IEEE - Institute of Electrical and Electronics Engineers, Inc. - Distributions of the DCT coefficient for Watermark Detection

2010 International Conference on Computer Application and System Modeling (ICCASM 2010)

Author(s): Du Yao Gang ; Chen Ying ; Wang Li Feng ; Yuan Zheng
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 October 2010
Conference Location: Taiyuan, China, China
Conference Date: 22 October 2010
Volume: 13
ISBN (Electronic): 978-1-4244-7237-6
ISBN (Paper): 978-1-4244-7235-2
DOI: 10.1109/ICCASM.2010.5622674
Regular:

In this paper, we derive the distribution of the DCT coefficients for a fixed block variance, and invoke the central limit theorem to show that this is approximately Gaussian. Then, by allowing... View More

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