You Would Soon Visit Ancient Shanghai

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Believe it or not! architectural conservationists will create a 3-D digital replica of a historic area of Shanghai using photo-based modeling technology.
Liantang old town in Qingpu district, dates back to the Spring and Autumn Period (770-476 B.C.). However, over the years a large part has disappeared.
As the local government looks to restore the area, experts at Shanghai Jiao Tong University will use old photos and modern technology to create Liantang digitally.
Cao Yongkang, director of the college’s International Research Centre for Architectural Heritage Conservation said, part of the core area has been demolished and so they had a talk with the government about using our photo-based modeling techniques to help restore the original appearance of the destroyed buildings.
Cao’s team uses software that analyses old images of structures, as well as shots of the surrounding area to produceaccurate spatial data that can guide any restoration work.
The technology is still in the early stages and was first used here in 2001, when the centre was asked to help with research into restoring the tomb of Xu Guangqi, a mathematician and scientist in the Ming Dynasty (1368-1644 A.D.), in Shanghai’s Xujiahui area.

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