@incollection{furht_image_2008-1,
	title = {Image {Watermarking}},
	copyright = {©2008 Springer-Verlag},
	isbn = {978-0-387-74724-8 978-0-387-78414-4},
	url = {http://link.springer.com/referenceworkentry/10.1007/978-0-387-78414-4_83},
	abstract = {DefinitionImage watermarking deals with creating a metadata (a watermark) about the image content and hiding it within the image.Challenges and BenchmarkingDigital images are often printed and scanned again, for example when they are used in magazines and readers want to store digitally. When used as web site illustrations, they are often compressed by lossy compression algorithms like JPEG. Common processing operations include softening, sharpening, denoising, scaling, cropping and color corrections. A number of benchmarking suits address image watermarking robustness evaluation, Stirmark [1], Checkmark and Certimark are well known examples.The most challenging attacks on the robustness of image watermarks today are nonlinear transformations, rendering a watermark in an image undetectable for the watermarking algorithm. But even common image processing operations like scaling and rotation can be a serious challenge for the re-synchronization of an ...},
	language = {en},
	urldate = {2016-05-03},
	booktitle = {Encyclopedia of {Multimedia}},
	publisher = {Springer US},
	editor = {Furht, Borko},
	year = {2008},
	note = {00000},
	pages = {343--344}
}

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