CN117834598A

CN117834598A - Video call method and device, electronic equipment and storage medium

Info

Publication number: CN117834598A
Application number: CN202410079697.XA
Authority: CN
Inventors: 郭锦炜; 罗勇峰
Original assignee: Shenzhen Tengxin Baina Technology Co ltd
Current assignee: Shenzhen Tengxin Baina Technology Co ltd
Priority date: 2024-01-18
Filing date: 2024-01-18
Publication date: 2024-04-05

Abstract

The application relates to a video call method, a video call device, electronic equipment and a storage medium, wherein the method comprises the steps of obtaining the current position, equipment type and moving state of target equipment when the target equipment receives a video call instruction, wherein the moving state represents the moving track of the target equipment in a first preset period before the target equipment receives the video call instruction; determining a target area of the target equipment for video call based on the current position and the moving state; determining at least one available signal source and signal strength corresponding to the at least one available signal source based on a target area and a device type corresponding to the target device; determining a target signal source from the at least one available signal source based on a signal strength corresponding to the at least one available signal source; the control target device performs video call based on the target signal source. The method and the device can reduce the power consumption of video call.

Description

Video call method and device, electronic equipment and storage medium

Technical Field

The present disclosure relates to the field of communications technologies, and in particular, to a video call method, a device, an electronic device, and a storage medium.

Background

With the development of the mobile internet, the demand of the video call of the user is increasingly strong, and compared with the traditional audio call, the video call can provide more real communication and expression for the user. When video call is carried out, devices such as a camera, a graphic processor, a central processing unit and the like of the communication equipment are required to work cooperatively, but the communication equipment has higher load when imaging, data transmission or image processing is carried out. When the communication device is located at the edge of the signal area or the dead angle of the signal, the signal of the communication device is poor, the communication device needs to search continuously and can switch the signal source frequently, and therefore the power consumption of the electronic device is high during video call. Therefore, how to reduce the power consumption of an electronic device during a video call is a problem to be solved.

Disclosure of Invention

In order to reduce energy consumption of video call, the application relates to a video call method, a device, electronic equipment and a storage medium.

In a first aspect, the present application provides a video call method, which adopts the following technical scheme:

the video call method comprises the steps that when a video call instruction is received by target equipment, the current position, equipment type and moving state of the target equipment are obtained, and the moving state represents a moving track of the target equipment in a first preset period before the video call instruction is received;

Determining a target area based on the current position and the moving state, wherein the target area is an area for video call of target equipment;

determining at least one available signal source and signal strength corresponding to the at least one available signal source based on a target area and a device type corresponding to the target device;

determining a target signal source from the at least one available signal source based on the signal strength corresponding to the at least one available signal source;

and controlling the target equipment to carry out video call based on the target signal source.

By adopting the technical scheme, when the target equipment receives the video call instruction, the target area of the video call, in which the target equipment is likely to perform the video call, is determined according to the current position and the moving state of the target equipment; further, according to the position of the target area and the equipment type of the target equipment, at least one available signal source capable of providing signal support for the video call of the target equipment and the signal intensity of each available signal source are determined; and determining the signal source with the highest signal strength as a target signal source from the determined at least one available signal source, and controlling the target equipment to carry out video call based on the target signal source. The control target device uses a signal source with better signal strength to carry out video call, so that the energy consumed by the target device due to switching signals when carrying out video call is reduced, and the energy consumption of the video call is further reduced.

In one possible implementation, determining, based on the signal strength corresponding to the at least one available signal source, a target signal source from the at least one available signal source includes:

acquiring the residual electric quantity of the target equipment;

determining a corresponding use priority of the at least one available signal source based on the residual electric quantity, wherein the use priority is used for representing the priority degree of video call of the target equipment by using the corresponding available signal source;

a target signal source is determined from the at least one available signal source based on the signal strength and usage priority corresponding to the at least one available signal source.

By adopting the technical scheme, the use priority corresponding to at least one available signal source is determined according to the residual electric quantity of the target equipment, and the priority order of video call carried out by using each available signal source is possibly different under the condition of different electric quantities; when the remaining power is low, the priority of use of the available signal sources with less power consumption may be higher. And further, according to the use priority and the signal intensity of each available signal source, comprehensive analysis is performed, and a target signal source is determined from at least one available signal source, so that the video call effect is better by using the determined target signal source.

In one possible implementation manner, a video call method further includes:

if the signal intensities corresponding to the at least one available signal source are smaller than the first preset intensity, acquiring signal distribution information corresponding to the at least one available signal source;

determining a target signal point based on the current position of the target device and signal distribution information corresponding to the at least one available signal source;

and determining and outputting first prompt information based on the target signal point.

By adopting the technical scheme, if the signal intensity of at least one available signal source corresponding to the target equipment is smaller than the first preset intensity, the effect of the target equipment on video call in the target area is poor; according to the current position of the target device and signal distribution information corresponding to at least one available signal source, determining a target signal point with signal strength greater than the first preset strength and closest to the current position, outputting first prompting information to prompt a user to go to the target signal point for video call, enabling the signal strength of the user to be higher when the user performs video call, and further reducing energy consumption when the video call is performed.

In one possible implementation manner, a video call method further includes:

Acquiring image information and displacement information respectively corresponding to at least two second preset time periods after video call of the target equipment is started, wherein each image information comprises a plurality of video call images shot by the target equipment in the corresponding second preset time periods, and each displacement information comprises displacement frequency and displacement distance of the target equipment in the corresponding second preset time periods;

determining a call mode of the target equipment based on the image information and the displacement information respectively corresponding to the at least two second preset time periods, wherein the call mode comprises an energy-saving mode and a conventional mode;

and controlling the target equipment to conduct video call based on the call mode.

