Results 11 to 20 of about 32,314 (198)

A novel steganography approach for audio files [PDF]

open access: yes, 2020
We present a novel robust and secure steganography technique to hide images into audio files aiming at increasing the carrier medium capacity. The audio files are in the standard WAV format, which is based on the LSB algorithm while images are ...
Abdulrazzaq, Sazeen T   +2 more
core   +1 more source

Neutrosophic Similarity Measure for Assessing Digital Watermarked Images [PDF]

open access: yesNeutrosophic Sets and Systems, 2023
Digital watermarking is an essential tool for numerous applications, and the quality of watermarked images must be assessed using accurate criteria. Peak Signal-to-Noise Ratio (PSNR), a widely used image assessment metric, has limits when evaluating ...
Taha Basheer Taha, Huda E. Khalid
doaj   +1 more source

Invisible Shield: Unveiling an Efficient Watermarking Solution for Medical Imaging Security

open access: yesApplied Sciences, 2023
Securing medical imaging poses a significant challenge in preserving the confidentiality of healthcare data. Numerous research efforts have focused on fortifying these images, with encryption emerging as a primary solution for maintaining data integrity ...
Ammar Odeh   +3 more
doaj   +1 more source

Improved Watermarking Scheme Using Decimal Sequences [PDF]

open access: yes, 2005
This paper presents watermarking algorithms using d-sequences so that the peak signal to noise ratio (PSNR) is maximized and the distortion introduced in the image due to the embedding is minimized. By exploiting the cross correlation property of decimal
Shaik, Ashfaq N
core   +3 more sources

The Wiener Filter-Based Adaptive Denoising for Pseudo Analogy Video Transmission

open access: yesIEEE Access, 2022
With the popularity of video conferences, video calls and other activities, video transmission has been widely used. To meet a huge number of subscribers’ requirements, the mobile video transmission scheme needs to overcome some disadvantages ...
Wanning He, Xin-Lin Huang, Pengfei Li
doaj   +1 more source

Optical tomography: Image improvement using mixed projection of parallel and fan beam modes [PDF]

open access: yes, 2013
Mixed parallel and fan beam projection is a technique used to increase the quality images. This research focuses on enhancing the image quality in optical tomography.
Abdul Rahim, Ruzairi   +6 more
core   +1 more source

PSNR Improvement using Different Prediction Coding in Image Compression

open access: yesTikrit Journal of Engineering Sciences, 2010
Differential Pulse Code Modulation (DPCM) is one of the predictive coding techniques. The number of previous pixels employed in the estimate operation is referred to as the order of the predictor. Predictor using one pixel for estimation is called “first
Khamies K. Hasan
doaj   +1 more source

PERFORMANCE EVALUATION OF MULTIPLE TRANSFORM WATERMARKING SYSTEM FOR PRIVACY PROTECTION OF MEDICAL DATA USING PSNR AND NC [PDF]

open access: yesActa Electrotechnica et Informatica, 2019
This paper presents the performance evaluation of a developed multiple transform watermarking system for privacy protection of medical data using Peak Signal to Noise Ratio (PSNR) and Normalized Cross-Correlation (NC). The PSNR was used to evaluate the
Mutiu Adesina ADEGBOYE   +2 more
doaj   +1 more source

Penyembunyian Data pada File Video Menggunakan Metode LSB dan DCT

open access: yesIJCCS (Indonesian Journal of Computing and Cybernetics Systems), 2014
Abstrak Penyembunyian data pada file video dikenal dengan istilah steganografi video. Metode steganografi yang dikenal diantaranya metode Least Significant Bit (LSB) dan Discrete Cosine Transform (DCT).
Mahmuddin Yunus, Agus Harjoko
doaj   +1 more source

Xstream-x264: Real-time H.264 streaming with cross-layer integration [PDF]

open access: yes, 2011
We present Xstream-x264: a real-time cross-layer video streaming technique implemented within a well known open-source H.264 video encoder tool x264.
Boreli, Roksana   +2 more
core   +2 more sources

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