Banner PresencePLUS P4 EDGE 1.3 Series Uživatelský manuál Strana 117

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Graph Tab
When Edge Strength is selected, the Graph tab appears on the tool window. The graph for the Input tab
overlays both the edge strength graph and the edge profile. In the Graph tab, the edge profile graph and the
edge strength graph are separated for easier viewing.
The top graph, Edge Profile, represents the absolute gray scale level across the Edge tool.
The bottom graph, Edge Strength, represents the change in gray scale along the Edge tool.
Edge Strength detects an edge when the rate of change (solid red line on the screen) crosses the selected
intensity change amount (dashed green lines on the screen).
A bright-to-dark transition has a negative edge strength value, and a dark-to-bright transition has a positive
edge strength value. When the Edge Strength level is adjusted, both the negative and positive lines will adjust
together.
Graph Tab
117Banner Engineering Corp. - Minneapolis, MN USA - www.bannerengineering.com
Tel: 763.544.3164
P/N 000000
PresencePLUS Software Tools7/2009
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