CN117912426A - Screen brightness adjusting method and device of intelligent glasses, computer equipment and medium - Google Patents

Screen brightness adjusting method and device of intelligent glasses, computer equipment and medium Download PDF

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Publication number
CN117912426A
CN117912426A CN202211249511.8A CN202211249511A CN117912426A CN 117912426 A CN117912426 A CN 117912426A CN 202211249511 A CN202211249511 A CN 202211249511A CN 117912426 A CN117912426 A CN 117912426A
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China
Prior art keywords
screen brightness
pupil diameter
intelligent glasses
adjusting
pupil
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刘协泉
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Guangzhou Shixiang Technology Co Ltd
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Guangzhou Shixiang Technology Co Ltd
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Priority to CN202211249511.8A priority Critical patent/CN117912426A/en
Publication of CN117912426A publication Critical patent/CN117912426A/en
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The application relates to a screen brightness adjusting method, a device, computer equipment and a medium of intelligent glasses, wherein the method comprises the following steps: when a user wears intelligent glasses, acquiring a first screen brightness value of the intelligent glasses and a first pupil diameter of the user; obtaining a second pupil diameter corresponding to the first screen brightness value according to a preset mapping relation between the screen brightness value and the pupil diameter; the second pupil diameter is used for indicating the pupil diameter corresponding to the first screen brightness value when the user wears the intelligent glasses under the condition that no ambient light is interfered; and if the deviation between the first pupil diameter and the second pupil diameter is not in the preset threshold range, adjusting the screen brightness of the intelligent glasses. According to the embodiment of the application, the screen brightness of the intelligent glasses is regulated according to the pupil diameter, and an additional light sensor is not required to be installed, so that the cost is reduced.

Description

Screen brightness adjusting method and device of intelligent glasses, computer equipment and medium
Technical Field
The present application relates to the technical field of intelligent glasses, and in particular, to a method and apparatus for adjusting screen brightness of an intelligent glasses, a computer device, and a medium.
Background
The smart glasses are devices capable of completing functions of photographing, photographing video, playing video call with friends through voice or action control, and include VR (virtual reality) glasses, AR (Augmented Reality) glasses and MR (mixed reality) glasses.
In the intelligent glasses needing to see the outside, the brightness of the outside environment light can influence the screen display effect of the intelligent glasses. Specifically, when the external environment light brightness is low, the screen brightness of the intelligent glasses is too bright, so that eyes can be damaged. When the external environment brightness is high, people can not see the content displayed on the screen of the intelligent glasses clearly.
In the prior art, a light sensor is arranged on the intelligent glasses, and the brightness of the screen is automatically adjusted by detecting the brightness of the external environment through the light sensor. However, this approach requires additional light sensors to be mounted on the smart glasses, increasing costs while limiting the structural design of the smart glasses.
Disclosure of Invention
Based on the above, the application aims to provide a screen brightness adjusting method, a device, a computer device and a medium of intelligent glasses, which can automatically adjust the screen brightness and reduce the cost.
According to a first aspect of an embodiment of the present application, there is provided a screen brightness adjusting method for smart glasses, including the steps of:
when a user wears intelligent glasses, acquiring a first screen brightness value of the intelligent glasses and a first pupil diameter of the user;
Obtaining a second pupil diameter corresponding to the first screen brightness value according to a preset mapping relation between the screen brightness value and the pupil diameter; the second pupil diameter is used for indicating the pupil diameter corresponding to the first screen brightness value when the user wears the intelligent glasses under the condition that no ambient light is interfered;
and if the deviation between the first pupil diameter and the second pupil diameter is not in the preset threshold range, adjusting the screen brightness of the intelligent glasses.
According to a second aspect of an embodiment of the present application, there is provided a screen brightness adjusting device for smart glasses, including:
The system comprises a screen brightness value acquisition module, a first pupil diameter acquisition module and a second pupil diameter acquisition module, wherein the screen brightness value acquisition module is used for acquiring a first screen brightness value of the intelligent glasses and a first pupil diameter of a user when the user wears the intelligent glasses;
The pupil diameter obtaining module is used for obtaining a second pupil diameter corresponding to the first screen brightness value according to a preset mapping relation between the screen brightness value and the pupil diameter; the second pupil diameter is used for indicating the pupil diameter corresponding to the first screen brightness value when the user wears the intelligent glasses under the condition that no ambient light is interfered;
and the screen brightness adjusting module is used for adjusting the screen brightness of the intelligent glasses if the deviation between the first pupil diameter and the second pupil diameter is not in a preset threshold range.
According to a third aspect of an embodiment of the present application, there is provided a computer apparatus comprising: a processor and a memory; wherein the memory stores a computer program adapted to be loaded by the processor and to perform the method for adjusting the screen brightness of the smart glasses according to any one of the above.
According to a fourth aspect of embodiments of the present application, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method for adjusting screen brightness of smart glasses as set forth in any one of the above.
According to the embodiment of the application, when a user wears the intelligent glasses, a first screen brightness value of the intelligent glasses and a first pupil diameter of the user are obtained; obtaining a second pupil diameter corresponding to the first screen brightness value according to a preset mapping relation between the screen brightness value and the pupil diameter; the second pupil diameter is used for indicating the pupil diameter corresponding to the first screen brightness value when the user wears the intelligent glasses under the condition that no ambient light is interfered; and if the deviation between the first pupil diameter and the second pupil diameter is not in the preset threshold range, adjusting the screen brightness of the intelligent glasses. According to the embodiment of the application, the screen brightness of the intelligent glasses is regulated according to the pupil diameter, and an additional light sensor is not required to be installed, so that the cost is reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
For a better understanding and implementation, the present invention is described in detail below with reference to the drawings.
