[digikam] [Bug 349601] New: Compiling digikam with opencv 3.0.0 gives crash but not with opencv 2.x

[Adam Stylinski]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #18 from Adam Stylinski <[hidden email]> ---
I have what looks like 12,014 HaarMatrices:

SELECT COUNT(*) FROM digikam.ImageHaarMatrix;
12014

I'm assuming some of these I had generated prior to updating.  Hopefully OpenCV
didn't modify how these things are serialized...

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #19 from Gilles Caulier <[hidden email]> ---
No HaarMatrix are not generated by libkface, but by digiKam through
FindDupplicates items feature. This has nothing to see with faces managament.

The Faces database is Sqlite3 only located in a dedicated database file. Look
API doc for details :

http://api.kde.org/4.x-api/kdegraphics-apidocs/libs/libkface/libkface/html/index.html

Gilles Caulier

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #20 from Gilles Caulier <[hidden email]> ---
m_histograms dysfunction is certainly due to  haar cascade files from OpenCV
not loaded. But in this case, libkexiv2 must generate a warning in the console.

Also, take a care that harr cascade XML files from openCV 3 can be different
than OpenCV 2, and placed at a different place (OpenCV is a big puzzle).
Perhaps the path to parse from system to find haar cascade files must be patch
to support OpenCV 3.

Note: haar cascades files included in libkface as well are for Windows only, as
under windows, OpenCV 2 do not install these files...

Gilles Caulier

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[Viktor Jancik]

https://bugs.kde.org/show_bug.cgi?id=349601

Viktor Jancik <[hidden email]> changed:

           What    |Removed                     |Added
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        is obsolete|                            |

--- Comment #21 from Viktor Jancik <[hidden email]> ---
Created attachment 94108
  --> https://bugs.kde.org/attachment.cgi?id=94108&action=edit
libkface-15.04.2-opencv3.patch

I messed up. After better inspection, OpenCV_SHARED is a boolean variable,
which is used inside the Config script as an identifier whether OpenCV was
build as a shared library or static. So it has nothing to do with the shared
files path.

I found no other CMake variable pointing to the shared directory so I hardcoded
the path for now. Both OpenCV 2.4 and OpenCV 3 put haarcascades in this folder
on Fedora.

It should definitely find them now. Does that fix the issue?

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #22 from Gilles Caulier <[hidden email]> ---
Victor,

To make whole digiKam Software collection compatible with OpenCV 3, there are 2
others parts to port :

- Kipi-plugins : there are OpenCV API used in RemoveRedEyes tool (can be long
to do but more simpler in all cases than libkface).
- digiKam : in tests code some implementations use OpenCV API (nothing hard to
do). To enable test code compilation with digiKam use -DKDE4_BUILD_TESTS=ON"
cmake flag at configuration time.

Gilles Caulier

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[Adam Stylinski]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #23 from Adam Stylinski <[hidden email]> ---
Welp, at 40% so far (churning on all cores) for detect and recognize option in
kface plugin.  Hasn't crashed yet, we'll see how this turns out.  I chose the
"merge" scan instead of skip (and after forcing the algorithm it retrain,
building a new local database).  

A lot of false positives on the faces, but a lot of true ones too, so I would
say that that portion is working.  Given the size of my training set and the
percentage threshold a specified it unsurprisingly is not trying to tag many of
my images.  It's tagged a few, mostly wrong but a few right, but I may be
expecting way too much from a machine learning technique (having implemented a
few computer vision algorithms myself, I know how finnicky they can be).

I'm guessing this is the status quo with KFace (judging based on the
"experimental" label on the radio button).  Would I be wrong?

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[Viktor Jancik]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #24 from Viktor Jancik <[hidden email]> ---
Adam,

Thank you for your help. Could I ask you for one more test?

Would you try comparing the face recognition in the patched Digikam and
libkface with OpenCV 3 against the original ones with OpenCV 2? That should
decide how badly it's broken.

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[Adam Stylinski]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #25 from Adam Stylinski <[hidden email]> ---
Detection or recognition?  I think it will be hard to determine what degree of
correctness either of them have for recognition considering it's a machine
learning algorithm.  I can give it the same faces to train on but I suspect the
results won't be qualitatively different.  It may need to wait until later in
the week when I have some time in the evening.  Is there a good way to throw
out all of the tags digikam assigned during the recognition phase without
manually going through each person tag and removing the tag?

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[Willy Sudiarto Raharjo]

https://bugs.kde.org/show_bug.cgi?id=349601

Willy Sudiarto Raharjo <[hidden email]> changed:

           What    |Removed                     |Added
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--- Comment #26 from Willy Sudiarto Raharjo <[hidden email]> ---
Hi

If OpenCV 3.0 built with IPP feature turned ON (which is by default, unless
turned OFF with WITH_IPP=OFF), will cause digikam failed to build at linking
process. If IPP feature are turned OFF, digikam can be compiled nicely, but it
will require DIGIKAMSC_COMPILE_LIBKFACE=OFF to be set and this will make
digikam loose it's face detection feature.

I used Viktor's digikam-4.12.0-opencv3.patch to build digiKam in SBo repository
http://slackbuilds.org/cgit/slackbuilds/commit/?h=opencv-review&id=6042dbc90c29beb20290d9a2d5cb92dc44e1480f

i tried to include  libkface-15.04.2-opencv3.patch as well, but it still failed
to build.

