CN115166975A - Dynamic brightness adjusting method and device, terminal and storage medium - Google Patents
Dynamic brightness adjusting method and device, terminal and storage medium Download PDFInfo
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- 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
- G09G3/34—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 by control of light from an independent source
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Abstract
The embodiment of the invention relates to the technical field of brightness adjustment, and discloses a dynamic brightness adjustment method, a dynamic brightness adjustment device, a terminal and a storage medium. In the present invention, the dynamic brightness adjustment method is applied to VR glasses with a perspective function, and includes: acquiring a switching instruction of the VR glasses, wherein the switching instruction is used for indicating that the state of the VR glasses is switched from an image state to a perspective state or from the perspective state to the image state; acquiring the current ambient brightness based on the switching instruction; and adjusting the current brightness of the VR glasses screen according to the current environment brightness until the current brightness of the VR glasses screen is matched with the current environment brightness. Make when the user uses VR glasses to carry out the state switching, avoid appearing the inside and outside luminance difference of VR glasses and too big user's eyes that causes and irritate, further cause the poor problem of user experience.
Description
Technical Field
The embodiment of the invention relates to the technical field of brightness adjustment, in particular to a dynamic brightness adjustment method, a dynamic brightness adjustment device, a terminal and a storage medium.
Background
In the related art, most of VR glasses have a see-through (see-through) function, that is, the VR glasses can see videos or pictures stored in the VR glasses in advance, and can also view pictures of a real-time environment outside the VR glasses. Two methods for realizing the perspective function are available, one is to make the optical display device transparent, namely direct observation; the other is by built-in camera viewing.
However, the following problems exist in view through a built-in camera: after the user wears the VR glasses, certain brightness difference exists between the picture of the real-time environment outside the VR glasses and the screen picture in the VR glasses, so that when the screen picture (image state) in the VR glasses is switched to the picture (perspective state) of the real-time environment outside the VR glasses, the eyes of the user are uncomfortable due to the overlarge brightness difference, even when the user is switched to light from dark or switched to dark from light, the eyes of the user can be pricked, and the user experience is greatly influenced.
Disclosure of Invention
An object of embodiments of the present invention is to provide a method, an apparatus, a terminal and a storage medium for dynamically adjusting brightness, so that when a user uses VR glasses to perform state switching, the problem that the user experiences poor user experience due to stimulation caused by too large difference between the internal and external brightness of the VR glasses is avoided.
In order to solve the above technical problem, an embodiment of the present invention provides a dynamic brightness adjustment method applied to VR glasses with a perspective function, where the method includes: acquiring a switching instruction of the VR glasses, wherein the switching instruction is used for indicating that the state of the VR glasses is switched from an image state to a perspective state or from the perspective state to the image state; acquiring the current ambient brightness based on the switching instruction; and adjusting the current brightness of the VR glasses screen according to the current environment brightness until the current brightness of the VR glasses screen is matched with the current environment brightness.
The embodiment of the present invention further provides a dynamic brightness adjustment apparatus, including:
the acquisition module is used for acquiring a switching instruction of the VR glasses, wherein the switching instruction is used for indicating that the state of the VR glasses is switched from an image state to a perspective state or from the perspective state to the image state;
the brightness acquisition module is used for acquiring the current ambient brightness based on the switching instruction;
and the adjusting module is used for adjusting the current brightness of the VR glasses screen according to the current environment brightness until the current brightness of the VR glasses screen is matched with the current environment brightness.
An embodiment of the present invention further provides a terminal, including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor, the instructions being executable by the at least one processor to enable the at least one processor to perform the above-described dynamic brightness adjustment method applied to VR glasses with a see-through function.
The embodiment of the invention also provides a computer readable storage medium, which stores a computer program, and the computer program is executed by a processor to realize the dynamic brightness adjustment method.
Compared with the related art, the switching instruction of the VR glasses is obtained, and the switching instruction is used for indicating that the state of the VR glasses is switched from the image state to the perspective state or from the perspective state to the image state; acquiring current ambient brightness based on the switching instruction; and adjusting the current brightness of the VR glasses screen according to the current ambient brightness until the current brightness of the VR glasses screen is matched with the current ambient brightness. Make when the user uses VR glasses to carry out the state switching, avoid appearing the inside and outside luminance difference of VR glasses and too big user's eyes that causes and irritate, further cause the poor problem of user experience.
