How to evaluate the advantages and disadvantages of the license plate recognition system technically?

With the increase of vehicles, the problem of urban parking is getting more and more attention. Although the application of license plate recognition technology has helped reduce the pressure on urban transportation, with the acceleration of the development of urbanization in China, the traffic pressure will become more and more severe. Traffic management has become the general direction of traffic development.
As an important core in the intelligent traffic management system, the license plate recognition system will be further supported and developed. However, the license plate recognition system for parking lots is also good or bad. Then, how do you technically evaluate the merits of a license plate recognition system?
How to technically evaluate the merits of a license plate recognition system?
The license plate recognition technology of the future will have more extensive applications. At that time, the license plate recognition system industry will also face a big reshuffle. Only companies with independent core technologies and product quality standards can pass the clearance. Therefore, it is the kingly way to have excellent technology, which is also the license plate. The only way to identify the rapid development phase of technology.
First, the recognition rate of the license plate recognition system
A license plate recognition system is practical, the most important indicator is the recognition rate. The international transportation technology department has done a special discussion on the recognition rate index, which requires that the correct recognition rate for the whole card is 24% to 75%. In order to test the recognition rate of a license plate recognition system, it is necessary to install the system in a practical application environment, run it for more than 24 hours in all weather conditions, collect vehicle license plates when at least 1000 natural vehicles circulate, and need to identify and identify vehicle license plates. The results are stored for viewing. Then, you also need to get the actual passing vehicle image and correct human recognition results. After that, the following recognition rate can be calculated:
1. The recognition rate of natural traffic flow = the total number of correctly identified total cards / the total number of vehicles actually passed.
2. Percentage of identifiable car licenses = Total number of car licenses correctly read/Total number of vehicles actually passed.
3, Can identify the correct recognition rate of the whole card = the total number of license plates correctly recognized by the whole license / the total number of manually read license plates These three indicators determine the recognition rate of the license plate recognition system, such as credibility, false positive rate, etc. The middle result in the license plate recognition process.
Second, license plate recognition system recognition speed
The recognition speed determines whether a license plate recognition system can meet real-time application requirements. A system with a high recognition rate, if it takes a few seconds or even minutes to recognize the result, then this system will have no practical significance because it can not meet the real-time requirements in practical applications. For example, one of the functions of license plate recognition in highway toll collection is to reduce travel time, which is a powerful guarantee for reducing transit time and avoiding traffic jams in this type of application. The speed of recognition proposed by international transportation technology is within 1 second, the sooner the better.
Third, the license plate recognition system background management
The background management system of a license plate recognition system determines whether this license plate recognition system is easy to use. It must be clearly understood that the important point is that the recognition rate of 100% is not possible because the vehicle license plate is dirty, obscure, blocked, or the weather may be bad (snow hail, fog, etc.). The functions of the back-end management system should include:
1.Reliable storage of recognition results and vehicle image data, when the multi-functional system operation makes the network go wrong, it can protect the image data from being lost, at the same time, it is convenient for manual inspection afterwards;
2. Effective automatic comparison and inquiry techniques, the identified license plate number shall be automatically compared with the thousands of license plate numbers in the database and the alarm shall be prompted. If the license plate number is not correctly read, fuzzy query shall be used. Technology can produce relatively "best" comparison results;
3, a good license plate recognition system for network operation, but also need to provide real-time communication, network security, remote maintenance, dynamic data exchange, database automatic updates, hardware parameter settings, system fault diagnosis.
Science is the primary productive force. This is a principle issue. It is also an essential issue. Anything, product, and innovation are not necessary. Elimination is essential. The license plate recognition system is also the same, the popularization of informatization, the continued growth of car ownership, license plate recognition. There will certainly be a big stage in the future of technology, and the prospects are also beautiful. Of course, we must have excellent technology to dominate the situation.

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General

 

 

 

 

Model

 

FY20

FY25

Power Type

 

LPG&Gasoline

LPG&Gasoline

Drive Type

 

Sit

Sit

Load Capacity

kg

2000

2500

Load centre

mm

500

500

Tyre

 

 

 

 

Tyre Type

 

 

Pneumatic Tyre

Pneumatic Tyre


 

 

2X/2

2X/2

Front Tyre

 

7.00-12-12PR

7.00-12-12PR

Rear Tyre

 

6.00-9-10PR

6.00-9-10PR

Overall Dimension

 

 

 

 

Lift Height


3000

3000

Fork Size

L×W×T


1070*120*40

1070*120*40

Mast Tilt Angle

F/R

.

6/12

6/12

Mast Lowered Height


2070

2070

Mast Extended Height(with backrest)


4070

4070

Length to face of fork(Without fork)


2590

2590

Overall Width

mm

1150

1150

Overhead Guard Height

mm

2070

2070

 

2.0-2.5Ton LPG&Gasoline Forklift

 

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1. Warehouse

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