CN105227915B - Image communicating method and device - Google Patents
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Abstract
This application provides the image communicating method embodiment of a kind of offer applied on image display, the present embodiment is modulated at least two polarized light signals in original image according to communication data, and shows the image for including modulated polarized light signal.It should be noted that the superposition value that each modulated polarized light signal is overlapped mutually, identical as the superposition value being overlapped mutually before modulation, then from the perspective of human eye viewing, the image and original image that modulated polarized light signal generates are no difference.As it can be seen that the present embodiment can transmit communication data by image concealing.In addition, present invention also provides apply image receiving apparatus image communicating method embodiment, apply image display image communicating device embodiment and apply image communicating device embodiment in image receiving apparatus.
Description
Technical field
This application involves technical field of visible light communication, more specifically, being image communicating method and device.
Background technology
Display screen, the image of output may be considered to be made of visible light signal, we can watch display screen output
The image.But it is known that visible light is a kind of electromagnetic wave, it can be used as information carrier, to transmit some communication numbers
It is believed that breath.Currently, how in the case where not influencing human eye viewing image, while image transmitting communication data is utilized, it is one
Problem to be solved.
Invention content
In view of this, this application provides the image communicating method applied in image display, to realize to communication
The secret transmissions of data.Present invention also provides the image communicating method embodiments applied in image receiving apparatus.
In addition, present invention also provides apply image display image communicating device embodiment and apply
The image communicating device of image receiving apparatus, to ensure the application and realization of the above method in practice.
In order to achieve the object, technical solution provided by the present application is as follows：
A kind of image communicating method is applied in image display, and this method includes：
Obtain original image and communication data；Wherein, the original image by N number of original polarization optical signal set at N is more than
Equal to 2；
In N number of original polarization optical signal of the original image, at least two target polarization optical signals are chosen；
According to the communication data, the objective attribute target attribute of at least two target polarizations optical signal is modulated respectively,
Obtain modulating polarization optical signal；Wherein, the superposition value of the objective attribute target attribute of the modulating polarization optical signal, with the target polarization light
The superposition value of the objective attribute target attribute of signal is identical；
Display by the original polarization optical signal set except the modulating polarization optical signal and the target polarization light at mesh
Logo image.
Optionally, above-mentioned image communicating method, the N are 2, and the target polarization optical signal chosen is two.
Optionally, above-mentioned image communicating method, the communication data are binary sequence, are previously provided with modulation value,
Described two target polarization optical signals include first object polarized light signal and the second target polarization optical signal；
Correspondingly, according to the communication data, the objective attribute target attribute of two target polarization optical signals is adjusted respectively
System obtains modulating polarization optical signal, including：
In the case where the binary sequence includes binary one, by the target category of the first object polarized light signal
Property increase the adjusted value, and the objective attribute target attribute of the second target polarization optical signal is reduced into the adjusted value；
In the case where the binary sequence includes Binary Zero, by the target category of the first object polarized light signal
Property reduce the adjusted value, and the objective attribute target attribute of the second target polarization optical signal is increased into the adjusted value.
Optionally, above-mentioned image communicating method, the objective attribute target attribute are color or brightness.
Present invention also provides a kind of image communicating methods, receive and set applied to the image for being provided with polarized-light separation device
Standby, this method includes：
The target image that acquisition image display is shown；Wherein, inclined comprising at least two modulation in the target image
Shake optical signal, and the modulating polarization optical signal is that described image shows equipment according to communication data, to the original graph got
After the objective attribute target attribute of the polarized light signal of picture is modulated, the polarized light signal of generation；
It controls the polarized-light separation device and extracts a modulating polarization optical signal in the target image；
The objective attribute target attribute of the modulating polarization optical signal according to extraction, obtains the communication data.
