount of transmitted data. The method of variable length coding/decoding includes the steps of loading an initial potential maximum run length; determining a number of bits necessary to express the potential maximum run length; coding a run length using the necessary number of bits and decreasing the potential maximum run length by an amount equal to the previously coded run length to arrive at a new potential maximum run length until an end of a block to be encoded has been reached.