1. An apparatus for extracting the representative still images from Moving Picture Experts Group (MPEG) video, comprising: a video curve generation unit for calculating distances between adjacent frames of all intra frames of input video and generating a video curve that is a cumulative curve of the distances; a video curve division unit for dividing the video curve into a certain number of segments; a still image selection unit for selecting video images corresponding to certain points of the divided video curve as representative still images; and a video output unit for outputting the still images selected by the still image generation unit.