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=349601

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
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  Attachment #93709|0                           |1
        is obsolete|                            |

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[Willy Sudiarto Raharjo]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #27 from Willy Sudiarto Raharjo <[hidden email]> ---
Here's the failure point

[  1%] Building CXX object
extra/libkface/libkface/CMakeFiles/kface.dir/facedetector.cpp.o
cd /tmp/SBo/digikam-4.12.0/build/extra/libkface/libkface && /usr/bin/c++  
-DKDE4_CMAKE_TOPLEVEL_DIR_LENGTH=8 -DKDE_DEFAULT_DEBUG_AREA=51005
-DKDE_DEPRECATED_WARNINGS -DMAKE_KFACE_LIB -DQT_NO_CAST_TO_ASCII
-DQT_USE_FAST_CONCATENATION -DQT_USE_FAST_OPERATOR_PLUS -D_BSD_SOURCE
-D_DEFAULT_SOURCE -D_REENTRANT -D_XOPEN_SOURCE=500 -lMagick++-6.Q16
-lMagickWand-6.Q16 -lMagickCore-6.Q16 -Wnon-virtual-dtor -Wno-long-long -Wundef
-Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wformat-security
-fno-exceptions -DQT_NO_EXCEPTIONS -fno-check-new -fno-common
-Woverloaded-virtual -fno-threadsafe-statics -fvisibility=hidden
-Werror=return-type -fvisibility-inlines-hidden -O2 -DNDEBUG -DQT_NO_DEBUG
-fPIC -I/tmp/SBo/digikam-4.12.0/build/extra/libkface/libkface
-I/tmp/SBo/digikam-4.12.0/extra/libkface/libkface
-I/tmp/SBo/digikam-4.12.0/extra/libkface/libkface/database
-I/tmp/SBo/digikam-4.12.0/extra/libkface/libkface/detection
-I/tmp/SBo/digikam-4.12.0/extra/libkface/libkface/recognition-opencv-lbph
-I/tmp/SBo/digikam-4.12.0/extra/libkface/libkface/alignment-congealing
-I/usr/include/KDE -I/usr/lib/qt/include/QtXmlPatterns
-I/usr/lib/qt/include/QtXml -I/usr/lib/qt/include/QtWebKit
-I/usr/lib/qt/include/QtUiTools -I/usr/lib/qt/include/QtTest
-I/usr/lib/qt/include/QtSvg -I/usr/lib/qt/include/QtSql
-I/usr/lib/qt/include/QtScriptTools -I/usr/lib/qt/include/QtScript
-I/usr/lib/qt/include/QtOpenGL -I/usr/lib/qt/include/QtNetwork
-I/usr/lib/qt/include/QtMultimedia -I/usr/lib/qt/include/QtHelp
-I/usr/lib/qt/include/QtDesigner -I/usr/lib/qt/include/QtDeclarative
-I/usr/lib/qt/include/QtDBus -I/usr/lib/qt/include/Qt3Support
-I/usr/lib/qt/include/QtGui -I/usr/lib/qt/include/QtCore
-I/usr/lib/qt/include/Qt -I/usr/lib/qt/mkspecs/default -I/usr/include/opencv  
-fexceptions -UQT_NO_EXCEPTIONS -D_GNU_SOURCE -D_LARGEFILE64_SOURCE
-D_FILE_OFFSET_BITS=64 -o CMakeFiles/kface.dir/facedetector.cpp.o -c
/tmp/SBo/digikam-4.12.0/extra/libkface/libkface/facedetector.cpp
In file included from
/tmp/SBo/digikam-4.12.0/extra/libkface/libkface/detection/opencvfacedetector.h:40:0,
                 from
/tmp/SBo/digikam-4.12.0/extra/libkface/libkface/facedetector.cpp:29:
/tmp/SBo/digikam-4.12.0/build/extra/libkface/libkface/libopencv.h:54:36: fatal
error: opencv2/face/facerec.hpp: No such file or directory
 #include <opencv2/face/facerec.hpp>
                                    ^
compilation terminated.
make[2]: *** [extra/libkface/libkface/CMakeFiles/kface.dir/facedetector.cpp.o]
Error 1
make[2]: Leaving directory `/tmp/SBo/digikam-4.12.0/build'
make[1]: *** [extra/libkface/libkface/CMakeFiles/kface.dir/all] Error 2
make[1]: Leaving directory `/tmp/SBo/digikam-4.12.0/build'
make: *** [all] Error 2

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[Adam Stylinski]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #28 from Adam Stylinski <[hidden email]> ---
It doesn't appear you've applied both patches. Can you paste the output of
your patch command?

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[Willy Sudiarto Raharjo]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #29 from Willy Sudiarto Raharjo <[hidden email]> ---
cat opencv.patch libkface.patch
diff -up digikam-4.12.0/core/app/utils/libopencv.h.opencv3
digikam-4.12.0/core/app/utils/libopencv.h
--- digikam-4.12.0/core/app/utils/libopencv.h.opencv3   2015-08-18
15:32:24.635326685 +0200
+++ digikam-4.12.0/core/app/utils/libopencv.h   2015-08-18 16:51:00.716761209
+0200
@@ -46,17 +46,19 @@

 #define OPENCV_MAKE_VERSION(major,minor,patch) (((major) << 16) | ((minor) <<
8) | (patch))
 #define OPENCV_VERSION                        
OPENCV_MAKE_VERSION(CV_MAJOR_VERSION,CV_MINOR_VERSION,CV_SUBMINOR_VERSION)
-#define OPENCV_TEST_VERSION(major,minor,patch) ( OPENCV_VERSION >=
OPENCV_MAKE_VERSION(major,minor,patch) )
+#define OPENCV_TEST_VERSION(major,minor,patch) ( OPENCV_VERSION <
OPENCV_MAKE_VERSION(major,minor,patch) )

