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Table 2 Performance on simulated images of cells with intracellular fibrillar structures

From: CytoSpectre: a tool for spectral analysis of oriented structures on cellular and subcellular levels

 

Error mean ± std

Normalized error mean ± std

Pearson’s r

Mean orientation

1.8128° ± 7.1196°

-

-

Circular variance

−0.0119 ± 0.1427

−0.0119 ± 0.1427

0.5305

Angular std

0.0149 ± 0.1982

0.0106 ± 0.1401

0.5414

Circular skewness

0.0008 ± 0.0311

0.0015 ± 0.0616

0.3432

Circular kurtosis

−0.0509 ± 0.1808

−0.0453 ± 0.1609

0.6500

Wavelength, mean

0.3886 μm ± 0.5756 μm

0.3809 ± 0.5642

0.1681

Wavelength, median

0.2109 μm ± 0.5283 μm

0.2020 ± 0.5061

0.1978

Wavelength, mode

0.0061 μm ± 0.2002 μm

0.0054 ± 0.1778

0.7817

Wavelength, std

0.4912 μm ± 0.4384 μm

2.2042 ± 1.9671

0.0936

  1. Errors (mean ± standard deviation) and Pearson’s linear correlation coefficient between true and estimated values for non-degraded simulated images of the fibril dataset (N = 996) are shown for each parameter. Normalized errors were obtained by dividing the errors by the full range of true values. The normalized error and linear correlation coefficient are not applicable to the mean orientation. Mean orientation error is given as absolute error in degrees