A Novel OCR System for Calculating Handwritten Persian Arithmetic Expressions. - Sirvan Khalighi; Parisa Tirdad; Hamid R. Rabiee; Mehdi Parviz (ICMLA, 2009)

A Contourlet-Based Image Watermarking Scheme with High Resistance to Removal and Geometrical Attacks. - Sirvan Khalighi; Parisa Tirdad; Hamid R. Rabiee (EURASIP J. Adv. Signal Process., 2010)

Shift and Rotation Invariant Iris Feature Extraction based on Non-subsampled Contourlet Transform and GLCM. - Sirvan Khalighi; Parisa Tirdad; Fatemeh Pak; Urbano Nunes 001 (ICPRAM (2), 2012)

Iris Recognition using Robust Localization and Nonsubsampled Contourlet Based Features. - Sirvan Khalighi; Fatemeh Pak; Parisa Tirdad; Urbano Nunes 001 (J. Signal Process. Syst., 2015)

Variational Learning of Finite Inverted Dirichlet Mixture Models and Applications. - Parisa Tirdad; Nizar Bouguila; Djemel Ziou (Artificial Intelligence Applications in Information and Communication Technologies, 2015)