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Table 6 The grading decision-making of geometric features

From: Retinal status analysis method based on feature extraction and quantitative grading in OCT images

Grading conditions

Grade

Deformation

\(G_{ref}* b_{3}\le G_{tar}\)

3

Serious

\(G_{tar}\le G_{ref}* a_{3}\)

3

Serious

\(G_{ref}* b_{2}\le G_{tar}< G_{ref}* b_{3}\)

2

Moderate

\(G_{ref}* a_{3} < G_{tar}\le G_{ref}* a_{2}\)

2

Moderate

\(G_{ref}* b_{1}\le G_{tar}< G_{ref}* b_{2}\)

1

Small

\(G_{ref}* a_{2} < G_{tar}\le G_{ref}* a_{1}\)

1

Small

\(G_{ref}* a_{1}< G_{tar}< G_{ref}* b_{1}\)

0

Normal