Song, Chull Hwan, Seong Joon Yoo, Chee Sun Won, and Hyoung Gon Kim. “SVM Based Indoor Mixed Outdoor Classification for Digital Photo Annotation in a Ubiquitous Computing Environment”. COMPUTING AND INFORMATICS 27, no. 5 (January 26, 2012): 757–767. Accessed May 3, 2024. https://www.cai.sk/ojs/index.php/cai/article/view/214.