CN109165533A - A kind of peep-proof vision method based on the short-sighted frequency across group mechanisms - Google Patents
A kind of peep-proof vision method based on the short-sighted frequency across group mechanisms Download PDFInfo
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- CN109165533A CN109165533A CN201810880478.6A CN201810880478A CN109165533A CN 109165533 A CN109165533 A CN 109165533A CN 201810880478 A CN201810880478 A CN 201810880478A CN 109165533 A CN109165533 A CN 109165533A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/84—Protecting input, output or interconnection devices output devices, e.g. displays or monitors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
- H04L51/046—Interoperability with other network applications or services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/07—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail characterised by the inclusion of specific contents
- H04L51/10—Multimedia information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/52—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail for supporting social networking services
Abstract
A kind of peep-proof vision method based on the short-sighted frequency across group mechanisms, this method comprises: social client is after a certain short-sighted frequency issued on the first cluster conversation interface for detecting the first group is watched by the legitimate user of social client, it prompts from any two user for issuing on the second cluster conversation interface of the second group and having voice signal is selected in associated second group of the first group, to form the first user couple；First user couple and short-sighted frequency are associated by social client, and cover the short-sighted frequency using pre-set image on the first cluster conversation interface；Wherein, the first user is to as the first foundation for removing the pre-set image for having covered the short-sighted frequency.Implement the embodiment of the present invention, the risk that can be pried through based on the short-sighted frequency issued on the cluster conversation interface for reducing a certain group across group mechanisms by other people.
Description
Technical field
The present invention relates to social technical field more particularly to a kind of peep-proof sides based on the short-sighted frequency across group mechanisms
Method.
Technical field
Currently, usually will create multiple groups in various social clients including wechat, QQ, it is located at certain a group
User in group can sometimes issue some short-sighted frequencies on the cluster conversation interface.In practice, it has been found that working as social client
Some group cluster conversation interface on publication when having short-sighted frequency, if user equipment (such as hand where social client
Machine) non-screen locking, then the short-sighted frequency issued on the cluster conversation interface be easy to be pried through by other staff to.
Summary of the invention
The embodiment of the invention discloses a kind of peep-proof vision method based on the short-sighted frequency across group mechanisms, this method can drop
The risk that the short-sighted frequency issued on the cluster conversation interface of low a certain group is pried through by other people.
Wherein, a kind of peep-proof vision method based on the short-sighted frequency across group mechanisms, the first group and the second group are created
In social client, which comprises
The social client is issued a certain short-sighted on the first cluster conversation interface for detecting first group
After frequency is by legitimate user's viewing of the social client, prompt to be selected from second group at described second group
Publication has any two user of voice signal on second cluster conversation interface of group, to form the first user couple；
First user couple and the short-sighted frequency are associated by the social client, and in first group
The short-sighted frequency is covered using pre-set image on session interface；Wherein, first user has covered institute to as removing
State the first foundation of the pre-set image of short-sighted frequency.
As an alternative embodiment, in embodiments of the present invention, the social client is in first group
After covering the short-sighted frequency using pre-set image on session interface, the method also includes:
The social client detection has covered the described of the short-sighted frequency on first cluster conversation interface
The removal of pre-set image instructs；
The social client is instructed according to the removal, prompts to choose any two user from second group,
To form second user pair；
The second user pair that the social client judgement is chosen has covered the short-sighted frequency with as removing
The pre-set image the first foundation first user to whether identical；
If they are the same, the social client is by having covered described in the short-sighted frequency on first cluster conversation interface
Pre-set image is removed, to show the short-sighted frequency again.
As an alternative embodiment, in embodiments of the present invention, the social client is by first user
It is described short using pre-set image covering after being associated with the short-sighted frequency, and on first cluster conversation interface
Before video, the method also includes:
Social client prompt selected from second cluster conversation interface first user to comprising
First voice signal of one user publication, and prompt select first user from second cluster conversation interface
To comprising another user publication second sound signal；
The social client synthesize to first voice signal of selection and the second sound signal
To verifying voice signal；
The verifying voice signal and the short-sighted frequency are associated by the social client, and in institute described in execution
State the step of covering the short-sighted frequency using pre-set image on the first cluster conversation interface；Wherein, the verifying voice signal is made
For for removing the second foundation for having covered the pre-set image of the short-sighted frequency；
The social client judge the second user pair with as removing the institute for having covered the short-sighted frequency
First user of the first foundation of pre-set image is stated to after identical and the social client is by first group
The pre-set image for having covered the short-sighted frequency on session interface is removed, before showing the short-sighted frequency again,
The method also includes:
Social client prompt selected from second cluster conversation interface second user to comprising
The third voice signal of one user publication, and prompt select the second user from second cluster conversation interface
To comprising another user publication falling tone sound signal；
The social client synthesize to the third voice signal of selection and the falling tone sound signal
To synthetic video signal；
The social client judges the synthetic video signal and as removing the institute for having covered the short-sighted frequency
Whether the verifying voice signal for stating the second foundation of pre-set image matches, if matching, executes described by described first group
The pre-set image for having covered the short-sighted frequency on group session interface is removed, to show the step of the short-sighted frequency again
Suddenly.