By adopting the technical scheme, after the target equipment starts to carry out video call, the acquired image information and displacement information respectively corresponding to at least two second preset time periods are analyzed to determine whether the target user uses the image function of the video call. If the fact that the target user does not use the image function currently is determined, controlling the target device to conduct video call in an energy-saving mode, and reducing energy consumption during video call; otherwise, the target equipment is controlled to carry out video call in a conventional mode, so that the call quality of the video call is ensured.

In one possible implementation manner, after controlling the target device to perform a video call based on the target signal source, when the signal strength of the target signal source is less than the second preset strength, the method further includes:

if the first preset number of instruction information is obtained, determining and outputting second prompt information, wherein the instruction information comprises an operation instruction sent by a user to target equipment;

if the instruction information of the second preset number is acquired, determining control information, wherein the control information comprises control duration and control instructions for target equipment, and the second preset number is larger than the first preset number;

and controlling information transmission of the target equipment based on the control information.

By adopting the technical scheme, after the control target equipment performs video call based on the target signal source, if the signal intensity of the target signal source is smaller than the second preset intensity, if the instruction information of the first preset number is acquired, determining and outputting second prompt information to prompt a user that the current signal is poor, channel congestion is caused, and the operation on the target equipment is reduced; by reducing the amount of information in the channel, the quality of the video call can be restored in a shorter time. If the second preset number of instruction information is acquired, the control instruction is used to enable the target equipment not to receive the operation instruction sent by the user in the control duration, so that the duration of channel congestion is reduced, the probability of video call information delay is reduced, and the use feeling of the user for video call can be improved.

In one possible implementation manner, a video call method further includes:

when a call connection instruction is received, obtaining the connection signal intensity of a target signal source;

determining an image acquisition device based on the on signal intensity, wherein the image acquisition device comprises a first image acquisition device and a second image acquisition device;

and controlling the target equipment to carry out video call based on the image acquisition device.

By adopting the technical scheme, when the target equipment receives communication, namely video communication connection time, the connection signal intensity corresponding to the target signal source at the current time is determined, the connection signal intensity is judged, and if the connection signal intensity is higher, the target equipment is controlled to use a first image acquisition device with higher resolution to carry out video communication; if the on signal strength is lower, the control target device uses the second image acquisition device with lower resolution to carry out video call, so that the power of the video call can be reduced. And determining a more suitable image acquisition device, so that the fluency of video call can be improved, the situation of video call blocking is reduced, and further the video call experience of a user is improved.

In one possible implementation manner, after receiving the call connection instruction, the method further includes:

Acquiring the corresponding conversation signal intensities at a plurality of preset moments;

when the plurality of call signal intensities meet the preset condition, the target equipment is controlled to carry out video call based on the second image acquisition device, wherein the preset condition is that the call signal intensities with third preset number are smaller than the first preset intensity.

By adopting the technical scheme, after receiving the call connection instruction, the call signal intensities corresponding to the preset moments are obtained, whether the obtained call signal intensities meet the preset conditions is judged, if the preset conditions are met, the signal of the area where the current target equipment is located is poor, the control target equipment performs video call based on the second image acquisition device, and the power consumption of the video call is reduced while the smoothness of the video call is ensured.

In a second aspect, the present application provides a video call apparatus, which adopts the following technical scheme:

a video telephony apparatus comprising:

the target equipment information acquisition module is used for acquiring the current position, equipment type and moving state of the target equipment when the target equipment receives the video call instruction, wherein the moving state represents the moving track of the target equipment in a first preset period before the video call instruction is received;

The target area determining module is used for determining a target area based on the current position and the moving state, wherein the target area is an area of the target equipment for video call;

the signal strength determining module is used for determining at least one available signal source and the signal strength corresponding to the at least one available signal source based on the target area and the equipment type corresponding to the target equipment;

the target signal source determining module is used for determining a target signal source from the at least one available signal source based on the signal strength corresponding to the at least one available signal source;

and the video call control module is used for controlling the target equipment to carry out video call based on the target signal source.

By adopting the technical scheme, when the target equipment receives the video call instruction, the target area of the video call, in which the target equipment is likely to perform the video call, is determined according to the current position and the moving state of the target equipment; further, according to the position of the target area and the equipment type of the target equipment, at least one available signal source capable of providing signal support for the video call of the target equipment and the signal intensity of each available signal source are determined; and determining the signal source with the highest signal strength as a target signal source from all available signal sources, and controlling target equipment to carry out video call based on the target signal source. The target equipment is controlled to use a signal source with better signal to carry out video call, so that the energy consumed by the target equipment due to the search signal is reduced, and the energy consumption of the video call is further reduced.

In one possible implementation manner, the target signal source determining module is specifically configured to, when determining a target signal source from the at least one available signal source based on a signal strength corresponding to the at least one available signal source:

acquiring the residual electric quantity of the target equipment;

In one possible implementation manner, a video call apparatus further includes:

the signal distribution information acquisition module is used for acquiring signal distribution information corresponding to the at least one available signal source;

a target signal point determining module, configured to determine a target signal point based on a current location of the target device and signal distribution information corresponding to the at least one available signal source;

and the first prompt information determining module is used for determining and outputting first prompt information based on the target signal point.

In one possible implementation manner, a video call apparatus further includes:

the communication information acquisition module is used for acquiring image information and displacement information respectively corresponding to at least two second preset time periods after the target equipment starts video communication, wherein each image information comprises a plurality of video communication images shot by the target equipment in the corresponding second preset time periods, and each displacement information comprises displacement frequency and displacement distance of the target equipment in the corresponding second preset time periods;

a call mode determining module, configured to determine a call mode of the target device based on the image information and the displacement information corresponding to the at least two second preset time periods, where the call mode includes an energy-saving mode and a normal mode;

and the communication mode control module is used for controlling the target equipment to carry out video communication based on the communication mode.

