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Data compression method and device, terminal equipment and storage medium

A data compression and data technology, applied in the field of data processing, can solve problems such as the loss of seabed feature points, and achieve the effect of improving the quality of the map

Active Publication Date: 2020-11-10
ZHUHAI YUNZHOU INTELLIGENCE TECH COMPANY +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the embodiment of the present application provides a data compression method, device, terminal equipment and storage medium to solve the problem that the seabed feature points are easily lost when compressing multi-beam bathymetric data in the prior art

Method used

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  • Data compression method and device, terminal equipment and storage medium
  • Data compression method and device, terminal equipment and storage medium
  • Data compression method and device, terminal equipment and storage medium

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Embodiment Construction

[0033] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0034] The technical solutions of the present application are illustrated below through specific examples.

[0035] refer to figure 1 , which shows a schematic flow chart of the steps of a data compression method provided in the embodiment of the present application, which may specifically include the following steps:

[0036] S101. Collect multi-beam data, and generate a grid map ...

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Abstract

The embodiment of the invention is suitable for the technical field of data processing, and provides a data compression method and device, terminal equipment and a storage medium, and the method comprises the steps: collecting multi-beam data, and generating a grid map according to the multi-beam data, wherein the grid map comprises a plurality of grid points; calculating the depth value of each grid point, and dividing the grid map into a plurality of pixels according to the depth value of each grid point, wherein the grid depth values of the grids contained in the same pixel are the same; determining coded data of each pixel, wherein the coded data comprises a grid depth value of each grid in the pixel; merging the pixels with the same grid depth value to obtain a plurality of data blocks; and determining target coded data of each data block to complete compression of the multi-beam data. By adopting the method, lossless compression of the multi-beam data can be realized.

Description

technical field [0001] The present application belongs to the technical field of data processing, and in particular relates to a data compression method, device, terminal equipment and storage medium. Background technique [0002] The development of unmanned technology has brought new development opportunities to ocean surveying and mapping. By carrying the multi-beam bathymetry system on unmanned boats, the efficiency of ocean exploration can be effectively improved. [0003] The multi-beam bathymetry system is an efficient and high-precision underwater topographic measurement system. When multi-boats cooperate to carry out multi-beam bathymetry system for seabed topographic measurement, real-time data transmission is conducive to the smooth progress of the measurement work, and it is convenient to understand the data collection situation, whether there is an uninvolved area to be measured, etc. The amount of data collected by the multi-beam bathymetry system is very large...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/29G06F16/215G06F16/22
CPCG06F16/29G06F16/215G06F16/2228
Inventor 冷超莹
Owner ZHUHAI YUNZHOU INTELLIGENCE TECH COMPANY
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