A feature's value and its type bundled as a read-only instance.
SDKs
- iOS 11.0+
- macOS 10.13+
- Mac Catalyst 13.0+
- tvOS 11.0+
- watchOS 4.0+
Framework
- Core ML
Declaration
@interface MLFeatureValue : NSObject
Overview
A Core ML feature value, represented by MLFeature, wraps both a data value and its type, represented by MLFeature. For every MLModel prediction, every input feature receives exactly one MLFeature and every output feature produces exactly one MLFeature. (See MLFeature for details about input and output features.)
However, the model and your app don't pass MLFeature instances directly. Instead, your app uses an MLFeature to pass MLFeature instances to the model's input features and another MLFeature to get MLFeature instances from the model's output features.
If you use the dynamically generated interface for your Core ML model, you will use the model input and output interfaces specific to your model, instead of using MLFeature, to manipulate values directly.