CN116558494B - Method, system and medium for realizing compass function based on intelligent wearable device - Google Patents
Method, system and medium for realizing compass function based on intelligent wearable device Download PDFInfo
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Abstract
The application provides a method, a system and a medium for realizing compass functions based on intelligent wearable equipment. Belongs to the technical field of intelligent wearable equipment technology and compass display, and the method comprises the following steps: acquiring display geomagnetic data information, real-time geomagnetic data information and time information of a wearable device, processing the real-time geomagnetic data information to obtain effective real-time geomagnetic data information, inputting the effective real-time geomagnetic data information and the current display geomagnetic data information into a preset picture rotation regulation model for processing to obtain compass disc picture rotation data information, rotating a disc original image according to the compass disc picture rotation data information and mapping the compass disc original image with the time information to obtain compass disc display image information, and displaying the compass disc display image information on the wearable device; through calculation and image display to disc rotation information, the compass disc rotation function of the wearable device is realized.
Description
Technical Field
The application relates to the technical field of intelligent wearable equipment and compass display, in particular to a method, a system and a medium for realizing a compass function based on intelligent wearable equipment.
Background
The compass can conveniently and rapidly identify the direction, so that people are favored by outdoor sporters in outdoor exercises, the direction is indicated by adopting a rotating pointer mode in the compass of intelligent wearing equipment in the current market, but the current direction cannot be directly displayed by adopting the rotating mode, and the current direction still needs to be considered and calculated according to the compass display direction for an initial user, so that the compass display mode needs to be adjusted to realize the problem of rapidly and correctly identifying the direction of the user, thereby reducing the thinking of the user and rapidly realizing the instant reading mode; the operation amount for realizing the rotation of the disc image is large, certain requirements are met on the performance of the device, and the disc image is required to be rapidly and accurately rotated by innovative data processing mode.
In view of the above problems, an effective technical solution is currently needed.
Disclosure of Invention
The application aims to provide a method, a system and a medium for realizing compass functions based on intelligent wearable equipment, which can acquire geomagnetic data information according to the real-time position of a compass, and realize the indication of the compass direction through the rotation of a disc image, so that a user can conveniently and quickly identify the current azimuth.
The application also provides a method for realizing the compass function based on the intelligent wearable equipment, which comprises the following steps:
acquiring current display geomagnetic data information, real-time geomagnetic data information and time information of a compass of the wearable equipment;
preprocessing the real-time geomagnetic data information to obtain effective real-time geomagnetic data information;
inputting the effective real-time geomagnetic data information and the current geomagnetic data information to a preset picture rotation regulation model for processing to obtain compass disc picture rotation data information;
mapping according to the compass disc picture rotation data information and the time information and rotating the disc original image to obtain compass disc display image information;
and displaying the compass disc display image information on the wearable equipment.
Optionally, in the method for implementing the compass function of the intelligent wearable device according to the present application, the acquiring the geomagnetic data information, the real-time geomagnetic data information and the time information of the current display of the compass of the wearable device includes:
acquiring current geomagnetic data information of a compass of the wearable equipment, wherein the current geomagnetic data information comprises magnetic field intensity information, magnetic declination angle information and magnetic inclination angle information;
Acquiring real-time geomagnetic data information of the compass, wherein the real-time geomagnetic data information comprises real-time magnetic field intensity information, real-time magnetic declination information and real-time magnetic inclination angle information;
and acquiring time information of the compass.
Optionally, in the implementation method of compass function based on intelligent wearable device according to the present application, the preprocessing the real-time geomagnetic data information to obtain effective real-time geomagnetic data information includes:
preprocessing according to a plurality of real-time geomagnetic data information to obtain a real-time geomagnetic data information expected value;
calculating to obtain a real-time geomagnetic dispersion value according to the real-time geomagnetic data information expected value, and reserving real-time geomagnetic data information corresponding to the real-time geomagnetic dispersion value smaller than a preset dispersion threshold value;
and marking the reserved real-time geomagnetic data information as effective real-time geomagnetic data information.
Optionally, in the compass function implementation method based on the intelligent wearable device according to the present application, the inputting the effective real-time geomagnetic data information and the currently displayed geomagnetic data information into a preset picture rotation regulation model for processing, to obtain compass disc picture rotation data information includes:
inputting the effective real-time geomagnetic data information and the current display geomagnetic data information into a preset picture rotation regulation model for processing to obtain real-time geomagnetic picture angle information and display geomagnetic picture angle information;
And carrying out double-factor rotation difference processing according to the real-time geomagnetic picture angle information and the display geomagnetic picture angle information through a preset rotation processing model to obtain compass disc picture rotation data information.
Optionally, in the compass function implementation method based on the intelligent wearable device according to the present application, the mapping is performed according to the compass disc picture rotation data information and the time information, and the disc primary image is rotated, so as to obtain compass disc display image information, which specifically includes:
mapping and correlating the compass disc picture rotation data information with the time information to obtain real-time disc picture rotation information;
and inputting the real-time disc picture rotation information into a preset disc image processing model to rotate the original disc image, so as to obtain compass disc display image information and store the compass disc display image information into a cache area.
