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Performs a series of 1D edge detections in 3D and finds a circle that best matches the detected points.
Name | Type | Range | Description | |
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inSurface | Surface | Surface to fit the circle to | |
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inFittingField | CircleFittingField | Circle fitting field | |
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inFittingFieldAlignment | CoordinateSystem2D* | Adjusts the fitting field to the position of the inspected object | |
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inScanCount | Integer | 3 - ![]() |
The number of points that will be searched to estimate the position of the circle |
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inScanWidth | Integer | 1 - ![]() |
The width of each scan field (in pixels) |
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inSurfaceInterpolation | InterpolationMethod | Interpolation method used for extraction of surface points | |
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inStripeScanParams | StripeScanParams3D | Parameters controlling the stripe extraction process | |
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inStripeSelection | Selection | Selection mode of stripe | |
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inLocalBlindness | LocalBlindness* | Defines conditions in which weaker edges can be detected in the vicinity of stronger edges | |
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inMaxInterpolationLength | Integer* | 0 - ![]() |
Maximal number of consecutive not existing profile points |
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inMaxIncompleteness | Real | 0.0 - 0.999 | Maximal fraction of stripe points not found |
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inFittingMethod | CircleFittingMethod | Method used to fit a circle | |
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inOutlierSuppression | MEstimator* | Selects a method for ignoring incorrectly detected points | |
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outCircle | Circle3D? | Fitted circle in the middle of founf stripe or nothing if the fitting fails | |
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outInnerCircle | Circle3D? | Fitted inner circle | |
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outOuterCircle | Circle3D? | Fitted outer circle | |
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outStripes | SurfaceStripe1D?Array | Found stripes | |
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outStripePoints | Point3DArray | Extracted points of middle circle of a surface stripe | |
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outDeviationProfile | Profile? | Profile of distances between the actual circle points and the corresponding reference circle points | |
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outAlignedFittingField | CircleFittingField | Fitting field used; in the image coordinate system | |
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diagScanSegments | Segment2DArray | Segments along which the scans were run | |
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diagSamplingAreas | Rectangle2DArray | Areas from which the input image is sampled | |
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diagHeightProfiles | ProfileArray | Extracted surface height profiles | |
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diagResponseProfiles | ProfileArray | Profiles of the edge (derivative) operator response |
Applications
Precise detection of a circular object or hole, whose rough location is known beforehand.
Hardware Acceleration
This operation supports automatic parallelization for multicore and multiprocessor systems.
Complexity Level
This filter is available on Basic Complexity Level.
Filter Group
This filters is member of FitCircle3D filter group.