---
title: minPixelValue
framework: metalperformanceshaders
role: symbol
role_heading: Instance Property
path: metalperformanceshaders/mpsimagehistograminfo/minpixelvalue
---

# minPixelValue

Specifies the minimum pixel value. Any pixel value less than this will be clipped to this value (for the purposes of histogram calculation), and assigned to the first histogram entry. This minimum value is applied to each of the four channels separately.

## Declaration

```swift
var minPixelValue: vector_float4
```

## See Also

### Fields

- [numberOfHistogramEntries](metalperformanceshaders/mpsimagehistograminfo/numberofhistogramentries.md)
- [histogramForAlpha](metalperformanceshaders/mpsimagehistograminfo/histogramforalpha.md)
- [maxPixelValue](metalperformanceshaders/mpsimagehistograminfo/maxpixelvalue.md)