It present invention also provides a kind of image communicating device, applies in image display, which includes：
Image and communication data acquisition module, for obtaining original image and communication data；Wherein, the original image by
N number of original polarization optical signal set is at N is more than or equal to 2；
Polarized light signal chooses module, in N number of original polarization optical signal of the original image, choosing at least two
A target polarization optical signal；
Polarized light signal modulation module is used for according to the communication data, respectively at least two target polarizations light
The objective attribute target attribute of signal is modulated, and obtains modulating polarization optical signal；Wherein, the objective attribute target attribute of the modulating polarization optical signal
Superposition value is identical as the superposition value of objective attribute target attribute of target polarization optical signal；
Modulation image display module, for showing by the original except the modulating polarization optical signal and the target polarization light
The target image of beginning polarized light signal composition.
Optionally, above-mentioned image communicating device, the N is 2, and polarized light signal chooses the target that module is chosen
Polarized light signal is two.
Optionally, the communication data that above-mentioned image communicating device, described image and communication data acquisition module are got
For binary sequence, it includes first object polarised light that polarized light signal, which chooses described two target polarization optical signals that module is chosen,
Signal and the second target polarization optical signal；
Correspondingly, include according to polarized light signal modulation module：
First modulation submodule, is used in the case where the binary sequence includes binary one, by the first object
The objective attribute target attribute of polarized light signal increases preset adjusted value, and the objective attribute target attribute of the second target polarization optical signal is reduced
The adjusted value；
Second modulation submodule, is used in the case where the binary sequence includes Binary Zero, by the first object
The objective attribute target attribute of polarized light signal reduces the adjusted value, and the objective attribute target attribute of the second target polarization optical signal is increased institute
State adjusted value.
Optionally, above-mentioned image communicating device, the objective attribute target attribute are color or brightness.
Present invention also provides a kind of image communicating devices, receive and set applied to the image for being provided with polarized-light separation device
Standby, which includes：
Target image acquisition module, the target image shown for acquiring image display；Wherein, the target image
In include at least two modulating polarization optical signals, and the modulating polarization optical signal be described image show equipment according to communication number
According to, after being modulated to the objective attribute target attribute of the polarized light signal of the original image got, the polarized light signal of generation；
Single polarised light extraction module extracts one in the target image for controlling the polarized-light separation device
Modulating polarization optical signal；
Communication data extraction module, for the objective attribute target attribute of the modulating polarization optical signal according to extraction, described in acquisition
Communication data.
As known from the above, this application provides a kind of image communicating method embodiment applied on image display,
The present embodiment can be modulated at least two polarized light signals in original image according to communication data, and shows and include
The image of modulated polarized light signal.It should be noted that the superposition value that each modulated polarized light signal is overlapped mutually,
Identical as the superposition value being overlapped mutually before modulation, then from the perspective of human eye viewing, modulated polarized light signal generates
Image and original image, be no difference, that is to say, that the application can transmit communication data by image concealing.
Certainly, any product for implementing the application does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the flow chart provided by the present application applied in the image communicating method embodiment of image display；
Fig. 2 is the particular flow sheet provided by the present application being modulated to target polarization optical signal；
Fig. 3 is the flow chart provided by the present application applied in the image communicating method embodiment of image receiving apparatus；
Fig. 4 is the exemplary plot of image communicating method provided by the present application；
Fig. 5 is the structural schematic diagram provided by the present application applied in the image communicating device embodiment of image display；
Fig. 6 is the structural schematic diagram provided by the present application applied in the image communicating device embodiment of image receiving apparatus.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Referring to Fig. 1, it illustrates the flows of image communicating method embodiment provided by the present application.It should be noted that should
Image communicating method embodiment is applied on image display, such as computer monitor, outdoor electronic billboards, certainly, this
Only a kind of example, the application are not limited thereto, and the existing image display that can send out polarized light signal exists
In the protection domain of the application.
As shown in Figure 1, the image communicating method embodiment can specifically include step S101~step S104.Wherein：
Step S101：Obtain original image and communication data；Wherein, the original image is by N number of original polarization optical signal
Composition, N are more than or equal to 2.
In force, the original image that image display receives is made of N number of polarized light signal, for the ease of retouching
It states, original polarization light will be known as to polarized light signal.The polarization direction of N number of polarised light is different.Optionally, N is more than or equal to 2
Integer.
