Automatic colony counting in a Petri Dish

 Reactiv’IP developed a dedicated python macro based on the IPSDK library to count and measure colonies present in a Petri Dish.

Petri Dish with the detected colonies marked with different colours.

This system allows to quickly count the number colonies present in a Petri Dish (in this case 255).

Thanks to this segmentation we also obtain measures calculated for each object detected.

Petri_EasyValues

More complex example

With IPSDK, it’s also possible to adapt the script to analyse more complex image. For example, on the right, we can see a Petri Dish, with a red marker with a lot of very small colonies. In this case, the detection is very good compared to a human counting.