CN114282561A - A code identification display method, device, electronic device and storage medium - Google Patents

Abstract

The invention relates to a code identification display method, device, electronic equipment and storage medium. The code identification display method comprises: determining whether a trigger event for displaying a code identification is detected; if a triggering event for generating a code identification is detected, the display does not include the The interface of the code identification; detecting whether there is a scanning device in the preset scanning area; if the scanning device exists in the preset scanning area, the interface containing the code identification is displayed. This embodiment of the present invention can first determine whether a scanning device exists in the preset scanning area before displaying the code identification, and display the code identification only when there is a scanning device in the preset scanning area, and realize that the code identification is only displayed to the scanning device, reducing the The probability that the small code logo is displayed to other illegal devices improves the security of the code logo display.

Description

A code identification display method, device, electronic device and storage medium

technical field

The present application relates to the technical field of electronic information, and in particular, to a code identification display method, device, electronic device and storage medium.

Background technique

With the continuous improvement of people's living standards, the use of smart phones has become more and more common, and it has brought various conveniences to people. The use of QR codes has penetrated into all aspects of life. At the same time, the functions of smart phones are becoming more and more powerful, and the multi-lens lens is constantly emerging, and the risk of being stolen is also increasing.

Under normal circumstances, the user presents the QR code to the corresponding merchant through the smartphone to complete functions such as identity authentication or payment. However, in the process of presenting the QR code, if the code is scanned by other devices from a long distance, it may cause personal information leakage or property damage.

SUMMARY OF THE INVENTION

In order to solve the technical problem of poor security when presenting a two-dimensional code for identity authentication or payment, the present application provides a code identification display method, device, electronic device and storage medium.

In a first aspect, the present application provides a method for displaying a code identification, including:

Determine whether the trigger event of the display code identification is detected;

If the trigger event of the generated code identification is detected, an interface that does not contain the code identification is displayed;

Detect whether there is a scanning device in the preset scanning area;

If the scanning device exists in the preset scanning area, an interface including the code identification is displayed.

Optionally, detecting whether there is a scanning device in the preset scanning area includes:

Detect whether there is a scanning device with a separation distance from itself within a preset distance range;

If there is a scanning device whose separation distance from itself is within the preset distance range, detect whether there is a scanning device whose included angle with itself is within the preset included angle range;

If there is a scanning device whose included angle with itself is within the preset included angle range, it is determined that the scanning device exists in the preset scanning area.

Optionally, detecting whether there is a scanning device with a distance from itself within a preset distance range, including:

Detect the distance between itself and the scanning device;

comparing the separation distance with the maximum boundary value and the minimum boundary value of the preset distance range;

If the separation distance is greater than the minimum boundary value and smaller than the maximum boundary value, it is determined that there is a scanning device whose separation distance from itself is within a preset distance range.

Optionally, detecting the separation distance between itself and the scanning device, including:

controlling the distance detection sensor to emit a first detection signal;

receiving a first echo signal returned after the first detection signal encounters an obstacle;

The separation distance is calculated based on the first detection signal and the first echo signal.

Optionally, detecting the separation distance between itself and the scanning device, including:

Obtain the captured image captured by the front camera;

If the scanning device is identified in the captured image, obtain the window image size of the scanning window of the scanning device in the captured image;

Calculate the actual distance corresponding to the image size of the window based on the actual window size of the scanning window of the scanning device and the preset size-distance correspondence;

The actual distance is determined as the separation distance.

Optionally, detecting whether there is a scanning device with an included angle with itself within a preset included angle range, including:

Obtain the captured image captured by the front camera;

detecting an image area of a scan window of the scanning device in the acquired image;

If the ratio of the image area to the area of the captured image exceeds a preset area threshold, it is determined that there is a scanning device whose included angle with itself is within a preset included angle range.

Optionally, the method further includes:

If the scanning device does not exist in the preset scanning area, an interface that does not include the code identification is displayed.

In a second aspect, the present application provides a code identification display device, comprising:

The first detection module is used to determine whether to detect the trigger event of the display code identification;

a first display module, configured to display an interface that does not contain the code identification if a trigger event for generating a code identification is detected;

The second detection module is used to detect whether there is a scanning device in the preset scanning area;

The second display module is configured to display an interface including the code identifier if the scanning device exists in the preset scanning area.

