An object that processes image analysis requests for each frame in a sequence.
SDKs
Framework
class VNSequenceRequestHandler : NSObject
Instantiate this handler to perform Vision requests on a series of images. Unlike the VNImage, you don't specify the image on creation. Instead, you supply each image frame one by one as you continue to call one of the perform methods.
init()Initializes a sequence request handler.
func perform([VNRequest], on: CGImage)Schedules Vision requests to be performed on a Core Graphics image.
func perform([VNRequest], on: CGImage, orientation: CGImageSchedules one or more Vision requests to be performed on a Core Graphics image with known orientation.
func perform([VNRequest], on: CIImage)Schedules one or more Vision requests to be performed on CIImage data.
func perform([VNRequest], on: CIImage, orientation: CGImageSchedules one or more Vision requests to be performed on CIImage data with known orientation.
func perform([VNRequest], on: CVPixelSchedules one or more Vision requests to be performed on a Core Video pixel buffer.
func perform([VNRequest], on: CVPixelSchedules one or more Vision requests to be performed on a Core Video pixel buffer with known orientation.
func perform([VNRequest], onSchedules one or more Vision requests to be performed on raw image data.
func perform([VNRequest], onSchedules one or more Vision requests to be performed on raw data containing an image with known orientation.
func perform([VNRequest], onSchedules one or more Vision requests to be performed on an image.
func perform([VNRequest], onSchedules one or more Vision requests to be performed on an image with known orientation, at a specific URL.