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Energy Demand in AR Applications—A Reverse Ablation Study of the HoloLens 2 Device
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Energy Demand in AR Applications—A Reverse Ablation Study of the HoloLens 2 Device
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Energy Demand in AR Applications—A Reverse Ablation Study of the HoloLens 2 Device
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Journal Article
Energy Demand in AR Applications—A Reverse Ablation Study of the HoloLens 2 Device
2024
Overview
This study presents a comprehensive analysis of power consumption in the context of AR applications on the HoloLens 2. As an ablation study, the research systematically dissects various aspects, shedding light on both hardware and software components. The power consumption was examined in diverse scenarios, ranging from the device at idle to running AR applications of increasing complexity. Overall, the study provides insights into the power management aspects associated with Hololens 2 AR devices and applications, offering cues for optimizing energy efficiency and enhancing the user experience. The findings confirm that display-related factors, such as the screen brightness and content complexity, significantly impact power consumption. However, the results reveal that power usage does not scale linearly with the number of objects in an AR scene due to overhead factors and object occlusion. Furthermore, usage scenarios such as lighting conditions and large/minor user motions are analyzed. Moreover, the influence of different development platforms, Unity and Unreal, on power consumption is discussed, highlighting their respective contributions to energy usage. These findings might be useful for researchers, developers, and users of AR technology.
Publisher
MDPI AG
