Feature Detection Keys

Keys used in the options dictionary for featuresInImage:options:.

Topics

Constants

CIDetectorImageOrientation

An option for the display orientation of the image whose features you want to detect.

CIDetectorEyeBlink

An option for whether Core Image will perform additional processing to recognize closed eyes in detected faces.

CIDetectorSmile

An option for whether Core Image will perform additional processing to recognize smiles in detected faces.

CIDetectorFocalLength

An option identifying the focal length in pixels used in capturing images to be processed by the detector.

CIDetectorAspectRatio

An option specifying the aspect ratio (width divided by height) of rectangles to search for.

CIDetectorReturnSubFeatures

An option specifying whether to return feature information for components of detected features.