{"id":12201,"date":"2022-04-10T10:54:25","date_gmt":"2022-04-10T09:54:25","guid":{"rendered":"http:\/\/www.keris-studio.fr\/blog\/?p=12201"},"modified":"2023-03-05T13:36:10","modified_gmt":"2023-03-05T12:36:10","slug":"boat-survey-kifanlo-several-technics-comparison","status":"publish","type":"post","link":"https:\/\/www.keris-studio.fr\/blog\/?p=12201","title":{"rendered":"Boat Survey: Kifanlo several technics comparison"},"content":{"rendered":"

Kifanlo part1<\/h1>\n

Presentation<\/h1>\n

Built in 1955 in Les Sables d’Olonne, the KIFANLO was classified as a historical monument in 1984. She is one of the 16 identical hull trawlers launched by the Batifort shipyard between 1945 and 1957. The Kifanlo is a tuna trawler made of wood with mixed propulsion. She is 16.37 metres long, with a tonnage of 27.51 tons, and is equipped with a 120 hp Poyaud engine. (more at https:\/\/oceam.org\/presentation-du-kifanlo<\/a>)<\/p>\n

\"Le<\/p>\n

https:\/\/actu.fr\/pays-de-la-loire\/les-sables-d-olonne_85194\/le-kifanlo-fete-ses-60-ans_9405650.html<\/em><\/a><\/p>\n

The boat is being restored, and before any action, we conducted a photogrammetric survey.<\/p>\n

Methodology<\/h1>\n

Several methods have been used in order to compare metrological results: classic from camera shots, using IPad pro and Lidar and 360 camera.<\/p>\n

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With DSLR camera<\/h2>\n

dslr camera give with no surprise excellent results. <\/p>\n

With 310 cameras the model is covered.<\/p>\n

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Aligned with sparse cloud<\/p>\n

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Dense cloud with 61, 166,938 points !!!<\/p>\n

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Reconstructed model, meshing<\/p>\n

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The model is cleaned, the aim here was to keep only the hull to study the deformations.<\/p>\n

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After removing the ground and stands<\/p>\n

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See the simplified model exported in sketchfab<\/p>\n