Method and system for extracting floor area of multi-floor building
A construction area and extraction method technology, applied in the field of measurement, can solve problems such as low measurement efficiency and difficulty in ensuring and verifying data accuracy, and achieve the effects of reducing work intensity, ensuring accuracy, and improving extraction efficiency
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[0023] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0024] The invention discloses a method for extracting the construction area of a multi-storey house, which specifically includes the following steps: 1. Obtaining original data of a measured area, establishing a digital elevation model DEM of the measured area according to the original data, and performing the digital elevation model DEM Accuracy is determined, and the field area represented by each pixel in the elevation model is determined; 2. Count the number of pixels at different elevations, and obtain the graph of the change of the number of pixels with the change of elevation; 3....
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