Jeong-Chun Joo

Secure JPEG2000 Steganography by the Minimization of Code-block Noise Variance Changes

Heung-Kyu Lee, Hae-Yeoun Lee, Sang Moon Yoon, 2008 .

ADAPTIVE STEGANOGRAPHIC METHOD USING THE FLOOR FUNCTION WITH PRACTICAL MESSAGE FORMATS

Heung-Kyu Lee, Hae-Yeoun Lee, Tae-Woo Oh, 2011 .

Improved Steganographic Method Preserving Pixel-Value Differencing Histogram with Modulus Function

Heung-Kyu Lee, Hae-Yeoun Lee, Jeong-Chun Joo, 2010, EURASIP J. Adv. Signal Process..

STEGANALYSIS METHOD DEFEATING THE MODIFIED PIXEL-VALUE DIFFERENCING STEGANOGRAPHY

Heung-Kyu Lee, Hae-Yeoun Lee, Jeong-Chun Joo, 2010 .