WO2020133221A1

WO2020133221A1 - Screen control method for display screen, and terminal and computer-readable storage medium

Info

Publication number: WO2020133221A1
Application number: PCT/CN2018/124895
Authority: WO
Inventors: 黄晓; 黄莎莎
Original assignee: 深圳市柔宇科技有限公司
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2020-07-02
Also published as: CN113168800A

Abstract

Disclosed are a screen control method for a display screen, and a terminal (100) and a computer-readable storage medium. The screen control method for a display screen comprises: when a display screen (101) is in a screen-on state, acquiring a first environmental parameter of the terminal (100), wherein the first environmental parameter comprises a light intensity of an environment where the display screen (101) is located (S1); according to the light intensity, determining whether the display screen (101) is shielded (S2); and if so, issuing prompt information indicating that the display screen (101) is shielded (S3).

Description

Screen control method of display screen, terminal and computer readable storage medium

Technical field

The present invention relates to the technical field of smart terminals, and more specifically, to a screen control method of a display screen, a terminal, and a computer-readable storage medium.

Background technique

At present, when carrying out offline advertising promotion or event promotion, or carrying out local promotion in special clothing, the control of the effectiveness of manual advertising and its publicity effect usually depends on the consciousness of the propagandist himself, or manual Supervise and refrain from covering the content of the publicity or invalid publicity. This is likely to result in a lower return rate for mobile advertising, and it is impossible to count the actual work performed. It is easy to have some coping solutions to avoid advertising. It is difficult for merchants or enterprises to achieve the expected advertising effect, which reduces the merchant or enterprise. Ad serving expectations.

Summary of the invention

The invention provides a screen control method of a display screen, a terminal and a computer-readable storage medium.

The screen control method of the display screen according to an embodiment of the present invention includes:

When the display screen is in the bright screen state, obtain the first environmental parameter of the display screen, wherein the first environmental parameter includes the light intensity of the environment where the display screen is located;

Determine whether the display screen is blocked according to the light intensity;

If yes, a prompt message that the display screen is blocked is issued.

In the above screen control method of the display screen, when the display screen is in the bright screen state, it is possible to determine whether the display screen is blocked according to the first environment parameters of the terminal, which can effectively avoid or reduce the content on the display screen from being blocked, thereby achieving effective The purpose of the promotion is to increase the expectations of merchants or enterprises to place advertisements on the display screen.

A terminal according to an embodiment of the present invention includes a first acquisition unit, a prompt unit, a control unit, and a display screen. The control unit is electrically connected to the first acquisition unit and the prompt unit. The first acquisition unit is used to Acquiring the first environment parameter of the display screen when the display screen is in a bright screen state, wherein the first environment parameter includes the light intensity of the environment in which the display screen is located, and the control unit is configured to The light intensity of the environment determines whether the display screen is blocked, and is used to control the prompt unit to issue a prompt message that the display screen is blocked when the display screen is blocked.

In the above terminal, when the display screen is in a bright screen state, it can determine whether the display screen is blocked according to the first environment parameter of the terminal, which can effectively avoid or reduce the content on the display screen being blocked, so as to achieve the purpose of effective publicity and improve The expectations of merchants or enterprises to put ads on the display screen.

A computer program is stored on the computer-readable storage medium in the embodiment of the present invention, and when the computer program is executed by the processor, the screen control method of the display screen as described in the above embodiment is implemented.

In the above computer-readable storage medium, when the display screen is in the bright state, it can determine whether the display screen is blocked according to the first environment parameters of the terminal, which can effectively avoid or reduce the content on the display screen being blocked, thereby achieving effective publicity The purpose of this is to increase the expectations of merchants or enterprises to place advertisements on the display screen.

Additional aspects and advantages of the embodiments of the present invention will be partially given in the following description, and some will become apparent from the following description, or be learned through the practice of the present invention.

BRIEF DESCRIPTION

The above and/or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

1 is a schematic flowchart of a screen control method of a display screen according to an embodiment of the present invention;

2 is another schematic flowchart of a screen control method of a display screen control method according to an embodiment of the present invention;

3 is a schematic block diagram of a terminal according to an embodiment of the present invention;

4 is a schematic diagram of an obstacle and a display screen according to an embodiment of the present invention;

5 is a schematic diagram of an obstacle area and a display screen area according to an embodiment of the present invention.

Symbol description of main components:

Terminal 100;

Display screen 101, first acquisition unit 10, timing device 11, prompt unit 20, control unit 30, detection unit 40, image acquisition unit 50, second acquisition unit 60;

Obstacle 200.

detailed description

The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the drawings, in which the same or similar reference numerals indicate the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present invention, and cannot be construed as limiting the present invention.