In one possible implementation manner, a video call apparatus further includes:

the second prompt information determining module is used for determining and outputting second prompt information if the first preset number of instruction information is acquired, wherein the instruction information comprises an operation instruction sent by a user to target equipment;

The control information determining module is used for determining control information if instruction information of a second preset number is acquired, wherein the control information comprises control duration and control instructions for target equipment, and the second preset number is larger than the first preset number;

and the information transmission control module is used for controlling information transmission of the target equipment based on the control information.

In one possible implementation manner, a video call apparatus further includes:

the communication signal intensity acquisition module is used for acquiring the communication signal intensity of the target signal source when receiving a communication instruction;

the image acquisition device determining module is used for determining an image acquisition device based on the intensity of the switching-on signal, and the image acquisition device comprises a first image acquisition device and a second image acquisition device;

and the first video call image control module is used for controlling the target equipment to carry out video call based on the image acquisition device.

In one possible implementation manner, a video call apparatus further includes:

the call signal intensity acquisition module is used for acquiring call signal intensities corresponding to the preset moments respectively;

and the second video call image control module is used for controlling the target equipment to carry out video call based on the second image acquisition device when the call signal intensities meet the preset condition, wherein the preset condition is that the call signal intensities with third preset number are smaller than the first preset intensity.

In a third aspect, the present application provides an electronic device, which adopts the following technical scheme:

an electronic device, the electronic device comprising:

the system comprises at least one first image acquisition device and at least one second image acquisition device, wherein the first image acquisition device and the second image acquisition device can acquire video call images, and the resolution of the first image acquisition device is higher than that of the second image acquisition device;

at least one processor, wherein the first image acquisition device and the second image acquisition device can perform information interaction with the at least one processor;

a memory;

at least one application, wherein the at least one application is stored in memory and configured to be executed by at least one processor, the at least one application configured to: and executing the video call method.

In a fourth aspect, the present application provides a computer readable storage medium, which adopts the following technical scheme:

a computer-readable storage medium, comprising: a computer program capable of being loaded by a processor and executing the video call method described above is stored.

In summary, the present application includes at least one of the following beneficial technical effects:

1. When the target equipment receives the video call instruction, determining a target area of the video call, which is possible to be performed by the target equipment, according to the current position and the moving state of the target equipment; further, according to the position of the target area and the equipment type of the target equipment, at least one available signal source capable of providing signal support for the video call of the target equipment and the signal intensity of each available signal source are determined; determining the signal source with the highest signal strength as a target signal source from the determined at least one available signal source, and controlling the target equipment to conduct video call based on the target signal source. The control target device uses a signal source with better signal strength to carry out video call, so that the energy consumed by the target device due to switching signals when carrying out video call is reduced, and the energy consumption of the video call is further reduced.

2. Determining the use priority corresponding to at least one available signal source according to the residual electric quantity of the target equipment, wherein the priority order of video call carried out by using each available signal source is possibly different under the condition of different electric quantities; when the remaining power is low, the priority of use of the available signal sources with less power consumption may be higher. And further, according to the use priority and the signal intensity of each available signal source, comprehensive analysis is performed, and a target signal source is determined from at least one available signal source, so that the video call effect is better by using the determined target signal source.

3. If the signal intensity of at least one available signal source corresponding to the target equipment is smaller than the first preset intensity, the effect of the target equipment on video call in the target area is poor; according to the current position of the target device and signal distribution information corresponding to at least one available signal source, determining a target signal point with signal strength greater than the first preset strength and closest to the current position, outputting first prompting information to prompt a user to go to the target signal point for video call, enabling the signal strength of the user to be higher when the user performs video call, and further reducing energy consumption when the video call is performed.

Drawings

Fig. 1 is a flow chart of a video call method in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a video call device according to an embodiment of the present application;

fig. 3 is a schematic diagram of the result of the electronic device in the embodiment of the present application.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1-3.

Modifications of the embodiments which do not creatively contribute to the invention may be made by those skilled in the art after reading the present specification as required, but are to be protected by the patent laws within the scope of this application.

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of 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 apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In addition, the term "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In this context, unless otherwise specified, the term "/" generally indicates that the associated object is an "or" relationship.

The embodiment of the application provides a video call method, which is executed by an electronic device, referring to fig. 1, and includes steps S101-S105, where:

step S101, when the target device receives the video call instruction, the current position, the device type and the moving state of the target device are acquired, the movement state characterizes a movement track of the target device in a first preset period before receiving the video call instruction.

For the embodiment of the application, when the target device receives the video call instruction, the current position, the device type and the moving state of the target device are obtained, and the video call instruction comprises a video call dialing instruction sent by the target device and a video call request instruction received by the target device. The equipment type is associated with the target equipment, and the equipment type can be obtained from a database associated with the target equipment, wherein the equipment type comprises information such as the name, the system version and the model of the target equipment; the current position and the moving state can be determined according to a positioning device installed on the target device, the current position is the position of the target device when the video call instruction is received, and the moving state can comprise a moving track of the target device in a first preset period before the video call instruction is received, a moving speed, a moving direction, a moving range, moving times and the like. The first preset period may be 1 minute, 2 minutes, etc. before receiving the video call instruction, and the duration of the first preset period is not specifically limited in the embodiment of the present application; the target device can be a terminal device such as a mobile phone, a telephone watch and a computer which can carry out video call.

Step S102, determining a target area based on the current position and the moving state, wherein the target area is an area where the target equipment performs video call.

