test1.icc and test3.icc are from Little CMS, which is

Copyright (c) 2023 Marti Maria Saguer

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject
to the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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sRGB2014.icc, which is embedded in monkey12.jpg, monkey16.png, and
vgl_5674_0098.png, is

Copyright International Color Consortium, 2015

This profile is made available by the International Color Consortium, and may
be copied, distributed, embedded, made, used, and sold without restriction.
Altered versions of this profile shall have the original identification and
copyright information removed and shall not be misrepresented as the original
profile.

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testorig* and testimg* were part of the Independent JPEG Group's software and
are provided under the terms of the IJG License.  (Refer to README.ijg.)

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Other images are provided under the terms of the Modified (3-clause) BSD
License.  (Refer to LICENSE.md.)
