CN108491076B - Display control method and related product - Google Patents
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Abstract
The embodiment of the application discloses a display control method and a related product, which are applied to electronic equipment, wherein the electronic equipment comprises a brain wave sensor and a processor, the method determines a target distance between a user and the electronic equipment through the brain wave signal by acquiring the brain wave signal of the user, and adjusts display parameters of a display picture according to the target distance.
Description
Technical Field
The present application relates to the field of electronic technologies, and in particular, to a display control method and a related product.
Background
With the widespread use of electronic devices (such as mobile phones, tablet computers, etc.), the electronic devices have more and more applications and more powerful functions, and the electronic devices are developed towards diversification and personalization, and become indispensable electronic products in the life of users.
At present, a user watches videos through an electronic device, videos can be played according to fixed playing parameters, but the user usually moves, and in the process of moving the user, the effect of watching the videos can be affected.
Disclosure of Invention
The embodiment of the application provides a display control method and a related product, which can dynamically adjust display parameters according to a target distance between a user and electronic equipment, and improve user experience.
In a first aspect, embodiments of the present application provide an electronic device including a brain wave sensor and a processor, wherein,
the brain wave sensor is used for acquiring brain wave signals of a user;
the processor is used for determining a target distance between the user and the electronic equipment through the brain wave signals; and adjusting the display parameters of the display picture according to the target distance.
In a second aspect, an embodiment of the present application provides a display control method, which is applied to an electronic device, and the method includes:
acquiring brain wave signals of a user;
determining a target distance between the user and the electronic equipment through the brain wave signal;
and adjusting the display parameters of the display picture according to the target distance.
In a third aspect, an embodiment of the present application provides a display control apparatus, which is applied to an electronic device, and the display control apparatus includes:
an acquisition unit for acquiring a brain wave signal of a user;
a determination unit for determining a target distance between the user and the electronic device through the brain wave signal;
and the adjusting unit is used for adjusting the display parameters of the display picture according to the target distance.
In a fourth aspect, an embodiment of the present application provides an electronic device, including: a processor and a memory; and one or more programs stored in the memory and configured to be executed by the processor, the programs including instructions for some or all of the steps as described in the second aspect.
In a fifth aspect, the present application provides a computer-readable storage medium, where the computer-readable storage medium is used to store a computer program, where the computer program is used to make a computer execute some or all of the steps described in the second aspect of the present application.
In a sixth aspect, embodiments of the present application provide a computer program product, where the computer program product comprises a non-transitory computer-readable storage medium storing a computer program, the computer program being operable to cause a computer to perform some or all of the steps as described in the second aspect of embodiments of the present application. The computer program product may be a software installation package.
The embodiment of the application has the following beneficial effects:
it can be seen that the display control method and the related product described in the embodiments of the present application are applied to an electronic device including a brain wave sensor and a processor, and the method includes: the method comprises the steps of obtaining brain wave signals of a user, determining a target distance between the user and the electronic equipment through the brain wave signals, and adjusting display parameters of a display picture according to the target distance, so that the display parameters can be dynamically adjusted according to the target distance between the user and the electronic equipment, the display parameters can be adjusted according to the distance in the process of watching the display picture by the user, and user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1A is a schematic structural diagram of an example electronic device provided in an embodiment of the present application;
fig. 1B is a schematic structural diagram of a brain wave sensor according to an embodiment of the present application;
fig. 1C is a schematic structural diagram of an electronic device integrated with a brain wave sensor according to an embodiment of the present application;
fig. 1D is a schematic structural diagram of another electroencephalogram sensor provided according to an embodiment of the present application;
fig. 1E is a schematic structural diagram of another electroencephalogram sensor provided in an embodiment of the present application;
fig. 1F is a schematic structural diagram of another electroencephalogram sensor provided in an embodiment of the present application;
fig. 1G is a schematic structural diagram of another electroencephalogram sensor provided in an embodiment of the present application;
fig. 1H is a schematic structural diagram of an electrode array according to an embodiment of the present disclosure;
fig. 1I is an exemplary diagram of a signal processing circuit of a brain wave sensor provided in an embodiment of the present application;
fig. 2A is a schematic flowchart of a display control method according to an embodiment of the present application;
FIG. 2B is a schematic diagram illustrating a position between a user and a display screen of an electronic device according to an embodiment of the present application;
FIG. 3 is a schematic flow chart diagram of another display control method disclosed in the embodiments of the present application;
fig. 4 is another schematic structural diagram of an electronic device according to an embodiment of the present disclosure;
fig. 5A is a schematic structural diagram of a display control apparatus according to an embodiment of the present application;
FIG. 5B is a schematic diagram of a determining unit of the display control apparatus depicted in FIG. 5A according to an embodiment of the present invention;
FIG. 5C is a schematic structural diagram of an adjusting unit of the display control apparatus depicted in FIG. 5A according to an embodiment of the present invention;
FIG. 5D is a schematic diagram of another adjusting unit of the display control apparatus depicted in FIG. 5A according to an embodiment of the present invention;
FIG. 5E is a schematic structural diagram of another adjusting unit of the display control apparatus depicted in FIG. 5A according to an embodiment of the present invention;
FIG. 5F is a schematic structural diagram of a modified structure of the display control apparatus depicted in FIG. 5A according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of another electronic device disclosed in the embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The electronic devices involved in the embodiments of the present application may include various handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem with wireless communication functions, as well as various forms of User Equipment (UE), Mobile Stations (MS), terminal equipment (terminal device), and so on. For convenience of description, the above-mentioned devices are collectively referred to as electronic devices.
