WO2021168989A1 - 一种输电线路廊道多源空间数据库构建方法和装置 - Google Patents
一种输电线路廊道多源空间数据库构建方法和装置 Download PDFInfo
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- WO2021168989A1 WO2021168989A1 PCT/CN2020/082688 CN2020082688W WO2021168989A1 WO 2021168989 A1 WO2021168989 A1 WO 2021168989A1 CN 2020082688 W CN2020082688 W CN 2020082688W WO 2021168989 A1 WO2021168989 A1 WO 2021168989A1
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/23—Updating
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
- G06T7/33—Determination of transform parameters for the alignment of images, i.e. image registration using feature-based methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10028—Range image; Depth image; 3D point clouds
Definitions
- This application relates to the technical field of data processing, and in particular to a method and device for constructing a multi-source spatial database of a transmission line corridor.
- transmission line corridors are faced with a large number of repeated spatial data collections.
- This type of data often has complex attributes such as different sensors, different time phases, and different spatial positioning accuracy, and lacks strong correlation. . Therefore, the existing industry users only perform patrol inspection and fault analysis on the currently collected data, without other in-depth applications, resulting in a serious waste of historical data.
- the existing spatial data solutions mainly focus on the description of conventional management technologies such as rapid storage, query and update of massive amounts of big data, while ignoring the importance of high-precision registration, fusion technology and linkage management between data in different periods Therefore, how to perform high-precision registration and fusion of these complex multi-period and multi-source spatial data, realize data linkage management and update, and perform analysis and inversion based on time series through different temporal data to obtain more complete analysis results , Is a problem that needs to be solved urgently.
- This application provides a method and device for constructing a multi-source spatial database of transmission line corridors, which are used to provide a multi-source that performs high-precision registration and fusion of complex multi-period multi-source spatial data, and realizes data linkage management and update Spatial database construction method.
- the first aspect of this application provides a method for constructing a multi-source spatial database of transmission line corridors, including:
- the transmission line corridor spatial data including 2D raster image data, 3D point cloud data and thematic data;
- the construction of a spatial data index based on the indexing technology on the spatial data of transmission line corridors in the same time phase includes:
- the construction of a spatial data index on the transmission line corridor spatial data of the same time phase based on the indexing technology further includes:
- a tile index is constructed for the 3D point cloud data in the transmission line corridor spatial data at the same time phase.
- the construction of a spatial data index based on the indexing technology for the spatial data of the transmission line corridor in the same time phase further includes:
- a spatial data index is constructed for the thematic data in the transmission line corridor spatial data of the same time phase based on key point positions and attributes, and the attributes include a number, a line name or an identifier.
- the registering the transmission line corridor spatial data of different time phases and outputting the registration result includes:
- the registering the transmission line corridor spatial data of different time phases and outputting the registration result further includes:
- the pre-processed 3D point cloud data is registered based on the closest point iterative registration algorithm, and a 3D point cloud pair is output.
- the second aspect of the present application provides a device for constructing a multi-source spatial database of a transmission line corridor, including:
- An index building module which is used to construct a spatial data index for the transmission line corridor spatial data of the same time phase based on the indexing technology, and the transmission line corridor spatial data includes 2D raster image data, 3D point cloud data and thematic data;
- the registration module is used for registering the spatial data of the transmission line corridor in different time phases, and outputting the registration result;
- the fusion update module is used to perform data fusion and update based on the spatial data index and the registration result to obtain a multi-source spatial database of the transmission line corridor.
- the index building module includes:
- the first construction sub-module is configured to construct a spatial data index for the 2D raster image data in the transmission line corridor spatial data of the same time phase based on the construction of a hierarchical pyramid;
- the second construction sub-module is used to construct a tile index for the 3D point cloud data in the transmission line corridor spatial data of the same time phase based on the LOD technology;
- the third construction sub-module is used to construct a spatial data index for the thematic data in the transmission line corridor spatial data of the same time phase based on key point positions and attributes, and the attributes include a number, a line name or an identifier.
- the registration module includes:
- the matching sub-module is used to extract feature points from the 2D raster image data in the transmission line corridor spatial data of different time phases, and to match the extracted feature points to obtain a point pair with the same name;
- the first output sub-module is used to perform differential correction based on the affine transformation parameters, and output the registered 2D raster image pair.