For the embodiment of the application, the current position and the movement state of the target device can be input into a preset prediction model, and the prediction model analyzes and predicts the position of the target device, where video call is possible, so as to determine the target area. The preset prediction model determines the moving range of the target equipment and the environment information corresponding to the moving range according to the current position, wherein the moving range can be a circular area taking the current position as a circle center and the preset length as a radius; and further, in combination with the movement state of the target equipment, predicting a target area when the target equipment performs video call.

Step S103, determining at least one available signal source and a signal strength corresponding to the at least one available signal source based on a target area and a device type corresponding to the target device.

For the embodiment of the application, according to the equipment type of the target equipment and the target area where the target equipment is located, at least one available signal source which can carry out video call in the target area by the target equipment is determined. For example, the signal sources that can be used by the target device include a signal source a, a signal source B, a signal source C, and a signal source D, and the signal sources that can be used by the target device and that can perform video call include a signal source B, a signal source C, a signal source D, and a signal source E, where the available signal sources include a signal source B, a signal source C, and a signal source D.

Further, the signal strength of each available signal source can be determined according to the position of the target area and the position corresponding to each available signal source, and the signal strength is determined according to the distance between the target area and each available signal source and the type of each signal source. The position of the target area may be represented according to a plurality of contour coordinate points corresponding to the target area, and signal intensities corresponding to different types of signal sources may be the same or different under the same distance.

Step S104, determining a target signal source from at least one available signal source based on the signal strength corresponding to the at least one available signal source;

step S105, the control target device performs video call based on the target signal source.

For the embodiment of the application, according to the signal intensity corresponding to at least one available signal source, determining the available signal source with the highest signal intensity from the at least one available signal source as a target signal source, and enabling the target device to conduct video call based on the target signal source. When the signal is poor, the target device frequently transmits identification information to the signal source to determine the signal source, resulting in increased power consumption, therefore, the frequency of switching signals of the target equipment is reduced by enabling the target equipment to be connected with the signal source with higher signal strength to carry out video call, and the power consumption of the target equipment caused by searching the signal source is reduced.

When the target equipment receives the video call instruction, determining a target area of the video call, which is possible to be performed by the target equipment, according to the current position and the moving state of the target equipment; further, according to the position of the target area and the equipment type of the target equipment, at least one available signal source capable of providing signal support for the video call of the target equipment and the signal intensity of each available signal source are determined; and determining the signal source with the highest signal strength as a target signal source from the determined at least one available signal source, and controlling the target equipment to carry out video call based on the target signal source. The control target device uses a signal source with better signal strength to carry out video call, so that the energy consumed by the target device due to switching signals when carrying out video call is reduced, and the energy consumption of the video call is further reduced.

Further, determining a target signal source from the at least one available signal source based on the signal strength corresponding to the at least one available signal source, including step S1041 (not shown in the figure) -step S1043 (not shown in the figure), wherein:

step S1041, obtaining a remaining power of the target device.

Specifically, the remaining power of the target device when the video call instruction is received is obtained, where the remaining power may be the current power of the target device, or may be the percentage of the current power of the target device to the total power.

Step S1042, determining a usage priority corresponding to at least one available signal source based on the remaining power, where the usage priority is used to characterize a priority of the target device for performing the video call by using the corresponding available signal source.

Specifically, according to the residual electric quantity, an electric quantity interval corresponding to the residual electric quantity is determined, and then according to the corresponding relation between the electric quantity interval and the signal source use sequence table, a signal source use sequence table corresponding to the residual electric quantity is determined, wherein the signal source use sequence table comprises the use priority of each signal source used in the corresponding electric quantity interval. And determining the use priority of each available signal source from the signal source use sequence table, wherein the use priority is used for representing the priority degree of the target equipment for carrying out video call by using the corresponding available signal source, and when the signal source is selected, the available signal source with high use priority is preferentially selected, for example, the use priority comprises 1 level, 2 level and 3 level, the use priority of 1 level is highest, the use priority of 3 level is lowest, and the available signal source with 1 level is preferentially selected for carrying out video call.

Further, in different power intervals, the use priority of video call using each available signal source may be different, and the use priority may be determined according to the power consumption and call quality of video call using each available signal source by the target device. For different electric quantity intervals, the weight of the electric consumption and the conversation quality is different, for example, the electric quantity intervals comprise a low electric quantity interval, a medium electric quantity interval and a high electric quantity interval, and when the electric quantity interval is the low electric quantity interval, the weight ratio of the electric consumption to the conversation quality is 8:2; when the electric quantity interval is a medium electric quantity interval, the weight ratio of the power consumption to the conversation quality is 5:5; when the electric quantity interval is a high electric quantity interval, the weight ratio of the power consumption to the conversation quality is 3:7.

Step S1043, determining a target signal source from the at least one available signal source based on the signal strength and the usage priority corresponding to the at least one available signal source.

Specifically, according to the signal intensity and the use priority corresponding to at least one available signal source, comprehensively analyzing the suitability of each available signal source, wherein the greater the signal intensity is, the higher the suitability of the available signal source with higher use priority is, and then the available signal source with the highest suitability is selected from the available signal sources as the target signal source. The method can be used for distributing preset weight coefficients to the signal intensity and the use priority, calculating the comprehensive evaluation value of each available signal source, and further determining the available signal source with the highest comprehensive evaluation value as the target signal source.

Determining the use priority corresponding to at least one available signal source according to the residual electric quantity of the target equipment, wherein the priority order of video call carried out by using each available signal source is possibly different under the condition of different electric quantities; when the remaining power is low, the priority of use of the available signal sources with less power consumption may be higher. And further, according to the use priority and the signal intensity of each available signal source, comprehensive analysis is performed, and a target signal source is determined from at least one available signal source, so that the video call effect is better by using the determined target signal source.

