diff --git a/.github/labeler.yml b/.github/labeler.yml
index 1fb12bf6b..cfee42ee1 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -16,7 +16,6 @@ ci:
 core:
   - "modules/core/**"
 samples:
-  - "1stsamples/**"
   - "modules/ref/**"
 3rdparty:
   - "3rdparty/**"
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index aec57b388..4a7efde44 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -63,9 +63,9 @@ jobs:
       env:
         CC: gcc-13
         CXX: g++-13
-    - name: Ninja build
+    - name: Build project
       run: |
-        cmake --build build
+        cmake --build build --parallel
       env:
         CC: gcc-13
         CXX: g++-13
@@ -142,9 +142,9 @@ jobs:
       env:
         CC: gcc-13
         CXX: g++-13
-    - name: Ninja build
+    - name: Build project
       run: |
-        cmake --build build
+        cmake --build build --parallel
       env:
         CC: gcc-13
         CXX: g++-13
@@ -214,9 +214,9 @@ jobs:
       env:
         CC: clang-19
         CXX: clang++-19
-    - name: Ninja build
+    - name: Build project
       run: |
-        cmake --build build
+        cmake --build build --parallel
       env:
         CC: clang-19
         CXX: clang++-19
@@ -293,9 +293,9 @@ jobs:
       env:
         CC: clang-19
         CXX: clang++-19
-    - name: Ninja build
+    - name: Build project
       run: |
-        cmake --build build
+        cmake --build build --parallel
       env:
         CC: clang-19
         CXX: clang++-19
@@ -364,9 +364,9 @@ jobs:
       env:
         CC: clang-19
         CXX: clang++-19
-    - name: Ninja build
+    - name: Build project
       run: |
-        cmake --build build
+        cmake --build build --parallel
       env:
         CC: clang-19
         CXX: clang++-19
@@ -430,9 +430,9 @@ jobs:
       env:
         CC: clang-19
         CXX: clang++-19
-    - name: Ninja build
+    - name: Build project
       run: |
-        cmake --build build
+        cmake --build build --parallel
       env:
         CC: clang-19
         CXX: clang++-19
@@ -505,9 +505,9 @@ jobs:
         -G Ninja -D USE_SEQ=ON -D USE_MPI=ON -D USE_OMP=ON -D USE_TBB=ON -D USE_STL=ON
         -DCMAKE_C_FLAGS="-I$(brew --prefix)/opt/libomp/include" -DCMAKE_CXX_FLAGS="-I$(brew --prefix)/opt/libomp/include"
         -D CMAKE_BUILD_TYPE=RELEASE -D USE_FUNC_TESTS=ON -D USE_PERF_TESTS=ON
-    - name: Ninja build
+    - name: Build project
       run: |
-        cmake --build build
+        cmake --build build --parallel
     - name: Run func tests (MPI, num_proc=1)
       run: |
         source scripts/run_mpi.sh
@@ -576,9 +576,9 @@ jobs:
         -G Ninja -D USE_SEQ=ON -D USE_MPI=ON -D USE_OMP=ON -D USE_TBB=ON -D USE_STL=ON
         -DCMAKE_C_FLAGS="-I$(brew --prefix)/opt/libomp/include" -DCMAKE_CXX_FLAGS="-I$(brew --prefix)/opt/libomp/include"
         -D CMAKE_BUILD_TYPE=RELEASE -D USE_FUNC_TESTS=ON -D USE_PERF_TESTS=ON
-    - name: Ninja build
+    - name: Build project
       run: |
-        cmake --build build
+        cmake --build build --parallel
     - name: Run tests (threads, num_threads=5)
       run: source scripts/run_threads.sh
       env:
@@ -650,7 +650,7 @@ jobs:
         -D USE_SEQ=ON -D USE_MPI=ON -D USE_OMP=ON -D USE_TBB=ON -D USE_STL=ON
         -D USE_FUNC_TESTS=ON -D USE_PERF_TESTS=ON
         -D CMAKE_BUILD_TYPE=RELEASE
-    - name: MSBuild
+    - name: Build project
       shell: bash
       run: |
         cmake --build build --config Release --parallel
@@ -708,7 +708,7 @@ jobs:
         -D USE_SEQ=ON -D USE_MPI=ON -D USE_OMP=ON -D USE_TBB=ON -D USE_STL=ON
         -D USE_FUNC_TESTS=ON -D USE_PERF_TESTS=ON
         -D CMAKE_BUILD_TYPE=RELEASE
-    - name: MSBuild
+    - name: Build project
       shell: bash
       run: |
         cmake --build build --config Release --parallel
@@ -766,14 +766,14 @@ jobs:
       uses: ilammy/msvc-dev-cmd@v1
     - name: CMake configure
       run: >
-        cmake -S . -B build -GNinja -D CMAKE_C_COMPILER=clang-cl -DCMAKE_CXX_COMPILER=clang-cl
+        cmake -S . -B build -D CMAKE_C_COMPILER=clang-cl -DCMAKE_CXX_COMPILER=clang-cl
         -D USE_SEQ=ON -D USE_MPI=OFF -D USE_OMP=OFF -D USE_TBB=ON -D USE_STL=ON
         -D USE_FUNC_TESTS=ON -D USE_PERF_TESTS=ON
         -D CMAKE_BUILD_TYPE=RELEASE
       env:
         CC: clang-cl
         CXX: clang-cl
-    - name: Ninja build
+    - name: Build project
       run: |
         cmake --build build --config Release --parallel -v
       env:
@@ -820,14 +820,14 @@ jobs:
       uses: ilammy/msvc-dev-cmd@v1
     - name: CMake configure
       run: >
-        cmake -S . -B build -GNinja -D CMAKE_C_COMPILER=clang-cl -DCMAKE_CXX_COMPILER=clang-cl
+        cmake -S . -B build -D CMAKE_C_COMPILER=clang-cl -DCMAKE_CXX_COMPILER=clang-cl
         -D USE_SEQ=ON -D USE_MPI=OFF -D USE_OMP=OFF -D USE_TBB=ON -D USE_STL=ON
         -D USE_FUNC_TESTS=ON -D USE_PERF_TESTS=ON
         -D CMAKE_BUILD_TYPE=RELEASE
       env:
         CC: clang-cl
         CXX: clang-cl
-    - name: Ninja build
+    - name: Build project
       run: |
         cmake --build build --config Release --parallel -v
       env:
@@ -906,7 +906,7 @@ jobs:
         -D CMAKE_BUILD_TYPE=RELEASE
         -D CMAKE_VERBOSE_MAKEFILE=ON
         -D USE_COVERAGE=ON
-    - name: Ninja build
+    - name: Build project
       run: |
         cmake --build build --parallel
     - name: Run tests (MPI)
@@ -994,9 +994,9 @@ jobs:
       env:
         CC: gcc-12
         CXX: g++-12
-    - name: Ninja build
+    - name: Build project
       run: |
-        cmake --build build
+        cmake --build build --parallel
       env:
         CC: gcc-12
         CXX: g++-12
diff --git a/.gitmodules b/.gitmodules
index ec1da98db..9f0c5e6c3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "3rdparty/onetbb"]
 	path = 3rdparty/onetbb
 	url = https://github.com/uxlfoundation/oneTBB
+[submodule "3rdparty/opencv"]
+	path = 3rdparty/opencv
+	url = https://github.com/opencv/opencv
diff --git a/1stsamples/CMakeLists.txt b/1stsamples/CMakeLists.txt
deleted file mode 100644
index dda80e6c9..000000000
--- a/1stsamples/CMakeLists.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-message(STATUS "First samples")
-
-SUBDIRLIST(subdirs ${CMAKE_CURRENT_SOURCE_DIR})
-
-foreach(subd ${subdirs})
-  add_subdirectory(${subd})
-endforeach()
diff --git a/1stsamples/mpi/CMakeLists.txt b/1stsamples/mpi/CMakeLists.txt
deleted file mode 100644
index ad0a0d998..000000000
--- a/1stsamples/mpi/CMakeLists.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-get_filename_component(Project_ID ${CMAKE_CURRENT_SOURCE_DIR} NAME)
-set(Project_ID "sample_${Project_ID}")
-message( STATUS "-- " ${Project_ID} )
-
-if(USE_MPI)
-    add_executable( ${Project_ID} main.cpp )
-
-    if(MPI_COMPILE_FLAGS)
-        set_target_properties( ${Project_ID} PROPERTIES COMPILE_FLAGS "${MPI_COMPILE_FLAGS}" )
