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. 2024 Aug 16;17:2701–2712. doi: 10.2147/JPR.S470285

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© 2024 Gao et al.

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The gesture software used to convert and immobilize the virtual image. (A) Direction gesture. Palm opened and inwards. The direction of the index finger represented the superior direction of the patient’s real lumbar spine. The HoloLens quickly recognized the gesture and automatically adjusted the superior direction of the virtual spine image to be consistent with the direction of the index finger. The virtual image could follow the movement of the palm close to the patient’s body. (B) Lock/unlock gesture. Make two fists in two seconds. The HoloLens automatically fixed the virtual image, which would no longer move with the palm. (C) The visual effect of the image conversion functions conducted by the gestured software in the HoloLens.