Image watermark detection techniques using quadtrees
The quadtree, a hierarchical data structure for the representation of spatial information based on the principle of recursive decomposition, is widely used in digital image processing and computer graphics. This paper demonstrates the detection of invisible watermarked images generated by popular wa...
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| Format: | Article |
| Language: | English |
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Emerald Publishing
2015-07-01
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| Series: | Applied Computing and Informatics |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2210832714000222 |