The Remove overlapping detections parameter does not disable global nms processing at the end, but it should do. Here - easy to fix in next release.
The final NMS is blocking during processing an extra large area with a large amount of objects. We should introduce here also tile processing, avoiding processing all detections at the same time.
I discovered two issues:
Remove overlapping detections
parameter does not disable global nms processing at the end, but it should do. Here - easy to fix in next release.