WO2017113784A1

WO2017113784A1 - Barcode scanning payment method and apparatus of pos terminal

Info

Publication number: WO2017113784A1
Application number: PCT/CN2016/092344
Authority: WO
Inventors: 柯婷; 吴卫东; 蒋声障; 刘礼建
Original assignee: 福建联迪商用设备有限公司
Priority date: 2015-12-30
Filing date: 2016-07-29
Publication date: 2017-07-06
Also published as: CN105654012A

Abstract

Disclosed are a barcode scanning payment method and apparatus of a POS terminal. The method comprises: S1, aligning a barcode with a front camera of a POS terminal, to acquire an image frame sequence of the barcode; and S2, transferring the image frame sequence to a data decoding module for decoding. By means of the method, the present invention is easy in operation, and barcode scanning can be implemented without holding a heavy POS terminal.

Description

Instruction manual Name: POS scan code payment method and device

[0001] The present invention relates to the field of image decoding technologies, and in particular, to a POS scan code payment method and apparatus.

Background technique

[0002] The traditional scan code payment system uses the camera on the back to collect barcode images. Since the external light source is generally above the barcode, the design of the back camera is convenient to use external light to avoid the barcode paper being in the backlight state. The light fills the camera to ensure that the barcode image is captured in a well-lit condition to deliver a higher quality barcode image frame sequence for the decoding module.

[0003] At the same time, mobile phone bar code payment has become a hot spot for payment. The launch of WeChat bar code payment and Alipay bar code payment has made bar code payment a mainstream way of offline payment. People travel without even cash, as long as a smartphone can be used for payment, and the POS machine's module for mobile phone barcode payment comes into being. However, this method needs to pick up the POS machine for scanning code, and the operation is not convenient enough; and the user does not make full use of the mobile phone barcode itself to fill the camera with the characteristics of the light, the waste of resources, some will have excess fill light, resulting in unnecessary power consumption. .

technical problem

[0004] The technical problem to be solved by the present invention is: Providing a bar code payment method based on the POS front camera with a fill light, using the light emitted from the screen of the mobile phone to provide a light source for the camera without additional light. At the same time, for ordinary barcode paper, the adaptive light fill light can meet the needs of a wider range of scanning codes.

Problem solution

Technical solution

[0005] In order to solve the above technical problem, the technical solution adopted by the present invention is: Providing a POS scan code payment method, including:

[0006] S1: align the barcode with the camera on the front of the POS machine to collect the image frame sequence of the barcode;

[0007] S2: transmitting the image frame sequence to the data decoding module for decoding.

[0008] In order to solve the above problem, the present invention further provides a POS scan code payment device, including: [0009] an image acquisition module, comprising a front camera disposed on the front of the device, configured to collect a sequence of barcode image frames

[0010] a control module, configured to control whether the front camera mode is activated to collect a sequence of barcode image frames;

[0011] a data decoding module, configured to decode the barcode image.

Advantageous effects of the invention

Beneficial effect

[0012] The beneficial effects of the present invention are: Different from the prior art, the present invention collects the image frame sequence of the barcode by aligning the barcode with the front camera of the POS machine; and transmits it to the data decoding module for decoding to implement the POS scan code. Pay. The invention is convenient to operate, and can scan code without holding a cumbersome POS machine. Brief description of the drawing

DRAWINGS

1 is a front elevational view showing the appearance of a bar code payment system based on a POS front camera according to an embodiment of the present invention;

2 is a schematic diagram of a bar code payment device based on a POS front camera according to an embodiment of the present invention;

3 is a schematic flow chart of a bar code payment system based on a POS front camera according to an embodiment of the present invention.

detailed description

[0016] The most important idea of the present invention is to: when the barcode is aligned with the front camera of the POS machine, it is judged whether or not the light is needed to selectively fill the light, and the image is acquired and decoded.

[0017] Embodiment 1 of the present invention provides a POS scan code payment method, including:

[0018] S1: align the barcode with the camera on the front of the POS machine, and collect a sequence of image frames of the barcode;

[0019] S2: transmitting the image frame sequence to the data decoding module for decoding.

