GMVFeature Class

The Mobile Vision API is deprecated and no longer maintained. It is now a part of ML Kit which includes all new on-device ML capabilities. If you use Mobile Vision in your app today, follow the migration guide.

Public Attributes | Properties

GMVFeature Class Reference

Overview

Generic feature returned by a GMVDetector.

Inherits NSObject.

Inherited by GMVBarcodeFeature, GMVFaceFeature, GMVTextBlockFeature, GMVTextElementFeature, and GMVTextLineFeature.

Public Attributes
NSString *const	GMVFeatureTypeFace
NSString *const	GMVFeatureTypeBarcode
NSString *const	GMVFeatureTypeTextBlock
NSString *const	GMVFeatureTypeTextLine
NSString *const	GMVFeatureTypeTextElement

Property Summary
CGRect	bounds
	The rectangle that holds the discovered feature relative to the detected image in the view coordinate system. More...
NSString *	type
	The type of feature that was discovered. More...
BOOL	hasTrackingID
	Indicates whether the object has a tracking ID. More...
NSUInteger	trackingID
	The tracking identifier of the feature. More...

Member Data Documentation

- (NSString* const) GMVFeatureTypeFace

The discovered feature is a person’s face. Use the GMVFaceFeature class to get more information about the detected feature.

- (NSString* const) GMVFeatureTypeBarcode

The discovered feature is a barcode. Use the GMVBarcodeFeature class to get more information about the detected feature.

- (NSString* const) GMVFeatureTypeTextBlock

The discovered feature is a text block. Use the GMVTextBlockFeature class to get more information about the detected feature.

- (NSString* const) GMVFeatureTypeTextLine

The discovered feature is a text line. Use the GMVTextLineFeature class to get more information about the detected feature.

- (NSString* const) GMVFeatureTypeTextElement

The discovered feature is a text element. Use the GMVTextElementFeature class to get more information about the detected feature.

Property Detail

- (CGRect) bounds

readatomicassign

The rectangle that holds the discovered feature relative to the detected image in the view coordinate system.

- (NSString*) type

readatomiccopy

The type of feature that was discovered.

- (BOOL) hasTrackingID

readatomicassign

Indicates whether the object has a tracking ID.

- (NSUInteger) trackingID

readatomicassign

The tracking identifier of the feature.

This ID is not associated with a specific feature but identifies the same face among consecutive video frames.