---
title: VNContoursObservation
framework: vision
role: symbol
role_heading: Class
path: vision/vncontoursobservation
---

# VNContoursObservation

An object that represents the detected contours in an image.

## Declaration

```swift
class VNContoursObservation
```

## Topics

### Inspecting the Observation

- [contourCount](vision/vncontoursobservation/contourcount.md)
- [normalizedPath](vision/vncontoursobservation/normalizedpath.md)
- [topLevelContours](vision/vncontoursobservation/toplevelcontours.md)
- [topLevelContourCount](vision/vncontoursobservation/toplevelcontourcount.md)
- [contour(at:)](vision/vncontoursobservation/contour(at:)-9on0y.md)
- [contour(at:)](vision/vncontoursobservation/contour(at:)-52odo.md)
- [VNContour](vision/vncontour.md)

## Relationships

### Inherits From

- [VNObservation](vision/vnobservation.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCoding](foundation/nscoding.md)
- [NSCopying](foundation/nscopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [NSSecureCoding](foundation/nssecurecoding.md)
- [VNRequestRevisionProviding](vision/vnrequestrevisionproviding.md)

## See Also

### Accessing the Results

- [results](vision/vndetectcontoursrequest/results.md)