CN104486610B - display control method and device - Google Patents
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- CN104486610B CN104486610B CN201410795331.9A CN201410795331A CN104486610B CN 104486610 B CN104486610 B CN 104486610B CN 201410795331 A CN201410795331 A CN 201410795331A CN 104486610 B CN104486610 B CN 104486610B
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Abstract
The embodiment of the present application, which discloses, provides a kind of display control method and device, wherein, a kind of display control method includes：Key image corresponding with the encrypted image is determined according to the encrypted image shown through the first display device；Through the second display device on the encrypted image key image described in Overlapping display, so as to which corresponding with encrypted image decrypted image is presented on human eye eyeground through second display device.The application realizes encryption, the decryption display effect of image, thus meets the diversified practical application request of user by controlling encrypted image that different display devices are shown respectively and key image to be superimposed in space.
Description
Technical field
The application is related to display technology field, more particularly to a kind of display control method and device.
Background technology
With the continuous popularization of display device, the image transmission information shown using display device, turn into what people commonly used
Information communication means, brought great convenience to people's work and life.However, show in the information that image display technology is brought
The convenience shown and it is quick while, the diffusion of the information such as concerning security matters or privacy also turns into one of the problem of generally perplexing people.
The content of the invention
The brief overview on the application has been given below, so as to provide on the application it is some in terms of it is basic
Understand.It should be appreciated that this general introduction is not the exhaustive general introduction on the application.It is not intended to determine the pass of the application
Key or pith, nor intended limitation scope of the present application.Its purpose only provides some concepts in simplified form,
In this, as the preamble in greater detail discussed later.
The embodiment of the present application provides a kind of display control method and device.
On the one hand, the embodiment of the present application provides a kind of display control method, including：
Key image corresponding with the encrypted image is determined according to the encrypted image shown through the first display device；
Through the second display device on the encrypted image key image described in Overlapping display so that through described second display
Decrypted image corresponding with the encrypted image is presented on human eye eyeground in equipment.
On the other hand, the embodiment of the present application additionally provides a kind of display control unit, including：
One key image determining module, for being determined and the encryption according to the encrypted image shown through the first display device
Key image corresponding to image；
One decryption display control module, for through the second display device on the encrypted image key described in Overlapping display
Image, so as to which decrypted image corresponding with the encrypted image is presented on human eye eyeground through second display device.
The technical scheme that the embodiment of the present application provides, controls the encrypted image and institute that different display devices are shown respectively
State key image to be superimposed in space so that the imaging light of two sub-pictures is respectively through second display device on human eye eyeground
Convergence, display effect is hidden etc. with the display content supplement or display content that are formed after being superimposed by light, obtain a content with
The incomplete same decrypted image of encrypted image, so, the human eye of the people of image is watched by the second display device, passes through second
Display device is it is seen that the information that the encrypted image can not be presented when individually showing；Without passing through the second display device
Watch other people human eye of image, it is seen that be only the information that individually presents of the encrypted image, be achieved in image plus
Close, decryption display effect.
By below in conjunction with detailed description of the accompanying drawing to the alternative embodiment of the application, the these and other of the application
Advantage will be apparent from.
Brief description of the drawings
The application can be by reference to being better understood, wherein in institute below in association with the description given by accompanying drawing
Have and same or analogous reference has been used in accompanying drawing to represent same or similar part.The accompanying drawing is together with following
Describe in detail and include in this manual and formed the part of this specification together, and for this is further illustrated
The alternative embodiment of application and the principle and advantage for explaining the application.In the accompanying drawings：
Fig. 1 is a kind of display control method flow chart that the embodiment of the present application provides；
Fig. 2 is the light corresponding relation example that the viewing area for the encrypted image that the embodiment of the present application provides determines；
Fig. 3 is the encryption of the embodiment of the present application offer, decrypts the effect example of display image；
Fig. 4 is that a kind of light field that the embodiment of the present application provides shows light path example；
Fig. 5 a are the Application Scenarios-Example one for the light field image Overlapping display that the embodiment of the present application provides；
Fig. 5 b are the Application Scenarios-Example two for the light field image Overlapping display that the embodiment of the present application provides；
Fig. 6 is the logic diagram for the first display control unit that the embodiment of the present application provides；
Fig. 7 is the logic diagram for second of display control unit that the embodiment of the present application provides；
Fig. 8 is the logic diagram for the third display control unit that the embodiment of the present application provides；
Fig. 9 is the logic diagram for the 4th kind of display control unit that the embodiment of the present application provides.
