Recognition of Urdu ligatures - a holistic approach. - Israr Uddin Khattak; Imran Siddiqi; Shehzad Khalid; Chawki Djeddi (ICDAR, 2015)

A Holistic Approach for Recognition of Complete Urdu Ligatures Using Hidden Markov Models. - Israr Ud Din; Imran Siddiqi; Shehzad Khalid (FIT, 2017)

Segmentation-free optical character recognition for printed Urdu text. - Israr Ud Din; Imran Siddiqi; Shehzad Khalid; Tahir Azam (EURASIP J. Image Video Process., 2017)

Recognition of printed Urdu ligatures using convolutional neural networks. - Israr Ud Din; Nizwa Javed; Imran Siddiqi; Shehzad Khalid; Khurram Khurshid (J. Electronic Imaging, 2019)