For example, the original polarization optical signal of original image is specially [A1,A2…AN]。
Step S102：In N number of original polarization optical signal of the original image, at least two target polarization light letter is chosen
Number.
Wherein, selection mode can be arbitrary selection, can also be to be selected according to polarization direction.It needs to illustrate
It is that the number of the target polarization optical signal of selection is at least two.For example, the polarized light signal of original image is 5,3 are selected
A target polarization optical signal.
Step S103：According to the communication data, respectively to the objective attribute target attribute of at least two target polarizations optical signal
It is modulated, obtains modulating polarization optical signal；Wherein, the superposition value of the objective attribute target attribute of the modulating polarization optical signal, and it is described
The superposition value of the objective attribute target attribute of target polarization optical signal is identical.
Wherein, communication data needs data to be transferred, usually binary sequence or multilevel sequence.Communication data
Particular content determine that the application is simultaneously not specifically limited, and the purpose of the application is that communication data is passed through figure by practical application
As transferring out.
The concrete mode of modulation is, according to communication data, to be modulated to each target polarization optical signal of selection, more
Specifically some attribute to target polarization optical signal is modulated.For ease of description, the attribute modulated can be claimed
For objective attribute target attribute.It is understood that modulation changes a certain attribute of original signal, according to the change of attribute, passed to reach
The purpose of defeated information.Optionally, objective attribute target attribute can be color or brightness etc..
It, should in order to ensure that human eye watches it should be noted that image display needs the image after modulation
Modulated image, is no difference with original image, then needs to be defined modulation system.It specifically, will be after each modulation
Polarized light signal objective attribute target attribute attribute value it is superimposed, the attribute value phase with the objective attribute target attribute of the polarized light signal before modulation
Deng.In this way, polarized light signal before modulation after, the superposition value of the attribute value of objective attribute target attribute does not change, and human eye is watched
Modulated image, also do not change.
Step S104：Display is by the original polarization optical signal except the modulating polarization optical signal and the target polarization light
The target image of composition.
Wherein, the image after this step i.e. modulation, i.e. target image.Specifically, since original image is by N number of original
Polarized light signal forms, and step S103 is modulated at least two target polarization optical signals in N number of original polarization optical signal,
Obtain modulating polarization optical signal.Therefore, it is original polarization optical signal (i.e. mesh by modulating polarization optical signal and without ovennodulation
Original polarization optical signal except mark polarised light) collectively constitute target image.
Certainly, if whole N number of original polarization optical signals is modulated by step S103, modulated image is
It is made of modulating polarization optical signal.
By above technical scheme it is found that present embodiments providing a kind of Image Communication side applied on image display
Method embodiment.The present embodiment can be modulated at least two polarized light signals in original image according to communication data, and
Display includes the image of modulated polarized light signal.It should be noted that each modulated polarized light signal is overlapped mutually
Superposition value, it is identical as the superposition value being overlapped mutually before modulation, then from human eye viewing from the perspective of, modulated polarised light
The image and original image that signal generates, are no difference.As it can be seen that the present embodiment can transmit communication data by image concealing.
Specifically, embedded communication data in the polarised light that image display can be after modulation, since human eye can not
The polarised light of different directions is differentiated, so the modulated polarized light signal that image display is shown is superposition in human eye
, as long as modulated polarised light superposition value is identical as before modulation, then human eye does not just feel as the variation of image, namely ensures
The crypticity of communication process.
Normally, in practical applications, the number of the original polarization optical signal in original image is 2 (N 2), i.e., original
Image is made of 2 different polarized light signals in polarization direction, and the polarization direction of 2 polarized light signals is mutually perpendicular to.Phase
Ying Di, the target polarization optical signal that step S102 chooses in above-described embodiment are two.It for ease of description, can be by selection
Target polarization optical signal is known as first object polarized light signal and the second target polarization optical signal.It should be noted that the first mesh
It can be arbitrarily selected, " first " and " second " therein and out-of-order to mark polarized light signal and the second target polarization optical signal
Relationship, it is only for distinguish one another.
