Class

VNGenerateObjectnessBasedSaliencyImageRequest

Generates a heat map that identifies the parts of an image most likely to represent objects.

Declaration

@interface VNGenerateObjectnessBasedSaliencyImageRequest : VNImageBasedRequest

Overview

The resulting observation, VNSaliencyImageObservation, encodes this data as a heat map, which you can use to highlight regions of interest.

Topics

Relationships

Inherits From

See Also

Saliency Analysis

Cropping Images Using Saliency

Isolate regions in an image that are most likely to draw people's attention.

VNGenerateAttentionBasedSaliencyImageRequest

Generates a heat map that identifies the parts of an image most likely to draw attention.

VNSaliencyImageObservation

An observation containing a grayscale heat map of important areas across an image.