VIDEO ENCODING/DECODING METHOD

摘要

The present invention discloses a video encoding method. The method comprises the steps of firstly determining the code number (code num) corresponding to the code word to be encoded and transmitted; then calculating M and INFO based on the code number according to the rule that M is smaller than INFO, wherein M is the number of bits of the prefix code before the identifier code and N is the number of bits of the information code after the identifier code; finally determining the prefix code based on the number M and encoding with the prefix code, the identifier code and the information code. The invention further discloses a video decoding method corresponding to the above video coding method. According to the invention, the information bits account for larger proportion in the whole encoding data, thus increases the encoding efficiency and reduces the error rate of the prefix code. Therefore the present inventional entropy encoding method possesses a better anti-error performance compared to the UVLC entropy encoding method in which the number of bits is symmetric.