Referring to FIG. 1, the screen control method of the display screen according to the embodiment of the present invention can be applied to the terminal 100 according to the embodiment of the present invention. The terminal 100 is, for example, an intelligent terminal such as an advertising machine, a mobile Internet device, or a smart wearable device (such as a wearable flexible clothing advertising device).

The screen control method of a display screen according to an embodiment of the present invention includes the following steps:

Step S1, when the display screen 101 is in a bright screen state, obtain first environment parameters of the display screen 101, wherein the first environment parameters include the light intensity of the environment where the display screen 101 is located;

Step S2: Determine whether the display screen 101 is blocked according to the light intensity;

Step S3. If yes, send a first prompt message that the display screen 101 is blocked.

It should be noted that, when the display screen 101 is in a bright screen state, the terminal 100 is in a working state. For example, in some examples, the display screen 101 is used to place advertisements. When the display screen 101 is in a bright screen state, the display screen 101 is in a publicity advertisement state. At this time, if there is an obstacle 200 (as shown in FIG. 4) in the environment where the display screen 101 is located, the obstacle 200 may be closer to the display screen 101 to block the display screen 101, so that the advertisement cannot be effectively promoted. Among them, the obstacle 200 is, for example, a person or a cloth. Taking the obstacle 200 as a person, for example, when the display screen 101 is an advertising screen worn in front of the worker, if someone is in front of the worker and the distance is less than the specified distance (can be set according to specific circumstances), the corresponding person can be Think of it as an obstacle 200 on the advertising screen. Specifically, this can determine the distance between the person and the worker through ultrasound. At this time, the first environmental parameters of the display screen 101 can be collected, and the collected first environmental parameters can be accessed to the terminal 100, and the situation in which the display screen 101 is blocked can be avoided or reduced by analyzing the first environmental parameters.

The first environmental parameter in this embodiment includes light intensity. Among them, the light intensity can be measured by the light sensor. In some examples, let the light intensity be C, and the model establishes the following relationship:

C=KaCa+Kd(CL*Md)cosθ+Ks(CL*Ms)(V·R)ns

Among them, Ka represents the reflection coefficient of the material to ambient light; Ca represents the color of the ambient light; Kd represents the reflection coefficient of the material to diffuse reflection light; CL represents the color of the point light; Md represents the color of the material; θ represents the angle between the object normal and the light direction ; Ks represents the specular reflection coefficient; Ms represents the material highlight color; V represents the direction vector from the vertex to the viewpoint; R represents the reverse of the reflected light; ns represents the highlight index.

Specifically, in step S2, the light intensity is compared with the light intensity threshold, and it is determined whether the display screen 101 is blocked according to the comparison result; if the light intensity is less than or equal to the light intensity threshold, it is determined that the display screen 101 is blocked; if If the light intensity is greater than the light intensity threshold, it is determined whether the display screen 101 is blocked according to the obstacle area and obstacle distance.

It should be noted that the light intensity threshold can be set according to specific conditions. For example, the light intensity threshold can be set to 0, when the light intensity is 0, the display screen 101 is blocked; when the light intensity is greater than 0, the display screen 101 is not blocked.

3, in this embodiment, the terminal 100 includes a first acquisition unit 10, a prompt unit 20, a control unit 30, and a display screen 101. The control unit 30 is electrically connected to the first acquisition unit 10 and the prompt unit 20. The first acquiring unit 10 is used to acquire the first environment parameter of the display screen 101. The first environmental parameter includes the light intensity of the environment where the display screen 101 is located. The control unit 30 is used to determine whether the display screen 101 is blocked according to the light intensity when the display screen 101 is in the bright screen state, and to control the prompt unit 20 to send out the first prompt message that the display screen 101 is blocked when the display screen 101 is blocked.

Among them, the first acquisition unit 10 includes a light sensor 61. The light sensor 61 is used to detect the light intensity of the environment where the display screen 101 is located. The first prompt information sent by the prompt unit 20 may be voice prompt information or image prompt information. For example, in some examples, when the display screen 101 is blocked, the buzzer vibrates for prompting.

In some examples, the display screen 101 is a flexible advertising screen worn on workers, that is, the display screen 101 can be bent. When the light intensity is 0, the control unit 30 is used to control the prompt unit 20 to send out a first prompt message to remind the worker to leave the meaningless promotion environment or remove the obstacle 200.

