The minimum height of the text expected to be recognized, relative to the image height.
- iOS 13.0+Beta
- macOS 10.15+Beta
- Mac Catalyst 13.0+Beta
- tvOS 13.0+Beta
Specify a floating-point number relative to the image height. For example, to limit recognition to text that is half of the image height, use
0. Increasing the size reduces memory consumption and expedites recognition with the tradeoff of ignoring text smaller than the minimum height. The default value is 1/32, or