-#if OPENCV_TEST_VERSION(2,3,0)
+#if OPENCV_TEST_VERSION(2,5,0)
 #   include <opencv2/opencv.hpp>
 #   include <opencv2/legacy/compat.hpp>
 #   include <opencv/cvaux.h>
+#   include <opencv2/imgproc/imgproc.hpp>
 #else
 #   include <opencv/cv.h>
 #   include <opencv/cvaux.h>
 #   include <opencv/cxcore.h>
 #   include <opencv/highgui.h>
+#   include <opencv2/imgproc.hpp>
 #endif

 // Restore warnings
diff -up digikam-4.12.0/core/libs/database/imgqsort/imgqsort.cpp.opencv3
digikam-4.12.0/core/libs/database/imgqsort/imgqsort.cpp
--- digikam-4.12.0/core/libs/database/imgqsort/imgqsort.cpp.opencv3    
2015-08-18 17:17:24.003431310 +0200
+++ digikam-4.12.0/core/libs/database/imgqsort/imgqsort.cpp     2015-08-18
17:25:14.761703338 +0200
@@ -284,8 +284,8 @@ void ImgQSort::readImage() const
     mixer.startFilterDirectly();

     d->image.putImageData(mixer.getTargetImage().bits());
-    d->src      = cvCreateMat(d->image.numPixels(), 3, CV_8UC3); // Create a
matrix containing the pixel values of original image
-    d->src_gray = cvCreateMat(d->image.numPixels(), 1, CV_8UC1); // Create a
matrix containing the pixel values of grayscaled image
+    d->src      = Mat(d->image.numPixels(), 3, CV_8UC3); // Create a matrix
containing the pixel values of original image
+    d->src_gray = Mat(d->image.numPixels(), 1, CV_8UC1); // Create a matrix
containing the pixel values of grayscaled image

     if (d->imq.detectNoise)
     {
@@ -660,7 +660,7 @@ int ImgQSort::compressiondetector() cons
     int countblocks      = 0;
     int number_of_blocks = 0;
     int sum              = 0;
-    vector<int> average_bottom, average_middle, average_top;
+    std::vector<int> average_bottom, average_middle, average_top;

     // Go through 8 blocks at a time horizontally
     // iterating through columns.
@@ -797,7 +797,7 @@ int ImgQSort::compressiondetector() cons
 int ImgQSort::exposureamount() const
 {
     /// Separate the image in 3 places ( B, G and R )
-    vector<Mat> bgr_planes;
+    std::vector<Mat> bgr_planes;
     split(d->src, bgr_planes);

     /// Establish the number of bins
diff -up digikam-4.12.0/core/libs/database/imgqsort/imgqsort.h.opencv3
digikam-4.12.0/core/libs/database/imgqsort/imgqsort.h
--- digikam-4.12.0/core/libs/database/imgqsort/imgqsort.h.opencv3      
2015-08-18 17:17:54.923383497 +0200
+++ digikam-4.12.0/core/libs/database/imgqsort/imgqsort.h       2015-08-18
17:27:54.225449446 +0200
@@ -25,6 +25,10 @@
 #ifndef IMGQSORT_H
 #define IMGQSORT_H

+// Global includes
+
+#include <vector>
+
 // Local includes

 #include "dimg.h"
diff -up
digikam-4.12.0/extra/kipi-plugins/removeredeyes/detection/locators/haarclassifier/haarclassifierlocator.cpp.opencv3
digikam-4.12.0/extra/kipi-plugins/removeredeyes/detection/locators/haarclassifier/haarclassifierlocator.cpp
---
digikam-4.12.0/extra/kipi-plugins/removeredeyes/detection/locators/haarclassifier/haarclassifierlocator.cpp.opencv3
2015-08-18 16:06:08.240514617 +0200
+++
digikam-4.12.0/extra/kipi-plugins/removeredeyes/detection/locators/haarclassifier/haarclassifierlocator.cpp
2015-08-18 16:19:07.774476511 +0200
@@ -89,6 +89,13 @@ const QString HaarClassifierLocator::Pri
 const QString
HaarClassifierLocator::Private::configClassifierEntry("Classifier");

 // --------------------------------------------------------
+#if !(OPENCV_TEST_VERSION(2,5,0))
+static void cvFillImage( CvArr* mat, double color)
+{
+    cvSet( mat, cvColorToScalar(color, cvGetElemType(mat)), 0);
+}
+#endif
+

 int HaarClassifierLocator::findPossibleEyes(double csf, int ngf, const char*
classifierFile)
 {
diff -up
digikam-4.12.0/extra/kipi-plugins/removeredeyes/plugin/libopencv.h.opencv3
digikam-4.12.0/extra/kipi-plugins/removeredeyes/plugin/libopencv.h
--- digikam-4.12.0/extra/kipi-plugins/removeredeyes/plugin/libopencv.h.opencv3
2015-08-18 13:43:10.380772123 +0200
+++ digikam-4.12.0/extra/kipi-plugins/removeredeyes/plugin/libopencv.h
2015-08-18 14:18:27.999977347 +0200
@@ -53,12 +53,13 @@

 #define OPENCV_MAKE_VERSION(major,minor,patch) (((major) << 16) | ((minor) <<
8) | (patch))
 #define OPENCV_VERSION                        
OPENCV_MAKE_VERSION(CV_MAJOR_VERSION,CV_MINOR_VERSION,CV_SUBMINOR_VERSION)
-#define OPENCV_TEST_VERSION(major,minor,patch) ( OPENCV_VERSION >=
OPENCV_MAKE_VERSION(major,minor,patch) )
+#define OPENCV_TEST_VERSION(major,minor,patch) ( OPENCV_VERSION <
OPENCV_MAKE_VERSION(major,minor,patch) )

