HarrisCorner
The HarrisCorner block detects corner points in an image.
Library
ComputerVision/Images/Detection
Description
It detects corner points in an image. The corner points are highlighted with blue circles.
Parameters
| Name | Label | Description | Data Type | Valid Values |
|---|---|---|---|---|
blockSize | Block Size | Specifies the size of the neighborhood considered for corner detection. | Scalar | |
aperatureSize | Aperature Size | Specifies the aperature parameter of the Sobel derivative. The value you specify must be 1, 3, 5, or 7. | Scalar | |
k | K | Specifies the Harris detector free parameter. The value you specify must be between 0.02 and 0.06. | Scalar | |
threshold | Threshold | Scalar | ||
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 |
|---|---|---|---|---|
src(Grayscale) | explicit | input | 1 | |
circles | explicit | output | 1 | |
Port 3 | activation | input | externalActivation |