[1] Rafael C. Gonzalez; Richard E. Woods (2008). Digital Image Processing. Prentice Hall. pp. 1–3. ISBN 978-0-13-168728-8.

[2] Joseph P. Hornak, Encyclopedia of Imaging Science and Technology (John Wiley & Sons, 2002) ISBN9780471332763

[3]Suresh Sharma,Alok Pithora,Gaurav Gupta,Mohit Goel,Mohit Sinha “Traffic Light Priority Control For EmergencyVehicle Using RFID”

[4]V.Daniel Hunt,Albert pugila,Mike Pugila “A guide to radio frequency Identificaton”

[5]Vishakha S.Thakare , Snehal R.Jadhav Sananaj G sayyed, Poonam V. Pawar 4