---
name: "butteraugli_main"
section: "1"
platform: "linux"
package: "libjxl-devtools"
version: "0.11.2-0.1~deb13u2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/butteraugli_main"
---

# butteraugli\_main(1)

butteraugli\_main

## NAME

butteraugli\_main - butteraugli\_main

## SYNOPSIS

**butteraugli\_main** *\<reference\> \<distorted\>*

## DESCRIPTION

-

  \[--distmap \<distmap\>\] \[--rawdistmap \<distmap.pfm\>\] \[--intensity\_target \<intensity\_target\>\] \[--colorspace \<colorspace\_hint\>\] \[--pnorm \<pth norm\>\]

NOTE: images get converted to linear sRGB for butteraugli. Images without attached profiles (such as ppm or pfm) are interpreted as nonlinear sRGB. The hint format is RGB\_D65\_SRG\_Rel\_Lin for linear sRGB. Intensity target is viewing conditions screen nits, defaults to 80 for SDR input.

## AUTHOR

This manual page was written by Mathieu Malaterre \<malat@debian.org\> for the Debian GNU/Linux system (but may be used by others).