Table 7 A sample analysis of three shares and reconstructed images with the input image of a news¹⁶, a building (Taj Mahal, India)¹⁷, a historical location (Statue of Liberty, New York, USA)¹⁷, and a medical Xray image¹⁵ using MSE (Eq. 8), PSNR (Eq. 9), and SSIM (Eq. 10).

From: Lightweight XOR-based visual cryptography using random shares for secure colour image sharing with minimal shares