Contents

CIQRCodeFeature

Information about a Quick Response code detected in a still or video image.

Declaration

class CIQRCodeFeature

Overview

A QR code is a two-dimensional barcode using the ISO/IEC 18004:2006 standard. The properties of a CIQRCodeFeature object identify the corners of the barcode in the image perspective and provide the decoded message.

To detect QR codes in an image or video, choose CIDetectorTypeQRCode type when initializing a CIDetector object.

Topics

Locating a Detected Feature

Decoding a Detected Barcode

Identifying the Corners of a Detected Barcode

Initializers

See Also

Image Feature Detection