In this case, communication data can be binary sequence, i.e., the sequence being made of 1 and 0.Then as shown in Fig. 2,
Communication data described in step S103 in above-described embodiment respectively carries out the objective attribute target attribute of two target polarization optical signals
Modulation, the specific implementation for obtaining modulating polarization optical signal may include step A1~A2.
Step A1：In the case where the binary sequence includes binary one, by the first object polarized light signal
Objective attribute target attribute increases the adjusted value, and the objective attribute target attribute of the second target polarization optical signal is reduced the adjusted value.
Wherein, it in binary sequence can include multiple binary digits, these binary digits are 1 or 0.If binary sequence
In include binary one, then by the objective attribute target attribute of first object polarized light signal on the basis of original value, increase adjusted value.And
And the objective attribute target attribute of the second target polarization optical signal is reduced into the adjusted value on the basis of original value.It should be noted that
The original value of two target polarization optical signal objective attribute target attributes is identical.
In this way, when modulating each binary one, the first object polarized light signal before modulation and the second target polarization light letter
Number superposition value, it is identical as the superposition value of modulated first polarized light signal and the second target polarization optical signal.
Step A2：In the case where the binary sequence includes Binary Zero, by the first object polarized light signal
Objective attribute target attribute reduces the adjusted value, and the objective attribute target attribute of the second target polarization optical signal is increased the adjusted value.
Wherein, if including Binary Zero in binary sequence, by the objective attribute target attribute of first object polarized light signal original
On the basis of, reduce adjusted value.Also, by the objective attribute target attribute of the second target polarization optical signal on the basis of original value, increase
The adjusted value.
In this way, when adjusting each Binary Zero, the first object polarized light signal before modulation and the second target polarization light letter
Number superposition value, it is identical as the superposition value of modulated first object polarized light signal and the second target polarization optical signal.
Above-mentioned steps A1 and step A2 are illustrated so that objective attribute target attribute is brightness as an example below.
Assuming that communication data is 10011, and pre-set adjusted value is 50%.It is modulated according to the communication data
When, the brightness of first object polarized light signal enhances 50% successively on the basis of the original, reduces by 50%, reduces by 50%, enhancing
50% and enhancing 50%, meanwhile, the brightness of the second target polarization optical signal reduces by 50% successively on the basis of the original, enhancing
50%, enhancing 50% reduces by 50% and reduction by 50%.In this way, by modulated first object polarized light signal and the second target
After polarized light signal is overlapped mutually, brightness does not change, after the modulation that human eye is watched the brightness of image also do not occur
Variation.
Certainly, identical as the mode of above-mentioned example if this objective attribute target attribute is modulated to color.
In practical applications, image display can include communication data in modulation image with the image of modulation,
It needs to extract the communication data in modulation image using image receiving apparatus.
Therefore, corresponding in the image communicating method embodiment of image display with above application, this application provides
Apply the image communicating method embodiment in image receiving apparatus.As shown in figure 3, this applies the image in image receiving apparatus logical
Letter embodiment of the method can specifically include step S301~step S303.
Step S301：The target image that acquisition image display is shown；Wherein, include at least two in the target image
A modulating polarization optical signal, and the modulating polarization optical signal is that described image shows equipment according to communication data, to getting
Original image polarized light signal objective attribute target attribute be modulated after, the polarized light signal of generation.
Wherein, image receiving apparatus can be the camera of the terminal devices such as mobile phone, tablet computer, in image receiving apparatus
It is provided with polarized-light separation device, such as polariscope etc..It should be noted that the target image that shows of image display can be with
It is the image generated according to above-mentioned image communicating method shown in FIG. 1.Polarized light signal in the target image is modulated
Polarized light signal.
Step S302：The modulated polarized light that the polarized-light separation device extracts in the target image is controlled to believe
Number.
It is understood that polarized-light separation device can extract in the polarized light signal of multiple and different polarization directions
Go out the polarized light signal of some polarization direction.
Step S303：The objective attribute target attribute of the modulating polarization optical signal according to extraction, obtains the communication data.
