METHOD AND SYSTEM FOR RECOGNIZING URBAN FACILITIES Russian patent published in 2017 - IPC G06T17/00 G06K9/62 

FIELD: physics.

SUBSTANCE: method for recognizing the urban objects consists in treating the primary data comprising photographic data and laser scanning data representing the point cloud, and comprises the stages of: performing the obtained laser scanning data purification and checking the obtained primary photographic data; the cleared laser scanning data are pre-processed, in which: the construction of the normal to each point of the point cloud is carried out; the construction of the planes for the point sets of the point cloud is carried out; the construction of the terrain is carried out according to the built planes and normals by using the photogrammetric algorithms based on the photographic data; the sequential recognition of the static urban facilities is performed from the set of the cleaned laser scanning data and photographic data; and the construction of the polygonal model of each of the detected objects is carried out.

EFFECT: improving the accuracy of determining the urban facilities in model construction of the urban facilities, based on the laser scanning data and the photographic data.

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