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Parameter Settings
Filter Kernel Half-Width
It is used to enhance the edge and suppress noise, and its min. value is 1. When the edge is
blurred or there is noise interference, you can increase its value to make the detection result
more stable. If the distance between the edge and the edge is smaller than the filter size, it will
affect the accuracy of the edge location or even lose edge. This parameter value needs to be set
based on the actual situation.
Contrast Threshold
It is also called gradient threshold, and its range is from 0 to 255. The edge point whose gradient
threshold is larger than this value can be detected. The larger the value, the stronger noise
resistibility, the smaller the number of edges obtained, and even the target edge points are
filtered out.
Edge 0 Polarity
The polarity of the first edge point. It includes White to Black, Black to White, and Both.
Edge 1 Polarity
The polarity of the second edge point. It includes White to Black, Black to White, and Both.
Searching Direction
It includes Top to Down, and Left to Right.
SC2000 Series Vision Sensor User Manual
Figure 8-26 Find Edge Width
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