TWI836631B - Reminding method of head-mounted device and head-mounted device - Google Patents

Abstract

Disclosed is a reminding method of a head-mounted device, comprising: obtaining and storing an initial head posture value and real-time head posture values; determining whether there is a change for the real-time head posture values obtained within a first preset duration; if so, storing the obtained last real-time head posture value as a basic head posture value; if not, performing a predetermined reminding operation; after the first preset duration, at every second preset duration, determining whether there is a change for the real-time head posture values obtained within the second preset duration; if so, storing the obtained last real-time head posture value as a current basic head posture value, and performing the predetermined reminding operation when the last real-time head pose value obtained is the same as the initial head pose value or the previously stored basic head pose value; if not, performing the predetermined reminding operation.

Description

Reminder method of head-mounted device and head-mounted device

The present application relates to the technical field of head-mounted devices, and in particular, to a reminder method for a head-mounted device and a head-mounted device.

With the development and progress of science and technology, computers, communications and consumer electronics products (such as mobile phones, computers, tablets, etc.) have become one of the indispensable products for people today, especially headsets with entertainment functions. It is easy for users to be deeply immersed and forget about themselves when using this equipment. In the long run, it will cause certain fatigue to the human body (such as cervical spine), and in serious cases, it may cause harm.

However, the head-mounted devices currently on the market usually only focus on the product quality itself, often ignoring the possible damage to the user's cervical spine when used for a long time.

Therefore, how to provide a technical solution to the above problems is a problem that current technicians in this field need to solve.

The embodiment of the present application provides a reminder method for a head-mounted device and a head-mounted device, which can solve the problem that the existing head-mounted device ignores the possible damage to the user's cervical spine when used for a long time.

In order to solve the above technical problems, this application is implemented as follows:

This application provides a reminder method for a head-mounted device, which includes: based on a startup command, collecting six-axis posture data continuously output by a sensing module to obtain and store real-time head posture values, wherein the first obtained A real-time head posture value is the initial head posture value; when the accumulated time for obtaining and storing real-time head posture values reaches the first preset time period, based on the real-time head posture value obtained within the first preset time period, Determine whether there is a change in the posture value. If there is a change, store the last real-time head posture value obtained within the first preset time period as the basic head posture value; if there is no change, perform a predetermined reminder operation; and When the accumulated time period for obtaining and storing the real-time head posture value is longer than the first preset time period, every second preset time period, determine whether there is a real-time head posture value based on the second preset time period. Change, if there is a change, store the last real-time head posture value obtained within the second preset time period as the current basic head posture value, and store the last real-time head posture value obtained within the second preset time period. When the real-time head posture value is the same as the initial head posture value or the previously stored basic head posture value, further perform a predetermined reminder operation; if there is no change, perform a predetermined reminder operation; wherein the second preset duration is longer than the first Default duration.

This application provides a head-mounted device, which includes: a sensing module, a storage module, a reminder module, and a processing module. The processing module is connected to the sensing module, the storage module, and the reminder module. The sensing module is used to continuously output six-axis posture data; the storage module is used to store the initial head posture value and real-time head posture value; the reminder module is used to perform scheduled reminder operations. The processing module is used to perform the following steps: based on the startup command, collect the six-axis posture data continuously output by the sensing module to obtain the real-time head posture value, where the first real-time head posture value obtained is the initial head posture head posture value; when the accumulated time for obtaining the real-time head posture value reaches the first preset time period, it is determined whether there is a change based on the real-time head posture value obtained within the first preset time period. If there is a change, Then the last real-time head posture value obtained within the first preset time period is stored as the basic head posture value; if there is no change, the reminder module is controlled to perform a predetermined reminder operation; and when the real-time head posture value is obtained After the cumulative duration is longer than the first preset duration, every second preset duration, it will be determined whether there is a change based on the real-time head posture value obtained within the second preset duration. If there is a change, it will be The last real-time head posture value obtained within the second preset time period is stored as the current basic head posture value, and the last real-time head posture value obtained within the second preset time period is the same as the initial head posture value. When the posture value or the previously stored basic head posture value is the same, the reminder module is further controlled to perform a predetermined reminder operation; if there is no change, the reminder module is controlled to perform a predetermined reminder operation; wherein the second preset duration is longer than the first preset time. Set duration.