As an alternative embodiment, in embodiments of the present invention, the social client to selection described
One voice signal and the second sound signal carry out synthesis and are verified voice signal, comprising:
The social client determines being aligned between first voice signal and the second sound signal chosen
Point；Wherein, the snap point refers to the starting position that first voice signal is synthesized with the second sound signal；
The social client synthesizes first voice signal with the second sound signal according to the snap point
To verify voice signal.
As an alternative embodiment, in embodiments of the present invention, the social client determines the described of selection
Snap point between first voice signal and the second sound signal, comprising:
The social client calculates the first duration and the rising tone message for first voice signal chosen
Number the second duration；Wherein, first duration indicates the time of the sound go of first voice signal；When described second
The time of the long sound go for indicating the second sound signal；
The social client calculates the difference between first duration and second duration；
The social client judges whether the difference is less than or equal to default value, if so, to first sound
Any voice signal in signal and the second sound signal carries out the scaling on the period, identical to obtain final duration
The first voice signal and second sound signal, then with identical first voice signal of the final duration and second sound
The first audio frame of signal is as snap point.
As an alternative embodiment, in embodiments of the present invention, the social client is to first sound
Any voice signal in signal and the second sound signal carries out the scaling on the period, comprising:
If the first duration of first voice signal is shorter relative to the second duration of the second sound signal, described
Social client determines that the difference accounts for the ratio X of the first duration of first voice signal according to the difference；
The social client calculates the audio frame number Y of first voice signal；
The social client calculates amplification coefficient Z, the Z=X* (Y/ (Y-1))；
The social client according to the amplification coefficient, in first voice signal other than first audio frame
Other audio frames carry out equal proportion amplification so that the final duration of amplified first voice signal and described second
Second duration of voice signal is identical.
As an alternative embodiment, in embodiments of the present invention, if the difference is greater than the default value, institute
State method further include:
The social client is using identical default sample frequency to first voice signal and the rising tone
Sound signal is sampled respectively, obtains the first set of samples and the second set of samples；
The social client according to the default sample frequency, first set of samples, second set of samples and
Cross-correlation weight generates cross-correlation group；Wherein, the cross-correlation weight and the difference are positively correlated, and include in the cross-correlation group
There are multiple numerical value；
Multiple numerical value in the cross-correlation group are compared by the social client, find out maximum numerical value；
The social client uses the corresponding audio frame position of the maximum numerical value as snap point.
As an alternative embodiment, in embodiments of the present invention, the social client is adopted according to the default
Sample frequency, first set of samples, second set of samples and cross-correlation weight generate cross-correlation group, comprising:
Wherein, Sn[t] indicates cross-correlation group, and x [m] indicates m-th of sampled data in first set of samples, y [m-t]
Indicate (m-t) a sampled data in second set of samples, t indicates the offset of time, and t is integer, value be from 0 to
M, WtIndicate window function, wherein n=l*f, l is cross-correlation weight, and f is the default sample frequency.
As an alternative embodiment, in embodiments of the present invention, the social client judges the synthetic sound
Sound signal is believed with as the verifying sound for removing the second foundation for having covered the pre-set image of the short-sighted frequency
Number whether match, comprising:
The social client judges the synthetic video signal and as removing the institute for having covered the short-sighted frequency
Whether the snap point stated between the verifying voice signal of the second foundation of pre-set image is identical；
If they are the same, the social client judges corresponding first multi-C vector of the vocal print feature of the synthetic video signal
Whether the second multi-C vector corresponding with the verifying vocal print feature of voice signal matches, if matching, determines the synthetic sound
Sound signal matches with the verifying voice signal；If mismatching, determine that the synthetic video signal and the verifying sound are believed
Number mismatch；
Wherein, corresponding first multi-C vector of the vocal print feature of the synthetic video signal by mel-frequency cepstrum coefficient,
Linear prediction residue error, the first-order difference of the mel-frequency cepstrum coefficient, the linear prediction residue error a scale
Divide, energy, the first-order difference of the energy and Gammatone filter cepstrum coefficient collectively constitute.
In the embodiment of the present invention, social client issued on the first cluster conversation interface for detecting the first group certain
After one short-sighted frequency is by legitimate user's viewing of social client, prompt to be selected from the second group the of the second group
Publication has any two user of voice signal on two cluster conversation interfaces, to form the first user couple；Social client can be with
First user couple and short-sighted frequency are associated, and cover short-sighted frequency using pre-set image on the first cluster conversation interface,
First user is to as the first foundation for removing the pre-set image for having covered short-sighted frequency.As it can be seen that implement the embodiment of the present invention,
Even if can also be dropped based on across group mechanisms in the case where user equipment (such as mobile phone) non-screen locking where social client
The risk that the short-sighted frequency issued on the cluster conversation interface of low a certain group is pried through by other people.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is that a kind of process of the peep-proof vision method based on the short-sighted frequency across group mechanisms disclosed by the embodiments of the present invention is shown
It is intended to；
Fig. 2 is the process of another peep-proof vision method based on the short-sighted frequency across group mechanisms disclosed by the embodiments of the present invention
Schematic diagram；
Fig. 3 is the process of another peep-proof vision method based on the short-sighted frequency across group mechanisms disclosed by the embodiments of the present invention
Schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
It should be noted that the term " includes " of the embodiment of the present invention and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
The embodiment of the invention discloses a kind of peep-proof vision method based on the short-sighted frequency across group mechanisms, this method reduces certain
The risk that the short-sighted frequency issued on the cluster conversation interface of one group is pried through by other people.Attached drawing is combined below to carry out in detail
Description.
