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Merge pull request #24204 from georgthegreat:mser-license

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Properly preserve chi_table license as mandated by BSD-3-Clause #24204

Amend reference to online hosted file with the full license quotation as mandated by the original license.
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Yuriy Chernyshov 2023-09-05 16:05:47 +02:00 committed by GitHub
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commit 2c53e3f53d
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4 changed files with 173 additions and 110 deletions
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135
modules/features2d/3rdparty/mscr/chi_table.h vendored Normal file
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@ -0,0 +1,135 @@
/*
**
** License Agreement
** For chi_table.h
**
** Copyright (C) 2007 Per-Erik Forssen, all rights reserved.
**
** Redistribution and use in source and binary forms, with or without modification,
** are permitted provided that the following conditions are met:
**
** * Redistribution's of source code must retain the above copyright notice,
** this list of conditions and the following disclaimer.
**
** * Redistribution's in binary form must reproduce the above copyright notice,
** this list of conditions and the following disclaimer in the documentation
** and/or other materials provided with the distribution.
**
** * The name of the copyright holders may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** This software is provided by the copyright holders and contributors "as is" and
** any express or implied warranties, including, but not limited to, the implied
** warranties of merchantability and fitness for a particular purpose are disclaimed.
** In no event shall the Intel Corporation or contributors be liable for any direct,
** indirect, incidental, special, exemplary, or consequential damages
** (including, but not limited to, procurement of substitute goods or services;
** loss of use, data, or profits; or business interruption) however caused
** and on any theory of liability, whether in contract, strict liability,
** or tort (including negligence or otherwise) arising in any way out of
** the use of this software, even if advised of the possibility of such damage.
**
** Content origin: http://users.isy.liu.se/cvl/perfo/software/chi_table.h
*/
#define TABLE_SIZE 400
static double chitab3[]={0, 0.0150057, 0.0239478, 0.0315227,
0.0383427, 0.0446605, 0.0506115, 0.0562786,
0.0617174, 0.0669672, 0.0720573, 0.0770099,
0.081843, 0.0865705, 0.0912043, 0.0957541,
0.100228, 0.104633, 0.108976, 0.113261,
0.117493, 0.121676, 0.125814, 0.12991,
0.133967, 0.137987, 0.141974, 0.145929,
0.149853, 0.15375, 0.15762, 0.161466,
0.165287, 0.169087, 0.172866, 0.176625,
0.180365, 0.184088, 0.187794, 0.191483,
0.195158, 0.198819, 0.202466, 0.2061,
0.209722, 0.213332, 0.216932, 0.220521,
0.2241, 0.22767, 0.231231, 0.234783,
0.238328, 0.241865, 0.245395, 0.248918,
0.252435, 0.255947, 0.259452, 0.262952,
0.266448, 0.269939, 0.273425, 0.276908,
0.280386, 0.283862, 0.287334, 0.290803,
0.29427, 0.297734, 0.301197, 0.304657,
0.308115, 0.311573, 0.315028, 0.318483,
0.321937, 0.32539, 0.328843, 0.332296,
0.335749, 0.339201, 0.342654, 0.346108,
0.349562, 0.353017, 0.356473, 0.35993,
0.363389, 0.366849, 0.37031, 0.373774,
0.377239, 0.380706, 0.384176, 0.387648,
0.391123, 0.3946, 0.39808, 0.401563,
0.405049, 0.408539, 0.412032, 0.415528,
0.419028, 0.422531, 0.426039, 0.429551,
0.433066, 0.436586, 0.440111, 0.44364,
0.447173, 0.450712, 0.454255, 0.457803,
0.461356, 0.464915, 0.468479, 0.472049,
0.475624, 0.479205, 0.482792, 0.486384,
0.489983, 0.493588, 0.4972, 0.500818,
0.504442, 0.508073, 0.511711, 0.515356,
0.519008, 0.522667, 0.526334, 0.530008,
