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Power transmission line image and point cloud data processing method and system

A point cloud data and power transmission line technology, applied in the field of image processing, can solve the problems of long time for loading point cloud data, slow response speed, complicated process, etc., and achieve the effect of reducing redundant data, increasing speed, and improving accuracy

Pending Publication Date: 2022-06-24
STATE GRID JIANGSU ELECTRIC POWER CO LTD TAIZHOU POWER SUPPLY BRANCH +2
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Problems solved by technology

However, the process of this method is complicated, and there are still redundant data and low reliability, which makes it take a long time for users to load point cloud data and the response speed is slow

Method used

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  • Power transmission line image and point cloud data processing method and system
  • Power transmission line image and point cloud data processing method and system
  • Power transmission line image and point cloud data processing method and system

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Embodiment Construction

[0062] 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.

[0063] In order to facilitate the understanding of the technical solutions of the present application, some concepts involved in the present application will be described first.

[0064] 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).

[0065] Data compression refers to reducing the amount of data to reduce storage space, improving its transmission, storage and processing efficiency, or reorganizing data according to certain algorithms to reduce data redundancy without losing useful information. A technical approach to space and sto...

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Abstract

The invention discloses a power transmission line image and point cloud data processing method and system, and the method comprises the steps: collecting a power transmission line image and point cloud data, and building a mapping relation between each pixel coordinate of the power transmission line image and each point cloud space coordinate in the point cloud data; performing space division on the point cloud data, and generating index data according to a space division result; performing compression processing on the point cloud data; based on the index data, storing the compressed point cloud data; according to the method, loading of redundant data can be reduced, the time required for loading the point cloud data is shortened, and the response speed is increased.

Description

technical field [0001] The invention relates to the technical field of image processing, and in particular, to a method and system for processing power transmission line images and point cloud data. Background technique [0002] Lidar scanning technology is an emerging 3D data acquisition technology. Lidar scanners mounted on different platforms such as tripods, cars, airplanes, and satellites can quickly acquire massive point cloud data. The point cloud data contains rich information such as the latitude and longitude coordinates, intensity, multiple echoes and colors of each point, and has related applications in the fields of surveying and mapping, forestry, agriculture and digital cities. [0003] The visible light 2D images collected by the UAV need to go through the reconstruction process to restore the 3D power scene, and there will be a certain deviation from the actual situation. The technical advantage of lidar point cloud mapping is that it can accurately restore...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/521G06T7/70G06T17/20G06F16/51G06F16/53
CPCG06T7/521G06T7/70G06T17/20G06F16/51G06F16/53G06T2200/08G06T2207/10028
Inventor 王茂飞毛锋戴永东姚建光高超吴奇伟王神玉仲坚张泽鞠玲翁蓓蓓
Owner STATE GRID JIANGSU ELECTRIC POWER CO LTD TAIZHOU POWER SUPPLY BRANCH
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