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42 articles for “re-watermarking”
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Comparative Analysis of Digital Image Watermarking using DCT and DWT
Abstract: AbstractWatermarking is a technique to hide information into digital data and provides security against intentional and unintentional attack. It is a very important and emerging field which helps to protect ownership of digital information. Watermarking is the process of inserting or hiding information behind cover data. In this paper we discussed about two digital watermarking techniques, Discrete Cosine Transform (DCT) and discrete wavelet Transform (DWT). The parameters to test robustness …
Published in Journal of Communication Engineering & Systems · Vol. 4, Issue 1, 2014 · pp. 1–5 Read article
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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
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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
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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
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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
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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
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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
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Study of Crypto-Watermarking Method for Secure Transmission of Medical Images
Abstract: The delivery of online content poses significant challenges due to the lack of a secure framework to protect valuable data. Due to the lack of a solid system for protecting important data, the distribution of secure online information is fraught with difficulties. However, the use of digital watermarking technology, that provides control, identification, and protection of content owners’ rights, offers a viable remedy. This research study proposes a novel method …
Published in Journal of Advanced Database Management & Systems · Vol. 10, Issue 2, 2023 · pp. 8–16 Read article
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Speech Hiding in a Digital Image using DWT and DES Algorithm
Abstract: AbstractThe proposed paper presents a speech hiding technique in a digital image (DI). Here the technique used is Discrete Wavelet Transform (DWT). It secures speech signal from unauthorized users. It can be done by embedding speech into an image by steganography. Thus, unauthorized users will not detect secret speech in stego image. Suppose unauthorized users detect the speech that will be fraud because no one can obtain speech signal without …
Published in Journal of Open Source Developments · Vol. 4, Issue 2, 2017 · pp. 13–18 Read article
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Digital Image Authentication on Cloud using QR Code
Abstract: In these days, many people are using social sites for sharing and uploading their life moments as images. And other users can capture or even download those digital images. Hacker can edit and modifying the original image and make a duplicate image. Modify images can then be uploading and sharing. This research generally discusses the importance of QR with Digital Watermarking. The QR Code based Digital Watermarking is possible in …
Published in Journal of Electronic Design Technology · Vol. 12, Issue 3, 2021 · pp. 4–8 Read article
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Implementation of Audio Watermarking Technique by Spreaded Echo in Time Domain
Abstract: Now a day, enormous amount of information is produced, stored and dispersed in digitized form. To endow with real time coverage with sequences of high quality audio, still images and video, mass communication media has turned online. This increases the possibility of large-scale unauthorized copying which may lead to undermine the music, film, book and software industries. These concerns over protecting copyright have triggered significant research to find ways to …
Published in Journal of Open Source Developments · Vol. 1, Issue 2, 2014 · pp. 6–10 Read article
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Analysis of Invisible Image Watermarking Based on Spatial and Frequency Domain Techniques (LSB, Patchwork, DCT, DWT, DFT)
Abstract: AbstractWith rapid development, seed technology, secure transmission of information is very intricate. For harmless and protected transmission of information, digital watermarking can be utilized. Watermarking of advanced images is a system of concealing information; likewise, it gives security of information or distinguishing data in the computerized information. The computerized watermarking process implants a sign into the media without altogether debasing its visual quality. We additionally talk about a portion of …
Published in Journal of Image Processing & Pattern Recognition Progress · Vol. 4, Issue 1, 2017 · pp. 21–27 Read article
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Navigating the Dual Edge: A Comprehensive Technical Survey of Security, Privacy, and Countermeasures in the Era of Artificial Intelligence
Abstract: Artificial intelligence (AI) is seamlessly woven into vital sectors, such as self-driving cars, high-speed trading systems, and defense strategies; it has triggered a counterintuitive development in advanced cyberattacks. This survey paper attempts to perform an in-depth technical analysis of the “AI attack surface.” There are threats across three main vectors. Data integrity attacks focus specifically on examining “clean-label” poisoning and backdoor injection. Model confidentiality breaches discuss the mathematics behind model …
Published in Journal of Operating Systems Development & Trends · Vol. 13, Issue 1, 2026 · pp. 01–06 Read article
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Social Media and Security for Networks
Abstract: Social networks area unit of extreme quality in recent era. Individuals from varied age team’s area unit a region of them as a result of it fascinates the user and altogether have interaction them. As most of the social networks area unit in public on the market for everybody, digital security is negotiated due to uncaring practice of it. Individuals practice them to share vital personal information. However, utmost users …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 9, Issue 2, 2022 · pp. 31–36 Read article
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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
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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
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A Survey of Secure Transmission of Digital Watermarking Based on the Hybrid of DCT and 2DWT
Abstract: Image watermarking has become very necessary and very important aspects in the field to protect our originality, authentication, security towards the unauthorized users over the internet. Digital watermarking is a vital method to hide our copyright protection to our secret messages that are inbuilt in any images, audio or any image sources. Some of the digital watermarking is to be intended with the frequency domain for the better robustness of …
Published in Journal of Open Source Developments · Vol. 2, Issue 3, 2015 · pp. 20–26 Read article
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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
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An Implimentation on Extraction and Detection of Leak Data using Fake Tupples
Abstract: Modern business activity contains the email exchange, sometimes email leakage is occurred in the company and it is widespread problem in the industry particularly in IT industry .so we study the following problem as data distributor (owner) has given sensitive data to trusted third parties called as (agents) and if that data leaked by trusted agents, particularly the leaked data is find on website also or can find out by …
Published in Journal of Advanced Database Management & Systems · Vol. 1, Issue 1, 2014 · pp. 3–8 Read article
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Password Protected Image Encryption and Decryption using Hybrid Technique for Data Security
Abstract: Abstract: Data security and data anti-corruption are some areas of cryptography which is under continuous research and development. In this paper, a password based protection scheme has been included in order to increase the level of security of data. Here a hybrid technique for data security has been proposed and compared with its non-hybrid counterparts which resulted in the hybrid technique giving better results for various parameters of study like …
Published in Current Trends in Signal Processing · Vol. 9, Issue 1, 2019 · pp. 17–25 Read article