VIDEO-WATERMARKING METHOD AND APPARATUS, AND PROTECTION METHOD AND APPARATUS OF VIDEO CONTENTS USING VIDEO WATERMARKING

摘要

PROBLEM TO BE SOLVED: To provide a video-watermarking method and apparatus, and to provide a protection method and apparatus that use video watermarking.;SOLUTION: The video watermarking method includes a step of detecting a scene conversion of a video sequence, a step to decide an insertion strength of a watermark of a seen unit by calculating an image complexity of the scene by one or more frames of the detected scene, and a step to insert the watermark into the video sequence, according to the decided insertion strength.;COPYRIGHT: (C)2006,JPO&NCIPI