At ~50 cm, Zivid 2M+ 60 self-reported best across all tests; ZED 2i worst on phantom

Using touch-probe sampling as the reference at about 50 cm, a comparison of four commercial depth sensors imaging pig bone, pig abdomen and a silicone kidney phantom found Zivid 2M+ 60 best on all objects and metrics, with ZED 2i second on real tissue and worst on the phantom; the test covered stereo, structured light and time-of-flight technologies.

Previously there was no such cross-technology accuracy comparison of medical depth sensors referenced to touch-probe sampling, leaving buyers unable to judge how sensors differ on real tissue versus phantoms.

The result is first-party self-reported, measured at a working distance of about 50 cm with touch-probe sampling as the reference baseline, covering four commercial devices and three test objects.

Boundary: the results are not independently reproduced; the data come from an arXiv preprint (first submitted June 11, updated to v2 on September 17, accepted at CURAC 2026, arXiv:2606.13028).

Source: arXiv:2606.13028 abstract page ↗