Hough Line Detection
Function: Hough Line Detection
Input Parameters:
| Name | Type | Valid Range | Default Value | Meaning |
|---|---|---|---|---|
Input image |
MonoImage |
None |
None |
Grayscale image |
Output Parameters:
| Name | Type | Valid Range | Default Value | Meaning |
|---|---|---|---|---|
Detection results |
DetectInstance |
None |
{} |
Returns bounding boxes, categories, scores and polygon. |
Parameter Settings:
| Name | Type | Valid Range | Default Value | Meaning |
|---|---|---|---|---|
Testing method |
String |
['HoughLinesP', 'HoughLines'] |
HoughLines |
Detection method. |
Threshold |
Integer |
[1, 1000] |
500 |
The threshold parameter of the accumulated count. When the value of the accumulated count of a certain intersection in the parameter space exceeds the threshold, it is considered that the intersection corresponds to a straight line in the image space. |
Min angle |
Float |
[0.0, 360.0] |
0 |
Min angle. |
Max angle |
Float |
[0.0, 360.0] |
180 |
Max angle. |
Minimum linear length |
Float |
[0.0, 1000.0] |
180 |
Minimum linear length. |
Maximum linear clearance |
Float |
[0.0, 1000.0] |
180 |
Maximum linear clearance. |
Line width |
Integer |
[1, 200] |
1 |
Line width. |