Further, before starting the video call, if the signal intensity of each available signal source in the target area where the target device is located is not good, the user may be prompted to go to an area with high signal intensity to perform the video call, so that the video call method further includes step SA1 (not shown in the figure) -step SA3 (not shown in the figure), where:

and step SA1, if the signal intensity of at least one available signal source is smaller than the first preset intensity, acquiring signal distribution information corresponding to the at least one available signal source respectively.

For the embodiment of the present application, if the signal strength of at least one available signal source corresponding to the target device is smaller than the first preset strength, the signal of the target device for performing video call in the target area is poor, which may cause video call blocking, and further may increase energy consumption of the target device, and for the first preset strength, the embodiment of the present application is not specifically limited. The signal distribution information of each available signal source corresponding to the target device may be obtained from the signal source database, where the signal distribution information includes coverage areas corresponding to signal intensities of the available signal sources, and the signal distribution information may be an image of signal distribution. The signal distribution information may be determined according to the transmitter power, antenna parameters, frequency, and surrounding environment of the corresponding available signal sources, where the antenna parameters include, but are not limited to, antenna hang-up, antenna downtilt, and antenna gain.

And step SA2, determining a target signal point based on the current position of the target device and signal distribution information corresponding to at least one available signal source respectively.

For the embodiment of the application, the position of the current position of the target device in the signal distribution diagram corresponding to the signal distribution information of each available signal source and the target coverage area corresponding to each available signal source are determined, and the signal intensity in the target coverage area is greater than the first preset intensity. And calculating the distance between the target equipment and each target coverage area, and further determining the target coverage area closest to the target equipment, wherein the position closest to the target equipment in the target coverage area is a target signal point, and the distance between the target equipment and the target coverage area and the distance between the target equipment and the target position point are consistent. The distance may be a shortest linear distance between the current position of the target device and the target coverage area, or a shortest route distance between the current position of the target device and the target coverage area.

And step SA3, determining and outputting first prompt information based on the target signal point.

For the embodiment of the application, the first prompt information is used for prompting the user using the target equipment to go to the target signal point for video call; the first prompt information comprises contents for prompting the user to go to the target signal point and a route to the target signal point.

If the signal intensity of at least one available signal source corresponding to the target equipment is smaller than the first preset intensity, the effect of the target equipment on video call in the target area is poor; according to the current position of the target device and signal distribution information corresponding to at least one available signal source, determining a target signal point with signal strength greater than the first preset strength and closest to the current position, outputting first prompting information to prompt a user to go to the target signal point for video call, enabling the signal strength of the user to be higher when the user performs video call, and further reducing energy consumption when the video call is performed.

Further, the target device is provided with at least one first image capturing device and at least one second image capturing device, wherein the resolution of the first image capturing device is higher than the resolution of the second image capturing device, so that a video call method further comprises a step S1061 (not shown in the figure) -a step S1063 (not shown in the figure), wherein:

step S1061, when receiving a call connection instruction, obtaining the connection signal intensity of a target signal source;

step S1062, determining an image acquisition device based on the intensity of the on signal, wherein the image acquisition device comprises a first image acquisition device and a second image acquisition device;

In step S1063, the control target device performs a video call based on the image capturing device.

In the embodiment of the application, when the target device receives a call connection instruction, the connection signal strength of the target signal source at the current moment is obtained. Judging the intensity of the on signal, and if the intensity of the on signal is larger than the third preset intensity, determining that the target equipment uses the first image acquisition device to carry out video call; and if the intensity of the on signal is smaller than or equal to the third preset intensity, controlling the target equipment to use the second image acquisition device to carry out video call.

When the target equipment receives call communication, namely video call connection time, determining connection signal intensity corresponding to a target signal source at the current time, judging the connection signal intensity, and if the connection signal intensity is higher, controlling the target equipment to use a first image acquisition device with higher resolution to carry out video call; if the on signal strength is lower, the control target device uses the second image acquisition device with lower resolution to carry out video call, so that the power of the video call can be reduced. And determining a more suitable image acquisition device, so that the fluency of video call can be improved, the situation of video call blocking is reduced, and further the video call experience of a user is improved.

Further, after receiving the call connection instruction, a video call method further includes step S1071 (not shown in the figure) -step S1072 (not shown in the figure), wherein:

step S1071, obtaining the respective corresponding call signal strengths at a plurality of preset moments.

In this embodiment of the present application, after a video call of a target device is turned on, call signal intensities of a target signal source at a plurality of preset times after a plurality of video call on times are obtained, where the preset times may include 10 seconds, 20 seconds, 30 seconds, and the like after the video call on times, and for the number of preset times and specific time points of the preset times, specific limitation is not performed in this embodiment of the present application, and only the current call state of the target device needs to be easily reflected.

Step S1072, when the plurality of call signal intensities meet the preset condition, the control target device performs video call based on the second image acquisition device, where the preset condition includes that the call signal intensities of the third preset number are all smaller than the first preset intensity.

In the embodiment of the application, when the acquired plurality of call signal intensities meet the preset condition, the current signal of the target device is poor, and the target device is controlled to use the second image acquisition device with lower resolution to perform video call, so that the power consumed by the target device is reduced, and the smoothness of the video call of the target device is ensured. The preset condition includes that the call signal intensity with the third preset number is smaller than the third preset intensity. The third preset number is greater than or equal to 2 and less than or equal to the number corresponding to the preset time, and for the size of the third preset number, the specific limitation is not performed in the embodiment of the application, and only the target equipment is required to easily select the image acquisition device which is more suitable for the current signal state.

