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１．ＭＰＥＧ－７起源多媒体信息的广泛应用提出了对其表达的新要求，人们需要能对多媒体信息的含义进行解释和对多媒体信息的内容给予规范描述。国际标准化组织ＩＳＯ／ＩＥＣ的运动图像专家组（ＭＰＥＧ继制订ＭＰＥＧ－１、ＭＰＥＧ－２、ＭＰＥＧ－４之后，从１９９８年１
1. The widespread application of multimedia information originated from MPEG-7 raises new requirements for its presentation. People need to be able to interpret the meaning of multimedia information and provide a standardized description of the content of multimedia information. International Organization for Standardization ISO / IEC Motion Picture Experts Group (MPEG following the development of MPEG-1, MPEG-2, MPEG-4, from 1998 1