ConvexHull
The ConvexHull block calculates the convex hull of a 2D point set using Sklansky’s algorithm.
Library
ComputerVision/Images/Detection
Description
The ConvexHull block works in conjunction with the Threshold and FindContour blocks to filter out unwanted pixels.
Parameters
| Name | Label | Description | Data Type | Valid Values |
|---|---|---|---|---|
externalActivation | External activation | This parameter defines if the block receives or inherits an external activation. When External Activation is used, an additional activation port is added to the block. Default is OFF. | Number | 0 |
Ports
| Name | Type | Description | IO Type | Number |
|---|---|---|---|---|
countours_in | explicit | input | 1 | |
contours_out | explicit | output | 1 | |
Port 3 | activation | input | externalActivation |