摘要 |
Disclosed is an entropy coding method using an index mapping table, and an apparatus using the method. An image-decoding method comprises: a step of mapping an inputted codeword to a code number with reference to an inverse codeword mapping table, and calculating the mapped code number in a table index; and a step of updating the inverse mapping table based on the accumulated number of occurrences of the code number, the number of sequential occurrences of the code number, neighbor block encoding/decoding information, and/or threshold value information for updating the inverse index mapping table. According to the present invention, an index mapping table is realigned based on a certain condition, thereby improving encoding/decoding efficiency. |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE;KIM, JONG HO;KIM, HUI YONG;LIM, SUNG CHANG;LEE, HA HYUN;LEE, JIN HO;JEONG, SE YOON;CHOI, JIN SOO;KIM, JIN WOONG;AHN, CHIE TEUK |
发明人 |
KIM, JONG HO;KIM, HUI YONG;LIM, SUNG CHANG;LEE, HA HYUN;LEE, JIN HO;JEONG, SE YOON;CHOI, JIN SOO;KIM, JIN WOONG;AHN, CHIE TEUK |