Algorithms for spectral color stimulus reconstruction with a seven-channel multispectral camera. - Stephan Helling; Enrico Seidel; Wolfram Biehlig (CGIV, 2004)

Improvement of Multispectral Image Capture by Compensating for Stray Light. - Stephan Helling (CGIV, 2006)

Multispectral Imaging with Flash Light Sources. - Johannes Brauers; Stephan Helling; Til Aach (CGIV/MCS, 2008)

Broad Band Filter Selection by Approximating Principal Components of Reflectance Spectra. - Stephan Helling (CGIV/MCS, 2008)