[0020] wherein, in step S1, if the barcode is on the carrier that needs to be filled, the fill light is turned on; if the barcode is on the carrier that does not need to fill light, the barcode is directly aligned with the camera. The carrier that needs to fill light here includes a barcode paper; the carrier that does not require light supplementation includes a mobile terminal.

[0021] In actual operation, before performing the scan code, it is necessary to perform step SO: 幵 front camera of the POS machine. After the front camera is turned on, preferably, the camera has a depth of field of 30 to 500 mm; Align the front camera 吋 of the POS machine with a distance of 50~200mm from the front camera.

[0022] Different from the prior art, the present invention collects a sequence of image frames of a barcode by aligning the barcode with the front camera of the POS machine; and transmits the image frame sequence to the data decoding module for decoding to implement POS scan payment. The invention is convenient to operate, and can scan code without holding a cumbersome POS machine.

[0023] The second embodiment of the present invention provides a POS scan code payment device, which includes:

[0024] an image acquisition module, comprising a front camera disposed on a front side of the device;

[0025] a control module, configured to control whether the front camera mode is activated to collect a sequence of barcode image frames;

[0026] A data decoding module, configured to decode the barcode image.

[0027] wherein, the lighting module further includes at least one fill light, and the control module controls the opening/closing of the fill light; when the barcode is in the carrier that needs to be filled, the fill light can be turned on. . The front side of the P OS scan code payment device further includes a fill light switch connected to the control module for controlling the opening/closing of the lighting module.

[0028] After decoding, the data decoding module decodes the barcode image using ZBar. Preferably, decoding

The camera depth range is set to 30~500mm.

[0029] In order to facilitate the understanding of the technical solutions of the present invention, the following detailed description will be made by way of specific embodiments with reference to the accompanying drawings.

[0030] Firstly, the present invention provides a barcode payment method based on a POS front camera with a self-contained fill light. When the acquired barcode is a mobile terminal barcode, the light emitted from the screen of the mobile terminal can be used to provide a light source for the camera. There is no need to additionally add a fill light to the camera. The front camera setting, in the case of not moving the POS machine, only needs the mobile terminal to call up the barcode, and the screen is directed downwards to the POS machine, so that the scanning code can be realized and the operation is convenient. At the same time, when the bar code is a common bar code paper, it can be adapted to start the light, which satisfies the scanning code requirement of ordinary bar code paper.

[0031] The mobile terminal of the present invention may be a mobile phone, a tablet or other electronic device with a displayable barcode screen.

1 is a front elevational view of a bar code payment system based on a POS front camera according to an embodiment of the present invention. The present invention implements a scan code payment of a bar code of a mobile terminal by using a front camera, and does not need to turn on the LED fill light, thereby saving cost. At the same time, this design only needs to align the barcode of the mobile terminal with the camera, and does not need to move the POS machine, the design is more reasonable and the operation is more convenient.

2 is a bar code payment device based on a POS front camera according to an embodiment of the present invention, as shown in FIG. The system includes a control module, an image acquisition module, and a data decoding module, wherein:

[0034] The control module includes an imaging control unit. The camera control unit is electrically connected to the image acquisition module. When the camera mode control unit receives the signal of the bar code image, the unit controls the front camera to start collecting the bar code image.

[0035] Specifically, the image acquisition module may be composed of a traditional analog or digital camera of more than 300,000 pixels.

Forming a front camera of the system, the control module is electrically connected to the module, and passes through the camera control unit

, controlling whether the front camera mode is used to capture a sequence of barcode image frames;

[0036] The control module includes at least a camera control unit and a light control unit.

[0037] The lighting module is composed of one or more LED fill lights, and is electrically connected to the control module, and realizes the LED fill light by controlling the light control unit of the module.

[0038] The camera switching control unit is electrically connected to the image capturing module, and the front camera is activated by the control unit.

[0039] The front side of the payment device may be provided with a fill light switch, and the fill light switch is connected to the control module. When the barcode needs to fill light, the fill light switch can be manually controlled.