Drawings
Fig. 1 is a flowchart illustrating a method for adjusting screen brightness of smart glasses according to an embodiment of the present application;
fig. 2 is a flowchart illustrating a step S301 in a method for adjusting screen brightness of smart glasses according to an embodiment of the present application;
fig. 3 is a flowchart illustrating a step S30 in a method for adjusting screen brightness of smart glasses according to an embodiment of the present application;
Fig. 4 is a flowchart illustrating a step S33 in a method for adjusting screen brightness of smart glasses according to an embodiment of the present application;
fig. 5 is a block diagram illustrating a screen brightness adjusting apparatus of smart glasses according to an embodiment of the present application;
fig. 6 is a schematic block diagram of an electronic device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the following detailed description of the embodiments of the present application will be given with reference to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terminology used in the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application as detailed in the accompanying claims. In the description of the present application, it should be understood that the terms "first," "second," "third," and the like are used merely to distinguish between similar objects and are not necessarily used to describe a particular order or sequence, nor should they be construed to indicate or imply relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present application, unless otherwise indicated, "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
In order to better understand the technical scheme of the application, intelligent glasses in some technologies are briefly introduced here. The intelligent glasses comprise a main control device and a glasses assembly; the main control device comprises a main control chip, and the main control chip is used for processing signals transmitted by the glasses component and controlling the glasses component. The glasses assembly comprises a display screen and a camera, wherein the display screen is used for receiving and displaying image information transmitted by the main control chip, and the camera is used for receiving and shooting control signals transmitted by the main control chip.
In the embodiment of the application, the main control device comprises a screen brightness adjusting chip, and the screen brightness adjusting chip can execute the screen brightness adjusting method of the intelligent glasses provided in the embodiment of the application. The camera in the glasses assembly can receive the control signal of the screen brightness adjusting chip to shoot. Optionally, the screen brightness adjusting chip may be externally arranged on the intelligent glasses, and is connected with the intelligent glasses in a wired or wireless manner, so as to execute the screen brightness adjusting method of the intelligent glasses provided by the embodiment of the application.
Example 1
Fig. 1 is a flowchart illustrating a method for adjusting screen brightness of smart glasses according to an embodiment of the application. The screen brightness adjusting method of the intelligent glasses provided by the embodiment of the application comprises the following steps:
s10: when a user wears the intelligent glasses, a first screen brightness value of the intelligent glasses and a first pupil diameter of the user are obtained.
In the embodiment of the application, the first screen brightness value is the current screen brightness value of the display screen of the intelligent glasses when the user wears the intelligent glasses. The screen brightness adjusting chip can acquire a first screen brightness value from the main control device of the intelligent glasses, and specifically, the main control device of the intelligent glasses is connected with the display screen, so that the screen brightness value of the display screen can be acquired in real time. The screen brightness adjusting chip can also directly acquire the first screen brightness value from the display screen of the intelligent glasses.
The first pupil diameter is the current pupil diameter of the user under the action of the current screen brightness of the intelligent glasses and the brightness of the external environment when the user wears the intelligent glasses. The screen brightness adjusting chip can be started by controlling the camera so as to collect eyeball images of a user, and the pupil diameter of the user is obtained from the eyeball images by utilizing an image recognition and image segmentation algorithm.
Specifically, the screen brightness adjusting chip periodically controls the starting of the camera, so that the first pupil diameter is periodically obtained.
S20: obtaining a second pupil diameter corresponding to the first screen brightness value according to a preset mapping relation between the screen brightness value and the pupil diameter; the second pupil diameter is used for indicating the pupil diameter corresponding to the first screen brightness value when the user wears the intelligent glasses under the condition that no ambient light is interfered.
It can be understood that one screen brightness value in the preset mapping relationship between the screen brightness value and the pupil diameter corresponds to a unique pupil diameter, and the pupil diameter in the mapping relationship is the pupil diameter corresponding to the user wearing the intelligent glasses only under the action of the screen brightness under the condition that no ambient light is interfered. In fact, the absence of ambient light interference is an ideal situation, where ambient light interference can be reduced as much as possible.
Specifically, the outside ambient light around the display screen of the smart glasses is shielded, for example, after the user wears the smart glasses, the eye cover is worn again, and the outside light entering the eyeballs of the user is shielded through the eye cover, so that the pupil diameter under the effect of the current screen brightness of the smart glasses is obtained.
After the first screen brightness value is obtained, a corresponding second pupil diameter can be obtained according to the mapping relation,
In the embodiment of the application, the second pupil diameter is different from the first pupil diameter, and is the pupil diameter of the user only under the current screen brightness effect of the intelligent glasses when the user wears the intelligent glasses.
S30: and if the deviation between the first pupil diameter and the second pupil diameter is not in the preset threshold range, adjusting the screen brightness of the intelligent glasses.
The pupil diameter of the human eye is related to the brightness of the light entering the human eye. In a scene of wearing the intelligent glasses, the brightness of light entering human eyes is divided into two parts, wherein one part is the screen brightness of the intelligent glasses, the screen brightness is fixed, the other part is the external environment brightness, and the external environment brightness is changed. Therefore, in the case of knowing the screen brightness of the smart glasses, the change in the pupil diameter of the human eye can be regarded as a change caused by the external environment brightness.
