diff options
Diffstat (limited to 'opencv.html.markdown')
| -rw-r--r-- | opencv.html.markdown | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/opencv.html.markdown b/opencv.html.markdown index f8763b35..b083feb8 100644 --- a/opencv.html.markdown +++ b/opencv.html.markdown @@ -14,9 +14,9 @@ Opencv currently supports wide variety of languages like, C++, Python, Java etc #### Installation Please refer to these articles for installation of OpenCV on your computer. -* Windows Installation Instructions: [https://opencv-python-tutroals.readthedocs.io/en/latest/py_tutorials/py_setup/py_setup_in_windows/py_setup_in_windows.html#install-opencv-python-in-windows]() -* Mac Installation Instructions (High Sierra): [https://medium.com/@nuwanprabhath/installing-opencv-in-macos-high-sierra-for-python-3-89c79f0a246a]() -* Linux Installation Instructions (Ubuntu 18.04): [https://www.pyimagesearch.com/2018/05/28/ubuntu-18-04-how-to-install-opencv]() +* Windows Installation Instructions: [https://opencv-python-tutroals.readthedocs.io/en/latest/py_tutorials/py_setup/py_setup_in_windows/py_setup_in_windows.html#install-opencv-python-in-windows](https://opencv-python-tutroals.readthedocs.io/en/latest/py_tutorials/py_setup/py_setup_in_windows/py_setup_in_windows.html#install-opencv-python-in-windows) +* Mac Installation Instructions (High Sierra): [https://medium.com/@nuwanprabhath/installing-opencv-in-macos-high-sierra-for-python-3-89c79f0a246a](https://medium.com/@nuwanprabhath/installing-opencv-in-macos-high-sierra-for-python-3-89c79f0a246a) +* Linux Installation Instructions (Ubuntu 18.04): [https://www.pyimagesearch.com/2018/05/28/ubuntu-18-04-how-to-install-opencv](https://www.pyimagesearch.com/2018/05/28/ubuntu-18-04-how-to-install-opencv) ### Here we will be focusing on python implementation of OpenCV @@ -114,13 +114,15 @@ eye_cascade = cv2.CascadeClassifier('haarcascade_eye.xml') img = cv2.imread('human.jpg') gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) -aces = face_cascade.detectMultiScale(gray, 1.3, 5) +faces = face_cascade.detectMultiScale(gray, 1.3, 5) for (x,y,w,h) in faces: + # Draw a rectangle around detected face cv2.rectangle(img,(x,y),(x+w,y+h),(255,0,0),2) roi_gray = gray[y:y+h, x:x+w] roi_color = img[y:y+h, x:x+w] eyes = eye_cascade.detectMultiScale(roi_gray) for (ex,ey,ew,eh) in eyes: + # Draw a rectangle around detected eyes cv2.rectangle(roi_color,(ex,ey),(ex+ew,ey+eh),(0,255,0),2) cv2.imshow('img',img) @@ -133,12 +135,11 @@ cv2.destroyAllWindows() ### Further Reading: -* Download Cascade from [https://github.com/opencv/opencv/blob/master/data/haarcascades]() -* OpenCV drawing Functions [https://docs.opencv.org/2.4/modules/core/doc/drawing_functions.html]() -* An up-to-date language reference can be found at [https://opencv.org]() -* Additional resources may be found at [https://en.wikipedia.org/wiki/OpenCV]() +* Download Cascade from [https://github.com/opencv/opencv/blob/master/data/haarcascades](https://github.com/opencv/opencv/blob/master/data/haarcascades) +* OpenCV drawing Functions [https://docs.opencv.org/2.4/modules/core/doc/drawing_functions.html](https://docs.opencv.org/2.4/modules/core/doc/drawing_functions.html) +* An up-to-date language reference can be found at [https://opencv.org](https://opencv.org) +* Additional resources may be found at [https://en.wikipedia.org/wiki/OpenCV](https://en.wikipedia.org/wiki/OpenCV) * Good OpenCv Tutorials - * [https://opencv-python-tutroals.readthedocs.io/en/latest/py_tutorials/py_tutorials.html]() - * [https://realpython.com/python-opencv-color-spaces]() - * [https://pyimagesearch.com]() - * [https://www.learnopencv.com]() + * [https://realpython.com/python-opencv-color-spaces](https://realpython.com/python-opencv-color-spaces) + * [https://pyimagesearch.com](https://pyimagesearch.com) + * [https://www.learnopencv.com](https://www.learnopencv.com) |