A real-time video-rate 4D MHz-OCT microscope with high definition and low latency virtual reality display

Wolfgang Draxinger; Yoko Miura; Christin Grill; Tom Pfeiffer; Robert Huber

doi:10.1117/12.2527177

19 July 2019 A real-time video-rate 4D MHz-OCT microscope with high definition and low latency virtual reality display

Wolfgang Draxinger, Yoko Miura, Christin Grill, Tom Pfeiffer, Robert Huber

Proceedings Volume 11078, Optical Coherence Imaging Techniques and Imaging in Scattering Media III; 1107802 (2019) https://doi.org/10.1117/12.2527177
Event: European Conferences on Biomedical Optics, 2019, Munich, Germany

Abstract

We implemented a real-time video-rate 4D-OCT system with virtual reality display. To achieve the required low latencies we optimized the dataflow path and the placement of the necessary synchronization points. Employing temporal reprojection enables to perform volume rendering at 1/3 of the display refresh rate, yet maintaining smooth updates to the HMD; thus we achieve display updates at 90Hz, volume rendering at 30Hz and C-scan acquisition at <15Hz. By mounting of a tracking accessory to the scanning head we can render the OCT volume in virtual space in the position of the actual imaging volume.

Citation Download Citation

Wolfgang Draxinger, Yoko Miura, Christin Grill, Tom Pfeiffer, and Robert Huber "A real-time video-rate 4D MHz-OCT microscope with high definition and low latency virtual reality display", Proc. SPIE 11078, Optical Coherence Imaging Techniques and Imaging in Scattering Media III, 1107802 (19 July 2019); https://doi.org/10.1117/12.2527177

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