Referring to FIG. 2, in some embodiments, after the first prompt message that the display screen 101 is blocked is issued, the screen control method of the display screen includes:

Step S4: Record the blocking duration of the display screen 101, and determine whether the blocking duration is greater than the blocking duration threshold;

If so, turn off the display 101. In this way, when the display screen 101 is blocked for too long, the display screen 101 can be turned off to reduce energy consumption.

Referring to FIG. 3, in this embodiment, the terminal 100 includes a timing device 11. The timing device 11 is used for timing. The control unit 30 is used to control the timing device 11 to record the blocked duration of the display screen 101 after the first prompt message of the blocked display screen 101 is issued by the prompt unit 20, and used to determine whether the blocked duration is greater than the blocked duration threshold and used for blocking When the duration is greater than the blocking duration threshold, the display screen 101 is turned off.

Further, the screen control method of the display screen includes:

In step S5, when the display screen 101 is in the bright screen state, the duration of the bright screen of the display screen 101 is counted.

In this way, the bright screen duration during which the display screen 101 works can be recorded, and the actual effective working duration of the display screen 101 can be determined according to the bright screen duration and the occlusion duration. For example, when using the display screen 101 to advertise, this can determine the actual effective working time of the display screen 101 according to the duration of the bright screen and the duration of occlusion, which is beneficial for evaluating the actual effect of advertising.

In this embodiment, the control unit 30 is used to control the timing device 11 to record the length of time the screen 101 is bright when the display screen 101 is in the bright state.

Please refer to Figure 2. If the light intensity is greater than the light intensity threshold, the display screen control method includes:

Step S6: Obtain a second environmental parameter of the display screen, where the second environmental parameter includes the area of the obstacle in front of the display screen 101 and the distance of the obstacle in front of the display screen 101;

Step S7: Determine whether the distance of the obstacle is less than the first distance threshold;

Step S8. If yes, determine whether the display screen 101 is blocked according to the obstacle area and obstacle distance;

Step S9. If yes, send a second prompt message that the display screen 101 is blocked.

The second environmental parameter in this embodiment includes the obstacle area and the obstacle distance. Among them, the obstacle area can be measured by the camera. The area of the obstacle can be obtained from the image information of the obstacle 200 within the visual angle range of the camera. The obstacle area size of the obstacle 200 is related to the size of the obstacle 200 and the position where the obstacle is located, as well as the installation position and viewing angle of the camera. How to measure the obstacle area of the obstacle 200 can be set accordingly according to the specific situation. Preferably, the camera can be arranged at the front end of the display screen 101 to obtain image information of obstacles.

It should be noted that the first distance threshold can be set according to specific conditions. In this embodiment, when the distance of an object (such as a person or a cloth) is less than the first distance threshold, the object may be regarded as an obstacle of the display screen 101. The first distance threshold can be measured by ultrasound. When the distance of the obstacle is greater than or equal to the first distance threshold, it can be considered that the object does not constitute an obstacle of the display screen 101, that is, it does not block the display screen 101.

In addition, there may be multiple obstacles 200 in front of the display screen 101. At this time, the camera may only acquire the image information of the obstacle 200 closest to the display screen 101, or may simultaneously acquire the image information of multiple obstacles 200, which can be set accordingly according to specific circumstances. It can be understood that the obstacle area of the display screen 101 may be converted from the image information of the closest obstacle 200 at this time, or may be obtained from the image information of multiple obstacles 200.

The obstacle distance is the distance between the obstacle 200 and the display screen 101. The obstacle distance meets the following formula:

D=c*t/2

Among them, D represents the distance of obstacles, c is the speed of sound in the air (0.34m/s), and t is the ultrasonic pulse transmission time.

It should be noted that when there are multiple obstacles 200 in front of the display screen 101, the obstacle distance is the distance between the obstacle 200 closest to the display screen 101 and the display screen 101. It can be understood that the foregoing second prompt information may be voice prompt information or image prompt information. For example, in some examples, when the display screen 101 is blocked, the buzzer vibrates for prompting (eg, vibrates three times).

In this embodiment, the terminal 100 includes the second acquisition unit 10. The second obtaining unit 20 is used to obtain the second environment parameter of the display screen 101 when the light intensity is greater than the light intensity threshold. The control unit 30 is used to determine whether the obstacle distance is less than the first distance threshold, and used to determine whether the display screen 101 is blocked according to the obstacle area and the obstacle distance when the obstacle distance is less than the first distance threshold, and used to When being blocked, the control prompting unit 20 sends out a second prompt message that the display screen 101 is blocked.

In this way, when the light intensity is greater than the light intensity threshold and the obstacle distance is less than the first distance threshold, it can be determined whether the display screen 101 is blocked according to the second environment parameter of the terminal 100, which can effectively avoid or reduce the content on the display screen 101 Blocking, so as to achieve the purpose of effective publicity, raising the expectations of merchants or enterprises to place advertisements through the display screen 101.

