Vision · IOS API REFERENCE

SmudgeObservation

struct · iOS 26.0+ · SDK 27.1

struct SmudgeObservation

An observation that provides a confidence score indicating the presence of a smudge in an image or video frame capture.

Members (5)

get · iOS 26.0+

confidence

TypeScript

get confidence(): number

Swift declaration

let confidence: Float

The level of confidence in the observation's accuracy of smudge detection on a lens. The framework normalizes this value to [0, 1], where 1 represents a high probability that the lens was smudged at capture time.

get · iOS 26.0+

description

TypeScript

get description(): string

Swift declaration

var description: String { get }

A textual representation of this instance.

get · iOS 26.0+

originatingRequestDescriptor

TypeScript

get originatingRequestDescriptor(): (RequestDescriptor) | null

Swift declaration

let originatingRequestDescriptor: RequestDescriptor?

The descriptor of the request that produced the observation.

get · iOS 26.0+

uuid

TypeScript

get uuid(): string

Swift declaration

let uuid: UUID

The unique identifier for the observation.

get · iOS 26.0+

timeRange

TypeScript

get timeRange(): (_CoreMedia_CMTimeRange) | null

Swift declaration

let timeRange: CMTimeRange?

The time range of the reported observation. When evaluating a sequence of image buffers, use this property to determine each observation’s start time and duration.

Skipped declarations

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