In the head-mounted device reminder method and the head-mounted device described in the embodiments of the present application, when the user uses the head-mounted device to enjoy the immersive experience, the user's head can be determined through the real-time head posture value. Whether it has been in a basically unchanged state, and when the user's head is in the same posture for a long time, it reminds the user that he or she needs to adjust his or her own state (for example, it is recommended to change postures or take a rest), so as to prevent cervical spine fatigue. In addition, through the setting of the second preset duration, basic head posture value and initial head posture value, the user's limb activity state can be sensed in detail, and the user's head can return to the original state after slight head posture changes. gesture, remind the user to give the user a better experience.

The embodiments of the present invention will be described below with reference to relevant drawings. In the drawings, the same reference numbers represent the same or similar components or method flows.

It must be understood that the words "including" and "include" used in this specification are used to indicate the existence of specific technical features, values, method steps, operations and/or components, but it does not exclude the possibility of adding Further technical characteristics, numerical values, method steps, job processes, components, or any combination of the above.

It is important to understand that when a component is described as being "connected" or "coupled" to another component, it can be directly connected or coupled to the other component, and there may be intermediate components. Conversely, when a component is described as being "directly connected" or "directly coupled" to another component, there are no intermediate components.

Please refer to FIG. 1 , which is a block diagram of an embodiment of a head-mounted device according to the present application. As shown in FIG. 1 , the head-mounted device 100 includes: a sensing module 110, a storage module 120, a reminder module 130 and a processing module 140, and the processing module 140 is connected to the sensing module 110, the storage module 120 and the reminder module 130. The head-mounted device 100 may be, but is not limited to, a virtual reality (VR) device, an augmented reality (AR) device or a mixed reality (MR) device; the sensing module 110 may be, but is not limited to, a six-axis inertial measurement unit (IMU). Unit, IMU); the storage module 120 may include but is not limited to a removable memory, a dynamic random access memory, a read-only memory (ROM) or any combination thereof, the removable memory may include a memory card, the dynamic random access memory may include a static random access memory (SRAM) and a dynamic random access memory (DRAM), and the read-only memory may include a programmable read-only memory (PROM) and an electronically erasable read-only memory (EEPROM); the processing module 140 may be but is not limited to an application specific integrated circuit (ASIC), a programmable logic device (PLD), a field programmable gate array (FPG), or a gate array. Array, FPGA), controller, microcontroller, microprocessor or digital signal processor (Digital signal processing, DSP).

The sensing module 110 is used to continuously output six-axis attitude data. Specifically, the sensing module 110 may include a gyroscope 112, an accelerometer 114, and a magnetometer 116. The gyroscope 112 may be used to measure the rotational motion of the head-mounted device 100, the accelerometer 114 may be used to detect the force of the head-mounted device 100, and the magnetometer 116 may be used to detect the orientation of the head-mounted device 100.

The storage module 120 is used to store the initial head posture value and the real-time head posture value. In addition, the storage module 120 can also store data and/or instructions that the head-mounted device 100 can execute or use to implement the reminder method of the head-mounted device described in this application.

The reminder module 130 is used to perform a predetermined reminder operation. In one example, the reminder module 130 may include: a display module 132 connected to the processing module 140, a broadcast module 134, and a vibration module 136, wherein the display module 132 may be used to remind the user to pay attention to the head posture in the form of a bullet screen, the vibration module 136 may be used to remind the user to pay attention to the head posture in the form of a vibration, and the broadcast module 134 may be used to remind the user to pay attention to the head posture in the form of a voice playback (that is, the predetermined reminder operation may be a bullet screen reminder, a vibration reminder, and a voice playback reminder). It should be noted that the display module 132 also provides the user with a display screen when using the head mounted device 100.

The processing module 140 is used to collect the six-axis posture data continuously output by the sensing module 110 based on the startup command to obtain real-time head posture values. Specifically, the processing module 140 can continuously obtain the gyroscope data measured by the gyroscope 112, the accelerometer data detected by the accelerometer 114, and the magnetometer data detected by the magnetometer 116 through a software development kit (SDK), to Continuously obtain real-time head posture values. Among them, the first real-time head posture value obtained is the initial head posture value.

