Results 31 to 40 of about 22,932 (201)

Digital image watermarking [PDF]

open access: yes, 2004
In recent years, interest in digital watermarking has grown significantly. Indeed, the use of digital watermarking techniques is seen as a promising mean to protect intellectual property rights of digital data and to ensure the authentication of digital data.
  +5 more sources

Watermarking for multimedia security using complex wavelets [PDF]

open access: yes, 2010
This paper investigates the application of complex wavelet transforms to the field of digital data hiding. Complex wavelets offer improved directional selectivity and shift invariance over their discretely sampled counterparts allowing for better ...
Bouridane, Ahmed   +3 more
core   +2 more sources

A NOVEL DIGITAL IMAGE WATERMARKING SCHEME USING BIORTHOGONAL WAVELETS [PDF]

open access: yesICTACT Journal on Image and Video Processing, 2011
Copyright protection is considered as an issue of vital significance owing to the escalating utilization of internet and effortless copying, tampering and distribution of digital images.
G. Yamuna, D. Sivakumar
doaj  

Combining Digital Watermarking and Fingerprinting Techniques to Identify Copyrights for Color Images

open access: yesThe Scientific World Journal, 2014
This paper presents a copyright identification scheme for color images that takes advantage of the complementary nature of watermarking and fingerprinting.
Shang-Lin Hsieh   +2 more
doaj   +1 more source

A Digital Watermarking Encryption Technique Based on FPGA Cloud Accelerator

open access: yesIEEE Access, 2020
Digital watermarking has the properties such as invisibility and anti-aggression, so the digital watermarking technology has been widely used in copyright protection, information hiding. The watermarking technology takes into account the invisibility and
Yanpeng Cao, Feng Yu, Yongming Tang
doaj   +1 more source

Blind and robust images watermarking based on wavelet and edge insertion

open access: yes, 2013
This paper gives a new scheme of watermarking technique related to insert the mark by adding edge in HH sub-band of the host image after wavelet decomposition.
Karim, Attoumani Mohamed   +1 more
core   +1 more source

Comparison of DCT, SVD and BFOA based multimodal biometric watermarking system

open access: yesAlexandria Engineering Journal, 2015
Digital image watermarking is a major domain for hiding the biometric information, in which the watermark data are made to be concealed inside a host image imposing imperceptible change in the picture.
S. Anu H. Nair, P. Aruna
doaj   +1 more source

A Robust Image Watermarking Scheme Based on SVD in the Spatial Domain

open access: yesFuture Internet, 2017
With the development of image processing technology, the copyright protection of digital images has become an urgent problem to be solved. As an effective method, the robust digital watermarking technique emerges at a historic moment.
Heng Zhang, Chengyou Wang, Xiao Zhou
doaj   +1 more source

Geometric correction code‐based robust image watermarking

open access: yesIET Image Processing, 2023
Digital image watermarking is one of the effective schemes to protect the copyrights of still images. However, the existing watermarking schemes are still not robust enough to the common geometric transformation attacks such as arbitrary rotation ...
Zhili Zhou   +4 more
doaj   +1 more source

A Hybrid robust watermarking system based on discrete cosine transform, discrete wavelet transform, and singular value decomposition

open access: yesJournal of King Saud University: Computer and Information Sciences, 2022
Digital data sharing is increased day by day due to the rapid access of the Internet by mass people. Multimedia, for example text, image, video, and audio can be easily accessed by unauthorized users.
Mahbuba Begum   +2 more
doaj   +1 more source

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