Wherein, the objective attribute target attribute of polarized light signal is by modulated, for example, the brightness of polarized light signal or color are
By modulated, then communication data can be then parsed according to brightness or the situation of change of color.
Specifically, it is determined that the original value of the objective attribute target attribute of the polarized light signal of the original image；By the modulating polarization
The attribute value of the objective attribute target attribute of optical signal is compared with the original value, obtains variation characteristic；According to variation characteristic and data value
Default correspondence, determine the data value corresponding to each variation characteristic, so that it is determined that the data value gone out be combined as communication number
According to completing the extraction of communication data.
It is illustrated by taking brightness as an example, if the brightness of modulating polarization optical signal enhances 50% successively, reduces by 50%, reduce
50%, enhance 50% and enhancing 50%, it is assumed that it is 1 that brightness, which enhances corresponding data, and it is 0 that brightness, which reduces corresponding data, then may be used
To extract communication data as 10011.
Optionally, above-mentioned original value can be obtained by trained mode, i.e., image display can be communicated in transmission
Before data, some training signals are transmitted, the attribute value of the objective attribute target attribute of the training signal and be the original value in the present embodiment.When
So, training method is only a kind of mode, and the application is not limited thereto.
From the above technical scheme, it can be seen that the image communicating method provided in this embodiment applied in image receiving apparatus,
The modulated polarized light of single direction can be extracted from the modulated target image that image display transmits, and from the tune
Communication data is extracted in polarised light processed.
Referring to Fig. 4, it illustrates the processes for applying the image communicating method in image display and image receiving apparatus
Signal.As shown in figure 4, original image after the modulation of communication data, is shown that human eye is watched by image display
Modulation image have no special character, i.e. human eye is normally watched.Image receiving apparatus acquires modulation image, polarised light therein point
From device, the modulating polarization optical signal of single direction is extracted from modulation image, image receiving apparatus is from the modulated polarized light
Communication data is extracted in signal.
Below to the image communicating device provided by the present application applied in image display, and applies and received in image
The image communicating device of equipment is introduced, it should be noted that the explanation in relation to image communicating device can refer to above-mentioned figure
As communication means, do not repeat below.
With reference to Fig. 5, it illustrates the image communicating device embodiments provided by the present application applied in image display
Structure.As shown in figure 5, the device may include：Image and communication data acquisition module 501, polarized light signal choose module
502, polarized light signal modulation module 503 and modulation image display module 504.Wherein：
Image and communication data acquisition module 501, for obtaining original image and communication data；Wherein, the original graph
Picture is by N number of original polarization optical signal set at N is more than or equal to 2；
Polarized light signal chooses module 502, in N number of original polarization optical signal of the original image, choosing extremely
Few two target polarization optical signals；
Polarized light signal modulation module 503 is used for according to the communication data, respectively at least two target polarization
The objective attribute target attribute of optical signal is modulated, and obtains modulating polarization optical signal；Wherein, the objective attribute target attribute of the modulating polarization optical signal
Superposition value, it is identical as the superposition value of objective attribute target attribute of target polarization optical signal；
Modulation image display module 504, except showing by the modulating polarization optical signal and the target polarization light
Original polarization optical signal set at target image.
It is filled by above technical scheme it is found that present embodiments providing a kind of Image Communication applied on image display
It sets.In the present apparatus, polarized light signal modulation module 503 can be according to communication data, to image and communication data acquisition module 501
At least two polarized light signals in the original image got are modulated, and in turn, modulation image display module 504 can be shown
Show the image for including modulated polarized light signal.It should be noted that each modulated polarized light signal was overlapped mutually
Superposition value, it is identical as the superposition value being overlapped mutually before modulation, then from the perspective of human eye viewing, modulated polarised light letter
Number generate image and original image, be no difference.As it can be seen that the present embodiment can transmit communication data by image concealing.
Specifically, embedded communication data in the polarised light that image display can be after modulation, since human eye can not
The polarised light of different directions is differentiated, so the modulated polarized light signal that image display is shown is superposition in human eye
, as long as modulated polarised light superposition value is identical as before modulation, then human eye does not just feel as the variation of image, namely ensures
The crypticity of communication process.
