A picture may be worth a thousand words. Could one say the same for a
digital picture? So, could a digital picture be worth a thousand lies
as well? With today’s rapid advancing digital technologies, could you
ever trust a digital picture? Anyone on the streets would be able to
modify a digital photograph with a simple imaging software. When digital
imaging is considered for law enforcement, the concern of the admissibility
of digital photographic evidence in court is often raised.
StegMark's technology, is a digital watermarking solution, proudly architected by DataMark Technologies, to address copyright and authenticity issues pertaining to digital imaging, video as well as digital documents. By utilizing DataMark’s patented digital watermarking technologies, covert security features could be added into digital photographs as well as digital video footages to ensure authenticity and proof of ownership.
The watermarks are imperceptibly embedded into the digital media content. Because the watermarks are invisible, this means that with the naked eye, a general viewer will not be able to discern any difference between the original and a watermarked content. In this solution, various digital watermarks such as robust and fragile digital watermarks are employed.
DataMark’s robust digital watermarks are designed to
withstand any major changes in the watermarked digital
image. Such major changes, which could be accidental or
malicious, include content alteration, compression, format
change, cropping etc. Critical information such as ID,
date and time information could be used as robust digital
watermarks.
DataMark’s fragile digital watermarks are designed to
detect the slightest change in the watermarked digital
image. Fragile digital watermarks will ensure that the
digital image has not been modified. In an event when the
digital image has been altered, the fragile watermark could
even indicate the regions in which a modification has taken
place. Read more>>
|
