Table 2. Settings for grain reconstruction parameters that control the indexing and growth.

Type	Parameter and symbol	Value	Explanation
Indexing	Minimum completeness, C min	0.30	Indexing is rejected if C < pre-set value
	Maximum acceptable median distance, maxD median	19 pixels	Indexing is rejected if maxD median > pre-set value
Growth	Distance tolerance of completeness weighted centers, maxD center	3 pixels	Stop updating the center of the grown region if distance ≤ maxD center
	δdrop-off	0.02	Accepted into a grown region when