The abstract superclass for image analysis requests that focus on a specific part of an image.
SDKs
- iOS 11.0+
- macOS 10.13+
- Mac Catalyst 13.0+
- tvOS 11.0+
Framework
- Vision
Declaration
class VNImageBasedRequest : VNRequest
Overview
Other Vision request handlers that operate on still images inherit from this abstract base class. Don’t use it directly.