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. 2013 Feb;3(1):5–17. doi: 10.3978/j.issn.2223-4292.2013.01.01

Table 4. The comparison of OMAG and image parameters after applying different methods on one mosaic image. The values are mean values of each parameter in the mosaics (Figure 7G-L).

OMAG parameters
Image parameters
Fractal dimension Density skeleton Density vessel Mean intensity Intensity standard deviation Saturation (%) RMS contrast ENROPY Edge content
No equalization 0.96 0.06 0.33 0.42 0.49 1.16 0.25 0.98 0.07
Contrast stretch 0.95 0.06 0.32 0.39 0.48 0.77 0.25 0.97 0.07
Local histogram equalization 1.01 0.07 0.36 0.46 0.49 1.01 0.31 0.99 0.09
Global histogram equalization 1.14 0.08 0.47 0.75 0.43 5.32 0.24 0.81 0.07
UCLAHE 0.94 0.06 0.33 0.34 0.47 0 0.23 0.92 0.07
RCLAHE 1.02 0.07 0.41 0.39 0.49 0.11 0.23 0.97 0.08