In the embodiment of the application, the first pupil diameter and the second pupil diameter have deviation, namely the difference exists between the current screen brightness of the intelligent glasses and the external environment brightness. If the deviation between the first pupil diameter and the second pupil diameter is not within the preset threshold range, the fact that the difference between the current screen brightness of the intelligent glasses and the external environment brightness is large is indicated, and the current screen brightness of the intelligent glasses needs to be adjusted so that the difference between the adjusted screen brightness of the intelligent glasses and the external environment brightness is within a preset range is indicated.
And adjusting the screen brightness of the intelligent glasses according to the deviation between the first pupil diameter and the second pupil diameter. Specifically, the target screen brightness corresponding to the first pupil diameter can be determined according to the deviation between the first pupil diameter and the second pupil diameter, and the screen brightness of the intelligent glasses is adjusted from the current screen brightness to the target screen brightness. The adjustment direction of the screen brightness of the intelligent glasses can be determined according to the deviation between the first pupil diameter and the second pupil diameter, and the screen brightness of the intelligent glasses is adjusted according to the adjustment direction and the preset screen brightness adjustment step length.
If the deviation between the first pupil diameter and the second pupil diameter is within the preset threshold range, the screen brightness of the intelligent glasses does not need to be adjusted.
By applying the embodiment of the application, the first screen brightness value of the intelligent glasses and the first pupil diameter of the user are obtained when the user wears the intelligent glasses; obtaining a second pupil diameter corresponding to the first screen brightness value according to a preset mapping relation between the screen brightness value and the pupil diameter; the second pupil diameter is used for indicating the pupil diameter corresponding to the first screen brightness value when the user wears the intelligent glasses under the condition that no ambient light is interfered; and if the deviation between the first pupil diameter and the second pupil diameter is not in the preset threshold range, adjusting the screen brightness of the intelligent glasses. According to the embodiment of the application, the screen brightness of the intelligent glasses is regulated according to the pupil diameter, and an additional light sensor is not required to be installed, so that the cost is reduced.
In an optional embodiment, step S20 includes steps S11 to S12 before the step of obtaining the second pupil diameter corresponding to the first screen brightness value according to the preset mapping relationship between the screen brightness value and the pupil diameter, specifically as follows:
s11: under the condition of no ambient light interference, acquiring a plurality of pupil diameters corresponding to a plurality of screen brightness values when a user wears intelligent glasses;
In the embodiment of the application, after the user wears the intelligent glasses, the user wears the eyeshade, so that the interference of external environment light is minimized. And determining the upper limit and the lower limit of the screen brightness value of the intelligent glasses to obtain the adjustment range of the screen brightness value of the intelligent glasses. And randomly selecting a plurality of screen brightness values from the adjustment range, controlling the screen brightness of the intelligent glasses to be the selected plurality of screen brightness values respectively, and recording the user pupil diameter corresponding to each screen brightness value. Or selecting a plurality of screen brightness values from small to large or from large to small according to a certain screen brightness step length, controlling the screen brightness of the intelligent glasses to be the selected plurality of screen brightness values respectively, and recording the user pupil diameter corresponding to each screen brightness value.
S12: and (3) corresponding the screen brightness values to the pupil diameters one by one, and establishing a mapping relation between the screen brightness values and the pupil diameters.
In the embodiment of the present application, the mapping relationship between the screen brightness value and the pupil diameter may be established by directly corresponding the plurality of screen brightness values to the plurality of pupil diameters one by one, and specifically, the mapping relationship may be expressed as a mapping table, for example, (L1, D1), (L2, D2), (Ln, dn). Wherein, L1, L2, & gt. Ln represents a different screen brightness value, D1, D2, &..and Dn represent pupil diameters of the user in the case of screen brightness L1, L2, &..and Ln, respectively.
Or, a plurality of screen brightness values and a plurality of pupil diameters are linearly fitted, a function or a curve is obtained, and then the corresponding pupil diameters can be determined for any screen brightness value according to the function or the curve.
By obtaining the pupil diameters corresponding to different screen brightness values, the mapping relation between the screen brightness values and the pupil diameters can be automatically and quickly established.
In an optional embodiment, step S11 includes the step of acquiring a plurality of pupil diameters corresponding to a plurality of screen brightness values when the user wears the smart glasses without interference of ambient light, including step S110, specifically including the following steps:
S110: under the condition of no ambient light interference, controlling the screen brightness of the intelligent glasses to gradually increase from dark to light or gradually decrease from light to dark according to a preset screen brightness adjustment step length, and obtaining a plurality of pupil diameters corresponding to a plurality of screen brightness values when a user wears the intelligent glasses.
In the embodiment of the application, after the user wears the intelligent glasses, the user wears the eyeshade, so that the interference of external environment light is minimized. And controlling the screen brightness of the intelligent glasses to gradually increase from dark to bright or gradually decrease from bright to dark according to a preset screen brightness adjustment step length, and recording the pupil diameter of the user corresponding to each screen brightness value until the screen brightness of the intelligent glasses reaches the maximum brightness of eye safety, and stopping recording the pupil diameter of the user.
