Method for acquiring high-precision three-dimensional deformation information of landslide
The invention discloses a method for obtaining high-precision three-dimensional deformation information of a landslide, and the method comprises the steps: obtaining a three-dimensional model of a to-be-measured landslide body according to a design construction drawing of the to-be-measured landslid...
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| creator | CAO XIUDING MENG QINGJIA ZHAO YIJIU GUO WEI WANG CHENHUI CHENG YUHUA |
| description | The invention discloses a method for obtaining high-precision three-dimensional deformation information of a landslide, and the method comprises the steps: obtaining a three-dimensional model of a to-be-measured landslide body according to a design construction drawing of the to-be-measured landslide body and point cloud data information obtained through three-dimensional laser scanning; performing unit division on the landslide mass, and dividing the landslide mass into a plurality of cubic units with set side lengths; establishing a landslide independent coordinate system, acquiring three-dimensional information of each cube unit in the landslide independent coordinate system, and constraining the distance between the adjacent cube units; establishing an adjustment equation set of the three-dimensional position relationship among the cube units according to the observed three-dimensional deformation of the partial cube units; and solving the adjustment equation set, and obtaining high-precision three-dimens |
| format | Patent |
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performing unit division on the landslide mass, and dividing the landslide mass into a plurality of cubic units with set side lengths; establishing a landslide independent coordinate system, acquiring three-dimensional information of each cube unit in the landslide independent coordinate system, and constraining the distance between the adjacent cube units; establishing an adjustment equation set of the three-dimensional position relationship among the cube units according to the observed three-dimensional deformation of the partial cube units; and solving the adjustment equation set, and obtaining high-precision three-dimens</description><language>chi ; eng</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; MEASURING ANGLES ; MEASURING AREAS ; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ; 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performing unit division on the landslide mass, and dividing the landslide mass into a plurality of cubic units with set side lengths; establishing a landslide independent coordinate system, acquiring three-dimensional information of each cube unit in the landslide independent coordinate system, and constraining the distance between the adjacent cube units; establishing an adjustment equation set of the three-dimensional position relationship among the cube units according to the observed three-dimensional deformation of the partial cube units; and solving the adjustment equation set, and obtaining high-precision three-dimens</description><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</subject><subject>MEASURING</subject><subject>MEASURING ANGLES</subject><subject>MEASURING AREAS</subject><subject>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</subject><subject>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</subject><subject>PHYSICS</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZIjyTS3JyE9RSMsvUkhMLizNLMrMS1fIyEzP0C0oSk3OLM7Mz1MoyShKTdVNycxNzQPxE3MUUlKBGnITS0CymXkIdn6aQk5iXkpxTmZKKg8Da1piTnEqL5TmZlB0cw1x9tBNLciPTy0uSExOzUstiXf2MzQ0NjcwNDM1dTQmRg0AiuI72g</recordid><startdate>20211126</startdate><enddate>20211126</enddate><creator>CAO XIUDING</creator><creator>MENG QINGJIA</creator><creator>ZHAO YIJIU</creator><creator>GUO WEI</creator><creator>WANG CHENHUI</creator><creator>CHENG YUHUA</creator><scope>EVB</scope></search><sort><creationdate>20211126</creationdate><title>Method for acquiring high-precision three-dimensional deformation information of landslide</title><author>CAO XIUDING ; 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performing unit division on the landslide mass, and dividing the landslide mass into a plurality of cubic units with set side lengths; establishing a landslide independent coordinate system, acquiring three-dimensional information of each cube unit in the landslide independent coordinate system, and constraining the distance between the adjacent cube units; establishing an adjustment equation set of the three-dimensional position relationship among the cube units according to the observed three-dimensional deformation of the partial cube units; and solving the adjustment equation set, and obtaining high-precision three-dimens</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| title | Method for acquiring high-precision three-dimensional deformation information of landslide |
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