1. Automated license plate recognition: A survey on methods and techniques;Shashirangana;IEEE Access,2020
2. Gaussian weighted histogram intersection for license plate classification;Jia,2006
3. License plate detection system by using threshold function and improved template matching method;Yohimori,2004
4. An efficient method of license plate location;Luo,2009
5. A new vertical edge detection algorithm and its application;Al-Ghaili,2008