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License plate distinguishing system

A technology of license plate and frequency information, applied in the field of license plate recognition, can solve the problems of unrecognizable license plates of electric vehicles, and achieve the effect of simple structure, accuracy and comprehensive coverage.

Inactive Publication Date: 2018-03-20
SICHUAN ZHICHUANG SPACE INCUBATOR MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this type of license plate recognition technology is all aimed at the recognition of the same license plate template, and for the newly issued electric vehicle license plate (8 digits), because the traditional recognition scheme is set to recognize the 7-digit license plate, it is impossible for the electric vehicle license plate identified

Method used

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  • License plate distinguishing system
  • License plate distinguishing system

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Embodiment Construction

[0030] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0031] Any feature disclosed in this specification (including any appended claims, abstract), unless otherwise stated, may be replaced by alternative features that are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0032] Such as figure 1 and 2 As shown, this embodiment discloses a system for distinguishing license plates, including: a light source, and sequentially connected: an optical receiver, an optical information analysis device and a type discrimination device; wherein:

[0033] The light source is configured to: emit projected light towards the license plate;

[0034] a light receiver configured to: receive light reflected by the license plate on the projected light...

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Abstract

The invention discloses a license plate distinguishing system, comprising: a light source and a light receiver connected in sequence, an optical information analysis device and a type discrimination device; wherein: the light source is configured to emit projected light to the license plate; the light receiver is configured to receive the The reflected light of the license plate on the projected light; the optical information analysis device is configured to analyze the optical information of the reflected light; the type discrimination device is configured to determine the license plate type of the license plate according to the optical information . Wherein, the light information is attribute information of reflected light, specifically, frequency information or frequency change information. Determine the color of the license plate according to the frequency information, and then determine the type, or determine whether the color of the license plate changes according to the frequency change information, and determine the type of the license plate. The system can provide effective support and reference for the selection of the license plate recognition scheme. The system has simple structure, high reliability and good use effect.

Description

technical field [0001] The invention relates to the field of license plate recognition, in particular to a license plate distinguishing system. Background technique [0002] With the substantial increase in the level of the national economy, people's living standards are also increasing. On the one hand, it is obvious that the number of cars in various regions is growing steadily on the basis of a huge base. [0003] With the increase of the number of cars, the management workload and management difficulty of the cars will increase accordingly, and new requirements will be put forward for the management of the license plate number as the identity mark of the car. Among them, the most common one is Recognition of license plates. [0004] In my country, for traditional fossil fuel vehicles, license plates with 7-digit numbers are used, and uniform regulations have been made on the size, distribution, and characters of license plates. In the prior art, multiple recognition sc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/017G08G1/04
CPCG08G1/017G08G1/04
Inventor 孙帝
Owner SICHUAN ZHICHUANG SPACE INCUBATOR MANAGEMENT CO LTD
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