VNCoreMLRequest

An image-analysis request that uses a Core ML model to process images.

Declaration

class VNCoreMLRequest

The results array of a Core ML-based image analysis request contains a different observation type, depending on the kind of MLModel object you use:

If the model predicts a single feature, the model’s modelDescription object has a non-nil value for predictedFeatureName and Vision treats the model as a classifier. The results are VNClassificationObservation objects.
If the model’s outputs include at least one output with a feature type of MLFeatureType.image, Vision treats that model as an image-to-image model. The results are VNPixelBufferObservation objects.
Otherwise, Vision treats the model as a general predictor model. The results are VNCoreMLFeatureValueObservation objects.