In addition, in a case that the switching instruction is used to instruct to switch the state of the VR glasses from the imaging state to the perspective state, the adjusting a current value of a backlight current of the VR glasses screen includes: adjusting the current value of backlight current of a VR glasses screen through a built-in camera of the VR glasses; in a case where the switching instruction is used to instruct switching of the state of the VR glasses from the perspective state to the vision state, the adjusting a current value of a backlight current of the VR glasses screen includes: the current value of the backlight current of the VR glasses screen is adjusted through pulse width modulation, so that the power consumption is guaranteed to be stable, and the screen picture of the VR glasses is stable.
In addition; the obtaining of the switching instruction of the VR glasses comprises: and detecting an opening instruction or a closing instruction of a built-in camera of the VR glasses, and taking the opening instruction or the closing instruction as the switching instruction, so that the user can conveniently and quickly switch the perspective or movie and television states after wearing the VR glasses.
In addition, when the switching instruction is used to instruct switching of the state of the VR glasses from the video state to the perspective state, after the acquiring of the switching instruction of the VR glasses, the method further includes: based on the switching instruction, the ongoing image of the screen in the VR glasses is suspended, so that when the user switches back to the image state again, the ongoing image can be continued, and the user experience is improved.
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One or more embodiments are illustrated by the corresponding figures in the drawings, which are not meant to be limiting.
FIG. 1 is a flow chart of a dynamic brightness adjustment method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the first embodiment of the present invention with a smear effect;
FIG. 3 is a schematic diagram of the smear removal effect according to the first embodiment of the present invention;
FIG. 4 is a schematic diagram of adjusting current to change brightness according to the present invention;
FIG. 5 is a schematic structural diagram of a dynamic luminance adjustment apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments. The following embodiments are divided for convenience of description, and should not constitute any limitation to the specific implementation manner of the present invention, and the embodiments may be mutually incorporated and referred to without contradiction.
The embodiment of the invention relates to a dynamic brightness adjusting method, which is applied to VR (virtual reality) glasses with a perspective function and comprises the following steps: acquiring a switching instruction of VR glasses, wherein the switching instruction is used for indicating that the state of the VR glasses is switched from an image state to a perspective state or from the perspective state to the image state; acquiring current ambient brightness based on the switching instruction; and adjusting the current brightness of the VR glasses screen according to the current ambient brightness until the current brightness of the VR glasses screen is matched with the current ambient brightness.
The following describes the implementation details of the dynamic brightness adjustment method of the present embodiment in detail, and the following only provides the implementation details for easy understanding, and is not necessary to implement the present embodiment.
As shown in fig. 1, the luminance dynamic adjustment method in this embodiment specifically includes the following steps:
step 101: and acquiring a switching instruction of the VR glasses, wherein the switching instruction is used for indicating that the state of the VR glasses is switched from the image state to the perspective state or from the perspective state to the image state.
In one example, after a user wears VR glasses with a perspective function, if the user needs to watch a real environment except the VR glasses, a built-in camera of the VR glasses can be turned on, the VR glasses detect an opening instruction of the built-in camera, the opening instruction serves as a switching instruction, the switching instruction is used for instructing to switch the state of the VR glasses from an image state to a perspective state, and the built-in camera displays a shot real scene on a screen of the VR glasses; or the user needs to switch back to the image state of the VR glasses after watching the real environment except the VR glasses, the built-in camera of the VR glasses is closed, the VR glasses detect the closing instruction of the built-in camera, the closing instruction is used as a switching instruction, and the switching instruction is used for indicating the switching from the perspective state to the image state.
Step 102: and acquiring the current ambient brightness based on the switching instruction.
Specifically, when the switching instruction is used to instruct switching the state of the VR glasses from the video state to the see-through state when the switching instruction is detected by the VR glasses, the video screen on which the screen in the VR glasses is currently displayed is paused. Meanwhile, the built-in photosensitive sensor acquires the current ambient brightness.
Further, in the case that the switching instruction is used for instructing to switch the state of the VR glasses from the perspective state to the video state, the paused video screen can be resumed. Meanwhile, a built-in photosensitive sensor is also needed to acquire the current ambient brightness.
In one example, a user wears VR glasses to watch videos and feels that someone takes a picture, can see people and objects in a real scene by starting a built-in camera of the VR glasses without removing the VR glasses, and when a switching instruction for starting the camera is detected, the VR glasses are switched from an image state to a perspective state, during the switching period, the videos which are played on a screen in the VR glasses are synchronously paused, and the current ambient brightness is quickly obtained by the VR glasses and converted into an electric signal; adjusting the current value of the backlight current of the VR glasses screen through a built-in camera; the current value of the backlight current is adjusted to the current value of the electrical signal.
