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- W2182205337 abstract "Watermarking had an explosive amount of work done in the past decade. The field has diverse application areas, and a large number of fields amalgamate to ensure different requirement in different circumstances is being met by watermarking. We will be focusing in this paper mainly on the techniques which come under authenticating an image as to see if the image which is being used as a proof is not tampered in any way. This comes as the subset named as fragile watermarking in the field of watermarking techniques. We propose a novel method which focuses mainly on JPEG format of images and takes the lossy compression into consideration. The method works for both grayscale as well as the color images. Watermarking is the field which is derived as a subset of Information Hiding field, but which has a completely different purpose as compared to the other part of information hiding i.e. Steganography. In Steganography we try to conceal the presence of the message in the medium which is carrying it. Also the main important material is the hidden message while the medium which is carrying the message is of little importance in the sense of value but it still has to conceal the presence of the message completely. Whereas in watermarking the main importance is given to the medium which is carrying the watermark. By the previous statement we mean that the quality of the medium which is carrying the watermark should not be reduced in the process of embedding the watermark as the medium here is of real value. Watermark is just for controlling the media in a broad sense. The digital media types are not restricted to images but also include audio, video and text documents etc. The watermarking field is classified into various types depending on the area of application i.e. the field of application. Watermarking has been classified into visible and invisible watermark type by (2). But generally they are classified as fragile, semi-fragile and robust (16). Robust Watermarking is most widely used for copyright protection. These method are robust in the sense that watermark cannot be removed from the digital image unless the digital media content is harmed in such a way that it becomes unusable." @default.
- W2182205337 created "2016-06-24" @default.
- W2182205337 creator A5077035527 @default.
- W2182205337 date "2012-01-01" @default.
- W2182205337 modified "2023-09-24" @default.
- W2182205337 title "Fragile Watermarking Scheme for Images in Transform Domain" @default.
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