According to the preset screen brightness adjustment step length, the screen brightness of the intelligent glasses is gradually increased from dark to bright or gradually decreased from bright to dark, so that the screen brightness of the intelligent glasses can be slowly changed, and discomfort brought to a user due to sudden change of the screen brightness is avoided.
In an alternative embodiment, the users include calibrated users and uncalibrated users; the calibrated user is a user who establishes a mapping relation between the screen brightness value and the pupil diameter; the uncalibrated user is a user who does not establish the mapping relation between the screen brightness value and the pupil diameter, and before step S11, the uncalibrated user comprises S111-S112, and the method specifically comprises the following steps:
s111: when a user wears intelligent glasses, iris detection is carried out on the user, and an iris detection result is obtained;
s112: if the iris detection result indicates that the user is not calibrated, under the condition that no ambient light is interfered, a plurality of pupil diameters corresponding to a plurality of screen brightness values are obtained when the user wears the intelligent glasses.
In the embodiment of the application, different pupil diameters of users are different under the same screen brightness. Therefore, for each user, a mapping relationship between the screen brightness value and the pupil diameter needs to be established. Marking the users with the established mapping relation as calibrated users, storing the mapping relation in the memory of the intelligent glasses, and marking the users without the established mapping relation as uncalibrated users.
After the user wears the intelligent glasses, whether the user is a calibrated user needs to be verified, if the user is the calibrated user, the mapping relation between the screen brightness value and the pupil diameter does not need to be established for the user, and the mapping relation corresponding to the user in the memory is directly called. If the user is a calibration user, a mapping relation between the screen brightness value and the pupil diameter needs to be established for the user.
And verifying whether the user is a calibrated user or not, wherein the user identity can be identified according to the iris detection result obtained by iris detection of the user. Or when the user uses the intelligent glasses, the user inputs the user identification, and the user identity is identified according to the user identification.
Optionally, the previously established mapping relationship may not have high accuracy or precision in consideration of improvement of pupil diameter recognition algorithm of the smart glasses or improvement of screen brightness value adjustment sensitivity. Therefore, after verifying that the user is a calibrated user, a calibration interface can be displayed on the display screen of the intelligent glasses to prompt the user whether to need recalibration, and if the user confirms recalibration, the mapping relation between the screen brightness value and the pupil diameter is reestablished for the user.
In an alternative embodiment, if the deviation between the first pupil diameter and the second pupil diameter is not within the preset threshold range in step S30, before the step of adjusting the screen brightness of the smart glasses, step S301 is included, which specifically includes the following steps:
s301: obtaining a slope parameter according to the mapping relation; the slope parameter is used to indicate the relationship of pupil diameter as a function of screen brightness value.
In the embodiment of the application, a preset number of screen brightness values and corresponding pupil diameters can be selected from the mapping table corresponding to the mapping relation, and the preset number of screen brightness values and the corresponding pupil diameters are subjected to linear fitting to obtain slope parameters of the pupil diameters changing along with the screen brightness values. And linear fitting can be performed on all the screen brightness values and the corresponding pupil diameters in the mapping table corresponding to the mapping relation, so as to obtain slope parameters of the pupil diameters along with the change of the screen brightness values.
If the deviation between the first pupil diameter and the second pupil diameter is not within the preset threshold range, the step of adjusting the screen brightness of the intelligent glasses includes steps S31 to S32, specifically as follows:
s31: obtaining a target screen brightness value corresponding to the first pupil diameter according to the slope parameter and the deviation between the first pupil diameter and the second pupil diameter;
S32: and adjusting the screen brightness to a target screen brightness value so that the adjusted screen brightness is in a human eye comfort range.
In the embodiment of the application, since the change of brightness causes the change of the pupil diameter, the change of the pupil diameter also reflects the change of brightness. The slope parameter reflects the change of the pupil diameter with the screen brightness, and it can be approximately understood that the slope parameter may reflect the change of the pupil diameter with the screen brightness and the ambient light brightness. Therefore, the target screen brightness value corresponding to the first pupil diameter can be obtained through the slope parameter and the deviation between the first pupil diameter and the second pupil diameter.
After the target screen brightness value is determined, the current screen brightness of the intelligent glasses can be directly adjusted to the target screen brightness, so that the adjusted screen brightness is in a human eye comfort range, and the efficiency of screen brightness adjustment is improved.
In an alternative embodiment, referring to fig. 2, step S301 includes steps S302 to S303, which are specifically as follows:
s302: under the condition of no ambient light interference, acquiring a plurality of pupil diameters corresponding to a plurality of screen brightness values when a user wears intelligent glasses;
S303: and linearly fitting the screen brightness values and the corresponding pupil diameters to obtain slope parameters of the pupil diameters changing along with the screen brightness values.
The linear fitting is to find a best fit straight line for two or more sets of data by a least square method for processing dependent variables that are in linear relation to independent variables. In the embodiment of the application, the pupil diameter is found to be in a linear change relation with the screen brightness through multiple data collection. Therefore, a plurality of screen brightness values and corresponding pupil diameters can be linearly fitted, and slope parameters of the pupil diameters changing along with the screen brightness values can be automatically and rapidly obtained.
In an alternative embodiment, step S31 includes step S311, which is specifically as follows:
S311: multiplying the deviation between the first pupil diameter and the second pupil diameter by a slope parameter to obtain a product result; and taking the sum of the product result and the first screen brightness value as a target screen brightness value corresponding to the first pupil diameter.
