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- W2922187859 abstract "In this article two algorithms are presented: one to add a watermark to a digital image and another to make the restoration of the image marked with the information stored in the watermark. This added watermark allows recovering manipulated or damaged information in digital images by up to 48%. This percentage is possible because compressed information of the original image and its respective parity codes are stored for recovery in the three least significant bits. From the tests carried out on 50 digital images, we show that it is possible to recover up to 48%" @default.
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- W2922187859 date "2018-11-01" @default.
- W2922187859 modified "2023-09-23" @default.
- W2922187859 title "Watermarks based on DCT for Digital Images Restoration" @default.
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- W2922187859 doi "https://doi.org/10.1109/ropec.2018.8661363" @default.
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