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Protection of digital photos with a digital watermark.

Roik T. A., Raichenko O. Iu. (Natsionalnyi tekhnichnyi universytet Ukrainy «Kyivskyi politekhnichnyi instytut» (Kyiv, Ukraina)
Protection of digital photos with a digital watermark. — 2011. — № 3(33). — pp. 49—54.
     Digital photography has become an integral part of our life and technology of its creation. It meets the requirements of modernity and it is a very laborious process which often connected with use of advanced technologies. At the same time along with the proliferation of photographic works with using modern technology the copyright protection for digital images remains unsolved in Ukraine now. It is connected with the possibility to copy and distribute digital photograph outside the author’s control. Digital photo is very easy copied without worsening image quality in comparison with original, which obviously leads to disappearance of photo-piracy obstacles especially at the placing a file or photo in the Internet. Therefore the researches for development the author copyright protection at the creating of pictures are an actual problem. This article has been devoted to variants of this task solution.
     In the article the main advantages and disadvantages of digital images, methods of protecting digital photos, analyzes their reliability and possible options to protect copyrighted digital photo have been presented. There were offered new options for protecting digital photography at early stage of its development. Phase algorithm of development a digital watermark for images protection have been shown.
     Language — Ukrainian.
     Illustrations — 1.
     Bibliography — 7 titles.