Results 21 to 30 of about 8,449 (218)

JPEG steganography: A performance evaluation of quantization tables [PDF]

, 2009
The two most important aspects of any image based steganographic system are the imperceptibility and the capacity of the stego image. This paper evaluates the performance and efficiency of using optimized quantization tables instead of default JPEG ...
Al-Mohammad, A, Ghinea, G, Hierons, RM
core   +1 more source

Perception of the Divine Essence from Ayatollah Javadi Amoli's Viewpoint [PDF]

حکمت اسرا
The perception of the Divine essence is challenging in Islamic mysticism and philosophy. Ayatollah Javadi Amoli has a unique view on this subject matter, which has not yet been the topic of an independent study.
Rouhollah Souri
doaj   +1 more source

Digital image steganography and steganalysis: A journey of the past three decades

Open Computer Science, 2020
Steganography is the science and art of covert communication. Conversely, steganalysis is the study of uncovering the steganographic process. The evolution of steganography has been paralleled by the development of steganalysis.
Sahu Aditya Kumar, Sahu Monalisa
doaj   +1 more source

A New Video Steganography Scheme Based on Shi-Tomasi Corner Detector

IEEE Access, 2020
Recent developments in the speed of the Internet and information technology have made the rapid exchange of multimedia information possible. However, these developments in technology lead to violations of information security and private information ...
Ramadhan J. Mstafa, Younis Mohammed Younis, Haval Ismael Hussein, Muhsin Atto   +3 more
doaj   +1 more source

Optimization of Cross Diagonal Pixel Value Differencing and Modulus Function Steganography Using Edge Area Block Patterns

Cybernetics and Information Technologies, 2022
The existence of a trade-off between embedding capacity and imperceptibility is a challenge to improve the quality of steganographic images. This research proposes to cross diagonal embedding Pixel Value Differencing (PVD) and Modulus Function (MF ...
Rustad Supriadi, De Rosal Ignatius Moses Setiadi, Andono Pulung Nurtantio, Syukur Abdul, Purwanto   +4 more
doaj   +1 more source

Blind and Secured Adaptive Digital Image Watermarking Approach for High Imperceptibility and Robustness

Entropy, 2021
In the past decade, rapid development in digital communication has led to prevalent use of digital images. More importantly, confidentiality issues have also come up recently due to the increase in digital image transmission across the Internet ...
Priyanka Singh, Kilari Jyothsna Devi, Hiren Kumar Thakkar, José Santamaría   +3 more
doaj   +1 more source

An Evolutionary Computing Enriched RS Attack Resilient Medical Image Steganography Model for Telemedicine Applications

, 2018
The recent advancement in computing technologies and resulting vision based applications have gives rise to a novel practice called telemedicine that requires patient diagnosis images or allied information to recommend or even perform diagnosis practices
Abdelrahim, Elsaid MD., Mansour, Romany F.   +1 more
core   +1 more source

A review on medicinal properties of saffron toward major diseases [PDF]

, 2016
The stigma of Crocus sativus, known as saffron, is one of the most expensive spices in the world. The bioactive components in saffron, picrocrocin, crocin, and safranal, have demonstrated a wide range of uses and capabilities in the medical field.
Abd Razak, Saiful Izwan, Abdul Kadir, Mohammed Rafiq, Foong, Choi Yee, Hamzah, Mohd Syahir Anwar, Mat Nayan, Nadirul Hasraf   +4 more
core   +2 more sources

Deep Learning-Based Image Watermarking Using Catalan Transform and Non-Negative Matrix Factorization

IEEE Access
In the digital age, embedding imperceptible data into images for authenticating ownership and content integrity through watermarking has gained immense importance.
Md. Fahim Hossain Saikat, Md. Al-Mamun Provath, Kaushik Deb, Pranab Kumar Dhar, Tetsuya Shimamura   +4 more
doaj   +1 more source

High-Capacity Image Steganography Based on Discrete Hadamard Transform

IEEE Access, 2022
High capacity and high imperceptibility are the primary targets for ideal image steganography. For the traditional transform-based schemes, the main challenge is to balance the imperceptibility, hiding capacity, and running efficiency.
Ying-Qian Zhang, Kuan Zhong, Xing-Yuan Wang   +2 more
doaj   +1 more source