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Table 1 Frequently used symbols

From: Brain medical image diagnosis based on corners with importance-values

Symbols

Meaning

I

An original grayscale image

GI

Normalized grayscale image

Row

The number of the rows in GI

Column

The number of the columns in GI

MTI

Multilayer texture image

θ

A corner response threshold

c

A corner

(m,n)

A corner that is located in the mth row and nth column

C

A corner sequence

Mov(m, n)

Mobility of the corner (m, n)

[ci, cj]

A matched corner pair

CI

An initial matched corner pair sequence

CM

The final matched corner pair sequence

K

The K of the KNN model