---
name: "dcunrgb"
section: "1"
platform: "linux"
package: "dicom3tools"
version: "1.00~20240118131615-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/dcunrgb"
---

# dcunrgb(1)

ACR/NEMA DICOM PS3 ... DICOM PS3 - Convert RGB to grayscale file

## NAME

dcunrgb - ACR/NEMA DICOM PS3 ... DICOM PS3 - Convert RGB to grayscale file

## SYNOPSIS

**dcunrgb infile outfile**

## DESCRIPTION

**dcunrgb** reads the named dicom input file that has 3 sample per pixel 8 bit per component RGB pixel data, and copies the header information and pixel data converted to a single channel 8 bit grayscale MONOCHROME2 to a new dicom file, in the explicit VR little endian uncompressed transfer syntax with a meta information header prepended.

## OPTIONS

The verbose output goes to standard error.

There are no options.

## ENVIRONMENT

## EXAMPLES

## FILES

## SEE ALSO

**dcunjpeg(1)**

## AUTHOR

Copyright (c) 1993-2022, David A. Clunie DBA PixelMed Publishing. All rights reserved.

## BUGS

Requires that netpbm utilities, and in particular ppmtopgm, are installed and in the PATH.