Referring to Fig. 1, Fig. 1 is a kind of peep-proof side based on the short-sighted frequency across group mechanisms disclosed by the embodiments of the present invention
The flow diagram of method.In peep-proof vision method based on the short-sighted frequency across group mechanisms shown in Fig. 1, the first group and
Associated second group of one group is created in social client, and social client can include but is not limited to wechat, QQ；
Social client may be mounted on the user equipmenies such as cell phone, tablet computer.As shown in Figure 1, should be based on across group mechanisms
The peep-proof vision method of short-sighted frequency may comprise steps of:
101, established on group's mapping settings interface that social client provides in advance the group identification of the first group with
Mapping relations between the group identification of second group, the mapping relations are associated with the second group for indicating the first group.
Wherein, group's mapping settings interface can with user equipment of the social client where detecting social client with
When simultaneously identical action event (such as identical to get rid of action event) occurs for both wearable devices that user equipment is wirelessly connected
It is shown to user.
102, a certain short-sighted frequency quilt that social client is issued on the first cluster conversation interface for detecting the first group
After legitimate user's viewing of social client, prompt to select the second cluster conversation in the second group from the second group
Publication has any two user of voice signal on interface, to form the first user couple.
As an alternative embodiment, what social client was issued on the first cluster conversation interface of the first group
When a certain short-sighted frequency is watched by currently used person, the legitimate user whether currently used person belongs to social client can be verified,
If so, whether social client can be with a certain short-sighted frequency issued on the first cluster conversation interface of the first group by social client
Legitimate user's viewing at end finishes, if viewing finishes, prompts to select the second group meeting in the second group from the second group
Publication has any two user of voice signal on words interface, to form the first user couple.Wherein, social client verifying viewing
Whether user belongs to the legitimate user of social client, may include:
Social client acquires the color information of the facial image of currently used person；
Social client carries out binary conversion treatment to the color information of the facial image of currently used person；
The facial image of currently used person after binary conversion treatment is divided into multiple block of pixels by social client, and to each
The corresponding pixel value of all pixels carries out or operation in block of pixels, obtain each block of pixels or operation result composition it is currently used
The down-sampled images of the facial image of person；
Obtained down-sampled images are divided into multiple pixel regions by social client, by institute in each pixel region
Have pixel or operation result summation, obtain the feature for forming each pixel region of facial image of the currently used person
Information；
Social client currently makes according to the judgement of the characteristic information of each pixel region of the facial image of currently used person
Whether the facial image of user and the facial image of the pre-stored legitimate user of social client match, if matching, determine
Viewing user belongs to the legitimate user of social client.Wherein, this embodiment can accurately identify short-sighted frequency quilt
The pre-stored legitimate user's viewing of social client, which finishes, just executes subsequent short-sighted frequency covering, prevents illegal user from touching wantonly
Hair social client covers any short-sighted frequency issued on the first cluster conversation interface of the first group, so as to mention
Rise legitimacy, the reliability of short-sighted frequency covering.
In the embodiment of the present invention, social client can select the second group meeting in the second group from the second group
Publication has each user of voice signal on words interface, and pops up the first user to selection interface, and first user is to selection circle
It include having voice signal each from selecting on the second cluster conversation interface of the second group publication in the second group on face
The mark of user；Correspondingly, social client can detecte the legitimate user of social client from first user to selection circle
The mark of any two user selected on face, to realize the second group selected from the second group in the second group
Publication has any two user of voice signal on session interface, to form the first user couple.
Wherein, publication has each user of voice signal to refer to currently in the meeting of the second group on the second cluster conversation interface
The publication that can be viewed on words interface has each user of voice signal.
103, the first user couple and short-sighted frequency are associated by social client, and sharp on the first cluster conversation interface
Short-sighted frequency is covered with pre-set image；Wherein, the first user is to as first for removing the pre-set image for having covered short-sighted frequency
Foundation.
Wherein, the first user couple and short-sighted frequency are associated by social client refers to social client by the first user couple
In the corresponding relationship of mark of two users be associated with short-sighted frequency.
In the method depicted in fig. 1, though user equipment (such as mobile phone) non-screen locking where social client feelings
Under condition, it can also be pried through based on the short-sighted frequency issued on the cluster conversation interface for reducing a certain group across group mechanisms by other people
The risk arrived.In addition, in the method depicted in fig. 1, can prevent illegal user from triggering social client wantonly to first group
The short-sighted frequency of certain a part issued on the first cluster conversation interface of group is covered, so as to promote short-sighted frequency covering
Legitimacy, reliability.
