diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 0b45fa8..f869140 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -41,11 +41,11 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
+      uses: github/codeql-action/init@v4
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -81,4 +81,4 @@ jobs:
       run: cmake --build . --config $BUILD_TYPE
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
+      uses: github/codeql-action/analyze@v4
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index d916fd9..e323ccb 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: macOS-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
 
     - name: Create Build Environment     
       run: cmake -E make_directory ${{github.workspace}}/build
diff --git a/.github/workflows/static_check.yml b/.github/workflows/static_check.yml
index 7c79f7f..08cfcdb 100644
--- a/.github/workflows/static_check.yml
+++ b/.github/workflows/static_check.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
 
     - name: Install OpenCV     
       run: |
@@ -24,10 +24,10 @@ jobs:
     - name: Configure CMake    
       shell: bash
       working-directory: ${{github.workspace}}/build      
-      run: cmake .. -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
+      run: cmake .. -DCMAKE_CXX_COMPILER=/usr/bin/clang++ -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
 
     - name: Upload Compile Commands
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with:
         name: compile_commands
         path: ${{github.workspace}}/build/compile_commands.json
@@ -46,7 +46,7 @@ jobs:
                        -export-fixes ${{github.workspace}}/clang-tidy-fixes.yaml
 
     - name: Upload Clang Tidy Result
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with:
         name: clang_tidy_fixes
         path: ${{github.workspace}}/clang-tidy-fixes.yaml
@@ -58,10 +58,10 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v6
 
     - name: Download Compile Commands
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v8
       with:
         name: compile_commands
 
@@ -78,7 +78,7 @@ jobs:
                    --output-file=${{github.workspace}}/cppcheck-report.txt .
 
     - name: Upload CppCheck Result
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with:
         name: cppcheck_report
         path: ${{github.workspace}}/cppcheck-report.txt
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index ee7dbc8..4640f17 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
     
     - name: Install OpenCV     
       run: |
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index bfdc1db..06d2c38 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
 
     - name: Create Build Environment
       run: cmake -E make_directory ${{github.workspace}}/build
diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
index ffe0e25..cae9ef1 100644
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@@ -8,10 +8,17 @@ set(EXTERNAL_INSTALL_LOCATION ${CMAKE_BINARY_DIR}/external)
 
 ExternalProject_Add(opencv
     GIT_REPOSITORY https://github.com/opencv/opencv.git
-    GIT_TAG 4.5.0
+    GIT_TAG 4.6.0
     INSTALL_DIR ${EXTERNAL_INSTALL_LOCATION}
     CMAKE_ARGS
         -DCMAKE_INSTALL_PREFIX=${EXTERNAL_INSTALL_LOCATION}
+        -DCMAKE_POLICY_VERSION_MINIMUM=3.5
+        -DBUILD_ZLIB=OFF
+        -DBUILD_PNG=OFF
+        -DBUILD_JPEG=OFF
+        -DBUILD_TIFF=OFF
+        -DBUILD_WEBP=OFF
+        -DBUILD_OPENJPEG=OFF
         -DBUILD_DOCS=OFF
         -DBUILD_EXAMPLES=OFF
         -DBUILD_PERF_TESTS=OFF
@@ -22,4 +29,5 @@ ExternalProject_Add(opencv
         -DBUILD_opencv_python3=OFF
         -DBUILD_PROTOBUF=OFF
         -DBUILD_opencv_dnn=OFF
+        -DBUILD_JAVA=OFF
 )
diff --git a/traincascade/CMakeLists.txt b/traincascade/CMakeLists.txt
index 3f801a5..479514a 100644
--- a/traincascade/CMakeLists.txt
+++ b/traincascade/CMakeLists.txt
@@ -92,7 +92,40 @@ target_compile_options(
     ${PROJECT_NAME}
     PRIVATE
          $<$<CXX_COMPILER_ID:MSVC>:/W4 /WX>
+         $<$<CXX_COMPILER_ID:MSVC>:/Zc:__cplusplus /Zc:preprocessor /Zc:inline>
+         $<$<CXX_COMPILER_ID:MSVC>:/w14191 /w14242 /w14254 /w14263 /w14265 /w14266 /w14287>
+         $<$<CXX_COMPILER_ID:MSVC>:/w14289 /w14296 /w14311 /w14545 /w14546 /w14547 /w14549>
+         $<$<CXX_COMPILER_ID:MSVC>:/w14555 /w14619 /w14640 /w14826 /w14905 /w14906 /w14928>
+        #  $<$<CXX_COMPILER_ID:MSVC>:/w14365> # Fix in code
+         $<$<CXX_COMPILER_ID:MSVC>:/w14062 /w14061 /w15262 /w14463 /w14146>
+         $<$<CXX_COMPILER_ID:MSVC>:/w14456 /w14457 /w14458 /w14459>
+         $<$<CXX_COMPILER_ID:MSVC>:/w14700 /w14701 /w14703 /w14774 /w14777>
          $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wall -Wextra -Wpedantic -Werror>
+        #  $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wold-style-cast> # Fix in code
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wcast-qual>
+        #  $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wsign-conversion> # Fix in code
+        #  $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wconversion> # Fix in code
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wshadow -Wnull-dereference -Wmisleading-indentation>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wimplicit-fallthrough -Wswitch-enum>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wshift-negative-value>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wformat=2 -Wformat-security>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-fstrict-aliasing>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wstack-protector -fstack-protector-strong>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wnon-virtual-dtor -Woverloaded-virtual>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wuninitialized>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Walloca -Wvla>
+         $<$<CXX_COMPILER_ID:GNU>:-Wcast-align=strict>
+         $<$<CXX_COMPILER_ID:GNU>:-Warith-conversion>
+         $<$<CXX_COMPILER_ID:GNU>:-Wduplicated-branches>
+         $<$<CXX_COMPILER_ID:GNU>:-Wduplicated-cond>
+         $<$<CXX_COMPILER_ID:GNU>:-Wlogical-op>
+         $<$<CXX_COMPILER_ID:GNU>:-Wshift-overflow=2>
+         $<$<CXX_COMPILER_ID:GNU>:-Wstrict-aliasing=3>
+         $<$<CXX_COMPILER_ID:GNU>:-Wmaybe-uninitialized>
+         $<$<CXX_COMPILER_ID:Clang>:-Wcast-align>
+         $<$<CXX_COMPILER_ID:Clang>:-Wlogical-op-parentheses>
+         $<$<CXX_COMPILER_ID:Clang>:-Wshift-overflow>
+         $<$<CXX_COMPILER_ID:Clang>:-Wconditional-uninitialized -Wsometimes-uninitialized>
 )
 