-#if OPENCV_TEST_VERSION(2,3,0)
+#include <opencv2/core/core_c.h>
+
+#if OPENCV_TEST_VERSION(2,5,0)
 #include <opencv2/opencv.hpp>
 #include <opencv2/highgui/highgui_c.h>
-#include <opencv2/core/core_c.h>
 #include <opencv2/legacy/compat.hpp>
 #include <opencv/cvaux.h>
 #else
diff -up
digikam-4.12.0/extra/kipi-plugins/removeredeyes/test/CMakeLists.txt.opencv3
digikam-4.12.0/extra/kipi-plugins/removeredeyes/test/CMakeLists.txt
--- digikam-4.12.0/extra/kipi-plugins/removeredeyes/test/CMakeLists.txt.opencv3
2015-08-18 15:08:31.973733608 +0200
+++ digikam-4.12.0/extra/kipi-plugins/removeredeyes/test/CMakeLists.txt
2015-08-18 15:22:40.113991709 +0200
@@ -4,7 +4,7 @@
 # Redistribution and use is allowed according to the terms of the BSD license.
 # For details see the accompanying COPYING-CMAKE-SCRIPTS file.

-if(NOT WIN32)
+if(NOT WIN32 AND (${OpenCV_VERSION} VERSION_LESS 3.0.0))

     include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../plugin
                         ${CMAKE_CURRENT_SOURCE_DIR}/../libcvblobs

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4e83c8b..e399a25 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,7 +30,7 @@
add_definitions(-DKDE_DEFAULT_DEBUG_AREA=${LIBKFACE_AREA_CODE_GENERAL})
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH}
${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules)

 include(MacroOpenCV)
-DETECT_OPENCV(2.4.9 core highgui objdetect contrib legacy imgproc)
+DETECT_OPENCV(2.4.9 core highgui objdetect face legacy imgproc)

 include_directories(${OpenCV_INCLUDE_DIRS})

diff --git a/cmake/modules/modules_opencv/FindOpenCV.cmake
b/cmake/modules/modules_opencv/FindOpenCV.cmake
index 7580b32..6d3da76 100644
--- a/cmake/modules/modules_opencv/FindOpenCV.cmake
+++ b/cmake/modules/modules_opencv/FindOpenCV.cmake
@@ -173,7 +173,6 @@ find_library(OpenCV_ML_LIBRARY
 find_library(OpenCV_TRS_LIBRARY  
     NAMES trs
     PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} )
-
 #
 # Logic selecting required libs and headers
 #
diff --git a/libkface/detection/opencvfacedetector.cpp
b/libkface/detection/opencvfacedetector.cpp
index 7c420ae..28edeea 100644
--- a/libkface/detection/opencvfacedetector.cpp
+++ b/libkface/detection/opencvfacedetector.cpp
@@ -138,11 +138,12 @@ public:
     {
         // This is a HACK which may break any time. Work around the fact that
getOriginalWindowSize()
         // always returns (0,0) and we need these values.
+/*
         if (oldCascade)
         {
             return oldCascade->orig_window_size;
         }
-
+*/
         return cv::Size(0, 0);
     }

diff --git a/libkface/libopencv.h.cmake.in b/libkface/libopencv.h.cmake.in
index 0a1a958..e70fc0c 100644
--- a/libkface/libopencv.h.cmake.in
+++ b/libkface/libopencv.h.cmake.in
@@ -51,13 +51,11 @@
 #define OPENCV_VERSION                        
OPENCV_MAKE_VERSION(CV_MAJOR_VERSION,CV_MINOR_VERSION,CV_SUBMINOR_VERSION)
 #define OPENCV_TEST_VERSION(major,minor,patch) ( OPENCV_VERSION >=
OPENCV_MAKE_VERSION(major,minor,patch) )

-#include <opencv2/core/core.hpp>
-#include <opencv2/core/internal.hpp>
-#include <opencv2/contrib/contrib.hpp>
+#include <opencv2/face/facerec.hpp>
+#include <opencv2/core.hpp>

 // for old-style code
 #include <opencv2/opencv.hpp>
-#include <opencv2/legacy/compat.hpp>
 #include <opencv2/highgui/highgui_c.h>
 #include <opencv/cvaux.h>

diff --git a/libkface/recognition-opencv-lbph/facerec_borrowed.cpp
b/libkface/recognition-opencv-lbph/facerec_borrowed.cpp
index 935a3d0..11aee02 100644
--- a/libkface/recognition-opencv-lbph/facerec_borrowed.cpp
+++ b/libkface/recognition-opencv-lbph/facerec_borrowed.cpp
@@ -531,14 +531,5 @@ Ptr<LBPHFaceRecognizer> LBPHFaceRecognizer::create(int
radius, int neighbors, in
     return ptr;
 }

-CV_INIT_ALGORITHM(LBPHFaceRecognizer, "FaceRecognizer.LBPH-KFaceIface",
-                  obj.info()->addParam(obj, "radius",     obj.m_radius);
-                  obj.info()->addParam(obj, "neighbors",  obj.m_neighbors);
-                  obj.info()->addParam(obj, "grid_x",     obj.m_grid_x);
-                  obj.info()->addParam(obj, "grid_y",     obj.m_grid_y);
-                  obj.info()->addParam(obj, "threshold",  obj.m_threshold);
-                  obj.info()->addParam(obj, "histograms", obj.m_histograms);  
      // modification: Make Read/Write
-                  obj.info()->addParam(obj, "labels",     obj.m_labels);      
      // modification: Make Read/Write
-                  obj.info()->addParam(obj, "statistic",
obj.m_statisticsMode));    // modification: Add parameter