0.533689, 0.537378, 0.541075, 0.54478,
0.548492, 0.552213, 0.555942, 0.55968,
0.563425, 0.56718, 0.570943, 0.574715,
0.578497, 0.582287, 0.586086, 0.589895,
0.593713, 0.597541, 0.601379, 0.605227,
0.609084, 0.612952, 0.61683, 0.620718,
0.624617, 0.628526, 0.632447, 0.636378,
0.64032, 0.644274, 0.648239, 0.652215,
0.656203, 0.660203, 0.664215, 0.668238,
0.672274, 0.676323, 0.680384, 0.684457,
0.688543, 0.692643, 0.696755, 0.700881,
0.70502, 0.709172, 0.713339, 0.717519,
0.721714, 0.725922, 0.730145, 0.734383,
0.738636, 0.742903, 0.747185, 0.751483,
0.755796, 0.760125, 0.76447, 0.768831,
0.773208, 0.777601, 0.782011, 0.786438,
0.790882, 0.795343, 0.799821, 0.804318,
0.808831, 0.813363, 0.817913, 0.822482,
0.827069, 0.831676, 0.836301, 0.840946,
0.84561, 0.850295, 0.854999, 0.859724,
0.864469, 0.869235, 0.874022, 0.878831,
0.883661, 0.888513, 0.893387, 0.898284,
0.903204, 0.908146, 0.913112, 0.918101,
0.923114, 0.928152, 0.933214, 0.938301,
0.943413, 0.94855, 0.953713, 0.958903,
0.964119, 0.969361, 0.974631, 0.979929,
0.985254, 0.990608, 0.99599, 1.0014,
1.00684, 1.01231, 1.01781, 1.02335,
1.02891, 1.0345, 1.04013, 1.04579,
1.05148, 1.05721, 1.06296, 1.06876,
1.07459, 1.08045, 1.08635, 1.09228,
1.09826, 1.10427, 1.11032, 1.1164,
1.12253, 1.1287, 1.1349, 1.14115,
1.14744, 1.15377, 1.16015, 1.16656,
1.17303, 1.17954, 1.18609, 1.19269,
1.19934, 1.20603, 1.21278, 1.21958,
1.22642, 1.23332, 1.24027, 1.24727,
1.25433, 1.26144, 1.26861, 1.27584,
1.28312, 1.29047, 1.29787, 1.30534,
1.31287, 1.32046, 1.32812, 1.33585,
1.34364, 1.3515, 1.35943, 1.36744,
1.37551, 1.38367, 1.39189, 1.4002,
1.40859, 1.41705, 1.42561, 1.43424,
1.44296, 1.45177, 1.46068, 1.46967,
1.47876, 1.48795, 1.49723, 1.50662,
1.51611, 1.52571, 1.53541, 1.54523,
1.55517, 1.56522, 1.57539, 1.58568,
1.59611, 1.60666, 1.61735, 1.62817,
1.63914, 1.65025, 1.66152, 1.67293,
1.68451, 1.69625, 1.70815, 1.72023,
1.73249, 1.74494, 1.75757, 1.77041,
1.78344, 1.79669, 1.81016, 1.82385,
1.83777, 1.85194, 1.86635, 1.88103,
1.89598, 1.91121, 1.92674, 1.94257,
1.95871, 1.97519, 1.99201, 2.0092,
2.02676, 2.04471, 2.06309, 2.08189,
2.10115, 2.12089, 2.14114, 2.16192,
2.18326, 2.2052, 2.22777, 2.25101,
2.27496, 2.29966, 2.32518, 2.35156,
2.37886, 2.40717, 2.43655, 2.46709,
2.49889, 2.53206, 2.56673, 2.60305,
2.64117, 2.6813, 2.72367, 2.76854,
2.81623, 2.86714, 2.92173, 2.98059,
3.04446, 3.1143, 3.19135, 3.27731,
3.37455, 3.48653, 3.61862, 3.77982,
3.98692, 4.2776, 4.77167, 133.333 };

28
modules/features2d/3rdparty/mscr/chi_table_LICENSE.txt vendored Normal file
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@ -0,0 +1,28 @@
License Agreement
For chi_table.h
Copyright (C) 2007 Per-Erik Forssen, all rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistribution's of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistribution's in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* The name of the copyright holders may not be used to endorse or promote products
derived from this software without specific prior written permission.
This software is provided by the copyright holders and contributors "as is" and
any express or implied warranties, including, but not limited to, the implied
warranties of merchantability and fitness for a particular purpose are disclaimed.
In no event shall the Intel Corporation or contributors be liable for any direct,
indirect, incidental, special, exemplary, or consequential damages
(including, but not limited to, procurement of substitute goods or services;
loss of use, data, or profits; or business interruption) however caused
and on any theory of liability, whether in contract, strict liability,
or tort (including negligence or otherwise) arising in any way out of
the use of this software, even if advised of the possibility of such damage.

