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This paper introduces a novel location and matching algorithm for rapid logo recognition in video advertisements. This work is distinguished by two major contributions. The first is a new pre-location algorithm to obtain logo prediction regions. The algorithm uses HSV color quantization method to get connected components of the video pictures, and then gains the logo prediction regions based on some...
MPEG-2 Transport Stream (TS) is the main transmission mode for digital TV programs. This paper provided a MPEG-2 TS authentication method which can authenticate the validity and integrity of digital television content, prevent the illegal attack. This method is based on digital signature theory and ASN.1 (Abstract Syntax Donation One) syntax. We defined a signature information packetization and transmission...
There are many solutions and standards about digital rights management (DRM) now. Almost all the solutions used cryptography and rights processing technologies to protect contents. Only legal users can decrypt and enjoy contents under the control of rights information, illegal users are prohibited. Rights processing technologies include rights expression languages (REL), binary encoding method, virtual...
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