Optionally, in the method for implementing a compass function based on an intelligent wearable device according to the present application, the displaying the compass disc display image information on the wearable device includes:
inputting the compass display image information in the cache area into a preset compass graphic display model;
The compass graphic display model corrects the compass disc display image information according to the preset size and resolution of a display screen of the intelligent device;
and sending the corrected compass disk display image information to a screen display module, and refreshing and displaying screen display contents.
Optionally, in the compass function implementation method based on the intelligent wearable device according to the present application, the inputting the effective real-time geomagnetic data information and the currently displayed geomagnetic data information into a preset picture rotation regulation model is performed to obtain compass disc picture rotation data information, and the method further includes:
the compass disc picture rotation data information comprises rotation inclination compensation angle data;
the calculation formula of the rotation inclination compensation angle data is as follows:
；
wherein ,compensating angle data for rotational tilt, < >>For determining the rotation direction sign +.>For the real-time geomagnetic declination,to display geomagnetic inclination angle->For the tan function->Is magnetic force in X-axis direction->Is magnetic force in the Y-axis direction.
In a second aspect, the present application further provides a compass function implementation system based on the intelligent wearable device, where the system includes: the intelligent wearable device compass function implementation method comprises a memory and a processor, wherein the memory comprises a program based on the intelligent wearable device compass function implementation method, and when the program based on the intelligent wearable device compass function implementation method is executed by the processor, the following steps are realized:
Acquiring current display geomagnetic data information, real-time geomagnetic data information and time information of a compass of the wearable equipment;
preprocessing the real-time geomagnetic data information to obtain effective real-time geomagnetic data information;
inputting the effective real-time geomagnetic data information and the current geomagnetic data information to a preset picture rotation regulation model for processing to obtain compass disc picture rotation data information;
mapping according to the compass disc picture rotation data information and the time information and rotating the disc original image to obtain compass disc display image information;
and displaying the compass disc display image information on the wearable equipment.
Optionally, in the compass function implementation system based on the intelligent wearable device according to the present application, the acquiring the geomagnetic data information, the real-time geomagnetic data information and the time information of the current display of the compass of the wearable device includes:
acquiring current geomagnetic data information of a compass of the wearable equipment, wherein the current geomagnetic data information comprises magnetic field intensity information, magnetic declination angle information and magnetic inclination angle information;
acquiring real-time geomagnetic data information of the compass, wherein the real-time geomagnetic data information comprises real-time magnetic field intensity information, real-time magnetic declination information and real-time magnetic inclination angle information;
And acquiring time information of the compass.
In a third aspect, the present application further provides a computer readable storage medium, where the computer readable storage medium includes a program for implementing a compass function based on an intelligent wearable device, where when the program for implementing the compass function based on the intelligent wearable device is executed by a processor, the steps of the method for implementing the compass function based on the intelligent wearable device according to any one of the above are implemented.
According to the compass function implementation method, system and medium based on the intelligent wearable device, the current display geomagnetic data information, the real-time geomagnetic data information and the time information of the intelligent wearable device are collected, the real-time geomagnetic data information is preprocessed to obtain effective real-time geomagnetic data information, then the effective real-time geomagnetic data information and the current display geomagnetic data information are input into a preset picture rotation regulation model to be processed to obtain compass disc picture rotation data information, a disc original image is rotated according to the compass disc picture rotation data information and mapped with the time information to obtain compass disc display image information, and the compass disc display image information is displayed on the wearable device.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the following brief description will be given of the drawings required for the present application, it being understood that the following drawings only illustrate some embodiments of the present application and are therefore not to be considered limiting in scope, and that other related drawings may be obtained according to these drawings without the inventive effort of a person skilled in the art.
Fig. 1 is a flowchart of a compass function implementation method based on an intelligent wearable device according to an embodiment of the present application;
fig. 2 is a flowchart of acquiring geomagnetic data information and real-time geomagnetic data information currently displayed based on a compass function implementation method of an intelligent wearable device according to an embodiment of the present application;
fig. 3 is a flowchart of obtaining effective real-time geomagnetic data information based on a compass function implementation method of an intelligent wearable device according to an embodiment of the present application;
Fig. 4 is a flowchart of obtaining compass disc image rotation data information based on a compass function implementation method of an intelligent wearable device according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a compass function implementation system based on an intelligent wearable device according to an embodiment of the present application.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of embodiments of the application will be rendered by reference to the appended drawings, which are illustrated in the appended drawings. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, fig. 1 is a flowchart of a compass function implementation method based on an intelligent wearable device according to some embodiments of the present application. The intelligent wearable device compass function implementation method is used in a compass based on intelligent wearable device.
As shown in fig. 1, the compass function implementation method based on the intelligent wearable device comprises the following steps:
s101, acquiring current display geomagnetic data information, real-time geomagnetic data information and time information of a compass of a wearable device;
s102, preprocessing the real-time geomagnetic data information to obtain effective real-time geomagnetic data information;
s103, inputting the effective real-time geomagnetic data information and the current geomagnetic data information to a preset picture rotation regulation model for processing to obtain compass disc picture rotation data information;
S104, mapping according to the compass disc picture rotation data information and the time information and rotating the disc original image to obtain compass disc display image information;
s105, displaying the compass disc display image information on the wearable device.
