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Five value simplifying method for images

An image and license plate image technology, applied in the field of image processing, can solve the problem of little progress in license plate recognition, and achieve the effect of improving the license plate recognition rate, simplifying the amount of calculation, and reducing the computational complexity.

Inactive Publication Date: 2011-02-09
张忠义
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For a long time, there has been little progress in solving license plate recognition through color mode, or in other words, there has been no practical results that can enter the engineering sense.

Method used

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  • Five value simplifying method for images
  • Five value simplifying method for images
  • Five value simplifying method for images

Examples

Experimental program
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Effect test

Embodiment Construction

[0030] The concrete implementation of the present invention is aimed at a real application situation, through the urban self-parking and supervising system based on mobile phone ( figure 1 )accomplish. The system is identified by parking signs ( figure 2 ), mobile meter ( image 3 ), supervisory procedures ( Figure 4 ), a management program and a server, and the functions of each component are:

[0031] 1. The parking sign is a white or yellow box line marked on the sidewalk side of the road or on the ground in other places. Each box line is marked with a parking space number of no more than 8 digits and composed of numbers. The function of the parking sign is to remind the owner that the car can be temporarily parked in the parking sign.

[0032] 2. The function of the mobile meter is to enable the car owner to park the vehicle in the parking space with the parking sign and realize the networked parking timing, billing and fee payment through the mobile meter in his mob...

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Abstract

The invention relates to an urban self-help parking and supervisory system based on a mobile phone, belonging to the field of wireless internet service and applied to urban self-help parking and supervision. The system consists of five parts including a parking identification, a mobile phone parking meter, a supervisory program, a management program and a server, wherein the mobile phone parking meter, the supervisory program and the management program are respectively imbedded into the mobile phones of a car owner, a parking manager and a parking management superintendent in the manner of air download; the car owner can realize networked parking timing, charging and payment through the mobile phone parking meter after parking the car in a parking place with the parking identification; the parking manager can realize the real-time supervision over all or partial parking places according to authorization through the supervisory program, take pictures of cars which break traffic rules and regulations and uploads the pictures and the reorganization result of taken pictures to the server in real time; the parking management superintendent can set basic data required by the self-help parking of the car owner and the supervision of the parking manager through the management program.

Description

technical field [0001] The invention belongs to the field of image processing and relates to the image binarization problem in the license plate recognition process. Background technique [0002] License plate recognition is an important aspect in the current image processing field. License plate recognition technology was born in the 1990s. Despite nearly 20 years of development, license plate recognition can only be performed on images with better imaging conditions, and the image recognition rate for "exposure deviation or image defacement" is still low. [0003] Generally speaking, the final link of license plate recognition is character recognition. The basis of character recognition is image binarization. The difficulty of image binarization lies in the threshold selection. Thresholding is a classic problem in the field of image processing. So far, there is no method to obtain a general threshold, and no method to evaluate whether the threshold is appropriate for th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00
Inventor 张忠义
Owner 张忠义
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