WO2018095125A1

WO2018095125A1 - Terminal and method for realizing reading posture detection

Info

Publication number: WO2018095125A1
Application number: PCT/CN2017/102737
Authority: WO
Inventors: 周洪梅; 李凯
Original assignee: 西安中兴新软件有限责任公司
Priority date: 2016-11-23
Filing date: 2017-09-21
Publication date: 2018-05-31
Also published as: CN108089729A

Abstract

Disclosed are a terminal and a method for realizing reading posture detection. The terminal is internally provided with a three-axis acceleration sensor, and a Z axis of the three-axis acceleration sensor is perpendicular to a screen of the terminal. The method comprises: obtaining a positive gravitational acceleration value, collected by the three-axis acceleration sensor, of the Z axis (S101); and according to a pre-set correlation between the gravitational acceleration value and a reading posture, determining a reading posture corresponding to the obtained gravitational acceleration value (S102). According to the method, by using the value of the gravitational acceleration which is collected by a three-axis acceleration sensor and is perpendicular to the direction of the screen of the terminal, a reading posture of a user can be determined, thereby solving the problem in the prior art that a terminal cannot detect the reading posture of the user.

Description

Terminal and method for realizing reading posture detection

Technical field

The present invention relates to the field of mobile communications, and in particular, to a terminal and a method for implementing the read gesture detection.

Background technique

In recent years, smart terminals (such as mobile phones, pads, etc.) are rapidly spreading, and human-computer interaction interfaces are becoming more and more simple and convenient: touch, voice, gestures, etc., children can use mobile phones to read books and browse videos very conveniently. Children's eyes are still in the growth and development period, not suitable for long-term use of smart terminals, and the correct posture is also required in the process of using the terminal.

At present, the concept of eye protection is mainly to remind the reading distance. Based on the principle of infrared or ultrasonic transmission, the distance of the human body is calculated by the signal intensity received by the detector after the source reflects the human body reflection, and the reading distance is reminded and alarmed.

However, based on the principle of infrared or ultrasonic transmission, it is mainly to remind and alarm the reading distance, and it is impossible to judge the reading posture.

Summary of the invention

The embodiment of the invention provides a terminal and a method for implementing the reading posture detection, which are used to solve the problem that the terminal of the prior art cannot detect the reading posture of the user.

According to an aspect of the embodiments of the present invention, a method for implementing a reading posture detection is provided. The terminal is provided with a three-axis acceleration sensor, and the Z-axis of the three-axis acceleration sensor is perpendicular to the terminal screen. The method includes:

Obtaining a positive acceleration value of the Z-axis acquired by the three-axis acceleration sensor;

And determining a reading posture corresponding to the acquired gravity acceleration value according to a preset correspondence between the gravity acceleration value and the reading posture.

Optionally, the acquiring the gravitational acceleration value of the Z-axis forward acquired by the three-axis acceleration sensor comprises:

Obtaining a gravitational acceleration value of the Z-axis forward collected by the three-axis acceleration sensor within a set time interval, and obtaining an average value of the gravitational acceleration of the Z-axis in the time interval;

The determining the read posture corresponding to the acquired gravity acceleration value comprises: determining a reading posture corresponding to the average value of the obtained gravity accelerations.

Optionally, the method of the embodiment of the present invention further includes: when the determined reading posture is a specified wrong posture, outputting an alarm prompt.

Optionally, the alarm prompt includes: an information prompt and/or an audio prompt.

Optionally, the Z-axis forward direction of the three-axis acceleration sensor refers to a direction facing the user side.

According to an aspect of an embodiment of the present invention, a terminal includes: a triaxial acceleration sensor and an application processor; wherein a Z axis of the triaxial acceleration sensor is perpendicular to a terminal screen;

The three-axis acceleration sensor is configured to collect a gravity acceleration value of a positive Z-axis;

The application processor is configured to acquire a positive acceleration value of the Z-axis acquired by the three-axis acceleration sensor, and determine the acquired gravity acceleration value according to a preset relationship between the preset gravity acceleration value and the reading posture. Corresponding reading posture.

Optionally, the application processor is configured to acquire a gravitational acceleration value of the Z-axis forward acquired by the three-axis acceleration sensor within a set time interval, and obtain a gravitational acceleration of the Z-axis in the time interval. The average value is determined according to the correspondence between the preset gravity acceleration value and the reading posture, and the reading posture corresponding to the average value of the obtained gravity acceleration is determined.

Optionally, the application processor is further configured to output an alarm prompt when the determined reading posture is a specified wrong posture.

The beneficial effects of the embodiments of the present invention are as follows:

The embodiment of the present invention can determine the reading posture of the user by using the gravity acceleration value collected by the three-axis acceleration sensor perpendicular to the direction of the screen of the terminal, which solves the problem that the terminal cannot detect the reading posture of the user in the prior art.

