Iana

@adamltyson Thanks for the review! - Replaced OpenCV connectedComponents with skimage label and regionprops. - Added 1 test (if it's not enough, please help me to come up with ideas...

Hi @adamltyson, there was a major problem that few z planes got almost entirely deleted. Please give me a few days to check if the new version of the processing...

 @adamltyson My newer version doesn't produce as bad artifacts as in your image above, but produces minor artifacts anyway. Not sure if I can improve it much. I abandoned...

@adamltyson Sure! If I have a radical improvement, I'll let you know and we'll open a new PR.