Instance Property

usesCPUOnly

A Boolean signifying that the Vision request should execute exclusively on the CPU.

Declaration

@property(readwrite, nonatomic) BOOL usesCPUOnly;

Discussion

This value defaults to NO to signify that the Vision request is free to leverage the GPU to accelerate its processing.

See Also

Configuring a Request

completionHandler

The completion handler block that’s invoked after the request has finished processing.

preferBackgroundProcessing

A hint to minimize the resource burden of the request.

results

The collection of VNObservation results generated by request processing.

revision

The specific algorithm or implementation revision that’s used to perform the request.