The embodiment of the invention can also issue an alarm prompt when the detected reading posture is an wrong posture, which plays a good supervision role and improves the user experience.

The above description is only an overview of the technical solutions of the embodiments of the present invention, and the technical means of the embodiments of the present invention can be more clearly understood, and can be implemented according to the contents of the specification, and the above and other objects, features and features of the embodiments of the present invention are Advantages will be more apparent and obvious, and specific embodiments of the invention are set forth below.

DRAWINGS

Various other advantages and benefits will become apparent to those skilled in the art from a The drawings are only for the purpose of illustrating the preferred embodiments and are not to be construed as limiting. Throughout the drawings, the same reference numerals are used to refer to the same parts. In the drawing:

1 is a flowchart of a method for implementing read gesture detection by a terminal according to a first embodiment of the present invention;

2 is a schematic diagram of selecting a coordinate axis of a three-axis acceleration sensor according to a first embodiment of the present invention;

3 is a schematic exploded view of gravity acceleration when a user is lying on a terminal in the first embodiment of the present invention;

4 is a flowchart of a method for implementing read gesture detection by a terminal in an application example provided by the present invention;

FIG. 5 is a structural block diagram of a terminal according to a second embodiment of the present invention; FIG.

FIG. 6 is a block diagram of still another structure of a terminal according to a second embodiment of the present invention.

detailed description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While the embodiments of the present invention have been shown in the drawings, the embodiments Rather, these embodiments are provided so that this disclosure will be more fully understood and the scope of the disclosure will be fully disclosed.

Embodiments of the present invention provide a terminal and a method for implementing the reading posture detection thereof, which use a three-axis acceleration sensor to detect a value of a specific direction of gravity acceleration value, perform a user reading posture detection, and detect a reading posture that is a wrong posture. (such as lying on the phone, etc.), you can send a reminder to correct the user's bad reading habits, to achieve the purpose of eye protection, especially for children, can play a good supervisory role, improve the user experience. The implementation process of the present invention will be described in detail below through several embodiments.

In a first embodiment of the present invention, a method for detecting a reading posture is provided in a terminal. In the embodiment, a three-axis acceleration sensor is disposed in the terminal, and a Z-axis of the three-axis acceleration sensor is perpendicular to a terminal screen, and an X-axis. The plane formed with the Y axis is parallel to the terminal screen. As shown in FIG. 1, the method in this embodiment includes:

Step S101, acquiring a gravity acceleration value of the Z-axis forward acquired by the three-axis acceleration sensor;

In one embodiment of the invention, the Z-axis forward direction of the triaxial acceleration sensor refers to the direction facing the user side, see FIG. Of course, setting the direction facing away from the user side to the Z-axis forward does not affect the implementation of the present invention.

Step S102: Determine, according to a correspondence between the preset gravity acceleration value and the reading posture, a reading posture corresponding to the acquired gravity acceleration value.

In the embodiment of the present invention, the Z-axis positive gravitational acceleration values collected by the triaxial acceleration sensor are different in different states of use, for example:

Assume that the three coordinate axes of the three-axis acceleration sensor are as shown in Fig. 2, that is, the X axis and the Y axis are parallel to the plane where the terminal is located, the X axis is the width direction of the terminal, the Y axis is the length direction of the terminal, and the Z axis is perpendicular to the terminal. The screen of the terminal, the Z-axis trend is the direction facing the user. The terminal is subjected to gravitational force and produces a vertical downward gravitational acceleration g, g = 9.8 m / S ² . When the front side of the terminal is laid flat, the gravitational acceleration values of the X-axis, the Y-axis, and the Z-axis are 0, 0, and -9.8, respectively. When the terminal is flipped face down, the gravitational acceleration values of the X-axis, Y-axis, and Z-axis are 0, 0, and 9.8, respectively.

The normal reading posture, overlooking the terminal screen, the front side of the screen, the Z-axis acceleration value is less than zero. When using the terminal while lying down, look up the terminal screen, the front side of the screen is down, and the Z-axis acceleration value is greater than zero. When the terminal is used, the terminal and the horizontal plane form a relatively small angle, generally less than 90°. As shown in Fig. 3, the value of Az can be detected by a three-axis acceleration sensor integrated on the terminal, that is, Az=g* Cos θ, θ represents the angle between the terminal plane and the horizontal plane. As the angle θ decreases, the Az component gradually increases, and the angle between the terminal plane and the horizontal plane can be calculated by the Az component. In order to avoid the detection state continuously switching between the two modes under critical conditions, the detection angle can be about 80°, Az=g*cos80°=0.17g, and the detection threshold is 0.17g. When |Az|≥0.17g and Az is positive, it can be judged that the terminal is used lying down. It can be seen that the reading posture has a corresponding relationship with the positive gravitational acceleration value of the Z-axis. Therefore, in the embodiment of the present invention, the correspondence between the gravitational acceleration value and the reading posture can be determined in advance for subsequent reading posture judgment.