Referring to Fig. 2, another peep-proof side based on the short-sighted frequency across group mechanisms disclosed by the embodiments of the present invention Fig. 2
The flow diagram of method.It, can be in advance on group's mapping settings interface that social client provides in method shown in Fig. 2
Establish the mapping relations between the group identification of the first group and the group identification of the second group, the mapping relations are for indicating the
One group is associated with the second group.As shown in Fig. 2, the peep-proof vision method based on the short-sighted frequency across group mechanisms may include
Following steps:
201, a certain short-sighted frequency quilt that social client is issued on the first cluster conversation interface for detecting the first group
After legitimate user's viewing of social client, prompt to select the second cluster conversation in the second group from the second group
Publication has any two user of voice signal on interface, to form the first user couple.
As an alternative embodiment, what social client was issued on the first cluster conversation interface of the first group
When a certain short-sighted frequency is watched by currently used person, the legitimate user whether currently used person belongs to social client can be verified,
If so, whether social client can be with a certain short-sighted frequency issued on the first cluster conversation interface of the first group by social client
Legitimate user's viewing at end finishes, if viewing finishes, prompts to select the second group meeting in the second group from the second group
Publication has any two user of voice signal on words interface, to form the first user couple.Wherein, social client verifying viewing
Whether user belongs to the legitimate user of social client, may include:
Social client acquires the color information of the facial image of currently used person；
Social client carries out binary conversion treatment to the color information of the facial image of currently used person；
The facial image of currently used person after binary conversion treatment is divided into multiple block of pixels by social client, and to each
The corresponding pixel value of all pixels carries out or operation in block of pixels, obtain each block of pixels or operation result composition it is currently used
The down-sampled images of the facial image of person；
Obtained down-sampled images are divided into multiple pixel regions by social client, by institute in each pixel region
Have pixel or operation result summation, obtain the feature for forming each pixel region of facial image of the currently used person
Information；
Social client currently makes according to the judgement of the characteristic information of each pixel region of the facial image of currently used person
Whether the facial image of user and the facial image of the pre-stored legitimate user of social client match, if matching, determine
Viewing user belongs to the legitimate user of social client.Wherein, this embodiment can accurately identify short-sighted frequency quilt
The pre-stored legitimate user's viewing of social client, which finishes, just executes subsequent short-sighted frequency covering, prevents illegal user from touching wantonly
Hair social client covers any short-sighted frequency issued on the first cluster conversation interface of the first group, so as to mention
Rise legitimacy, the reliability of short-sighted frequency covering.
In the embodiment of the present invention, social client can select the second group meeting in the second group from the second group
Publication has each user of voice signal on words interface, and pops up the first user to selection interface, and first user is to selection circle
It include having voice signal each from selecting on the second cluster conversation interface of the second group publication in the second group on face
The mark of user；Correspondingly, social client can detecte the legitimate user of social client from first user to selection circle
The mark of any two user selected on face, to realize the second group selected from the second group in the second group
Publication has any two user of voice signal on session interface, to form the first user couple.
Wherein, publication has each user of voice signal to refer to currently in the meeting of the second group on the second cluster conversation interface
The publication that can be viewed on words interface has each user of voice signal.
202, the first user couple and short-sighted frequency are associated by social client, and sharp on the first cluster conversation interface
Short-sighted frequency is covered with pre-set image；Wherein, the first user is to as first for removing the pre-set image for having covered short-sighted frequency
Foundation.
In the embodiment of the present invention, social client can select the second group meeting in the second group from the second group
Publication has each user of voice signal on words interface, and pops up the first user to selection interface, and first user is to selection circle
It include having voice signal each from selecting on the second cluster conversation interface of the second group publication in the second group on face
The mark of user；Correspondingly, social client can detecte the currently used person of social client from first user to selection
The mark of any two user selected on interface, to realize second group selected from the second group in the second group
Publication has any two user of voice signal on group session interface, to form the first user couple.
Wherein, publication has each user of voice signal to refer to currently in the meeting of the second group on the second cluster conversation interface
The publication that can be viewed on words interface has each user of voice signal.
203, shifting of the social client detection for the pre-set image for having covered short-sighted frequency on the first cluster conversation interface
Except instruction.
204, social client is instructed according to removing, and prompts to choose any two user from the second group, to form the
Two users couple.
In the embodiment of the present invention, social client can be according to this according to instruction is removed, and pop-up second user is to selection circle
Face, the second user is to the mark including all users in the second group in selection interface；Correspondingly, social client can be with
Detect social client legitimate user from the second user to the mark of any two user selected in selection interface, thus
Realization selects any two user from the second group, to form second user pair.
205, the second user that social client judgement is chosen has covered short-sighted frequency and has preset to as removal
Whether the first user of the first foundation of image is to identical；If they are the same, step 206 is executed；If not identical, terminate this process.
206, social client removes the pre-set image for having covered short-sighted frequency on the first cluster conversation interface, with
Again short-sighted frequency is shown.
