Proceedings of the CIPA WG 6 International Workshop on Scanning for Cultural Heritage Recording

Böhler, Wolfgang

Bibliographic data

Monograph

Persistent identifier:: 830281592

Title:: Proceedings of the CIPA WG 6 International Workshop on Scanning for Cultural Heritage Recording

Sub title:: September, 1 - 2, 2002, Corfu, Greece

Scope:: 159 Seiten

Year of publication:: 2002

Place of publication:: Thessaloniki

Publisher of the original:: Publ. ZITI

Identifier (digital):: 830281592

Illustration:: Illustrationen

Signature of the source:: T 15 B 1303

Language:: English

Additional Notes:: Literaturangaben

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Editor:: Böhler, Wolfgang

Corporations:: International Workshop on Scanning for Cultural Heritage Recording, 2002, Kerkira; ICOMOS/ISPRS Committee for Documentation of Cultural Heritage

Adapter:: International Workshop on Scanning for Cultural Heritage Recording, 2002, Kerkira; ICOMOS/ISPRS Committee for Documentation of Cultural Heritage

Founder of work:: International Workshop on Scanning for Cultural Heritage Recording, 2002, Kerkira; ICOMOS/ISPRS Committee for Documentation of Cultural Heritage

Other corporate:: International Workshop on Scanning for Cultural Heritage Recording, 2002, Kerkira; ICOMOS/ISPRS Committee for Documentation of Cultural Heritage

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2015

Document type:: Monograph

Collection:: Earth sciences

Chapter

Title:: 5. PROJECTS AND EXPERIENCES

Document type:: Monograph

Structure type:: Chapter

Chapter

Title:: THEALASERMETRY: A HYBRID APPROACH TO DOCUMENTATION OF SITES AND ARTEFACTS. Claude E. Borg and Joseph A. Cannataci

Document type:: Monograph

Structure type:: Chapter

- 144 - a 3D crystal glass cube. Spatial forward intersection of 2 infrared Laser beams, verified as Two-Step Upconversion, gains the Voxels. It is liked to emphasize, from a consequently dealing with the principals of Spatial data visualization, even the future of the whole computer industry might change, in order to replace or to complete the 2dimensional screen generation. 2. METHODS FOR VIRTUAL SPATIAL 3D SCANNER DATA PRESENTATION According to the image definition, a Laser Scanner should fulfil both, Geometric as well as Radiometric requirements. This is basically illustrated in Figure 2 and 3, which, for archaeological objects in Patara, the antique capital of the province of Lycia (Turkey) show comparisons of the results of a Laser Scanner surveying (left image) with oblique photography of the same object (right image). This samples clearly indicate the lack of detail resolution due to the lack of Radiometric information for this particular Laser Scanner data, while the conventional photographs shows satisfactory detail resolution. Both samples demonstrate the necessity for a combination of Geometric and Radiometric Laser Scanner data. Neglecting this requirements shows results lacking detail resolution, which might even lead to a practical inability of particular Laser Scanner results. A combination of Geometric and Radiometric data obviously is necessary, as already verified for advanced Spatial Laser scanning technology. Beside simultaneous registration, corresponding Geometric and Radiometric data can also gained from suited spatial transformations of Radiometric image data into 3D Geometric Scanner data. Figure 2 shows the result of a 3D Laser Scanner surveying of the antique theatre in Patara (Turkey) (left image) in comparison with a stereo mate of an oblique photograph of the same object (right image). Figure 3 shows a comparison of the result of a Laser Scanner surveying of the antique main gate in Patara (Turkey) (left image) with the stereo mate of an oblique photograph of the same object (right image). In any case Spatial Scanner data can be looked at as Voxels, stored in a 3dimensinional raster data matrix, which is the database for different image transformations, in order to derive synthetic digital stereo mates, suited for conventional methods for virtual 3D data presentation and stereo viewing . To verify this, as usual, two images of the same object, gained from two different simulated viewing positions with at least approximately parallel look directions have to be processed. It shall clearly be stated, in principle the derived stereo mates can be of real or synthetic origin!

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