It will be appreciated by those skilled in the art that element in accompanying drawing is just for the sake of showing for the sake of simple and clear,
And be not necessarily drawn to scale.For example, the size of some elements may be exaggerated relative to other elements in accompanying drawing, with
Just it is favorably improved the understanding to the embodiment of the present application.
Embodiment
The one exemplary embodiment of the application is described in detail hereinafter in connection with accompanying drawing.Rise for clarity and conciseness
See, do not describe all features of actual embodiment in the description.It should be understood, however, that developing any this reality
It must be made during embodiment much specific to the decision of embodiment, to realize the objectives of developer, example
Such as, those restrictive conditions related to system and business are met, and these restrictive conditions may be with embodiment not
Change together.In addition, it will also be appreciated that although development is likely to be extremely complex and time-consuming, to having benefited from
For those skilled in the art of present disclosure, this development is only routine task.
Herein, it is also necessary to explanation is a bit, in order to avoid having obscured the application because of unnecessary details, in accompanying drawing and
It merely depict in explanation with according to the closely related apparatus structure of the scheme of the application and/or processing step, and eliminating pair
With the application relation is little, expression and description of part known to persons of ordinary skill in the art and processing.
(identical label represents identical element in some accompanying drawings) and embodiment below in conjunction with the accompanying drawings, to the tool of the application
Body embodiment is described in further detail.Following examples are used to illustrate the application, but are not limited to scope of the present application.
It will be understood by those skilled in the art that the term such as " first ", " second " in the application be only used for distinguishing it is asynchronous
Suddenly, equipment or module etc., any particular technology implication is neither represented, does not also indicate that the inevitable logical order between them.
Fig. 1 is a kind of flow chart for display control method that the embodiment of the present application provides.The embodiment of the present application provides aobvious
The executive agent for showing control method can be a certain display control unit, and the display control unit can be shown in image, video etc.
During by perform the display control method carry out image display control.The equipment form of expression of the display control unit is not
Be restricted, such as the display control unit can be a certain independent part, the part respectively with least two display devices (such as
At least one first display device, at least one second display device etc.) match somebody with somebody hop communication；Or the display control unit can
It is integrated in as a certain functional module in a display device, the embodiment of the present application is not intended to limit to this.Specifically as shown in figure 1, originally
A kind of display control method that application embodiment provides includes：
Step S101：Key corresponding with the encrypted image is determined according to the encrypted image shown through the first display device
Image.
The image that first display device is shown is an encrypted image, and the encrypted image can be imaged on the first display device
On display screen, it can also be imaged on some imaging surface before or after the display screen of the first display device.
The encrypted image is to refer to its information presented in the case of corresponding secret key information is not bound with, with combination
The INFORMATION OF INCOMPLETE presented in the case of corresponding secret key information is identical, that is to say, that truly need the information that presents relatively and
Speech, the encrypted image is equivalent to ciphertext.The form of expression of the encrypted image and the key image is very flexible, and the two is equal
It can flexibly determine that the embodiment of the present application is not intended to limit to this using encryption, decipherment algorithm according to actual.For example, the encryption figure
Image as fuzzy or On Local Fuzzy can be integral, or, the encrypted image can be a picture rich in detail but the picture rich in detail
The information for being presented to user is not real information, etc..In practical application, it may be determined that key corresponding with the encrypted image
Image so that when encrypted image combination key image carries out figure shows, information combination, pixel fusion, color range aliasing can be passed through
The information that can not be presented when the encrypted image is individually shown is showed etc. means.
