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comparison Framework/Toolbox/ImageToolbox.h @ 1286:ddb6676bbcbf bugs/2020-02-invisible-slice

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Added Histogram functions (new files: ImageToolbox...)
author Benjamin Golinvaux <bgo@osimis.io>
date Fri, 14 Feb 2020 14:59:32 +0100
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children ea6c2254536d
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1284:1bb54005e2bd 1286:ddb6676bbcbf
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #pragma once
23
24 #include "../StoneEnumerations.h"
25 #include "LinearAlgebra.h"
26
27 #include <Core/Images/ImageAccessor.h>
28
29 namespace OrthancStone
30 {
31
32 /**
33 This structure represents the result of an histogram computation
34
35 bins[0] contains the values in [minValue , minValue + binSize [
36 bins[1] contains the values in [minValue + binSize, minValue + 2*binSize [
37 bins[2] contains the values in [minValue + 2*binSize, minValue + 3*binSize [
38 ...
39 bins[N-1] contains the values in [minValue + (N-1)*binSize, minValue + N*binSize [
40
41 */
42 struct HistogramData
43 {
44 std::vector<size_t> bins;
45 double minValue;
46 double binSize;
47 };
48
49 /**
50 Dumps the supplied histogram to the supplied strings
51 */
52 void DumpHistogramResult(std::string& s, const HistogramData& hd);
53
54 /**
55 This will compute the histogram of the supplied image (count the number of
56 pixels).
57
58 The image must contain arithmetic pixels (that is, having a single component,
59 integer or float). Compound pixel types like RGB, YUV are not supported and
60 will cause this function to throw an exception.
61
62 The range of available values will be split in sets of size `binSize`, and
63 each set will contain the number of pixels in the given bin
64 (see HistogramResult above).
65 */
66 void ComputeHistogram(const Orthanc::ImageAccessor& img,
67 HistogramData& hd, double binSize);
68
69
70 /**
71 Computes the min max values in an image
72 */
73 void ComputeMinMax(const Orthanc::ImageAccessor& img,
74 double& minValue, double& maxValue);
75
76 }
77
78 extern int OrthancStone_Internals_dump_LoadTexture_histogram;