The following describes embodiments of the present application in detail.
Referring to fig. 1A, fig. 1A is a schematic structural diagram of an electronic device 100 according to an embodiment of the present disclosure, where the electronic device 100 includes: the brain wave monitoring device comprises a shell 110, a circuit board 120 arranged in the shell 110, a brain wave sensor 130 and a display screen 140 arranged on the shell 110, wherein a processor 121 is arranged on the circuit board 120, the brain wave sensor 120 is connected with the processor 121, and the processor 121 is connected with the display screen 140; wherein the content of the first and second substances,
the brain wave sensor is used for acquiring brain wave signals of a user;
the processor is used for determining a target distance between the user and the electronic equipment through the brain wave signals; and adjusting the display parameters of the display picture according to the target distance.
The brain wave sensor 130 may also be referred to as a brain wave chip, a brain wave receiver, etc., the brain wave sensor 130 is integrated in an electronic device, has a dedicated signal processing circuit, and is connected to the processor 121 of the electronic device, the brain wave sensor 130 may be divided into a current type brain wave sensor and an electromagnetic type brain wave sensor according to the type of the collected signal, the current type brain wave sensor collects a bioelectric current generated by a cerebral cortex, and the electromagnetic type brain wave sensor collects an electromagnetic wave radiated when the brain of the person moves. It is understood that the specific form of the brain wave sensor may be various and is not limited thereto.
For example, as shown in fig. 1B, the brain wave sensor 130 may include an antenna module and a signal processing module, and may be specifically integrated on a main circuit board of the electronic device, the antenna module collects electromagnetic wave signals generated during the activity of the human brain, and the signal processing module performs denoising, filtering and other processing on the electromagnetic wave signals, and finally forms a reference brain wave signal and sends the reference brain wave signal to the processor 130 for processing.
For another example, as shown in fig. 1C and 1D, the brain wave sensor 130 may include a wearable signal collector, the wearable signal collector may be accommodated in an accommodating cavity of a rear housing of the electronic device shown in fig. 1C, and when the wearable signal collector is used, as shown in fig. 1D, the wearable signal collector is connected to the local terminal of the electronic device through a wired connection or a wireless connection (the wireless connection corresponds to the wearable signal collector integrated with the wireless communication module to communicate with the local terminal of the electronic device).
Optionally, the wearable signal collector may include at least one of: a brain wave helmet, a brain wave earring, a brain wave hearing aid, brain wave glasses, a brain wave hairpin, a brain wave intracorporeal implant chip, a brain wave patch, a brain wave earphone, and the like.
Further by way of example, as shown in fig. 1E, taking the case of implanting a brain wave body-implanted chip in the user body, the brain wave body-implanted chip is used for connecting a plurality of neuron sensors, each neuron sensor is disposed in each neuron and is used for receiving a brain wave signal from each neuron. In specific work, the neuron sensor collects brain wave signals from neurons, sends the brain wave signals carrying neuron identifications of the neurons to the brain wave in-vivo implanted chip, and sends the brain wave signals to the brain wave sensor through the brain wave in-vivo implanted chip. As shown in fig. 1F, of course, if the distance between the user and the electronic equipment is greater than the preset distance, the brain wave signal may be amplified by the brain wave signal amplifier, and then the amplified brain wave signal may be transmitted to the brain wave intracorporeal implant chip. The neuron identifier is used for uniquely identifying the neuron, and the neuron identifier may be specifically a number, a position coordinate, a neuron name, or the like.
Therefore, the brain wave signal in the embodiment of the present application may be at least one of: a brain wave signal of the left brain, a brain wave signal of the right brain, a brain wave signal of at least one neuron, a brain wave signal from a certain region of the cerebral cortex, and the like, which are not limited herein.
As another example, as shown in fig. 1G to 1I, the brain wave sensor 130 may include an electrode array embedded in the scalp to capture electrical signals of neurons, and a signal processing module having a needle-shaped electrode portion, and the signal processing circuit portion may include a signal amplifier, a signal filter, a signal separator, an analog-to-digital conversion circuit, an interface circuit, and the like.
The processor 121 includes an application processor and a baseband processor, and is a control center of the electronic device, and is connected to various parts of the electronic device through various interfaces and lines, and executes various functions and processes data of the electronic device by running or executing software programs and/or modules stored in the memory and calling data stored in the memory, thereby performing overall monitoring of the electronic device. The application processor mainly processes an operating system, a user interface, application programs and the like, and the baseband processor mainly processes wireless communication. It will be appreciated that the baseband processor described above may not be integrated into the processor. The memory may be used to store software programs and modules, and the processor 121 executes various functional applications and data processing of the electronic device by operating the software programs and modules stored in the memory.
It can be seen that the electronic device described in the embodiment of the present application includes a brain wave sensor and a processor, and by acquiring a brain wave signal of a user, a target distance between the user and the electronic device is determined through the brain wave signal, and a display parameter of a display screen is adjusted according to the target distance.