In the method depicted in fig. 2, only when the second of any two user formation selected from the second group
User couple it is associated with short-sighted frequency and on the second cluster conversation interface publication have the first user of voice signal to it is identical when,
Just the pre-set image for having covered short-sighted frequency on the first cluster conversation interface is removed, to show short-sighted frequency again；Conversely,
If the second user pair and short-sighted frequency that any two user that selects from the second group is formed are associated and at second group
On group session interface publication have the first user of voice signal to it is not identical when, the covering on the first cluster conversation interface is short-sighted
The pre-set image of frequency will not be removed, and short-sighted frequency is still capped.As it can be seen that implementing method described in Fig. 2, even if in social visitor
It, also can be based on the group for reducing a certain group across group mechanisms in the case where user equipment (such as mobile phone) non-screen locking where the end of family
The risk that the short-sighted frequency issued on group session interface is pried through by other people.In addition, in the method depicted in fig. 2, can prevent
Illegal user triggers social client wantonly and covers to the short-sighted frequency issued on the second cluster conversation interface of the first group,
So as to promote legitimacy, the reliability of short-sighted frequency covering.
Referring to Fig. 3, another peep-proof side based on the short-sighted frequency across group mechanisms disclosed by the embodiments of the present invention Fig. 3
The flow diagram of method.It, can be in advance on group's mapping settings interface that social client provides in method shown in Fig. 3
Establish the mapping relations between the group identification of the first group and the group identification of the second group, the mapping relations are for indicating the
One group is associated with the second group.As shown in figure 3, the peep-proof vision method based on the short-sighted frequency across group mechanisms may include
Following steps:
301, a certain short-sighted frequency quilt that social client is issued on the first cluster conversation interface for detecting the first group
After legitimate user's viewing of social client, prompt to select the second cluster conversation in the second group from the second group
Publication has any two user of voice signal on interface, to form the first user couple.
302, the first user couple and short-sighted frequency are associated by social client, prompt to select from the second cluster conversation interface
Take out the first user to comprising a user publication the first voice signal, and prompt selected from the second cluster conversation interface
Take out the first user to comprising another user publication second sound signal.
Wherein, the first user to comprising a user publication the first voice signal can be the first user to comprising
The voice signal or environmental sound signal that one user issues on the second cluster conversation interface, the first user to comprising another
User publication the first voice signal can be the first user to comprising another user sent out on the second cluster conversation interface
The voice signal or environmental sound signal of cloth, the embodiment of the present invention are not construed as limiting.
303, social client carries out synthesis to the first voice signal and second sound signal of selection and is verified sound
Sound signal.
As an alternative embodiment, social client is social before executing step 303 in present invention implementation
Client can first judge whether the first voice signal and second sound signal are voice signal, if the first voice signal with
And second sound signal is voice signal, just executes step 303.
For example, social client can take following manner accurately to judge whether the first voice signal is voice
Signal, it may be assumed that
Social client carries out Fast Fourier Transform (FFT) to the first voice signal and obtains frequency-region signal；
Social client calculates spectrum amplitude angle value according to frequency-region signal；
Social client calculates probability density according to spectrum amplitude angle value；
Social client calculates the spectrum entropy of the first voice signal according to probability density；
Social client determines whether the first voice signal is voice signal according to spectrum entropy；
Wherein, social client determines whether the first voice signal is voice signal according to spectrum entropy, may include:
Social client calculates the energy of the first voice signal；
Social client determines whether the first voice signal is voice letter according to the energy and spectrum entropy of the first voice signal
Number, i.e., social client can calculate the product of the energy of the first voice signal and the spectrum entropy of the first voice signal, and multiply to this
Product carries out extraction of square root operation, obtains the corresponding extraction of square root value of the product；And social client may determine that the product is corresponding
Whether extraction of square root value is greater than preset threshold, if so, determining that the first voice signal is voice signal, if not, it is determined that first
Voice signal is not voice signal.
304, social client will be verified voice signal and is associated with short-sighted frequency, utilize on the first cluster conversation interface
Pre-set image covers short-sighted frequency；Wherein, the first user to as first for removing the pre-set image for having covered short-sighted frequency according to
According to；Verifying voice signal is as the second foundation for removing the pre-set image for having covered short-sighted frequency.
305, shifting of the social client detection for the pre-set image for having covered short-sighted frequency on the first cluster conversation interface
Except instruction.
306, social client is instructed according to removing, and prompts to choose any two user from the second group, to form the
Two users couple.
307, social client judge second user pair with as removing the pre-set image for having covered short-sighted frequency
Whether the first user of one foundation is to identical；If they are the same, step 308- step 310 is executed；If not identical, terminate this process.
308, social client prompt selected from the second cluster conversation interface second user to comprising a user
The third voice signal of publication, and prompt the second cluster conversation interface on select second user to comprising another user
The falling tone sound signal of publication.
309, social client is synthesized to obtain synthetic sound to the third voice signal and falling tone sound signal of selection
Sound signal.
310, social client judge synthetic video signal with as removing the pre-set image for having covered short-sighted frequency
Whether the verifying voice signal of the second foundation matches, if matching, executes step 311；If mismatching, terminate this process.
311, social client removes the pre-set image for having covered short-sighted frequency on the first cluster conversation interface, with
Again short-sighted frequency is shown.
