Murawski, Krzysztof, Artur Arciuch, and Tadeusz Pustelny. “Study of Distance Range Visual Measurement in the New Depth From Defocus Method”. Photonics Letters of Poland 8, no. 2 (June 30, 2016): pp. 48–50. Accessed November 20, 2024. http://m.photonics.pl/PLP/index.php/letters/article/view/8-18.