00000nam a2200000 a 4500 20251219155823.0 9780367656430 005.8 SHI Shih, Frank Y Digital watermarking and steganography fundamentals and techniques 2nd ed Boca Raton CRC Press 2017 xxii, 270 p. 24 cm. PB Include index _ Computer science Data encryption Computer security Digital watermarking Intellectual property _ _ _ 225861 310329 310329 0 0 0 0 PU PU 2022-03-28 3811.55 1 005.8 SHI 225861 2026-11-15 2026-10-18 11:28:20 2026-10-18 BK