remove redundancy opencv libs in samples

Author: wangyida

modules/cnn_3dobj/README.md

@@ -30,7 +30,7 @@ $ sudo make install
 $ cd <opencv_source_directory>
 $ mkdir build
 $ cd build
-$ cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D WITH_TBB=ON -D BUILD_NEW_PYTHON_SUPPORT=OFF -D WITH_V4L=ON -D WITH_QT=OFF -D WITH_OPENGL=ON -D WITH_VTK=ON -D INSTALL_TESTS=ON -D OPENCV_EXTRA_MODULES_PATH=<opencv_contrib>/modules ..
+$ cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D WITH_TBB=ON -D WITH_V4L=ON -D WITH_QT=OFF -D WITH_OPENGL=ON -D WITH_VTK=ON -D INSTALL_TESTS=ON -D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib/modules ..
 $ make -j4
 $ sudo make install
 ```

modules/cnn_3dobj/samples/CMakeLists.txt

@@ -6,16 +6,16 @@ find_package(OpenCV REQUIRED)
 set(SOURCES_generator demo_sphereview_data.cpp)
 include_directories(${OpenCV_INCLUDE_DIRS})
 add_executable(sphereview_test ${SOURCES_generator})
-target_link_libraries(sphereview_test ${OpenCV_LIBS})
+target_link_libraries(sphereview_test opencv_core opencv_imgproc opencv_highgui opencv_cnn_3dobj opencv_xfeatures2d)
 
 set(SOURCES_classifier demo_classify.cpp)
 add_executable(classify_test ${SOURCES_classifier})
-target_link_libraries(classify_test ${OpenCV_LIBS})
+target_link_libraries(classify_test opencv_core opencv_imgproc opencv_highgui opencv_cnn_3dobj opencv_xfeatures2d)
 
 set(SOURCES_modelanalysis demo_model_analysis.cpp)
 add_executable(model_test ${SOURCES_modelanalysis})
-target_link_libraries(model_test ${OpenCV_LIBS})
+target_link_libraries(model_test opencv_core opencv_imgproc opencv_highgui opencv_cnn_3dobj opencv_xfeatures2d)
 
 set(SOURCES_video demo_video.cpp)
 add_executable(video_test ${SOURCES_video})
-target_link_libraries(video_test ${OpenCV_LIBS})
+target_link_libraries(video_test opencv_core opencv_imgproc opencv_highgui opencv_cnn_3dobj opencv_xfeatures2d)

modules/cnn_3dobj/samples/demo_classify.cpp

@@ -37,7 +37,6 @@
  * @brief Feature extraction and classification.
  * @author Yida Wang
  */
-#define HAVE_CAFFE
 #include <opencv2/cnn_3dobj.hpp>
 #include <opencv2/features2d/features2d.hpp>
 #include <iomanip>

modules/cnn_3dobj/samples/demo_model_analysis.cpp

@@ -37,7 +37,6 @@
  * @brief Generating training data for CNN with triplet loss.
  * @author Yida Wang
  */
-#define HAVE_CAFFE
 #include <iostream>
 #include "opencv2/imgproc.hpp"
 #include "opencv2/cnn_3dobj.hpp"

modules/cnn_3dobj/samples/demo_sphereview_data.cpp

@@ -37,7 +37,6 @@
  * @brief Generating training data for CNN with triplet loss.
  * @author Yida Wang
  */
-#define HAVE_CAFFE
 #include <opencv2/cnn_3dobj.hpp>
 #include <opencv2/viz/vizcore.hpp>
 #include <iostream>

modules/cnn_3dobj/samples/demo_video.cpp

@@ -2,7 +2,6 @@
 #include <opencv2/calib3d/calib3d.hpp>
 #include <iostream>
 #include <fstream>
-#define HAVE_CAFFE
 #include <opencv2/cnn_3dobj.hpp>
 #include <opencv2/features2d/features2d.hpp>
 #include <iomanip>