The demand of security is getting higher in these days due to easy reproduction of digitally created multimedia data. Digital watermark is the emerging technique to embed secret i...
Recently, a novel image scrambling (i.e., encryption) scheme without bandwidth expansion was proposed based on two-dimensional (2-D) discrete prolate spheroidal sequences (DPSS). ...
The past decade has witnessed a rapid proliferation of video cameras in all walks of life and has resulted in a tremendous explosion of video content. Several applications such as ...
Pavan K. Turaga, Rama Chellappa, V. S. Subrahmania...
Abstract— Today electronic messaging services are indispensable to individuals and organizations. If a message contains sensitive information, the integrity and confidentiality ...
Abstract—Camera networks are used for a variety of applications including surveillance, traffic monitoring or elderly care. The shift from analog towards fully digitized systems...