It should be noted that, because the positions and the orientations of the geomagnetic data information are different, in this embodiment, in order to implement the compass disk rotation function of the intelligent wearable device, firstly, the geomagnetic data information, the real-time geomagnetic data information and the time information of the current display of the compass of the wearable device are collected, the geomagnetic data information of the current display includes the magnetic field intensity information, the magnetic declination angle information and the magnetic declination angle information, and the geomagnetic data information of the real-time includes the magnetic field intensity information, the magnetic declination angle information and the magnetic declination angle information of the real-time, and in order to ensure the accuracy of the geomagnetic data of the real-time, the geomagnetic data information of the real-time is preprocessed, and the preprocessing process is specifically as follows: firstly, calculating a real-time geomagnetic data information expected value, calculating a real-time geomagnetic dispersion value according to the expected value, wherein the dispersion value reflects the fluctuation of data, and in order to ensure the effectiveness and stability of a group of real-time geomagnetic data information, reserving the real-time geomagnetic data information with the dispersion smaller than a preset dispersion threshold value, discarding the real-time geomagnetic data information with the dispersion larger than the preset dispersion threshold value, and further determining effective real-time geomagnetic data information; inputting the effective real-time geomagnetic data information and the current geomagnetic data information to a preset picture rotation regulation model for processing to obtain compass disc picture rotation data information, wherein the specific modes are as follows: obtaining effective real-time geomagnetic picture angle information and displaying geomagnetic picture angle information, performing double-factor rotation difference processing through a preset rotation processing model to obtain compass disc picture rotation data information, mapping and connecting the compass disc picture rotation data information with time information in parallel to obtain real-time disc picture rotation information, calculating inclination compensation angle direction and degree by wearing equipment disc display, rotating a disc image through a disc image processing model to obtain compass disc display image information, and correcting the compass disc display image information to the most suitable state according to the size and resolution of a display screen of the intelligent wearing equipment when the compass disc display image information is displayed, so that the compass disc image rotation is realized, and a technology for enabling a user to quickly and accurately distinguish the current direction is facilitated.
Referring to fig. 2, fig. 2 is a flowchart of acquiring geomagnetic data information and real-time geomagnetic data information currently displayed based on a compass function implementation method of an intelligent wearable device according to some embodiments of the present application. According to the embodiment of the application, the acquiring of the geomagnetic data information, the real-time geomagnetic data information and the time information of the current display of the compass of the wearable device is specifically as follows:
s201, acquiring current geomagnetic data information of a compass of the wearable equipment, wherein the geomagnetic data information comprises magnetic field intensity information, magnetic declination angle information and magnetic inclination angle information;
s202, acquiring real-time geomagnetic data information of the compass, wherein the real-time geomagnetic data information comprises real-time magnetic field intensity information, real-time magnetic declination information and real-time magnetic inclination angle information;
s203, acquiring time information of the compass.
It should be noted that, geomagnetic data information includes three factors, namely: magnetic field strength information, declination information, and dip angle information; because the positions and the directions of the geomagnetic data information are different, the geomagnetic data information is required to be acquired before the compass disk picture rotation data information is calculated, and the rotation data can be accurately calculated by the basic data before and after the change.
Referring to fig. 3, fig. 3 is a flowchart of obtaining effective real-time geomagnetic data information based on a compass function implementation method of an intelligent wearable device according to an embodiment of the present application. According to an embodiment of the present application, the preprocessing the real-time geomagnetic data information to obtain effective real-time geomagnetic data information includes:
s301, preprocessing according to a plurality of pieces of real-time geomagnetic data information to obtain a real-time geomagnetic data information expected value;
s302, calculating to obtain a real-time geomagnetic dispersion value according to the real-time geomagnetic data information expected value, and reserving real-time geomagnetic data information corresponding to the real-time geomagnetic dispersion value smaller than a preset dispersion threshold value;
s303, marking the reserved real-time geomagnetic data information as effective real-time geomagnetic data information.
It should be noted that, in the same position, geomagnetic data information with different heights and directions may have larger deviation, so after several groups of real-time geomagnetic data information are measured, preprocessing is performed first to obtain effective real-time geomagnetic data information, the real-time geomagnetic data information is more accurately represented, and the preprocessing process firstly obtains the expected value of the real-time geomagnetic data information through calculation, and the calculation formula is as follows:
；
wherein ,for geomagnetic data information expectation value, +.>、/>....../>Is +.>Personal geomagnetic data information,>the real-time geomagnetic dispersion value is obtained by calculating the number of a group of geomagnetic data information according to the expected value, and the calculation formula is as follows:
；
wherein ,for real-time geomagnetic dispersion value, +.>Is the number of geomagnetic data information of a group, < ->Is->Personal geomagnetic data information,>the expected value is the real-time geomagnetic data information;
the dispersion value reflects the fluctuation of the data, so that the real-time geomagnetic data information with the dispersion smaller than a preset dispersion threshold value is reserved for ensuring the effectiveness and stability of a group of real-time geomagnetic data information, the real-time geomagnetic data information with the dispersion larger than the preset dispersion threshold value is discarded, and further effective real-time geomagnetic data information is determined.