Optionally, the N is 2, and it is two that polarized light signal, which chooses the target polarization optical signal that module is chosen,.
Optionally, the communication data that described image and communication data acquisition module are got is binary sequence, polarised light
It includes first object polarized light signal and the second target polarization that signal, which chooses described two target polarization optical signals that module is chosen,
Optical signal；
Correspondingly, may include according to polarized light signal modulation module：First modulation submodule and the second modulation submodule；
Wherein：
First modulation submodule, is used in the case where the binary sequence includes binary one, by the first object
The objective attribute target attribute of polarized light signal increases preset adjusted value, and the objective attribute target attribute of the second target polarization optical signal is reduced
The adjusted value；
Second modulation submodule, is used in the case where the binary sequence includes Binary Zero, by the first object
The objective attribute target attribute of polarized light signal reduces the adjusted value, and the objective attribute target attribute of the second target polarization optical signal is increased institute
State adjusted value.
Optionally, the objective attribute target attribute is color or brightness.
With reference to Fig. 6, it illustrates the structures of image communicating device embodiment provided by the present application.The image communicating device is answered
Image receiving apparatus for being provided with polarized-light separation device.
As shown in fig. 6, the device includes：Target image acquisition module 601, single polarised light extraction module 602 and communication
Data extraction module 603；Wherein：
Target image acquisition module 601, the target image shown for acquiring image display；Wherein, the target
Include at least two modulating polarization optical signals in image, and the modulating polarization optical signal is that described image shows equipment according to logical
Letter data, after being modulated to the objective attribute target attribute of the polarized light signal of the original image got, the polarized light signal of generation；
Single polarised light extraction module 602 is extracted for controlling the polarized-light separation device in the target image
One modulating polarization optical signal；
Communication data extraction module 603 obtains institute for the objective attribute target attribute of the modulating polarization optical signal according to extraction
State communication data.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment weight
Point explanation is all difference from other examples, and the same or similar parts between the embodiments can be referred to each other.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including above-mentioned element.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the application.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can in other embodiments be realized in the case where not departing from spirit herein or range.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of image communicating method, which is characterized in that apply in image display, this method includes：
Obtain original image and communication data；Wherein, the original image by N number of original polarization optical signal set at N is more than or equal to
2；
In N number of original polarization optical signal of the original image, at least two target polarization optical signals are chosen；
According to the communication data, the objective attribute target attribute of at least two target polarizations optical signal is modulated respectively, is obtained
Modulating polarization optical signal；Wherein, the superposition value of the objective attribute target attribute of the modulating polarization optical signal, with the target polarization optical signal
Objective attribute target attribute superposition value it is identical；
Display by the original polarization optical signal set except the modulating polarization optical signal and the target polarization light at target figure
Picture.
2. image communicating method according to claim 1, which is characterized in that the N is 2, and the target chosen is inclined
The optical signal that shakes is two.
3. image communicating method according to claim 2, which is characterized in that the communication data is binary sequence, in advance
It is first provided with adjusted value, described two target polarization optical signals include first object polarized light signal and the second target polarization light letter
Number；
Correspondingly, according to the communication data, the objective attribute target attribute of two target polarization optical signals is modulated respectively, is obtained
Modulating polarization optical signal is obtained, including：
In the case where the binary sequence includes binary one, the objective attribute target attribute of the first object polarized light signal is increased
Add the adjusted value, and the objective attribute target attribute of the second target polarization optical signal is reduced into the adjusted value；
In the case where the binary sequence includes Binary Zero, the objective attribute target attribute of the first object polarized light signal is subtracted
The small adjusted value, and the objective attribute target attribute of the second target polarization optical signal is increased into the adjusted value.
4. image communicating method according to claim 1, which is characterized in that the objective attribute target attribute is color or brightness.