In one possible example, in the aspect of determining the target distance between the user and the electronic device through the brain wave signal, the processor 121 is specifically configured to:
determining a target emotion and a target signal strength of the user through the brain wave signal;
selecting a target mapping relation corresponding to the target emotion from a preset mapping relation set, wherein a plurality of groups of mapping relations are stored in the mapping relation set, each group of mapping relations corresponds to one emotion, and each group of mapping relations is a mapping relation between signal intensity and distance;
and determining the target distance corresponding to the target signal strength according to the target mapping relation.
In one possible example, in terms of the adjusting the display parameter of the display according to the target distance, the processor is specifically configured to:
determining the adjusted first display parameter of the display picture according to the following formula:
x2＝x1，d＞d0；
wherein x is2A first display parameter, x, adjusted for the display1For the display parameters before the adjustment of the display picture, u is an adjustment factor, 0<u<1, d is the target distance, d1A predetermined reference distance, d0Is a preset distance threshold;
and displaying the display picture according to the adjusted first display parameter.
In one possible example, in terms of the adjusting the display parameter of the display screen according to the target distance, the processor is specifically configured to:
acquiring the propagation direction of the brain wave signal;
dividing a display screen of the electronic equipment into a plurality of areas, and determining an angle between the direction of the user and each area of the plurality of areas according to the brain wave propagation direction to obtain a plurality of angles;
determining a first distance parameter according to the target distance;
determining an area display parameter corresponding to each area in the plurality of areas according to the plurality of angles and the first distance parameter to obtain a plurality of area display parameters;
displaying each region of the plurality of regions according to the plurality of region display parameters.
In one possible example, in terms of the adjusting the display parameter of the display according to the target distance, the processor is specifically configured to:
determining target vision information of the user according to the brain wave signals;
and determining a second display parameter of the display picture after adjustment according to the target vision information and the target distance, and displaying the display picture according to the second display parameter after adjustment.
Referring to fig. 2A, fig. 2A is a schematic flowchart of a display control method according to an embodiment of the present application, applied to an electronic device as shown in fig. 1A, where the electronic device includes a brain wave sensor and a processor, and the display control method according to the embodiment may include the following steps:
201. the brain wave signals of the user are acquired.
In an embodiment of the application, the electronic device may collect brain wave signals of a user in a preset first time period during a process that the user watches a display picture, where the display picture may be any one of: the video playing pictures can be, for example, network videos, live videos, sports platforms and other video pictures.
Optionally, in the process of playing the video, the electronic device may detect whether the electronic device is held by the user, if the electronic device is not held by the user, the brain wave signal of the user is acquired, and if the electronic device is held by the user, the process is terminated.
Optionally, when a first user and a second user watch a display picture of the electronic device, a first brain wave signal of the first user and a second brain wave signal of the second user may be obtained, a first signal strength is determined according to the first brain wave signal, a second signal strength is determined according to the second brain wave signal, if the first signal strength is smaller than the second signal strength, a target distance is determined according to the first signal strength, and then a display parameter of the display picture is adjusted according to the target distance, so that a display effect of the display page can simultaneously meet a requirement that the first user and the second user watch videos.
202. Determining a target distance between the user and the electronic equipment through the brain wave signal.
In the embodiment of the present application, since the farther the distance between the brain wave sensor and the brain wave signal source (user) is, the smaller the signal strength of the brain wave signal is in the process of acquiring the brain wave signal by the brain wave sensor, the distance between the user and the electronic device can be determined according to the acquired brain wave signal.
Optionally, in the step 202, determining the target distance between the user and the electronic device according to the brain wave signal specifically includes the following steps:
determining a target emotion and a target signal strength of the user through the brain wave signal;
selecting a target mapping relation corresponding to the target emotion from a preset mapping relation set, wherein a plurality of groups of mapping relations are stored in the mapping relation set, each group of mapping relations corresponds to one emotion, and each group of mapping relations is a mapping relation between signal intensity and distance;
and determining the target distance corresponding to the target signal strength according to the target mapping relation.
Wherein, the target emotion can be any one of the following: pleasure, excitement, depression, anger, dislike, anger, fear, tension, and the like, and the embodiment of the present application is not particularly limited.
In the embodiment of the application, emotion recognition can be performed on the brain wave signals to determine a target emotion of a user, specifically, denoising can be performed on the brain wave signals to obtain reference brain wave signals, analog-to-digital conversion can be performed on the reference brain wave signals to obtain target brain wave signals, electroencephalograms are generated according to the target brain wave signals, target template electroencephalograms matched with the electroencephalograms in a preset electroencephalogram template library are obtained, and the target emotion corresponding to the target template electroencephalograms is determined according to a corresponding relation between the preset target template electroencephalograms and emotions.
In the embodiment of the present application, in the case where there is a target distance from the electronic device, it is considered that the signal intensity of the brain waves of the user may be affected by the emotion of the user, for example, when the emotion of the user is more intense, the signal intensity of the brain waves is stronger, and therefore, the mapping relation between a plurality of groups of distances and brain wave signals under different emotions of the user can be obtained in advance, and particularly, under any emotion, acquiring a plurality of brain wave signals under a plurality of different distances, determining the signal intensity of the brain wave signals, obtaining the mapping relation between the distance and the signal intensity of the user under the emotion, in this way, the influence on the accuracy of target distance detection due to the emotion of the user can be reduced, for example, and determining a target mapping relation corresponding to the excitement according to the target emotion recognized by the brain wave signal of the user as the excitement, and further determining a target distance corresponding to the target signal intensity from the target mapping relation.
