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FitPathToEdges3D

Basic

Module: Vision3DStandard

Performs a series of 1D edge detections in 3D and creates a path from the detected points.

Applications

Tracing of an object contour, whose rough location and shape is known beforehand.
Name Type Range Description
Input value
 inSurface Surface Surface to fit path to
Input value
 inFittingField PathFittingField Path fitting field
Input value
 inFittingFieldAlignment CoordinateSystem2D* Adjusts the fitting field to the position of the inspected object
Input value
 inScanStep Real* 0.0 - Optional implicit conversion of the input path to an equidistant one
Input value
 inSamplingStep Real* 0.0 - Desired distance between consecutive sampling points on the scan segments; if Nil, the bigger of surface X and Y scales is chosen
Input value
 inScanWidth Integer 1 - The width of each scan field (in pixels)
Input value
 inSurfaceInterpolation InterpolationMethod Interpolation method used for extraction of surface points
Input value
 inEdgeScanParams EdgeScanParams3D Parameters controlling the edge extraction process
Input value
 inEdgeSelection Selection Selection mode of edges
Input value
 inLocalBlindness LocalBlindness* Defines conditions in which weaker edges can be detected in the vicinity of stronger edges
Input value
 inMaxProfileGapWidth Integer* 0 - Maximal number of consecutive not existing profile points
Input value
 inMaxPathInterpolationLength Integer* 0 - Maximal number of consecutive points not found
Input value
 inMaxDeviationDelta Real* 0.0 - Maximal difference between deviations of consecutive path points
Input value
 inMaxIncompleteness Real 0.0 - 0.999 Maximal fraction of edge points not found
Output value
 outPath Point3DArray? Fitted path or nothing if the fitting failed
Output value
 outEdges SurfaceEdge1D?Array Found edges
Output value
 outDeviationProfile Profile? Profile of distances between the actual path points and the corresponding reference path points
Output value
 outAlignedFittingField PathFittingField Fitting field used; in the image coordinate system
Output value
 outHeightProfiles ProfileArray Extracted surface height profiles
Output value
 outResponseProfiles ProfileArray Profiles of the edge (derivative) operator response
Output value
 outPathSegments Segment3DArray? Segments of the fitted path or nothing if the fitting failed
Diagnostic input
 diagScanSegments Segment2DArray Segments along which the scans were run
Diagnostic input
 diagSamplingAreas Rectangle2DArray Areas from which the input image is sampled

Hardware Acceleration

This operation supports automatic parallelization for multicore and multiprocessor systems.

Errors

This filter can throw an exception to report error. Read how to deal with errors in Error Handling.

List of possible exceptions:

Error type Description
DomainError Sampling step set to zero in FitPathToEdges3D.

Complexity Level

This filter is available on Basic Complexity Level.

Filter Group

This filter is member of FitPath3D filter group.