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A digital watermark is a kind of marker covertly embedded in a noise-tolerant signal such as audio, video or image data. [1] It is typically used to identify ownership of the copyright of such a signal. Digital watermarking is the process of hiding digital information in a carrier signal; the hidden information should, [2] but does not need to ...
Watermark (data file) A watermark stored in a data file refers to a method for ensuring data integrity which combines aspects of data hashing and digital watermarking. Both are useful for tamper detection, though each has its own advantages and disadvantages.
Watermark. A watermark is an identifying image or pattern in paper that appears as various shades of lightness/darkness when viewed by transmitted light (or when viewed by reflected light, atop a dark background), caused by thickness or density variations in the paper. [1] Watermarks have been used on postage stamps, currency, and other ...
Audio watermark. An audio watermark is a unique electronic identifier embedded in an audio signal, typically used to identify ownership of copyright. It is similar to a watermark on a photograph. Digital watermarking is the process of embedding information into a signal (e.g. audio, video or pictures) in a way that is difficult to remove.
Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and copiers produce on every printed page that identifies the specific device that was used ...
Civolution is a provider of technology and services for identifying, managing, and monetizing audio and video media content. The company offers a portfolio of proprietary and patented digital watermarking (audio and video) and digital audio and video fingerprinting technology for media protection: forensic tracking of media assets in pre-release, digital cinema, pay TV and online; media ...
Pages in category "Digital watermarking". The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes . Digital watermarking.
The Digital Watermarking Alliance is a group of like-minded companies that share a common interest in furthering the adoption of digital watermarking. The mission of the Digital Watermarking Alliance is: "to create awareness and promote the value of digital watermarking to content owners, industry, policy makers, and consumers."
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