In the embodiment of the application, since the slope parameter reflects the change of the pupil diameter along with the screen brightness, the slope parameter may be the ratio of the screen brightness change value to the pupil diameter change value. The screen brightness variation value can be obtained by multiplying the deviation between the first pupil diameter and the second pupil diameter by the slope parameter. And summing the screen brightness change value with the first screen brightness value to automatically and quickly obtain a target screen brightness value corresponding to the first pupil diameter.
In an alternative embodiment, referring to fig. 3, if the deviation between the first pupil diameter and the second pupil diameter is not within the preset threshold range in step S30, the step of adjusting the screen brightness of the smart glasses includes steps S33 to S36, which are specifically as follows:
S33: if the deviation between the first pupil diameter and the second pupil diameter is not in the preset threshold range, determining the screen brightness adjusting direction of the intelligent glasses according to the first pupil diameter and the second pupil diameter.
In the embodiment of the application, the screen brightness adjusting direction comprises two adjusting directions of adjusting the screen brightness to be higher and adjusting the screen brightness to be lower. And comparing the first pupil diameter with the second pupil diameter, and determining the screen brightness adjusting direction of the intelligent glasses according to the comparison result.
S34: and adjusting the screen brightness of the intelligent glasses according to the preset second screen brightness adjusting step length and the screen brightness adjusting direction.
In the embodiment of the application, the screen brightness of the intelligent glasses is slowly changed according to the preset second screen brightness adjustment step length, so that discomfort brought to a user by screen brightness abrupt change is avoided. Specifically, if the screen brightness adjustment direction is to adjust the screen brightness higher, the screen brightness of one step length is increased on the basis of the current screen brightness, and the adjusted screen brightness is obtained. If the screen brightness adjusting direction is to lower the screen brightness, reducing the screen brightness of one step on the basis of the current screen brightness to obtain the adjusted screen brightness.
S35: after the screen brightness of the intelligent glasses is adjusted each time, whether the deviation between the pupil diameter of the user wearing the intelligent glasses and the pupil diameter corresponding to the adjusted screen brightness value is within a preset threshold value range is judged.
In the embodiment of the application, after screen brightness adjustment of one step is performed each time, the pupil diameter corresponding to the adjusted screen brightness value is determined according to the mapping relation, and the deviation between the pupil diameter when the user wears the intelligent glasses and the pupil diameter corresponding to the adjusted screen brightness value is calculated according to the pupil diameter, acquired by the camera, of the user wearing the intelligent glasses, so that whether the deviation is in a preset threshold range is judged.
S36: if not, the screen brightness adjusting direction of the intelligent glasses is re-determined, and the screen brightness of the intelligent glasses is adjusted according to the preset second screen brightness adjusting step length and the re-determined screen brightness adjusting direction until the adjusted screen brightness is in the human eye comfort range.
In the embodiment of the application, if the deviation is not in the preset threshold range, the screen brightness is required to be adjusted. At this time, since the current comparison result of the pupil diameter corresponding to the adjusted screen brightness value when the user wears the smart glasses may be the same as or opposite to the comparison result before adjusting the screen brightness, it is necessary to re-determine the screen brightness adjustment direction of the smart glasses according to the current comparison result. And then, according to the preset second screen brightness adjustment step length and the redetermined screen brightness adjustment direction, adjusting the screen brightness of the intelligent glasses until the adjusted screen brightness is in a human eye comfort range.
If the deviation is within the preset threshold range, the adjusted screen brightness is within the human eye comfort range, and the screen brightness is not required to be adjusted.
Through the preset second screen brightness adjustment step length and the screen brightness adjustment direction, the screen brightness of the intelligent glasses is adjusted, so that the screen brightness of the intelligent glasses can be changed slowly, and discomfort brought to a user due to abrupt change of the screen brightness is avoided.
In an alternative embodiment, referring to fig. 4, if the deviation between the first pupil diameter and the second pupil diameter is not within the preset threshold range in step S33, the step of determining the screen brightness adjustment direction of the smart glasses according to the first pupil diameter and the second pupil diameter includes steps S331 to S332, which are specifically as follows:
S331: if the deviation between the first pupil diameter and the second pupil diameter is not in the preset threshold range, when the first pupil diameter is larger than the second pupil diameter, the screen brightness adjusting direction of the intelligent glasses is to adjust the screen brightness of the intelligent glasses to be higher;
s332: when the first pupil diameter is smaller than the second pupil diameter, the screen brightness adjusting direction of the intelligent glasses is to lower the screen brightness of the intelligent glasses.
In the embodiment of the application, the pupil diameter of the user is reduced because the brightness of the external environment is larger than the brightness of the screen. The brightness of the external environment is smaller than the brightness of the screen, causing the pupil diameter of the user to become larger. By comparing the first pupil diameter and the second pupil diameter, the adjustment direction of the screen brightness can be automatically and quickly determined.
Example 2
The following are examples of the apparatus of the present application that may be used to perform the method of example 1 of the present application. For details not disclosed in the device embodiment of the present application, please refer to the method in embodiment 1 of the present application.
