Improvements on coronal hole detection in SDO/AIA images using supervised classificationMartin A. Reiss, Stefan J. Hofmeister, Ruben De Visscher, Manuela Temmer, Astrid M. Veronig, Véronique Delouille, Benjamin Mampaey and Helmut AhammerJ. Space Weather Space Clim., 5 (2015) A23DOI: https://doi.org/10.1051/swsc/2015025