Referring to fig. 4, fig. 4 is a flowchart of obtaining compass disk image rotation data information based on a compass function implementation method of an intelligent wearable device according to an embodiment of the present application. According to an embodiment of the present application, the inputting the effective real-time geomagnetic data information and the currently displayed geomagnetic data information into a preset picture rotation regulation model for processing to obtain compass disc picture rotation data information includes:
S401, inputting the effective real-time geomagnetic data information and the current geomagnetic data information to a preset picture rotation regulation model for processing to obtain real-time geomagnetic picture angle information and display geomagnetic picture angle information;
s402, performing double-factor rotation difference processing according to the real-time geomagnetic picture angle information and the display geomagnetic picture angle information through a preset rotation processing model to obtain compass disc picture rotation data information.
After determining effective real-time geomagnetic data information and current geomagnetic data information to be displayed, converting the data information into display angle information, inputting the data into a preset picture rotation regulation model, and calculating the model to obtain real-time geomagnetic picture angle information and display geomagnetic picture angle information respectively; in order to obtain disc picture rotation data information more accurately, performing double-factor rotation difference processing on the obtained real-time geomagnetic picture angle information and display geomagnetic picture angle information through a preset rotation processing model to obtain compass disc picture rotation data information accurately, namely, how much the current display disc picture should rotate, and specifically, the double-factor rotation difference processing formula is as follows:
；
wherein ,is a function->At the value of point p= (x, y), q11= (-)>，/>）、Q12=（/>，/>）、Q21=(/>,/>) Q22= (-i)>,/>) Respectively is a function->The value of 4 points above.
According to the embodiment of the invention, the compass disc display image information is obtained by mapping the compass disc picture rotation data information and the time information and rotating the disc original image, specifically:
mapping and correlating the compass disc picture rotation data information with the time information to obtain real-time disc picture rotation information;
and inputting the real-time disc picture rotation information into a preset disc image processing model to rotate the original disc image, so as to obtain compass disc display image information and store the compass disc display image information into a cache area.
It should be noted that, because the state of the compass is possible to move at any time, the real-time geomagnetic data information and the currently displayed geomagnetic data information are also possible to change at any time, and the compass disc picture rotation data information is also changed continuously, and because the data is updated continuously, the sequence and the uniqueness of the data are distinguished, so that the compass disc picture rotation data information is required to be mapped and correlated with the time information, and the latest state value and the instantaneity of the real-time disc picture rotation information are ensured; inputting the real-time disc picture rotation information into a preset disc image processing model, performing rotation operation on the original disc image to obtain compass disc display image information, and storing the compass disc display image information into a buffer area.
According to an embodiment of the present invention, the displaying the compass disk display image information on the wearable device includes:
inputting the compass display image information in the cache area into a preset compass graphic display model;
the compass graphic display model corrects the compass disc display image information according to the preset size and resolution of a display screen of the intelligent device;
and sending the corrected compass disk display image information to a screen display module, and refreshing and displaying screen display contents.
It should be noted that, the display image information of the compass disk in the buffer area is displayed on the screen, and still needs to be calculated and corrected, the display image information of the compass disk is input into a preset compass display model, and the display image information of the compass disk is corrected according to the preset display screen size and resolution of the intelligent wearing equipment because the information such as the screen size and resolution of the intelligent wearing equipment are inconsistent, and then the corrected display image information of the compass disk is sent to the screen display module to refresh and display the screen display content.
According to an embodiment of the present invention, the inputting the effective real-time geomagnetic data information and the currently displayed geomagnetic data information into a preset picture rotation regulation model is performed to obtain compass disc picture rotation data information, and the method further includes:
The compass disc picture rotation data information comprises rotation inclination compensation angle data;
the calculation formula of the rotation inclination compensation angle data is as follows:
；
wherein ,compensating angle data for rotational tilt, < >>For determining the rotation direction sign +.>For the real-time geomagnetic declination,to display geomagnetic inclination angle->For the tan function->Is magnetic force in X-axis direction->Is magnetic force in the Y-axis direction.
When the compass disk image rotation data information is obtained, the direction and the angle of the tilt compensation angle can be determined by calculating the tilt compensation angle through a formula in order to improve the display accuracy.
It should be noted that the present invention further includes:
after the compass disc display image information is displayed on the wearable device, the intelligent wearable device reports the direction, angle and current real-time azimuth information of the current compass rotation operation.
After the wearable device displays, the direction, the angle and the current real-time azimuth information of the current compass rotation operation are broadcast, so that a user can know the rotation azimuth change, the rotation angle and the current real-time azimuth information easily, and on the other hand, a vision handicapped can clearly know the current azimuth change, and better help is provided.
It should be noted that the present invention further includes:
when the compass function of the intelligent wearable device is realized, the corresponding magnetic field intensity of the positioning data of the intelligent wearable device in the database is obtained, the corresponding magnetic field intensity is compared with the real-time magnetic field intensity, the comparison result is compared with a preset threshold value, and corresponding prompt information is output.