In this embodiment, the second acquisition unit 10 includes a camera and an ultrasonic sensor. The camera is used to obtain image information in front of the obstacle 200 to obtain the area of the obstacle in front of the obstacle 200. The ultrasonic sensor is used to acquire the ultrasonic pulse signal between the display screen 101 and the obstacle 200 to obtain the obstacle distance in front of the obstacle 200. The prompt unit 20 is a buzzer.

In some embodiments, step S8 includes: comparing the ratio of the area of the obstacle to the area of the display screen of the display screen 101 with the area ratio threshold, comparing the distance of the obstacle with the second distance threshold, and determining the display screen according to the comparison result 101 is blocked. The area of the display screen is the area of the display surface of the display screen 101.

For example, as shown in FIG. 5, S1 represents the area of the obstacle and S2 represents the area of the display screen of the display screen 101, then S1/S2 is the ratio of the area of the obstacle and the display screen area of the display screen 101. Compare the ratio of S1/S2 with the specified value (can be set according to the specific situation). If the ratio of S1/S2 is greater than the specified value, it can be determined to be blocked. If the ratio of S1/S2 is less than the specified value, it can be determined as Not blocked.

Specifically, in step S8, if the ratio of the area of the obstacle to the area of the display screen of the display screen 101 is greater than or equal to the area ratio threshold and the distance of the obstacle is less than or equal to the second distance threshold, it is determined that the display screen 101 is blocked. The second distance threshold is smaller than the first distance threshold. That is, when the ratio of the area of the obstacle to the area of the display screen of the display screen 101 reaches the area ratio threshold, and the distance of the obstacle is within the second distance threshold, it can be considered that the obstacle 200 has blocked the display screen 101. It should be noted that the area ratio threshold can be set according to specific conditions. The second distance threshold can also be set according to specific conditions.

It can be understood that when the ratio of the area of the obstacle to the area of the display screen of the display screen 101 is less than the area ratio threshold, there are two cases where the distance of the obstacle is less than or equal to the second distance threshold and the distance of the obstacle is greater than the second distance threshold. The distance of the obstacle is less than or equal to the second distance threshold, indicating that the distance between the obstacle 200 and the display screen 101 is relatively short. The distance of the obstacle reaches the second distance threshold, indicating that the distance between the obstacle 200 and the display screen 101 is far. When the ratio of the area of the obstacle to the area of the display screen of the display screen 101 is less than the threshold of the area ratio, regardless of the distance between the obstacle 200 and the display screen 101, the obstruction of the display screen 101 by the obstacle 200 can be considered negligible.

When the distance of the obstacle reaches the second distance threshold, there are also two cases where the ratio of the obstacle area to the display area of the display screen 101 is greater than or equal to the area ratio threshold and the ratio of the obstacle area to the display area of the display screen 101 is less than the area ratio threshold Kind of situation. When the distance of the obstacle reaches the second distance threshold, the distance between the obstacle 200 and the display screen 101 in the manual is relatively long. At this time, regardless of the ratio of the area of the obstacle to the screen area of the display screen 101, the obstacle 200 can be regarded as The screen 101 is not blocked. The second distance threshold can be set according to specific conditions.

For example, in some examples, the area ratio threshold is 0.3, and the second distance threshold is 15 cm. Then, when the ratio of the area of the obstacle to the area of the display screen of the display screen 101 is greater than or equal to 0.3 and the second distance threshold is less than or equal to 15 cm, it is determined that the display screen 101 is blocked. When the ratio of the area of the obstacle to the area of the display screen of the display screen 101 is less than 0.3, or the second distance threshold is greater than 15 cm, it is determined that the display screen 101 is not blocked.

In this embodiment, the control unit 30 is used to compare the ratio of the area of the obstacle to the area of the display screen of the display screen 101 with the area ratio threshold, and compare the distance of the obstacle with the second distance threshold, and is used to determine according to the comparison result. Whether the display screen 101 is blocked.

Specifically, the control unit 30 is used to determine that the display screen 101 is blocked when the ratio of the obstacle area to the display screen area of the display screen 101 is greater than or equal to the area ratio threshold and the obstacle distance is less than or equal to the second distance threshold, and used to When the ratio of the object area to the display screen area of the display screen 101 is less than the area ratio threshold, it is determined that the display screen 101 is not blocked, and it is used to determine that the display screen 101 is not blocked when the obstacle distance is greater than the second distance threshold.

