INFORMATION HIDING TECHNOLOGY- A WATERMARKING

MEENA V. KAMBLE¹*
¹Vidyabharati Mahavidyalaya, Amravati, Department of computer Science, Amravati University, Amravati MS, India
* Corresponding Author : Kamblemeena365@gmail.com

Received : 03-12-2011     Accepted : 12-12-2011     Published : 30-12-2011
Volume : 3     Issue : 1       Pages : 37 - 41
Adv Comput Res 3.1 (2011):37-41

Keywords : sequrity, Digital watermarking, information Hiding, watermarking
Conflict of Interest : None declared

In this Paper, we are discussing about a security which is essential for today world .we briefly discuss the Digital watermarking and historical development of watermarking which is use as a one of the tool for hiding data/ information . We also introduce various data hiding terminologies used in current literature and attempt has clear distinction of them. Digital watermarking is the process of embedding information into a digital signal in a way that is difficult to remove. The signal may be audio, pictures or video. In visible watermarking, the information is visible in the picture or video. Typically, the information is text or a logo which identifies the owner of the media. The image on the right has a visible watermark. In invisible watermarking, information is added as digital data to audio, picture or video, but it cannot be perceived as such (although it may be possible to detect that some amount of information is hidden) The watermark may be intended for widespread use and is thus made easy to retrieve or it may be a form of Steganography where a party communicates a secret message embedded in the digital signal.

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