Katuk N, Zakaria NH, Ku-Mahamud K-R. Mobile Phone Sensing using the Built-in Camera. Int. J. Interact. Mob. Technol. [Internet]. 2019 Feb. 22 [cited 2024 May 3];13(02):pp. 102-114. Available from: https://online-journals.org/index.php/i-jim/article/view/10166