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DOI	10.1016/j.jisa.2019.04.001
	A new DCT-based robust image watermarking method using teaching-learning-Based optimization
	Moosazadeh, Mohammad 1; Ekbatanifard, Gholamhossein 2
通讯作者	Moosazadeh, Mohammad
来源期刊	JOURNAL OF INFORMATION SECURITY AND APPLICATIONS
ISSN	2214-2126
EISSN	2214-2134
出版年	2019
卷号	47 页码:28-38
英文摘要	Despite the passage of more than 20 years of raising the issue of watermarking by Tirkel, the researchers are still seeking to provide an approach more resistant than existing solutions. In this paper we proposed a new watermarking method that works on JPEG-YCbCr color space and the embedding operation is based on the relationships between the DCT coefficients. The JPEG-YCbCr is rescaling of YCbCr color space that has a good robustness against most of the attacks and it used in JPEG image format. Also the relationship between the DCT coefficients is stable against most of the changes in the host image. Therefore, the proposed method has more robustness compared to some other methods. On the other hand, many intelligent optimization methods are in use regarding the nature of the phenomenon simulated by the methods. Teaching-Learning-Based Optimization (TLBO) is a novel method of optimization which has become a hot issue in recent years. The algorithm works on the principle of teaching and learning, where teachers increase the knowledge of students and also the students learn from interaction among themselves. The proposed method uses TLBO which has been applied rarely so far in watermarking algorithms and it can automatically determine the embedding parameters and suitable position for inserting the watermark. Besides, in the object function of TLBO, ensuring higher imperceptibility and also robustness against Median filter and JPEG compression have been considered. According to the experimental results, the imperceptibility of watermarked images is satisfactory, and embedded watermark is extracted successfully even if the watermarked image is distorted by various attacks. (C) 2019 Elsevier Ltd. All rights reserved.
英文关键词	Robust image watermarking Desert cosine transform (DCT) JPEG YCbCr color space JPEG Compression Teaching-Learning-Based optimization (TLBO)
类型	Article
语种	英语
国家	Iran
收录类别	SCI-E
WOS记录号	WOS:000480387600004
WOS关键词	SCHEME ; ALGORITHM ; DOMAIN
WOS类目	Computer Science, Information Systems
WOS研究方向	Computer Science
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/217197
作者单位	1.Mehrastan Univ, Dept Informat Technol Engn, Astaneh Ashrafiyeh, Gilan, Iran; 2.Islamic Azad Univ, Lahijan Branch, Dept Comp Engn, Lahijan, Gilan, Iran
推荐引用方式 GB/T 7714	Moosazadeh, Mohammad,Ekbatanifard, Gholamhossein. A new DCT-based robust image watermarking method using teaching-learning-Based optimization[J],2019,47:28-38.
APA	Moosazadeh, Mohammad,&Ekbatanifard, Gholamhossein.(2019).A new DCT-based robust image watermarking method using teaching-learning-Based optimization.JOURNAL OF INFORMATION SECURITY AND APPLICATIONS,47,28-38.
MLA	Moosazadeh, Mohammad,et al."A new DCT-based robust image watermarking method using teaching-learning-Based optimization".JOURNAL OF INFORMATION SECURITY AND APPLICATIONS 47(2019):28-38.