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In this video on OpenCV Python Tutorial For Beginners, I am going to show How to Draw geometric shapes on images using Python OpenCV.
You will learn these functions : cv.line(), cv.circle() , cv.rectangle(), cv.ellipse(), cv.putText() etc.
cv2.line() : Used to draw line on an image.
cv2.rectangle() : Used to draw rectangle on an image.
cv2.circle() : Used to draw circle on an image.
cv2.putText() : Used to write text on image.
Gist of code I used in this video (OpenCV & Python – Drawing shapes and text on images (cv2)) –
pip is a package management system used to install and manage software packages written in Python.
OpenCV is an image processing library created by Intel and later supported by Willow Garage and now maintained by Itseez. opencv is available on Mac, Windows, Linux. Works in C, C++, and Python.
it is Open Source and free. opencv is easy to use and install.
Starting with an overview of what the course will be covering, we move on to discussing morphological operations and practically learn how they work on images. We will then learn contrast enhancement using equalization and contrast limiting. Finally we will learn 3 methods to subtract the background from the video and implement them using OpenCV.
At the end of this course, you will have a firm grasp of Computer Vision techniques using OpenCV libraries. This course will be your gateway to the world of data science.
Feel the real power of Python and programming! The course offers you a unique approach of learning how to code by solving real world problems.
#ProgrammingKnowledge #ComputerVision #OpenCV
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Hello thanks for the tutorials. My autocomplete works for a few second when I open the pycharm then it stops working. It is only for opencv there is no problem for numpy. I searched a lot but I could not find a solution do you have any idea why autocomplete is not working ?
thanks man I learned a lot from your videos
What kind of element is the third argument in the list of np.zeros([512, 512, ?], you said first is the height, then the width. and the third argument is?? I am following your excellent videos one by one and practicing in Pycharm, you are one of my OpenCV heroes haha. Thank you a lot!
How can we get x,y coordinates after drawing rectangles
Thanks a lot .That's good. It is a nice and understandable video.
What does 3 represent in the height and width method in the np.zeros function
what IDE are you using?
thanks a lot
Hey nice video!
I have 1 question:
the color format is rgb why is:
0,0,255 red
and 255,0,0 blue
Do i miss anything or dont understand? For my understanding red should be 255,0,0 for r and blue should be 0,0,255 for blue?
Greetings.
can someone help me understand the grid that he is using for the shapes? all I see is that 0,0 is on the top left corner.
what a helpful tutorial, please tell me you will continue it!!! Thanks a lot, really.
who's that model.!!
what is uint8 ??
very helpful sir admire it like it share it
Amazing tutorial series sir, thanks a lot..one question, I don't know but the webcam light didn't turn off..evern after cap.release() ….command.
Please make a tutorial on Concurrency (Tasks and Asyncio) and Multiprocessing , its bit difficult to understand
What operating system you are using ?
Gist of code I used in this video – http://www.codebind.com/python/opencv-python-tutorial-beginners-draw-geometric-shapes-images-using-python-opencv/