It should be noted that, the obtained positioning data of the intelligent wearable device include longitude and latitude, altitude and other information of the device, and the real-time magnetic field strength is compared with the corresponding magnetic field strength in the database according to the matching of the positioning data and the corresponding magnetic field strength in the database, if the strength ratio exceeds the preset threshold value by 20%, the intelligent device can send out an early warning prompt, and a magnetic field or other factors affecting the accurate display of the compass may exist nearby.
As shown in fig. 5, the invention also discloses a compass function implementation system 5 based on an intelligent wearable device, which comprises a memory 51 and a processor 52, wherein the memory comprises an intelligent wearable device compass function implementation method program, and the intelligent wearable device compass function implementation method program realizes the following steps when being executed by the processor:
acquiring current display geomagnetic data information, real-time geomagnetic data information and time information of a compass of the wearable equipment;
Preprocessing the real-time geomagnetic data information to obtain effective real-time geomagnetic data information;
inputting the effective real-time geomagnetic data information and the current geomagnetic data information to a preset picture rotation regulation model for processing to obtain compass disc picture rotation data information;
mapping according to the compass disc picture rotation data information and the time information and rotating the disc original image to obtain compass disc display image information;
and displaying the compass disc display image information on the wearable equipment.
It should be noted that, because the positions and the orientations of the geomagnetic data information are different, in this embodiment, in order to implement the compass disk rotation function of the intelligent wearable device, firstly, the geomagnetic data information, the real-time geomagnetic data information and the time information of the current display of the compass of the wearable device are collected, the geomagnetic data information of the current display includes the magnetic field intensity information, the magnetic declination angle information and the magnetic declination angle information, and the geomagnetic data information of the real-time includes the magnetic field intensity information, the magnetic declination angle information and the magnetic declination angle information of the real-time, and in order to ensure the accuracy of the geomagnetic data of the real-time, the geomagnetic data information of the real-time is preprocessed, and the preprocessing process is specifically as follows: firstly, calculating a real-time geomagnetic data information expected value, calculating a real-time geomagnetic dispersion value according to the expected value, wherein the dispersion value reflects the fluctuation of data, and in order to ensure the effectiveness and stability of a group of real-time geomagnetic data information, reserving the real-time geomagnetic data information with the dispersion smaller than a preset dispersion threshold value, discarding the real-time geomagnetic data information with the dispersion larger than the preset dispersion threshold value, and further determining effective real-time geomagnetic data information; inputting the effective real-time geomagnetic data information and the current geomagnetic data information to a preset picture rotation regulation model for processing to obtain compass disc picture rotation data information, wherein the specific modes are as follows: obtaining effective real-time geomagnetic picture angle information and displaying geomagnetic picture angle information, performing double-factor rotation difference processing through a preset rotation processing model to obtain compass disc picture rotation data information, mapping and connecting the compass disc picture rotation data information with time information in parallel to obtain real-time disc picture rotation information, calculating inclination compensation angle direction and degree by wearing equipment disc display, rotating a disc image through a disc image processing model to obtain compass disc display image information, and correcting the compass disc display image information to the most suitable state according to the size and resolution of a display screen of the intelligent wearing equipment when the compass disc display image information is displayed, so that the compass disc image rotation is realized, and a technology for enabling a user to quickly and accurately distinguish the current direction is facilitated.
According to the embodiment of the invention, the acquiring of the geomagnetic data information, the real-time geomagnetic data information and the time information of the current display of the compass of the wearable device is specifically as follows:
acquiring current geomagnetic data information of a compass of the wearable equipment, wherein the current geomagnetic data information comprises magnetic field intensity information, magnetic declination angle information and magnetic inclination angle information;
acquiring real-time geomagnetic data information of the compass, wherein the real-time geomagnetic data information comprises real-time magnetic field intensity information, real-time magnetic declination information and real-time magnetic inclination angle information;
and acquiring time information of the compass.
It should be noted that, geomagnetic data information includes three factors, namely: magnetic field strength information, declination information, and dip angle information; because the positions and the directions of the geomagnetic data information are different, the geomagnetic data information is required to be acquired before the compass disk picture rotation data information is calculated, and the rotation data can be accurately calculated by the basic data before and after the change.
According to an embodiment of the present invention, the preprocessing the real-time geomagnetic data information to obtain effective real-time geomagnetic data information includes:
preprocessing according to a plurality of real-time geomagnetic data information to obtain a real-time geomagnetic data information expected value;
Calculating to obtain a real-time geomagnetic dispersion value according to the real-time geomagnetic data information expected value, and reserving real-time geomagnetic data information corresponding to the real-time geomagnetic dispersion value smaller than a preset dispersion threshold value;
and marking the reserved real-time geomagnetic data information as effective real-time geomagnetic data information.
