Fused Transparent Visualization of Point Cloud Data and Background Photographic Image for Tangible Cultural Heritage Assets
Abstract
:1. Introduction
2. Fused Transparent Visualization of Point Cloud Data and Background Photographic Image
2.1. Fused Transparent Visualization Procedure
2.2. Application to a Laser-Scanned Point Cloud
3. Visibility Enhancement for Fused Transparent Visualization
3.1. Causes of the Problem
3.2. Lightness Adjustment
3.3. Color Enhancement
4. Experimental Results and Evaluations
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
Appendix A
References
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Lightness Adjustment | Color Enhancement | Fused Transparent Visualization |
---|---|---|
0.09 | 2.38 | 3.19 |
SPBR | Proposed Fused Transparent Visualization | Proposed Method with Lightness Adjustment | Proposed Method with Color Enhancement | Proposed Method with Lightness Adjustment and Color Enhancement | |
---|---|---|---|---|---|
Transparent visualization | Yes | Yes | Yes | Yes | Yes |
Fused visualization | No | Yes | Yes | Yes | Yes |
Visibility in regions with similar object-background colors (e.g., counters of the lanterns) | Poor | Poor | Good | Poor | Good |
Visibility in regions with few projected points (e.g., patterns of the lanterns) | Poor | Poor | Poor | Good | Good |
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Li, L.; Hasegawa, K.; Nii, I.; Tanaka, S. Fused Transparent Visualization of Point Cloud Data and Background Photographic Image for Tangible Cultural Heritage Assets. ISPRS Int. J. Geo-Inf. 2019, 8, 343. https://doi.org/10.3390/ijgi8080343
Li L, Hasegawa K, Nii I, Tanaka S. Fused Transparent Visualization of Point Cloud Data and Background Photographic Image for Tangible Cultural Heritage Assets. ISPRS International Journal of Geo-Information. 2019; 8(8):343. https://doi.org/10.3390/ijgi8080343
Chicago/Turabian StyleLi, Liang, Kyoko Hasegawa, Itaru Nii, and Satoshi Tanaka. 2019. "Fused Transparent Visualization of Point Cloud Data and Background Photographic Image for Tangible Cultural Heritage Assets" ISPRS International Journal of Geo-Information 8, no. 8: 343. https://doi.org/10.3390/ijgi8080343