Lei Lei, Jianhui Li, Meiqing Liu, Xiaoming Hu, and Ya Zhou. “Shape from Shading and Optical Flow Used for 3-Dimensional Reconstruction of Endoscope Image”. Otolaryngology 1, no. 1 (November 25, 2015): 20–23. Accessed August 26, 2026. https://openventio.us/index.php/OOJ/article/view/2429.