It should be noted that, in the same position, geomagnetic data information with different heights and directions may have larger deviation, so after several groups of real-time geomagnetic data information are measured, preprocessing is performed first to obtain effective real-time geomagnetic data information, the real-time geomagnetic data information is more accurately represented, and the preprocessing process firstly obtains the expected value of the real-time geomagnetic data information through calculation, and the calculation formula is as follows:
；
wherein ,for geomagnetic data information expectation value, +.>、/>....../>Is +.>Personal geomagnetic data information,>the real-time geomagnetic dispersion value is obtained by calculating the number of a group of geomagnetic data information according to the expected value, and the calculation formula is as follows:
；
wherein ,for real-time geomagnetic dispersion value, +.>Is the number of geomagnetic data information of a group, < ->Is->Personal geomagnetic data information,>the expected value is the real-time geomagnetic data information;
the dispersion value reflects the fluctuation of the data, so that the real-time geomagnetic data information with the dispersion smaller than a preset dispersion threshold value is reserved for ensuring the effectiveness and stability of a group of real-time geomagnetic data information, the real-time geomagnetic data information with the dispersion larger than the preset dispersion threshold value is discarded, and further effective real-time geomagnetic data information is determined.
According to an embodiment of the present invention, the inputting the effective real-time geomagnetic data information and the currently displayed geomagnetic data information into a preset picture rotation regulation model for processing to obtain compass disc picture rotation data information includes:
inputting the effective real-time geomagnetic data information and the current display geomagnetic data information into a preset picture rotation regulation model for processing to obtain real-time geomagnetic picture angle information and display geomagnetic picture angle information;
and carrying out double-factor rotation difference processing according to the real-time geomagnetic picture angle information and the display geomagnetic picture angle information through a preset rotation processing model to obtain compass disc picture rotation data information.
After determining effective real-time geomagnetic data information and current geomagnetic data information to be displayed, converting the data information into display angle information, inputting the data into a preset picture rotation regulation model, and calculating the model to obtain real-time geomagnetic picture angle information and display geomagnetic picture angle information respectively; in order to obtain disc picture rotation data information more accurately, performing double-factor rotation difference processing on the obtained real-time geomagnetic picture angle information and display geomagnetic picture angle information through a preset rotation processing model to obtain compass disc picture rotation data information accurately, namely, how much the current display disc picture should rotate, and specifically, the double-factor rotation difference processing formula is as follows:
；
wherein ,is a function->At the value of point p= (x, y), q11= (-)>，/>）、Q12=（/>，/>）、Q21=(/>,/>) Q22= (-i)>,/>) Respectively is a function->The value of 4 points above.
According to the embodiment of the invention, the compass disc display image information is obtained by mapping the compass disc picture rotation data information and the time information and rotating the disc original image, specifically:
mapping and correlating the compass disc picture rotation data information with the time information to obtain real-time disc picture rotation information;
and inputting the real-time disc picture rotation information into a preset disc image processing model to rotate the original disc image, so as to obtain compass disc display image information and store the compass disc display image information into a cache area.
It should be noted that, because the state of the compass is possible to move at any time, the real-time geomagnetic data information and the currently displayed geomagnetic data information are also possible to change at any time, and the compass disc picture rotation data information is also changed continuously, and because the data is updated continuously, the sequence and the uniqueness of the data are distinguished, so that the compass disc picture rotation data information is required to be mapped and correlated with the time information, and the latest state value and the instantaneity of the real-time disc picture rotation information are ensured; inputting the real-time disc picture rotation information into a preset disc image processing model, performing rotation operation on the original disc image to obtain compass disc display image information, and storing the compass disc display image information into a buffer area.
According to an embodiment of the present invention, the displaying the compass disk display image information on the wearable device includes:
inputting the compass display image information in the cache area into a preset compass graphic display model;
the compass graphic display model corrects the compass disc display image information according to the preset size and resolution of a display screen of the intelligent device;
and sending the corrected compass disk display image information to a screen display module, and refreshing and displaying screen display contents.
It should be noted that, the display image information of the compass disk in the buffer area is displayed on the screen, and still needs to be calculated and corrected, the display image information of the compass disk is input into a preset compass display model, and the display image information of the compass disk is corrected according to the preset display screen size and resolution of the intelligent wearing equipment because the information such as the screen size and resolution of the intelligent wearing equipment are inconsistent, and then the corrected display image information of the compass disk is sent to the screen display module to refresh and display the screen display content.
According to an embodiment of the present invention, the inputting the effective real-time geomagnetic data information and the currently displayed geomagnetic data information into a preset picture rotation regulation model is performed to obtain compass disc picture rotation data information, and the method further includes:
The compass disc picture rotation data information comprises rotation inclination compensation angle data;
the calculation formula of the rotation inclination compensation angle data is as follows:
；
wherein ,compensating angle data for rotational tilt, < >>For determining the rotation direction sign +.>For real-time geomagnetic drift angle->To display geomagnetic inclination angle->For the tan function->Is magnetic force in X-axis direction->Is magnetic force in the Y-axis direction.
When the compass disk image rotation data information is obtained, the direction and the angle of the tilt compensation angle can be determined by calculating the tilt compensation angle through a formula in order to improve the display accuracy.
It should be noted that the present invention further includes:
after the compass disc display image information is displayed on the wearable device, the intelligent wearable device reports the direction, angle and current real-time azimuth information of the current compass rotation operation.
After the wearable device displays, the direction, the angle and the current real-time azimuth information of the current compass rotation operation are broadcast, so that a user can know the rotation azimuth change, the rotation angle and the current real-time azimuth information easily, and on the other hand, a vision handicapped can clearly know the current azimuth change, and better help is provided.
