Class

VNDetectBarcodesRequest

An image analysis request that finds and recognizes barcodes in an image.

Overview

By default, a barcode request first locates all barcodes in the input image, then analyzes each to decode payload. To specify or limit the types of barcodes sought in the request, set the symbologies property to an array of barcode types you would like to support.

Topics

Choosing Barcode Types to Detect

var symbologies: [VNBarcodeSymbology]

An array of VNBarcodeSymbology objects that Vision should detect in the image.

class var supportedSymbologies: [VNBarcodeSymbology]

An array of VNBarcodeSymbology objects describing the symbologies that Vision currently supports.

Relationships

Inherits From

Conforms To

See Also

Barcode Detection

struct VNBarcodeSymbology

Symbologies supported by the Vision framework.

class VNBarcodeObservation

Barcode information detected by an image analysis request.