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Novel Handoff Frequency Algorithms for Vehicular Area Networks Read chapter Read first chapter

2013 | OriginalPaper | Chapter

DCT-Based Watermarking for Color Images via Two-Dimensional Linear Discriminant Analysis

Authors : I-Hui Pan, Ping Sheng Huang, Te-Jen Chang

Published in: Information Technology Convergence

Publisher: Springer Netherlands

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Abstract

In this paper, we propose a watermarking algorithm based on Discrete Cosine Transform (DCT) using Two-dimensional Linear Discriminant Analysis (2DLDA) for color images. At first, the color image is converted into the YIQ color space and then transformed into the frequency domain by DCT. During the embedding stage, two watermarks of reference and logo are embedded into the Q component. Then, watermark extraction is done by 2DLDA from the Q component based on the frequency domain of DCT. By considering the Human Visual System (HVS), experimental results have shown that the watermark can be correctly extracted and better robustness is provided after various image attacks.

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previous chapter WMN-GA System for Node Placement in WMNs: Effect of Grid Shape
next chapter Human Action Recognition Using Depth Images
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Metadata
Title
DCT-Based Watermarking for Color Images via Two-Dimensional Linear Discriminant Analysis
Authors
I-Hui Pan
Ping Sheng Huang
Te-Jen Chang
Copyright Year
2013
Publisher
Springer Netherlands
Book
Information Technology Convergence

Print ISBN: 978-94-007-6995-3

Electronic ISBN: 978-94-007-6996-0

Copyright Year: 2013

DOI
https://doi.org/10.1007/978-94-007-6996-0_7