2, in some embodiments, if the ratio of the area of the obstacle to the area of the display screen of the display screen 101 is less than the area ratio threshold, or the distance of the obstacle is greater than the second distance threshold and less than the first distance threshold, the display screen control method include:

Step S10: Determine whether the display screen 101 is in a moving state;

Step S11. If yes, determine whether the obstacle distance is greater than the second distance threshold and less than the third distance threshold, and the third distance threshold is greater than the second distance threshold and less than the first distance threshold;

Step S12: When the distance of the obstacle is greater than the second distance threshold and less than the third distance threshold, image information of the obstacle 200 is collected, and it is determined whether the display screen 101 is blocked according to the image information of the obstacle 200. In this way, after determining that the display screen 101 is not blocked according to the proportional relationship between the area of the obstacle and the display screen area of the display screen 101 and the distance relationship between the obstacle 200 and the display screen 101, if the display screen 101 is in a moving state, the obstacle When the distance between the object 200 and the display screen 101 is between the second distance threshold and the third distance threshold, the image information of the obstacle 200 may be collected to determine whether the display screen 101 is interfered by humans according to the image information of the obstacle 200.

It can be understood that, in step S10, if it is determined that the display screen 101 is in a stationary state, the procedure may be ended. When the obstacle distance is greater than or equal to the third distance threshold, it may be determined that the display screen 101 is not blocked. Because the distance between the obstacle 200 and the display screen 101 is large at this time, it does not constitute a shield.

It can be understood that, in step S12, if it is determined that the display screen 101 is blocked, a third prompt message that the display screen 101 is blocked may be issued. The third prompt information may be voice prompt information or image prompt information.

It should be noted that when the display screen 101 is in a working state, the display screen 101 may be in a mobile state as a mobile advertisement. At this time, if the distance between the obstacle 200 and the display screen 101 is kept greater than the second distance threshold and less than the third distance threshold when the display screen 101 is moving, the obstacle 200 may also be considered to block the display screen 101. This is because, at this time, although the distance between the obstacle 200 and the display screen 101 is greater than the second distance threshold, it is actually kept in front of the moving display screen 101, which actually prevents the user from receiving the information on the display screen 101.

For example, in some examples, the worker puts the display screen 101 as a mobile advertising terminal in a mobile state to promote mobile advertising. If the worker does not pay attention to his current position, which leads him to be in front of the display screen 101 and the distance from the display screen 101 is greater than the second distance threshold and less than the third distance threshold, the worker will prevent the user from watching the advertisement at this time. Advertising effect. Therefore, the worker at this time has actually constituted the obstacle 200 of the display screen 101, and caused the screen 101 to be blocked.

To solve the above problem, the display screen control method of this embodiment can collect image information of a worker to determine whether the worker constitutes an obstacle 200 according to the image information of the obstacle 200, to determine whether the worker causes obstruction to the display screen 101 .

In step S12, the image information of the obstacle 200 acquired at the current moment is compared with the image information of the obstacle 200 at the last moment every first preset duration, and it is determined whether the display screen 101 is blocked according to the comparison result.

Specifically, in step S12, it is determined whether the proportion of the image information of the obstacle 200 at the current time and the image information of the obstacle 200 at the previous time is greater than the proportion of the image information of the obstacle 200 at the previous time If the threshold is exceeded, it is determined that the display screen 101 is blocked. If the portion of the image information of the obstacle 200 at the current time is the same as the image information of the obstacle 200 at the previous time, the proportion of the image information of the obstacle 200 at the previous time is not greater than the threshold of the proportion, it is determined that the display screen 101 is not Is blocked.

It should be noted that "the portion of the image information of the obstacle 200 at the current time that is the same as the image information of the obstacle 200 accessed at the previous time in the image information of the obstacle 200 at the previous time" can be understood as The ratio of the area of the obstacle 200 in front of the screen 101 at the current moment to the area of the obstacle 200 in front of the screen 101 at the previous moment. It can be understood that, in order to improve the accuracy, it can be determined whether the area of the obstacle 200 in front of the display screen 101 at the previous moment is greater than the rated value (which can be set according to specific circumstances), and the obstacle 200 at the last moment is displayed. When the area of the obstacle in front of the screen 101 is greater than the rated value, the part of the image information of the obstacle 200 that determines the current moment is the same as the image information of the obstacle 200 that was accessed at the last moment The image information of the obstacle 200 at the last moment Whether the proportion in is greater than the proportion threshold. Therefore, it can be ruled out that the obstacle area of the obstacle 200 in front of the display screen 101 is actually significantly smaller than the area of the display screen 101.