203. And adjusting the display parameters of the display picture according to the target distance.
In an embodiment of the present application, the display parameter may include at least one of: brightness, color temperature or resolution, font size, etc., for example, for a video playing page, when the user views the video, the distance from the electronic device changes, and the resolution or font size of the displayed page can be adjusted to enable the user to clearly view the displayed page.
In the embodiment of the application, the first display parameter after the adjustment of the display picture can be determined according to the target distance, the display parameter before the adjustment of the display picture is obtained, and if the display parameter before the adjustment of the display picture is inconsistent, the display picture is displayed according to the first display parameter after the adjustment.
Optionally, in step 203, adjusting the display parameters of the display screen according to the target distance may include the following steps:
31. determining the adjusted first display parameter of the display picture according to the following formula:
x2＝x1，d＞d0；
wherein x is2A first display parameter, x, adjusted for the display1For the display parameters before the adjustment of the display picture, u is an adjustment factor, 0<u<1, d is the orderDistance of scale, d1A predetermined reference distance, d0Is a preset distance threshold;
32. and displaying the display picture according to the adjusted first display parameter.
The preset distance threshold may be set by a user, optionally, the preset distance threshold may also be set according to a size of a display page of the electronic device, specifically, the first size of the display screen of the electronic device may be obtained, and a display ratio of the display page to the display screen may be obtained, for example, when the electronic device plays a video, the ratio of a current video playing page to the display screen may be obtained, the second size of the display page may be determined according to the first size and the display ratio, and the preset distance threshold corresponding to the second size may be determined according to a corresponding relationship between the preset size and the distance threshold, where the preset distance threshold may be, for example, 1.5m, 2m, and the like. The preset reference distance can be set by the user, or set by default of the system, d1>0. The preset reference distance is a lower distance threshold, i.e. less than or equal to d1Then, the display screen is displayed with default display parameters.
In the embodiment of the application, when the target distance is smaller than the preset distance threshold, the corresponding first display parameter can be calculated according to the target distance, and when the target distance is greater than or equal to the preset distance threshold, it indicates that the user is difficult to view the display image of the electronic device.
Optionally, after the first display parameter is determined, if the electronic device receives a split-screen instruction, the size of the display area of the display page may be determined according to a split-screen coefficient carried by the split-screen instruction, and then the split-screen display parameter is determined according to the second size of the display area, where the split-screen display parameter is greater than the first display parameter, for example, in a process of watching a video by a user, a chat application running in a background of the electronic device receives a message, which may trigger the split-screen instruction, so that the electronic device simultaneously displays the video application and a display interface of the chat application, at this time, the size of the display page of the video application may change, which may cause a reduction in the display effect of the video watched by the user, and therefore, the display page of the video application may be displayed according to the split-screen display parameter, so that the video display page after being split-screen.
Optionally, in step 203, adjusting the display parameters of the display screen according to the target distance may include the following steps:
acquiring the propagation direction of the brain wave signal;
dividing a display screen of the electronic equipment into a plurality of areas, and determining an angle between the direction of the user and each area of the plurality of areas according to the brain wave propagation direction to obtain a plurality of angles;
determining a first distance parameter according to the target distance;
determining an area display parameter corresponding to each area in the plurality of areas according to the plurality of angles and the first distance parameter to obtain a plurality of area display parameters;
displaying each region of the plurality of regions according to the plurality of region display parameters.
The first distance parameter is a parameter corresponding to the target distance, and the manner of determining the first distance parameter according to the target distance is the same as the manner of determining the first display parameter according to the target distance in step 31, which is not described herein again.
Optionally, the display screen is divided into a plurality of regions, and the division may be performed along the propagation direction of the brain wave signal, specifically, the projection of a straight line determining the propagation direction of the brain wave signal on the plane where the display screen is located is divided into a plurality of regions along the projection direction.
Referring to fig. 2B, fig. 2B is a schematic diagram illustrating a position between a user and a display screen of an electronic device according to an embodiment of the present disclosure, as shown in fig. 2B, when the user moves while watching a display screen, there may be a certain angle between the user and the display screen of the electronic device, and considering that the effect of the user watching the display screen may be affected due to this condition, the display screen may be divided into a plurality of partitions, a brain wave propagation direction is obtained according to a brain wave sensor, a position of the user is determined according to the brain wave propagation direction, a first position of the user is determined according to the position and a target distance of the user, a coordinate system may be established on the display screen, then a connection line between the first position and a central position point of each partition of the plurality of partitions is determined, a plurality of connection lines are obtained, and an included angle between each connection line of the plurality of connection lines and the display screen is determined, the method comprises the steps of obtaining a plurality of included angles, determining a reference display parameter corresponding to a target distance according to the target distance, then determining an angle influence factor corresponding to each included angle in the plurality of included angles from a preset corresponding relation between the included angles and the angle influence factors, and further calculating an area display parameter corresponding to each subarea according to the angle influence factor corresponding to each included angle and the reference display parameter.
It can be seen that the display control method described in the embodiments of the present application is applied to an electronic device including a brain wave sensor and a processor, and the method reduces the influence of the emotion of the user on the accuracy of the target distance by acquiring the brain wave signal of the user, determining the target distance between the user and the electronic device according to the brain wave signal, determining the target emotion of the user according to the brain wave signal, determining the target signal strength of the brain wave signal, determining the mapping relationship between the signal strength and the distance according to the target emotion, and then adjusting the display parameters of the display screen according to the target distance and the angle between the user and the display screen of the electronic device, so that the display parameters can be dynamically adjusted according to the target distance between the user and the electronic device, so that the user adjusts the display parameters according to the distance during viewing the display screen, and the user experience is improved.