After receiving a call connection instruction, acquiring call signal intensities corresponding to a plurality of preset moments respectively, judging whether the acquired call signal intensities meet preset conditions, if so, controlling the target equipment to perform video call based on the second image acquisition device, and reducing power consumption of the video call while guaranteeing smoothness of the video call.

Further, after the target device starts the video call, the user may not need to view the video content at all times, so the video call method further includes step S201 (not shown in the figure) -step S203 (not shown in the figure), wherein:

step 201, obtaining image information and displacement information respectively corresponding to at least two second preset time periods after the target device starts the video call, wherein each image information comprises a plurality of video call images shot by the target device in the corresponding second preset time periods, and each displacement information comprises a displacement frequency and a displacement distance of the target device in the corresponding second preset time periods.

For the embodiment of the present application, after the target device starts to perform the video call, image information and displacement information corresponding to the target device in at least two second preset periods are obtained, where the second preset periods may be 30 seconds, 1 minute, and the duration of the second preset periods is not specifically limited in the embodiment of the second preset periods. The image information includes a plurality of video call images acquired by the target device in a corresponding second preset period, the video call images can be acquired in real time, and also can be acquired at preset time intervals, and the acquisition mode of the video call images is not specifically limited in the embodiment of the application. The displacement information may be determined by a positioning device arranged in the target device, and for any one of the displacement information, the displacement frequency and the displacement distance may be determined by analyzing a change in position of the target device within a corresponding second preset period of time.

Step S202, determining a call mode of the target equipment based on the image information and the displacement information respectively corresponding to at least two second preset time periods, wherein the call mode comprises an energy-saving mode and a conventional mode;

step S203, the control target device performs the video call based on the call mode.

For the embodiment of the application, for the image information and the displacement information of each second preset period, the call state of the user is analyzed to determine whether the user is using the image function of the target device. For example, when the pupil of the user is not detected in each video call image, and the displacement frequency of the target device is smaller than a first preset value and the displacement distance is smaller than a second preset value, determining that the user does not use the image function in the second preset period.

Further, if the user does not use the image function in at least two continuous second preset time periods, the communication mode of the target device can be determined to be an energy-saving mode, the energy-saving mode can comprise the mode of image transmission as picture transmission or no transmission, the display mode is low-brightness display or screen extinction, and the voice communication function is kept; otherwise, determining that the call mode of the target device is the normal mode. And the control target equipment performs video call according to the corresponding call mode.

After the target equipment starts to carry out video call, the acquired image information and displacement information respectively corresponding to at least two second preset time periods are analyzed to determine whether the target user uses the image function of the video call. If the fact that the target user does not use the image function currently is determined, controlling the target device to conduct video call in an energy-saving mode, and reducing energy consumption during video call; otherwise, the target equipment is controlled to carry out video call in a conventional mode, so that the call quality of the video call is ensured.

Further, after the control target device performs the video call based on the target signal source, when the signal strength of the target signal source is smaller than the second preset strength, the video call signal is poor at this time, so the video call method further includes step SB1 (not shown in the figure) -step SB3 (not shown in the figure), in which:

step SB1, if the first preset number of instruction information is obtained, determining and outputting second prompt information, wherein the instruction information comprises an operation instruction sent by a user to target equipment.

For the embodiment of the application, if the signal strength is smaller than the second preset strength, the instruction information of the first preset number is obtained, which indicates that the current signal is poor but the user is still frequently operating the target device, so as to determine and output the second prompting information, wherein the second prompting information is used for prompting the user that the current signal is poor, the channel is crowded, and the frequency of operating the target device is reduced; and the operation instruction of a user to the target equipment is reduced.

Step SB2, if the instruction information of the second preset number is obtained, determining control information, wherein the control information comprises control duration and control instructions for the target equipment, and the second preset number is larger than the first preset number;

step SB3, controlling information transmission of the target device based on the control information.

For the embodiment of the application, if the instruction information of the second preset number is obtained, the user still operates the target device frequently after receiving the second prompt information, so as to determine the control information, where the control information includes a control duration and a control instruction for performing operation control on the target device, and the second preset number is greater than the first preset number. And controlling the target equipment not to receive the operation instruction sent by the user in the control time based on the control instruction.

After video call is carried out by the control target equipment based on the target signal source, if the signal intensity of the target signal source is smaller than the second preset intensity, if the instruction information of the first preset number is obtained, the second prompt information is determined and output, the current signal of the user is prompted to be worse, the channel congestion is prompted, and the operation on the target equipment is reduced; by reducing the amount of information in the channel, the quality of the video call can be restored in a shorter time. If the first preset number of instruction information is obtained, the control instruction is used to enable the target equipment not to receive the operation instruction sent by the user in the control duration, so that the duration of channel congestion is reduced, the probability of video call information delay is reduced, and the use feeling of the user for video call can be improved.

Further, when the signal of the peer contact is poor or the device performance of the peer contact is poor, the transmitted video image pixels are low, so that the video call method further includes step S301 (not shown in the figure) -step S304 (not shown in the figure), in which:

step S301, determining an opposite-end contact corresponding to a video call instruction;

step S302, a face database corresponding to the opposite-end contact person is obtained, and an opposite-end call image corresponding to the opposite-end contact person is obtained.

For the embodiment of the application, the opposite-end contact corresponding to the video call instruction is determined, a face database corresponding to the opposite-end contact is obtained from the database, and the face database corresponding to the opposite-end contact comprises face images which appear in video call with the target equipment in the history of the opposite-end contact. And after video communication between two ends corresponding to the video call instruction is carried out, obtaining an opposite-end call image sent to the target equipment by a terminal corresponding to the opposite-end contact person.

