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Los Angeles, CA
March 31, 2009 to April 2, 2009
ISBN: 978-0-7695-3507-4
pp: 276-279
ABSTRACT
A novel framework is presented for image watermarking, which enables detection of the watermark without the original image. As opposed to earlier DCT-based subsampling method that reconstructed the image before transmission, the new DWT-based framework allows validation of the watermark before the recovery of the image. This reduces computational requirements in situation when the verification step fails. And compared with previous subsampling approach, this algorithm apparently preserves superior robustness under various attacks, especially under JPEG and lowpass filter, which is the relative weakness of the prior method.
CITATION
Zhicheng Wei, Puping Zhang, Changguang Wang, "Image Watermarking Based on an Improved Subsampling Framework", CSIE, 2009, 2009 WRI World Congress on Computer Science and Information Engineering, CSIE, 2009 WRI World Congress on Computer Science and Information Engineering, CSIE 2009, pp. 276-279, doi:10.1109/CSIE.2009.391
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