N. R. Kumar

An imperceptible watermarking technique for copyright content using discrete cosine transformation

N. R. Raajan, Shankar Parimi, A. SaiKrishna, 2015, 2015 International Conference on Circuits, Power and Computing Technologies [ICCPCT-2015].

New visual secret sharing scheme for gray-level images using diamond theorem correlation pattern structure

N. R. Raajan, V. Harish, N. R. Kumar, 2016, 2016 International Conference on Circuit, Power and Computing Technologies (ICCPCT).

Steganographic approach to enhancing secure data communication using contours and clustering

N. R. Raajan, G. Manikandan, R. Krishnan, 2018, Multimedia Tools and Applications.

Spectral investigations of Sm3+ doped lead bismuth magnesium borophosphate glasses

K. Kumar, Y. Babu, N. R. Kumar, 2012 .

Correlation of B-scan, CT scan and biopsy findings in orbital masses (space occupying lesions)

N. R. Kumar, K. Amruthavalli, M. Pandarpurkar, 2019, Tropical Journal of Ophthalmology and Otolaryngology.

Primary small intestinal malignancy, Gastrointestinal tumors.

N. R. Kumar, 2015 .

An Approach for Attaining Content Confidentiality on Medical Images Through Image Encryption with Steganography

G. Manikandan, N. R. Raajan, D. Narasimhan, 2021, Wireless Personal Communications.

An Intelligent 2D Secret Share Construction using Visual Cryptography for Secure Transmission

G. Manikandan, N. R. Raajan, N. R. Raajan, 2020, KSII Trans. Internet Inf. Syst..

An Automated SVM Based Skin Lesion Segmentation and Classification System for Tumor Diagnosis

N. R. Kumar, M. Babu, 2018 .

Generation of Divine Image-Sri Yantra

B. Santhi, R. Krishnan, N. R. Kumar, 2012 .