CHESAPEAKE BAY DIVISION - IAI
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​Group / Spatial Relationship

Plotted Group/Spatial Relationship.
Picture
The red colored markers are used to determine the Relative Positions of the friction ridge features to each other. The blue colored lines are used to determine the Absolute Value of the friction ridge features by counting their intervening ridges.

Group Relationship amongst Friction Ridge Features

The spatial and group relationship of the friction ridge features to each other are determined in two manners.

First, by their 'Absolute Value', which is the ridge count between the features (i.e. 'three intervening ridges').

Second, by the 'Relative Positions' of the friction ridge features to each other (i.e. 'higher', 'lower', 'adjacent to' other features in the latent print impression).

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  • Home
  • About Us
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