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Module: | OpenCV |
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Perform image denoising using Non-local Means Denoising algorithm.
Name | Type | Range | Description | |
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inImage | Image | Input image | |
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inFilterStrength | Real | 1.0 - ![]() |
Parameter regulating filter strength. Big h value perfectly removes noise but also removes image details, smaller h value preserves details but also preserves some noise. |
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inFilterStrengthColor | Real | 1.0 - ![]() |
The same as filter strength but for color components. For most images value equals 10 will be enough to remove colored noise and do not distort colors. |
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inTemplateWindowSize | Integer | 1 - ![]() |
Size in pixels of the window that is used to compute weighted average for given pixel. Should be odd. Affect performance linearly. |
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inSearchWindowSize | Integer | 1 - ![]() |
Size in pixels of the template patch that is used to compute weights. Should be odd. |
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outResult | Image |
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 |
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DomainError | Input image must have 3 channels in cvFastNlMeansDenoisingColored. |
Complexity Level
This filter is available on Basic Complexity Level.