Image watermarking techniques are used to provide copyright protection and verify
ownership of media/entities. This technique refers to the concept of embedding of secret …

Image encryption provides confidentiality to images by transforming them into
unrecognizable forms that resemble white noise. Digital chaos is one of the areas used to …

We present a simple yet highly dimensional hybrid diode bridge circuit network that can
exhibit complex chaotic behaviours. Further, since our network is characterised by smooth …

For a linear image encryption system, it is vulnerable to the chosen-plaintext attack. To
overcome the weakness and reduce the correlation among pixels of the encryption image …

In this paper, a new combination chaotic system (NCCS) is proposed for image encryption.
The proposed system has larger key space and exhibits better cryptographic features in …

The secure key generation is the predominant requirement of an image encryption. Chaotic
maps are often considered by the researchers for secure key generation. However, chaotic …

A new multi-image encryption scheme based on quaternion discrete fractional Hartley
transform (QDFrHT) and an improved pixel adaptive diffusion is proposed, which can …

In this paper, an improved cross coupled map lattice (CCML) which is derived from CCML is
proposed. The experimental analysis of CCML shows that it exhibits weak or even lose …

In the past two decades, we have seen the proliferation of Internet and its applications. The
information exchange happens via images, videos, texts, audio clips, etc. Medical experts …

In this technological era, it is highly essential to protect the digital medical data from the
fraud and forgery as they are transmitted over the public channel. Also with the increased …