-    endif(MPI_COMPILE_FLAGS)
-
-    if(MPI_LINK_FLAGS)
-        set_target_properties( ${Project_ID} PROPERTIES LINK_FLAGS "${MPI_LINK_FLAGS}" )
-    endif(MPI_LINK_FLAGS)
-
-    target_link_libraries(${Project_ID} ${MPI_LIBRARIES})
-endif()
\ No newline at end of file
diff --git a/1stsamples/mpi/main.cpp b/1stsamples/mpi/main.cpp
deleted file mode 100644
index 638a2c005..000000000
--- a/1stsamples/mpi/main.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-#include <mpi.h>
-
-#include <iostream>
-
-int main(int argc, char** argv) {
-  MPI_Init(&argc, &argv);
-
-  int world_size;
-  MPI_Comm_size(MPI_COMM_WORLD, &world_size);
-
-  int world_rank;
-  MPI_Comm_rank(MPI_COMM_WORLD, &world_rank);
-
-  char processor_name[MPI_MAX_PROCESSOR_NAME];
-  int len_chars;
-  MPI_Get_processor_name(processor_name, &len_chars);
-
-  MPI_Barrier(MPI_COMM_WORLD);
-  std::cout << "Processor = " << processor_name << '\n';
-  std::cout << "Rank = " << world_rank << '\n';
-  std::cout << "Number of processors = " << world_size << '\n';
-
-  MPI_Finalize();
-  return 0;
-}
\ No newline at end of file
diff --git a/1stsamples/mpi_boost/CMakeLists.txt b/1stsamples/mpi_boost/CMakeLists.txt
deleted file mode 100644
index a9ad9a4a9..000000000
--- a/1stsamples/mpi_boost/CMakeLists.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-get_filename_component(Project_ID ${CMAKE_CURRENT_SOURCE_DIR} NAME)
-set(Project_ID "sample_${Project_ID}")
-message( STATUS "-- " ${Project_ID} )
-
-if(USE_MPI)
-    add_executable( ${Project_ID} main.cpp )
-
-    if (MPI_COMPILE_FLAGS)
-        set_target_properties( ${Project_ID} PROPERTIES COMPILE_FLAGS "${MPI_COMPILE_FLAGS}" )
-    endif (MPI_COMPILE_FLAGS)
-
-    if (MPI_LINK_FLAGS)
-        set_target_properties( ${Project_ID} PROPERTIES LINK_FLAGS "${MPI_LINK_FLAGS}" )
-    endif (MPI_LINK_FLAGS)
-
-    target_link_libraries(${Project_ID} PUBLIC ${MPI_LIBRARIES})
-    add_dependencies(${Project_ID} ppc_boost)
-    target_link_directories(${Project_ID} PUBLIC ${CMAKE_BINARY_DIR}/ppc_boost/install/lib)
-    if (NOT MSVC)
-        target_link_libraries(${Project_ID} PUBLIC boost_mpi)
-    endif ()
-endif()
diff --git a/1stsamples/mpi_boost/main.cpp b/1stsamples/mpi_boost/main.cpp
deleted file mode 100644
index 86a42f516..000000000
--- a/1stsamples/mpi_boost/main.cpp
+++ /dev/null
@@ -1,19 +0,0 @@
-#include <mpi.h>
-
-#include <boost/mpi/communicator.hpp>
-#include <boost/mpi/environment.hpp>
-#include <iostream>
-#include <string>
-
-// https://www.boost.org/doc/libs/1_68_0/doc/html/mpi/tutorial.html
-int main(int argc, char** argv) {
-  boost::mpi::environment env(argc, argv);
-  boost::mpi::communicator world;
-
-  world.barrier();
-  std::cout << "Processor = " << boost::mpi::environment::processor_name() << '\n';
-  std::cout << "Rank = " << world.rank() << '\n';
-  std::cout << "Number of processors = " << world.size() << '\n';
-
-  return 0;
-}
diff --git a/1stsamples/omp/CMakeLists.txt b/1stsamples/omp/CMakeLists.txt
deleted file mode 100644
index 7cfc5320b..000000000
--- a/1stsamples/omp/CMakeLists.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-get_filename_component(Project_ID ${CMAKE_CURRENT_SOURCE_DIR} NAME)
-set(Project_ID "sample_${Project_ID}")
-message( STATUS "-- " ${Project_ID} )
-
-if(USE_OMP)
-    add_executable( ${Project_ID} main.cpp )
-    target_link_libraries(${Project_ID} PUBLIC ${OpenMP_libomp_LIBRARY})
-endif()
\ No newline at end of file
diff --git a/1stsamples/omp/main.cpp b/1stsamples/omp/main.cpp
deleted file mode 100644
index 7b44a37d3..000000000
--- a/1stsamples/omp/main.cpp
+++ /dev/null
@@ -1,12 +0,0 @@
-#include <omp.h>
-
-#include <iostream>
-
-int main() {
-#pragma omp parallel
-  {
-    std::cout << "Thread number = " << omp_get_thread_num() << '\n';
-    std::cout << "Number of threads = " << omp_get_num_threads() << '\n';
-  }
-  return 0;
-}
\ No newline at end of file
diff --git a/1stsamples/stl/CMakeLists.txt b/1stsamples/stl/CMakeLists.txt
deleted file mode 100644
index 342002f92..000000000
--- a/1stsamples/stl/CMakeLists.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-get_filename_component(Project_ID ${CMAKE_CURRENT_SOURCE_DIR} NAME)
-set(Project_ID "sample_${Project_ID}")
-message( STATUS "-- " ${Project_ID} )
-
-if(USE_STL)
-    add_executable(${Project_ID} main.cpp)
-    target_link_libraries(${Project_ID} PUBLIC Threads::Threads)
-endif()
\ No newline at end of file
diff --git a/1stsamples/stl/main.cpp b/1stsamples/stl/main.cpp
deleted file mode 100644
index f3a04339c..000000000
--- a/1stsamples/stl/main.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-#include <iostream>
-#include <string>
-#include <thread>
-#include <vector>
-
-namespace {
-void Task(const std::string& msg) { std::cout << "thread number: " + msg << '\n'; }
-}  // namespace
-
-int main() {
-  const auto num_max_threads = std::thread::hardware_concurrency();
-  std::cout << "Number of threads = " << num_max_threads << '\n';
-  std::vector<std::thread> thr(num_max_threads);
-
-  for (unsigned int i = 0; i < num_max_threads; ++i) {
-    thr[i] = std::thread(Task, std::to_string(i));
-  }
-
-  for (unsigned int i = 0; i < num_max_threads; ++i) {
-    thr[i].join();
-  }
-  return 0;
-}
\ No newline at end of file
diff --git a/1stsamples/tbb/CMakeLists.txt b/1stsamples/tbb/CMakeLists.txt
deleted file mode 100644
index 61b98ff55..000000000
--- a/1stsamples/tbb/CMakeLists.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-get_filename_component(Project_ID ${CMAKE_CURRENT_SOURCE_DIR} NAME)
-set(Project_ID "sample_${Project_ID}")
-message( STATUS "-- " ${Project_ID} )
-
-if(USE_TBB)
-    add_executable( ${Project_ID} main.cpp )
-    add_dependencies(${Project_ID} ppc_onetbb)
-    target_link_directories(${Project_ID} PUBLIC ${CMAKE_BINARY_DIR}/ppc_onetbb/install/lib)
-    if(NOT MSVC)
-        target_link_libraries(${Project_ID} PUBLIC tbb)
-    endif()
-endif()
\ No newline at end of file
diff --git a/1stsamples/tbb/main.cpp b/1stsamples/tbb/main.cpp
deleted file mode 100644
index d8058ea4b..000000000
--- a/1stsamples/tbb/main.cpp
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <tbb/tbb.h>
-
-#include <iostream>
-
-namespace {
-int FibFunc(int n) {
-  if (n < 2) {
-    return n;
-  }
-  int x;
-  int y;
-  oneapi::tbb::task_group g;
-  g.run([&] { x = FibFunc(n - 1); });
-  g.run([&] { y = FibFunc(n - 2); });
-  g.wait();
-  return x + y;
-}
-}  // namespace
-
-int main() { return FibFunc(10) - 55; }
diff --git a/3rdparty/opencv b/3rdparty/opencv
new file mode 160000
index 000000000..31b0eeea0
--- /dev/null
+++ b/3rdparty/opencv
@@ -0,0 +1 @@
+Subproject commit 31b0eeea0b44b370fd0712312df4214d4ae1b158
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e0e7fba65..a6d2b0636 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,82 +1,38 @@
 cmake_minimum_required( VERSION 3.25 )
 