Among them, the percentage threshold can be set according to specific circumstances. For example, in some examples, the percentage threshold is 0.5. That is, if the portion of the image information of the obstacle 200 at the current time and the image information of the obstacle 200 accessed at the previous time is greater than 0.5 in the image information of the obstacle 200 at the previous time, the obstacle is determined 200 obstructs the display 101.

In addition, by collecting the image information of the worker to determine whether the worker constitutes the obstacle 200, the cheating operation of the worker can also be avoided. As another example, when a worker advertises a mobile advertisement, the worker may deliberately position himself in front of the display screen 101 and the distance from the display screen 101 is greater than the second distance threshold and less than the third distance threshold to fabricate the display screen Before 101, there is always the illusion of users watching. At this time, the display screen 101 determined according to the proportional relationship between the area of the obstacle and the display screen area of the display screen 101 and the distance relationship between the obstacle 200 and the display screen 101 is not blocked, that is, the above-mentioned counterfeiting behavior of the worker cannot be avoided. By collecting the image information of the worker, according to the image information of the obstacle 200, it is possible to determine whether the worker constitutes a block on the display screen 101.

It can be understood that, for the accuracy of the judgment, the image information of the obstacle 200 at the current moment and the image information of the obstacle 200 at the previous moment can be compared every second preset duration within the second preset duration, It is determined that the portion of the image information of the obstacle 200 at the current time within the second preset time period that is the same as the image information of the obstacle 200 at the previous time is greater than the threshold value in the image information of the obstacle 200 at the previous time If the number of times is greater than the number of times threshold, if it is, determine that the display screen 101 is blocked. If the image information of the obstacle 200 at the current moment within the second preset duration is the same as the image information of the obstacle 200 at the previous moment, If the number of times that the proportion of the image information of the obstacle 200 at the previous moment is greater than the proportion threshold is less than or equal to the number threshold, it is determined that the display screen 101 is not blocked. The second preset duration is greater than the first preset duration. Both the first preset duration and the second preset duration can be set according to specific conditions. The threshold of times can be set according to specific conditions.

It should be noted that the third distance threshold can be set according to specific conditions. For example, in some examples, the third distance threshold is 1 m, 1.5 m, or 2 m, and so on. In this embodiment, the image information of the obstacle 200 is collected by openCV: contours, hierarchy=cv2.findContours(binary, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE). Among them, Contours: is the set of pixels of the outline of the obstacle 200. When it is found that the collected pixels have been the same for a period of time, it can be determined that human factors are used to block the movement. At this time, the buzzer or voice can be used to prompt the worker to violate the operation. Record this information for verification after the end of the work.

3, in this embodiment, the terminal 100 includes a detection unit 40 and an image acquisition unit 50. The detection unit 40 is used to detect the position status of the display screen 101, and the image acquisition unit 50 is used to acquire and access image information of the obstacle 200. The control unit 30 is used to determine whether the display screen 101 is in a moving state according to the detection result of the detection unit 40 when the ratio of the area of the obstacle to the area of the display screen 101 is less than the area ratio threshold or the distance of the obstacle is greater than the second distance threshold, and used to When the display screen 101 is in a moving state, it is determined whether the distance of the obstacle is greater than the second distance threshold and less than the third distance threshold, and used to determine according to the image information of the obstacle 200 when the distance of the obstacle is greater than the second distance threshold and less than the third distance threshold Whether the display screen 101 is blocked. The detection unit 40 may be an acceleration sensor. The image acquisition unit 50 may be an image sensor.

In this embodiment, the control unit 30 is used to determine that the display screen 101 is not blocked when the obstacle distance is greater than or equal to the third distance threshold. In this way, when the obstacle is far away from the display screen 101, the obstacle 200 does not block the display screen 101.

In this embodiment, the control unit 30 is used to compare the image information of the obstacle 200 collected by the image collection unit 50 at the current moment with the image information of the obstacle 200 at the previous moment every first preset duration, and used to The comparison result determines whether the display screen 101 is blocked.

Specifically, the control unit 30 is used to determine whether the proportion of the image information of the obstacle 200 at the current time and the image information of the obstacle 200 at the previous time in the image information of the obstacle 200 at the previous time is greater than Ratio threshold, and is used to determine when the proportion of the image information of the obstacle 200 at the current time is the same as the image information of the obstacle 200 at the previous time when the proportion of the image information of the obstacle 200 at the previous time is greater than the proportion threshold The display screen 101 is blocked. Moreover, the portion of the control unit 30 used for the image information of the obstacle 200 at the current time and the image information of the obstacle 200 at the previous time in the image information of the obstacle 200 at the previous time is not greater than the proportion At the threshold, it is determined that the display screen 101 is not blocked.