As an alternative embodiment, in above-mentioned steps 303, social client to the first voice signal of selection with
And second sound signal carries out synthesis and is verified voice signal, comprising:
Social client determines the snap point between the first voice signal and second sound signal chosen；Wherein, it is aligned
Point refers to the starting position that the first voice signal is synthesized with second sound signal；In other words, the first voice signal and the rising tone
It if sound signal will synthesize, needs to find and is synthesized since which audio frame, this audio frame is it can be understood that be snap point；
First voice signal and second sound signal are synthesized verifying voice signal according to snap point by social client.
As an alternative embodiment, social client determines the first voice signal and second sound signal chosen
Between snap point, comprising:
Social client calculates the first duration of the first voice signal chosen and the second duration of second sound signal；
Wherein, the first duration indicates the time of the sound go of the first voice signal；The sound of second duration expression second sound signal
Duration；
Social client calculates the difference between the first duration and the second duration；
Social client judges whether the difference is less than or equal to default value, if so, to the first voice signal and second
Any voice signal in voice signal carries out the scaling on the period, to obtain identical first voice signal of final duration
And second sound signal, then with the first audio frame of identical first voice signal of final duration and second sound signal work
For snap point.
In the embodiment of the present invention, if the difference is less than or equal to default value, illustrate two voice signals (i.e. first
Voice signal and second sound signal) input when gap it is smaller, at this time can be to one of voice signal (such as first
Voice signal) carry out the period on scaling, such as to the longer voice signal of duration carry out the period on compression (be namely commonly called as
F.F.), and/or the amplification (slow-motion being namely commonly called as) on the period is carried out to the shorter voice signal of duration, so that two
The final duration of voice signal is identical, then is aligned using the first audio frame of two voice signals as snap point.
Wherein, the value range of the default value can be 0 to 0.1 second.
As an alternative embodiment, social client is to any in the first voice signal and second sound signal
Voice signal carries out the scaling on the period, comprising:
If the first duration of the first voice signal is shorter relative to the second duration of second sound signal, social client root
Determine that the difference accounts for the ratio X of the first duration of the first voice signal according to the difference；
Social client calculates the audio frame number Y of the first voice signal；
Social client calculates amplification coefficient Z, Z=X* (Y/ (Y-1))；
Social client is according to amplification coefficient, to other audio frames in the first voice signal other than first audio frame
Carry out equal proportion amplification so that the final duration of amplified first voice signal and second sound signal second when
Length is identical.
For example, the first voice signal is 1 second, has 100 audio frames, then each audio frame 0.01 second, second sound
Signal is 1.1 seconds, needs to be amplified to the first voice signal 1.1 seconds.First frame is motionless, amplifies subsequent 99 frame, and first determination is put
Big coefficient Z be 0.1* (100/ (100-1))=0.101, i.e., 10.1%；Subsequent 99 frame, every frame need to amplify at this time
10.1%, amplified every frame is 0.01* (1+10.1%)=0.01101, and the length of this 99 frame is 1.09 seconds after amplification, then plus
On do not move first frame 0.01 second, be just 1.1 seconds, i.e., the final duration and second of amplified first voice signal
Second duration of voice signal is identical.
In the embodiment of the present invention, if the difference is greater than default value, illustrate two voice signals (i.e. the first sound letter
Number and second sound signal) input when gap it is larger, if at this time or to one of voice signal carry out the period
On scaling, then scale after will cause more serious distortion, subsequent verification will appear problem, it is possible to use cross-correlation
Algorithm determines snap point.That is, when the difference is greater than default value, this method further include:
Social client using identical default sample frequency to the first voice signal and second sound signal respectively into
Row sampling, obtains the first set of samples and the second set of samples；
Social client is according to default sample frequency (such as 8000Hz to 10000Hz), the first set of samples, the second set of samples
And cross-correlation weight generates cross-correlation group；Wherein, cross-correlation weight and the difference are positively correlated that (such as the cross-correlation weight can be with
It is 1.5 times of the difference), it include multiple numerical value in cross-correlation group；
Multiple numerical value in cross-correlation group are compared by social client, find out maximum numerical value；
Social client uses the corresponding audio frame position of maximum numerical value as snap point.
Wherein, social client is raw according to default sample frequency, the first set of samples, the second set of samples and cross-correlation weight
At cross-correlation group, comprising:
Wherein, Sn[t] indicates cross-correlation group, and x [m] indicates m-th of sampled data in first set of samples, y [m-t]
Indicate (m-t) a sampled data in second set of samples, t indicates the offset of time, and t is integer, value be from 0 to
M, WtIndicate window function, wherein n=l*f, l is cross-correlation weight, and f is default sample frequency.
Wherein, social client uses the corresponding audio frame position of maximum numerical value can be with as snap point are as follows:
After social client finds the maximum numerical value, instead it can release m is how many according to above-mentioned formula (1),
It is exactly which sampled data, which the audio frame where then determining the sampled data again is, and uses the audio frame
As snap point.
