Method for calculating earthwork volume of excavation and filling based on low-altitude remote sensing and three-dimensional reconstruction technology
A technology of 3D reconstruction and low-altitude remote sensing, which is applied in computing, 3D modeling, image data processing, etc., can solve problems such as low work efficiency and large human error, achieve low equipment cost, fast sampling rate, and improve data accuracy.
Pending Publication Date: 2019-03-08
POWERCHINA CHENGDU ENG
View PDF6 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0004]
The technical problem to be solved by the present invention is to provide a method for calculating the volume of excavated and filled earth and rocks based on low-altitude remote sensing and three-dimensional reconstruction technology to solve the problems of large human error and low work efficiency
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0019] Aiming at the problems in the prior art of calculating the volume of monitored objects in the field such as heavy workload, large human errors, and low work efficiency, the present invention provides a method for calculating the volume of excavated and filled earth and rocks based on low-altitude remote sensing and three-dimensional reconstruction technology. First, in Place a number of length scales in the area to be monitored; obtain multiple initial images of the same area to be monitored at different angles in a periodic manner; then, the system extracts the connection points from the initial images; generates a TIN triangulation network based on the image data and the reference length of the scale, thereby Realize the reconstruction of the 3D model of the area to be monitored and generate a 3D model of the area to be monitored; finally, the system performs convergence calculations based on the unchanged areas of the two-phase 3D models, and fits the two-phase models ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to the field of soil and water conservation monitoring, and discloses a method for calculating earthwork volume of excavation and filling based on low-altitude remote sensing andthree-dimensional reconstruction technology, which solves the problems of large human error and low working efficiency. The method comprises the steps of at first arranging a plurality of length gauge in that area to be monitor; acquiring multiple initial images of different angles of the same area to be monitored in a periodic form; then using the system to extract the connection points from theinitial image; according to the image data and the reference length of the scale, generating TIN triangulation, so as to realize the reconstruction of the three-dimensional model of the region to bemonitored and generate the three-dimensional model of the region to be monitored; and finally using the system to calculate the convergence according to the unchanged region of the two-phase three-dimensional model, and fitting the two-phase model together with the minimum convergence value, so as to calculate the variance with the minimum error contrast. The invention is suitable for calculatingthe soil slag quantity and the like.
Description
technical field [0001] The invention relates to the field of soil and water conservation monitoring, in particular to a calculation method for excavated and filled earth and stone volume based on low-altitude remote sensing and three-dimensional reconstruction technology. Background technique [0002] Soil and water conservation monitoring refers to the long-term investigation, observation and analysis of the occurrence, development, hazards and benefits of soil and water conservation. Through soil and water conservation monitoring, understand the types, intensity and distribution characteristics of soil and water loss, hazards and their impact, occurrence and development, and dynamic trends in the target area, and make macro decisions on comprehensive control of water and soil erosion and ecological environment construction, as well as scientific, reasonable and systematic measures. The deployment of various soil and water conservation measures is of great significance, and...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More IPC IPC(8): G06T17/00
CPCG06T17/00Y02A90/30
Inventor 孙大东秦甦戴松晨张磊周杰詹晓敏周湘山
Owner POWERCHINA CHENGDU ENG