Optionally, the second detection module includes:

a first detection unit, configured to detect whether there is a scanning device with an interval distance from itself within a preset distance range;

a second detection unit, configured to detect whether there is a scanning device with an included angle between itself and a scanning device within a preset included angle range if there is a scanning device with a separation distance between itself and itself within a preset distance range;

The determining unit is configured to determine that the scanning device exists in the preset scanning area if there is a scanning device whose included angle with itself is within a preset included angle range.

Optionally, the first detection unit includes:

The first detection subunit is used to detect the separation distance between itself and the scanning device;

a comparison subunit for comparing the separation distance with the maximum boundary value and the minimum boundary value of the preset distance range;

A first determination subunit, configured to determine that there is a scanning device with a separation distance from itself within a preset distance range if the separation distance is greater than the minimum boundary value and smaller than the maximum boundary value.

Optionally, the first detection subunit is also used for:

controlling the distance detection sensor to emit a first detection signal;

receiving a first echo signal returned after the first detection signal encounters an obstacle;

The separation distance is calculated based on the first detection signal and the first echo signal.

Optionally, the first detection subunit is also used for:

Obtain the captured image captured by the front camera;

If the scanning device is identified in the captured image, obtain the window image size of the scanning window of the scanning device in the captured image;

Calculate the actual distance corresponding to the image size of the window based on the actual window size of the scanning window of the scanning device and the preset size-distance correspondence;

The actual distance is determined as the separation distance.

Optionally, the second detection unit includes:

an acquisition sub-unit for acquiring the captured image captured by the front camera;

a second detection subunit, configured to detect the image area of the scanning window of the scanning device in the captured image;

The second determination subunit is configured to determine that there is a scanning device whose included angle with itself is within a preset included angle range if the ratio of the image area to the area of the captured image exceeds a preset area threshold.

Optionally, the device further includes:

The interface display module is configured to display an interface that does not contain the code identification if the scanning device does not exist in the preset scanning area.

In a third aspect, the present application provides an electronic device, including a processor, a communication interface, a memory, and a communication bus, wherein the processor, the communication interface, and the memory communicate with each other through the communication bus;

memory for storing computer programs;

The processor is configured to implement any one of the code identification display methods described in the first aspect when executing the program stored in the memory.

In a fourth aspect, the present application provides a computer-readable storage medium on which a program of a code identification display method is stored, and the first aspect is implemented when the program of the code identification display method is executed by a processor Any of the steps of the code identification display method.

Compared with the prior art, the above-mentioned technical solutions provided in the embodiments of the present application have the following advantages:

The embodiment of the present invention firstly determines whether a trigger event for displaying a code identifier is detected, and if a trigger event for generating a code identifier is detected, an interface that does not contain the code identifier is displayed, and then it is detected whether there is a scanning device in the preset scanning area. The scanning device exists in the preset scanning area, and an interface including the code identification can be displayed.

This embodiment of the present invention can first determine whether a scanning device exists in the preset scanning area before displaying the code identification, and display the code identification only when there is a scanning device in the preset scanning area, so as to realize that the code identification is only displayed to the scanning device, reducing The probability of displaying the code identification to other illegal devices improves the security of the code identification display.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description serve to explain the principles of the invention.

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. In other words, on the premise of no creative labor, other drawings can also be obtained from these drawings.

1 is a flowchart of a method for displaying a code identification provided by an embodiment of the present application;

2 is a structural diagram of a code identification display device provided by an embodiment of the present application;

FIG. 3 is a structural diagram of an electronic device provided by an embodiment of the present application.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present application.

At present, when a user presents a QR code to a corresponding merchant through a smartphone to complete functions such as identity authentication or payment, if the code is scanned by other devices from a distance, personal information may be leaked or property damage may be caused. For this reason, the embodiments of the present application Provided are a code identification display method, device, electronic device and storage medium.

The code identification display method can be applied to a user terminal, and a distance detection sensor and a camera can be set in the user terminal. As shown in FIG. 1 , the code identification display method may include the following steps:

Step S101, determining whether a trigger event of the display code identification is detected;

The system can always monitor the display content and exit of all app pages. When the user operates the app to display the payment page or authentication page, etc. and needs to display the code identification for other scanning devices to read, it can determine that the triggering event of the display code identification is detected.

