Estimation of the temperature spatial variability in confined spaces based on thermal imagingGrzegorz Augustyn, Jakub Jurasz, Krzysztof Jurczyk, Tomasz Korbiel, Jerzy Mikulik, Marcin Pawlik and Rafał RuminE3S Web Conf., 22 (2017) 00004DOI: https://doi.org/10.1051/e3sconf/20172200004