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Dimensions and Shape Control of Sub-assembled Sections using Digital Photogrammetry

Paper presents procedure of dimensional and shape control of the sub-assembled section using automated digital photogrammetry. In introduction, importance of accurate fabrication and dimensional and shape control in the shipbuilding are considered. Further, theoretical basis of the digital photogrammetry, measurement equipment and measurement procedure are described. The automated photogrammetric system TRITOP, presented in the paper, is used for 3D measurements, results processing and analysis. The phases of dimensional and shape control and possibilities of photogrammetric method are illustrated by example. A sub-assembled section is measured and 3D results are presented for every phase of the dimensional and shape control. Conclusion contains advantages of the digital photogrammetry, development and guidelines for future application.

Shipbuilding; dimensions control; digital photogrammetry

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