 } // namespace KFaceIface
diff --git a/libkface/recognition-opencv-lbph/facerec_borrowed.h
b/libkface/recognition-opencv-lbph/facerec_borrowed.h
index dd1ab16..22b14ac 100644
--- a/libkface/recognition-opencv-lbph/facerec_borrowed.h
+++ b/libkface/recognition-opencv-lbph/facerec_borrowed.h
@@ -45,7 +45,7 @@
 namespace KFaceIface
 {

-class LBPHFaceRecognizer : public cv::FaceRecognizer
+class LBPHFaceRecognizer : public cv::face::FaceRecognizer
 {
 public:

@@ -99,8 +99,8 @@ public:

     ~LBPHFaceRecognizer() {}

-    using cv::FaceRecognizer::save;
-    using cv::FaceRecognizer::load;
+    using cv::face::FaceRecognizer::save;
+    using cv::face::FaceRecognizer::load;

     static cv::Ptr<LBPHFaceRecognizer> create(int radius=1, int neighbors=8,
int grid_x=8, int grid_y=8, double threshold = DBL_MAX, PredictionStatistics
statistics = NearestNeighbor);

@@ -139,13 +139,31 @@ public:
     /**
      * Getter functions.
      */
-    int neighbors() const { return m_neighbors; }
-    int radius()    const { return m_radius;    }
-    int grid_x()    const { return m_grid_x;    }
-    int grid_y()    const { return m_grid_y;    }
+    int getNeighbors() const { return m_neighbors; }
+    void setNeighbors(int _neighbors) { m_neighbors = _neighbors; }
+
+    int getRadius()    const { return m_radius;    }
+    void setRadius(int radius) { m_radius = radius; }
+
+    int getGrid_x()    const { return m_grid_x;    }
+    void setGrid_x(int _grid_x) { m_grid_x = _grid_x; }
+
+    int getGrid_y()    const { return m_grid_y;    }
+    void setGrid_y(int _grid_y) { m_grid_y = _grid_y; }
+
+
+    double getThreshold() const { return m_threshold; }
+    void setThreshold(double _threshold) { m_threshold = _threshold; }
+
+    void setHistograms(std::vector<cv::Mat> _histograms) { m_histograms =
_histograms; }
+    std::vector<cv::Mat> getHistograms() const { return m_histograms; }
+
+    void setLabels(cv::Mat _labels) { m_labels = _labels; }
+    cv::Mat getLabels() const { return m_labels; }
+
+    void setStatistic(int _statistic) { m_statisticsMode = _statistic; }
+    int getStatistic() const { return m_statisticsMode; }

-    // NOTE: Implementation done through CV_INIT_ALGORITHM macro from OpenCV.
-    cv::AlgorithmInfo* info() const;

 private:

diff --git a/libkface/recognition-opencv-lbph/lbphfacemodel.cpp
b/libkface/recognition-opencv-lbph/lbphfacemodel.cpp
index af8c6a5..75c5863 100644
--- a/libkface/recognition-opencv-lbph/lbphfacemodel.cpp
+++ b/libkface/recognition-opencv-lbph/lbphfacemodel.cpp
@@ -61,7 +61,7 @@ LBPHFaceModel::LBPHFaceModel()
     : cv::Ptr<LBPHFaceRecognizer>(LBPHFaceRecognizer::create()),
       databaseId(0)
 {
-    ptr()->set("threshold", 100.0);
+    ptr()->setThreshold(100.0);
 }

 LBPHFaceModel::~LBPHFaceModel()
@@ -70,7 +70,7 @@ LBPHFaceModel::~LBPHFaceModel()

 LBPHFaceRecognizer* LBPHFaceModel::ptr()
 {
-    LBPHFaceRecognizer* const ptr = cv::Ptr<LBPHFaceRecognizer>::operator
KFaceIface::LBPHFaceRecognizer*();
+    LBPHFaceRecognizer* const ptr = get();

     if (!ptr)
         kWarning() << "LBPHFaceRecognizer pointer is null";
@@ -80,7 +80,7 @@ LBPHFaceRecognizer* LBPHFaceModel::ptr()

 const LBPHFaceRecognizer* LBPHFaceModel::ptr() const
 {
-    const LBPHFaceRecognizer* const ptr =
cv::Ptr<LBPHFaceRecognizer>::operator const KFaceIface::LBPHFaceRecognizer*();
+    const LBPHFaceRecognizer* const ptr = get();

     if (!ptr)
         kWarning() << "LBPHFaceRecognizer pointer is null";
@@ -90,47 +90,47 @@ const LBPHFaceRecognizer* LBPHFaceModel::ptr() const

 int LBPHFaceModel::radius() const
 {
-    return ptr()->get<int>("radius");
+    return ptr()->getRadius();
 }

 void LBPHFaceModel::setRadius(int radius)
 {
-    ptr()->set("radius", radius);
+    ptr()->setRadius(radius);
 }

 int LBPHFaceModel::neighbors() const
 {
-    return ptr()->get<int>("neighbors");
+    return ptr()->getNeighbors();
 }

 void LBPHFaceModel::setNeighbors(int neighbors)
 {
-    ptr()->set("neighbors", neighbors);
+    ptr()->setNeighbors(neighbors);
 }

 int LBPHFaceModel::gridX() const
 {
-    return ptr()->get<int>("grid_x");
+    return ptr()->getGrid_x();
 }

 void LBPHFaceModel::setGridX(int grid_x)
 {
-    ptr()->set("grid_x", grid_x);
+    ptr()->setGrid_x(grid_x);
 }

 int LBPHFaceModel::gridY() const
 {
-    return ptr()->get<int>("grid_y");
+    return ptr()->getGrid_y();
 }

 void LBPHFaceModel::setGridY(int grid_y)
 {
-    ptr()->set("grid_y", grid_y);
+    ptr()->setGrid_y(grid_y);
 }

