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cvUpdateMotionHistory
Calculates the optical flow for two images by using the block matching method.
| Name | Type | Range | Description | |
|---|---|---|---|---|
 |
inSilhouette | Region | Input region of motion | |
|
inMhi | Image | REAL, single-channel motion history image. | |
|
inTimestamp | Real | 0.0 -  |
Current time in milliseconds or other units. |
|
inDuration | Real | 0.0 - |
Maximal duration of the motion track in the same units as timestamp. |
 |
outMhi | Image | Computed motion history. | |
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 | History image must be REAL single-channel in cvUpdateMotionHistory. |
| DomainError | inSilhouette must have this same size as inMhi in cvUpdateMotionHistory. |
Complexity Level
This filter is available on Basic Complexity Level.
