An investigation of image processing techniques for substrate classification based on dominant grain size using RGB images from UAVArif, Mohammad Shafi M.; Gülch, Eberhard; Tuhtan, Jeffrey Andrew; Thumser, Philipp; Haas, ChristianInternational journal of remote sensing2017 / p. 2639-2661 : ill https://doi.org/10.1080/01431161.2016.1249309 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS