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Table 6 Summary of Euclidean distances between clusters, self-reported scores and cluster populations when L*a*b* colour pixels are clustered

From: The BELT and phenoSEED platforms: shape and colour phenotyping of seed samples

Clustering metric

Example A

Example B

Example C

K-means cluster

 Distance

3.58

11.75

13.52

GMM cluster

 Distance

1.03

10.27

13.09

GMM Average

  Log-likelihood

− 6.90

− 8.50

− 8.89

K-means cluster population

 (Green/Blue)

64% / 36%

51% / 49%

59% / 41%

GMM cluster population

 (Green/Blue)

73% / 27%

53% / 47%

83% / 17%

  1. Example labels refer to Fig. 8. The cluster distances were calculated via \(\Delta\)E* CIEDE2000.GMM: Gaussian mixture model