Identification method of mobile number plate based on three-channel parallel artificial nerve network

An artificial neural network and neural network technology, applied in the field of target license plate recognition for moving vehicles, can solve problems such as poor adaptability, contradiction between accuracy and class diffusion, slow clustering convergence, etc., achieve reliable performance, overcome accuracy and Class Diffusion Contradictions, System Stability Effects

Inactive Publication Date: 2005-11-09
ANHUI VOCATION TECH CO LTD
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  • Claims
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AI Technical Summary

Problems solved by technology

From the perspective of specific applications, there are only related applications in BP network technology at present, but BP network has long training period, slow clustering convergence, poor adaptability, and extreme value probl

Method used

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  • Identification method of mobile number plate based on three-channel parallel artificial nerve network
  • Identification method of mobile number plate based on three-channel parallel artificial nerve network
  • Identification method of mobile number plate based on three-channel parallel artificial nerve network

Examples

Experimental program
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Example Embodiment

[0028] A preferred embodiment of the present invention is: see figure 1 In this embodiment, a mobile car license plate recognition method based on a three-way parallel artificial neural network is used to identify a license plate example "Wan A81770"; the steps are:

[0029] 1) Collection of video images of license plates:

[0030] For the video image, the preset virtual coil motion video trigger mode is automatically triggered for video capture, and the video capture signal is divided into characters and used as the input signal of the neural network.

[0031] The automatic triggering of the motion video trigger mode is specifically that when a moving vehicle enters the screen camera screen preset virtual detection coil, it will cause the image to change. The system uses the car number plate graphic template to quickly scan the screen, and when it finds that there is a possible number plate area The system will automatically mark when the high-speed scanning of the full screen i...

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Abstract

The invention relates to a floating number plates discriminating method, which is based on the three-road parallel manmade nerve-net. The identify steps are that adopting the video burst mode to catch the video automatically for the collection of video pictures of the moving vehicle, character cutting the part of pictures of the number plates and then being the input signal of the nerve-net; said nerve-net adopts three standard self-adapt vibrate net each of which has its own work, the three nets are the Chinese characters identify net, the English characters identify net and the data identify net, all of which identify the inputted vector signals at one time, and outputs the most similar sort unity respectively, through controlling the property of the Territory value and the identify accurately according to the number plates and filter, at last add a color property of number plates as the output of the discriminating results. Adopting the method of the invention can identify the number plates of vehicle fast and accurately under the largest driving speed of the vehicles.

Description

Technical field: [0001] The invention relates to a number plate recognition method, more specifically to a method for recognizing a target number plate for a running vehicle. Background technique: [0002] As the object to be managed and controlled, the identity of the moving car must be confirmed. At present, various intelligent transportation application systems based on video recognition of automobile license plates mainly include: automatic identification system for running red lights at intersections, on-site penalty system for vehicle speeding, vehicle identification system at checkpoints, automatic toll payment system for vehicles, automatic management system for parking lots, mobile electronic police system, etc., as the key sensor device of the above-mentioned system, the automatic license plate recognition system must have the characteristics of fast, accurate and easy to obtain, so as to achieve the practical purpose. [0003] At present, there are mainly three m...

Claims

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Application Information

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IPC IPC(8): G08G1/017
Inventor 金庆江刘宗田徐秋红
Owner ANHUI VOCATION TECH CO LTD
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