Is there a better and more efficient way to identify clusters from an image?

So I have a video of moving bacterias which I have converted to images. Now I have to find the clusters of bacterias in each image. We define two neighboring bacteria as members of the same cluster if their centers of mass are separated by less than a distance R and if their motion directions differ by less than an angle alpha. A dynamic cluster is defined to include all bacteria that are connected to at least one other bacterium …

bacteria cluster clusters computervision identify image images moving video