Multiresolution Approach in Computing NTF. - Arto Kaarna; Alexey Andriyashin; Shigeki Nakauchi; Jussi Parkkinen (SCIA, 2007)

NTF vs. PCA Features for Searching in a Spectral Image Database. - Alexey Andriyashin; Arto Kaarna; Timo Jääskeläinen; Jussi Parkkinen (CGIV/MCS, 2008)

Illuminant dependence of PCA, NMF and NTF in spectral color imaging. - Alexey Andriyashin; Jussi Parkkinen; Timo Jääskeläinen (ICPR, 2008)

Comparing Sampling Methods in Faster Computation of Non-Negative Tensor Factorization of Spectral Images. - Arto Kaarna; Alexey Andriyashin (IGARSS (3), 2008)