A take on latency measurement for vision systems

Antoine Grégoire; Nathalie Roy; Simon Roy; Simon Potvin; Michel Dupuis; Anne Martel; Jean-Claude Bouchard

doi:10.1117/12.3018001

7 June 2024 A take on latency measurement for vision systems

Antoine Grégoire, Nathalie Roy, Simon Roy, Simon Potvin, Michel Dupuis, Anne Martel, Jean-Claude Bouchard

Proceedings Volume 13045, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXXV; 130450Q (2024) https://doi.org/10.1117/12.3018001
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States

Abstract

Latency in augmented vision systems can be defined as the total delay imposed on information propagating through a device with respect to a direct path. Latency is critically important in vision systems as it imposes a delay on reaction time. With the emergence of headborne augmented vision systems for dismounted soldiers and widespread usage of embedded digital processing in vision systems, latency becomes most critical in dynamic operational scenarios. As consequence, latency has been characterized in the recent years for various technologies including AR headsets, VR headsets and pilot helmets with integrated symbology overlay and night vision. These efforts have led to latency requirements that vary according to the application. However, as there is no standardized definition and testing methodology for latency in vision devices, it is difficult to compare latency values across devices and as stated by different manufacturers. We propose that latency be characterized as a set and not as a single value.

Conference Presentation

Citation Download Citation

Antoine Grégoire, Nathalie Roy, Simon Roy, Simon Potvin, Michel Dupuis, Anne Martel, and Jean-Claude Bouchard "A take on latency measurement for vision systems", Proc. SPIE 13045, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXXV, 130450Q (7 June 2024); https://doi.org/10.1117/12.3018001

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