+message( STATUS "Parallel Programming Course (PPC)" )
 project(parallel_programming_course)
-message( STATUS "Parallel Programming Course" )
 
-include(cmake/configure.cmake)
-include(cmake/gtest.cmake)
+############################ Configures #############################
 
-option(ENABLE_ADDRESS_SANITIZER OFF)
+message( STATUS "PPC step: First configures" )
+include(cmake/configure.cmake)
+include(cmake/modes.cmake)
 include(cmake/sanitizers.cmake)
 
-################################ MPI ################################
-option(USE_MPI OFF)
-if( USE_MPI )
-    find_package( MPI )
-    if( MPI_FOUND )
-        include_directories( ${MPI_INCLUDE_PATH} )
-    else( MPI_FOUND )
-        set( USE_MPI OFF )
-    endif( MPI_FOUND )
-    include(cmake/boost.cmake)
-endif( USE_MPI )
-
-############################### OpenMP ##############################
-option(USE_OMP OFF)
-if( USE_OMP )
-    find_package( OpenMP )
-    if( OpenMP_FOUND )
-        include_directories( ${OpenMP_C_INCLUDE_DIRS} ${OpenMP_CXX_INCLUDE_DIRS} )
-        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
-        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
-        if ( MSVC AND MSVC_VERSION GREATER 1919 )
-            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /openmp:experimental")
-            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /openmp:experimental")
-            set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
-            add_compile_options(/openmp:experimental)
-        endif()
-    else( OpenMP_FOUND )
-        if (WIN32)
-            message(WARNING "OpenMP NOT FOUND")
-        else()
-            message(FATAL_ERROR "OpenMP NOT FOUND")
-        endif()
-    endif( OpenMP_FOUND )
-endif( USE_OMP )
-
-############################ std::thread ############################
-option(USE_STL OFF)
-if( USE_STL )
-    find_package( Threads )
-endif( USE_STL )
+################# Parallel programming technologies #################
 
-################################ TBB ################################
-option(USE_TBB OFF)
-if( USE_TBB )
-    include(cmake/onetbb.cmake)
-endif( USE_TBB )
+message( STATUS "PPC step: Setup parallel programming technologies" )
+include(cmake/mpi.cmake)
+include(cmake/openmp.cmake)
+include(cmake/threads.cmake)
+include(cmake/onetbb.cmake)
 
-######################### Functional mode ##########################
-option(USE_FUNC_TESTS OFF)
-if( USE_FUNC_TESTS )
-    message( STATUS "Enable functional tests" )
-    add_compile_definitions(USE_FUNC_TESTS)
-endif( USE_FUNC_TESTS )
+######################### External projects #########################
 
-######################### Performance mode ##########################
-option(USE_PERF_TESTS OFF)
-if( USE_PERF_TESTS )
-    message( STATUS "Enable performance tests" )
-    add_compile_definitions(USE_PERF_TESTS)
-endif( USE_PERF_TESTS )
+message( STATUS "PPC step: Setup external projects" )
+include(cmake/opencv.cmake)
+include(cmake/gtest.cmake)
 
-############################## Modules ##############################
+############################## Headers ##############################
 
+message( STATUS "PPC step: Setup headers" )
 include_directories(3rdparty)
 include_directories(modules)
 include_directories(tasks)
 
