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Multi-beam sounding data processing method and device

A data processing and multi-beam technology, applied in the field of measurement, can solve problems such as low processing efficiency and poor tolerance, and achieve the effects of reducing subjective intervention, improving accuracy and quality, and accurate detection

Active Publication Date: 2020-07-03
广州点深软件有限公司
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Problems solved by technology

The above methods can effectively determine outliers in multibeam bathymetric data, but these methods are less robust and the processing efficiency is not high

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  • Multi-beam sounding data processing method and device
  • Multi-beam sounding data processing method and device
  • Multi-beam sounding data processing method and device

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Embodiment Construction

[0064] In order to more clearly and clearly describe the technical solution and purpose of the present invention, the present invention will be further described in detail below. The specific implementation methods described here are only used to explain the present invention, not to limit the present invention.

[0065] The embodiment of the present invention proposes a method and device for processing multi-beam bathymetric data. For the bathymetric point data obtained by multi-beam measurement, the sounding points in each grid unit obtained by partitioning are divided into grids. Anomaly detection is performed on the data to determine abnormal sounding point data in the grid unit, and then remove the abnormal sounding point data to obtain effective sounding point data.

[0066] Such as figure 1 Shown is the flow chart of the multi-beam bathymetric data processing method of the embodiment of the present invention, including the following steps:

[0067] Step 101 , acquirin...

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Abstract

The invention discloses a multi-beam sounding data processing method and device. The method comprises steps of obtaining sounding point data obtained through multi-beam measurement, and determining ameasurement region corresponding to the sounding point data; carrying out grid division of a measuring area to obtain a plurality of grid units; taking each grid unit as a to-be-detected unit in sequence, and acquiring sounding point data in the to-be-detected unit; performing anomaly detection of the sounding point data in the to-be-detected unit to determine abnormal sounding point data; and removing abnormal sounding point data to obtain effective sounding point data. The multi-beam data processing method is advantaged in that multi-beam data processing efficiency and robustness can be effectively improved, and human intervention is reduced.

Description

technical field [0001] The invention relates to the technical field of measurement, in particular to a method and device for processing multi-beam bathymetric data. Background technique [0002] The multi-beam sounding system uses the sound-based array installed on the bottom of the ship or the towing body to emit ultra-wide acoustic beams to the seabed perpendicular to the course, receive backscattered signals from the seabed, and form multiple beams through analog / digital signal processing. Obtain bathymetry data of dozens or even hundreds of sampling points on seabed strips. Compared with the single-beam echo sounder, the multi-beam sounder system has the advantages of large measurement range, fast measurement speed, high precision and efficiency, and it expands the sounding technology from point and line to surface, and further develops to three-dimensional sounding Deep and automatic mapping, especially suitable for large-scale seabed topography detection. [0003] In...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S15/88G01S7/539
CPCG01S15/88G01S7/539
Inventor 李炜
Owner 广州点深软件有限公司
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