METHOD AND SYSTEM FOR AUTOMATED CONSTRUCTION OF VIRTUAL 3D SCENE BASED ON TWO-DIMENSIONAL SPHERICAL PHOTO PANORAMAS Russian patent published in 2024 - IPC G06T15/08 

FIELD: computer engineering.

SUBSTANCE: technical result is achieved by steps of: shooting at least two SPPs of surrounding space using a panoramic camera; forming a tree acyclic graph G with a single initial node in the first shooting point of the SPP, and each subsequent point of the shooting is the vertex of the graph G, connected by an edge with one of the previously captured points of the SPP; forming a point cloud based on the obtained SPP shooting data for each pair of points connected by the edges of the graph G; scene point cloud is formed by combining the obtained point clouds into a single coordinate system of the scene, using the constructed graph G, as well as the matrix R of vectors , calculated for each edge of the graph G; performing multistage filtering of scene point cloud by cascade of filters; creating 3D model in the form of a triangular mesh from the filtered point cloud of the scene; and forming virtual 3D scene based on the triangular grid, SPP images and the calculated values of the matrix R and the vector for each pair of SPP images.

EFFECT: high accuracy of constructing a virtual scene based on two-dimensional spherical photo panoramas using 3D camera.

5 cl, 18 dwg