Annotating images with a description of the content can be useful in processing images, by taking into account the scene depicted. We show here that it is possible to relate low-level visual features to semantic photo categories, such as indoor, outdoor and close-up, using CART classifiers. We have designed and experimentally compared several classification strategies, producing a classifier that can provide a reasonably good performance and on generic photographs no matter how acquired.
R. Schettini, C. Brambilla, A. Valsasna, M.De Ponti, "A Indoor/Outdoor/Close-up Photo Classifier" in Proc. IS&T 9th Color and Imaging Conf., 2001, pp 35 - 40, https://doi.org/10.2352/CIC.2001.9.1.art00007