Treatise of Digital Reconstruction and Restauration of Lace Porcelain

Acke, Lien; Vis, Kristel De; Kock, Tim De; Indekeu, Erik; Goethem, Johan Van; Akeleyen, Seth Van; Cornelis, Mathieu; Verlinden, Jouke; Verwulgen, Stijn

doi:10.1007/978-3-030-01762-0_2

Cited by 3 publications

(4 citation statements)

References 4 publications

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“…The proposed framework primarily aims to extract two‐dimensional contours from a built three‐dimensional T‐spline surface, characterize the deformation process of the two‐dimensional contour, and achieve local refinement capability to ensure the preservation of local details (Acke et al, 2018; Sederberg et al, 2003). The T‐spline surface intersects with a set of horizontal planes with successive height values to generate a set of intersecting lines.…”

Section: Methodsmentioning

confidence: 99%

“…Hence, the CMRTS attempts to derive two‐dimensional contours from the three‐dimensional surface. The three‐dimensional surface is constructed with the T‐spline technique, which presents local refinement capability for interpolating details of contour lines (Acke et al, 2018; Sederberg et al, 2003). First, a T‐spline surface is established using two contour lines at different fixed scales as boundary constraints.…”

Section: Introductionmentioning

confidence: 99%

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Method for continuous multiscale representation of terrain contours using T‐spline technique

Qian

Yang

Zuo

et al. 2022

Transactions in GIS

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Contours are the main graphical element for characterizing three‐dimensional terrain on a topographic map. Continuous multiscale representation of contours is crucial to meet users' needs for detailed information between fixed‐scale contours. Wherein shape of the contour should ideally progressively change as the scale continuously changes. However, the lack of a bridge between scale and shape deformation degrees is an obstacle in obtaining continuous multiscale contours. A novel method for continuous multiscale representation of contour based on T‐spline (CMRTS) is proposed. Multiscale contours are generated through interpolation of the T‐spline and constraint of the relationship between scale and shape similarity. First, a T‐spline surface is established using two fixed‐scale contours. Second, the T‐spline surface intersects a set of horizontal planes with gradual heights to generate intersecting lines. Finally, the quantitative relationship between the scale and shape similarity is determined to align each intersecting line with the corresponding scale and achieve continuous multiscale contours. A case study in Chongqing, China implements and evaluates the proposed method. Results indicate that shape changes of contours generated by CMRTS are more natural and progressive than those by two typical methods. Our method shows high potential and practicability for mapping continuous multiscale contours for real‐world terrain applications.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Method for continuous multiscale representation of terrain contours using T‐spline technique

Qian

Yang

Zuo

et al. 2022

Transactions in GIS

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“…In addition, the composition data provided by the manufacturer in technical datasheets is usually deficient and only refers to the material as a photopolymer resin. Nonetheless, certain authors have extensively contributed to the comprehension and application of the components of SLA/DLP materials in the cultural landscape (Acke et al, 2023;Maines et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Study of liquid photopolymer 3D printing resins exposed to accelerated aging for cultural heritage purposes

Higueras,

Carrasco-Huertas,

Calero-Castillo

et al. 2024

RPJ

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Purpose This paper aims to study the suitability of a selection of 3D printing liquid photopolymer resins for their application in the cultural heritage context. Design/methodology/approach The main concerns regarding the conservation and restoration of cultural assets are the chemical composition and long-term behavior of the new materials that will be in contact with the original object. Because of this, four different LED curing resins were exposed to an accelerated aging procedure and tested to identify the materials which demonstrated a better result. Some specific properties of the material (color, glossiness, pH and volatile organic compound emissions) were measured before and after the exposure. Findings Some of the properties measured reported good results demonstrating a decent stability against the selected aging conditions. The main changes were produced in the colorimetric aspect, probably indicating other chemical reactions in the material. Likewise, a case study could be also executed to demonstrate the usefulness of these materials in the cultural field. Research limitations/implications It is necessary to study in more detail the long-lasting behavior of the materials employed with these technologies. Further analysis should be carried out highlighting the chemical composition and degradation process of the materials proposed. Originality/value This paper contributes to the introduction of curing 3D printing resins in the restoration methodologies of cultural assets. For this, the study of a selection of properties represents the first stage to suggest or reject their use.

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“…Replicas can be 3D printed to allow the public and especially disabled people to manipulate objects (Ballarin et al, 2018;Neumüller et al, 2014). Virtual 3D models also help restoration field to virtually restore an object or formulate a hypothesis of how the object looked (Acke et al, 2018;Arbace et al, 2013;Hawotte, 2014;Zhao et al, 2018). It can be used in science for morphometrics (Chacón et al, 2016;Selden et al, 2014) or a comparison of similar objects in different museums or countries.…”

Section: Introductionmentioning

confidence: 99%

Exploiting 3d Multispectral Texture for a Better Feature Identification for Cultural Heritage

Mathys

Jadinon

Hallot

2019

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci.

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<p><strong>Abstract.</strong> 3D photogrammetric reconstruction and spectral imaging have already proven useful and are being used on a daily basis for studying cultural heritage. Dense Image Matching allows to create a virtual replica of the object that can be used for morphometric studies, for monitoring and conservation purposes, virtual access, reduced handling of fragile objects and share objects with a broad audience. 2D spectral imaging is used in the field of cultural heritage conservation to analyse the condition of an object, map a previous restoration, detect a change in composition, reveal sub-drawings, improve details, etc. A 2D image representation of a three-dimensional object is a limited field of view and lead frequently to a lack of information, especially for artifacts with complex geometries. The combination of both techniques is the next step toward a more complete and more objective record of an object, but it can also be a tool to improve the identification of details presents on artifacts. This study focuses on a methodology aiming to combine photogrammetry and spectral imagery acquired from a modified DSLR camera. Two case studies acquired with multispectral reconstruction techniques are analysed. They are used to demonstrate the advantages and disadvantages of the developed methodology. The obtained results show that spectral imaging reconstruction is highly related to used wavelengths. Infrared and ultraviolet fluorescence can enhance features identification of the objects that are not or less visible in classic white light photogrammetry. Combining 3D reconstruction and multispectral imagery can facilitate the readings and the understanding of the object. It can help conservator and researchers to better understand the objects and how to preserve them.</p>

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Treatise of Digital Reconstruction and Restauration of Lace Porcelain

Cited by 3 publications

References 4 publications

Method for continuous multiscale representation of terrain contours using T‐spline technique

Method for continuous multiscale representation of terrain contours using T‐spline technique

Study of liquid photopolymer 3D printing resins exposed to accelerated aging for cultural heritage purposes

Exploiting 3d Multispectral Texture for a Better Feature Identification for Cultural Heritage

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