Global Variable

CIFeatureTypeRectangle

The discovered feature is a rectangular object, though it might appear in perspective in the image.

Declaration

let CIFeatureTypeRectangle: String

Discussion

Use the CIRectangleFeature class to find more information about the detected feature.

See Also

Feature Types

let CIFeatureTypeFace: String

The discovered feature is a person’s face.

let CIFeatureTypeQRCode: String

The discovered feature is a Quick Response code (2D barcode).

let CIFeatureTypeText: String

The discovered feature is a region likely to contain upright text.