Efficient Constructions for t- (k, n)*-Random Grid Visual Cryptographic Schemes. - Bibhas Chandra Das; Md Kutubuddin Sardar; Avishek Adhikari (IACR Cryptol. ePrint Arch., 2017)

Visual Secret Sharing Scheme with Distributed Levels of Importance of Shadows. - Sabyasachi Dutta; Tamal Bhore; Md Kutubuddin Sardar; Avishek Adhikari; Kouichi Sakurai (ICMC, 2019)

Color Visual Cryptography Schemes Using Linear Algebraic Techniques over Rings. - Sabyasachi Dutta; Md Kutubuddin Sardar; Avishek Adhikari; Sushmita Ruj; Kouichi Sakurai (ICISS, 2020)

Essential secret image sharing scheme with small and equal sized shadows. - Md Kutubuddin Sardar; Avishek Adhikari (Signal Process. Image Commun., 2020)

(t, k, n) Regional Secret Image Sharing over Finite Fields. - Md Kutubuddin Sardar; Jyotirmoy Pramanik; Avishek Adhikari (Signal Process., 2023)