Step S303, determining target faces corresponding to the face images respectively based on the face database and the opposite-end call image.

For the embodiment of the application, all face images appearing in the opposite-end call image are extracted, and the extracted face images are respectively compared with a face database. Judging whether face information corresponding to the face image exists in a face database for any face image, and if so, determining at least one target face corresponding to the face image from the face database, wherein the definition of the target face is higher than that of the face image in the call image, and the similarity of the target face and the face image is higher than the preset similarity.

Step S304, determining a repair image based on the opposite terminal call image and a plurality of target faces.

For the embodiment of the application, face restoration is performed on the corresponding face image in the opposite-end call image according to the determined plurality of target faces, and the corresponding face image is replaced by the target faces, so that a restoration image is determined.

Determining an opposite-end contact corresponding to the video call instruction, wherein when the signal of the opposite-end contact is poor or the equipment performance of the opposite-end contact is poor, the transmitted video image pixels are low; acquiring a face database corresponding to the opposite-end contact person, and an opposite-end call image of the opposite-end contact person when video call is carried out; and determining a target face corresponding to the face appearing in the opposite-end call image from a face database, repairing the face in the opposite-end call image according to the target face, and improving the definition of a face area in the call image on the premise of not increasing the transmission power consumption of the terminal equipment of the opposite-end contact.

Further, based on the face database and the opposite-end call image, a target face corresponding to any face image is determined, which includes step S3031 (not shown in the figure) -step S3033 (not shown in the figure), wherein:

Step S3031, a plurality of face key points corresponding to any face image are determined based on the opposite terminal call image.

Specifically, the face feature extraction is performed on the call image, and any face image contained in the opposite-end call image and a plurality of face key points contained in the face image are determined, wherein the face key points can comprise eyes, nose tips, mouth corner points, eyebrows and contour points of all parts of the face. Face feature extraction may be performed using convolutional neural networks, HOG (Histogram of Oriented Gradient, directional gradient histogram), dlib, etc.

Step S3032, determining a plurality of historical face images corresponding to any face image and a plurality of face key points corresponding to each historical face image based on the face database and any face image.

Specifically, a plurality of historical face images corresponding to any face image are determined from a face database, wherein the historical face images correspond to the same person as the any face image, and the definition of the historical face images is higher than that of the any face image. And determining a plurality of facial key points contained in each historical face image, wherein the facial key points can comprise eyes, nose tips, mouth corner points, eyebrows and contour points of various parts of the face.

Step S3033, determining a target face corresponding to any face image from the historical face images based on the plurality of face key points corresponding to any face image and the plurality of historical face images corresponding to any face image.

Specifically, for each historical face image, according to any face image and a plurality of face key points corresponding to the historical face image respectively, taking any three face key points which are not on the same straight line as fixed points, adjusting the positions of any face image and the historical face image according to the positions of the three fixed points, analyzing and calculating the positions corresponding to each face key point except the three fixed points in two images (the face image and the historical face image), and determining the similarity of the historical face image and any face image. And further determining the historical face image with the highest similarity as the target face of any face image.

Determining any face image and a plurality of face key points corresponding to the any face image according to the opposite-end call image; and determining a plurality of historical face images corresponding to the arbitrary face image and a plurality of face key points corresponding to each historical face image from the face database according to the arbitrary face image and the face database. And comparing a plurality of face key points corresponding to any face image with a plurality of face key points corresponding to a plurality of historical face images corresponding to any face image, determining a target face most similar to any face image from the historical face images, and screening the target face from the historical face images by using the face key points, so that the determination speed of the target face can be improved.

The above embodiments describe a method for video call from the viewpoint of the flow of the method, and the following embodiments describe a device for video call from the viewpoint of a virtual module or a virtual unit, which will be described in detail below.

The embodiment of the present application provides a device for video call, as shown in fig. 2, the device for video call may specifically include a target device information obtaining module 201, a target area determining module 202, a signal strength determining module 203, a target signal source determining module 204, and a video call control module 205, where:

the target device information obtaining module 201 is configured to obtain, when a video call instruction is received by a target device, a current position, a device type, and a movement state of the target device, where the movement state represents a movement track of the target device in a first preset period before the video call instruction is received;

a target area determining module 202, configured to determine a target area based on the current position and the movement state, where the target area is an area where the target device performs a video call;

a signal strength determining module 203, configured to determine at least one available signal source and a signal strength corresponding to the at least one available signal source based on a target area and a device type corresponding to a target device;

A target signal source determining module 204, configured to determine a target signal source from at least one available signal source based on a signal strength corresponding to the at least one available signal source;

the video call control module 205 is configured to control the target device to perform a video call based on the target signal source.

In one possible implementation manner, the target signal source determining module 204 is specifically configured to, when determining the target signal source from the at least one available signal source based on the signal strength corresponding to the at least one available signal source:

Obtaining the residual electric quantity of target equipment;

determining a corresponding use priority of at least one available signal source based on the residual electric quantity, wherein the use priority is used for representing the priority degree of video call by the target equipment by using the corresponding available signal source;

In one possible implementation manner, a video call apparatus further includes:

the signal distribution information acquisition module is used for acquiring signal distribution information corresponding to at least one available signal source;

the target signal point determining module is used for determining a target signal point based on the current position of the target device and signal distribution information corresponding to at least one available signal source;

In one possible implementation manner, a video call apparatus further includes:

the call information acquisition module is used for acquiring image information and displacement information respectively corresponding to at least two second preset time periods after the target equipment starts the video call, wherein each image information comprises a plurality of video call images shot by the target equipment in the corresponding second preset time periods, and each displacement information comprises the displacement frequency and the displacement distance of the target equipment in the corresponding second preset time periods;

The communication mode determining module is used for determining a communication mode of the target equipment based on the image information and the displacement information which correspond to at least two second preset time periods respectively, wherein the communication mode comprises an energy-saving mode and a conventional mode;

and the call mode control module is used for controlling the target equipment to carry out video call based on the call mode.