- the registration module further includes:
- a preprocessing sub-module for preprocessing the 3D point cloud data in the transmission line corridor spatial data in different time phases
- the second output sub-module is used for registering the preprocessed 3D point cloud data based on the closest point iterative registration algorithm, and outputting a 3D point cloud pair.
- This application provides a method for constructing a multi-source spatial database of transmission line corridors, including: constructing a spatial data index for transmission line corridor spatial data of the same time phase based on indexing technology, and the transmission line corridor spatial data includes 2D raster image data , 3D point cloud data and thematic data; register the spatial data of transmission line corridors in different phases, and output the registration results; perform data fusion and update based on the spatial data index and registration results to obtain multi-source transmission line corridors Spatial database.
- the method for constructing a multi-source spatial database of transmission line corridors in this application performs hierarchical indexing of the 2D raster image data and 3D point cloud data of the same time phase, and passes the key to the thematic data of the same time phase.
- Point coordinate positions and attributes are indexed to realize data organization and management, and provide good data support for data query and analysis; through precise geometric registration of spatial data in different phases, data fusion and dynamic update based on spatial position are realized Integrating data through fusion to improve data utilization, thus providing a high-precision registration and fusion of complex multi-period and multi-source spatial data to achieve data linkage management and update multi-source spatial database construction method.
- FIG. 1 is a schematic flowchart of an embodiment of a method for constructing a multi-source spatial database of a transmission line corridor provided by this application;
- FIG. 2 is a schematic structural diagram of an embodiment of a device for constructing a multi-source spatial database of a transmission line corridor provided by this application;
- FIG. 3 is a schematic diagram of the registration process of 2D raster image data provided by this application.
- Fig. 4 is a schematic diagram of the 3D point cloud data registration process provided by this application.
- An embodiment of a method for constructing a multi-source spatial database of a transmission line corridor includes:
- Step 101 Construct a spatial data index for the transmission line corridor spatial data of the same time phase based on the indexing technology.
- the spatial data of the transmission line corridor includes 2D raster image data, 3D point cloud data, and thematic data.
- thematic data includes basic geographic information data, power lines, towers and other component data.
- the embodiments of the present application adopt different indexing mechanisms for different types of data at the same time, specifically:
- the 2D raster image data in the transmission line corridor spatial data constructs the spatial data index, and uses this as the basis for quick data browsing;
- the 3D point cloud data in the transmission line corridor spatial data in the same phase is constructed Tile index, through the construction of the LOD tile index structure, to realize the fast browsing of three-dimensional spatial data;
- the spatial data index is constructed for the thematic data in the transmission line corridor spatial data of the same time phase, and the attributes include the number.
- thematic data has the characteristics of less data volume, low storage space, etc.
- the embodiment of this application uses the coordinate positions of key points and its own attributes for index construction. Taking a certain type of thematic data as an example, the same time phase The rules for establishing association indexes between spatial data are described in the following table:
- serial number tower_id varchar without Tower number tower_num varchar without Tower belongs to line line_owned varchar without longitude longitude double without Dimension latitude double without
- Step 102 Perform registration on the transmission line corridor spatial data of different time phases, and output the registration result.
- the data registration of different time phases is the basis for the dynamic update of the database.
- the embodiment of this application mainly focuses on the 2D raster image data and 3D point cloud data in the transmission line corridor spatial data of different time phases.
- the data of the same dimension are registered with each other, that is, the 2D data is registered with the 2D data, the 3D data is registered with the 3D data, and the data of different dimensions are directly related through the name attribute.
- Feature points can be extracted from the 2D raster image data in the spatial data of the transmission line corridor. Feature extraction can be performed through feature descriptors such as Sift or Surf, and the extracted feature points can be matched to obtain a point pair with the same name; through 2D raster image data Use the least square method to calculate the affine transformation parameters for the point pairs with the same name between the two, and perform differential correction based on the affine transformation parameters, and output the registered 2D raster image pair.
- the conversion is mainly carried out by three-dimensional conformal transformation parameters, including 7 transformation parameters such as translation, rotation and scaling.
- the specific registration process is: for transmission lines in different phases
- the 3D point cloud data in the corridor space data is preprocessed, including denoising and data segmentation; based on the nearest point iterative registration algorithm, the preprocessed 3D point cloud data is registered, that is, through the nearest point iteration
- the registration algorithm calculates 7 transformation parameters between the point clouds to obtain a spatial similarity transformation model.
- the preprocessed 3D point cloud data is subjected to spatial similarity transformation through the spatial similarity transformation model, and finally a 3D point cloud pair is output.
