OpenCV Python Tutorial For Beginners 5 – Draw geometric shapes on images using Python OpenCV

///OpenCV Python Tutorial For Beginners 5 – Draw geometric shapes on images using Python OpenCV

OpenCV Python Tutorial For Beginners 5 – Draw geometric shapes on images using Python OpenCV

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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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By |2020-02-22T01:54:46+00:00February 22nd, 2020|Python Video Tutorials|18 Comments

18 Comments

  1. Ömer Köse February 22, 2020 at 1:54 am - Reply

    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 ?

  2. גלעד דותן February 22, 2020 at 1:54 am - Reply

    thanks man I learned a lot from your videos

  3. Andres Pereira February 22, 2020 at 1:54 am - Reply

    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!

  4. Blue Moon February 22, 2020 at 1:54 am - Reply

    How can we get x,y coordinates after drawing rectangles

  5. 于风 February 22, 2020 at 1:54 am - Reply

    Thanks a lot .That's good. It is a nice and understandable video.

  6. aneesh poduval February 22, 2020 at 1:54 am - Reply

    What does 3 represent in the height and width method in the np.zeros function

  7. Leonardo Siqueira February 22, 2020 at 1:54 am - Reply

    what IDE are you using?

  8. Hồng Luân Phạm Đặng Mạnh February 22, 2020 at 1:54 am - Reply

    thanks a lot

  9. Michael Schöne February 22, 2020 at 1:54 am - Reply

    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.

  10. Daniel Chung February 22, 2020 at 1:54 am - Reply

    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.

  11. Luis Augusto Libório February 22, 2020 at 1:54 am - Reply

    what a helpful tutorial, please tell me you will continue it!!! Thanks a lot, really.

  12. Raviraj Gardi February 22, 2020 at 1:54 am - Reply

    who's that model.!!

  13. Punit Choudhary February 22, 2020 at 1:54 am - Reply

    what is uint8 ??

  14. Nadun Udana February 22, 2020 at 1:54 am - Reply

    very helpful sir admire it like it share it

  15. Skill F February 22, 2020 at 1:54 am - Reply

    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.

  16. praveen kulkarni February 22, 2020 at 1:54 am - Reply

    Please make a tutorial on Concurrency (Tasks and Asyncio) and Multiprocessing , its bit difficult to understand

  17. Data Insufficient February 22, 2020 at 1:54 am - Reply

    What operating system you are using ?

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