[1]
D. S. Nugroho, I. Ardiyanto, and A. I. Cahyadi, “Real Time Monocular Visual Odometry Using Hybrid Features and Distance Ratio for Scale Estimation”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 8, no. 5, pp. 1934–1940, Oct. 2018.