+############################## Modules ##############################
+
+message( STATUS "PPC step: Setup modules" )
 add_subdirectory(modules)
 add_subdirectory(tasks)
-add_subdirectory(1stsamples)
diff --git a/cmake/boost.cmake b/cmake/boost.cmake
index 9fccb2a4f..9bd1b0dad 100644
--- a/cmake/boost.cmake
+++ b/cmake/boost.cmake
@@ -13,6 +13,7 @@ ExternalProject_Add(ppc_boost
         CONFIGURE_COMMAND "${CMAKE_COMMAND}" -S "${CMAKE_SOURCE_DIR}/3rdparty/boost/" -B "${CMAKE_CURRENT_BINARY_DIR}/ppc_boost/build/"
         -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} -G${CMAKE_GENERATOR} -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -DBOOST_ENABLE_MPI=ON
         -D MPI_INCLUDE_PATH=${MPI_INCLUDE_PATH} -D MPI_LIBRARIES=${MPI_LIBRARIES} -D MPI_COMPILE_FLAGS=${MPI_COMPILE_FLAGS} -D MPI_LINK_FLAGS=${MPI_LINK_FLAGS}
+        -D CMAKE_C_COMPILER_LAUNCHER=${CMAKE_C_COMPILER_LAUNCHER} -D CMAKE_CXX_COMPILER_LAUNCHER=${CMAKE_CXX_COMPILER_LAUNCHER}
         BUILD_COMMAND     "${CMAKE_COMMAND}" --build "${CMAKE_CURRENT_BINARY_DIR}/ppc_boost/build" --config ${CMAKE_BUILD_TYPE} --parallel
         INSTALL_COMMAND   "${CMAKE_COMMAND}" --install "${CMAKE_CURRENT_BINARY_DIR}/ppc_boost/build" --prefix "${CMAKE_CURRENT_BINARY_DIR}/ppc_boost/install"
         TEST_COMMAND      "")
diff --git a/cmake/configure.cmake b/cmake/configure.cmake
index 3810aa05a..18776fa7a 100644
--- a/cmake/configure.cmake
+++ b/cmake/configure.cmake
@@ -46,16 +46,3 @@ if( MSVC )
     set(CMAKE_CXX_FLAGS_DEBUG   "${CMAKE_CXX_FLAGS_DEBUG} /W4 /wd4267 /wd4244 /wd4100 /WX")
     set(CMAKE_CXX_FLAGS         "${CMAKE_CXX_FLAGS} /W4 /wd4267 /wd4244 /wd4100 /WX" )
 endif( MSVC )
-
-add_compile_definitions(PPC_PATH_TO_PROJECT="${CMAKE_CURRENT_SOURCE_DIR}")
-
-MACRO(SUBDIRLIST result curdir)
-  FILE(GLOB children RELATIVE ${curdir} ${curdir}/*)
-  SET(dirlist "")
-  FOREACH(child ${children})
-    IF(IS_DIRECTORY ${curdir}/${child})
-      LIST(APPEND dirlist ${child})
-    ENDIF()
-  ENDFOREACH()
-  SET(${result} ${dirlist})
-ENDMACRO()
diff --git a/cmake/gtest.cmake b/cmake/gtest.cmake
index 63d0b68b8..b574bd83a 100644
--- a/cmake/gtest.cmake
+++ b/cmake/gtest.cmake
@@ -8,6 +8,6 @@ ExternalProject_Add(ppc_googletest
         INSTALL_DIR       "${CMAKE_CURRENT_BINARY_DIR}/ppc_googletest/install"
         CONFIGURE_COMMAND "${CMAKE_COMMAND}" -S "${CMAKE_SOURCE_DIR}/3rdparty/googletest/" -B "${CMAKE_CURRENT_BINARY_DIR}/ppc_googletest/build/"
         -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} -G${CMAKE_GENERATOR} -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-        -Dgtest_force_shared_crt=ON -DCMAKE_CXX_FLAGS="-w" -DCMAKE_C_FLAGS="-w"
+        -D CMAKE_C_COMPILER_LAUNCHER=${CMAKE_C_COMPILER_LAUNCHER} -D CMAKE_CXX_COMPILER_LAUNCHER=${CMAKE_CXX_COMPILER_LAUNCHER} -Dgtest_force_shared_crt=ON -DCMAKE_CXX_FLAGS="-w" -DCMAKE_C_FLAGS="-w"
         BUILD_COMMAND     "${CMAKE_COMMAND}" --build "${CMAKE_CURRENT_BINARY_DIR}/ppc_googletest/build" --config ${CMAKE_BUILD_TYPE} --parallel
         INSTALL_COMMAND   "${CMAKE_COMMAND}" --install "${CMAKE_CURRENT_BINARY_DIR}/ppc_googletest/build" --prefix "${CMAKE_CURRENT_BINARY_DIR}/ppc_googletest/install")
diff --git a/cmake/modes.cmake b/cmake/modes.cmake
new file mode 100644
index 000000000..ee787ccd0
--- /dev/null
+++ b/cmake/modes.cmake
@@ -0,0 +1,24 @@
+add_compile_definitions(PPC_PATH_TO_PROJECT="${CMAKE_CURRENT_SOURCE_DIR}")
+
+MACRO(SUBDIRLIST result curdir)
+    FILE(GLOB children RELATIVE ${curdir} ${curdir}/*)
+    SET(dirlist "")
+    FOREACH(child ${children})
+        IF(IS_DIRECTORY ${curdir}/${child})
+            LIST(APPEND dirlist ${child})
+        ENDIF()
+    ENDFOREACH()
+    SET(${result} ${dirlist})
+ENDMACRO()
+
+option(USE_FUNC_TESTS OFF)
+if( USE_FUNC_TESTS )
+    message( STATUS "Enable functional tests" )
+    add_compile_definitions(USE_FUNC_TESTS)
+endif( USE_FUNC_TESTS )
+
+option(USE_PERF_TESTS OFF)
+if( USE_PERF_TESTS )
+    message( STATUS "Enable performance tests" )
+    add_compile_definitions(USE_PERF_TESTS)
+endif( USE_PERF_TESTS )
diff --git a/cmake/mpi.cmake b/cmake/mpi.cmake
new file mode 100644
index 000000000..460e8ab58
--- /dev/null
+++ b/cmake/mpi.cmake
@@ -0,0 +1,10 @@
+option(USE_MPI OFF)
+if( USE_MPI )
+    find_package( MPI )
+    if( MPI_FOUND )
+        include_directories( ${MPI_INCLUDE_PATH} )
+    else( MPI_FOUND )
+        set( USE_MPI OFF )
+    endif( MPI_FOUND )
+    include(cmake/boost.cmake)
+endif( USE_MPI )
diff --git a/cmake/onetbb.cmake b/cmake/onetbb.cmake
index 096b6b5a9..f565aed09 100644
--- a/cmake/onetbb.cmake
+++ b/cmake/onetbb.cmake
@@ -1,26 +1,31 @@
-# Build Core OneTBB components
-include_directories(${CMAKE_SOURCE_DIR}/3rdparty/onetbb/include)
+option(USE_TBB OFF)
+if( USE_TBB )
+    # Build Core OneTBB components
+    include_directories(${CMAKE_SOURCE_DIR}/3rdparty/onetbb/include)
 