In one example, when a switching instruction for turning off a camera is detected, the VR glasses are switched from a perspective state to an image state, during the switching period, a video being played on a screen in the VR glasses is synchronously recovered, and the VR glasses quickly acquire current ambient brightness and convert the current ambient brightness into an electric signal; adjusting the current value of the backlight current of the VR glasses screen through pulse width modulation; the current value of the backlight current is adjusted to the current value of the electrical signal.
Step 103: and adjusting the current brightness of the VR glasses screen according to the current ambient brightness until the current brightness of the VR glasses screen is matched with the current ambient brightness.
Specifically, the current ambient brightness is converted into an electrical signal; and adjusting the current value of the backlight current of the VR glasses screen to the current value of the electric signal.
In one example, no matter the VR glasses are switched to the image state or the perspective state, since the VR glasses worn by the user move in a small range, the ambient brightness also changes in a small range, the built-in sensor can constantly acquire the current ambient brightness, convert the current ambient brightness into an electrical signal, adjust the current value of the backlight current of the VR glasses screen, adjust the current value of the backlight current to the current value of the electrical signal, and adjust the current value of the backlight current of the VR glasses screen through pulse width modulation if the VR glasses are in the influence state; as shown in fig. 4, if the VR glasses are in a see-through state, the current value of the backlight current of the screen of the VR glasses is adjusted by the built-in camera.
In the embodiment, a switching instruction of the VR glasses is obtained, where the switching instruction is used to instruct to switch the state of the VR glasses from the image state to the perspective state, or from the perspective state to the image state; acquiring current ambient brightness based on the switching instruction; and adjusting the current brightness of the VR glasses screen according to the current ambient brightness until the current brightness of the VR glasses screen is matched with the current ambient brightness. Make when the user uses VR glasses to carry out the state switching, avoid appearing the inside and outside luminance difference of VR glasses and too big user's eyes that causes and irritate, further cause the poor problem of user experience.
The embodiment of the invention relates to a method for eliminating smear, and specifically, as shown in fig. 2 and fig. 3, fig. 2 shows a display effect (with smear) of a normal LCD panel, and fig. 3 shows a display effect (without smear) of inserting a backlight current (duty).
When the screen of the VR glasses is switched from one place to another place, for example, from a video state to a perspective state or from a perspective state to a video state, the screen of the VR glasses is displayed frame by frame, and when the number of frames is large, the smear can be directly eliminated (in the prior art), but when the frames are fixed, because each frame image displayed by human eyes only relates to the first half, the second half is not displayed, that is, it takes time to scan each frame image from dark to bright to completely bright.
In order to make the final display effect have no smear, a backlight current (duty) is inserted into the existing LCD screen, the backlight current (duty) is controlled to make the picture bright when the picture needs to be bright and not bright when the picture does not need to be bright, and the bright pictures are gathered to form a complete picture, so that the display effect without smear is achieved.
In one example, as shown in fig. 2 and fig. 3, when the VR glasses are in an image state, a general LCD screen may have a smear when displaying, such as a blurred crescent shown in fig. 2, and therefore, for this situation, the backlight current may be adjusted to have no smear, specifically, a preset threshold is set, so that the current value of the backlight current of the VR glasses screen is smaller than the preset threshold and remains unchanged, such as a crescent shown in fig. 3. The current value of the backlight current is kept unchanged, so that the display effect of a screen picture in the VR glasses is better, no smear is generated, and the user experience is further improved.
Compared with the related art, in the embodiment, a switching instruction of the VR glasses is obtained, and the switching instruction is used for instructing to switch the state of the VR glasses from the image state to the perspective state or from the perspective state to the image state; acquiring current ambient brightness based on the switching instruction; and adjusting the current brightness of the VR glasses screen according to the current ambient brightness until the current brightness of the VR glasses screen is matched with the current ambient brightness. Make when the user uses VR glasses to carry out the state switching, avoid appearing the inside and outside luminance difference of VR glasses and too big user's eyes that causes and irritate, further cause the poor problem of user experience. Meanwhile, the embodiment of the invention is beneficial to the fact that when the state of the VR glasses is an image state, the current value of the backlight current of the screen of the VR glasses is smaller than the preset threshold value and is kept unchanged, so that the screen display effect of the VR glasses is free from smear, the displayed picture is stable, and the VR glasses can be well suitable for scenes with large internal and external brightness differences.
