Document Forgery Detection with SVM Classifier and Image Quality Measures. - Seung-Jin Ryu; Hae-Yeoun Lee; Il-Weon Cho; Heung-Kyu Lee (PCM, 2008)

Vector Watermarking Robust to Both Global and Local Geometrical Distortions. - Dong-Hyuck Im; Hae-Yeoun Lee; Seung-Jin Ryu; Heung-Kyu Lee (IEEE Signal Process. Lett., 2008)

Electrophotographic printer identification by halftone texture analysis. - Seung-Jin Ryu; Hae-Yeoun Lee; Dong-Hyuck Im; Jung-Ho Choi; Heung-Kyu Lee (ICASSP, 2010)

Detection of Copy-Rotate-Move Forgery Using Zernike Moments. - Seung-Jin Ryu; Min-Jeong Lee; Heung-Kyu Lee (Information Hiding, 2010)

Improved Watermark Estimation Scheme Based on Neighborhood Filter. - Tae-Woo Oh; Seung-Jin Ryu; Ji Won Lee; Won-Young Yoo; Heung-Kyu Lee (IIH-MSP, 2010)

Screenshot identification using combing artifact from interlaced video. - Ji Won Lee; Min-Jeong Lee; Tae-Woo Oh; Seung-Jin Ryu; Heung-Kyu Lee (MM&Sec, 2010)

Invisible logo watermarking using visualization of spread spectrum signal on high-definition video. - Tae-Woo Oh; Seung-Jin Ryu; Heung-Kyu Lee (ISPA, 2011)

Detecting Re-captured Videos Using Shot-Based Photo Response Non-Uniformity. - Dae-Jin Jung; Dai-Kyung Hyun; Seung-Jin Ryu; Ji Won Lee; Hae-Yeoun Lee; Heung-Kyu Lee (IWDW, 2011)

Source camcorder identification from cropped and scaled videos. - Dai-Kyung Hyun; Seung-Jin Ryu; Min-Jeong Lee; Jun-Hee Lee; Hae-Yeoun Lee; Heung-Kyu Lee (Media Watermarking, Security, and Forensics, 2012)

Detection of Upscale-Crop and Partial Manipulation in Surveillance Video Based on Sensor Pattern Noise. - Dai-Kyung Hyun; Seung-Jin Ryu; Hae-Yeoun Lee; Heung-Kyu Lee (Sensors, 2013)

Rotation Invariant Localization of Duplicated Image Regions Based on Zernike Moments. - Seung-Jin Ryu; Matthias Kirchner; Min-Jeong Lee; Heung-Kyu Lee (IEEE Trans. Inf. Forensics Secur., 2013)

Detecting Trace of Seam Carving for Forensic Analysis. - Seung-Jin Ryu; Hae-Yeoun Lee; Heung-Kyu Lee (IEICE Trans. Inf. Syst., 2014)

Estimation of linear transformation by analyzing the periodicity of interpolation. - Seung-Jin Ryu; Heung-Kyu Lee (Pattern Recognit. Lett., 2014)

Hierarchical Neural Networks for Detecting Anomalous Traffic Flows. - Seung-Jin Ryu; Wooyoung Go; Daewoo Lee; Han Jun Yoon (GLOBECOM, 2019)