SPATIAL MODELLING SYSTEM FOR MODELLING SPATIAL DATA BY EXTRACTING COMMON FEATURE USING COMPARISON PROCESS BETWEEN COORDINATE INFORMATION OF TARGET OBJECT EXTRACTED FROM CORRECTED IMAGE AND COORDINATE INFORMATION OF ARIAL PHOTOGRAPH

摘要

The present invention relates to a spatial modeling system for modeling spatial data through common point extraction, comprising: a captured image acquiring module for acquiring image information from a plurality of cameras; A GPS receiving module for receiving GPS information from a satellite and obtaining current position information of the camera; An inertia measurement module for obtaining horizontal information of the camera using a plurality of sensors; An image processing module for correcting the image information based on the image information, the current position information, and the horizontal information; A control module for controlling the image information, current position information and horizontal information to be transmitted to the image processing module; And a buffer for storing the image information; An aerial photograph database for receiving and storing the image information from the mobile mapping device or receiving and storing aerial photograph data from an external database; An object extraction module for extracting a target object from the corrected image acquired by the image processing module; An object positioning module for obtaining coordinate information of the target object based on the extracted center point of the target object; An aerial photograph extracting module for extracting coordinate information of an aerial photograph corresponding to the image information from the aerial photograph database; The method of claim 1, wherein the matching of the object and the coordinate information of the aerial photograph is performed by comparing the coordinate information of the object and the coordinate information of the aerial photograph, And the pixel size of the common point is calculated by the following equation (Where, L (x, y) represents a filtered image function), and the direction information of the common point is obtained by the following equation A coordinate comparison module obtained by the coordinate comparison module; And a three-dimensional modeling module for acquiring three-dimensional spatial data using coordinate information of a target object obtained from the matching check resu A communication module for receiving request information on a space modeling service from a user, transmitting the request information to a mobile mapping device, an aerial photograph database, and a data processing module, and transmitting the three-dimensional spatial data acquired from the data processing module to a user; And an update module for transmitting the data stored in the buffer to the image processing module or the data processing module to perform update, wherein the three-dimensional modeling module obtains three-dimensional coordinates of the target object, wherein Z The axis coordinate value is calculated from the Y coordinate (Y_l) of the image obtained from the left camera, the average value of the Y coordinate (Y_r) of the image obtained from the right camera, the focal distance (f) Based on the following equation And a spatial modeling system using the spatial modeling system.