-include(ExternalProject)
-if(MSVC)
-    ExternalProject_Add(ppc_onetbb
-            SOURCE_DIR        "${CMAKE_SOURCE_DIR}/3rdparty/onetbb"
-            PREFIX            "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb"
-            BINARY_DIR        "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build"
-            INSTALL_DIR       "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/install"
-            CONFIGURE_COMMAND "${CMAKE_COMMAND}" -S "${CMAKE_SOURCE_DIR}/3rdparty/onetbb/" -B "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build/" -DCMAKE_CXX_FLAGS="-w" -DCMAKE_C_FLAGS="-w"
-            -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} -G${CMAKE_GENERATOR} -DTBB_TEST=OFF -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-            BUILD_COMMAND     "${CMAKE_COMMAND}" --build "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build" --config ${CMAKE_BUILD_TYPE} --parallel
-            INSTALL_COMMAND   "${CMAKE_COMMAND}" --install "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build" --prefix "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/install"
-            TEST_COMMAND      "${CMAKE_COMMAND}" -E copy_directory "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/install/bin" "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}")
-else(MSVC)
-    ExternalProject_Add(ppc_onetbb
-            SOURCE_DIR        "${CMAKE_SOURCE_DIR}/3rdparty/onetbb"
-            PREFIX            "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb"
-            BINARY_DIR        "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build"
-            INSTALL_DIR       "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/install"
-            CONFIGURE_COMMAND "${CMAKE_COMMAND}" -S "${CMAKE_SOURCE_DIR}/3rdparty/onetbb/" -B "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build/" -DCMAKE_CXX_FLAGS="-w" -DCMAKE_C_FLAGS="-w"
-            -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} -G${CMAKE_GENERATOR} -DTBB_TEST=OFF -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-            BUILD_COMMAND     "${CMAKE_COMMAND}" --build "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build" --config ${CMAKE_BUILD_TYPE} --parallel
-            INSTALL_COMMAND   "${CMAKE_COMMAND}" --install "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build" --prefix "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/install")
-endif(MSVC)
+    include(ExternalProject)
+    if(WIN32)
+        ExternalProject_Add(ppc_onetbb
+                SOURCE_DIR        "${CMAKE_SOURCE_DIR}/3rdparty/onetbb"
+                PREFIX            "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb"
+                BINARY_DIR        "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build"
+                INSTALL_DIR       "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/install"
+                CONFIGURE_COMMAND "${CMAKE_COMMAND}" -S "${CMAKE_SOURCE_DIR}/3rdparty/onetbb/" -B "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build/" -DCMAKE_CXX_FLAGS="-w" -DCMAKE_C_FLAGS="-w"
+                -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} -D CMAKE_C_COMPILER_LAUNCHER=${CMAKE_C_COMPILER_LAUNCHER} -D CMAKE_CXX_COMPILER_LAUNCHER=${CMAKE_CXX_COMPILER_LAUNCHER}
+                -G${CMAKE_GENERATOR} -DTBB_TEST=OFF -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
+                BUILD_COMMAND     "${CMAKE_COMMAND}" --build "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build" --config ${CMAKE_BUILD_TYPE} --parallel
+                INSTALL_COMMAND   "${CMAKE_COMMAND}" --install "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build" --prefix "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/install"
+                TEST_COMMAND      "${CMAKE_COMMAND}" -E copy_directory "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/install/bin" "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}")
+    else()
+        ExternalProject_Add(ppc_onetbb
+                SOURCE_DIR        "${CMAKE_SOURCE_DIR}/3rdparty/onetbb"
+                PREFIX            "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb"
+                BINARY_DIR        "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build"
+                INSTALL_DIR       "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/install"
+                CONFIGURE_COMMAND "${CMAKE_COMMAND}" -S "${CMAKE_SOURCE_DIR}/3rdparty/onetbb/" -B "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build/" -DCMAKE_CXX_FLAGS="-w" -DCMAKE_C_FLAGS="-w"
+                -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} -D CMAKE_C_COMPILER_LAUNCHER=${CMAKE_C_COMPILER_LAUNCHER} -D CMAKE_CXX_COMPILER_LAUNCHER=${CMAKE_CXX_COMPILER_LAUNCHER}
+                -G${CMAKE_GENERATOR} -DTBB_TEST=OFF -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
+                BUILD_COMMAND     "${CMAKE_COMMAND}" --build "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build" --config ${CMAKE_BUILD_TYPE} --parallel
+                INSTALL_COMMAND   "${CMAKE_COMMAND}" --install "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/build" --prefix "${CMAKE_CURRENT_BINARY_DIR}/ppc_onetbb/install")
+    endif()
+endif( USE_TBB )
diff --git a/cmake/opencv.cmake b/cmake/opencv.cmake
new file mode 100644
index 000000000..90d2ec1c2
--- /dev/null
+++ b/cmake/opencv.cmake
@@ -0,0 +1,30 @@
+# Build OpenCV components
+# core highgui imgcodecs imgproc videoio
+include(ExternalProject)
+include_directories(${CMAKE_SOURCE_DIR}/3rdparty/opencv/include)
+if(WIN32)
+    ExternalProject_Add(ppc_opencv
+            SOURCE_DIR        "${CMAKE_SOURCE_DIR}/3rdparty/opencv"
+            PREFIX            "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv"
+            BINARY_DIR        "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/build"
+            INSTALL_DIR       "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/install"
+            CONFIGURE_COMMAND "${CMAKE_COMMAND}" -S "${CMAKE_SOURCE_DIR}/3rdparty/opencv/" -B "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/build/"
+            -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} -G${CMAKE_GENERATOR} -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -D CMAKE_C_COMPILER_LAUNCHER=${CMAKE_C_COMPILER_LAUNCHER}
+            -D CMAKE_CXX_COMPILER_LAUNCHER=${CMAKE_CXX_COMPILER_LAUNCHER} -DCMAKE_CXX_FLAGS="-w" -DCMAKE_C_FLAGS="-w" -DENABLE_CCACHE=ON -DBUILD_TESTS=OFF -DBUILD_PERF_TESTS=OFF
+            -DBUILD_EXAMPLES=OFF -DBUILD_DOCS=OFF -DWITH_CUDA=OFF -DWITH_OPENCL=OFF -DBUILD_LIST="core,highgui,imgcodecs,imgproc,videoio,"
+            BUILD_COMMAND     "${CMAKE_COMMAND}" --build "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/build" --config ${CMAKE_BUILD_TYPE} --parallel
+            INSTALL_COMMAND   "${CMAKE_COMMAND}" --install "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/build" --prefix "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/install"
+            TEST_COMMAND      "${CMAKE_COMMAND}" -E copy_directory "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/build/bin" "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}")
+else()
+    ExternalProject_Add(ppc_opencv
+            SOURCE_DIR        "${CMAKE_SOURCE_DIR}/3rdparty/opencv"
+            PREFIX            "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv"
+            BINARY_DIR        "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/build"
+            INSTALL_DIR       "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/install"
+            CONFIGURE_COMMAND "${CMAKE_COMMAND}" -S "${CMAKE_SOURCE_DIR}/3rdparty/opencv/" -B "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/build/"
+            -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} -G${CMAKE_GENERATOR} -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -D CMAKE_C_COMPILER_LAUNCHER=${CMAKE_C_COMPILER_LAUNCHER}
+            -D CMAKE_CXX_COMPILER_LAUNCHER=${CMAKE_CXX_COMPILER_LAUNCHER} -DCMAKE_CXX_FLAGS="-w" -DCMAKE_C_FLAGS="-w" -DENABLE_CCACHE=ON -DBUILD_TESTS=OFF -DBUILD_PERF_TESTS=OFF
+            -DBUILD_EXAMPLES=OFF -DBUILD_DOCS=OFF -DWITH_CUDA=OFF -DWITH_OPENCL=OFF -DBUILD_LIST="core,highgui,imgcodecs,imgproc,videoio,"
+            BUILD_COMMAND     "${CMAKE_COMMAND}" --build "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/build" --config ${CMAKE_BUILD_TYPE} --parallel
+            INSTALL_COMMAND   "${CMAKE_COMMAND}" --install "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/build" --prefix "${CMAKE_CURRENT_BINARY_DIR}/ppc_opencv/install")
+endif()
diff --git a/cmake/openmp.cmake b/cmake/openmp.cmake
new file mode 100644
index 000000000..e94fd3e64
--- /dev/null
+++ b/cmake/openmp.cmake
@@ -0,0 +1,16 @@
+option(USE_OMP OFF)
+if( USE_OMP )
+    find_package( OpenMP )
+    if( OpenMP_FOUND )
+        include_directories( ${OpenMP_C_INCLUDE_DIRS} ${OpenMP_CXX_INCLUDE_DIRS} )
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
+        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
+    else( OpenMP_FOUND )
+        if (WIN32)
+            message(WARNING "OpenMP NOT FOUND")
+        else()
+            message(FATAL_ERROR "OpenMP NOT FOUND")
+        endif()
+    endif( OpenMP_FOUND )
+endif( USE_OMP )
diff --git a/cmake/sanitizers.cmake b/cmake/sanitizers.cmake
index fd32d7daa..d0726be15 100644
--- a/cmake/sanitizers.cmake
+++ b/cmake/sanitizers.cmake
@@ -1,3 +1,4 @@
+option(ENABLE_ADDRESS_SANITIZER OFF)
 if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
   if (ENABLE_ADDRESS_SANITIZER)
     add_compile_options(-fsanitize=address)
diff --git a/cmake/threads.cmake b/cmake/threads.cmake
new file mode 100644
index 000000000..be534ffd9
--- /dev/null
+++ b/cmake/threads.cmake
@@ -0,0 +1,4 @@
+option(USE_STL OFF)
+if( USE_STL )
+    find_package( Threads )
+endif( USE_STL )
diff --git a/modules/core/task/include/task.hpp b/modules/core/task/include/task.hpp
index 2018226c5..bfaa236ee 100644
--- a/modules/core/task/include/task.hpp
+++ b/modules/core/task/include/task.hpp
@@ -70,9 +70,9 @@ class Task {
   std::chrono::high_resolution_clock::time_point tmp_time_point_;
 };
 
