Any system has failure modes. The advantage of a visual system is that it is also useful for human beings. Especially given how the original article talks about

Any system has failure modes. The advantage of a visual system is that it is also useful for human beings. Especially given how the original article talks about semi-automated settings, this type of collaborative approach could prove fruitful. It sounded like ToF did not work very well for them across the entire environment due to lots and lots of little steel cages (i.e. cargo crates) too.