 OpenCVMatData LBPHFaceModel::histogramData(int index) const
 {
-    return OpenCVMatData(ptr()->get<std::vector<cv::Mat>
>("histograms").at(index));
+    return OpenCVMatData(ptr()->getHistograms().at(index));
 }

 QList<LBPHistogramMetadata> LBPHFaceModel::histogramMetadata() const
@@ -168,12 +168,12 @@ void LBPHFaceModel::setHistograms(const
QList<OpenCVMatData>& histograms, const
         m_histogramMetadata << metadata;
     }

-    std::vector<cv::Mat> currentHistograms = ptr()->get<std::vector<cv::Mat>
>("histograms");
-    cv::Mat currentLabels                  = ptr()->get<cv::Mat>("labels");
+    std::vector<cv::Mat> currentHistograms = ptr()->getHistograms();
+    cv::Mat currentLabels                  = ptr()->getLabels();
     currentHistograms.insert(currentHistograms.end(), newHistograms.begin(),
newHistograms.end());
     currentLabels.push_back(newLabels);
-    ptr()->set("histograms", currentHistograms);
-    ptr()->set("labels", currentLabels);
+    ptr()->setHistograms(currentHistograms);
+    ptr()->setLabels(currentLabels);

 /*
     //Most cumbersome and inefficient way through a file storage which we were
forced to use if we used standard OpenCV
@@ -215,7 +215,7 @@ void LBPHFaceModel::update(const std::vector<cv::Mat>&
images, const std::vector

     // Update local information
     // We assume new labels are simply appended
-    cv::Mat currentLabels = ptr()->get<cv::Mat>("labels");
+    cv::Mat currentLabels = ptr()->getLabels();

     for (int i = m_histogramMetadata.size() ; i < currentLabels.rows ; i++)
     {

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[Adam Stylinski]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #30 from Adam Stylinski <[hidden email]> ---
Right, those are the patch files, can you give me the output from the patch
command when using these patch files? If the patches applied successfully
and you have all of opencv 3 installed (including the shared libs from the
separate contrib repo), then it should compile without issue. My money says
you are missing opencv-contrib.

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[Willy Sudiarto Raharjo]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #31 from Willy Sudiarto Raharjo <[hidden email]> ---
here's the cmake for opencv
mkdir -p build
cd build
  cmake \
    -DCMAKE_C_FLAGS="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS="$SLKCFLAGS" \
    -DCMAKE_BUILD_TYPE="Release" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DINSTALL_MAN_DIR=man \
    -DINSTALL_DOC_DIR=doc/$PRGNAM-$VERSION \
    -DBUILD_SHARED_LIBS=ON \
    -DENABLE_PRECOMPILED_HEADERS=OFF \
    -DWITH_QT=ON \
    -DWITH_IPP=OFF \
    -DLIB_SUFFIX=$LIBDIRSUFFIX \
    -DLIB_INSTALL_DIR=/usr/lib$LIBDIRSUFFIX \
    ..
  make VERBOSE=1
  make install DESTDIR=$PKG

anything i miss to build opencv-contrib?

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[Willy Sudiarto Raharjo]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #32 from Willy Sudiarto Raharjo <[hidden email]> ---
Ohh they move it to another project : https://github.com/Itseez/opencv_contrib/
i will try to add this on top of my opencv installation and see if it works

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[Willy Sudiarto Raharjo]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #33 from Willy Sudiarto Raharjo <[hidden email]> ---
Hi all

I have tested to build opencv_contrib as part of opencv and rebuilt digiKam
along with  digikam-4.12.0-opencv3.patch and libkface-15.04.2-opencv3.patch and
i confirmed that the face detection is now working again

Thanks to all

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #34 from Gilles Caulier <[hidden email]> ---
Thanks for the feedback to all.

I will review the patch and integrate it to next 4.14.0 release. 4.13.0 is
under packaging for release time.

Gilles Caulier

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=349601

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #94088|0                           |1
        is obsolete|                            |

--- Comment #35 from Gilles Caulier <[hidden email]> ---
Comment on attachment 94088
  --> https://bugs.kde.org/attachment.cgi?id=94088
completed patch