Embodiments of the present invention relate to a method of adjusting current to change brightness, and, as shown in particular in figure 4,
when the user switches the state of wearing the VR glasses to the perspective state, the perspective state is shot by the VR glasses built-in camera, so that the problem that a display screen is not smooth, such as a smear and the like, is avoided. At the moment, the magnitude of the current can be adjusted through the built-in camera, and the brightness is changed on the basis of ensuring that the power consumption is unchanged. The pulse width variations when the periodic current is 10%, 30%, 50% and 90% are listed in fig. 4, respectively. Periodic current = pulse width x 100/period of time. As the periodic current increases, the brightness of the screen also becomes brighter.
In the embodiment, a switching instruction of the VR glasses is obtained, where the switching instruction is used to instruct to switch the state of the VR glasses from the image state to the perspective state, and obtain the current ambient brightness; and adjusting the current brightness of the VR glasses screen according to the current ambient brightness until the current brightness of the VR glasses screen is matched with the current ambient brightness. The user can freely change the brightness of the current adjustment screen through the built-in camera when using the VR glasses to switch to the perspective state, so that the brightness change of the screen of the VR glasses is within a controllable range, and the problem that the eyes of the user are stimulated due to the fact that the difference of the brightness inside and outside the VR glasses is too large, and the user experience is poor is further solved.
It is easy to find that the present embodiment can be cooperated with the embodiment of the dynamic brightness adjustment method. The related art mentioned in the embodiment of the luminance dynamic adjustment method is still valid in this embodiment, and is not described herein again in order to reduce repetition. Accordingly, the related technical details mentioned in the present embodiment can also be applied to the first embodiment.
The steps of the above methods are divided for clarity, and the implementation may be combined into one step or split some steps, and the steps are divided into multiple steps, so long as the same logical relationship is included, which are all within the protection scope of the present patent; it is within the scope of the patent to add insignificant modifications to the algorithms or processes or to introduce insignificant design changes to the core design without changing the algorithms or processes.
An embodiment of the present invention relates to a luminance dynamic adjustment device, including: the specific structure of the instruction obtaining module 501, the brightness obtaining module 502, and the adjusting module 503 is shown in fig. 5
An instruction obtaining module 501, configured to obtain a switching instruction of the VR glasses, where the switching instruction is used to instruct to switch the state of the VR glasses from an image state to a perspective state, or switch the image state from the perspective state;
a brightness obtaining module 502, configured to obtain current ambient brightness based on the switching instruction;
the adjusting module 503 is configured to adjust the current brightness of the VR glasses screen according to the current ambient brightness until the current brightness of the VR glasses screen matches the current ambient brightness.
In an example, the adjusting module 503 adjusts the current brightness of the VR glasses screen according to the current ambient brightness acquired by the brightness acquiring module 502 until the current brightness of the VR glasses screen matches the current ambient brightness, and specifically converts the current ambient brightness into an electrical signal; and adjusting the current value of the backlight current of the VR glasses screen to the current value of the electric signal.
When the switching instruction obtained by the instruction obtaining module 501 is used to instruct to switch the state of the VR glasses from the image state to the perspective state, adjusting the current value of the backlight current of the VR glasses screen includes: adjusting a current value of a backlight current of a VR glasses screen through the built-in camera; in a case where the switching instruction acquired by the instruction acquiring module 501 is used to instruct to switch the state of the VR glasses from the perspective state to the image state, adjusting a current value of a backlight current of a screen of the VR glasses includes: and adjusting the current value of the backlight current of the VR glasses screen through pulse width modulation.
The VR glasses of the invention have at least one built-in camera; the instruction obtaining module 501 obtains a switching instruction of VR glasses, including: and detecting an opening instruction or a closing instruction of the built-in camera, and taking the opening instruction or the closing instruction as a switching instruction. When the VR glasses are in an image state, the current value of the backlight current of the VR glasses screen is smaller than a preset threshold value and is kept unchanged. Under the condition that the instruction obtaining module 501 switches the instruction to instruct to switch the state of the VR glasses from the image state to the perspective state, after obtaining the switching instruction of the VR glasses, the method further includes: and pausing the ongoing image frames of the screens in the VR glasses based on the switching instruction. Acquiring the current ambient brightness, including: and acquiring the current ambient brightness through a built-in sensor.
It should be understood that this embodiment is an example of an apparatus corresponding to the embodiment of the dynamic brightness adjustment method, and the embodiment may be implemented in cooperation with the embodiment of the dynamic brightness adjustment method. The related technical details mentioned in the embodiment of the dynamic brightness adjustment method are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related art details mentioned in the present embodiment can also be applied to the embodiment of the luminance dynamic adjustment method.
It should be noted that each module referred to in this embodiment is a logical module, and in practical applications, one logical unit may be one physical unit, may be a part of one physical unit, and may be implemented by a combination of multiple physical units. In addition, in order to highlight the innovative part of the present invention, elements that are not so closely related to solving the technical problems proposed by the present invention are not introduced in the present embodiment, but this does not indicate that other elements are not present in the present embodiment.
