# Thresholding and clipping pixel buffer values Limit the values in a pixel buffer to a threshold or a range. ## Topics ### Clipping [`func clip(to: ClosedRange, destination: vImage.PixelBuffer)`](/documentation/Accelerate/vImage/PixelBuffer/clip(to:destination:)) Clips the values of a 32-bit pixel buffer to the specified bounds. ### Threshold [`func colorThreshold(Float, destination: vImage.PixelBuffer)`](/documentation/Accelerate/vImage/PixelBuffer/colorThreshold(_:destination:)) Creates a binary image from a 32-bit pixel buffer. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)