Comparative analysis shows depth-based registration reduces setup time in AR-assisted surgery, suggesting improved usability over marker-based methods.
We conducted a comparative study of depth-based vs. marker-based registration in 20 phantom and 5 cadaver trials. Metrics included TRE, setup time, and usability scores. Depth-based registration achieved mean TRE of 1.3 mm, close to marker-based 1.1 mm, but reduced setup time from 21 min to 8 min. Surgeon surveys rated depth-based usability 30% higher, citing faster workflow integration. Results confirm depth-based AR as a clinically viable alternative.
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Harris et al. (2025) studied this question.
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