Imperfect transmission of block-coded images often causes lost blocks. These blocks may contain very important information of image. In this paper a new error concealment scheme is...
Abstract. In this paper, we propose a practical real-time video watermarking scheme for downscaling attack. We embed watermark into an arbitrary size of a host video and extract it...
Kyung-Su Kim, Dong-Hyuck Im, Young-Ho Suh, Heung-K...
A central task in multimedia systems is image management (storage and retrieval). As information is disseminated across vast networks, such as the Internet, methods of locating au...
—In [1, 2, 3], we have introduced a robust and secure digital signature solution for multimedia content authentication, by integrating content feature extraction, error correctio...