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Table 2.

Measures used for quantification of dynamics matrix features.

 Mean values $∑x,yfx,y/k2$ Contrast* $∑x,yfx,y−fx+1,y+12$ Sharpness (Brenner operator)** $∑x,y(fx+2,y−fx,y)2+(fx,y+2−fx,y)2$
 Mean values $∑x,yfx,y/k2$ Contrast* $∑x,yfx,y−fx+1,y+12$ Sharpness (Brenner operator)** $∑x,y(fx+2,y−fx,y)2+(fx,y+2−fx,y)2$
*

Derived indirectly from the gray-level co-occurrence matrix.

**

Modified from Treeby et al. (2011).

fx,y = f(x, y), the scalar value of the matrix at column x, row y. k is the number of rows in the matrix.

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