In one embodiment, the processing module 140 can obtain the gyroscope data measured by the gyroscope 112, the accelerometer data detected by the accelerometer 114 and the magnetometer 116 through the software development kit after the head mounted device 100 is powered on. The magnetometer data is used to determine whether the user is wearing the head-mounted device 100; when the processing module 140 determines that the user is wearing the head-mounted device 100, the startup command is automatically generated (that is, after the user wears the head-mounted device 100 , the processing module 140 automatically starts executing the information and/or instructions of the reminder method of the head-mounted device described in this application). In another embodiment, the user can transmit the startup command to the head-mounted device 100 by operating an input device (not shown) connected to the head-mounted device 100, so that the processing module 140 starts executing the steps described in this application. The data and/or instructions of the reminder method of the head-mounted device; at the same time, the user can also transmit a shutdown command to the head-mounted device 100 by operating the input device connected to the head-mounted device 100, causing the processing module 140 to stop Materials and/or instructions for performing the head-mounted device reminder methods described in this application.

In this embodiment, the processing module 140 is also used to determine whether there is a change based on the real-time head posture values obtained within the first preset time when the cumulative time for obtaining the real-time head posture values reaches a first preset time. If there is a change, the last real-time head posture value obtained within the first preset time is stored as the basic head posture value; if there is no change, the reminder module 130 is controlled to perform a predetermined reminder operation. Specifically, the processing module 140 can perform logical analysis and processing on the six-axis posture data output by the sensing module 110 through an algorithm processing module (i.e., specific logic software), and determine whether the user's head posture changes within the first preset time after receiving the activation command. If so, the basic head posture value is stored. If not (representing that the user maintains the same head posture within the first preset time), the reminder module 130 is controlled to remind the user to pay attention to the head posture in the form of bullet screen, vibration and/or voice playback. The first preset time can be a preset time (e.g., five minutes) or a time that the user can set according to actual needs.

In this embodiment, the processing module 140 is also used to determine whether there is a change every second preset time period based on the real-time head posture value obtained within the second preset time period when the cumulative time period for obtaining the real-time head posture value is greater than the first preset time period. If there is a change, the last real-time head posture value obtained within the second preset time period is stored as the current basic head posture value, and when the last real-time head posture value obtained within the second preset time period is the same as the initial head posture value or the previously stored basic head posture value, the reminder module 130 is further controlled to perform a predetermined reminder operation; if there is no change, the reminder module 130 is controlled to perform a predetermined reminder operation, wherein the second preset time period is greater than the first preset time period.

Specifically, the processing module 140 starts to continuously obtain the real-time head posture value based on the startup instruction, and after the first preset time period, determines the use time within the second preset time period every second preset time period. Whether there is a change in the user's head posture; if there is a change, the last real-time head posture value obtained within the second preset time period is stored as the current basic head posture value, and is stored on the user's head When the posture returns to the original posture due to slight changes (that is, the last real-time head posture value obtained within the second preset time period is the same as the initial head posture value or the previously stored basic head posture value), the processing model The group 140 further controls the reminder module 130 to remind the user to pay attention to the head posture in the form of barrages, vibrations and/or voice playback; if there is no change, the processing module 140 controls the reminder module 130 to use barrages, vibrations and/or voice playback. The form reminds users to pay attention to their head posture. Wherein, the second preset time length may be a default preset time length (for example: ten minutes) or a time length that the user can set according to actual needs, and the second preset time length is greater than the first preset time length. , therefore, the head-mounted device 100 can sense the user's limb activity status in more detail, giving the user a better experience.

In one embodiment, the head mounted device 100 may further include: a camera module 150, which is connected to the processing module 140 and is used to continuously capture environmental images (i.e., images of the environment in which the head mounted device 100 is used). The processing module 140 may also be used to utilize the six-axis posture data continuously output by the sensing module 110 and the environmental images continuously captured by the camera module 150 to obtain the real-time head posture value through a fusion algorithm. In other words, in addition to using the six-axis posture data continuously output by the sensing module 110 to obtain the real-time head posture value, the processing module 140 can also use the environmental images continuously captured by the camera module 150 to assist in obtaining the real-time head posture value. Among them, the camera module 150 can be a wide-angle camera, and the field of view of the camera module 150 can be greater than 120 degrees.

In one embodiment, the processing module 140 can also be used to count the real-time head posture values obtained within the third preset time when the cumulative time of obtaining the real-time head posture value reaches the third preset time; and when it is determined that the cumulative number of a certain real-time head posture value exceeds the threshold, control the reminder module 130 to perform a predetermined reminder operation. In other words, the processing module 140 can also control the reminder module 130 to remind the user to pay attention to the head posture in the form of pop-up screen, vibration and/or voice playback when the number of times the user's head maintains the same posture within the third preset time exceeds the threshold. Among them, the third preset time is greater than the second preset time, and the size of the threshold can be adjusted according to actual needs.