- Step 103 Perform data fusion and update based on the spatial data index and the registration result to obtain a multi-source spatial database of the transmission line corridor.
- multi-source data fusion and data update are carried out to obtain a multi-source spatial database of transmission line corridors.
- the data can be directly weighted and fused, and equal weight fusion is generally adopted.
- the fused data can be accessed through the unified interface of the database.
- the database can be modified, added and deleted in real time to realize the synchronization update of the database and real-time data, through the pyramid data update of the 2D raster image data, the LOD data update in the 3D point cloud data, and the spatial coordinates of the key points in the attribute data Update, the index of the database can be updated, and the updated data can be queried externally.
- the method for constructing a multi-source spatial database of transmission line corridors in the embodiment of the present application performs hierarchical indexing of the 2D raster image data and 3D point cloud data of the same time phase, and thematic data of the same time phase Establish indexes through key point coordinate positions and attributes, realize data organization and management, and provide good data support for data query and analysis; through precise geometric registration of spatial data in different phases, data fusion and spatial location-based data fusion and Dynamic update, through the integration of data to improve data utilization, thus providing a high-precision registration and fusion of complex multi-period multi-source spatial data, realizing data linkage management and update multi-source spatial database construction method .
- An embodiment of a device for constructing a multi-source spatial database of a transmission line corridor includes:
- the index construction module 201 is used to construct a spatial data index for the transmission line corridor spatial data of the same time phase based on the indexing technology.
- the transmission line corridor spatial data includes 2D raster image data, 3D point cloud data and thematic data.
- the registration module 202 is used for registering the spatial data of transmission line corridors in different time phases, and outputting the registration result.
- the fusion update module 203 is used to perform data fusion and update based on the spatial data index and registration results to obtain a multi-source spatial database of the transmission line corridor.
- index building module 201 includes:
- the first construction sub-module 2011 is used to construct a spatial data index for the 2D raster image data in the transmission line corridor spatial data of the same phase based on the construction of a hierarchical pyramid.
- the second construction sub-module 2012 is used to construct a tile index based on the LOD technology on the 3D point cloud data in the transmission line corridor spatial data of the same time phase.
- the third construction sub-module 2013 is used to construct a spatial data index for the thematic data in the transmission line corridor spatial data of the same phase based on the location and attributes of the key points.
- the attributes include a number, a line name or an identifier.
- the registration module 202 includes:
- the matching sub-module 2021 is used to extract feature points from the 2D raster image data in the spatial data of the transmission line corridor in different phases, and to match the extracted feature points to obtain a point pair with the same name.
- the calculation sub-module 2022 is used to calculate the affine transformation parameters based on the point pairs with the same name.
- the first output sub-module 2023 is used to perform differential correction based on the affine transformation parameters, and output the registered 2D raster image pair.
- the registration module 202 further includes:
- the preprocessing sub-module 2024 is used to preprocess the 3D point cloud data in the spatial data of the transmission line corridor in different time phases.
- the second output sub-module 2025 is used for registering the preprocessed 3D point cloud data based on the closest point iterative registration algorithm, and outputting a 3D point cloud pair.
- the disclosed device and method may be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
- the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.
- the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
- the technical solution of the present application essentially or the part that contributes to the existing technology or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , Including several instructions for executing all or part of the steps of the methods described in the various embodiments of the present application through a computer device (which may be a personal computer, a server, or a network device, etc.).
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (English full name: Read-Only Memory, English abbreviation: ROM), random access memory (English full name: Random Access Memory, English abbreviation: RAM), magnetic Various media that can store program codes, such as discs or optical discs.
