Trabecular bone thicknessThis plugin is a specialised implementation of Bob Dougherty's Local Thickness plugin, which defines the thickness at a point as the diameter of the greatest sphere that fits within the structure and which contains the point. The plugin calculates mean and standard deviation of the trabecular thickness (Tb.Th) and trabecular spacing (Tb.Sp) directly from pixel values in the resulting thickness map. The plugin assumes that trabeculae are the foreground (255) of a binarised image. Processing time is heavily dependent on feature size (in pixels); large features can take a very long time to process. In these cases, consider reducing resolution so that each feature is resolved by fewer, larger pixels.

Dougherty R, Kunzelmann K (2007) Computing local thickness of 3D structures with ImageJ. Microsc. Microanal. 13: 1678-1679. doi:10.1017/S1431927607074430.

Hildebrand T, Rüegsegger P (1997) A new method for the model-independent assessment of thickness in three-dimensional images. J. Microsc. 185: 67-75. doi:10.1046/j.1365-2818.1997.1340694.x.

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