Fig. 5 is a schematic structural diagram of a screen brightness adjusting device of an intelligent glasses according to an embodiment of the application. The screen brightness adjusting device 5 of the intelligent glasses provided by the embodiment of the application comprises:
The screen brightness value obtaining module 51 is configured to obtain a first screen brightness value of the smart glasses and a first pupil diameter of the user when the user wears the smart glasses;
the pupil diameter obtaining module 52 is configured to obtain a second pupil diameter corresponding to the first screen brightness value according to a mapping relationship between a preset screen brightness value and the pupil diameter; the second pupil diameter is used for indicating the pupil diameter corresponding to the first screen brightness value when the user wears the intelligent glasses under the condition that no ambient light is interfered;
The screen brightness adjusting module 53 is configured to adjust the screen brightness of the smart glasses if the deviation between the first pupil diameter and the second pupil diameter is not within the preset threshold range.
Optionally, the screen brightness adjusting device 5 of the smart glasses includes:
The pupil diameter acquisition module is used for acquiring a plurality of pupil diameters corresponding to a plurality of screen brightness values when a user wears the intelligent glasses under the condition of no ambient light interference;
The mapping relation establishing module is used for corresponding a plurality of screen brightness values and a plurality of pupil diameters one by one, and establishing a mapping relation between the screen brightness values and the pupil diameters.
Optionally, the pupil diameter acquisition module includes:
The pupil diameter obtaining unit is used for controlling the screen brightness of the intelligent glasses to gradually increase from dark to bright or gradually decrease from bright to dark according to a preset screen brightness adjusting step length under the condition that no ambient light is interfered, and obtaining a plurality of pupil diameters corresponding to a plurality of screen brightness values when a user wears the intelligent glasses.
Optionally, the screen brightness adjusting device 5 of the smart glasses includes:
the slope parameter obtaining module is used for obtaining a slope parameter according to the mapping relation; the slope parameter is used for indicating the relation of pupil diameter along with the change of the screen brightness value;
optionally, the screen brightness adjustment module 53 includes:
the target screen brightness value obtaining unit is used for obtaining a target screen brightness value corresponding to the first pupil diameter according to the slope parameter and the deviation between the first pupil diameter and the second pupil diameter;
and the screen brightness adjusting unit is used for adjusting the screen brightness to the target screen brightness value.
Optionally, the slope parameter obtaining module includes:
The first pupil diameter acquisition unit is used for acquiring a plurality of pupil diameters corresponding to a plurality of screen brightness values when a user wears the intelligent glasses under the condition of no ambient light interference;
The slope parameter obtaining unit is used for carrying out linear fitting on the screen brightness values and the corresponding pupil diameters to obtain slope parameters of the pupil diameters changing along with the screen brightness values.
Optionally, the target screen brightness value obtaining unit includes:
The product result obtaining unit is used for multiplying the deviation between the first pupil diameter and the second pupil diameter by the slope parameter to obtain a product result; and taking the sum of the product result and the first screen brightness value as a target screen brightness value corresponding to the first pupil diameter.
Optionally, the screen brightness adjustment module 53 includes:
The adjusting direction determining unit is used for determining the screen brightness adjusting direction of the intelligent glasses according to the first pupil diameter and the second pupil diameter if the deviation between the first pupil diameter and the second pupil diameter is not in a preset threshold range;
The first screen brightness adjusting unit is used for adjusting the screen brightness of the intelligent glasses according to a preset screen brightness adjusting step length and a screen brightness adjusting direction;
The deviation judging unit is used for judging whether the deviation between the pupil diameter of the user wearing the intelligent glasses and the pupil diameter corresponding to the adjusted screen brightness value is within a preset threshold value range or not after the screen brightness of the intelligent glasses is adjusted each time;
And the second screen brightness adjusting unit is used for re-determining the screen brightness adjusting direction of the intelligent glasses if not, and adjusting the screen brightness of the intelligent glasses according to the preset screen brightness adjusting step length and the re-determined screen brightness adjusting direction until the adjusted screen brightness is in the human eye comfort range.
Optionally, the adjustment direction determining unit includes:
The first adjusting direction determining unit is used for adjusting the screen brightness of the intelligent glasses to be higher if the deviation between the first pupil diameter and the second pupil diameter is not in a preset threshold range and when the first pupil diameter is larger than the second pupil diameter;
and the second adjusting direction determining unit is used for adjusting the screen brightness of the intelligent glasses to be lower when the first pupil diameter is smaller than the second pupil diameter.
Optionally, the screen brightness adjusting device 5 of the smart glasses includes:
The iris detection module is used for carrying out iris detection on the user when the user wears the intelligent glasses, so as to obtain an iris detection result;
The first pupil diameter obtaining module is used for obtaining a plurality of pupil diameters corresponding to a plurality of screen brightness values when the user wears the intelligent glasses under the condition that no ambient light interference exists if the iris detection result indicates that the user is an uncalibrated user.
By applying the embodiment of the application, the first screen brightness value of the intelligent glasses and the first pupil diameter of the user are obtained when the user wears the intelligent glasses; obtaining a second pupil diameter corresponding to the first screen brightness value according to a preset mapping relation between the screen brightness value and the pupil diameter; the second pupil diameter is used for indicating the pupil diameter corresponding to the first screen brightness value when the user wears the intelligent glasses under the condition that no ambient light is interfered; and if the deviation between the first pupil diameter and the second pupil diameter is not in the preset threshold range, adjusting the screen brightness of the intelligent glasses. According to the embodiment of the application, the screen brightness of the intelligent glasses is regulated according to the pupil diameter, and an additional light sensor is not required to be installed, so that the cost is reduced.
Example 3
The following are examples of the apparatus of the present application that may be used to perform the method of example 1 of the present application. For details not disclosed in the embodiment of the apparatus of the present application, please refer to the method of embodiment 1 of the present application.
