1. Bus detection system for blind people using RFID;Al Kalbani,2015
2. Towards a situation awareness design to improve visually impaired orientation in unfamiliar buildings;Alkhanifer,2014
3. Aruco, at: http://iplimage.com/blog/create-markers-aruco/
4. Wearable obstacle detection system fully integrated to textile structures for visually impaired people;Bahadir;Sensors and Actuators A: Physical,2012
5. A navigation aid for blind people;Bousbia-Salah;Journal of Intelligent & Robotic Systems,2011