Class

VNClassifyImageRequest

A request to classify an image.

Declaration

@interface VNClassifyImageRequest : VNImageBasedRequest

Overview

This type of request produces a collection of VNClassificationObservation objects that describe an image. Access the classifications through knownClassificationsForRevision:error:.

Topics

Obtaining Classifications

+ knownClassificationsForRevision:error:

Requests the collection of classifications that the Vision framework recognizes.

VNClassificationObservation

Classification information produced by an image analysis request.

Specifying Algorithm Revision

VNClassifyImageRequestRevision1

A constant for specifying revision 1 of the image classification algorithm.

Relationships

Inherits From

See Also

Still Image Analysis

Detecting Objects in Still Images

Locate and demarcate rectangles, faces, barcodes, and text in images using the Vision framework.

VNImageRequestHandler

An object that processes one or more image analysis requests pertaining to a single image.

VNImageBasedRequest

The abstract superclass for image analysis requests that focus on a specific part of an image.

VNGenerateImageFeaturePrintRequest

An image-based request to generate feature prints from an image.

VNRequest

The abstract superclass for analysis requests.

VNObservation

The abstract superclass for analysis results.