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. 2019 Apr 19;21(4):417. doi: 10.3390/e21040417

Algorithm 1: Preprocessing

1

I_{r e m}

= brightBorderArtifactRemoval(

I_{o r i g}

);
2

I_{e x t}

= backgroundExtension(

I_{r e m}

);
3

I_{e x t_{H S I}}

=

I_{e x t}

→ HSI color space;
4

I_{e q_{I}}

=

I_{e x t_{I}}

+

μ

−

I_{e x t_{I}}

∗

h_{m 1}

;
5

I_{e q_{H}}

=

I_{e x t_{H}}

+

μ_{1_{H}}

−

μ_{2_{H}}

;
6

I_{e q_{S}}

=

I_{e x t_{S}}

+

μ_{1_{S}}

−

μ_{2_{S}}

;
7

I_{e q}

= (

I_{e q_{I}}

,

I_{e q_{H}}

,

I_{e q_{S}}

) → RGB color space;
8

I_{d e n}

= meanFilter(

I_{e q}

);
9

I_{p r e p}

= CLAHE(

I_{d e n}

);