-inline std::filesystem::path GetAbsolutePath(const std::string &relative_path) {
-  std::filesystem::path path = std::string(PPC_PATH_TO_PROJECT) + "/tasks/" + relative_path;
-  return path;
+inline std::string GetAbsolutePath(const std::string &relative_path) {
+  const std::filesystem::path path = std::string(PPC_PATH_TO_PROJECT) + "/tasks/" + relative_path;
+  return path.string();
 }
 
 }  // namespace ppc::core
diff --git a/scripts/run.bat b/scripts/run.bat
index bc20417e3..f6dfba950 100644
--- a/scripts/run.bat
+++ b/scripts/run.bat
@@ -3,12 +3,6 @@
 build\bin\core_func_tests.exe --gtest_also_run_disabled_tests --gtest_repeat=10 --gtest_recreate_environments_when_repeating || exit 1
 build\bin\ref_func_tests.exe  --gtest_also_run_disabled_tests --gtest_repeat=10 --gtest_recreate_environments_when_repeating || exit 1
 
-if "%CLANG_BUILD%" NEQ "1" mpiexec.exe -np 4 build\bin\sample_mpi.exe
-if "%CLANG_BUILD%" NEQ "1" mpiexec.exe -np 4 build\bin\sample_mpi_boost.exe
-if "%CLANG_BUILD%" NEQ "1" build\bin\sample_omp.exe
-build\bin\sample_stl.exe
-build\bin\sample_tbb.exe
-
 if "%CLANG_BUILD%" NEQ "1" mpiexec.exe -np 4 build\bin\all_func_tests.exe --gtest_repeat=10 || exit 1
 if "%CLANG_BUILD%" NEQ "1" mpiexec.exe -np 4 build\bin\mpi_func_tests.exe --gtest_repeat=10 || exit 1
 if "%CLANG_BUILD%" NEQ "1" build\bin\all_func_tests.exe || exit 1
diff --git a/scripts/run_mpi.sh b/scripts/run_mpi.sh
index 9eb1bac5f..92d2835a9 100644
--- a/scripts/run_mpi.sh
+++ b/scripts/run_mpi.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+source build/ppc_opencv/install/bin/setup_vars_opencv4.sh
 
 if [[ $OSTYPE == "linux-gnu" && -z "$ASAN_RUN" ]]; then
   valgrind --error-exitcode=1 --leak-check=full --show-leak-kinds=all ./build/bin/core_func_tests
@@ -12,8 +13,6 @@ fi
 ./build/bin/ref_func_tests  --gtest_also_run_disabled_tests --gtest_repeat=10 --gtest_recreate_environments_when_repeating
 
 if [[ -z "$ASAN_RUN" ]]; then
-    mpirun $1 -np $PROC_COUNT ./build/bin/sample_mpi
-    mpirun $1 -np $PROC_COUNT ./build/bin/sample_mpi_boost
     mpirun $1 -np $PROC_COUNT ./build/bin/all_func_tests --gtest_also_run_disabled_tests --gtest_repeat=10 --gtest_recreate_environments_when_repeating
     mpirun $1 -np $PROC_COUNT ./build/bin/mpi_func_tests --gtest_also_run_disabled_tests --gtest_repeat=10 --gtest_recreate_environments_when_repeating
 fi
diff --git a/scripts/run_perf_collector.sh b/scripts/run_perf_collector.sh
index f319b0f0d..6c58772e2 100644
--- a/scripts/run_perf_collector.sh
+++ b/scripts/run_perf_collector.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+source build/ppc_opencv/install/bin/setup_vars_opencv4.sh
 
