Question Search marker

[Stepan]

I need to find a marker on an image using a webcam in real time. I need to find exactly this marker and nothing else besides it. How can this be done?

 

[Stepan]

Anyway, in your shoes I would likely research how QR code scanning works with a focus (pun intended) on how it first finds the 3 reference squares in the corners of the QR code. How does it even determine that they are the reference squares?

Initially, I wanted to make a black frame in the circle of the target, but my supervisor said that let there be these things so that they can be used to find the target. Although the camera does not see them well even without processing. And it works like this: we find a group of pixels white black white black black.... But at the same time, the camera focuses more on black and highlights dark objects. I don't know what to do anymore.

 

[Skydiver]

The question and answer are in Python, but OpenCV is usable in C# as well, so this might lead you to an answer:

Detecting a pattern in an image and retrieving its position

I have a 1920x1080 image. I need to get the location for each rectangle in the image. Preferably as 2 points (upper-left, lower right). I am fairly new to Python. I think of maybe using the opencv

stackoverflow.com