Step S102, if the triggering event of the generated code identification is detected, an interface that does not contain the code identification is displayed;

In the embodiment of the present invention, a mask layer for blocking the code mark can be added above the code mark, and the interface of the mask layer can be displayed, and other contents can also be directly displayed, such as pictures, videos, texts, etc. unrelated to the code mark.

Step S103, detecting whether there is a scanning device in the preset scanning area;

A preset scanning area can be set in advance to detect whether the position of the scanning device meets the conditions for displaying the code identification. The included angle between the scanning device and the user terminal is located in the area of the preset included angle range. the angle between the lines.

The preset distance range may be, for example, 5cm-50cm, and the preset angle range may be, for example, 15 degrees to 30 degrees.

If the scanning device does not exist in the preset scanning area, an interface that does not include the code identification is displayed. That is to say, if the scanning device is not detected in the preset scanning area, it can be considered that the user terminal is too far away from the scanning device at this moment, and the current position of the user terminal may have the risk of the code identification being stolen and swiped, so the display does not contain the code. Identified interface.

Step S104, if the scanning device exists in the preset scanning area, display an interface including the code identifier.

If the scanning device is detected in the preset scanning area, the code identification can be displayed directly, which is convenient for the scanning device to scan.

The embodiment of the present invention firstly determines whether a trigger event for displaying a code identifier is detected, and if a trigger event for generating a code identifier is detected, an interface that does not contain the code identifier is displayed, and then it is detected whether there is a scanning device in the preset scanning area. The scanning device exists in the preset scanning area, and an interface including the code identification can be displayed.

The embodiment of the present invention can first determine whether a scanning device exists in the preset scanning area before displaying the code identification, and display the code identification only when there is a scanning device in the preset scanning area, so as to realize that the code identification is only displayed to the scanning device, reducing The probability that the small code logo is displayed to other illegal devices improves the security of the code logo display.

In yet another embodiment of the present invention, step S103 detects whether there is a scanning device in the preset scanning area, including:

201. Detect whether there is a scanning device with a separation distance from itself within a preset distance range;

In this step, the separation distance between itself and the scanning device can be detected, and then the separation distance can be compared with the maximum boundary value and the minimum boundary value of the preset distance range. If the separation distance is greater than the minimum boundary If the value is smaller than the maximum boundary value, it is determined that there is a scanning device with a separation distance from itself within a preset distance range.

In an embodiment of the present invention, detecting the distance between itself and the scanning device includes: controlling the distance detection sensor to transmit a first detection signal, and receiving the first detection signal to return after encountering an obstacle. wave signal, and the separation distance is calculated based on the first detection signal and the first echo signal.

The distance detection sensor may refer to an infrared ranging sensor or an ultrasonic ranging sensor or the like.

In another embodiment of the present invention, detecting the separation distance between itself and the scanning device includes: acquiring a captured image captured by a front-facing camera; if a scanning device is identified in the captured image, acquiring the captured image The window image size of the scanning window of the scanning device described in the above; based on the actual size of the window of the scanning window of the scanning device and the preset size-distance correspondence, the actual distance corresponding to the window image size is calculated, and the actual distance corresponding to the window image size is calculated. The distance is determined as the separation distance.

In this embodiment of the present invention, the size of the scanning window of various scanning devices on the market can be collected in advance. For example, the window size of the scanning window of multiple types of scanning devices can be obtained in advance, stored in the data set, and can also be used in During the process, when it is detected that the scanning device is different from the scanning device in the data set, the network obtains the size of the scanning window of the scanning device from the network, and then adds the obtained size to the data set, etc., so as to continuously update the rich data. Set, always be able to find the size of the scanning device for each scanning device.

Moreover, when the scanning windows of different window sizes are at different actual distances from the user equipment, the window image size in the captured image captured by the user terminal can be preset, and further, the window image size in the captured image captured this time and the corresponding The relationship is calculated to get the separation distance.

202, if there is a scanning device with an interval distance between itself and itself within a preset distance range, detect whether there is a scanning device with an included angle with itself within a preset included angle range;

In this embodiment of the present invention, the captured image captured by the front camera may be acquired first, and then the image area of the scanning window of the scanning device is detected in the captured image. If the ratio of the image area to the area of the captured image exceeds The preset area threshold is used to determine that there is a scanning device whose included angle with itself is within the preset included angle range.