Further, the control unit 30 is used to compare the image information of the obstacle 200 at the current moment with the image information of the obstacle 200 at the previous moment every second preset duration within the second preset duration, and used to The portion of the image information of the obstacle 200 at the current time within the preset duration that is the same as the image information of the obstacle 200 at the previous time accounts for more than the number of times of the threshold information of the obstacle 200 at the previous time The threshold value is determined when the display screen 101 is blocked and used for the image information of the obstacle 200 at the current time within the second preset duration and the image information of the obstacle 200 accessed at the previous time at the previous time When the number of times that the proportion of the image information of the obstacle 200 is greater than the proportion threshold is less than or equal to the number of times threshold, it is determined that the display screen 101 is not blocked.

First acquisition unit 10 First acquisition unit 10 First acquisition unit 10 A computer-readable storage medium according to an embodiment of the present invention, on which a computer program is stored, and when the computer program is executed by a processor, it is implemented as described in any of the above embodiments Display control method.

In this way, when the display screen 101 is in the bright screen state, it can be determined whether the display screen 101 is blocked according to the first environment parameter of the terminal 100, which can effectively avoid or reduce the content on the display screen 101 being blocked, so as to achieve the purpose of effective publicity , Raising the expectations of merchants or enterprises to place advertisements through the display screen 101.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art may understand that various changes, modifications, replacements, and variations can be made to these embodiments without departing from the principles and objectives of the present invention, The scope of the invention is defined by the claims and their equivalents.

Claims

A screen control method for a display screen, characterized in that it includes:

When the display screen is in the bright screen state, obtain the first environmental parameter of the display screen, wherein the first environmental parameter includes the light intensity of the environment where the display screen is located;

Determine whether the display screen is blocked according to the light intensity;

If yes, a prompt message that the display screen is blocked is issued.
The screen control method of the display screen according to claim 1, wherein determining whether the display screen is blocked according to the light intensity includes:

Compare the light intensity with the light intensity threshold;

If the light intensity is less than or equal to the light intensity threshold, it is determined that the display screen is blocked.
The screen control method of the display screen according to claim 1, wherein after the prompt message that the display screen is blocked is issued, the screen control method comprises:

Record the blocked duration of the display screen to determine whether the blocked duration is greater than the blocked duration threshold;

If yes, turn off the display.
The screen control method of a display screen according to claim 1, wherein if the light intensity is greater than the light intensity threshold, the display screen control method includes:

Acquiring a second environmental parameter of the display screen, where the second environmental parameter includes the area of the obstacle in front of the display screen and the distance of the obstacle in front of the display screen;

Determine whether the obstacle distance is less than the first distance threshold;

If yes, determine whether the display screen is blocked according to the obstacle area and the obstacle distance;

If yes, a prompt message that the display screen is blocked is issued.
The screen control method of the display screen according to claim 3, wherein determining whether the display screen is blocked according to the area of the obstacle and the distance of the obstacle includes:

Compare the ratio of the area of the obstacle to the area of the display screen with an area ratio threshold, and compare the distance of the obstacle with the second distance threshold, if the ratio of the area of the obstacle to the area of the display screen If it is greater than or equal to the area ratio threshold and the obstacle distance is less than or equal to the second distance threshold, it is determined that the display screen is blocked, and the second distance threshold is less than the first distance threshold.
The screen control method of the display screen according to claim 5, wherein if the ratio of the area of the obstacle to the area of the display screen is less than the area ratio threshold, or the distance of the obstacle is greater than the first Two distance thresholds and less than the first distance threshold, the display screen control method includes:

Determine whether the display screen is in a moving state;

If yes, determine whether the obstacle distance is greater than the second distance threshold and less than a third distance threshold, and the third distance threshold is greater than the second distance threshold and less than the first distance threshold;

When the distance of the obstacle is greater than the second distance threshold and less than the third distance threshold, image information of the obstacle is collected, and whether the display screen is blocked is determined according to the image information of the obstacle.
The screen control method of the display screen according to claim 6, wherein determining whether the display screen is blocked according to the image information of the obstacle includes:

Comparing the image information of the obstacle acquired at the current moment with the image information of the obstacle at the previous moment every first preset duration,

Determine whether the proportion of the image information of the obstacle at the current time that is the same as the image information of the obstacle at the previous time in the image information of the obstacle at the previous time is greater than the threshold of the proportion, and if so, It is determined that the display screen is blocked.
The screen control method of the display screen according to claim 7, wherein determining whether the display screen is blocked according to the image information of the obstacle includes:

