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Articles

A dynamic holographic modelling method of digital twin scenes for bridge construction

, , , , , , , , , & show all
Pages 2404-2425 | Received 14 Nov 2022, Accepted 21 Jun 2023, Published online: 30 Jun 2023

Figures & data

Figure 1. Overview of the research framework.

Figure 1. Overview of the research framework.

Figure 2. Dynamic hologram segmentation algorithm with adaptive screen size concept diagram.

Figure 2. Dynamic hologram segmentation algorithm with adaptive screen size concept diagram.

Figure 3. Virtual camera linkage.

Figure 3. Virtual camera linkage.

Figure 4. Adaptive screen size holographic scene dynamic construction concept diagram.

Figure 4. Adaptive screen size holographic scene dynamic construction concept diagram.

Figure 5. Linear motion blur schematic.

Figure 5. Linear motion blur schematic.

Figure 6. Rotational motion blur schematic.

Figure 6. Rotational motion blur schematic.

Figure 7. Overview of the research framework experimental area.

Figure 7. Overview of the research framework experimental area.

Table 1. System development environment configuration

Figure 8. Prototype system interface.

Figure 8. Prototype system interface.

Figure 9. The time of holographic scene dynamic construction with adaptive screen size.

Figure 9. The time of holographic scene dynamic construction with adaptive screen size.

Figure 10. Scenario building efficiency gap evaluation chart.

Figure 10. Scenario building efficiency gap evaluation chart.

Table 2. Gap analysis evaluation form.

Figure. 11. Dynamic holographic scene-building at different screen resolutions. (a) Holographic source automatic construction and visualization at 1920 × 1080 resolution; (b) Holographic source automatic construction and visualization at 1920 × 1200 resolution; (c) Holographic source automatic construction and visualization at 1680 × 1050 resolution; (d) Holographic source automatic construction and visualization at 1440 × 1050 resolution.

Figure. 11. Dynamic holographic scene-building at different screen resolutions. (a) Holographic source automatic construction and visualization at 1920 × 1080 resolution; (b) Holographic source automatic construction and visualization at 1920 × 1200 resolution; (c) Holographic source automatic construction and visualization at 1680 × 1050 resolution; (d) Holographic source automatic construction and visualization at 1440 × 1050 resolution.

Figure 12. Dynamic and static holographic display comparison. (a) Dynamic; (b) Static display.

Figure 12. Dynamic and static holographic display comparison. (a) Dynamic; (b) Static display.

Figure 13. Motion blur optimization effect. (a) Original scene; (b) Optimized field of view scene (mobile); (c) Original scene; (d) Optimized field of view scene (rotate).

Figure 13. Motion blur optimization effect. (a) Original scene; (b) Optimized field of view scene (mobile); (c) Original scene; (d) Optimized field of view scene (rotate).

Figure 14. Scene triangular face ratio analysis before and after optimization.

Figure 14. Scene triangular face ratio analysis before and after optimization.

Figure 15. Frame rate comparison and analysis before and after optimization.

Figure 15. Frame rate comparison and analysis before and after optimization.

Table 3. Advantages of dynamic holographic modelling method.

Data Availability Statement

The data that support the findings of this study are available from the corresponding author, Zhu, upon reasonable request.