Steganography is an appropriate approach to establish a secure connection between the
sender and the receiver. Data embedding in Discrete Cosine Transform (DCT) coefficients …

This work presents a new asymmetric data hiding technique that hides a variable number of
secret message bits in the discrete cosine transform (DCT) coefficients of a cover image …

Several medical consultations and examinations have been undertaken online since the
Covid outbreak. However, when private data was communicated over the internet or …

Multiple images steganography refers to hiding secret messages in multiple natural images
to minimize the leakage of secret messages during transmission. Currently, the main …

Adversarial examples are samples that are close to benign samples with respect to a
distance metric, but misclassified by a neural network. While adversarial perturbations of …

Steganography is the science and art to conceal the existence of communication, by hiding
information in a digital media, the existence of communication is hidden from the enemy's …

Steganography is one of the methods used for the hidden exchange of information and it art
of invisible communication. The confidential communication is concealed so that it cannot be …

Several medical consultations and examinations have been undertaken online due to the
Covid outbreak. However, when private data was communicated over the internet or …

Mobile Ad Hoc Network (MANET) is a special and attractive type of new wireless networks. It
is an autonomous system that can dynamically be set up anywhere and anytime without …

پنهان نگاری علم و هنر پنهان سازی وجود ارتباط است، بدین صورت که با پنهان کردن اطلاعات در یک
رسانه دیجیتال وجود ارتباط از دید فرد متخاصم پنهان می‌ماند. پنهان نگاری در ضرایب تبدیلات …‎