In accordance with the above, please refer to fig. 3, which is a flowchart illustrating an embodiment of a display control method according to an embodiment of the present application. The display control method described in this embodiment may include the following steps:
301. the brain wave signals of the user are acquired.
In the embodiment of the application, during the process of playing the video, the electronic device may detect whether the electronic device receives a command triggered by a user within a specified time, if the electronic device does not receive the triggering command of the user within the specified time, the electronic device notifies the electroencephalogram sensor to collect electroencephalogram signals of the user, if the electronic device receives the triggering command of the user within the specified time, the process is terminated, the electronic device receives the triggering command of the user within the specified time, which indicates that the distance between the user and the electronic device is relatively short, at this time, the user may view the display image of the electronic device more clearly, and the display parameter does not need to be adjusted by the distance between the user and the electronic device, wherein the command triggered by the user may include a command triggered by a physical key or a virtual key on the electronic device, and the specified time may be, for example, 1min, 2min, etc.
302. Determining a target distance between the user and the electronic equipment through the brain wave signal.
The detailed description of step 302 may refer to step 202 corresponding to the display control method described with reference to fig. 2A, and is not repeated herein.
303. And determining target vision information of the user according to the brain wave signals.
In the embodiment of the application, considering that the eyesight of the user may affect the effect of viewing the display page, the target eyesight information of the user may be determined according to the brain wave signal, and then the display picture may be adjusted according to the target eyesight information. The vision information may include at least one of the following parameters: vision values (what the vision is specific, e.g., 1.0), astigmatism values, and the above preprocessing may include any one of: denoising processing, amplification processing, and the like.
Optionally, the step 304 of determining the target vision information of the user according to the brain wave signal may include the following steps:
41. analyzing according to the brain wave signal to obtain target identity verification information of the user;
42. and determining the target vision information corresponding to the target identity verification information according to a preset mapping relation between the identity verification information and the vision information.
The identity authentication information may be at least one of the following: the natural frequency of the brain wave, the waveform of the brain wave, the electroencephalogram converted from the brain wave, the specified content analyzed from the brain wave signal, and the like, and the above-mentioned authentication information may also be the content characterized by the brain wave signal, for example, the content may be at least one of the following: user mood, age, gender, wisdom, occupation, species, race (yellow race, white race, black race, mixed race, etc.), etc. Different users correspond to different brain waves, so that the identities of different users can be identified through the difference of the brain waves, for the brain waves, the brain waves of each user can correspond to a natural frequency, the unique identification of the user identity can be realized through the natural frequency, similarly, the waveform of the brain waves or the electroencephalograms converted from the brain waves are also the same, the unique identification of the user identity can also be realized, and the specified content can be as follows: text, characters, patterns, sounds, tastes, objects, actions, and the like. The designated contents analyzed from the brain wave signals may be carried on the brain wave signals when the user meditates the "designated contents", and the electronic device may perform the second analysis on the brain wave signals, from which the "designated contents" may be extracted. The step 41 can be implemented as follows: the brain wave signals of the user can be preprocessed to obtain the processed brain wave signals, the processed brain wave signals are subjected to feature extraction to obtain feature values, and target identity verification information corresponding to the feature values is determined according to the corresponding relation between the feature values and the identity verification information.
304. And determining a second display parameter of the display picture after adjustment according to the target vision information and the target distance, and displaying the display picture according to the second display parameter after adjustment.
In the embodiment of the application, a mapping relationship set may be pre-stored in the electronic device, where the mapping relationship set includes a plurality of mapping relationships, each mapping relationship corresponds to one piece of vision information, and each mapping relationship is used to represent a mapping relationship between a distance and a display parameter, so that a target mapping relationship corresponding to target vision information may be selected from the mapping relationship set, a second adjusted display parameter of a display corresponding to a target distance is determined according to the target mapping relationship, and the display is displayed according to the second adjusted display parameter.
It can be seen that the display control method described in the embodiment of the present application is applied to an electronic device, where the electronic device includes a brain wave sensor and a processor, and the method determines a target distance between a user and the electronic device according to a brain wave signal of the user, and then adjusts a display parameter of a display image according to the target distance and target vision information of the user, so that the display parameter can be dynamically adjusted according to the target distance between the user and the electronic device and the vision of the user, so that the user adjusts the display parameter according to the distance in a process of viewing the display image, and user experience is improved.
The following is a device for implementing the display control method, specifically as follows:
in accordance with the above, please refer to fig. 4, in which fig. 4 is an electronic device according to an embodiment of the present application, including: a processor and a memory; and one or more programs stored in the memory and configured to be executed by the processor, the programs including instructions for performing the steps of:
acquiring brain wave signals of a user;
determining a target distance between the user and the electronic equipment through the brain wave signal;
and adjusting the display parameters of the display picture according to the target distance.
In one possible example, in the determining of the target distance between the user and the electronic device through the brain wave signal, the program includes instructions for performing the steps of:
determining a target emotion and a target signal strength of the user through the brain wave signal;
selecting a target mapping relation corresponding to the target emotion from a preset mapping relation set, wherein a plurality of groups of mapping relations are stored in the mapping relation set, each group of mapping relations corresponds to one emotion, and each group of mapping relations is a mapping relation between signal intensity and distance;
and determining the target distance corresponding to the target signal strength according to the target mapping relation.
