The reaction of the doubly oxidized β-octaisobutyl-meso-tetraphenylporphyrin (OiBTPP, 4), which has a 16 π-electronic structure at the porphyrin core, with a variety of metal reagents was investigated ...

This paper proposes a novel approach towards image authentication and tampering detection by using watermarking as a communication channel for semantic information. We modify the HiDDeN deep-learning ...