>diff --git a/CMakeLists.txt b/CMakeLists.txt
>index 4e83c8b..e399a25 100644
>--- a/CMakeLists.txt
>+++ b/CMakeLists.txt
>@@ -30,7 +30,7 @@ add_definitions(-DKDE_DEFAULT_DEBUG_AREA=${LIBKFACE_AREA_CODE_GENERAL})
> set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules)
>
> include(MacroOpenCV)
>-DETECT_OPENCV(2.4.9 core highgui objdetect contrib legacy imgproc)
>+DETECT_OPENCV(2.4.9 core highgui objdetect face legacy imgproc)
>
> include_directories(${OpenCV_INCLUDE_DIRS})
>
>diff --git a/cmake/modules/modules_opencv/FindOpenCV.cmake b/cmake/modules/modules_opencv/FindOpenCV.cmake
>index 7580b32..6d3da76 100644
>--- a/cmake/modules/modules_opencv/FindOpenCV.cmake
>+++ b/cmake/modules/modules_opencv/FindOpenCV.cmake
>@@ -173,7 +173,6 @@ find_library(OpenCV_ML_LIBRARY
> find_library(OpenCV_TRS_LIBRARY  
>     NAMES trs
>     PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} )
>-
> #
> # Logic selecting required libs and headers
> #
>diff --git a/libkface/detection/opencvfacedetector.cpp b/libkface/detection/opencvfacedetector.cpp
>index 7c420ae..28edeea 100644
>--- a/libkface/detection/opencvfacedetector.cpp
>+++ b/libkface/detection/opencvfacedetector.cpp
>@@ -138,11 +138,12 @@ public:
>     {
>         // This is a HACK which may break any time. Work around the fact that getOriginalWindowSize()
>         // always returns (0,0) and we need these values.
>+/*
>         if (oldCascade)
>         {
>             return oldCascade->orig_window_size;
>         }
>-
>+*/
>         return cv::Size(0, 0);
>     }
>
>diff --git a/libkface/libopencv.h.cmake.in b/libkface/libopencv.h.cmake.in
>index 0a1a958..e70fc0c 100644
>--- a/libkface/libopencv.h.cmake.in
>+++ b/libkface/libopencv.h.cmake.in
>@@ -51,13 +51,11 @@
> #define OPENCV_VERSION                         OPENCV_MAKE_VERSION(CV_MAJOR_VERSION,CV_MINOR_VERSION,CV_SUBMINOR_VERSION)
> #define OPENCV_TEST_VERSION(major,minor,patch) ( OPENCV_VERSION >= OPENCV_MAKE_VERSION(major,minor,patch) )
>
>-#include <opencv2/core/core.hpp>
>-#include <opencv2/core/internal.hpp>
>-#include <opencv2/contrib/contrib.hpp>
>+#include <opencv2/face/facerec.hpp>
>+#include <opencv2/core.hpp>
>
> // for old-style code
> #include <opencv2/opencv.hpp>
>-#include <opencv2/legacy/compat.hpp>
> #include <opencv2/highgui/highgui_c.h>
> #include <opencv/cvaux.h>
>
>diff --git a/libkface/recognition-opencv-lbph/facerec_borrowed.cpp b/libkface/recognition-opencv-lbph/facerec_borrowed.cpp
>index 935a3d0..11aee02 100644
>--- a/libkface/recognition-opencv-lbph/facerec_borrowed.cpp
>+++ b/libkface/recognition-opencv-lbph/facerec_borrowed.cpp
>@@ -531,14 +531,5 @@ Ptr<LBPHFaceRecognizer> LBPHFaceRecognizer::create(int radius, int neighbors, in
>     return ptr;
> }
>
>-CV_INIT_ALGORITHM(LBPHFaceRecognizer, "FaceRecognizer.LBPH-KFaceIface",
>-                  obj.info()->addParam(obj, "radius",     obj.m_radius);
>-                  obj.info()->addParam(obj, "neighbors",  obj.m_neighbors);
>-                  obj.info()->addParam(obj, "grid_x",     obj.m_grid_x);
>-                  obj.info()->addParam(obj, "grid_y",     obj.m_grid_y);
>-                  obj.info()->addParam(obj, "threshold",  obj.m_threshold);
>-                  obj.info()->addParam(obj, "histograms", obj.m_histograms);         // modification: Make Read/Write
>-                  obj.info()->addParam(obj, "labels",     obj.m_labels);             // modification: Make Read/Write
>-                  obj.info()->addParam(obj, "statistic",  obj.m_statisticsMode));    // modification: Add parameter
>
> } // namespace KFaceIface
>diff --git a/libkface/recognition-opencv-lbph/facerec_borrowed.h b/libkface/recognition-opencv-lbph/facerec_borrowed.h
>index dd1ab16..22b14ac 100644
>--- a/libkface/recognition-opencv-lbph/facerec_borrowed.h
>+++ b/libkface/recognition-opencv-lbph/facerec_borrowed.h
>@@ -45,7 +45,7 @@
> namespace KFaceIface
> {
>
>-class LBPHFaceRecognizer : public cv::FaceRecognizer
>+class LBPHFaceRecognizer : public cv::face::FaceRecognizer
> {
> public:
>
>@@ -99,8 +99,8 @@ public:
>
>     ~LBPHFaceRecognizer() {}
>
>-    using cv::FaceRecognizer::save;
>-    using cv::FaceRecognizer::load;
>+    using cv::face::FaceRecognizer::save;
>+    using cv::face::FaceRecognizer::load;
>
>     static cv::Ptr<LBPHFaceRecognizer> create(int radius=1, int neighbors=8, int grid_x=8, int grid_y=8, double threshold = DBL_MAX, PredictionStatistics statistics = NearestNeighbor);
>
>@@ -139,13 +139,31 @@ public:
>     /**
>      * Getter functions.
>      */
>-    int neighbors() const { return m_neighbors; }
>-    int radius()    const { return m_radius;    }
>-    int grid_x()    const { return m_grid_x;    }
>-    int grid_y()    const { return m_grid_y;    }
>+    int getNeighbors() const { return m_neighbors; }
>+    void setNeighbors(int _neighbors) { m_neighbors = _neighbors; }
>+
>+    int getRadius()    const { return m_radius;    }
>+    void setRadius(int radius) { m_radius = radius; }
>+
>+    int getGrid_x()    const { return m_grid_x;    }
