Rapid development and wide use of Internet, and transmitting information faces a big challenge of security. Hence, for transmission of an information people need a safe and secured way. Digital watermarking is a technique of data hiding, which provide security to the data. Detection and prevention of video tampering and to distinguish it from common video processing operations, such as noise, and increase brightness, recompression using a practical watermarking scheme to authenticate real-time digital video is important. Our method can be easily configured to adjust robustness, transparency, and the system capacity according to the specific application. In addition, content-based cryptography increases the security of the system. This paper presents a critical review on various techniques. In addition, it introduce the main key performance indicators which involve robustness ,capacity, speed, fidelity ,imperceptibility and computational complexity.
Vijayashri Dangale : Department of Computer Science and Engineering
Nuva College of Engineering and Technology, Nagpur, India
Anil Warbhe : Department of Computer Science and Engineering
Nuva College of Engineering and Technology, Nagpur, India
Shyam Dubey : Department of Computer Science and Engineering
Nuva College of Engineering and Technology, Nagpur, India
Watermarking image authentication
copyright protection
Multimedia security
This paper reviews basic watermarking techniques as applied to different media types. Watermarking is an important technique that has the potential of incorporating an embedding process and preventing easy separation of watermark from content. It also has an enabling technology for a number of applications which imposes different requirements on the watermarking system. Owing to these strengths, digital watermarking is suggested as the ultimate solution to protect digital properties from piracy and copyright infringement .The use of watermarking related consists of digital rights management systems, remote sensing applications and video surveillance, digital insurance claim evidence and trusted cameras. In security monitoring, watermark is used to make sure that all video inputs are from authorized sources. A watermark which describes the work is sometimes used in these applications. It is important that the description of the
file is unique and hard to obtain by an attacker.
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