CN205943083U - Vehicle information identification device based on two -dimensional code - Google Patents

Abstract

The utility model relates to a vehicle information identification device based on a two-dimensional code, which includes a QR two-dimensional code license plate, image acquisition equipment, processing and identification equipment, display equipment, a cloud server and a client; the QR two-dimensional code license plate includes a car standard The license plate and the QR two-dimensional code that is arranged on the side of the standard license plate of the car and stores the license plate information of the car; The network is connected to the cloud server; the image acquisition device is used to collect the information of the QR two-dimensional code on the QR two-dimensional code license plate and transmit the information of the QR two-dimensional code to the processing identification device; the processing identification device It includes a decoder unit and a database unit, the decoder unit decodes the QR two-dimensional code to generate vehicle information and stores it in the database unit, and the processing and identification device uploads the vehicle information to the cloud server.

Description

Vehicle information identification device based on two-dimensional code

technical field

The utility model relates to the field of vehicle traffic, in particular to a vehicle identification device based on a two-dimensional code.

Background technique

The current license plate recognition system relies on different acquisition equipment, processing equipment and different algorithms, and the recognition efficiency and recognition rate are not the same, especially for the license plate occlusion or defacement, it is basically impossible to deal with it correctly. At the road toll station, when the toll-paying vehicles park in the past, the vehicle license plate needs to be automatically recognized. However, recognition errors or unrecognizable situations often occur. At this time, the staff needs to manually input, which reduces the traffic efficiency.

Contents of the invention

In view of this, the purpose of this utility model is to provide a vehicle information identification device based on a two-dimensional code, which introduces the two-dimensional code technology into the license plate recognition and improves the recognition rate.

The utility model is realized by the following scheme: a vehicle information identification device based on a two-dimensional code, including a QR two-dimensional code license plate, image acquisition equipment, processing and identification equipment, a display device, a cloud server and a client; the QR two-dimensional code The license plate includes an automobile standard license plate and a QR two-dimension code that is arranged on the side of the automobile standard license plate and stores the information of the automobile license plate; the processing identification device is connected with the image acquisition device, processing identification device, display device, and cloud server, The client is connected to the cloud server through a wireless network; the image acquisition device is used to collect the information of the QR two-dimensional code on the QR two-dimensional code license plate and transmit the information of the QR two-dimensional code to the processing Identification equipment; the processing identification equipment includes a decoder unit and a database unit, the decoder unit decodes the QR two-dimensional code to generate vehicle information and stores it in the database unit, and the processing identification equipment will The vehicle information is uploaded to the cloud server.

Further, the image acquisition device is a high-definition camera.

Further, the display device is an LED display screen, which is installed at the entrance and exit of a toll booth or a parking lot.

Further, in the QR two-dimensional code license plate, the QR two-dimensional code is set on the right side of the standard car license plate, and the QR two-dimensional code is a square whose side length is consistent with the height of the standard car license plate image.

Further, the client is an intelligent mobile terminal, including a mobile phone and a tablet.

Further, the processing identification device is a PC terminal.

Compared with the prior art, the utility model introduces the two-dimensional code technology into the license plate recognition, adds a two-dimensional code license plate of a specific specification on the side of the existing vehicle license plate, and improves the recognition rate of the license plate. In addition, the user can query the vehicle information through the interaction between the client and the cloud server.

Description of drawings

Fig. 1 is a system block diagram of a vehicle information identification device based on a two-dimensional code of the present invention.

Figure 2 is a schematic diagram of the standard small car license plate specification.

Fig. 3 is a schematic diagram of the QR two-dimensional code license plate of the present invention.