2
modules/features2d/CMakeLists.txt
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@ -7,3 +7,5 @@ if(DEBUG_opencv_features2d)
list(APPEND debug_modules opencv_highgui)
endif()
ocv_define_module(features2d opencv_imgproc ${debug_modules} OPTIONAL opencv_flann WRAP java objc python js)
ocv_install_3rdparty_licenses(mscr "${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/mscr/chi_table_LICENSE.txt")

118
modules/features2d/src/mser.cpp
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@ -30,18 +30,23 @@
* OpenCV functions for MSER extraction
*
* 1. there are two different implementation of MSER, one for gray image, one for color image
* 2. the gray image algorithm is taken from: Linear Time Maximally Stable Extremal Regions;
* 2. the gray image algorithm is taken from:
* Linear Time Maximally Stable Extremal Regions;
* the paper claims to be faster than union-find method;
* it actually get 1.5~2m/s on my centrino L7200 1.2GHz laptop.
* 3. the color image algorithm is taken from: Maximally Stable Colour Regions for Recognition and Match;
* 3. the color image algorithm is taken from:
* Maximally Stable Colour Regions for Recognition and Match;
* it should be much slower than gray image method ( 3~4 times );
* the chi_table.h file is taken directly from paper's source code which is distributed under permissive BSD-like license: http://users.isy.liu.se/cvl/perfo/software/chi_table.h
* the chi_table.h file is taken directly from the paper's source code:
* http://users.isy.liu.se/cvl/perfo/software/chi_table.h
* license (BSD-like) is located in the file: 3rdparty/mscr/chi_table_LICENSE.txt
* 4. though the name is *contours*, the result actually is a list of point set.
*/
#include "precomp.hpp"
#include "opencv2/imgproc/imgproc_c.h"
#include <limits>
#include "../3rdparty/mscr/chi_table.h"
namespace cv
{
@ -613,113 +618,6 @@ the color MSER has not been completely refactored yet. We leave it mostly as-is,
with just enough changes to convert C structures to C++ ones and
add support for color images into MSER_Impl::detectAndLabel.
*/
const int TABLE_SIZE = 400;
static const float chitab3[]=
{
0.f, 0.0150057f, 0.0239478f, 0.0315227f,
0.0383427f, 0.0446605f, 0.0506115f, 0.0562786f,
0.0617174f, 0.0669672f, 0.0720573f, 0.0770099f,
0.081843f, 0.0865705f, 0.0912043f, 0.0957541f,
0.100228f, 0.104633f, 0.108976f, 0.113261f,
0.117493f, 0.121676f, 0.125814f, 0.12991f,
0.133967f, 0.137987f, 0.141974f, 0.145929f,
0.149853f, 0.15375f, 0.15762f, 0.161466f,
0.165287f, 0.169087f, 0.172866f, 0.176625f,
0.180365f, 0.184088f, 0.187794f, 0.191483f,
0.195158f, 0.198819f, 0.202466f, 0.2061f,
0.209722f, 0.213332f, 0.216932f, 0.220521f,
0.2241f, 0.22767f, 0.231231f, 0.234783f,
0.238328f, 0.241865f, 0.245395f, 0.248918f,
0.252435f, 0.255947f, 0.259452f, 0.262952f,
0.266448f, 0.269939f, 0.273425f, 0.276908f,
0.280386f, 0.283862f, 0.287334f, 0.290803f,
0.29427f, 0.297734f, 0.301197f, 0.304657f,
0.308115f, 0.311573f, 0.315028f, 0.318483f,
0.321937f, 0.32539f, 0.328843f, 0.332296f,
0.335749f, 0.339201f, 0.342654f, 0.346108f,
0.349562f, 0.353017f, 0.356473f, 0.35993f,
0.363389f, 0.366849f, 0.37031f, 0.373774f,
0.377239f, 0.380706f, 0.384176f, 0.387648f,
