A new fragile watermarking approach for tamper detection and recovery of document images. - Chetan K. R; Shivananda Nirmala (ICACCI, 2014)

A novel intelligent robust watermarking scheme for protecting information in document images. - Chetan K. R; Shivananda Nirmala (ICAPR, 2015)

An Intelligent Blind Semi-fragile Watermarking Scheme for Effective Authentication and Tamper Detection of Digital Images Using Curvelet Transforms. - K. R. Chetan; Shivananda Nirmala (SIRS, 2015)

An efficient and secure robust watermarking scheme for document images using Integer wavelets and block coding of binary watermarks. - Chetan K. R; Shivananda Nirmala (J. Inf. Secur. Appl., 2015)

A Novel Intelligent Multiple Watermarking Schemes for the Protection of the Information Content of a Document Image. - K. R. Chetan; Shivananda Nirmala (ICVGIP Workshops, 2016)

An intelligent fragile watermarking scheme based on contourlets for effective detection, localization and recovery of tampered regions in handwritten document images. - K. R. Chetan; Shivananda Nirmala (ICACCI, 2017)

Multiple Content Adaptive Intelligent Watermarking Schemes for the Protection of Blocks of a Document Image. - Chetan K. R; Shivananda Nirmala (J. Digit. Forensics Secur. Law, 2017)

An Adaptive Curvelet Based Semi-Fragile Watermarking Scheme for Effective and Intelligent Tampering Classification and Recovery of Digital Images. - K. R. Chetan; Shivananda Nirmala (Int. J. Rough Sets Data Anal., 2018)