>+    void setGrid_x(int _grid_x) { m_grid_x = _grid_x; }
>+
>+    int getGrid_y()    const { return m_grid_y;    }
>+    void setGrid_y(int _grid_y) { m_grid_y = _grid_y; }
>+
>+
>+    double getThreshold() const { return m_threshold; }
>+    void setThreshold(double _threshold) { m_threshold = _threshold; }
>+
>+    void setHistograms(std::vector<cv::Mat> _histograms) { m_histograms = _histograms; }
>+    std::vector<cv::Mat> getHistograms() const { return m_histograms; }
>+
>+    void setLabels(cv::Mat _labels) { m_labels = _labels; }
>+    cv::Mat getLabels() const { return m_labels; }
>+
>+    void setStatistic(int _statistic) { m_statisticsMode = _statistic; }
>+    int getStatistic() const { return m_statisticsMode; }
>
>-    // NOTE: Implementation done through CV_INIT_ALGORITHM macro from OpenCV.
>-    cv::AlgorithmInfo* info() const;
>
> private:
>
>diff --git a/libkface/recognition-opencv-lbph/lbphfacemodel.cpp b/libkface/recognition-opencv-lbph/lbphfacemodel.cpp
>index af8c6a5..75c5863 100644
>--- a/libkface/recognition-opencv-lbph/lbphfacemodel.cpp
>+++ b/libkface/recognition-opencv-lbph/lbphfacemodel.cpp
>@@ -61,7 +61,7 @@ LBPHFaceModel::LBPHFaceModel()
>     : cv::Ptr<LBPHFaceRecognizer>(LBPHFaceRecognizer::create()),
>       databaseId(0)
> {
>-    ptr()->set("threshold", 100.0);
>+    ptr()->setThreshold(100.0);
> }
>
> LBPHFaceModel::~LBPHFaceModel()
>@@ -70,7 +70,7 @@ LBPHFaceModel::~LBPHFaceModel()
>
> LBPHFaceRecognizer* LBPHFaceModel::ptr()
> {
>-    LBPHFaceRecognizer* const ptr = cv::Ptr<LBPHFaceRecognizer>::operator KFaceIface::LBPHFaceRecognizer*();
>+    LBPHFaceRecognizer* const ptr = get();
>
>     if (!ptr)
>         kWarning() << "LBPHFaceRecognizer pointer is null";
>@@ -80,7 +80,7 @@ LBPHFaceRecognizer* LBPHFaceModel::ptr()
>
> const LBPHFaceRecognizer* LBPHFaceModel::ptr() const
> {
>-    const LBPHFaceRecognizer* const ptr = cv::Ptr<LBPHFaceRecognizer>::operator const KFaceIface::LBPHFaceRecognizer*();
>+    const LBPHFaceRecognizer* const ptr = get();
>
>     if (!ptr)
>         kWarning() << "LBPHFaceRecognizer pointer is null";
>@@ -90,47 +90,47 @@ const LBPHFaceRecognizer* LBPHFaceModel::ptr() const
>
> int LBPHFaceModel::radius() const
> {
>-    return ptr()->get<int>("radius");
>+    return ptr()->getRadius();
> }
>
> void LBPHFaceModel::setRadius(int radius)
> {
>-    ptr()->set("radius", radius);
>+    ptr()->setRadius(radius);
> }
>
> int LBPHFaceModel::neighbors() const
> {
>-    return ptr()->get<int>("neighbors");
>+    return ptr()->getNeighbors();
> }
>
> void LBPHFaceModel::setNeighbors(int neighbors)
> {
>-    ptr()->set("neighbors", neighbors);
>+    ptr()->setNeighbors(neighbors);
> }
>
> int LBPHFaceModel::gridX() const
> {
>-    return ptr()->get<int>("grid_x");
>+    return ptr()->getGrid_x();
> }
>
> void LBPHFaceModel::setGridX(int grid_x)
> {
>-    ptr()->set("grid_x", grid_x);
>+    ptr()->setGrid_x(grid_x);
> }
>
> int LBPHFaceModel::gridY() const
> {
>-    return ptr()->get<int>("grid_y");
>+    return ptr()->getGrid_y();
> }
>
> void LBPHFaceModel::setGridY(int grid_y)
> {
>-    ptr()->set("grid_y", grid_y);
>+    ptr()->setGrid_y(grid_y);
> }
>
> OpenCVMatData LBPHFaceModel::histogramData(int index) const
> {
>-    return OpenCVMatData(ptr()->get<std::vector<cv::Mat> >("histograms").at(index));
>+    return OpenCVMatData(ptr()->getHistograms().at(index));
> }
>
> QList<LBPHistogramMetadata> LBPHFaceModel::histogramMetadata() const
>@@ -168,12 +168,12 @@ void LBPHFaceModel::setHistograms(const QList<OpenCVMatData>& histograms, const
>         m_histogramMetadata << metadata;
>     }
>
>-    std::vector<cv::Mat> currentHistograms = ptr()->get<std::vector<cv::Mat> >("histograms");
>-    cv::Mat currentLabels                  = ptr()->get<cv::Mat>("labels");
>+    std::vector<cv::Mat> currentHistograms = ptr()->getHistograms();
>+    cv::Mat currentLabels                  = ptr()->getLabels();
>     currentHistograms.insert(currentHistograms.end(), newHistograms.begin(), newHistograms.end());
>     currentLabels.push_back(newLabels);
>-    ptr()->set("histograms", currentHistograms);
>-    ptr()->set("labels", currentLabels);
>+    ptr()->setHistograms(currentHistograms);
>+    ptr()->setLabels(currentLabels);
>
> /*
>     //Most cumbersome and inefficient way through a file storage which we were forced to use if we used standard OpenCV
>@@ -215,7 +215,7 @@ void LBPHFaceModel::update(const std::vector<cv::Mat>& images, const std::vector
>
>     // Update local information
>     // We assume new labels are simply appended
>-    cv::Mat currentLabels = ptr()->get<cv::Mat>("labels");
>+    cv::Mat currentLabels = ptr()->getLabels();
>
>     for (int i = m_histogramMetadata.size() ; i < currentLabels.rows ; i++)
>     {

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=349601

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #94358|0                           |1
        is obsolete|                            |

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