diff --git a/.gitignore b/.gitignore
index e3a4adb6a3..6a5475d8f5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,5 @@ bgslibrary_gui
 upload.sh
 *.code-workspace
 env
+bgslibrary_env
+bgslibrary_test_env
diff --git a/demo2.py b/demo2.py
index befb409a78..943887e6a0 100644
--- a/demo2.py
+++ b/demo2.py
@@ -45,13 +45,23 @@ def check_opencv_version(major):
 algorithms.append(bgs.TwoPoints())
 algorithms.append(bgs.ViBe())
 algorithms.append(bgs.CodeBook())
+algorithms.append(bgs.FuzzySugenoIntegral())
+algorithms.append(bgs.FuzzyChoquetIntegral())
+algorithms.append(bgs.LBSimpleGaussian())
+algorithms.append(bgs.LBFuzzyGaussian())
+algorithms.append(bgs.LBMixtureOfGaussians())
+algorithms.append(bgs.LBAdaptiveSOM())
+algorithms.append(bgs.LBFuzzyAdaptiveSOM())
+algorithms.append(bgs.VuMeter())
+algorithms.append(bgs.KDE())
+algorithms.append(bgs.IndependentMultimodal())
 
 if is_cv2():
   algorithms.append(bgs.MixtureOfGaussianV1()) # if opencv 2.x
   algorithms.append(bgs.GMG()) # if opencv 2.x
 
-if is_cv3():
-  algorithms.append(bgs.KNN()) # if opencv 3.x
+if not is_cv2():
+  algorithms.append(bgs.KNN()) # if opencv > 2
 
 if is_cv2() or is_cv3():
   algorithms.append(bgs.DPAdaptiveMedian())
@@ -66,16 +76,6 @@ def check_opencv_version(major):
   algorithms.append(bgs.T2FGMM_UV())
   algorithms.append(bgs.T2FMRF_UM())
   algorithms.append(bgs.T2FMRF_UV())
-  algorithms.append(bgs.FuzzySugenoIntegral())
-  algorithms.append(bgs.FuzzyChoquetIntegral())
-  algorithms.append(bgs.LBSimpleGaussian())
-  algorithms.append(bgs.LBFuzzyGaussian())
-  algorithms.append(bgs.LBMixtureOfGaussians())
-  algorithms.append(bgs.LBAdaptiveSOM())
-  algorithms.append(bgs.LBFuzzyAdaptiveSOM())
-  algorithms.append(bgs.VuMeter())
-  algorithms.append(bgs.KDE())
-  algorithms.append(bgs.IndependentMultimodal())
   algorithms.append(bgs.MultiCue())
 
 if is_cv2() or is_lower_or_equals_cv347():
@@ -93,7 +93,7 @@ def check_opencv_version(major):
 
 video_file = "dataset/video.avi"
 
-
+print("Number of available algorithms: ", len(algorithms))
 for algorithm in algorithms:
   print("Running ", algorithm.__class__)
 
diff --git a/virtualenv-build-test-publish.sh b/virtualenv-build-test-publish.sh
new file mode 100644
index 0000000000..9f3a9cd723
--- /dev/null
+++ b/virtualenv-build-test-publish.sh
@@ -0,0 +1,46 @@
+# Remove the existing virtual environment if it exists
+rm -rf bgslibrary_env
+
+# Create a new virtual environment called bgslibrary_env using Python3
+python3 -m venv bgslibrary_env
+
+# Activate the newly created virtual environment
+source bgslibrary_env/bin/activate
+
+# Upgrade pip and install required packages numpy and OpenCV
+python -m pip install --upgrade pip
+python -m pip install wheel
+python -m pip install numpy
+python -m pip install opencv-python
+
+# Build and install the package using the setup.py script
+python setup.py build
+python setup.py install
+
+# Set the PYTHONPATH environment variable to the build directory to access the installed library
+# The following line is for Linux
+export PYTHONPATH=$PYTHONPATH:$PWD/build/lib.linux-x86_64-cpython-38
+# The following line is for Mac
+export PYTHONPATH=$PYTHONPATH:$PWD/build/lib.macosx-11-x86_64-cpython-39
+
+# Run demo.py and demo2.py to verify the package installation
+python demo.py
+python demo2.py
+
+# Install the Twine package for uploading the distribution packages
+python -m pip install twine
+
+# Remove any existing build directory
+rm -rf build/*
+
+# Build a Wheel distribution package for the project
+python setup.py bdist_wheel
+
+# Upload any generated Wheel distribution packages using Twine
+twine upload dist/*.whl
+
+# Create a source distribution package for the project
+python setup.py sdist
+
+# Upload the generated source distribution package using Twine
+twine upload dist/pybgs-*.tar.gz
diff --git a/virtualenv-install-test.sh b/virtualenv-install-test.sh
new file mode 100644
index 0000000000..70958661cb
--- /dev/null
+++ b/virtualenv-install-test.sh
@@ -0,0 +1,30 @@
+# Remove the existing virtual environment if it exists
+rm -rf bgslibrary_test_env
+
+# Create a new virtual environment called bgslibrary_test_env using Python3
+python3 -m venv bgslibrary_test_env
+
+# Activate the newly created virtual environment
+source bgslibrary_test_env/bin/activate
+
+# Upgrade pip and install required packages numpy and OpenCV
+python -m pip install --upgrade pip
+python -m pip install numpy
+python -m pip install opencv-python
+
+# Build and install the package using the setup.py script
+# python setup.py build
+# python setup.py install
+
+# Set the PYTHONPATH environment variable to the build directory to access the installed library
+# The following line is for Linux
+# export PYTHONPATH=$PYTHONPATH:$PWD/build/lib.linux-x86_64-cpython-38
+# The following line is for Mac
+# export PYTHONPATH=$PYTHONPATH:$PWD/build/lib.macosx-11-x86_64-cpython-39
+
+# Install the pybgs directly from PyPI
+python -m pip install pybgs
+
+# Run demo.py and demo2.py to verify the package installation
+python demo.py
+python demo2.py