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Vegetation extraction method and system

A vegetation and acquisition unit technology, applied in image data processing, 3D image processing, instruments, etc., to achieve the effect of optimizing unity, improving quality, and improving extraction speed

Active Publication Date: 2016-06-22
XIAMEN UNIV
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Problems solved by technology

[0006] The present invention provides a vegetation extraction method, which is used to solve the problem of separating vegetation point cloud data from scene three-dimensional point cloud data

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  • Vegetation extraction method and system
  • Vegetation extraction method and system
  • Vegetation extraction method and system

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Embodiment Construction

[0058] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0059] figure 1 A method flowchart of the first embodiment of a vegetation extraction method according to the present invention is shown. A vegetation extraction method in this embodiment is mainly performed by a full-waveform laser scanner and an electronic device with a processor. The electronic device may be a computer, an embedded system, a p...

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Abstract

The invention provides a vegetation extraction method and system. The vegetation extraction method comprises steps of: extracting an intermediate echo from echo data acquired from a scanned scene, wherein the intermediate echo is waveform data with penetrability in a laser radar point cloud, and the echo data is obtained by a multi-echo laser scanning system; acquiring scene three-dimensional point cloud data, using an intermediate echo point in the scene three-dimensional point cloud corresponding to the intermediate echo as a vegetation point; and extracting all vegetation point cloud data from the scene three-dimensional point cloud data according to the vegetation point. The method and the system solve a problem that vegetation main characteristics in the laser point cloud data is difficult to acquire, effectively increase vegetation extraction quality so as to quickly position vegetation trunk and crown and achieve an accurate and high-efficient positioning result.

Description

technical field [0001] The invention relates to the field of vegetation extraction, in particular to a vegetation extraction method and system. Background technique [0002] At present, vegetation, as an important component of urban greening, plays an irreplaceable role in many fields such as precision forestry, computer animation games, digital cities, and protection and management of ancient and famous trees. On a large scale, the distribution patterns of Earth's vegetation are determined by climate. On the one hand, it is necessary to analyze the macroscopic structure of vegetation to obtain the ecological characteristics of vegetation, which is reflected in the vertical structure of the community and the plant species that make up the community; on the other hand, in smart cities, urban road signs, urban building extraction, and large-scale surveying and mapping , vegetation will produce occlusion. Therefore, traffic control departments and intelligent transportation s...

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Application Information

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IPC IPC(8): G06T15/00G06K9/46
CPCG06T15/00G06V10/40
Inventor 陈一平王程李军黄鹏頔
Owner XIAMEN UNIV
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