Embodiments of the present invention relate to a terminal, as shown in fig. 6, including at least one processor 601; and a memory 602 communicatively coupled to the at least one processor 601; the memory 6 stores instructions executable by the at least one processor 601, and the instructions are executed by the at least one processor 601 to enable the at least one processor 401 to execute the method for acquiring splitter port information.
Where the memory 602 and processor 601 are coupled by a bus, the bus may comprise any number of interconnected buses and bridges that couple one or more of the various circuits of the processor 601 and memory 602 together. The bus may also connect various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface provides an interface between the bus and the transceiver. The transceiver may be one element or a plurality of elements, such as a plurality of receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the processor 601 is transmitted over a wireless medium via an antenna, which further receives the data and transmits the data to the processor 601.
The processor 601 is responsible for managing the bus and general processing and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. While memory 602 may be used to store data used by processor 601 in performing operations.
Embodiments of the present invention relate to a computer-readable storage medium storing a computer program. The computer program realizes the above-described method embodiments when executed by a processor.
That is, as can be understood by those skilled in the art, all or part of the steps in the method for implementing the embodiments described above may be implemented by a program instructing related hardware, where the program is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, or the like) or a processor (processor) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (10)
1. A dynamic brightness adjustment method is applied to VR glasses with perspective function, and the method comprises the following steps:
acquiring a switching instruction of the VR glasses, wherein the switching instruction is used for indicating that the state of the VR glasses is switched from an image state to a perspective state or from the perspective state to the image state;
acquiring the current ambient brightness based on the switching instruction;
and adjusting the current brightness of the VR glasses screen according to the current environment brightness until the current brightness of the VR glasses screen is matched with the current environment brightness.
2. The dynamic brightness adjustment method of claim 1, wherein the adjusting the current brightness of the VR glasses screen according to the current ambient brightness until the current brightness of the VR glasses screen matches the current ambient brightness comprises:
converting the current ambient brightness into an electrical signal;
and adjusting the current value of the backlight current of the VR glasses screen, and adjusting the current value of the backlight current to the current value of the electric signal.
3. The luminance dynamic adjustment method according to claim 2,
in a case that the switching instruction is used to instruct to switch the state of the VR glasses from the imaging state to the perspective state, the adjusting a current value of a backlight current of the VR glasses screen includes: adjusting a current value of a backlight current of a screen of the VR glasses through a built-in camera of the VR glasses;
in a case where the switching instruction is used to instruct switching of the state of the VR glasses from the perspective state to the vision state, the adjusting a current value of a backlight current of the VR glasses screen includes: and adjusting the current value of the backlight current of the VR glasses screen through pulse width modulation.
4. The dynamic brightness adjustment method according to claim 1, wherein the obtaining of the switching instruction of the VR glasses includes:
and detecting an opening instruction or a closing instruction of a built-in camera of the VR glasses, and taking the opening instruction or the closing instruction as the switching instruction.
5. The dynamic brightness adjustment method according to any one of claims 1 to 4, wherein when the state of the VR glasses is an image state, a current value of the backlight current of the VR glasses screen is less than a preset threshold and remains unchanged.
6. The dynamic luminance adjustment method according to any one of claims 1 to 4, wherein when the switching instruction is used to instruct to switch the state of the VR glasses from the image state to the perspective state, after the acquiring the switching instruction of the VR glasses, the method further includes:
and pausing the ongoing image frames of the screens in the VR glasses based on the switching instruction.
7. The luminance dynamic adjustment method according to any one of claims 1 to 4, wherein the obtaining the current ambient luminance includes:
and acquiring the current ambient brightness through a built-in sensor.
8. A dynamic luminance adjustment apparatus, comprising:
the instruction acquisition module is used for acquiring a switching instruction of the VR glasses, and the switching instruction is used for indicating that the state of the VR glasses is switched from an image state to a perspective state or from the perspective state to the image state;
the brightness obtaining module is used for obtaining the current ambient brightness based on the switching instruction;
and the adjusting module is used for adjusting the current brightness of the VR glasses screen according to the current environment brightness until the current brightness of the VR glasses screen is matched with the current environment brightness.
9. A terminal, comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform a method of dynamic brightness adjustment according to any one of claims 1 to 7.
10. A computer-readable storage medium storing a computer program, wherein the computer program is configured to implement the method for dynamically adjusting brightness according to any one of claims 1 to 7 when executed by a processor.
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