Yun-Qing Shi, PhD, a professor in the department of electrical and computer engineering at NJIT, will provide tutorials on "Fragile and Semi-fragile Reversible Data Hiding," Steganography and Steganalysis," and "Digital Forensics" in August to the Watermarking and Multimedia Security Research Group at the University of Surrey. Dr. Shi was invited by the Royal Society to visit University of Surrey as an expert in Digital Watermarking and Data Hiding.