Evaluation of Interaction Techniques for a Virtual Reality Reading Room in Diagnostic Radiology
summary
A virtual reading room prototype uses an HTC Vive headset with Leap Motion hand tracking to evaluate three interaction mappings — direct manipulation, semi-direct (object-referenced), and indirect (pinch gestures) — for the core radiology tasks of scrolling through slices and windowing contrast. A user study with nine radiologists finds direct interaction scores highest on attractiveness and pragmatic quality but reveals dependability problems from center-of-view selection and out-of-tracking-area loss; plans include gaze tracking, redesigned 3D model, and objective performance measurements.
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chapters (12)
- 0:00Introduction to VR in radiology
- 1:07Current radiology workflow challenges
- 3:00Potential of VR in diagnostics
- 4:49Research question and methodology
- 6:34Interaction design and Leap Motion
- 7:40Virtual environment setup
- 8:42Direct, semi-direct, and indirect interactions
- 9:25User study with radiologists
- 10:10Usability and user experience results
- 11:56Interaction concept comparisons
- 12:19Conclusion and future work
- 13:46Q&A session
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