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idiff(1) OpenImageIO idiff(1)

NAME

idiff -- compare two images

SYNOPSIS

Usage: idiff [options] image1 image2

DESCRIPTION

This program is part of the OpenImageIO (http://www.openimageio.org) tool suite. Detailed documentation is available in pdf format with the OpenImageIO distribution.

OPTIONS

Print help message
Verbose status messages
Quiet (minimal messages)
Compare all subimages/miplevels

Thresholding and comparison options

Failure threshold difference (default: 1e-06)
Allow this percentage of failures (default: 0)
Fail if any one pixel exceeds this error (default: inf)
Warning threshold difference (default: 1e-06)
Allow this percentage of warnings (default: 0)
Warn if any one pixel exceeds this error (default: inf)
Perform perceptual (rather than numeric) comparison

Difference image options

Output difference image
Output image only if nonzero difference
Output image of absolute value, not signed difference
Scale the output image by this factor (default: 1)
04 January 2022