In one possible example, in the adjusting of the display parameter of the display screen according to the target distance, the program includes instructions for:
determining the adjusted first display parameter of the display picture according to the following formula:
x2＝x1，d＞d0；
wherein x is2A first display parameter, x, adjusted for the display1For the display parameters before the adjustment of the display picture, u is an adjustment factor, 0<u<1, d is the target distance, d1A predetermined reference distance, d0Is a preset distance threshold;
and displaying the display picture according to the adjusted first display parameter.
In one possible example, in the adjusting of the display parameter of the display screen according to the target distance, the program includes instructions for:
acquiring the propagation direction of the brain wave signal;
dividing a display screen of the electronic equipment into a plurality of areas, and determining an angle between the direction of the user and each area of the plurality of areas according to the brain wave propagation direction to obtain a plurality of angles;
determining a first distance parameter according to the target distance;
determining an area display parameter corresponding to each area in the plurality of areas according to the plurality of angles and the first distance parameter to obtain a plurality of area display parameters;
displaying each region of the plurality of regions according to the plurality of region display parameters.
In one possible example, in the adjusting of the display parameter of the display screen according to the target distance, the program includes instructions for:
determining target vision information of the user according to the brain wave signals;
and determining a second display parameter of the display picture after adjustment according to the target vision information and the target distance, and displaying the display picture according to the second display parameter after adjustment.
Referring to fig. 5A, fig. 5A is a schematic structural diagram of a display control apparatus according to the present embodiment. The display control apparatus is applied to an electronic device including a brain wave sensor, and includes an acquisition unit 501, a determination unit 502, and an adjustment unit 503, wherein,
an acquisition unit 501 for acquiring brain wave signals of a user;
a determination unit 502 for determining a target distance between the user and the electronic device through the brain wave signal;
an adjusting unit 503, configured to adjust a display parameter of the display screen according to the target distance.
Alternatively, as shown in fig. 5B, fig. 5B is a detailed structure of the determining unit 502 of the display control apparatus depicted in fig. 5A, and the determining unit 502 may include: the first determining module 5021, the selecting module 5022 and the second determining module 5023 are specifically as follows:
the first determining module 5021 is configured to determine a target emotion and a target signal strength of the user through the brain wave signal;
the selecting module 5022 is configured to select a target mapping relationship corresponding to the target emotion from a preset mapping relationship set, where multiple sets of mapping relationships are stored in the mapping relationship set, each set of mapping relationship corresponds to one emotion, and each set of mapping relationship is a mapping relationship between signal intensity and distance;
the second determining module 5023 is configured to determine the target distance corresponding to the target signal strength according to the target mapping relationship.
Alternatively, as shown in fig. 5C, fig. 5C is a detailed structure of the adjusting unit 503 of the display control apparatus depicted in fig. 5A, and the adjusting unit 503 may include: the calculation module 5031 and the first adjustment module 5032 are as follows:
the calculating module 5031 is configured to determine the adjusted first display parameter of the display screen according to the following formula:
x2＝x1，d＞d0；
wherein x is2A first display parameter, x, adjusted for the display1For the display parameters before the adjustment of the display picture, u is an adjustment factor, 0<u<1, d is the target distance, d1A predetermined reference distance, d0Is a preset distance threshold;
the first adjusting module 5032 is configured to display the display image according to the adjusted first display parameter.
Alternatively, as shown in fig. 5D, fig. 5D is another specific detailed structure of the adjusting unit 503 of the display control apparatus depicted in fig. 5A, and the adjusting unit 503 may include: the obtaining module 5033, the third determining module 5034 and the second adjusting module 5035 are as follows:
the obtaining module 5033 is configured to determine a brain wave propagation direction;
the third determining module 5034 is configured to divide a display screen of the electronic device into a plurality of regions, determine an angle between the orientation of the user and each of the plurality of regions according to the brain wave propagation direction to obtain a plurality of angles, and determine a first distance parameter according to the target distance;
determining an area display parameter corresponding to each area in the plurality of areas according to the plurality of angles and the first distance parameter to obtain a plurality of area display parameters;
the second adjusting module 5035 is configured to display each of the plurality of regions according to the plurality of region display parameters.
Alternatively, as shown in fig. 5E, fig. 5E is another specific detailed structure of the adjusting unit 503 of the display control apparatus depicted in fig. 5A, where the adjusting unit 503 may include: the fourth determining module 5036 and the third adjusting module 5037 are as follows:
a fourth determining module 5036, configured to determine target vision information of the user according to the brain wave signal;
a third adjusting module 5037, configured to determine, according to the target vision information and the target distance, a second display parameter after the display image is adjusted, and display the display image according to the second display parameter after the adjustment.
Alternatively, as shown in fig. 5F, fig. 5F is a modified structure of the display control device depicted in fig. 5A, which is compared with fig. 5A, and may further include: the receiving unit 504 and the determining unit 505 are specifically as follows:
the receiving unit 504 is configured to receive a split-screen trigger instruction;
the judging unit 505 is configured to judge whether the display screen becomes smaller;
the adjusting unit 503 is further configured to adjust the display parameter of the video to a second display parameter larger than the first display parameter when the display screen becomes smaller.
