Sulej, Wojciech, Krzysztof Murawski, and Tadeusz Pustelny. “Optical Distortion Compensation in the Visual Measurement With the New Depth From Defocus Method”. Photonics Letters of Poland 9, no. 4 (December 31, 2017): pp. 122–124. Accessed June 17, 2024. https://www.photonics.pl/PLP/index.php/letters/article/view/9-44.