In one possible implementation manner, a video call apparatus further includes:

the control information determining module is used for determining control information if the instruction information of a second preset number is acquired, wherein the control information comprises control duration and control instructions for the target equipment, and the second preset number is larger than the first preset number;

In one possible implementation manner, a video call apparatus further includes:

The image acquisition device determining module is used for determining an image acquisition device based on the intensity of the on signal, and the image acquisition device comprises a first image acquisition device and a second image acquisition device;

the first video call image control module is used for controlling the target equipment to carry out video call based on the image acquisition device.

In one possible implementation manner, a video call apparatus further includes:

the second video call image control module is used for controlling the target equipment to carry out video call based on the second image acquisition device when the plurality of call signal intensities meet the preset condition, wherein the preset condition is that the call signal intensities with the third preset number are smaller than the first preset intensity.

In an embodiment of the present application, as shown in fig. 3, an electronic device 300 shown in fig. 3 includes: a processor 301, a memory 303, a first image acquisition device 305 and a second image acquisition device 306. Wherein the processor 301 is coupled to the memory 303, such as via a bus 302. The first image acquisition device 305 and the second image acquisition device 306 are each capable of information interaction with the processor 301. In practical applications, at least one first image capturing device exists, at least one second image capturing device exists, the first image capturing device 305 and the second image capturing device 306 can acquire images of a video call, and the resolution of the first image capturing device 305 is higher than that of the second image capturing device 306. Optionally, the electronic device 300 may also include a transceiver 304. It should be noted that, in practical applications, the transceiver 304 is not limited to one, and the structure of the electronic device 300 is not limited to the embodiment of the present application.

The processor 301 may be a CPU (Central Processing Unit ), general purpose processor, DSP (Digital Signal Processor, data signal processor), ASIC (Application Specific Integrated Circuit ), FPGA (Field Programmable Gate Array, field programmable gate array) or other programmable logic device, transistor logic device, hardware components, or any combination thereof. Which may implement or perform the various exemplary logic blocks, modules, and circuits described in connection with this disclosure. Processor 301 may also be a combination that implements computing functionality, e.g., comprising one or more microprocessor combinations, a combination of a DSP and a microprocessor, etc.

Bus 302 may include a path to transfer information between the components. Bus 302 may be a PCI (Peripheral Component Interconnect, peripheral component interconnect Standard) bus or an EISA (Extended Industry Standard Architecture ) bus, or the like. Bus 302 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in fig. 3, but not only one bus or one type of bus.

The Memory 303 may be, but is not limited to, a ROM (Read Only Memory) or other type of static storage device that can store static information and instructions, a RAM (Random Access Memory ) or other type of dynamic storage device that can store information and instructions, an EEPROM (Electrically Erasable Programmable Read Only Memory ), a CD-ROM (Compact Disc Read Only Memory, compact disc Read Only Memory) or other optical disk storage, optical disk storage (including compact discs, laser discs, optical discs, digital versatile discs, blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.

The memory 303 is used for storing application program codes for executing the present application and is controlled to be executed by the processor 301. The processor 301 is configured to execute the application code stored in the memory 303 to implement what is shown in the foregoing method embodiments.

Among them, electronic devices include, but are not limited to: mobile terminals such as mobile phones, notebook computers, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablet computers), PMPs (portable multimedia players), in-vehicle terminals (e.g., in-vehicle navigation terminals), and the like, and stationary terminals such as digital TVs, desktop computers, and the like. But may also be a server or the like. The electronic device shown in fig. 3 is only an example and should not be construed as limiting the functionality and scope of use of the embodiments herein.

The present application provides a computer readable storage medium having a computer program stored thereon, which when run on a computer, causes the computer to perform the corresponding method embodiments described above.

It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited in order and may be performed in other orders, unless explicitly stated herein. Moreover, at least some of the steps in the flowcharts of the figures may include a plurality of sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, the order of their execution not necessarily being sequential, but may be performed in turn or alternately with other steps or at least a portion of the other steps or stages.

The foregoing is only a partial embodiment of the present application, and it should be noted that, for a person skilled in the art, several improvements and modifications can be made without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A video call method, comprising:

when a video call instruction is received by target equipment, acquiring the current position, equipment type and movement state of the target equipment, wherein the movement state represents the movement track of the target equipment in a first preset period before the video call instruction is received;

2. The method of claim 1, wherein determining a target signal source from the at least one available signal source based on a signal strength corresponding to the at least one available signal source comprises:

acquiring the residual electric quantity of the target equipment;

3. The video call method as claimed in claim 1, further comprising:

4. The video call method as claimed in claim 1, further comprising:

5. The method of claim 1, wherein after controlling the target device to perform the video call based on the target signal source, when the signal strength of the target signal source is less than the second preset strength, further comprising:

6. The video call method as claimed in claim 1, further comprising:

7. The video call method as claimed in claim 6, further comprising, after receiving a call-on instruction:

8. A video telephony device, comprising:

9. An electronic device, comprising:

a memory;

at least one application, wherein the at least one application is stored in memory and configured to be executed by at least one processor, the at least one application configured to: a video telephony method of any of claims 1 to 7 is performed.

10. A computer-readable storage medium, comprising: a computer program stored which can be loaded by a processor and which performs a video telephony method as claimed in any of claims 1 to 7.