It can be seen that the display control apparatus described in the embodiments of the present application is applied to an electronic device, which includes a brain wave sensor and a processor, and is configured to determine a target distance between a user and the electronic device according to a brain wave signal by acquiring the brain wave signal of the user, determine a target emotion of the user according to the brain wave signal, determine a target signal intensity of the brain wave signal, determine a mapping relationship between the signal intensity and the distance according to the target emotion, thereby reducing the influence of the emotion of the user on the accuracy of the target distance, and then adjust display parameters of a display screen according to the target distance, an angle between the user and a display screen of the electronic device, and target eyesight information for the user, so that the display parameters can be dynamically adjusted according to the target distance between the user and the electronic device and the target eyesight information of the user, so that the user can watch the display screen, and the display parameters are adjusted according to the distance, so that the user experience is improved.
It can be understood that the functions of each program module of the display control apparatus in this embodiment may be specifically implemented according to the method in the foregoing method embodiment, and the specific implementation process may refer to the related description of the foregoing method embodiment, which is not described herein again.
As shown in fig. 6, for convenience of description, only the portions related to the embodiments of the present application are shown, and details of the specific technology are not disclosed, please refer to the method portion of the embodiments of the present application. The electronic device may be any terminal device including a mobile phone, a tablet computer, a PDA (personal digital assistant), a POS (point of sales), a vehicle-mounted computer, etc., taking the electronic device as the mobile phone as an example:
the electronic device 6000 as shown in fig. 6 includes: at least one processor 6011, a memory 6012, communication interfaces (including SIM interface 6014, audio input interface 6015, serial interface 6016, and other communication interfaces 6017), a signal processing module 6013 (including receiver 6018, transmitter 6019, LOs6020, and signal processor 6021), and input and output modules (including a display 6022, speakers 6023, microphones 6024, sensors 6025, etc.). Those skilled in the art will appreciate that the electronic device configuration shown in fig. 6 does not constitute a limitation of the electronic device and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the electronic device in detail with reference to fig. 6:
the processor 6011 is a control center of the mobile phone, connects various parts of the whole mobile phone by using various interfaces and lines, and performs various functions of the electronic device and processes data by operating or executing software programs and/or modules stored in the memory 6012 and calling data stored in the memory, thereby integrally monitoring the electronic device. Alternatively, the processor may integrate an application processor (e.g., a CPU, or GPU) that primarily handles operating systems, user interfaces, application programs, etc., and a modem processor that primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor.
The processor 6011 is configured to perform the following steps:
acquiring brain wave signals of a user;
determining a target distance between the user and the electronic equipment through the brain wave signal;
and adjusting the display parameters of the display picture according to the target distance.
The memory 6012 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function, and the like; the storage data area may store data created according to use of the electronic device, and the like. In addition, the memory may include a high-speed random access memory, and may further include a non-volatile memory, such as at least one disk storage device, a flash memory device, or other volatile solid-state storage device.
The communication interface is used for performing communication connection with an external device, and includes a SIM interface 6014, an audio input interface 6015, a serial interface 6016, and another communication interface 6017.
The input-output module 6010 may include a display 6022, a speaker 6023, a microphone 6024, sensors 6025, etc., wherein the sensors 6025 may include light sensors, motion sensors, brain wave sensors, cameras, and other sensors. Specifically, the light sensor may include an environment sensor and a proximity sensor, wherein the environment sensor may adjust brightness of the touch display screen according to brightness of ambient light, and the proximity sensor may turn off the touch display screen and/or the backlight when the mobile phone moves to the ear. The motion sensor may be, for example, an accelerometer sensor, which can detect the magnitude of acceleration in various directions (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of the electronic device (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, tapping), and the like. The brain wave sensor in the embodiment of the application can be used for collecting brain wave signals of a user.
The signal processing module 6013 is configured to process a signal received by the electronic device from an external device and send the signal to the external device, where the external device may be a base station, for example, the receiver 6018 is configured to receive the signal sent by the external device and transmit the signal to the signal processor 6021, and the transmitter 6019 is configured to transmit the signal output by the signal processor 6021.
In the foregoing embodiments shown in fig. 2A or fig. 3, the method flow of each step may be implemented based on the structure of the electronic device.
In the embodiments shown in fig. 4 and fig. 5A to 5F, the functions of the units may be implemented based on the structure of the mobile phone.
Embodiments of the present application also provide a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program causes a computer to execute part or all of the steps of any one of the display control methods as described in the above method embodiments.
Embodiments of the present application also provide a computer program product comprising a non-transitory computer-readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps of any one of the display control methods as set forth in the above method embodiments.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may be implemented in the form of a software program module.
The integrated units, if implemented in the form of software program modules and sold or used as stand-alone products, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a memory, and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned memory comprises: various media capable of storing program codes, such as a usb disk, a read-only memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and the like.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash disk, ROM, RAM, magnetic or optical disk, and the like.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (11)
1. An electronic apparatus, characterized in that the electronic apparatus includes a brain wave sensor and a processor, wherein,
the brain wave sensor is used for acquiring brain wave signals of a user;
the processor is used for determining a target distance between the user and the electronic equipment through the brain wave signals; adjusting display parameters of a display picture according to the target distance;
wherein, in said determining a target distance between the user and the electronic device from the brain wave signals, the processor is specifically configured to:
determining a target emotion and a target signal strength of the user through the brain wave signal;
selecting a target mapping relation corresponding to the target emotion from a preset mapping relation set, wherein a plurality of groups of mapping relations are stored in the mapping relation set, each group of mapping relations corresponds to one emotion, and each group of mapping relations is a mapping relation between signal intensity and distance;
and determining the target distance corresponding to the target signal strength according to the target mapping relation.