 target_include_directories(
@@ -127,7 +160,40 @@ target_compile_options(
     test_traincascade
     PRIVATE
          $<$<CXX_COMPILER_ID:MSVC>:/W4 /WX>
+         $<$<CXX_COMPILER_ID:MSVC>:/Zc:__cplusplus /Zc:preprocessor /Zc:inline>
+         $<$<CXX_COMPILER_ID:MSVC>:/w14191 /w14242 /w14254 /w14263 /w14265 /w14266 /w14287>
+         $<$<CXX_COMPILER_ID:MSVC>:/w14289 /w14296 /w14311 /w14545 /w14546 /w14547 /w14549>
+         $<$<CXX_COMPILER_ID:MSVC>:/w14555 /w14619 /w14640 /w14826 /w14905 /w14906 /w14928>
+         $<$<CXX_COMPILER_ID:MSVC>:/w14365>
+         $<$<CXX_COMPILER_ID:MSVC>:/w14062 /w14061 /w15262 /w14463 /w14146>
+         $<$<CXX_COMPILER_ID:MSVC>:/w14456 /w14457 /w14458 /w14459>
+         $<$<CXX_COMPILER_ID:MSVC>:/w14700 /w14701 /w14703 /w14774 /w14777>
          $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wall -Wextra -Wpedantic -Werror>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wold-style-cast>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wcast-qual>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wsign-conversion>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wconversion>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wshadow -Wnull-dereference -Wmisleading-indentation>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wimplicit-fallthrough -Wswitch-enum>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wshift-negative-value>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wformat=2 -Wformat-security>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-fstrict-aliasing>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wstack-protector -fstack-protector-strong>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wnon-virtual-dtor -Woverloaded-virtual>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wuninitialized>
+         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Walloca -Wvla>
+         $<$<CXX_COMPILER_ID:GNU>:-Wcast-align=strict>
+         $<$<CXX_COMPILER_ID:GNU>:-Warith-conversion>
+         $<$<CXX_COMPILER_ID:GNU>:-Wduplicated-branches>
+         $<$<CXX_COMPILER_ID:GNU>:-Wduplicated-cond>
+         $<$<CXX_COMPILER_ID:GNU>:-Wlogical-op>
+         $<$<CXX_COMPILER_ID:GNU>:-Wshift-overflow=2>
+         $<$<CXX_COMPILER_ID:GNU>:-Wstrict-aliasing=3>
+         $<$<CXX_COMPILER_ID:GNU>:-Wmaybe-uninitialized>
+         $<$<CXX_COMPILER_ID:Clang>:-Wcast-align>
+         $<$<CXX_COMPILER_ID:Clang>:-Wlogical-op-parentheses>
+         $<$<CXX_COMPILER_ID:Clang>:-Wshift-overflow>
+         $<$<CXX_COMPILER_ID:Clang>:-Wconditional-uninitialized -Wsometimes-uninitialized>
 )
 
 target_include_directories(