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Compares image edges with the edges of a perfect template. Significant differences are considered defects.
Name | Type | Range | Description | |
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inImage | Image | Input image | |
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inGoldenImage | Image | Reference image containing no defects | |
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inRoi | Region* | Range of pixels to be processed | |
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inStaticModel | Bool | Flag indicating whether the model should be created only in the first iteration | |
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inStdDevX | Real | 0.0 - ![]() |
Amount of horizontal smoothing used by the edge filter |
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inStdDevY | Real* | 0.0 - ![]() |
Amount of vertical smoothing used by the edge filter (Auto = inStdDevX) |
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inEdgeThreshold | Real | 0.0 - ![]() |
Sufficient edge strength; edges of that strength will always be detected |
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inEdgeHysteresis | Real | 0.0 - ![]() |
Value by which the edge threshold is decreased for edge points neighboring with sufficiently strong edges |
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inMaxDistance | Integer | 0 - ![]() |
Maximal allowed distance between corresponding edges on the input and golden image |
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outDefects | Region | Region of detected defects | |
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outDefectsPresent | Bool | Flag indicating whether any defects were detected | |
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outMissingEdges | Region | Edges present on the golden image that are missing on the input image | |
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outExcessiveEdges | Region | Edges that are not present on the golden image | |
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outImageEdges | Region | Edges on the input image | |
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outGoldenEdges | Region | Edges on the golden image | |
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outMatchingEdges | Region | Golden edges present on the input image |
Applications
Finding general object defects by analyzing missing or excessive edges.
Complexity Level
This filter is available on Basic Complexity Level.
Filter Group
This filters is member of CompareGoldenTemplate_Deprecated filter group.