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Abstract
Description
名称 | 代码 | 数据类型 | 描述 |
编号 | line_id | varchar | 无 |
线路名称 | line_name | varchar | 无 |
线路电平 | line_level | varchar | 无 |
线路长度 | length | double | 无 |
名称 | 代码 | 数据类型 | 描述 |
编号 | tower_id | varchar | 无 |
塔号 | tower_num | varchar | 无 |
塔所属线路 | line_owned | varchar | 无 |
经度 | longitude | double | 无 |
维度 | latitude | double | 无 |
名称 | 代码 | 数据类型 | 描述 |
编号 | block_id | int | 主键id,唯一标识 |
塔号 | type | int | 0tree类型,1其他类型 |
塔所属线路 | information | text | 详细信息 |
经度 | tower_id | int | 对应模型id,用来显示 |
维度 | location | varchar | 对应的经纬度高度 |
Claims (10)
- 一种输电线路廊道多源空间数据库构建方法,其特征在于,包括:基于索引技术对同一时相的输电线路廊道空间数据构建空间数据索引,所述输电线路廊道空间数据包括2D栅格影像数据、3D点云数据和专题数据;对不同时相的所述输电线路廊道空间数据进行配准,输出配准结果;基于所述空间数据索引和所述配准结果进行数据融合和更新,得到输电线路廊道多源空间数据库。
- 根据权利要求1所述的输电线路廊道多源空间数据库构建方法,其特征在于,所述基于索引技术对同一时相的输电线路廊道空间数据构建空间数据索引,包括:基于构建层级金字塔的方式对同一时相的所述输电线路廊道空间数据中的所述2D栅格影像数据构建空间数据索引。
- 根据权利要求1所述的输电线路廊道多源空间数据库构建方法,其特征在于,所述基于索引技术对同一时相的输电线路廊道空间数据构建空间数据索引,还包括:基于LOD技术对同一时相的所述输电线路廊道空间数据中的所述3D点云数据构建瓦片索引。
- 根据权利要求1所述的输电线路廊道多源空间数据库构建方法,其特征在于,所述基于索引技术对同一时相的输电线路廊道空间数据构建空间数据索引,还包括:基于关键点位置和属性对同一时相的所述输电线路廊道空间数据中的所述专题数据构建空间数据索引,所述属性包括编号、线路名称或标识符。
- 根据权利要求1所述的输电线路廊道多源空间数据库构建方法,其特征在于,所述对不同时相的所述输电线路廊道空间数据进行配准,输出配准结果,包括:对不同时相的所述输电线路廊道空间数据中的所述2D栅格影像数据提取特征点,并对提取的所述特征点进行匹配,得到同名点对;基于所述同名点对计算仿射变换参数;基于所述仿射变换参数进行微分纠正,输出配准后的2D栅格影像对。
- 根据权利要求1所述的输电线路廊道多源空间数据库构建方法,其特征在于,所述对不同时相的所述输电线路廊道空间数据进行配准,输出配准结果,还包括:对不同时相的所述输电线路廊道空间数据中的所述3D点云数据进行预处理;基于最近点迭代配准算法对预处理后的所述3D点云数据进行配准,输出3D点云对。
- 一种输电线路廊道多源空间数据库构建装置,其特征在于,包括:索引构建模块,用于基于索引技术对同一时相的输电线路廊道空间数据构建空间数据索引,所述输电线路廊道空间数据包括2D栅格影像数据、3D点云数据和专题数据;配准模块,用于对不同时相的所述输电线路廊道空间数据进行配准,输出配准结果;融合更新模块,用于基于所述空间数据索引和所述配准结果进行数据融合和更新,得到输电线路廊道多源空间数据库。
- 根据权利要求7所述的输电线路廊道多源空间数据库构建装置,其特征在于,所述索引构建模块包括:第一构建子模块,用于基于构建层级金字塔的方式对同一时相的所述输电线路廊道空间数据中的所述2D栅格影像数据构建空间数据索引;第二构建子模块,用于基于LOD技术对同一时相的所述输电线路廊道空间数据中的所述3D点云数据构建瓦片索引;第三构建子模块,用于基于关键点位置和属性对同一时相的所述输电线路廊道空间数据中的所述专题数据构建空间数据索引,所述属性包括编号、线路名称或标识符。
- 根据权利要求7所述的输电线路廊道多源空间数据库构建装置,其特征在于,所述配准模块包括:匹配子模块,用于对不同时相的所述输电线路廊道空间数据中的所述2D栅格影像数据提取特征点,并对提取的所述特征点进行匹配,得到同名点对;计算子模块,用于基于所述同名点对计算仿射变换参数;第一输出子模块,用于基于所述仿射变换参数进行微分纠正,输出配准后的2D栅格影像对。
- 根据权利要求7所述的输电线路廊道多源空间数据库构建装置,其特征在于,所述配准模块还包括:预处理子模块,用于对不同时相的所述输电线路廊道空间数据中的所述3D点云数据进行预处理;第二输出子模块,用于基于最近点迭代配准算法对预处理后的所述3D点云数据进行配准,输出3D点云对。
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Families Citing this family (1)
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130216089A1 (en) * | 2010-04-22 | 2013-08-22 | The University Of North Carolina At Charlotte | Method and System for Remotely Inspecting Bridges and Other Structures |
US20140164264A1 (en) * | 2012-02-29 | 2014-06-12 | CityScan, Inc. | System and method for identifying and learning actionable opportunities enabled by technology for urban services |
