In this paper, multilayer cryptosystems for encrypting audio communications are proposed.
These cryptosystems combine audio signals with other active concealing signals, such as …

Data and image security is one of the most important aspects of information storage as well
as the massive and still expanding internet. The frequent use of images of various types …

This novel algorithm employs a shuffling procedure to perform encryption of audio files,
applying the stream cipher method. The algorithm uses a private key to perform encryption …

In this paper, new encryption algorithm for audio file is proposed based on a combination
between block cipher and chaotic maps. The proposed algorithm encrypts and decrypts a …

This paper discusses different nonlinear techniques for removing noise from images; ie,
image denoising. These techniques differ in terms of algorithm design, purpose …

In robotic applications, recognition of human faces at high speed is important to improve
human-machine interaction. Recognition speed can be limited by the on-board computation …

In cryptography, the previous research generally appears ambiguous and complex to the
novice researcher due to the use of complex mathematical equations and rules of …

Real-time robotic applications encounter the robot on board resources' limitations. The
speed of robot face recognition can be improved by incorporating cloud technology …

In the field of computer vision, face recognition has become a trending research topic, and is
widely used in the area of network security. The transmission of data over a network via a …

To improve human-machine interaction in real-time robotic applications, especially in face
recognition task, speed is limited because of robot on board limitations. The speed can be …