If the proportion of the image area of the scanning window to the total area of the captured image exceeds the preset area threshold, it can be considered that the scanning window of the scanning device is projected onto the screen of the user terminal. A scanning device in which the angle between the terminals themselves is within a preset angle range.

203. If there is a scanning device with an included angle with itself within a preset included angle range, determine that the scanning device exists in the preset scanning area.

The embodiment of the present invention can determine whether there is a scanning device in the preset scanning area through distance judgment and angle judgment, so as to achieve the purpose of accurately detecting the scene to be scanned, thereby facilitating accurate determination of when to display the code mark.

In yet another embodiment of the present invention, a code identification display device is also provided, as shown in FIG. 2 , comprising:

The first detection module 11 is used to determine whether the trigger event of the display code identification is detected;

The first display module 12 is used to display an interface that does not contain the code identification if the trigger event of the generated code identification is detected;

The second detection module 13 is used to detect whether there is a scanning device in the preset scanning area;

The second display module 14 is configured to display an interface including the code identifier if the scanning device exists in the preset scanning area.

Optionally, the second detection module includes:

a first detection unit, configured to detect whether there is a scanning device with an interval distance from itself within a preset distance range;

a second detection unit, configured to detect whether there is a scanning device with an included angle between itself and a scanning device within a preset included angle range if there is a scanning device with a separation distance between itself and itself within a preset distance range;

The determining unit is configured to determine that the scanning device exists in the preset scanning area if there is a scanning device whose included angle with itself is within a preset included angle range.

Optionally, the first detection unit includes:

The first detection subunit is used to detect the separation distance between itself and the scanning device;

a comparison subunit for comparing the separation distance with the maximum boundary value and the minimum boundary value of the preset distance range;

A first determination subunit, configured to determine that there is a scanning device with a separation distance from itself within a preset distance range if the separation distance is greater than the minimum boundary value and smaller than the maximum boundary value.

Optionally, the first detection subunit is also used for:

controlling the distance detection sensor to emit a first detection signal;

receiving a first echo signal returned after the first detection signal encounters an obstacle;

The separation distance is calculated based on the first detection signal and the first echo signal.

Optionally, the first detection subunit is also used for:

Obtain the captured image captured by the front camera;

If the scanning device is identified in the captured image, acquiring the window image size of the scanning window of the scanning device in the captured image;

Calculate the actual distance corresponding to the image size of the window based on the actual window size of the scanning window of the scanning device and the preset size-distance correspondence;

The actual distance is determined as the separation distance.

Optionally, the second detection unit includes:

an acquisition sub-unit for acquiring the captured image captured by the front camera;

a second detection subunit, configured to detect the image area of the scanning window of the scanning device in the captured image;

The second determination subunit is configured to determine that there is a scanning device whose included angle with itself is within a preset included angle range if the ratio of the image area to the area of the captured image exceeds a preset area threshold.

Optionally, the device further includes:

The interface display module is configured to display an interface that does not contain the code identification if the scanning device does not exist in the preset scanning area.

In yet another embodiment of the present invention, an electronic device is also provided, including a processor, a communication interface, a memory, and a communication bus, wherein the processor, the communication interface, and the memory communicate with each other through the communication bus;

memory for storing computer programs;

The processor is configured to implement the code identification display method described in any of the foregoing method embodiments when executing the program stored in the memory.

In the electronic device provided by the embodiment of the present invention, by executing the program stored in the memory, the processor first determines whether a trigger event of the display code identifier is detected. If the trigger event of the generated code identifier is detected, the display does not contain the Then, it is detected whether there is a scanning device in the preset scanning area. If the scanning device exists in the preset scanning area, an interface including the code identification can be displayed.

This embodiment of the present invention can first determine whether a scanning device exists in the preset scanning area before displaying the code identification, and display the code identification only when there is a scanning device in the preset scanning area, and realize that the code identification is only displayed to the scanning device, reducing the The probability that the small code logo is displayed to other illegal devices improves the security of the code logo display.

The communication bus 1140 mentioned in the above electronic device may be a Peripheral Component Interconnect (PCI for short) bus or an Extended Industry Standard Architecture (Extended Industry Standard Architecture, EISA for short) bus or the like. The communication bus 1140 can be divided into an address bus, a data bus, a control bus, and the like. For ease of presentation, only one thick line is used in FIG. 3, but it does not mean that there is only one bus or one type of bus.

