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Application method for badging image in expressway toll system

The technology of a charging system and application method is applied to the recording carrier, instrument, character and pattern recognition used by the machine, which can solve the problems of recognition error and distinction, and achieve the effect of fast reading time and avoiding traffic jams

Inactive Publication Date: 2003-06-18
SHANGHAI GOLDWAY INTELLIGENT TRANSPORTATION SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved in the present invention is: solve the read-out time of binarization image data file, the distinction of identification error etc. with the relevant method of normalization, binarization and image processing

Method used

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  • Application method for badging image in expressway toll system
  • Application method for badging image in expressway toll system
  • Application method for badging image in expressway toll system

Examples

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Embodiment Construction

[0045] Please refer to the attached figure 1 Shown, the working steps of the inventive method are:

[0046] Step 1. Get started. ready to start.

[0047] Step 2. The vehicle arrives. That is, the vehicle arrives at the entrance of the road toll system.

[0048] Step 3. Capture the vehicle image. That is, the license plate recognition system extracts the car from the image

[0049] license plate image, generally, the license plate recognition system is introduced in the road toll system

[0050] system, that is, use the license plate recognition system at the entrance to automatically enter the license plate number

[0051] pass card.

[0052] Step 4. Vehicle license plate location.

[0053] Step 5. License plate foreground and background discrimination.

[0054] Step 6. Process according to the rule that the foreground is bright and the background is dark, and after processing

[0055] license plate image.

[0056] Step 7. The size of the lic...

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Abstract

This invention is method for applying the image of the vehicle number plate in charging system of hi-way. The method takes out the image of the vehicle number plate among the entrance images and transfers it into image data of "two values" with unitary magnitude through normalization and processing of "two values" and writes these data into pass card. This method is mainly used in charging systems of hi-way, residence areas and in parking administration and city check-post control, etc. Once the charging person at exit finds the vehicle number plate being not consistent with that at entrance, an alarm information will be given. The advantages of present invention are that the method transfers an information of vehicle number plate into the information of image data of "two values" so as to be used in charging system of hi-way, so that irregularities in charging system such as "exchanging card", "reselling card" can be prevented.

Description

Technical field [0001] The invention relates to a format of a license plate image, especially a format used in expressway toll systems, residential quarters, parking lot management, and city bayonet control. The method is a key part of the expressway toll system. Background technique [0002] In the existing expressway toll collection system, generally adopt at the entrance to record the vehicle type, passing time, entrance station (code) of the vehicle with a pass card (magnetic card, paper roll, IC card, etc.) mode, and send it to the driver by the toll collector. At the exit, the driver hands the pass card to the toll collector, reads the entry station and model data on the pass card through the exit lane machine, and charges according to the mileage and model. However, in recent years, my country's expressways have developed rapidly, followed by various fraudulent and toll evasion behaviors, the most typical of which is the behavior of "changing cards" of vehicles, that ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/38G06K19/07
Inventor 常会君
Owner SHANGHAI GOLDWAY INTELLIGENT TRANSPORTATION SYST CO LTD
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