R
Rengarajan Amirtharajan
Researcher at Shanmugha Arts, Science, Technology & Research Academy
Publications - 186
Citations - 2126
Rengarajan Amirtharajan is an academic researcher from Shanmugha Arts, Science, Technology & Research Academy. The author has contributed to research in topics: Encryption & Steganography. The author has an hindex of 22, co-authored 144 publications receiving 1526 citations.
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Chaos based crossover and mutation for securing DICOM image
Dhivya Ravichandran,Padmapriya Praveenkumar,John Bosco Balaguru Rayappan,Rengarajan Amirtharajan +3 more
TL;DR: The experimental results prove the proposed DICOM cryptosystem has achieved a desirable amount of protection for real time medical image security applications.
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DNA Chaos Blend to Secure Medical Privacy
Dhivya Ravichandran,Padmapriya Praveenkumar,John Bosco Balaguru Rayappan,Rengarajan Amirtharajan +3 more
TL;DR: A hybrid encryption scheme based on deoxyribo nucleic acid and chaotic maps, which can be adaptable for both selective and full medical image encryption is proposed, which uses multiple chaotic maps in single process to generate the highly random keys for encrypting the color digital imaging and communications in medicine image.
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An intelligent chaotic embedding approach to enhance stego-image quality
TL;DR: An Adaptive Random (AR) k-bit embedding approach has been attempted to enhance the quality of stego-images, and the estimated Peak Signal to Noise Ratio (PSNR) value for the ARIP method yields 1dB enhancement.
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A robust medical image encryption in dual domain: chaos-DNA-IWT combined approach
TL;DR: A DICOM image encryption based upon chaotic attractors on frequency domain by integer wavelet transform (IWT) and fused with deoxyribonucleic acid (DNA) sequence on the spatial domain and robust against the brute force attacks is recommended.
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A Comparative Analysis of Image Steganography
TL;DR: Various digital steganographic techniques are implemented which are capable of producing a secret-embedded image that is indistinguishable from the original image to the human eye.