Start » Filter Reference » OpenCV » Structural Analysis and Shape Descriptors » cvApproxPolyDP
Basic| Module: | OpenCV |
|---|
Approximates polygonal curve(s) with the specified precision.
| Name | Type | Range | Description | |
|---|---|---|---|---|
 |
inCurve | Path | Input curve. | |
|
inEpsilon | Real | 0.0 -  |
Parameter specifying the approximation accuracy. This is the maximum distance between the original curve and its approximation. |
|
inClosed | Bool | If true, the approximated curve is closed. Otherwise, it is not closed. | |
 |
outApproxCurve | Path | Approximation of curve. | |
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 | Input curve must not be empty in cvApproxPolyDP. |
Complexity Level
This filter is available on Basic Complexity Level.