CN107529177A (zh) * | 2017-08-18 | 2017-12-29 | 国网四川省电力公司电力科学研究院 | 基于pegasis协议和信度函数理论数据融合的三维gis系统 |
CN107729565A (zh) * | 2017-11-13 | 2018-02-23 | 国网福建省电力有限公司 | 基于无人机巡视图像处理的输电线路全息全景处理方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080208820A1 (en) * | 2007-02-28 | 2008-08-28 | Psydex Corporation | Systems and methods for performing semantic analysis of information over time and space |
CN103488736B (zh) * | 2013-09-18 | 2017-01-25 | 中国科学技术大学 | 一种多源地理空间信息关联模型的构建方法及系统 |
CN105551028B (zh) * | 2015-12-09 | 2018-02-23 | 中山大学 | 一种基于遥感影像的地理空间数据动态更新的方法及系统 |
CN106709067B (zh) * | 2017-01-19 | 2020-01-17 | 中国测绘科学研究院 | 一种基于Oracle数据库的多源异构空间数据流转方法 |
CN106898047B (zh) * | 2017-02-24 | 2020-06-05 | 朱庆 | 倾斜模型和多元模型动态融合的自适应网络可视化方法 |
EP3489962A1 (en) * | 2017-11-28 | 2019-05-29 | Siemens Healthcare GmbH | Method for controlling an evaluation device for medical images of patient, evaluation device, computer program and electronically readable storage medium |
CN109739943A (zh) * | 2018-12-14 | 2019-05-10 | 中国测绘科学研究院 | 面向自然资源矢量地表覆盖变化统计处理方法 |
CN110287508A (zh) * | 2019-03-26 | 2019-09-27 | 江苏海事职业技术学院 | 一种多源三维城市模型的可视化融合系统 |
CN110543716B (zh) * | 2019-08-29 | 2023-12-15 | 中国南方电网有限责任公司 | 三维架空电缆层级电网优化方法、装置和计算机设备 |
-
2020
- 2020-02-28 CN CN202010129402.7A patent/CN111339236B/zh active Active
- 2020-04-01 WO PCT/CN2020/082688 patent/WO2021168989A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130216089A1 (en) * | 2010-04-22 | 2013-08-22 | The University Of North Carolina At Charlotte | Method and System for Remotely Inspecting Bridges and Other Structures |
US20140164264A1 (en) * | 2012-02-29 | 2014-06-12 | CityScan, Inc. | System and method for identifying and learning actionable opportunities enabled by technology for urban services |
CN107529177A (zh) * | 2017-08-18 | 2017-12-29 | 国网四川省电力公司电力科学研究院 | 基于pegasis协议和信度函数理论数据融合的三维gis系统 |
CN107729565A (zh) * | 2017-11-13 | 2018-02-23 | 国网福建省电力有限公司 | 基于无人机巡视图像处理的输电线路全息全景处理方法 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113722870A (zh) * | 2021-11-02 | 2021-11-30 | 国网北京市电力公司 | 一种电网运行全空间监测方法、系统、设备及介质 |
CN113722870B (zh) * | 2021-11-02 | 2022-02-11 | 国网北京市电力公司 | 一种电网运行全空间监测方法、系统、设备及介质 |
CN114611253A (zh) * | 2022-01-27 | 2022-06-10 | 国网冀北电力有限公司经济技术研究院 | 一种面向输电线路云设计的多源数据融合方法 |
CN114611253B (zh) * | 2022-01-27 | 2024-02-23 | 国网冀北电力有限公司经济技术研究院 | 一种面向输电线路云设计的多源数据融合方法 |
CN115375040A (zh) * | 2022-09-19 | 2022-11-22 | 博源规划设计集团有限公司 | 一种集约化农田生物廊道构建方法 |
CN115375040B (zh) * | 2022-09-19 | 2024-04-23 | 博源规划设计集团有限公司 | 一种集约化农田生物廊道构建方法 |
CN115546406A (zh) * | 2022-10-13 | 2022-12-30 | 太原明远工程监理有限公司 | 基于点云数据的逆向建模方法及系统 |
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