Fig 1.
Analysis and classification methodology scheme for pollen identification.
Table 1.
Processing setting of objects analysis for microscopic techniques used.
Table 2.
Comparison of the length of different pollen taxa between microscopy methods and pollen atlases.
Fig 2.
Taxa comparison using microscopic methods, A-Tilia; B-Brassica; C-Robinia; D-Phacelia.
Table 3.
Shape descriptors of pollen grains.
Table 4.
Size depended morphological descriptors.
Table 5.
Complementary morphological descriptors.
Table 6.
Volume descriptors.
Table 7.
Roughness and EDF descriptors.
Fig 3.
Typical exine sculptures of the botanical taxa studied, left–SEM, right–DF.
Table 8.
Texture related colour descriptors of pollen grains.
Table 9.
RGB colour descriptor of pollen grains.
Table 10.
Intensity and HSB colour descriptors of pollen grains.
Fig 4.
Scree plots of factor analysis for different microscopic techniques (BF-bright field, DF-dark field, Ph-phase contrast).
Fig 5.
Ph discrimination analysis (A), confusion matrix for the estimated taxon (B), and eigenvalues table (C).
Fig 6.
DF analysis (A), confusion matrix for the estimated taxon (B), and eigenvalues table (C).
Fig 7.
BF analysis (A), confusion matrix for the estimated taxon (B), and eigenvalues table (C).