These are the MATLAB codes and the required data pertaining to our publications:
[1] Sonu K Mishra, K. Biswaranjan, "Extended visual cryptography for general access structures using random grids", Advances in Computing, Communication & Informatics (ICACCI), 2015 IEEE International Conference, pp. 1924-1929.
[2] Sonu K Mishra, K. Biswaranjan, "Robust cheat-prevention for random grids-based visual secret sharing scheme", Procedia Computer Science, Elsevier, vol 46, 512-523, 2015.