5. a kind of image communicating method, which is characterized in that, should applied to the image receiving apparatus for being provided with polarized-light separation device
Method includes：
The target image that acquisition image display is shown；Wherein, include at least two modulated polarized lights in the target image
Signal, and the modulating polarization optical signal is that described image shows equipment according to communication data, to the original image that gets
After the objective attribute target attribute of polarized light signal is modulated, the polarized light signal of generation；
It controls the polarized-light separation device and extracts a modulating polarization optical signal in the target image；
The objective attribute target attribute of the modulating polarization optical signal according to extraction, obtains the communication data.
6. a kind of image communicating device, which is characterized in that apply in image display, which includes：
Image and communication data acquisition module, for obtaining original image and communication data；Wherein, the original image is by N number of
Original polarization optical signal set is at N is more than or equal to 2；
Polarized light signal chooses module, in N number of original polarization optical signal of the original image, choosing at least two mesh
Mark polarized light signal；
Polarized light signal modulation module is used for according to the communication data, respectively at least two target polarizations optical signal
Objective attribute target attribute be modulated, obtain modulating polarization optical signal；Wherein, the superposition of the objective attribute target attribute of the modulating polarization optical signal
Value is identical as the superposition value of objective attribute target attribute of target polarization optical signal；
Modulation image display module, for showing by original inclined except the modulating polarization optical signal and the target polarization light
Optical signal set of shaking at target image.
7. image communicating device according to claim 6, which is characterized in that the N is 2, and polarized light signal chooses mould
The target polarization optical signal that block is chosen is two.
8. image communicating device according to claim 7, which is characterized in that described image and communication data acquisition module obtain
The communication data got is binary sequence, and polarized light signal chooses described two target polarization optical signals that module is chosen and includes
First object polarized light signal and the second target polarization optical signal；
Correspondingly, the polarized light signal modulation module includes：
First modulation submodule, in the case where the binary sequence includes binary one, the first object to be polarized
The objective attribute target attribute of optical signal increases preset adjusted value, and will be described in the reduction of the objective attribute target attribute of the second target polarization optical signal
Adjusted value；
Second modulation submodule, in the case where the binary sequence includes Binary Zero, the first object to be polarized
The objective attribute target attribute of optical signal reduces the adjusted value, and the objective attribute target attribute of the second target polarization optical signal is increased the tune
Whole value.
9. image communicating device according to claim 6, which is characterized in that the objective attribute target attribute is color or brightness.
10. a kind of image communicating device, which is characterized in that applied to the image receiving apparatus for being provided with polarized-light separation device,
The device includes：
Target image acquisition module, the target image shown for acquiring image display；Wherein, it is wrapped in the target image
Containing at least two modulating polarization optical signals, and the modulating polarization optical signal is that described image shows equipment foundation communication data,
After being modulated to the objective attribute target attribute of the polarized light signal of the original image got, the polarized light signal of generation；
Single polarised light extraction module extracts one in target image modulation for controlling the polarized-light separation device
Polarized light signal；
Communication data extraction module obtains the communication for the objective attribute target attribute of the modulating polarization optical signal according to extraction
Data.
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| CN1119482A (en) * | 1993-02-03 | 1996-03-27 | 尼托公司 | Methods and apparatus for image projection |
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Patent Citations (5)
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|---|---|---|---|---|
| CN1119482A (en) * | 1993-02-03 | 1996-03-27 | 尼托公司 | Methods and apparatus for image projection |
| CN1989716A (en) * | 2004-07-28 | 2007-06-27 | 松下电器产业株式会社 | Video display and video display system |
| CN1756131A (en) * | 2004-09-30 | 2006-04-05 | 安捷伦科技有限公司 | System and method for increasing data communication bandwidth in a light communication system |
| JP2012034062A (en) * | 2010-07-28 | 2012-02-16 | Tamagawa Gakuen | Cipher optical transmission apparatus and reception apparatus, cipher optical transmission method and receiving method, and cipher communication system |
| CN103607541A (en) * | 2013-12-02 | 2014-02-26 | 吴东辉 | Method and system for obtaining information by way of camera shooting, camera shooting device and information modulation device |
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