2. The electronic device of claim 1, wherein in adjusting the display parameter of the display based on the target distance, the processor is specifically configured to:
determining the adjusted first display parameter of the display picture according to the following formula:
x2＝x1，d＞d0；
wherein x is2A first display parameter, x, adjusted for the display1For the display parameters before the adjustment of the display picture, u is an adjustment factor, 0<u<1, d is the target distance, d1A predetermined reference distance, d0Is a preset distance threshold;
and displaying the display picture according to the adjusted first display parameter.
3. The electronic device of claim 1, wherein in adjusting the display parameter of the display based on the target distance, the processor is specifically configured to:
acquiring the propagation direction of the brain wave signal;
dividing a display screen of the electronic equipment into a plurality of areas, and determining an angle between the direction of the user and each area of the plurality of areas according to the brain wave propagation direction to obtain a plurality of angles;
determining a first distance parameter according to the target distance;
determining an area display parameter corresponding to each area in the plurality of areas according to the plurality of angles and the first distance parameter to obtain a plurality of area display parameters;
displaying each region of the plurality of regions according to the plurality of region display parameters.
4. The electronic device of claim 1, wherein in adjusting the display parameter of the display based on the target distance, the processor is specifically configured to:
determining target vision information of the user according to the brain wave signals;
and determining a second display parameter of the display picture after adjustment according to the target vision information and the target distance, and displaying the display picture according to the second display parameter after adjustment.
5. A display control method is applied to an electronic device, and the method comprises the following steps:
acquiring brain wave signals of a user;
determining a target distance between the user and the electronic equipment through the brain wave signal;
adjusting display parameters of a display picture according to the target distance;
wherein the determining of the target distance between the user and the electronic device through the brain wave signal includes:
determining a target emotion and a target signal strength of the user through the brain wave signal;
selecting a target mapping relation corresponding to the target emotion from a preset mapping relation set, wherein a plurality of groups of mapping relations are stored in the mapping relation set, each group of mapping relations corresponds to one emotion, and each group of mapping relations is a mapping relation between signal intensity and distance;
and determining the target distance corresponding to the target signal strength according to the target mapping relation.
6. The method of claim 5, wherein the adjusting the display parameters of the display according to the target distance comprises:
determining the adjusted first display parameter of the display picture according to the following formula:
x2＝x1，d＞d0；
wherein x is2A first display parameter, x, adjusted for the display1For the display parameters before the adjustment of the display picture, u is an adjustment factor, 0<u<1, d is the target distance, d1A predetermined reference distance, d0Is a preset distance threshold;
and displaying the display picture according to the adjusted first display parameter.
7. The method of claim 5, wherein the adjusting the display parameters of the display according to the target distance comprises:
acquiring the propagation direction of the brain wave signal;
dividing a display screen of the electronic equipment into a plurality of areas, and determining an angle between the direction of the user and each area of the plurality of areas according to the brain wave propagation direction to obtain a plurality of angles;
determining a first distance parameter according to the target distance;
determining an area display parameter corresponding to each area in the plurality of areas according to the plurality of angles and the first distance parameter to obtain a plurality of area display parameters;
displaying each region of the plurality of regions according to the plurality of region display parameters.
8. The method of claim 5, wherein the adjusting the display parameters of the display according to the target distance comprises:
determining target vision information of the user according to the brain wave signals;
and determining a second display parameter of the display picture after adjustment according to the target vision information and the target distance, and displaying the display picture according to the second display parameter after adjustment.
9. A display control apparatus applied to an electronic device, comprising:
an acquisition unit for acquiring a brain wave signal of a user;
a determination unit for determining a target distance between the user and the electronic device through the brain wave signal;
the adjusting unit is used for adjusting display parameters of a display picture according to the target distance;
wherein the determining of the target distance between the user and the electronic device through the brain wave signal includes:
determining a target emotion and a target signal strength of the user through the brain wave signal;
selecting a target mapping relation corresponding to the target emotion from a preset mapping relation set, wherein a plurality of groups of mapping relations are stored in the mapping relation set, each group of mapping relations corresponds to one emotion, and each group of mapping relations is a mapping relation between signal intensity and distance; and determining the target distance corresponding to the target signal strength according to the target mapping relation.
10. An electronic device, comprising: a processor and a memory; and one or more programs stored in the memory and configured to be executed by the processor, the programs comprising instructions for the method of any of claims 5-8.
11. A computer-readable storage medium for storing a computer program, wherein the computer program causes a computer to perform the method according to any one of claims 5-8.
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| CN114648942A (en) * | 2020-12-02 | 2022-06-21 | 深圳市奥拓电子股份有限公司 | LED display screen, local brightness adjusting method thereof and LED display controller |
| CN112967488B (en) * | 2021-04-09 | 2022-05-06 | 宁波奥克斯电气股份有限公司 | Air conditioner display control method and device and air conditioner |
| CN114115776A (en) * | 2021-11-16 | 2022-03-01 | 深圳Tcl新技术有限公司 | Display control method, display control device, electronic equipment and storage medium |
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