In an alternative embodiment of the invention, a fault tolerance mechanism is provided to improve the detection accuracy of the reading gesture. In this embodiment, the terminal acquires the gravitational acceleration value of the Z-axis forward collected by the three-axis acceleration sensor within the set time interval, and obtains an average value of the gravitational acceleration of the Z-axis in the time interval; The corresponding relationship between the gravity acceleration value and the reading posture is determined, and the reading posture corresponding to the average value of the obtained gravity acceleration is determined. Among them, the set time interval is usually less than the second level. In this embodiment, by averaging, the erroneous judgment caused by the user's erroneous operation is avoided.

In an alternative embodiment of the invention, an alert prompt is output when the determined reading gesture is a designated wrong gesture. The types of alarm prompts include: information prompts and/or voice prompts.

In summary, in the embodiment of the present invention, the gravity acceleration value of the direction perpendicular to the screen of the terminal collected by the three-axis acceleration sensor can be used to determine the reading posture of the user, which is a good solution to the reading posture of the terminal in the prior art. The problem of testing. Moreover, the embodiment of the invention can also issue an alarm prompt when the detected reading posture is an wrong posture, which plays a good supervising role and improves the user experience.

An application example of the method of the present invention is given below for a more detailed description of the implementation process of the present invention.

The application example provides a method for the terminal to implement the reading posture detection. The terminal is a mobile phone, as shown in FIG. 4, and includes:

S401: Before the user hands over the mobile phone to the child, the user selects a mode selection interface of the mobile phone, and sets the current mode to the child mode;

S402, after the mobile phone is set to the child mode, the detection function of the reading posture is activated.

S403: The mobile phone periodically samples the Z-axis forward gravity acceleration value output by the three-axis acceleration sensor, and samples the average value.

S404, the mobile phone matches the reading posture corresponding to the average value of the gravity acceleration value in the correspondence between the preset gravity acceleration value and the reading posture;

S405: The mobile phone determines whether the matched reading posture is a designated wrong posture, and if yes, reminds the child.

In summary, the embodiment of the present invention integrates a three-axis acceleration sensor on a mobile phone, and the three-axis acceleration sensor outputs the gravitational acceleration data information of the Z-axis forward, and the gravitational acceleration data information of the Z-axis is used to determine whether the posture of the child is read. correct. For example, when a child is lying down and looking at the phone At the time, the mobile phone judges that the reading posture is wrong and reminds the child.

In a second embodiment of the present invention, a terminal is provided, as shown in FIG. 5, including: a triaxial acceleration sensor 510 and an application processor 520; wherein a Z axis of the triaxial acceleration sensor 510 is perpendicular to a terminal screen; The triaxial acceleration sensor 510 can be coupled to the application processor 520 via an I2C interface. In this embodiment:

a triaxial acceleration sensor 510, configured to acquire a gravitational acceleration value of a positive Z axis;

The application processor 520 is configured to acquire a gravity acceleration value of the Z-axis forward acquired by the three-axis acceleration sensor 510, and determine, according to a preset relationship between the preset gravity acceleration value and the reading posture, the acquired gravity acceleration value. Reading posture.

In the embodiment of the present invention, the Z-axis forward direction of the three-axis acceleration sensor may be, but not limited to, a direction facing the user side. See Figure 2.

In an alternative embodiment of the invention, a fault tolerance mechanism is provided to improve the detection accuracy of the reading gesture. In this embodiment, the application processor 520 acquires the gravitational acceleration value of the Z-axis forward collected by the three-axis acceleration sensor within the set time interval, and obtains the average value of the gravitational acceleration of the Z-axis in the time interval. And determining, according to a preset correspondence between the gravity acceleration value and the reading posture, a reading posture corresponding to the average value of the obtained gravity acceleration. Among them, the set time interval is usually less than the second level. In this embodiment, by averaging, the erroneous judgment caused by the user's erroneous operation is avoided.

In an optional embodiment of the present invention, the application processor 520 is further configured to output an alarm prompt when the determined reading posture is a specified wrong posture.

Among them, the alarm prompt includes: information prompt and/or voice prompt. The voice prompt may be a voice prompt or a specific voice prompt.

Wherein, when the alarm prompt includes the information prompt, the application processor 520 generates a notification message, And displaying through the terminal screen; when the alarm prompt includes an audible prompt, the application processor 520 controls the speaker SPEAKER to perform sound playback. The application processor 520 connects to the terminal screen through the MIPI interface, and drives the speaker SPEAKER through the analog interface to perform sound playback. The structure is as shown in FIG. 6 .