0.391123f, 0.3946f, 0.39808f, 0.401563f,
0.405049f, 0.408539f, 0.412032f, 0.415528f,
0.419028f, 0.422531f, 0.426039f, 0.429551f,
0.433066f, 0.436586f, 0.440111f, 0.44364f,
0.447173f, 0.450712f, 0.454255f, 0.457803f,
0.461356f, 0.464915f, 0.468479f, 0.472049f,
0.475624f, 0.479205f, 0.482792f, 0.486384f,
0.489983f, 0.493588f, 0.4972f, 0.500818f,
0.504442f, 0.508073f, 0.511711f, 0.515356f,
0.519008f, 0.522667f, 0.526334f, 0.530008f,
0.533689f, 0.537378f, 0.541075f, 0.54478f,
0.548492f, 0.552213f, 0.555942f, 0.55968f,
0.563425f, 0.56718f, 0.570943f, 0.574715f,
0.578497f, 0.582287f, 0.586086f, 0.589895f,
0.593713f, 0.597541f, 0.601379f, 0.605227f,
0.609084f, 0.612952f, 0.61683f, 0.620718f,
0.624617f, 0.628526f, 0.632447f, 0.636378f,
0.64032f, 0.644274f, 0.648239f, 0.652215f,
0.656203f, 0.660203f, 0.664215f, 0.668238f,
0.672274f, 0.676323f, 0.680384f, 0.684457f,
0.688543f, 0.692643f, 0.696755f, 0.700881f,
0.70502f, 0.709172f, 0.713339f, 0.717519f,
0.721714f, 0.725922f, 0.730145f, 0.734383f,
0.738636f, 0.742903f, 0.747185f, 0.751483f,
0.755796f, 0.760125f, 0.76447f, 0.768831f,
0.773208f, 0.777601f, 0.782011f, 0.786438f,
0.790882f, 0.795343f, 0.799821f, 0.804318f,
0.808831f, 0.813363f, 0.817913f, 0.822482f,
0.827069f, 0.831676f, 0.836301f, 0.840946f,
0.84561f, 0.850295f, 0.854999f, 0.859724f,
0.864469f, 0.869235f, 0.874022f, 0.878831f,
0.883661f, 0.888513f, 0.893387f, 0.898284f,
0.903204f, 0.908146f, 0.913112f, 0.918101f,
0.923114f, 0.928152f, 0.933214f, 0.938301f,
0.943413f, 0.94855f, 0.953713f, 0.958903f,
0.964119f, 0.969361f, 0.974631f, 0.979929f,
0.985254f, 0.990608f, 0.99599f, 1.0014f,
1.00684f, 1.01231f, 1.01781f, 1.02335f,
1.02891f, 1.0345f, 1.04013f, 1.04579f,
1.05148f, 1.05721f, 1.06296f, 1.06876f,
1.07459f, 1.08045f, 1.08635f, 1.09228f,
1.09826f, 1.10427f, 1.11032f, 1.1164f,
1.12253f, 1.1287f, 1.1349f, 1.14115f,
1.14744f, 1.15377f, 1.16015f, 1.16656f,
1.17303f, 1.17954f, 1.18609f, 1.19269f,
1.19934f, 1.20603f, 1.21278f, 1.21958f,
1.22642f, 1.23332f, 1.24027f, 1.24727f,
1.25433f, 1.26144f, 1.26861f, 1.27584f,
1.28312f, 1.29047f, 1.29787f, 1.30534f,
1.31287f, 1.32046f, 1.32812f, 1.33585f,
1.34364f, 1.3515f, 1.35943f, 1.36744f,
1.37551f, 1.38367f, 1.39189f, 1.4002f,
1.40859f, 1.41705f, 1.42561f, 1.43424f,
1.44296f, 1.45177f, 1.46068f, 1.46967f,
1.47876f, 1.48795f, 1.49723f, 1.50662f,
1.51611f, 1.52571f, 1.53541f, 1.54523f,
1.55517f, 1.56522f, 1.57539f, 1.58568f,
1.59611f, 1.60666f, 1.61735f, 1.62817f,
1.63914f, 1.65025f, 1.66152f, 1.67293f,
1.68451f, 1.69625f, 1.70815f, 1.72023f,
1.73249f, 1.74494f, 1.75757f, 1.77041f,
1.78344f, 1.79669f, 1.81016f, 1.82385f,
1.83777f, 1.85194f, 1.86635f, 1.88103f,
1.89598f, 1.91121f, 1.92674f, 1.94257f,
1.95871f, 1.97519f, 1.99201f, 2.0092f,
2.02676f, 2.04471f, 2.06309f, 2.08189f,
2.10115f, 2.12089f, 2.14114f, 2.16192f,
2.18326f, 2.2052f, 2.22777f, 2.25101f,
2.27496f, 2.29966f, 2.32518f, 2.35156f,
2.37886f, 2.40717f, 2.43655f, 2.46709f,
2.49889f, 2.53206f, 2.56673f, 2.60305f,
2.64117f, 2.6813f, 2.72367f, 2.76854f,
2.81623f, 2.86714f, 2.92173f, 2.98059f,
3.04446f, 3.1143f, 3.19135f, 3.27731f,
3.37455f, 3.48653f, 3.61862f, 3.77982f,
3.98692f, 4.2776f, 4.77167f, 133.333f
};
struct MSCRNode;
struct TempMSCR