HSI 2018, the hyperspectral imaging and applications conference, is held every two years as part of the Photonex exhibition. It is a free conference, supported by the Photonex organisers and sponsors, and is chaired by Professor Stephen Marshall of the Hyperspectral Imaging Centre, University of Strathclyde, UK. JSI—Journal of Spectral Imaging is delighted both to sponsor and to be publishing a Special Issue of papers from the conference. In 2018, the dates are 10 and 11 October and the venue is the Ricoh Arena in Coventry, UK.