It should be noted that the present invention further includes:
when the compass function of the intelligent wearable device is realized, the corresponding magnetic field intensity of the positioning data of the intelligent wearable device in the database is obtained, the corresponding magnetic field intensity is compared with the real-time magnetic field intensity, the comparison result is compared with a preset threshold value, and corresponding prompt information is output.
It should be noted that, the obtained positioning data of the intelligent wearable device include longitude and latitude, altitude and other information of the device, and the real-time magnetic field strength is compared with the corresponding magnetic field strength in the database according to the matching of the positioning data and the corresponding magnetic field strength in the database, if the strength ratio exceeds the preset threshold value by 20%, the intelligent device can send out an early warning prompt, and a magnetic field or other factors affecting the accurate display of the compass may exist nearby.
The invention also provides a computer readable storage medium, which comprises a compass function implementation method program based on the intelligent wearable device, wherein the compass function implementation method program based on the intelligent wearable device realizes the steps of the compass function implementation method based on the intelligent wearable device according to any one of the above steps when being executed by a processor.
The application discloses a method, a system and a medium for realizing compass functions based on intelligent wearable equipment, wherein the method comprises the following steps: acquiring geomagnetic data information, real-time geomagnetic data information and time information which are currently displayed by a compass of a wearable device; preprocessing the real-time geomagnetic data information to obtain effective real-time geomagnetic data information; inputting the effective real-time geomagnetic data information and the current geomagnetic data information to a preset picture rotation regulation model for processing to obtain compass disc picture rotation data information; rotating the original disc image according to the compass disc image rotation data information and mapping the original disc image with the time information to obtain compass disc display image information; and displaying the compass disc display image information on the wearable equipment. According to the application, geomagnetic data information can be obtained according to the real-time position of the compass, and indication of the compass direction is realized through rotation of the disc image, so that a user can conveniently and quickly identify the current azimuth.
In the several embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above described device embodiments are only illustrative, e.g. the division of the units is only one logical function division, and there may be other divisions in practice, such as: multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. In addition, the various components shown or discussed may be coupled or directly coupled or communicatively coupled to each other via some interface, whether indirectly coupled or communicatively coupled to devices or units, whether electrically, mechanically, or otherwise.
The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units; can be located in one place or distributed to a plurality of network units; some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present invention may be integrated in one processing unit, or each unit may be separately used as one unit, or two or more units may be integrated in one unit; the integrated units may be implemented in hardware or in hardware plus software functional units.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the above method embodiments may be implemented by hardware related to program instructions, and the foregoing program may be stored in a readable storage medium, where the program, when executed, performs steps including the above method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk or an optical disk, or the like, which can store program codes.
Alternatively, the above-described integrated units of the present invention may be stored in a readable storage medium if implemented in the form of software functional modules and sold or used as separate products. Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in essence or a part contributing to the prior art in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, ROM, RAM, magnetic or optical disk, or other medium capable of storing program code.
Claims (6)
1. The compass function implementation method based on the intelligent wearable equipment is characterized by comprising the following steps of:
acquiring current display geomagnetic data information, real-time geomagnetic data information and time information of a compass of the wearable equipment;
preprocessing the real-time geomagnetic data information to obtain effective real-time geomagnetic data information;
inputting the effective real-time geomagnetic data information and the current geomagnetic data information to a preset picture rotation regulation model for processing to obtain compass disc picture rotation data information;
Mapping according to the compass disc picture rotation data information and the time information and rotating the disc original image to obtain compass disc display image information;
displaying the compass disc display image information on the wearable equipment;
the acquiring the current geomagnetic data information, the real-time geomagnetic data information and the time information of the compass of the wearable device comprises the following steps:
acquiring current geomagnetic data information of a compass of the wearable equipment, wherein the current geomagnetic data information comprises magnetic field intensity information, magnetic declination angle information and magnetic inclination angle information;
acquiring real-time geomagnetic data information of the compass, wherein the real-time geomagnetic data information comprises real-time magnetic field intensity information, real-time magnetic declination information and real-time magnetic inclination angle information;
acquiring time information of the compass;
the preprocessing the real-time geomagnetic data information to obtain effective real-time geomagnetic data information comprises the following steps:
preprocessing according to a plurality of real-time geomagnetic data information to obtain a real-time geomagnetic data information expected value;
calculating to obtain a real-time geomagnetic dispersion value according to the real-time geomagnetic data information expected value, and reserving real-time geomagnetic data information corresponding to the real-time geomagnetic dispersion value smaller than a preset dispersion threshold value;
Marking the reserved real-time geomagnetic data information as effective real-time geomagnetic data information;
inputting the effective real-time geomagnetic data information and the current geomagnetic data information to a preset picture rotation regulation model for processing to obtain compass disc picture rotation data information, wherein the method comprises the following steps of:
inputting the effective real-time geomagnetic data information and the current display geomagnetic data information into a preset picture rotation regulation model for processing to obtain real-time geomagnetic picture angle information and display geomagnetic picture angle information;
and carrying out double-factor rotation difference processing according to the real-time geomagnetic picture angle information and the display geomagnetic picture angle information through a preset rotation processing model to obtain compass disc picture rotation data information.
