Search
48 articles for “watermark”
-
Robust Color Image Watermarking using Biometric Protection and Image Authentication Key
Abstract: In recent days, it becomes difficult to provide protection to color images which were captured by modern capturing devices. This paper presents a novel work on copyright protection by providing authentication process for extraction of watermark of color still images. New blind frequency domain non-correlation based watermarking algorithm using one dimensional Walsh coding technique is introduced to improve the robustness. The developed algorithms do not required the original image for …
Published in Current Trends in Signal Processing · Vol. 5, Issue 2, 2015 · pp. 15–23 Read article
-
Embedding Dual Watermark in the G-Channel Image Using DCT and 2-D Walsh Code
Abstract: This paper uses two dimensional Walsh coding for blind twofold watermarking algorithm which mixes robust copyright watermark and authentication information into various color images to maintain the copyright ownership of the host images. First watermark i.e. fingerprint image is embedded in the DCT low frequency coefficients of the G-channel image of host image where as the second watermark i.e. mobile phone number is embedded in the DCT block of G-channel …
Published in Current Trends in Signal Processing · Vol. 5, Issue 2, 2015 · pp. 27–34 Read article
-
A Review of Digital Image Watermarking Techniques for Secure Data Transmission
Abstract: AbstractNowadays, a chief problem encountered by content providers and owners is the protection of their material. The ease by which digital information can be duplicated and distributed has led to the need for effective copyright protection tools. Recently digital watermarking technology has emerged as an effective solution for protecting the digital content from unauthorized copying. With its area of application coexisting in all three forms of media, i.e., image, music …
Published in Current Trends in Information Technology · Vol. 3, Issue 1, 2013 · pp. 1–6 Read article
-
Analysis of Image Watermarking Techniques against Various Noise Attacks for Medical Images using Genetic Algorithm (GA)
Abstract: In this paper, we have presented a dual secure digital image watermarking algorithm based on discrete wavelet transforms (DWT), lifting wavelet transforms (LWT) and singular value decomposition (SVD) using genetic algorithm (GA) for medical images. The natural image is chosen as cover image and is decomposed up to three levels using discrete wavelet transform. The medical image is chosen as a watermark. The genetic algorithm is used to embed and …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 2, Issue 3, 2015 · pp. 36–44 Read article
-
Invisible Watermarking on RGB Image with the Combination of 7-DWT and SVD
Abstract: In this study, we present a powerful watermarking system based on seven level discrete wavelet transform and singular value decomposition for RGB picture where R signifies red color, G indicates green color and B means blue color. It provides improved security and performance in terms of mean square error, peak signal noise ratio, structural similarity matrix, normalized cross correlation and execution time. During the experiment, we increase peak signal noise …
Published in Journal of Open Source Developments · Vol. 2, Issue 3, 2015 · pp. 12–19 Read article
-
Comparison Performance Analysis of Multi-Wavelet Based Watermarking Techniques for Medical Images Using Genetic Algorithm (GA)
Abstract: In this paper, the scaling factor of the watermark is the significant parameter that helps in improving the imperceptibility and robustness against attacks. The tradeoff between the imperceptibility and robustness is considered as an optimization problem and is solved by applying genetic algorithm (GA). The water marking is proposed to be implemented using a hybrid approach which encompasses discrete wavelet transforms (DWT), lifting wavelet transforms (LWT) and singular value decomposition …
Published in Journal of Image Processing & Pattern Recognition Progress · Vol. 3, Issue 1, 2016 · pp. 15–23 Read article
-
A Review of Image Watermarking on Different Methods with its Applications
Abstract: AbstractWatermarking is a process to hide some secret data in a cover file. Watermarking is a notion intently related to steganography. In these, both hide information in an image. The information hidden in this is in different forms like an image, song, video within the signal itself. We have studied comparative analysis of various approaches that may positive and negative of these techniques. This comparison can further be used to …
Published in Journal of Image Processing & Pattern Recognition Progress · Vol. 3, Issue 3, 2016 · pp. 24–29 Read article
-
Digital Watermark Image Perform on Arnold-DWT-SVD Scheme Has Proved a High Degree of Robustness: A Review
Abstract: AbstractDigital communication plays an important function within the international level of internet as well as within the communication technology. The secrecy of the communication is an essential part of passing the data or information. Digital watermarking (DW) has ended up a promising research place to stand the demanding situations created via the rapid increase in distribution of digital content over the net. To prevent misuse of the facts, DW strategies …
Published in Journal of Open Source Developments · Vol. 4, Issue 1, 2017 · pp. 21–29 Read article
-
Zero Watermarking for Energy Efficiency in Wireless Sensor Networks
Abstract: A group of dedicated and spatially distributed sensors that collect and transmit huge amount of data from the source nodes to the base station (BS) is referred to as Wireless Sensor Networks (WSN). The data is collected from the sensor deployed environment and sent to the BS directly or indirectly (via intermediate nodes). Energy constraint is the key obstacle in WSN by which sensor nodes undergo, where main source of …
Published in Journal of Web Engineering & Technology · Vol. 5, Issue 3, 2018 · pp. 1–9 Read article
-
Performance Improvement of Digital Video Watermarking
Abstract: In this paper, implementation and performance analysis of digital video watermarking that uses the combination of the transform domain processing of the video and fundamentals of the linear algebra are stated. We used concept of discrete wavelet transform and singular value decomposition for the development of the proposed algorithm. We first applied discrete wavelet transform and then used the singular values, obtained by singular value decomposition, for the insertion of …
Published in Current Trends in Signal Processing · Vol. 6, Issue 1, 2016 · pp. 35–43 Read article
