How to identify different objects in an image?

Question

I\'m intending to write a program to detect and differentiate certain objects from a nearly solid background. The foreground and the background have a high contrast difference w

Answer 1

These posts will get you started:

• How to detect circles

• How to detect squares

• How to detect a sheet of paper (advanced square detection)

You will probably have to adjust some parameters in these codes to match your circles/squares, but the core of the technique is shown on these examples.