This interface provide functionalities of arc inspection via the gauge. More...
Public Member Functions | |
LPVErrorCode | Detect (ILImage *img, ILAnnulusSectorRegion *region, ILShapeGaugeResult **gaugeResult) |
Public Member Functions inherited from ILObject | |
ILObject * | Copy () |
LPVErrorCode | Load (LString filename) |
void | Reset () |
LPVErrorCode | Save (LString filename) |
BOOL | Valid () |
Additional Inherited Members | |
Properties inherited from ILShapeGauge | |
int | FitCountThreshold [get, set] |
The minimum count of points contribute to a valid fitting result. | |
double | FitDistThreshold [get, set] |
The distance threshold between the result line and a sample point, for filtering the out-lier points. Set to negative value(-1) to bypass the out-lier filtering. | |
int | SampleRegionHeight [get, set] |
The height of the sample region, at least 5 pixels. Please check the Detect() function of individual gauge tool, for either it adopts this property or region's height during inspection. | |
int | SampleRegionInterval [get, set] |
The distance between the centers of two nearby sample regions. | |
int | SampleRegionWidth [get, set] |
The width of the sample region, at least 5 pixels. | |
Properties inherited from ILGauge | |
int | AcceptScore [get, set] |
The accept score used in inspection. It defines the minimum score for identifying the sample point as a valid result. You may pick a proper score with help of the score chart. More... | |
int | KernelSize [get, set] |
The kernel size used in gradient filtering, should be an odd number which is ≥ 3, say 3, 5, 7, etc. | |
int | MaxSamplePointCount [get, set] |
The maximum of sample points to find in each sample region. | |
BOOL | NormScore [get, set] |
Whether we should normalize the score based on maximum gradient or grayscale value in region. | |
LPVPolarity | Polarity [get, set] |
The detection polarity, either object or edge polarity is acceptable. | |
LPVGaugeFeatures | SortBy [get, set] |
The method used to sort all sample point candidates, the top ones are reported as final results. More... | |
LPVFindBy | SortByPosition [get, set] |
Works when SortBy enables LPVGaugeFeaturePosition, prefer either the last, the central or the last ones. More... | |
BOOL | SortByScoreDescending [get, set] |
Works when SortBy enables LPVGaugeFeatureScore. True to sort all sample point candidates descending(from large score to small, aka. prefer the maximum magnitude), false for sorting in ascending order. More... | |
This interface provide functionalities of arc inspection via the gauge.
The arc gauge is used to measure position and size of the imaginary circle formed by the circular edges. Edge points are sampled along the given region using equally spaced point measurement gauges, and then fit to a circle. The start and end point of the result arc is then calculated based on the intersection of the imaginary circle and the region, to get the final result arc.
To use this interface, you should create a LArcGauge object.
LPVErrorCode Detect | ( | ILImage * | img, |
ILAnnulusSectorRegion * | region, | ||
ILShapeGaugeResult ** | gaugeResult | ||
) |
Detect the arc using the arc gauge.
[in] | img | The input image. |
[in] | region | The input region, it should be annulus sector region, the difference between the inner and outer radius is used as the height of the sample region. |
[out] | gaugeResult | Return the gauge result, it contains the result arc. |
error | Return error code if anything is wrong. |