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# VNGenerateOpticalFlowRequest.ComputationAccuracy

The supported optical flow accuracy levels.

```
enum ComputationAccuracy
```

## Overview

The computation time typically increases with accuracy.

## Topics

### Accuracy Levels

[`case low`](/documentation/Vision/VNGenerateOpticalFlowRequest/ComputationAccuracy-swift.enum/low)

Low accuracy.

[`case medium`](/documentation/Vision/VNGenerateOpticalFlowRequest/ComputationAccuracy-swift.enum/medium)

Medium accuracy.

[`case high`](/documentation/Vision/VNGenerateOpticalFlowRequest/ComputationAccuracy-swift.enum/high)

High accuracy.

[`case veryHigh`](/documentation/Vision/VNGenerateOpticalFlowRequest/ComputationAccuracy-swift.enum/veryHigh)

Very high accuracy.

### Creating an Accuracy Level

[`init?(rawValue: UInt)`](/documentation/Vision/VNGenerateOpticalFlowRequest/ComputationAccuracy-swift.enum/init(rawValue:))

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

---

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