ImageLocalMinima
Finds image locations characterized by locally minimal pixel values.
Applications:Detection of characteristic points, usually after some image transformations.
Syntax
C++
C#
Python
def ImageLocalMinima( inImage: Image, /, *, inRoi: Region | None = None, inConsiderLowlands: bool = False, inMinValue: float | None = None, inMaxValue: float | None = None, inMinDistance: float = 0, inMinimaVerification: ImageLocalExtremaVerification | None = None ) -> ( outLocalMinima: list[Extremum2D], outMinimaRegions: list[Region] )
Parameters
| Name | Type | Range | Default | Description | |
|---|---|---|---|---|---|
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inImage | Image | Input image | ||
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inRoi | Region | None | None | Range of pixels to be processed | |
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inConsiderLowlands | bool | False | Consider multi-pixel minima (lowlands) or not | |
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inMinValue | float | None | None | Minimal value of minimum to be considered | |
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inMaxValue | float | None | None | Maximal value of minimum to be considered | |
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inMinDistance | float | 0.0 - ![]() |
0 | Minimal distance between two found minima |
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inMinimaVerification | ImageLocalExtremaVerification | None | None | Minima verification structure | |
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outLocalMinima | list[Extremum2D] | Found local minima | ||
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outMinimaRegions | list[Region] | Regions of local minima (plateaus and singletons) |



