Device and method for processing a digital video

The present invention provides a device for processing a digital video, wherein the device comprises a video analyzing unit configured to segment multimedia data of an input digital video to audial data and a plurality of video segments, and determine a video content information for each video segment by analyzing the audial data and frames of the video segment; a determination unit configured to detect at least one surface in a video segment, and select an advertisement image from a database for the detected surface, based on a semantic similarity between meta-data of the advertisement image and the determined video content information of the corresponding video segment; and a processing unit configured to generate an output video, by embedding the selected advertisement image from the database on the detected surface.