The communication interface 1120 is used for communication between the above electronic device and other devices.

The memory 1130 may include random access memory (Random Access Memory, RAM for short), and may also include non-volatile memory (non-volatile memory), such as at least one disk memory. Optionally, the memory may also be at least one storage device located away from the aforementioned processor.

The above-mentioned processor 1110 may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU for short), a network processor (NetworkProcessor, NP for short), etc.; it can also be a digital signal processor (Digital Signal Processing, referred to as DSP), an application-specific integrated circuit (ApplicationSpecificIntegratedCircuit, ASIC for short), Field-Programmable Gate Array (Field-ProgrammableGateArray, FPGA for short) or other programmable logic devices, discrete gate or transistor logic devices, and discrete hardware components.

In yet another embodiment of the present invention, a computer-readable storage medium is also provided, and the computer-readable storage medium stores a program of a code identification display method, and when the program of the code identification display method is executed by a processor Implement the steps of the code identification display method described in any of the foregoing method embodiments.

It should be noted that, in this document, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these Any such actual relationship or sequence exists between entities or operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above descriptions are only specific embodiments of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims (10)

1. a code identification display method, is characterized in that, comprises: Determine whether the trigger event of the display code identification is detected; If the trigger event of the generated code identification is detected, an interface that does not contain the code identification is displayed; Detect whether there is a scanning device in the preset scanning area; If the scanning device exists in the preset scanning area, an interface including the code identification is displayed. 2. The code identification display method according to claim 1, wherein detecting whether there is a scanning device in the preset scanning area comprises: Detect whether there is a scanning device with a separation distance from itself within a preset distance range; If there is a scanning device whose separation distance from itself is within the preset distance range, detect whether there is a scanning device whose included angle with itself is within the preset included angle range; If there is a scanning device whose included angle with itself is within a preset included angle range, it is determined that the scanning device exists in the preset scanning area. 3. The code identification display method according to claim 2, wherein detecting whether there is a scanning device with a distance from itself within a preset distance range, comprising: Detect the distance between itself and the scanning device; comparing the separation distance with the maximum boundary value and the minimum boundary value of the preset distance range; If the separation distance is greater than the minimum boundary value and smaller than the maximum boundary value, it is determined that there is a scanning device whose separation distance from itself is within a preset distance range. 4. code identification display method according to claim 3, is characterized in that, detecting the interval distance between self and scanning device, comprises: controlling the distance detection sensor to emit a first detection signal; receiving a first echo signal returned after the first detection signal encounters an obstacle; The separation distance is calculated based on the first detection signal and the first echo signal. 5. code identification display method according to claim 3, is characterized in that, detecting the interval distance between self and scanning device, comprises: Obtain the captured image captured by the front camera; If the scanning device is identified in the captured image, obtain the window image size of the scanning window of the scanning device in the captured image; Calculate the actual distance corresponding to the image size of the window based on the actual window size of the scanning window of the scanning device and the preset size-distance correspondence; The actual distance is determined as the separation distance. 6. The code identification display method according to claim 2, wherein detecting whether there is a scanning device with an included angle with itself within a preset included angle range, comprising: Obtain the captured image captured by the front camera; detecting an image area of a scan window of the scanning device in the acquired image; If the ratio of the image area to the area of the captured image exceeds a preset area threshold, it is determined that there is a scanning device with an included angle between itself and itself within a preset included angle range. 7. The code identification display method according to claim 1, wherein the method further comprises: If the scanning device does not exist in the preset scanning area, an interface that does not include the code identification is displayed. 8. A code identification display device, characterized in that, comprising: The first detection module is used to determine whether to detect the trigger event of the display code identification; a first display module, configured to display an interface that does not contain the code identification if a trigger event for generating a code identification is detected; The second detection module is used to detect whether there is a scanning device in the preset scanning area; The second display module is configured to display an interface including the code identifier if the scanning device exists in the preset scanning area. 9. An electronic device, characterized in that it comprises a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface, and the memory communicate with each other through the communication bus; memory for storing computer programs; The processor is configured to implement the code identification display method according to any one of claims 1 to 7 when executing the program stored in the memory. 10. A computer-readable storage medium, characterized in that, a program of a code identification display method is stored on the computer-readable storage medium, and claims 1-7 are realized when the program of the code identification display method is executed by a processor Any of the steps of the code identification display method.

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