- Hassan El Bahi and Abdelkarim Zatni : « Text recognition in document images obtained by a smartphone based on deep convolutional and recurrent neural network« . Multimedia Tools and Applications, 2019, vol. 78, no 18, p. 26453–26481
- Hassan El Bahi and Abdelkarim Zatni : « Document text detection in video frames acquired by a Smartphone based on Line Segment Detector and DBSCAN Clustering« . Journal of Engineering Science and Technology, Volume 13, Issue 2.
- Hassan El Bahi and Abdelkarim Zatni : « Segmentation and Recognition of Text Images Acquired by a Mobile Phone ». Published in International Journal of Tomography & Simulation, Volume 30, No 4, 2017, pp. 95-107.
- Hassan El Bahi and Abdelkarim Zatni : « Pre-Processing of Document Images Obtained with a Smartphone ». Published in International Review on Computers and Software, Volume 11, No 12, 2016, pp. 1187-1198.
- Hassan El Bahi, Zouhir Mahani and Abdelkarim Zatni : « A robust system for printed and handwritten character recognition of images obtained by camera phone ». Published in WSEAS Transactions on Signal Processing, Volume 11, 2015, pp. 9-22.