Within the second preset duration, the image information of the obstacle at the current moment is compared with the image information of the obstacle at the previous moment every first preset duration to determine within the second preset duration The number of times that the image information of the obstacle at the current moment is the same as the image information of the obstacle at the previous moment in the image information of the obstacle at the previous moment is greater than the threshold of the ratio Whether it is greater than the threshold number of times, and if so, it is determined that the display screen is blocked.
A terminal is characterized by comprising a first acquisition unit, a prompt unit, a control unit and a display screen, the control unit is electrically connected to the first acquisition unit and the prompt unit, the first acquisition unit is used for Acquiring the first environmental parameter of the display screen when the display screen is in a bright screen state, wherein the first environmental parameter includes the light intensity of the environment where the display screen is located, and the control unit is configured to The light intensity of the environment where the display screen is located determines whether the display screen is blocked, and is used to control the prompt unit to issue a prompt message that the display screen is blocked when the display screen is blocked.
The terminal according to claim 9, wherein the control unit is configured to compare the light intensity with a light intensity threshold and determine when the light intensity is less than or equal to the light intensity threshold The display screen is blocked.
The terminal according to claim 9, wherein the terminal includes a timing device, the timing device is used for timing, and the control unit is used for after the prompt unit issues a prompt message that the display screen is blocked Controlling the timing device to record the occlusion duration of the display screen, and used to determine whether the occlusion duration is greater than the occlusion duration threshold, and used to close the display screen when the occlusion duration is greater than the occlusion duration threshold.
The terminal according to claim 9, wherein the terminal includes a second acquisition unit, the second acquisition unit is configured to acquire the second environmental parameter of the display screen when the light intensity is greater than the light intensity threshold, The second environmental parameter includes an obstacle area in front of the display screen and an obstacle distance in front of the display screen, and the control unit is used to determine whether the obstacle distance is less than a first distance threshold, and used to When the distance is less than the first distance threshold, determine whether the display screen is blocked according to the obstacle area and the obstacle distance, and used to control the prompt unit to issue that the display screen is blocked when the display screen is blocked Prompt information.
The terminal according to claim 12, wherein the control unit is configured to compare the ratio of the area of the obstacle and the area of the display screen to an area ratio threshold, and compare the distance between the obstacle and the second The distance threshold is compared and used to determine the display screen when the ratio of the area of the obstacle to the area of the display screen is greater than or equal to the area ratio threshold and the distance of the obstacle is less than or equal to the second distance threshold Blocked, the second distance threshold is less than the first distance threshold.
The terminal according to claim 13, wherein the terminal includes a first detection unit and an image acquisition unit, the first detection unit is used to detect the position status of the display screen, and the image acquisition unit is used to Collect and access the image information of the obstacle,

The control unit is configured to: when the ratio of the area of the obstacle to the area of the display screen is less than the area ratio threshold or the distance of the obstacle is greater than the second distance threshold and less than the first distance threshold The detection result of the first detection unit determines whether the display screen is in a moving state, and is used to determine whether the obstacle distance is greater than the second distance threshold and less than a third distance threshold when the display screen is in a moving state And is used to determine whether the display screen is blocked according to the image information of the obstacle when the distance of the obstacle is greater than the second distance threshold and less than the third distance threshold, and the third distance threshold is greater than The second distance threshold is smaller than the first distance threshold.
The terminal according to claim 14, wherein the control unit is configured to compare the image information of the obstacle collected by the image collection unit at the current time with the previous time at every first preset duration The image information of the obstacle is compared and used to determine that the image information of the obstacle at the current moment is the same as the image information of the obstacle at the last moment. Whether the proportion in the image information is greater than the proportion threshold, and is used for the part where the image information of the obstacle at the current time is the same as the image information of the obstacle at the previous time at the previous time When the proportion in the image information of the obstacle is greater than the proportion threshold, it is determined that the display screen is blocked.
The terminal according to claim 15, wherein the control unit is configured to compare the image information of the obstacle at the current moment with the upper limit every second preset duration within the first preset duration The image information of the obstacle at a moment is compared and used to determine that the image information of the obstacle at the current moment and the image information of the obstacle at the last moment within the second preset duration are in Whether the number of times the image information of the obstacle at the previous moment is greater than the ratio threshold is greater than the number of times threshold, and is used for the image information of the obstacle at the current moment within the second preset duration and It is determined that the display screen is blocked when the number of times that the image information of the obstacle at the last moment is the same in the image information of the obstacle at the last moment is greater than the threshold of the proportion greater than the threshold of the number of times.
A computer-readable storage medium on which a computer program is stored, characterized in that, when the computer program is executed by a processor, a screen control method of a display screen according to any one of claims 1-8 is realized.