-
Video Watermarking – Implementation and Performance Analysis of Combined DWT – SVD Approach
Abstract: In this Paper, the authors state the implementation and performance analysis of digital video watermarking that use the combination of the transform domain processing of the video and fundamentals of the linear algebra. The concept of Discrete Wavelet Transform and Singular Value Decomposition has been used for the development of the proposed algorithm. The authors first applied discrete wavelet transform and then used the singular values, obtained by Singular Value …
Published in Current Trends in Signal Processing · Vol. 2, Issue 1-3, 2012 · pp. 106–114 Read article
-
Time Base Modulation Approach to Audio Watermarking
Abstract: Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 A new method is presented for inaudibly hiding information in an audio signal by subtly applying time-scale modification to segments of the signal. The sequence, duration, and degree of the time-scale modifications are the parameters which encode information in the altered signal. By comparing the altered signal with a reference copy, compressed and expanded regions can be identified and the hidden …
Published in Current Trends in Information Technology · Vol. 4, Issue 1, 2014 · pp. 14–20 Read article
-
Estimation of JPEG Image Compression for Colour Images Using the Forensic Detector
Abstract: Multimedia items would be required to transmit the secret information between the sender and recipient in order to raise the security level imposed on them. Watermarking is the most frequently habituated system for adding security to photos. In numerous cases, using a watermarking strategy to give security isn't feasible. Because the security communication is visible, hackers may add a watermark on the original image, just like the sender did, and …
Published in Recent Trends in Sensor Research & Technology · Vol. 9, Issue 1, 2022 · pp. 7–11 Read article
-
A Gui Model for the Encryption and Decryption of an Image
Abstract: Digital watermarking is the processing of combined information into a digital signal. A watermark is a secondary image, which is overlaid on the host image, and provides a means of protecting the image. It acts as a digital signature, giving the image a sense of ownership or authenticity. Digital watermarking technique is very impressive for image authentication or protection for attacks. This paper proposes a separable reversible data hiding in …
Published in Recent Trends in Electronics Communication Systems · Vol. 2, Issue 3, 2015 · pp. 47–54 Read article
-
Secured Communication and Image Authentication: Embedding Encrypted Text Files Into Color Digital Images
Abstract: In today's digital landscape, protecting digital assets, particularly images, is paramount. Researchers have developed various techniques to safeguard these assets, emphasizing their protection and integrity. Simultaneously, steganography plays a crucial role in securely communicating confidential messages. This paper focuses on a dual-purpose technique: watermarking color digital images for protection and embedding secret messages through steganography. This fusion of functionalities represents a significant step in comprehensive asset protection and confidential communication …
Published in International Journal of Information Security Engineering · Vol. 2, Issue 1, 2024 · pp. 10–15 Read article
-
A Survey on Audio Steganography and Audio Cryptography
Abstract: AbstractReliably secure mechanisms are required to protect most untold and blueprint of defense information against vulnerabilities like ID spoofing and unauthorized access to the top most system of a country because of secured access to the Internet and data resources has a high impact in the defense system. For this purpose techniques related to Cryptography and digital Watermarking have been mostly used. For embedding information into objects such as images, …
Published in Journal of Communication Engineering & Systems · Vol. 9, Issue 2, 2019 · pp. 64–68 Read article
-
Study and Analysis of Domain Based Digital Image Water Marking Techniques: Survey
Abstract: AbstractDue to the modern steps forward in internet technology and evolution of very high-speed networks operating everywhere, security of digital content is must. So, it has become a hard job to protect copyright of an individual's creation. Digital image watermarking (DIW) is usually utilized for copyright protection of virtual facts. The effectiveness of a digital watermarking (DW) approach is indicated by using the robustness of embedded watermarks (EW) against the …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 4, Issue 2, 2017 · pp. 39–45 Read article
-
Analysis and Development of Data Hiding Technique for Multimedia Content
Abstract: In this techno savvy world, due to high speed of the Internet today’s communication becomes digital. Due to this advancement, anyone can access the digital data within the entire globe without the owner’s permission. The digital data can be replaced and modified with great ease which has led to a need for effective data hiding tools. As a solution one of the most familiar data hiding techniques, possibly the most …
Published in Journal of Multimedia Technology & Recent Advancements · Vol. 5, Issue 3, 2018 · pp. 15–19 Read article
-
Comprehensive Review and Analysis of Improved Filtering Methodology Based Image De-noising System
Abstract: A digital image is often ruined by noise that comes from the process and equipment used to make it or that is added to the image while it is being sent. Different kinds of noise, like impulse noise, uniform noise, Salt-and-Pepper noise, and additive Gaussian noise, can show up in images. Using a good image de-noising method, noise can be taken out of an image to bring back its details. …
Published in Journal of Microwave Engineering and Technologies · Vol. 9, Issue 2, 2022 · pp. 34–45 Read article
-
Design Simulation and Assessment of Image De-noising through Improved Median Filters Based Sub band Decomposition
Abstract: The quality of an image sequence can degrade due to a number of causes, such as noise in the recording, transmission, or scanning. Additionally to enhancing the visual appeal, filtering offers the advantage of facilitating subsequent image processing tasks like coding, interpretation, or analysis. While attempting to restore a perfect image from a faulty copy, noise reduction is a top concern. Because of this, there isn't a single strategy that …
Published in Journal of Microelectronics and Solid State Devices · Vol. 9, Issue 2, 2022 · pp. 9–21 Read article