---
title: DetectedObjectObservation
framework: vision
role: symbol
role_heading: Structure
path: vision/detectedobjectobservation
---

# DetectedObjectObservation

An observation that provides the position and extent of an image feature that an image-analysis request detects.

## Declaration

```swift
struct DetectedObjectObservation
```

## Overview

Overview This class is the observation type that TrackObjectRequest generates. It represents an object that the Vision request detects and tracks.

## Topics

### Creating an observation

- [init(_:)](vision/detectedobjectobservation/init(_:).md)
- [init(boundingBox:)](vision/detectedobjectobservation/init(boundingbox:).md)

### Inspecting an observation

- [RequestDescriptor](vision/requestdescriptor.md)

## Relationships

### Conforms To

- [BoundingBoxProviding](vision/boundingboxproviding.md)
- [Copyable](swift/copyable.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Decodable](swift/decodable.md)
- [Encodable](swift/encodable.md)
- [Equatable](swift/equatable.md)
- [Escapable](swift/escapable.md)
- [Hashable](swift/hashable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)
- [VisionObservation](vision/visionobservation.md)