Referring to fig. 6, the present application further provides an electronic device 300, which may be specifically a computer, a mobile phone, a tablet computer, an interactive tablet, etc., in an exemplary embodiment of the present application, the electronic device 300 is an interactive tablet, and the interactive tablet may include: at least one processor 301, at least one memory 302, at least one display, at least one network interface 303, a user interface 304, and at least one communication bus 305.
The user interface 304 is mainly used for providing an input interface for a user, and acquiring data input by the user. Optionally, the user interface may also include a standard wired interface, a wireless interface.
The network interface 303 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface), among others.
Wherein a communication bus 305 is used to enable connected communications between these components.
Wherein the processor 301 may include one or more processing cores. The processor uses various interfaces and lines to connect various portions of the overall electronic device, perform various functions of the electronic device, and process data by executing or executing instructions, programs, code sets, or instruction sets stored in memory, and invoking data stored in memory. Alternatively, the processor may be implemented in hardware in at least one of digital signal processing (DIGITAL SIGNAL processing, DSP), field-programmable gate array (field-programmable GATE ARRAY, FPGA), programmable logic array (Programmable Logic Array, PLA). The processor may integrate one or a combination of several of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU), and a modem, etc. The CPU mainly processes an operating system, a user interface, an application program and the like; the GPU is used for rendering and drawing the content required to be displayed by the display layer; the modem is used to handle wireless communications. It will be appreciated that the modem may not be integrated into the processor and may be implemented by a single chip.
The memory 302 may include a random access memory (Random Access Memory, RAM) or a read-only memory (read-only memory). Optionally, the memory includes a non-transitory computer readable medium (non-transitory computer-readable storage medium). The memory may be used to store instructions, programs, code sets, or instruction sets. The memory may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing the above-described respective method embodiments, etc.; the storage data area may store data or the like referred to in the above respective method embodiments. The memory may optionally also be at least one storage device located remotely from the aforementioned processor. The memory as a computer storage medium may include an operating system, a network communication module, a user interface module, and an operating application program.
The processor may be configured to call an application program of the video resolution adjustment method stored in the memory, and specifically execute the method steps of the foregoing embodiment 1, and the specific execution process may refer to the specific description shown in embodiment 1, which is not repeated herein.
Example 4
The present application also provides a computer readable storage medium, on which a computer program is stored, the instructions being adapted to be loaded by a processor and to execute the method steps of the above-described embodiment 1, and the specific execution process may refer to the specific description of the embodiment, which is not repeated herein. The storage medium can be an electronic device such as a personal computer, a notebook computer, a smart phone, a tablet computer and the like.
For the device embodiments, reference is made to the description of the method embodiments for the relevant points, since they essentially correspond to the method embodiments. The above-described apparatus embodiments are merely illustrative, in which components illustrated as separate components may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purposes of the present application. Those of ordinary skill in the art will understand and implement the present application without undue burden.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks. These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart block or blocks and/or block diagram block or blocks.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, etc., such as Read Only Memory (ROM) or flash RAM. Memory is an example of a computer-readable medium.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.

Claims (12)

1. The screen brightness adjusting method of the intelligent glasses is characterized by comprising the following steps of:
when a user wears intelligent glasses, acquiring a first screen brightness value of the intelligent glasses and a first pupil diameter of the user;
Obtaining a second pupil diameter corresponding to the first screen brightness value according to a preset mapping relation between the screen brightness value and the pupil diameter; the second pupil diameter is used for indicating the pupil diameter corresponding to the first screen brightness value when the user wears the intelligent glasses under the condition that no ambient light is interfered;
and if the deviation between the first pupil diameter and the second pupil diameter is not in the preset threshold range, adjusting the screen brightness of the intelligent glasses.
2. The method for adjusting the screen brightness of the intelligent glasses according to claim 1, wherein:
before the step of obtaining the second pupil diameter corresponding to the first screen brightness value according to the preset mapping relation between the screen brightness value and the pupil diameter, the method comprises the following steps:
under the condition of no ambient light interference, acquiring a plurality of pupil diameters corresponding to a plurality of screen brightness values when a user wears the intelligent glasses;
And (3) corresponding the screen brightness values to the pupil diameters one by one, and establishing a mapping relation between the screen brightness values and the pupil diameters.
3. The method for adjusting the screen brightness of the intelligent glasses according to claim 1, wherein:
The step of acquiring a plurality of pupil diameters corresponding to a plurality of screen brightness values when a user wears the intelligent glasses under the condition of no ambient light interference comprises the following steps:
under the condition of no ambient light interference, controlling the screen brightness of the intelligent glasses to gradually increase from dark to light or gradually decrease from light to dark according to a preset screen brightness adjustment step length, and obtaining a plurality of pupil diameters corresponding to a plurality of screen brightness values when a user wears the intelligent glasses.
4. A screen brightness adjustment method of smart glasses according to any one of claims 1 to 3, characterized in that:
If the deviation between the first pupil diameter and the second pupil diameter is not within the preset threshold range, before the step of adjusting the screen brightness of the smart glasses, the method comprises the following steps:
obtaining a slope parameter according to the mapping relation; the slope parameter is used for indicating the relation that the pupil diameter changes along with the brightness value of the screen;
And if the deviation between the first pupil diameter and the second pupil diameter is not within a preset threshold range, adjusting the screen brightness of the intelligent glasses, wherein the step comprises the following steps:
obtaining a target screen brightness value corresponding to the first pupil diameter according to the slope parameter and the deviation between the first pupil diameter and the second pupil diameter;
And adjusting the screen brightness to the target screen brightness value.