[0040] The present invention also provides a bar code payment scheme for the system as described above: by setting a fill light control button, an artificially controllable fill light is implemented. The POS front camera captures the bar code image. When the bar code is the bar code of the mobile phone, the feature of the mobile phone screen is used to bring the light on the screen of the mobile phone. It is not necessary to turn on the LED fill light to save energy. When the bar code is ordinary bar code paper, press the fill light control button.幵 LED LED fill light for the camera fill light, convenient camera capture high quality barcode image frame sequence. At the same time, it is not necessary to move the POS machine, making the scanning code payment more convenient.

3 is a schematic flow chart of a bar code payment system based on a POS front camera according to an embodiment of the present invention. The specific implementation steps of the embodiment of the present invention are as follows:

[0042] 1. The human eye determines whether the barcode is a mobile phone barcode or a common barcode paper, if it is a mobile phone barcode, step S2 is performed, otherwise step S4 is performed;

[0043] 2. The mobile phone calls up the barcode;

[0044] 3. The camera control unit controls the image acquisition module to enter the front camera image mode, the phone bar code is placed 50 to 200 mm away from the front camera of the POS, and the front camera is aligned to perform bar code image acquisition, step S5 is performed;

[0045] 4. The camera control unit controls the image acquisition module to enter the front camera image mode, and presses the fill light control button. Button, 幵启LED fill light, place the barcode paper 50~200mm away from the front camera of the POS, aim at the front camera, and collect the barcode image;

[0046] 5. Transfer the barcode image frame sequence to the data decoding module, using ZBar for decoding;

[0047] 6. The POS machine completes the scan code payment.

[0048] Here, a supplementary explanation is made for the selection of the camera, and the POS machine performs the scan code payment, and the distance between the barcode and the camera is generally 50 to 200 mm, in order to ensure the clarity of the acquired barcode image and the proportion of the target in the entire image. The suitability of the camera depth range should be controlled at around 30~500mm.

In addition, the data decoding module can perform decoding using the source code ZBar, but is not limited to ZBar. In the decoding mode, those skilled in the art can perform some transformation or optimization on this basis.

[0050] The barcode payment system based on the POS front camera adopts the design of the front camera to fully utilize the characteristics of the mobile phone barcode (self-contained light source), and adopts the front camera mode to realize the scanning of the barcode of the mobile phone without the need to fill the camera. Code payment. The design of the invention is more practical and convenient.

Claims

Claim

A POS scan code payment method, comprising:

S1: Align the barcode with the front camera of the P0S machine to collect the image frame sequence of the barcode;

S2: transmitting the image frame sequence to the data decoding module for decoding.

The POS scan payment method according to claim 1, wherein in step S1, if the barcode is on a carrier that needs to be filled, the fill light is turned on; if the barcode is on a carrier that does not need to be filled, the direct Align the barcode with the camera.

The POS scan code payment method according to claim 1, wherein before step S1

, Also includes:

SO: 幵 POS front camera.

The POS scan code payment method according to claim 1, wherein

The camera has a depth of field ranging from 30 to 500 mm;

Aligning the barcode with the front camera 吋, and the distance from the front camera is 50-200 mm. The POS scan payment method according to claim 2, wherein the carrier that needs to fill light includes barcode paper; The carrier of light includes a mobile terminal.

A POS scan code payment device, comprising:

The image acquisition module includes a front camera disposed on the front side of the device; and a control module configured to control whether the front camera mode is activated to collect a barcode image frame sequence data decoding module for decoding the barcode image.

[Claim 7] The POS scan payment device according to claim 6, further comprising: a lighting module, comprising at least one fill light, wherein the control module controls the opening/closing of the fill light; In the carrier 需要 that needs to fill light, the fill light can be turned on.

[Claim 8] The POS scan payment device according to claim 6, wherein the data decoding module decodes the barcode image using ZBar.

[Claim 9] The POS scan payment device according to claim 7, wherein the front side of the device further comprises a fill light switch connected to the control module for controlling the opening/closing of the lighting module. [Claim 10] The POS scan payment device according to claim 5, wherein the camera has a depth of field of 30 to 500 mm.