In one embodiment, the reminder module 130 may include: a display module 132 connected to the processing module 140, and the head-mounted device 100 may also include: a database 160 connected to the processing module 140; the processing module 140 may also be used to search for corresponding relief activity data in the database 160 based on the real-time head posture value whose cumulative number exceeds the threshold, and control the display module 132 to display the relief activity data in the form of a pop-up screen, suggesting that the user perform relief activities. Among them, the relief activity data may include but is not limited to the head posture in the opposite direction to the real-time head posture value whose cumulative number exceeds the threshold and the recommended time length for performing the relief activity; the relief activity data included in the database 160 can be synchronously updated when the head-mounted device 100 updates its application software or firmware.

Please refer to FIG. 2 , which is a method flow chart of a reminder method for a head-mounted device according to an embodiment of the present application. As shown in Figure 2, the reminder method of the head-mounted device includes: based on the startup command, collecting the six-axis posture data continuously output by the sensing module to obtain and store the real-time head posture value. Among them, the first one obtained The real-time head posture value is the initial head posture value (step 210); when the accumulated time for obtaining and storing the real-time head posture value reaches the first preset time period, based on the first preset time period, the Determine whether there is a change in the real-time head posture value (step 220). If there is a change, store the last real-time head posture value obtained within the first preset time period as the basic head posture value (step 230); If there is no change, perform a predetermined reminder operation (step 240); and when the cumulative duration of obtaining and storing the real-time head posture value is greater than the first preset duration, every second preset duration, based on the second preset duration, It is assumed that the real-time head posture value obtained within the time period is judged whether there is a change (step 250). If there is a change, the last real-time head posture value obtained within the second preset time period is stored as the current basis. head posture value, and when the last real-time head posture value obtained within the second preset time period is the same as the initial head posture value or the previously stored basic head posture value, further perform a predetermined reminder operation (step 260 ); if there is no change, perform a scheduled reminder operation (step 270). Wherein, the second preset duration is longer than the first preset duration.

Therefore, the reminder method of the head-mounted device can judge whether the user's head has been in a basically unchanged state through the real-time head posture value, and remind the user to adjust his or her own state when the user's head is in a posture for a long time, thereby preventing cervical fatigue. In addition, through the setting of the second preset time, the basic head posture value and the initial head posture value, the user's limb activity state is sensed in detail, and the user can be reminded when the user's head returns to the original posture after a slight head posture change, giving the user a better experience. For detailed descriptions, please refer to the relevant descriptions of the above embodiments, which will not be elaborated here.

In one embodiment, step 210 may include: based on the startup instruction, collecting the six-axis posture data continuously output by the sensing module and obtaining the environmental images continuously captured by the camera module, and using the six-axis posture data and the environmental images, through a fusion algorithm, obtaining and storing the real-time head posture value. Therefore, the head-mounted device can use the environmental images continuously captured by the camera module to assist in obtaining the real-time head posture value. For detailed description, please refer to the relevant description content of the above embodiment, which will not be repeated here.

In one embodiment, performing the predetermined reminder operation described in steps 240 and 270 may include: reminding the user to pay attention to the head posture in the form of barrages, voice playback, and/or vibration. Therefore, when users use head-mounted devices to enjoy an immersive experience, they can also pay attention to the need to adjust their own status. For detailed description, please refer to the relevant descriptions of the above embodiments and will not be described again here.

Please refer to FIG. 3 , which is a method flow chart of another embodiment of a reminder method for a head-mounted device according to the present application. As shown in Figure 3, in addition to steps 210 to 270, the reminder method of the head-mounted device may also include, before step 210, automatically generating a startup command when detecting that the user is wearing the head-mounted device (step 202). . Therefore, after the user wears the head-mounted device 100, the head-mounted device 100 automatically starts to perform steps 210 to 270. For detailed description, please refer to the relevant descriptions of the above embodiments and will not be described again here. It should be noted that, in order to avoid making the diagram of FIG. 3 too complex, drawing steps 250 to 270 are omitted.

