C.Selvi, K.Mythili, T.Vaishnavi, and S.SadhamHussain. “Detecting Accident and Parking Area”. International Journal of Intellectual Advancements and Research in Engineering Computations, vol. 6, no. 2, Mar. 2018, pp. 1873-7, https://ijiarec.com/ijiarec/article/view/751.