2. The compass function implementation method based on the intelligent wearable device according to claim 1, wherein the mapping is performed according to the compass disc picture rotation data information and the time information, and the disc original image is rotated, so as to obtain compass disc display image information, specifically:
mapping and correlating the compass disc picture rotation data information with the time information to obtain real-time disc picture rotation information;
And inputting the real-time disc picture rotation information into a preset disc image processing model to rotate the original disc image, so as to obtain compass disc display image information and store the compass disc display image information into a cache area.
3. The method for implementing the compass function based on the intelligent wearable device according to claim 2, wherein the displaying the compass disc display image information on the wearable device comprises:
inputting the compass display image information in the cache area into a preset compass graphic display model;
the compass graphic display model corrects the compass disc display image information according to the preset size and resolution of a display screen of the intelligent device;
and sending the corrected compass disk display image information to a screen display module, and refreshing and displaying screen display contents.
4. The method for implementing the compass function based on the intelligent wearable device according to claim 1, wherein the inputting the valid real-time geomagnetic data information and the currently displayed geomagnetic data information into a preset picture rotation regulation model is performed to obtain compass disc picture rotation data information, and further comprises:
The compass disc picture rotation data information comprises rotation inclination compensation angle data;
the calculation formula of the rotation inclination compensation angle data is as follows:
；
wherein ,compensating angle data for rotational tilt, < >>For determining the rotation direction sign +.>For real-time geomagnetic drift angle->To display geomagnetic inclination angle->As an arctangent function, +.>Is magnetic force in X-axis direction->Is magnetic force in the Y-axis direction.
5. Compass function realization system based on intelligent wearing equipment, which is characterized in that the system comprises: the intelligent wearable device compass function implementation method comprises a memory and a processor, wherein the memory comprises a program based on the intelligent wearable device compass function implementation method, and the program based on the intelligent wearable device compass function implementation method realizes the following steps when being executed by the processor:
acquiring current display geomagnetic data information, real-time geomagnetic data information and time information of a compass of the wearable equipment;
preprocessing the real-time geomagnetic data information to obtain effective real-time geomagnetic data information;
inputting the effective real-time geomagnetic data information and the current geomagnetic data information to a preset picture rotation regulation model for processing to obtain compass disc picture rotation data information;
Mapping according to the compass disc picture rotation data information and the time information and rotating the disc original image to obtain compass disc display image information;
displaying the compass disc display image information on the wearable equipment;
the acquiring the current geomagnetic data information, the real-time geomagnetic data information and the time information of the compass of the wearable device comprises the following steps:
acquiring current geomagnetic data information of a compass of the wearable equipment, wherein the current geomagnetic data information comprises magnetic field intensity information, magnetic declination angle information and magnetic inclination angle information;
acquiring real-time geomagnetic data information of the compass, wherein the real-time geomagnetic data information comprises real-time magnetic field intensity information, real-time magnetic declination information and real-time magnetic inclination angle information;
acquiring time information of the compass;
the preprocessing the real-time geomagnetic data information to obtain effective real-time geomagnetic data information comprises the following steps:
preprocessing according to a plurality of real-time geomagnetic data information to obtain a real-time geomagnetic data information expected value;
calculating to obtain a real-time geomagnetic dispersion value according to the real-time geomagnetic data information expected value, and reserving real-time geomagnetic data information corresponding to the real-time geomagnetic dispersion value smaller than a preset dispersion threshold value;
Marking the reserved real-time geomagnetic data information as effective real-time geomagnetic data information;
inputting the effective real-time geomagnetic data information and the current geomagnetic data information to a preset picture rotation regulation model for processing to obtain compass disc picture rotation data information, wherein the method comprises the following steps of:
inputting the effective real-time geomagnetic data information and the current display geomagnetic data information into a preset picture rotation regulation model for processing to obtain real-time geomagnetic picture angle information and display geomagnetic picture angle information;
and carrying out double-factor rotation difference processing according to the real-time geomagnetic picture angle information and the display geomagnetic picture angle information through a preset rotation processing model to obtain compass disc picture rotation data information.
6. A computer readable storage medium, wherein the computer readable storage medium includes a compass function implementation method program based on an intelligent wearable device, and when the compass function implementation method program based on the intelligent wearable device is executed by a processor, the steps of the compass function implementation method based on the intelligent wearable device according to any one of claims 1 to 4 are implemented.
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| CN102255991A (en) * | 2010-05-21 | 2011-11-23 | 希姆通信息技术（上海）有限公司 | Method for realizing function of compass and applied to handheld mobile terminal system |
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| CN102255991A (en) * | 2010-05-21 | 2011-11-23 | 希姆通信息技术（上海）有限公司 | Method for realizing function of compass and applied to handheld mobile terminal system |
| CN102313543A (en) * | 2011-07-11 | 2012-01-11 | 上海大学 | Magnetic azimuth measuring system based on giant magneto-resistance sensor, measurement method and perpendicular compensation method |
| CN110657794A (en) * | 2019-08-21 | 2020-01-07 | 努比亚技术有限公司 | Compass calibration method of wearable device, wearable device and storage medium |
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