Dec 19, 2017 | By David

The task of archiving objects that are important for historical, scientific, or cultural reasons is one that has been made significantly easier and more efficient recently as a result of 3D technology. We reported not long ago on a project that will see the establishment of a major archive composed of 3D scans of animal anatomies, for research and educational purposes. In a similar vein, a team of researchers from Russia, China and India have started developing software that will allow for the 3D scanning of urban infrastructure, and they have already received an award for their work.

Credit: Peter the Great St.Petersburg Polytechnic University

The project is being undertaken by specialists from Peter the Great St. Petersburg Polytechnic University (SPbPU), in collaboration with the East China Normal University and the Indian Institute of Technology Roorkee. The team was the winner of an International Scientific Consortiums prize in the field of Science, Technology and Innovation. This is part of a programme organized by the BRICS association, a group of recently industrialized, emerging national economies: Brazil, India, Russia, China and South Africa. The BRICS STI Framework Programme was established in 2015 as a way to facilitate internatonal cooperation, in order to find solutions to issues relating to sustainable agriculture, food security, natural disasters, water resources, pollution treatment and more.

Credit: Peter the Great St.Petersburg Polytechnic University

"In cooperation with our foreign colleagues, we analyze the point clouds, obtained by laser scanner survey technologies and develop the software that enables to recognize the particular features of the materials, the texture of the objects and its changes. Our developments can be used for monitoring and repair of the road infrastructure, as well as on the preservation of objects of cultural and historical heritage", said Vladimir Badenko, professor of Institute of Civil Engineering SPbPU.

The software that is being developed is intended to analyze the raw data captured by 3D laser scanning technology and photography, into useful information about objects that make up the urban infrastructure. This software will prove invaluable for all stages of the objects’ lifecycles, as the information can be used for early detection of defects, building information modelling as well as renovation projects.

Developments can be used for repair and preservation of objects. Credit: Peter the Great St.Petersburg Polytechnic University

The first stage of processing the data is the transformation of the object imaging into point clouds of suitable density. For these point clouds' visualization, researchers first create image projections and then combine them with photography data. This significantly improves the quality of the segmentation of laser scanning point clouds. Using these projections for object modeling enables the display all three-dimensional data on a two-dimensional plane, i.e. the computer screen. This also allows the improvement and optimization of the image quality as well as processing speed. In addition, the process helps with the adjustment of the object to the required display scale, and helps users to obtain the most accurate image of a particular part of the infrastructure, without shadows or other noisy elements.

As well as using the team’s specially developed software for this project, a significant amount of the urban infrastructure data will be processed using the facilities of the ‘Polytechnic’ Supercomputer Center, at Peter the Great St. Petersburg Polytechnic University. This is not the first time this institution has been at the forefront of developments in 3D technology. Its commitment to innovation in this field was demonstrated recently with the production of a electric generator expansion turbine, using 3D printing. This is part of a growing footprint for Russia as a whole, in cutting-edge sustainable energies as well as additive manufacturing.



Posted in 3D Scanning



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