Fig. 4 is a flow diagram of the vehicle identification system of the QR two-dimensional code of the present invention.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

This embodiment provides a vehicle information identification device based on a two-dimensional code, as shown in Figure 1, including a QR two-dimensional code license plate, image acquisition equipment, processing and identification equipment, display equipment, cloud server and client; Dimensional code license plate comprises automobile standard license plate and is arranged on the QR two-dimension code that is stored with this automobile license plate information beside described automobile standard license plate; connected, the client is connected to the cloud server through a wireless network; the image acquisition device is used to collect the information of the QR two-dimensional code on the QR two-dimensional code license plate and transmit the information of the QR two-dimensional code to the The processing identification device; the processing identification device includes a decoder unit and a database unit, the decoder unit decodes the QR two-dimensional code to generate vehicle information and stores it in the database unit, the processing identification The device uploads the vehicle information to the cloud server.

In this embodiment, since the common form of license plate in my country's road traffic is mainly a small car license plate, the standard license plate size of a small car shown in Figure 2 is 440mmx140 mm, and in the QR two-dimensional code license plate, the QR two-dimensional code setting It is on the right side of the standard car license plate, and the QR two-dimensional code is a square image whose side length is consistent with the height of the standard car license plate, and the height is 140 mm. Taking Shaanxi A∙ X0417 as an example, as the version of the QR code increases, the complexity of the version will increase, and the graphic reading time of the version that is too high will be too long, and the resolution requirements for the image acquisition equipment will also be higher. The higher the value, it is not conducive to the real-time and cost considerations of the license plate recognition system, and the license plate information is relatively single, so it is not necessary to use a higher version of the two-dimensional code. Therefore, this paper uses the QR two-dimensional code version 3 to generate the license plate as shown in Figure 3.

In this embodiment, the image acquisition device is a high-definition camera; the display device is an LED display screen, which can be installed at the entrance and exit of a toll station or a parking lot, so that staff can view vehicle information.

In this embodiment, the processing identification device is a PC terminal.

The current license plate recognition is still not 100% correct, and sometimes the results may not be correct, and staff comparison is required. In this embodiment, due to the uniqueness of the content identified by the QR code, one is to correctly identify and restore the content, and the other is to fail to identify and have no result. Therefore, in the identification process, if the two-dimensional code part of the license plate can be recognized and the result is unique, the result can be output directly. The flow chart of the vehicle identification system using QR two-dimensional code is shown in Figure 4. Users can The vehicle information can be queried through the interaction between the terminal and the cloud server.

The above descriptions are only preferred embodiments of the present utility model, and all equivalent changes and modifications made according to the patent scope of the present utility model shall fall within the scope of the present utility model.

Claims (6)

1. A vehicle information identification device based on a two-dimensional code, characterized in that: it comprises a QR two-dimensional code license plate, an image acquisition device, a processing identification device, a display device, a cloud server and a client; the QR two-dimensional code license plate includes A standard car license plate and a QR two-dimensional code that stores the car license plate information next to the standard car license plate; the processing and identification device is connected to the image acquisition device, processing and recognition device, display device, and cloud server. The client is connected to the cloud server through a wireless network; the image acquisition device is used to collect the information of the QR two-dimensional code on the QR two-dimensional code license plate and transmit the information of the QR two-dimensional code to the processing and identification device The processing identification device includes a decoder unit and a database unit, the decoder unit decodes the QR two-dimensional code to generate vehicle information and stores it in the database unit, and the processing identification device stores the vehicle information Upload to the cloud server. 2. A vehicle information identification device based on a two-dimensional code according to claim 1, wherein the image acquisition device is a high-definition camera. 3 . The vehicle information identification device based on two-dimensional codes according to claim 1 , wherein the display device is an LED display screen, which is installed at the entrance and exit of a toll booth or a parking lot. 4 . 4. A vehicle information identification device based on a two-dimensional code according to claim 1, characterized in that: in the QR two-dimensional code license plate, the QR two-dimensional code is set on the right side of the standard automobile license plate , and the QR two-dimensional code is a square image whose side length is consistent with the height of the standard car license plate. 5. A vehicle information identification device based on a two-dimensional code according to claim 1, wherein the client is an intelligent mobile terminal, including a mobile phone and a tablet. 6 . The two-dimensional code-based vehicle information identification device according to claim 1 , wherein the processing identification device is a PC terminal.