add all files

.gitignore

@@ -1,115 +1,115 @@
-# Byte-compiled / optimized / DLL files
-__pycache__/
-*.py[cod]
-*$py.class
-
-# C extensions
-*.so
-
-# Distribution / packaging
-.Python
-build/
-develop-eggs/
-dist/
-downloads/
-eggs/
-.eggs/
-lib/
-lib64/
-parts/
-sdist/
-var/
-wheels/
-share/python-wheels/
-*.egg-info/
-.installed.cfg
-*.egg
-MANIFEST
-
-# PyInstaller
-#  Usually these files are written by a python script from a template
-#  before PyInstaller builds the exe, so as to inject date/other infos into it.
-*.manifest
-*.spec
-
-# Installer logs
-pip-log.txt
-pip-delete-this-directory.txt
-
-# Unit test / coverage reports
-htmlcov/
-.tox/
-.nox/
-.coverage
-.coverage.*
-.cache
-nosetests.xml
-coverage.xml
-*.cover
-.hypothesis/
-.pytest_cache/
-
-# Translations
-*.mo
-*.pot
-
-# Django stuff:
-*.log
-local_settings.py
-db.sqlite3
-
-# Flask stuff:
-instance/
-.webassets-cache
-
-# Scrapy stuff:
-.scrapy
-
-# Sphinx documentation
-docs/_build/
-
-# PyBuilder
-target/
-
-# Jupyter Notebook
-.ipynb_checkpoints
-
-# IPython
-profile_default/
-ipython_config.py
-
-# pyenv
-.python-version
-
-# celery beat schedule file
-celerybeat-schedule
-
-# SageMath parsed files
-*.sage.py
-
-# Environments
-.env
-.venv
-env/
-venv/
-ENV/
-env.bak/
-venv.bak/
-
-# Spyder project settings
-.spyderproject
-.spyproject
-
-# Rope project settings
-.ropeproject
-
-# mkdocs documentation
-/site
-
-# mypy
-.mypy_cache/
-.dmypy.json
-dmypy.json
-
-# Pyre type checker
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
 .pyre/

detect_face_image.py

@@ -0,0 +1,21 @@
+import cv2
+
+# Load the cascade
+face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
+
+# Read the input image
+img = cv2.imread('test.jpg')
+
+# Convert into grayscale
+gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+
+# Detect faces
+faces = face_cascade.detectMultiScale(gray, 1.1, 4)
+
+# Draw rectangle around the faces
+for (x, y, w, h) in faces:
+    cv2.rectangle(img, (x, y), (x + w, y + h), (255, 0, 0), 2)
+
+# Display the output
+cv2.imshow('img', img)
+cv2.waitKey()

detect_face_video.py

@@ -0,0 +1,34 @@
+import cv2
+
+# Load the cascade
+face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
+
+# To capture video from webcam. 
+cap = cv2.VideoCapture(0)
+# To use a video file as input 
+# cap = cv2.VideoCapture('filename.mp4')
+
+while True:
+    # Read the frame
+    _, img = cap.read()
+
+    # Convert to grayscale
+    gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+
+    # Detect the faces
+    faces = face_cascade.detectMultiScale(gray, 1.1, 4)
+
+    # Draw the rectangle around each face
+    for (x, y, w, h) in faces:
+        cv2.rectangle(img, (x, y), (x+w, y+h), (255, 0, 0), 2)
+
+    # Display
+    cv2.imshow('img', img)
+
+    # Stop if escape key is pressed
+    k = cv2.waitKey(30) & 0xff
+    if k==27:
+        break
+
+# Release the VideoCapture object
+cap.release()

requirements.txt

@@ -1,2 +1,2 @@
-numpy==1.15.4
-opencv-python==3.4.3.18
+numpy==1.15.4
+opencv-python==3.4.3.18