Khleif, D. A., and M. A. Shnawa. “Image Processing Based Object Height Recovery to Reconstruct 3D Objects”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 41, no. 1, Mar. 2018, pp. 40-56, https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/3579.