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License plate reading system and license plate matching method applied to license plate reading system

A matching method and license plate technology, applied in the field of license plate information, can solve the problems of heavy workload and low efficiency of operators, and achieve the effect of reducing workload and improving work efficiency and accuracy.

Inactive Publication Date: 2017-01-11
HANGZHOU TONGSHI PARKING EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once an identification error occurs, the wrong information can only be eliminated or the correct information can be selected through manual screening, which makes the operator's workload huge and inefficient

Method used

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  • License plate reading system and license plate matching method applied to license plate reading system
  • License plate reading system and license plate matching method applied to license plate reading system
  • License plate reading system and license plate matching method applied to license plate reading system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] see figure 1 Shown is the structural diagram of the license plate reading system of the present embodiment, including the license plate reading module 1, the information output end of the license plate reading module 1 and the information input end of the processing module 2 connected through the network, and the information output end of the processing module 2 The information input terminal of the control module 3 is connected through the network, wherein the processing module 2 is provided with a matching unit 21 for matching the read license plate information and the stored license plate information, and the processing module is also provided with an approximate query unit for license plate error correction twenty two.

[0021] see figure 2 , image 3 Shown is the license plate matching method used in the license plate reading system of this embodiment, including the following steps: S10, license plate information reading; S20, license plate information matching;...

example 1

[0027] Example 1: The license plate reading module 1 reads the license plate information as Zhejiang A·1B22Z and sends the license plate information to the processing module 2, the matching unit 21 in the processing module 2 retrieves the matching Zhejiang A·1B22Z information and sends the information to the control Module 3.

example 2

[0028] Example 2: The license plate reading module 1 reads the license plate information as Zhejiang A·1B22Z and sends the license plate information to the processing module 2, the matching unit 21 in the processing module 2 did not retrieve the Zhejiang A·1B22Z, and the approximate query unit 22 began to retrieve The approximate license plates in the system are A·I822Z and Zhejiang A·1BZ22, among which, the approximate degree of Zhejiang A·I822Z is ​​90%×50%×100%×100%×100%=45%, and the approximate degree of Zhejiang A·1BZ22 is 100% ×100%×50%×100%×50%=25%, the approximation query unit 22 sends the above two license plate information to the control module 3 and A·I822Z is ​​ranked higher than A·1BZ22 in terms of similarity.

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Abstract

The invention relates to the field of license plate information, and more particularly relates to a license plate reading system and a license plate matching method applied to the license plate reading system. The license plate reading system comprises a license plate reading module. The information output end of the license plate reading module is connected with the information input end of a processing module through the network. The information output end of the processing module is connected with the information input end of a control module through the network. The processing module is internally provided with a matching unit which is used for matching the read license plate information and the stored license plate information. The processing module is also internally provided with an approximation inquiring unit which is used for license plate error correction. With arrangement of the approximation inquiring unit, the approximate license plate information can be autonomously ordered by the system according to the similarity under the condition that the completely identical information cannot be matched, the most possible license plate can be directly selected by the system, and the correct license plate can also be selected in a few similar license plates by operation personnel so that the workload can be greatly reduced, and the work efficiency and accuracy can be substantially enhanced.

Description

technical field [0001] The invention relates to the field of license plate information, in particular to a license plate reading system and a license plate matching method applied to the license plate reading system. Background technique [0002] With the popularity of vehicles in our country, the status of license plate reading technology used in parking lot management systems and traffic capture is rising. The commonly used license plate reading technology is to compare the license plate in the form of photos, and the error rate is relatively high. Once an identification error occurs, the wrong information can only be eliminated or the correct information can be selected through manual screening, which makes the operator's workload huge and inefficient. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides a license plate reading system and a license plate matching method applied to the license plate reading sy...

Claims

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Application Information

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IPC IPC(8): G06K9/34
CPCG06V10/26G06V20/625
Inventor 谭铁
Owner HANGZHOU TONGSHI PARKING EQUIP