opencv

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COPYRIGHT NOTICE, DISCLAIMER, and LICENSE
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=========================================
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PNG Reference Library License version 2
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 * Copyright (c) 1995-2024 The PNG Reference Library Authors.
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 * Copyright (c) 2018-2024 Cosmin Truta.
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 * Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson.
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 * Copyright (c) 1996-1997 Andreas Dilger.
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 * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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The software is supplied "as is", without warranty of any kind,
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express or implied, including, without limitation, the warranties
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of merchantability, fitness for a particular purpose, title, and
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non-infringement.  In no event shall the Copyright owners, or
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anyone distributing the software, be liable for any damages or
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other liability, whether in contract, tort or otherwise, arising
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from, out of, or in connection with the software, or the use or
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other dealings in the software, even if advised of the possibility
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of such damage.
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Permission is hereby granted to use, copy, modify, and distribute
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this software, or portions hereof, for any purpose, without fee,
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subject to the following restrictions:
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 1. The origin of this software must not be misrepresented; you
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    must not claim that you wrote the original software.  If you
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    use this software in a product, an acknowledgment in the product
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    documentation would be appreciated, but is not required.
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 2. Altered source versions must be plainly marked as such, and must
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    not be misrepresented as being the original software.
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 3. This Copyright notice may not be removed or altered from any
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    source or altered source distribution.
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PNG Reference Library License version 1 (for libpng 0.5 through 1.6.35)
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-----------------------------------------------------------------------
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libpng versions 1.0.7, July 1, 2000, through 1.6.35, July 15, 2018 are
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Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson, are
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derived from libpng-1.0.6, and are distributed according to the same
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disclaimer and license as libpng-1.0.6 with the following individuals
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added to the list of Contributing Authors:
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    Simon-Pierre Cadieux
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    Eric S. Raymond
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    Mans Rullgard
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    Cosmin Truta
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    Gilles Vollant
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    James Yu
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    Mandar Sahastrabuddhe
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    Google Inc.
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    Vadim Barkov
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and with the following additions to the disclaimer:
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    There is no warranty against interference with your enjoyment of
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    the library or against infringement.  There is no warranty that our
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    efforts or the library will fulfill any of your particular purposes
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    or needs.  This library is provided with all faults, and the entire
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    risk of satisfactory quality, performance, accuracy, and effort is
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    with the user.
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Some files in the "contrib" directory and some configure-generated
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files that are distributed with libpng have other copyright owners, and
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are released under other open source licenses.
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libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
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Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from
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libpng-0.96, and are distributed according to the same disclaimer and
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license as libpng-0.96, with the following individuals added to the
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list of Contributing Authors:
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    Tom Lane
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    Glenn Randers-Pehrson
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    Willem van Schaik
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libpng versions 0.89, June 1996, through 0.96, May 1997, are
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Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88,
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and are distributed according to the same disclaimer and license as
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libpng-0.88, with the following individuals added to the list of
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Contributing Authors:
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    John Bowler
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    Kevin Bracey
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    Sam Bushell
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    Magnus Holmgren
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    Greg Roelofs
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    Tom Tanner
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Some files in the "scripts" directory have other copyright owners,
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but are released under this license.
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libpng versions 0.5, May 1995, through 0.88, January 1996, are
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Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
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For the purposes of this copyright and license, "Contributing Authors"
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is defined as the following set of individuals:
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    Andreas Dilger
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    Dave Martindale
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    Guy Eric Schalnat
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    Paul Schmidt
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    Tim Wegner
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The PNG Reference Library is supplied "AS IS".  The Contributing
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Authors and Group 42, Inc. disclaim all warranties, expressed or
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implied, including, without limitation, the warranties of
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merchantability and of fitness for any purpose.  The Contributing
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Authors and Group 42, Inc. assume no liability for direct, indirect,
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incidental, special, exemplary, or consequential damages, which may
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result from the use of the PNG Reference Library, even if advised of
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the possibility of such damage.
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Permission is hereby granted to use, copy, modify, and distribute this
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source code, or portions hereof, for any purpose, without fee, subject
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to the following restrictions:
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 1. The origin of this source code must not be misrepresented.
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 2. Altered versions must be plainly marked as such and must not
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    be misrepresented as being the original source.
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 3. This Copyright notice may not be removed or altered from any
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    source or altered source distribution.
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The Contributing Authors and Group 42, Inc. specifically permit,
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without fee, and encourage the use of this source code as a component
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to supporting the PNG file format in commercial products.  If you use
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this source code in a product, acknowledgment is not required but would
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be appreciated.
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