Patent ID: 6256451
Filing Date: 2001-07-03
Classification: G06T,G11B,H04N

Abstract:
An apparatus for editing input video data of sequential GOPs (Group of Pictures) coded according to MPEG (Moving Picture Experts Group) standard, wherein the edition is conducted at least at a first edition point and a second edition point of the input video data, the second edition point coming after the first edition point on time-axis, the apparatus comprising:a decoder, in the case where the first edition point is located in the midway of a first GOP, to decode at least a first data portion of the first GOP, the first data portion ranging from the head of the first GOP to the first edition point, and a first entire data of a second GOP followed by the first GOP, while in the case where the second edition point is located in the midway of a third GOP that comes after the first GOP on the time-axis, to decode at least a second data portion of the third GOP, the second data portion ranging from the second edition point to the end of the third GOP, and a second entire data of a fourth GOP that follows the third GOP, the sequential GOPs being constituted by at least the first, second, third and fourth GOPs;an encoder to encode the decoded first entire data and first data portion, and the decoded second data portion and second entire data, thus forming a fifth GOP and a sixth GOP, respectively, the sixth GOP following the fifth GOP; andmeans for putting the fifth and sixth GOPs into the sequential GOPs, thus a data portion, of the input video data, that ranges from the first edition point to the second edition point, being removed from the input video data.