Pages 12–16 from the book:

Near Infrared Spectroscopy: Proceedings of the 15th International Conference

ISBN: 978-1-920017-56-9

Recognition of PET bottles in highly efficient advanced reverse vending machines by Vis-NIR spectral imaging

F. Hollstein, M. Wohllebe, A. Kulcke, G. Stanzel and S. Bischoff