Existing telestrator-based surgical telementoring systems require a trainee surgeon to shift focus frequently between the operating field and a nearby monitor to acquire and apply instructions from a remote mentor. We present a novel approach to surgical telementoring where annotations are superimposed directly onto the surgical field using an augmented reality (AR) simulated transparent display. We present our first steps towards realizing this vision, using two networked conventional tablets to allow a mentor to remotely annotate the operating field as seen by a trainee. Annotations are anchored to the surgical field as the trainee tablet moves and as the surgical field deforms or becomes occluded. The system is built exclusively from compact commodity-level components—all imaging and processing are performed on the two tablets.
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We thank Sthitapragyan Parida for his help with the implementation and demonstration of our telementoring system. We thank Chun-hao Hsu and Aviran Malik for their help with the tablet mount system used in our experiments. We thank Meng-Lin Wu, Xiaoxian Dong, Chengyuan Lin, and the entire computer graphics group at the computer science department of Purdue University for their feedback on this work.
This work was supported by the Office of the Assistant Secretary of Defense for Health Affairs under Award No. W81XWH-14-1-0042. Opinions, interpretations, conclusions and recommendations are those of the author and are not necessarily endorsed by the Department of Defense.
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Andersen, D., Popescu, V., Cabrera, M.E. et al. Virtual annotations of the surgical field through an augmented reality transparent display. Vis Comput 32, 1481–1498 (2016). https://doi.org/10.1007/s00371-015-1135-6
- Augmented reality
- Annotation anchoring