Please refer to FIG. 4 , which is a flowchart of another embodiment of the reminder method of the head-mounted device according to the present application. As shown in FIG. 4 , in addition to steps 210 to 270, the reminder method of the head-mounted device may also include, before step 210, receiving a startup instruction from an input device (step 204). Therefore, the user can start the head-mounted device 100 to execute steps 210 to 270 as needed. For detailed descriptions, please refer to the relevant descriptions of the above embodiments, which will not be elaborated here. It should be noted that in order to avoid the drawing of FIG. 4 being too complicated, steps 250 to 270 are omitted.

Please refer to FIG5, which is a flowchart of another embodiment of the reminder method of the head-mounted device according to the present application. As shown in FIG5, the reminder method of the head-mounted device may include, in addition to steps 210 to 270, the following steps: when the cumulative duration of obtaining and storing the real-time head posture value reaches a third preset duration, the real-time head posture value obtained within the third preset duration is counted (step 310); and when it is determined that the cumulative number of a certain real-time head posture value exceeds the threshold, a predetermined reminder operation is executed (step 320). The third preset duration is greater than the second preset duration. Therefore, the reminder method of the head-mounted device can monitor the user's head posture for a long time and remind the user to pay attention to the head posture. For detailed description, please refer to the related description of the above embodiment, which will not be elaborated here. It should be noted that in order to avoid the diagram of FIG. 5 being too complicated, the drawing steps 220 to 270 are omitted.

In one embodiment, the reminder method of the head-mounted device may also include: searching for corresponding mitigation activity data in the database based on the real-time head posture value whose cumulative number exceeds the threshold, and displaying the mitigation activity data in the form of a barrage, suggesting The user performs mitigation activities (step 330). For detailed description, please refer to the relevant descriptions of the above embodiments and will not be described again here.

It should be noted that if the above steps have no causal relationship, this application does not limit the order in which they are performed.

In summary, in this application, when the user uses the head-mounted device to enjoy an immersive experience, the real-time head posture value can be used to determine whether the user's head has been in a basically unchanged state, and when the user's head is in a posture for a long time, the user is reminded to adjust his or her own state (for example: it is recommended to change posture or take a rest), thereby preventing cervical fatigue. In addition, through the setting of the second preset time, the basic head posture value and the initial head posture value, the user's limb activity state is sensed in detail, and the user can be reminded when the user's head returns to the original posture after a slight head posture change, giving the user a better experience. In addition, through the third preset time and database settings, the user's head posture can be monitored for a long time. In addition to reminding the user to pay attention to the head posture, the relief activity data can also be displayed to recommend the user to perform corresponding relief activities.

Although the present invention is described using the above embodiments, it should be noted that these descriptions are not intended to limit the present invention. On the contrary, the present invention covers modifications and similar arrangements that are obvious to those skilled in the art. Therefore, the scope of the patent application should be interpreted in the broadest manner to include all obvious modifications and similar arrangements.

100:Head mounted device 110: Sensing module 112: Gyroscope 114:Accelerometer 116: Magnetometer 120:Storage module 130: Reminder module 132:Display module 134:Broadcast module 136:Vibration module 140: Processing module 150:Camera module 160:Database 202,204,210~270,310~330: steps

The drawings described here are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation of the present application. In the drawings: Fig. 1 is a block diagram of an embodiment of a head-mounted device according to the present application; Fig. 2 is a method flow chart of a reminder method of a head-mounted device according to the present application; Fig. 3 is a method flow chart according to an embodiment of the present application; A method flow chart of another embodiment of the reminder method of the head-mounted device according to the application; Figure 4 is a method flow chart of another embodiment of the reminder method of the head-mounted device according to the application; and Figure 5 is a method flow chart of the head-mounted device according to the application. A method flow chart of yet another embodiment of a reminder method for a wearable device.

210~270: Steps

Claims (12)

