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Open AccessArticle

Fused Transparent Visualization of Point Cloud Data and Background Photographic Image for Tangible Cultural Heritage Assets

College of Information Science and Engineering, Ritsumeikan University, Kusatsu 5258577, Japan
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ISPRS Int. J. Geo-Inf. 2019, 8(8), 343; https://doi.org/10.3390/ijgi8080343
Received: 30 June 2019 / Revised: 19 July 2019 / Accepted: 28 July 2019 / Published: 31 July 2019
(This article belongs to the Special Issue Historical GIS and Digital Humanities)
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Abstract

Digital archiving of three-dimensional cultural heritage assets has increased the demand for visualization of large-scale point clouds of cultural heritage assets acquired by laser scanning. We proposed a fused transparent visualization method that visualizes a point cloud of a cultural heritage asset in an environment using a photographic image as the background. We also proposed lightness adjustment and color enhancement methods to deal with the reduced visibility caused by the fused visualization. We applied the proposed method to a laser-scanned point cloud of a high-valued cultural festival float with complex inner and outer structures. Experimental results demonstrate that the proposed method enables high-quality transparent visualization of the cultural asset in its surrounding environment. View Full-Text
Keywords: transparent visualization; fused visualization; point cloud; cultural heritage; digital archiving transparent visualization; fused visualization; point cloud; cultural heritage; digital archiving
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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.

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