 if [[ -z "$ASAN_RUN" ]]; then
   if [[ $OSTYPE == "linux-gnu" ]]; then
diff --git a/scripts/run_threads.sh b/scripts/run_threads.sh
index 947e935a1..731276bc8 100644
--- a/scripts/run_threads.sh
+++ b/scripts/run_threads.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+source build/ppc_opencv/install/bin/setup_vars_opencv4.sh
 
 if [[ $OSTYPE == "linux-gnu" && -z "$ASAN_RUN" ]]; then
   valgrind --error-exitcode=1 --leak-check=full --show-leak-kinds=all ./build/bin/core_func_tests
@@ -13,10 +14,6 @@ fi
 ./build/bin/core_func_tests --gtest_also_run_disabled_tests --gtest_repeat=3 --gtest_recreate_environments_when_repeating
 ./build/bin/ref_func_tests  --gtest_also_run_disabled_tests --gtest_repeat=3 --gtest_recreate_environments_when_repeating
 
-./build/bin/sample_omp
-./build/bin/sample_stl
-./build/bin/sample_tbb
-
 ./build/bin/omp_func_tests --gtest_also_run_disabled_tests --gtest_repeat=3 --gtest_recreate_environments_when_repeating
 ./build/bin/seq_func_tests --gtest_also_run_disabled_tests --gtest_repeat=3 --gtest_recreate_environments_when_repeating
 ./build/bin/stl_func_tests --gtest_also_run_disabled_tests --gtest_repeat=3 --gtest_recreate_environments_when_repeating
diff --git a/tasks/CMakeLists.txt b/tasks/CMakeLists.txt
index 0253dbfb2..1ba576a9d 100644
--- a/tasks/CMakeLists.txt
+++ b/tasks/CMakeLists.txt
@@ -137,6 +137,28 @@ foreach(TASK_TYPE ${LIST_OF_TASKS})
           endif()
       endif ()
 
+      add_dependencies(${EXEC_FUNC} ppc_opencv)
+      if(WIN32)
+          target_include_directories(${EXEC_FUNC} PUBLIC "${CMAKE_BINARY_DIR}/ppc_opencv/install/include")
+      else()
+          target_include_directories(${EXEC_FUNC} PUBLIC "${CMAKE_BINARY_DIR}/ppc_opencv/install/include/opencv4")
+      endif()
+
+
+      if(WIN32)
+          target_link_directories(${EXEC_FUNC} PUBLIC "${CMAKE_BINARY_DIR}/ppc_opencv/build/lib")
+          set(OCV_VERSION "4110")
+      else()
+          target_link_directories(${EXEC_FUNC} PUBLIC "${CMAKE_BINARY_DIR}/ppc_opencv/install/lib")
+      endif()
+
+      target_link_libraries(${EXEC_FUNC} PUBLIC
+              opencv_core${OCV_VERSION}
+              opencv_highgui${OCV_VERSION}
+              opencv_imgcodecs${OCV_VERSION}
+              opencv_imgproc${OCV_VERSION}
+              opencv_videoio${OCV_VERSION})
+
       add_dependencies(${EXEC_FUNC} ppc_googletest)
       target_link_directories(${EXEC_FUNC} PUBLIC "${CMAKE_BINARY_DIR}/ppc_googletest/install/lib")
       target_link_libraries(${EXEC_FUNC} PUBLIC gtest gtest_main)
diff --git a/tasks/all/example/data/pic_mpi.jpg b/tasks/all/example/data/pic_mpi.jpg
new file mode 100644
index 000000000..f1579e946
Binary files /dev/null and b/tasks/all/example/data/pic_mpi.jpg differ
diff --git a/tasks/all/example/data/pic_omp.jpg b/tasks/all/example/data/pic_omp.jpg
new file mode 100644
index 000000000..1756d435e
Binary files /dev/null and b/tasks/all/example/data/pic_omp.jpg differ
diff --git a/tasks/all/example/data/pic_seq.jpg b/tasks/all/example/data/pic_seq.jpg
new file mode 100644
index 000000000..344580234
Binary files /dev/null and b/tasks/all/example/data/pic_seq.jpg differ
diff --git a/tasks/all/example/data/pic_stl.jpg b/tasks/all/example/data/pic_stl.jpg
new file mode 100644
index 000000000..3a1eda306
Binary files /dev/null and b/tasks/all/example/data/pic_stl.jpg differ
diff --git a/tasks/all/example/data/pic_tbb.jpg b/tasks/all/example/data/pic_tbb.jpg
new file mode 100644
index 000000000..27072f354
Binary files /dev/null and b/tasks/all/example/data/pic_tbb.jpg differ
diff --git a/tasks/all/example/data/test_mpi.txt b/tasks/all/example/data/test_mpi.txt
deleted file mode 100644
index 8bc658371..000000000
--- a/tasks/all/example/data/test_mpi.txt
+++ /dev/null
@@ -1 +0,0 @@
-120
\ No newline at end of file
diff --git a/tasks/all/example/data/test_omp.txt b/tasks/all/example/data/test_omp.txt
deleted file mode 100644
index 7813681f5..000000000
--- a/tasks/all/example/data/test_omp.txt
+++ /dev/null
@@ -1 +0,0 @@
-5
\ No newline at end of file
diff --git a/tasks/all/example/data/test_seq.txt b/tasks/all/example/data/test_seq.txt
deleted file mode 100644
index 105d7d9ad..000000000
--- a/tasks/all/example/data/test_seq.txt
+++ /dev/null
@@ -1 +0,0 @@
-100
\ No newline at end of file
diff --git a/tasks/all/example/data/test_stl.txt b/tasks/all/example/data/test_stl.txt
deleted file mode 100644
index 3f10ffe7a..000000000
--- a/tasks/all/example/data/test_stl.txt
+++ /dev/null
@@ -1 +0,0 @@
-15
\ No newline at end of file
diff --git a/tasks/all/example/data/test_tbb.txt b/tasks/all/example/data/test_tbb.txt
deleted file mode 100644
index 7813681f5..000000000
--- a/tasks/all/example/data/test_tbb.txt
+++ /dev/null
@@ -1 +0,0 @@
-5
\ No newline at end of file
diff --git a/tasks/all/example/func_tests/func_mpi.cpp b/tasks/all/example/func_tests/func_mpi.cpp
index 1dbc5c5f6..5f07bdb55 100644
--- a/tasks/all/example/func_tests/func_mpi.cpp
+++ b/tasks/all/example/func_tests/func_mpi.cpp
@@ -1,8 +1,7 @@
 #include <gtest/gtest.h>
 