A reminder method for a head-mounted device, comprising: Based on a startup instruction, a six-axis posture data continuously output by a sensing module is collected to obtain and store a real-time head posture value, wherein the first real-time head posture value obtained is an initial head posture value; When the cumulative duration of obtaining and storing the real-time head posture value reaches a first preset duration, based on the real-time head posture value obtained within the first preset duration, it is determined whether there is a change; if there is a change, the last real-time head posture value obtained within the first preset duration is stored as a basic head posture value; if there is no change, a predetermined reminder operation is executed; and After the accumulated time of obtaining and storing the real-time head posture value is greater than the first preset time, every second preset time, based on the real-time head posture value obtained within the second preset time, determine whether there is a change; if there is a change, the last real-time head posture value obtained within the second preset time is stored as the current basic head posture value, and when the last real-time head posture value obtained within the second preset time is the same as the initial head posture value or the previously stored basic head posture value, further execute the scheduled reminder operation; if there is no change, execute the scheduled reminder operation, wherein the second preset time is greater than the first preset time. The reminder method of the head-mounted device as described in claim 1 further includes: When a user is detected wearing a head-mounted device, the activation instruction is automatically generated. The reminder method of the head-mounted device as described in request item 1 also includes: The start command is received from an input device. The reminder method of a head-mounted device as described in claim 1, wherein the step of collecting the six-axis posture data continuously output by the sensing module based on the startup command to obtain and store the real-time head posture value, include: Based on the startup command, collect the six-axis attitude data continuously output by the sensing module and obtain an environmental image continuously captured by a camera module, and use the six-axis attitude data and the environmental image through a fusion algorithm , obtain and store the real-time head posture value. The reminder method of the head-mounted device as described in claim 1, wherein the step of executing the predetermined reminder operation includes: Reminding a user to pay attention to the head posture in the form of a pop-up screen, a voice playback and/or a vibration. The reminder method of the head-mounted device as described in claim 1 further includes: When the cumulative duration of obtaining and storing the real-time head posture value reaches a third preset duration, the real-time head posture value obtained within the third preset duration is counted, wherein the third preset duration is greater than the second preset duration; and When it is determined that the cumulative number of times of a certain real-time head posture value exceeds a threshold value, the predetermined reminder operation is executed. The reminder method of the head-mounted device as described in claim 6 further includes: Based on the real-time head posture value whose cumulative number exceeds the threshold, searching a database for a corresponding relief activity data, and displaying the relief activity data in a bullet screen form, suggesting a user to perform a relief activity. A head-mounted device comprises: A sensing module for continuously outputting six-axis posture data; A storage module for storing an initial head posture value and a real-time head posture value; A reminder module for executing a predetermined reminder operation; and A processing module connected to the sensing module, the storage module and the reminder module, for executing the following steps: Based on a startup instruction, the six-axis posture data continuously output by the sensing module is collected to obtain the real-time head posture value, wherein the first real-time head posture value obtained is the initial head posture value; When the accumulated time of obtaining the real-time head posture value reaches a first preset time, based on the real-time head posture value obtained within the first preset time, determine whether there is a change; if there is a change, store the last real-time head posture value obtained within the first preset time as a basic head posture value; if there is no change, control the reminder module to execute the predetermined reminder operation; and When the accumulated time of obtaining the real-time head posture value is greater than the first preset time, every second preset time, based on the real-time head posture value obtained in the second preset time, determine whether there is a change; if there is a change, the last real-time head posture value obtained in the second preset time is stored as the current basic head posture value, and when the last real-time head posture value obtained in the second preset time is the same as the initial head posture value or the previously stored basic head posture value, further control the reminder module to perform the predetermined reminder operation; if there is no change, control the reminder module to perform the predetermined reminder operation, wherein the second preset time is greater than the first preset time. The head-mounted device as described in claim 8 further includes: a camera module connected to the processing module, used to continuously capture an environment image; the processing module is also used to utilize the six-axis posture data continuously output by the sensing module and the environment image continuously captured by the camera module to obtain the real-time head posture value through a fusion algorithm. The head-mounted device according to claim 8, wherein the reminder module includes: a display module, a broadcast module and/or a vibration module connected to the processing module, wherein the display module uses To remind a user to pay attention to the head posture in the form of a barrage, the vibration module is used to remind the user to pay attention to the head posture in the form of a vibration, and the broadcast module is used to remind the user to pay attention in the form of a voice. Head posture. The head-mounted device as described in claim 8, wherein the processing module is also configured to, when the accumulated time for obtaining the real-time head posture value reaches a third preset time, make statistics on the third preset time. The real-time head posture value obtained within the time period; and when it is determined that the cumulative number of a certain real-time head posture value exceeds a threshold, the reminder module is controlled to perform the predetermined reminder operation; wherein, the third preset The duration is greater than the second preset duration. A head-mounted device as described in claim 11, wherein the reminder module includes: a display module connected to the processing module, and the head-mounted device also includes: a database connected to the processing module; the processing module is also used to search the database for a corresponding relief activity data based on the real-time head posture value whose cumulative number exceeds the threshold, and control the display module to display the relief activity data in a pop-up screen format to suggest a user to perform a relief activity.