Search results
Results From The WOW.Com Content Network
Since a digital copy of data is the same as the original, digital watermarking is a passive protection tool. It just marks data, but does not degrade it or control access to the data. One application of digital watermarking is source tracking. A watermark is embedded into a digital signal at each point of distribution.
A Machine Identification Code ( MIC ), also known as printer steganography, yellow dots, tracking dots or secret dots, is a digital watermark which certain color laser printers and copiers leave on every printed page, allowing identification of the device which was used to print a document and giving clues to the originator.
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 ...
A digital on-screen graphic, digitally originated graphic ( DOG, bug, [1] network bug, or screenbug) is a watermark-like station logo that most television broadcasters overlay over a portion of the screen area of their programs to identify the channel. They are thus a form of permanent visual station identification, increasing brand recognition ...
The word is also used for digital practices that share similarities with physical watermarks. In one case, overprint on computer-printed output may be used to identify output from an unlicensed trial version of a program. In another instance, identifying codes can be encoded as a digital watermark for a music, video, picture, or other file.
Digimarc Corporation is a provider of enterprise software and services. The company's software, which includes digital identifiers (i.e., serialized QR codes and digital watermarks), is designed to address counterfeiting, product authenticity, recycling accuracy, and supply chain traceability. Digimarc products are created for multiple ...
The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; the pattern of position detection was found and determined by applying the least-used ratio (1:1:3:1:1) in black ...
Digital video fingerprinting. Video fingerprinting or video hashing are a class of dimension reduction techniques [1] in which a system identifies, extracts, and then summarizes characteristic. components of a video as a unique or a set of multiple perceptual hashes or fingerprints, enabling that video to be uniquely identified.