5. The method for adjusting the screen brightness of the intelligent glasses according to claim 4, wherein:
the step of obtaining the slope parameter according to the mapping relation comprises the following steps:
under the condition of no ambient light interference, acquiring a plurality of pupil diameters corresponding to a plurality of screen brightness values when a user wears the intelligent glasses;
And linearly fitting the screen brightness values and the corresponding pupil diameters to obtain slope parameters of the pupil diameters changing along with the screen brightness values.
6. The method for adjusting the screen brightness of the intelligent glasses according to claim 4, wherein:
The step of obtaining a target screen brightness value corresponding to the first pupil diameter according to the slope parameter and the deviation between the first pupil diameter and the second pupil diameter comprises the following steps:
Multiplying the deviation between the first pupil diameter and the second pupil diameter by the slope parameter to obtain a product result; and taking the sum of the product result and the first screen brightness value as a target screen brightness value corresponding to the first pupil diameter.
7. A screen brightness adjustment method of smart glasses according to any one of claims 1 to 3, characterized in that:
And if the deviation between the first pupil diameter and the second pupil diameter is not within a preset threshold range, adjusting the screen brightness of the intelligent glasses, wherein the step comprises the following steps:
If the deviation between the first pupil diameter and the second pupil diameter is not in a preset threshold range, determining a screen brightness adjusting direction of the intelligent glasses according to the first pupil diameter and the second pupil diameter;
According to a preset second screen brightness adjustment step length and the screen brightness adjustment direction, adjusting the screen brightness of the intelligent glasses;
After the screen brightness of the intelligent glasses is regulated each time, judging whether the deviation between the pupil diameter of the user wearing the intelligent glasses and the pupil diameter corresponding to the regulated screen brightness value is within a preset threshold range or not;
If not, the screen brightness adjusting direction of the intelligent glasses is re-determined, and the screen brightness of the intelligent glasses is adjusted according to the preset second screen brightness adjusting step length and the re-determined screen brightness adjusting direction.
8. The method for adjusting the screen brightness of the intelligent glasses according to claim 7, wherein:
if the deviation between the first pupil diameter and the second pupil diameter is not within a preset threshold range, determining a screen brightness adjusting direction of the intelligent glasses according to the first pupil diameter and the second pupil diameter, including:
if the deviation between the first pupil diameter and the second pupil diameter is not in the preset threshold range, when the first pupil diameter is larger than the second pupil diameter, the screen brightness adjusting direction of the intelligent glasses is to adjust the screen brightness of the intelligent glasses to be higher;
when the first pupil diameter is smaller than the second pupil diameter, the screen brightness adjusting direction of the intelligent glasses is to lower the screen brightness of the intelligent glasses.
9. The method for adjusting the screen brightness of the intelligent glasses according to claim 2, wherein:
The users comprise calibrated users and uncalibrated users; the calibrated user is a user who establishes a mapping relation between a screen brightness value and pupil diameter; the uncalibrated user is a user who does not establish the mapping relation between the screen brightness value and the pupil diameter;
Before the step of obtaining a plurality of pupil diameters corresponding to a plurality of screen brightness values when a user wears the intelligent glasses without ambient light interference, the method comprises the following steps:
when a user wears the intelligent glasses, iris detection is carried out on the user, and an iris detection result is obtained;
And if the iris detection result indicates that the user is an uncalibrated user, acquiring a plurality of pupil diameters corresponding to a plurality of screen brightness values when the user wears the intelligent glasses under the condition of no ambient light interference.
10. The utility model provides a screen brightness adjusting device of intelligent glasses which characterized in that includes:
The system comprises a screen brightness value acquisition module, a first pupil diameter acquisition module and a second pupil diameter acquisition module, wherein the screen brightness value acquisition module is used for acquiring a first screen brightness value of the intelligent glasses and a first pupil diameter of a user when the user wears the intelligent glasses;
The pupil diameter obtaining module is used for obtaining a second pupil diameter corresponding to the first screen brightness value according to a preset mapping relation between the screen brightness value and the pupil diameter; the second pupil diameter is used for indicating the pupil diameter corresponding to the first screen brightness value when the user wears the intelligent glasses under the condition that no ambient light is interfered;
and the screen brightness adjusting module is used for adjusting the screen brightness of the intelligent glasses if the deviation between the first pupil diameter and the second pupil diameter is not in a preset threshold range.
11. A computer device, comprising: a processor, a memory and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any one of claims 1to 9 when the computer program is executed.
12. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of the method according to any one of claims 1 to 9.
CN202211249511.8A 2022-10-12 2022-10-12 Screen brightness adjusting method and device of intelligent glasses, computer equipment and medium Pending CN117912426A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211249511.8A CN117912426A (en) 2022-10-12 2022-10-12 Screen brightness adjusting method and device of intelligent glasses, computer equipment and medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211249511.8A CN117912426A (en) 2022-10-12 2022-10-12 Screen brightness adjusting method and device of intelligent glasses, computer equipment and medium

Publications (1)

Publication Number Publication Date
CN117912426A true CN117912426A (en) 2024-04-19

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Country Status (1)

Country Link
CN (1) CN117912426A (en)

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