High-quality remote interactive imaging in the operating theatre

Ian J. Grimstead; Nick J. Avis; Peter Ll. Evans; Alan Bocca

doi:10.1117/12.811094

12 March 2009 High-quality remote interactive imaging in the operating theatre

Ian J. Grimstead, Nick J. Avis, Peter Ll. Evans, Alan Bocca

Author Affiliations +

Proceedings Volume 7263, Medical Imaging 2009: Image Perception, Observer Performance, and Technology Assessment; 72630C (2009) https://doi.org/10.1117/12.811094
Event: SPIE Medical Imaging, 2009, Lake Buena Vista (Orlando Area), Florida, United States

Abstract

We present a high-quality display system that enables the remote access within an operating theatre of high-end medical imaging and surgical planning software. Currently, surgeons often use printouts from such software for reference during surgery; our system enables surgeons to access and review patient data in a sterile environment, viewing real-time renderings of MRI & CT data as required. Once calibrated, our system displays shades of grey in Operating Room lighting conditions (removing any gamma correction artefacts). Our system does not require any expensive display hardware, is unobtrusive to the remote workstation and works with any application without requiring additional software licenses. To extend the native 256 levels of grey supported by a standard LCD monitor, we have used the concept of "PseudoGrey" where slightly off-white shades of grey are used to extend the intensity range from 256 to 1,785 shades of grey. Remote access is facilitated by a customized version of UltraVNC, which corrects remote shades of grey for display in the Operating Room. The system is successfully deployed at Morriston Hospital, Swansea, UK, and is in daily use during Maxillofacial surgery. More formal user trials and quantitative assessments are being planned for the future.

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Ian J. Grimstead, Nick J. Avis, Peter Ll. Evans, and Alan Bocca "High-quality remote interactive imaging in the operating theatre", Proc. SPIE 7263, Medical Imaging 2009: Image Perception, Observer Performance, and Technology Assessment, 72630C (12 March 2009); https://doi.org/10.1117/12.811094

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KEYWORDS

Calibration

Surgery

Spectroscopy

LCDs

Image quality

Light sources and illumination

Visualization

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