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Fusion method and system of power transmission line image and point cloud data

A point cloud data and transmission line technology, applied in the computer field, can solve problems such as low accuracy and complex data fusion algorithms, and achieve the effects of improving accuracy, high-precision remote safety monitoring, and reducing operation and maintenance costs

Pending Publication Date: 2022-07-12
STATE GRID JIANGSU ELECTRIC POWER CO LTD TAIZHOU POWER SUPPLY BRANCH +2
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Problems solved by technology

However, the data fusion algorithm in this method is complex and the accuracy is low.

Method used

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  • Fusion method and system of power transmission line image and point cloud data
  • Fusion method and system of power transmission line image and point cloud data
  • Fusion method and system of power transmission line image and point cloud data

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Embodiment Construction

[0065] In order to better understand the above technical solutions, the above technical solutions will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0066] In order to facilitate the understanding of the present application, some concepts involved in the present application will be described first.

[0067] Point cloud data refers to a set of vectors in a three-dimensional coordinate system. Scan data is recorded in the form of points, each point contains three-dimensional coordinates, some may contain color information (such as red, green and blue) or reflection intensity information (Intensity).

[0068] In the related art, airborne laser radar and other methods can be used to collect point cloud data for map surveying and mapping, and there are location information of multiple objects in the map. However, the point cloud data is not as intuitive as the image data. If the target object can be measured directly by using ...

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Abstract

The invention discloses a power transmission line image and point cloud data fusion method and system. The method comprises the following steps: acquiring an optical image and point cloud data of a target power transmission line; performing image processing on the point cloud data to obtain a point cloud image; in response to user operation, image feature points are selected from the optical image, point cloud feature points corresponding to the image feature points are selected from the point cloud image, and the point cloud feature points correspond to space coordinates of point cloud data; marking the image feature points and the corresponding point cloud feature points and establishing a mapping relation to form a reference data pair; constructing a coordinate conversion relation between the optical image and the point cloud data according to the reference data pair, and obtaining a corresponding relation between each pixel coordinate in the optical image and a space coordinate of a point cloud in the point cloud data based on the coordinate conversion relation; according to the method, the point cloud data and the feature data can be fused to obtain data with spatial position information.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a method and system for fusing images of transmission lines and point cloud data. Background technique [0002] The safe operation of transmission lines is related to the stable transmission of power energy. The transmission lines have large capacity and high voltage. They have long been eroded by severe weather such as wind, frost, rain and snow, and have a wide distribution area and complex terrain along the way. Once corrosion, wear, power failure and other failures occur, it may lead to complex cascading failures of the power grid, resulting in large-scale grid outages and power outages. At the same time, there are hidden dangers of tree barriers in the transmission corridor. Regular inspection of transmission equipment is very important. Traditional inspection The detection method is affected by the inspector's personal status and measurement angle, which often results in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06V10/44G06V10/80G06K9/62G06T7/60G06T7/73G06T7/521
CPCG06T7/73G06T7/60G06T7/521G06T2207/10028G06T2207/30108G06F18/25Y04S10/50
Inventor 戴永东王茂飞毛锋姚建光高超吴奇伟王神玉仲坚张泽鞠玲翁蓓蓓王星媛
Owner STATE GRID JIANGSU ELECTRIC POWER CO LTD TAIZHOU POWER SUPPLY BRANCH
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