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A method, device and system for automatic registration of map spots for global comprehensive renovation

An automatic registration and registration technology, applied in graphics and image conversion, image data processing, instruments, etc., can solve the problems of large use limitations and low efficiency, and achieve the effect of improving reliability, automation and efficiency.

Active Publication Date: 2022-03-22
广东国地规划科技股份有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the existing technology still has the following defects: 1. When manual matching is used, the layer involves a wide area, a large number, and the number and shape of the map spots vary. The efficiency of manually finding suitable registration points among the numerous map spot vertices 2. When calculating by the algorithm, the same number of vertices is required for the multiple spots to be registered, which makes the use of the algorithm more limited

Method used

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  • A method, device and system for automatic registration of map spots for global comprehensive renovation
  • A method, device and system for automatic registration of map spots for global comprehensive renovation
  • A method, device and system for automatic registration of map spots for global comprehensive renovation

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specific Embodiment 1

[0027] An embodiment of the present invention firstly provides an embodiment of an automatic registration method for image spots under global comprehensive renovation. figure 1 A flow chart of an embodiment of a method for automatic registration of spots under global comprehensive renovation according to the present invention is shown. Such as figure 1 As shown, the method includes the following steps:

[0028] S1: Obtain the first interior angle sequence of each of the multiple reference patches and the second interior angle sequence of the first patch to be registered.

[0029] In order to realize automatic registration of patches, the first patch to be registered and a plurality of reference patches for registration should be determined first. Wherein, the first length m of the first interior angle sequence is not equal to the second length n of the second interior angle sequence. In fact, because the patch boundary is closed, its angular sequence is periodic. Therefore, ...

specific Embodiment 2

[0042] Further, the present invention also provides another embodiment of an automatic registration method of spots under global comprehensive renovation. figure 2 A flow chart of another embodiment of a method for automatic registration of spots under global comprehensive renovation according to the present invention is shown. Such as figure 2 As shown, the method includes the following steps:

[0043] A1: Obtain a reference layer and a layer to be registered, and overlap the reference layer and the layer to be registered.

[0044] A2: Select a first patch to be registered from the layer to be registered, and take the first patch to be registered as the center, according to the preset spatial distance, from the reference layer Select multiple datum patches.

[0045] A3: Obtain the first interior angle sequence of each of the multiple reference patches and the second interior angle sequence of the first patch to be registered.

[0046] In order to realize automatic regis...

specific Embodiment 3

[0062] In addition to the above-mentioned method, the embodiment of the present invention also provides an embodiment of an automatic registration device for image spots under global comprehensive renovation. image 3 It shows a structural diagram of an automatic registration device for image spots under global comprehensive renovation according to the present invention.

[0063] Such as image 3 As shown, the automatic registration device includes a speckle acquisition unit 11 , a registration screening unit 12 and a parameter calculation unit 13 .

[0064] The patch acquisition unit 11 is configured to acquire a first interior angle sequence of each of the plurality of reference patches and a second interior angle sequence of the patch to be registered. Wherein, the first length m of the first interior angle sequence is not equal to the second length n of the second interior angle sequence.

[0065] The registration screening unit 12 is used to calculate and screen accordi...

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Abstract

The invention discloses a method, a device and a system for automatic registration of map spots for global comprehensive renovation. The device includes a speckle acquisition unit, a registration screening unit and a parameter calculation unit. The system includes a user input module, an automatic registration module and a result generation module. By using the Smith-Wortman algorithm and the model of constant vacancy weights, the registration scoring and score backtracking are performed on the internal angles in the first internal angle sequence and the second internal angle sequence of the registration, and the first internal angle with the highest registration degree is obtained after screening. After the registration result and the first reference patch corresponding to the first registration result, calculate an affine parameter set between the first reference patch and the first registration patch, thereby completing the registration The automatic registration method, device and system improve the automation and efficiency of the registration process of the map spots of the global comprehensive renovation.

Description

technical field [0001] The invention relates to the field of automatic registration of image spots for global comprehensive renovation, and relates to an automatic registration method, device and system for global comprehensive renovation of graphic spots. Background technique [0002] Comprehensive land improvement in the whole region refers to the promotion of land, water, roads, forests, It is a systematic project for comprehensive improvement of villages, improvement of rural production, living conditions and ecological environment, promotion of agricultural scale management, concentrated population living, industrial cluster development, and promotion of urban-rural integration. In the processing of historical data related to global comprehensive improvement, vector data with different coordinate systems in the same area are often encountered, but because the conversion parameters of coordinate conversion of different projected coordinate systems involve confidentiality...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T3/00
CPCG06T3/0075
Inventor 刘娜李霞陈荟竹张鸿辉程望杰郭海东张恒付浩邓璨露周常红何铭谦周广明刘海王礼强胡广汪洋胡珍珍齐树伟刘海东王磊
Owner 广东国地规划科技股份有限公司
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