In the embodiment of the present invention, social client is after getting the first voice signal and second sound signal, not
It is the two voice signals are verified one by one, but the two voice signals is carried out synthesis and are verified sound letter
Number, it is then subsequent again to match synthetic video signal with verifying voice signal when needing to remove pre-set image, and sound
After signal synthesis, it can generate and more can verify that parameter (such as whether snap point is identical, whether vocal print feature matches), compare
In verifying two voice signals one by one, the safety of verifying is improved.
As an alternative embodiment, social client judges synthetic video signal and conduct in above-mentioned steps 310
Whether the verifying voice signal for removing the second foundation of the pre-set image for having covered short-sighted frequency matches, comprising:
Social client judges synthetic video signal and as second for removing the pre-set image for having covered short-sighted frequency
Whether the snap point between the verifying voice signal of foundation is identical；Wherein, snap point is identical mixes including snap point corresponding two
Close the mixed of audio frame (a mixed audio frame belongs to synthetic video signal, another mixed audio frame belongs to verifying voice signal)
Close that content frame is identical and the frame time of the corresponding two mixed audio frames of snap point is also identical；
If they are the same, social client judges corresponding first multi-C vector of the vocal print feature of synthetic video signal and verifying sound
Whether corresponding second multi-C vector of the vocal print feature of sound signal matches, if matching, determines synthetic video signal and verifying sound
Signal matches；If mismatching, determine that synthetic video signal and verifying voice signal mismatch；
Wherein, corresponding first multi-C vector of the vocal print feature of synthetic video signal is by mel-frequency cepstrum coefficient, linear
Predict cepstrum coefficient, the first-order difference of the mel-frequency cepstrum coefficient, the first-order difference of the linear prediction residue error, energy
Amount, the first-order difference of the energy and Gammatone filter cepstrum coefficient collectively constitute.Wherein, implement above-mentioned embodiment party
The accuracy of Sound Match can be improved in formula.
In the method depicted in fig. 3, though user equipment (such as mobile phone) non-screen locking where social client feelings
Under condition, the risk that the short-sighted frequency issued on the cluster conversation interface of a certain group is pried through by other people also can reduce.In addition,
In method described in Fig. 3, the first cluster conversation that can prevent illegal user from triggering social client wantonly to the first group
The short-sighted frequency issued on interface is covered, so as to promote legitimacy, the reliability of short-sighted frequency covering.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium include read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits
Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only memory (One-
Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only memory
(Electrically-Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact
Disc Read-Only Memory, CD-ROM) or other disc memories, magnetic disk storage, magnetic tape storage or can
For carrying or any other computer-readable medium of storing data.
A kind of peep-proof vision method based on the short-sighted frequency across group mechanisms disclosed by the embodiments of the present invention is carried out above
It is discussed in detail, used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (9)
1. a kind of peep-proof vision method based on the short-sighted frequency across group mechanisms, the first group and the second group are created in social visitor
In the end of family, which is characterized in that the described method includes:
The a certain short-sighted frequency quilt that the social client is issued on the first cluster conversation interface for detecting first group
After legitimate user's viewing of the social client, prompt to be selected from second group in second group
Publication has any two user of voice signal on second cluster conversation interface, to form the first user couple；
First user couple and the short-sighted frequency are associated by the social client, and in first cluster conversation
The short-sighted frequency is covered using pre-set image on interface；Wherein, first user is to described short as having covered for removal
First foundation of the pre-set image of video.
2. the peep-proof vision method according to claim 1 based on the short-sighted frequency across group mechanisms, which is characterized in that the society
After handing over client to cover the short-sighted frequency using pre-set image on first cluster conversation interface, the method is also wrapped
It includes:
The social client detection has covered the described default of the short-sighted frequency on first cluster conversation interface
The removal of image instructs；
The social client is instructed according to the removal, prompts to choose any two user from second group, with shape
At second user pair；
The second user pair that social client judgement is chosen with as removing the institute for having covered the short-sighted frequency
First user of the first foundation of pre-set image is stated to whether identical；
If they are the same, the social client will cover the described default of the short-sighted frequency on first cluster conversation interface
Image is removed, to show the short-sighted frequency again.
3. the peep-proof vision method according to claim 2 based on the short-sighted frequency across group mechanisms, which is characterized in that the society
After handing over client to be associated first user couple and the short-sighted frequency, and on first cluster conversation interface
Before covering the short-sighted frequency using pre-set image, the method also includes:
Social client prompt selected from second cluster conversation interface first user to comprising one
First voice signal of user's publication, and prompt select first user to packet from second cluster conversation interface
The second sound signal of another user publication contained；
The social client is synthesized and is tested to first voice signal of selection and the second sound signal
Demonstrate,prove voice signal；
The verifying voice signal and the short-sighted frequency are associated by the social client, and are executed described described the
The step of covering the short-sighted frequency using pre-set image on one cluster conversation interface；Wherein, the verifying voice signal is as use
The second foundation of the pre-set image of the short-sighted frequency has been covered in removal；
The social client judges that the second user pair has covered the described pre- of the short-sighted frequency with as removing
If first user of the first foundation of image is to after identical and the social client is by first cluster conversation
The pre-set image for having covered the short-sighted frequency on interface is removed, described before showing the short-sighted frequency again
Method further include:
Social client prompt selected from second cluster conversation interface second user to comprising one
The third voice signal of user's publication, and prompt select the second user to packet from second cluster conversation interface
The falling tone sound signal of another user publication contained；
The social client is synthesized and is closed to the third voice signal of selection and the falling tone sound signal
At voice signal；
The social client judges that the synthetic video signal has covered the described pre- of the short-sighted frequency with as removing
If whether the verifying voice signal of the second foundation of image matches, if matching, execute described by first group meeting
The pre-set image for having covered the short-sighted frequency on words interface is removed, the step of to show the short-sighted frequency again.
