Characteristic building elevation surveying and mapping method based on images
A technology for building facades and elevation maps, applied in the field of surveying and mapping, can solve problems such as low measurement efficiency, failure to measure ancient building size data, and huge data volume.
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[0044] The present invention will be further described below in conjunction with the drawings.
[0045] 1. The establishment of characteristic building component library
[0046] The first step of the present invention is to use a high-resolution digital camera to collect image data of typical components or decorations in the facades of characteristic buildings, such as cornices, raised feet, horse head walls, eaves, column heads, and tiling in Huizhou architecture. , Bases, walls, roofs, gate towers, arches, arches, railings, etc., and the camera is directly facing the front and side of the component, so that the camera plane and the component plane are as parallel as possible, and make an information record for each frame of images collected on site And number, including GPS location information, orientation information, building name, age and brief characteristics, etc.; then return to the studio to use the computer software system to process the captured images and extract the ...
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