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# MaxCharHeight

The estimated maximum height of the main characters on the number plate. This parameter is used to detect potential number plates and number plate recognition might still detect and read plates that are larger.

This value can be specified in pixels or as a percentage of the image height, depending on the value of PlateSizeUnit.

When `PlateSizeUnit=Pixel`, you can set `MaxCharHeight=-1` to specify no maximum height (this is equivalent to `MaxCharHeight=100` when `PlateSizeUnit=Percent`).

Type: | Integer
Default: | 96
Required: | No
Configuration Section: | TaskName
Example: | `MaxCharHeight=100`
See Also: | MinCharHeight PlateSizeUnit

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