4. the peep-proof vision method according to claim 3 based on the short-sighted frequency across group mechanisms, which is characterized in that the society
It hands over client to carry out synthesis to first voice signal of selection and the second sound signal and is verified voice signal,
Include:
The social client determines the snap point between first voice signal and the second sound signal chosen；Its
In, the snap point refers to the starting position that first voice signal is synthesized with the second sound signal；
First voice signal is synthesized with the second sound signal according to the snap point and is tested by the social client
Demonstrate,prove voice signal.
5. the peep-proof vision method according to claim 4 based on the short-sighted frequency across group mechanisms, which is characterized in that the society
Client is handed over to determine the snap point between first voice signal and the second sound signal chosen, comprising:
The social client calculate first voice signal chosen the first duration and the second sound signal
Second duration；Wherein, first duration indicates the time of the sound go of first voice signal；The second duration table
Show the time of the sound go of the second sound signal；
The social client calculates the difference between first duration and second duration；
The social client judges whether the difference is less than or equal to default value, if so, to first voice signal
The scaling on the period is carried out with any voice signal in the second sound signal, to obtain final duration identical the
One voice signal and second sound signal, then with identical first voice signal of the final duration and second sound signal
First audio frame as snap point.
6. the peep-proof vision method according to claim 5 based on the short-sighted frequency across group mechanisms, which is characterized in that the society
Client is handed over to carry out the scaling on the period to any voice signal in first voice signal and the second sound signal,
Include:
If the first duration of first voice signal is shorter relative to the second duration of the second sound signal, the social activity
Client determines that the difference accounts for the ratio X of the first duration of first voice signal according to the difference；
The social client calculates the audio frame number Y of first voice signal；
The social client calculates amplification coefficient Z, the Z=X* (Y/ (Y-1))；
The social client is according to the amplification coefficient, to its in first voice signal other than first audio frame
He carries out equal proportion amplification by audio frame, so that the final duration of amplified first voice signal and the second sound
Second duration of signal is identical.
7. the peep-proof vision method according to claim 5 or 6 based on the short-sighted frequency across group mechanisms, which is characterized in that if
The difference is greater than the default value, the method also includes:
The social client is using identical default sample frequency to first voice signal and the rising tone message
It number is sampled respectively, obtains the first set of samples and the second set of samples；
The social client according to the default sample frequency, first set of samples, second set of samples and mutually
It closes weight and generates cross-correlation group；Wherein, the cross-correlation weight and the difference are positively correlated, and include more in the cross-correlation group
A numerical value；
Multiple numerical value in the cross-correlation group are compared by the social client, find out maximum numerical value；
The social client uses the corresponding audio frame position of the maximum numerical value as snap point.
8. the peep-proof vision method according to claim 7 based on the short-sighted frequency across group mechanisms, which is characterized in that the society
Client is handed over to be generated according to the default sample frequency, first set of samples, second set of samples and cross-correlation weight
Cross-correlation group, comprising:
Wherein, Sn[t] indicates cross-correlation group, and x [m] indicates m-th of sampled data in first set of samples, and y [m-t] is indicated
(m-t) a sampled data in second set of samples, t indicate the offset of time, and t is integer, and value is the W from 0 to mt
Indicate window function, wherein n=l*f, l is cross-correlation weight, and f is the default sample frequency.
9. according to the described in any item peep-proof vision methods based on the short-sighted frequency across group mechanisms of claim 4-8, feature exists
In the social client judges that the synthetic video signal has covered the described default of the short-sighted frequency with as removing
Whether the verifying voice signal of the second foundation of image matches, comprising:
The social client judges that the synthetic video signal has covered the described pre- of the short-sighted frequency with as removing
If whether the snap point between the verifying voice signal of the second foundation of image is identical；
If they are the same, the social client judges corresponding first multi-C vector of the vocal print feature of the synthetic video signal and institute
Whether corresponding second multi-C vector of vocal print feature for stating verifying voice signal matches, if matching, determines the synthetic sound message
Number match with the verifying voice signal；If mismatching, the synthetic video signal and the verifying voice signal are determined not
Matching；
Wherein, corresponding first multi-C vector of the vocal print feature of the synthetic video signal is by mel-frequency cepstrum coefficient, linear
Predict cepstrum coefficient, the first-order difference of the mel-frequency cepstrum coefficient, the first-order difference of the linear prediction residue error, energy
Amount, the first-order difference of the energy and Gammatone filter cepstrum coefficient collectively constitute.
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