Embodiments of the present invention also provide a storage medium including a stored program, wherein the program described above executes the method of any of the above.

Optionally, in the embodiment, the foregoing storage medium may be configured to store program code for performing the following steps:

S11. Acquire a gravity acceleration value of a Z-axis forward acquired by the three-axis acceleration sensor;

S12. Determine, according to a preset correspondence between the gravity acceleration value and the reading posture, a reading posture corresponding to the acquired gravity acceleration value.

Optionally, in the embodiment, the foregoing storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), and a Random Access Memory (RAM). A variety of media that can store program code, such as a hard disk, a disk, or an optical disk.

Embodiments of the present invention also provide a processor for running a program, wherein the program is executed to perform the steps of any of the above methods.

Optionally, in this embodiment, the foregoing program is used to perform the following steps:

S21. Acquire a gravity acceleration value of a Z-axis forward acquired by the three-axis acceleration sensor;

S22. Determine the acquisition according to the correspondence between the preset gravity acceleration value and the reading posture. The gravitational acceleration value corresponds to a reading posture.

For example, the examples in this embodiment may refer to the examples described in the foregoing embodiments and the optional embodiments, and details are not described herein again.

It is to be understood that the term "comprises", "comprising", or any other variants thereof, is intended to encompass a non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes those elements. It also includes other elements that are not explicitly listed, or elements that are inherent to such a process, method, article, or device. An element that is defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, item, or device that comprises the element.

The serial numbers of the embodiments of the present invention are merely for the description, and do not represent the advantages and disadvantages of the embodiments.

Through the description of the above embodiments, those skilled in the art can clearly understand that the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better. Implementation. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, The optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the methods described in various embodiments of the present invention.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Industrial applicability

The above embodiment of the present invention is applied to the field of communication and is collected by a three-axis acceleration sensor. The gravity acceleration value perpendicular to the direction of the screen of the terminal can determine the reading posture of the user, which solves the problem that the terminal cannot detect the reading posture of the user in the prior art; and can also detect the reading posture as the wrong posture. When the alarm is issued, it plays a very good supervision role and improves the user experience.

Claims

A method for implementing reading posture detection, wherein a three-axis acceleration sensor is disposed in the terminal, and a Z-axis of the three-axis acceleration sensor is perpendicular to a terminal screen, and the method includes:

Obtaining a positive acceleration value of the Z-axis acquired by the three-axis acceleration sensor;

And determining a reading posture corresponding to the acquired gravity acceleration value according to a preset correspondence between the gravity acceleration value and the reading posture.
The method of claim 1 wherein said obtaining a value of the gravitational acceleration of the Z-axis forward acquired by said three-axis acceleration sensor comprises:

Obtaining a gravitational acceleration value of the Z-axis forward collected by the three-axis acceleration sensor within a set time interval, and obtaining an average value of the gravitational acceleration of the Z-axis in the time interval;

The determining the read posture corresponding to the acquired gravity acceleration value comprises: determining a reading posture corresponding to the average value of the obtained gravity accelerations.
The method of claim 1, wherein the method further comprises: outputting an alert prompt when the determined read gesture is a designated wrong gesture.
The method of claim 3 wherein said alert alert comprises: an information alert and/or an audible alert.
The method according to any one of claims 1 to 4, wherein the Z-axis forward direction of the triaxial acceleration sensor refers to a direction facing the user side.
A terminal includes: a triaxial acceleration sensor and an application processor; wherein a Z axis of the triaxial acceleration sensor is perpendicular to a terminal screen;

The three-axis acceleration sensor is configured to collect a gravity acceleration value of a positive Z-axis;

The application processor is configured to acquire a Z-axis positively collected by the three-axis acceleration sensor The gravity acceleration value of the direction, and according to the correspondence between the preset gravity acceleration value and the reading posture, the reading posture corresponding to the acquired gravity acceleration value is determined.
The terminal according to claim 1, wherein the application processor is configured to acquire a gravity acceleration value of a Z-axis forward direction acquired by the three-axis acceleration sensor within a set time interval, and obtain a Z in the time interval. The average value of the gravitational acceleration in the positive direction of the axis, and the reading posture corresponding to the average value of the obtained gravitational acceleration is determined according to the correspondence between the preset gravitational acceleration value and the reading posture.
The terminal according to claim 1, wherein the application processor is further configured to output an alarm prompt when the determined reading posture is a specified wrong posture.
The terminal of claim 8 wherein said alert alert comprises: an information alert and/or an audible alert.
The terminal according to any one of claims 6 to 9, wherein the Z-axis forward direction of the three-axis acceleration sensor is a direction facing the user side.