 #include <boost/mpi/communicator.hpp>
-#include <boost/mpi/environment.hpp>
-#include <fstream>
+#include <opencv2/opencv.hpp>
 #include <random>
 #include <vector>
 
@@ -248,14 +247,10 @@ TEST(Parallel_Operations_MPI, Test_Max_2_File) {
   auto task_data_par = std::make_shared<ppc::core::TaskData>();
 
   if (world.rank() == 0) {
-    std::string line;
-    std::ifstream test_file(ppc::core::GetAbsolutePath("all/example/data/test_mpi.txt"));
-    if (test_file.is_open()) {
-      getline(test_file, line);
-    }
-    test_file.close();
-
-    const int count_size_vector = std::stoi(line);
+    cv::Mat img = cv::imread(ppc::core::GetAbsolutePath("all/example/data/pic_mpi.jpg"));
+    EXPECT_EQ(img.rows, img.cols);
+    const int count_size_vector = img.rows + img.cols;
+
     global_vec = GetRandomVector(count_size_vector);
     task_data_par->inputs.emplace_back(reinterpret_cast<uint8_t*>(global_vec.data()));
     task_data_par->inputs_count.emplace_back(global_vec.size());
diff --git a/tasks/all/example/func_tests/func_omp.cpp b/tasks/all/example/func_tests/func_omp.cpp
index 3e590a619..f2e5d1090 100644
--- a/tasks/all/example/func_tests/func_omp.cpp
+++ b/tasks/all/example/func_tests/func_omp.cpp
@@ -1,6 +1,6 @@
 #include <gtest/gtest.h>
 
-#include <fstream>
+#include <opencv2/opencv.hpp>
 #include <random>
 #include <vector>
 
@@ -210,14 +210,11 @@ TEST(Parallel_Operations_OpenMP, Test_Mult_2) {
 }
 
 TEST(Parallel_Operations_OpenMP, Test_Mult_2_File) {
-  std::string line;
-  std::ifstream test_file(ppc::core::GetAbsolutePath("all/example/data/test_omp.txt"));
-  if (test_file.is_open()) {
-    getline(test_file, line);
-  }
-  test_file.close();
+  cv::Mat img = cv::imread(ppc::core::GetAbsolutePath("all/example/data/pic_omp.jpg"));
+  EXPECT_EQ(static_cast<int>(sqrt(img.rows) * sqrt(img.rows)), img.cols);
+  const int count_size_vector = img.rows + img.cols;
+  std::vector<int> vec = GetRandomVector(count_size_vector);
 
-  std::vector<int> vec = GetRandomVector(std::stoi(line));
   // Create data
   std::vector<int> ref_res(1, 0);
 
diff --git a/tasks/all/example/func_tests/func_seq.cpp b/tasks/all/example/func_tests/func_seq.cpp
index cda2304e9..823fd3dc3 100644
--- a/tasks/all/example/func_tests/func_seq.cpp
+++ b/tasks/all/example/func_tests/func_seq.cpp
@@ -1,6 +1,6 @@
 #include <gtest/gtest.h>
 
-#include <fstream>
+#include <opencv2/opencv.hpp>
 #include <vector>
 
 #include "seq/example/include/ops_seq.hpp"
@@ -121,14 +121,9 @@ TEST(Sequential, Test_Sum_100) {
 }
 
 TEST(Sequential, Test_Sum_100_From_File) {
-  std::string line;
-  std::ifstream test_file(ppc::core::GetAbsolutePath("all/example/data/test_seq.txt"));
-  if (test_file.is_open()) {
-    getline(test_file, line);
-  }
-  test_file.close();
-
-  const int count = std::stoi(line);
+  cv::Mat img = cv::imread(ppc::core::GetAbsolutePath("all/example/data/pic_seq.jpg"));
+  EXPECT_EQ(img.rows, img.cols);
+  const int count = img.rows + img.cols;
 
   // Create data
   std::vector<int> in(1, count);
diff --git a/tasks/all/example/func_tests/func_stl.cpp b/tasks/all/example/func_tests/func_stl.cpp
index 1a3ade05c..372283baa 100644
--- a/tasks/all/example/func_tests/func_stl.cpp
+++ b/tasks/all/example/func_tests/func_stl.cpp
@@ -1,6 +1,6 @@
 #include <gtest/gtest.h>
 
-#include <fstream>
+#include <opencv2/opencv.hpp>
 #include <random>
 #include <thread>
 #include <vector>
@@ -215,14 +215,11 @@ TEST(Parallel_Operations_STL_Threads, Test_Diff_2) {
 }
 
 TEST(Parallel_Operations_STL_Threads, Test_Diff_2_File) {
-  std::string line;
-  std::ifstream test_file(ppc::core::GetAbsolutePath("all/example/data/test_stl.txt"));
-  if (test_file.is_open()) {
-    getline(test_file, line);
-  }
-  test_file.close();
+  cv::Mat img = cv::imread(ppc::core::GetAbsolutePath("all/example/data/pic_stl.jpg"));
+  EXPECT_EQ(static_cast<int>(sqrt(img.cols / 2) * sqrt(img.cols / 2)), img.rows);
+  const int count_size_vector = static_cast<int>(sqrt(sqrt(img.rows)));
 
-  auto nthreads = std::thread::hardware_concurrency() * std::stoi(line);
+  auto nthreads = std::thread::hardware_concurrency() * count_size_vector;
   std::vector<int> vec = GetRandomVector(static_cast<int>(nthreads));
   // Create data
   std::vector<int> ref_res(1, 0);
diff --git a/tasks/all/example/func_tests/func_tbb.cpp b/tasks/all/example/func_tests/func_tbb.cpp
index eeb5e3c50..63070eb30 100644
--- a/tasks/all/example/func_tests/func_tbb.cpp
+++ b/tasks/all/example/func_tests/func_tbb.cpp
@@ -1,6 +1,6 @@
 #include <gtest/gtest.h>
 
-#include <fstream>
+#include <opencv2/opencv.hpp>
 #include <random>
 #include <vector>
 
@@ -209,14 +209,11 @@ TEST(Parallel_Operations_TBB, Test_Mult_2) {
 }
 
 TEST(Parallel_Operations_TBB, Test_Mult_2_File) {
-  std::string line;
-  std::ifstream test_file(ppc::core::GetAbsolutePath("all/example/data/test_tbb.txt"));
-  if (test_file.is_open()) {
-    getline(test_file, line);
-  }
-  test_file.close();
+  cv::Mat img = cv::imread(ppc::core::GetAbsolutePath("all/example/data/pic_tbb.jpg"));
+  EXPECT_EQ(static_cast<int>(sqrt(img.rows / 2) * sqrt(img.rows / 2)), img.cols);
+  const int count_size_vector = img.rows + img.cols;
 
-  std::vector<int> vec = GetRandomVector(std::stoi(line));
+  std::vector<int> vec = GetRandomVector(count_size_vector);
   // Create data
   std::vector<int> ref_res(1, 0);