Thermography data fusion and nonnegative matrix factorization for the evaluation of cultural heritage objects and buildings - Yousefi, Bardia; Sfarra, Stefano; Ibarra-Castanedo, Clemente; Avdelidis, Nicolas P.; Maldague, Xavier P. V. (Journal of thermal analysis and calorimetry, 2019)
Keywords: Algorithms; Analytical Chemistry; Archaeology; Arts; Chemistry; Chemistry and Materials Science; Clustering; Covariance; Cultural heritage; Cultural resources; Data integration; Defects; Factor analysis; Factorization; Historical buildings; Inorganic Chemistry; Measurement Science and Instrumentation; Medical research; Multisensor fusion; Nondestructive testing; Painting (Art); Physical Chemistry; Polymer Sciences; Principal components analysis; Segmentation; Technology; Thermography; Wavelet analysis; Negative matrix factorization analysis; Wavelet data fusion; Thermal image segmentation; Clustering; Gradient-descent-based multiplicative rules; Nonnegative least squares (NNLS) active-set algorithm