Step S102：Through the second display device on the encrypted image key image described in Overlapping display so that through institute
State the second display device and decrypted image corresponding with the encrypted image is presented on human eye eyeground.
The display content that the effect of the Overlapping display can be showed but is not limited to as final human eye eyeground is presented adds relatively
Increase, reduction, replacement or deformation of close picture material etc. are one or more to be changed.In practical application, human eye can be aobvious by second
Show that equipment watches image.In order to obtain decrypted image, described second can be accordingly adjusted according to the viewing area of the encrypted image
The viewing area of display device so that the key image is after second display device is shown in the aobvious of the encrypted image
Show Overlapping display on region, i.e., the encrypted image and the key image that different display devices are shown respectively are folded in space
Add, the imaging light of two sub-pictures converges through second display device on human eye eyeground respectively, is formed after being superimposed by light
Display content supplement or display content hide etc. display effect, thus obtain a content and the incomplete same solution of encrypted image
Close image, optional example is as shown in figure 3, so, by the human eye of the people of the second display device viewing image, pass through the second display
Equipment is it is seen that the information that the encrypted image can not be presented when individually showing；Without being watched by the second display device
Other people human eye of image, it is seen that the encryption, the solution that are only the information that individually presents of the encrypted image, are achieved in image
Close display effect.
Present inventor has found that user can be present to figure in some cases during the embodiment of the present application is put into practice
As the application demand of encryption, decryption display etc., for example, on the one hand user is wished by the way of public display device display image
To improve the scope and convenience of information propagation, on the other hand the information such as the concerning security matters in image shown by hope or privacy is only right again
Particular person opens, rather than is propagated or seen by other people outside particular person, etc. on a large scale.And the application is used to implement
The technical scheme that example provides, it is allowed to which the particular person for obtaining the information such as the concerning security matters or privacy can be by the second display device viewing figure
As obtaining decrypted image, and thus tied for unspecified person While it can be seen that encrypted image but decrypted image can not be obtained
Image information communications and concerning security matters/privacy information protection technology are closed to meet the practical application request of user.
In the technical scheme that the embodiment of the present application provides, optionally, through second display device in the encrypted image
The upper display key image, including：The encryption imaging area of the encrypted image is determined, the encryption imaging area is the encryption
Image it is at least local；Obtain position and the area size of the encryption imaging area；Second display device is controlled described
The key image that position superposition alignment display matches with the area size.For example, display of the source contents through display device
Some transversal plane of the display light of screen in paths direction can form the picture of an amplification, as shown in Fig. 2 the picture of the amplification
As described encrypted image, the information such as the position of the viewing area of the encrypted image and size can close according to light geometry is corresponding
System determines.The program can flexibly determine the partial display area of the encrypted image or overall viewing area is encryption imaging area,
The key information of imaging area Overlapping display adaptation is being encrypted, to realize that the decryption of encrypted image is shown, as shown in Figure 3.
Specifically, the encrypted image can integrally be embedded in certain encryption information or certain solution secret letter to be superimposed
Cease, under the situation, it may be determined that the overall viewing area of the encrypted image is the encryption imaging area；Or the encryption figure
As can the only certain encryption information of locally embedding or certain solution confidential information to be superimposed, under the situation, it may be determined that the encryption
The above-mentioned partial display area of image is encryption imaging area.The determination of the encryption imaging area can be true in advance according to certain rule
Fixed, the eighth image section in the upper right corner of encrypted image as described in determining encrypts imaging area etc. for as described in, or, it is described to add
Close imaging area can be aligned etc. by the second display device mark easy to identify.It can be existed by adjusting second display device
The key imaging area of the imaging surface of the encrypted image, so that the position alignment of the key imaging area and the encryption imaging area
And matched with the area size of the encryption imaging area；Shown through second display device in the key imaging area described close
Key image, thus it is easy to encrypt the accurate alignment of imaging area and key imaging area, improves the success rate that image decryption is shown.
Further, the key imaging area of imaging surface of second display device in the encrypted image is adjusted, including：
By the position of movement second display device and/or the optical projection parameter of change second display device to adjust
State key imaging area.The position of the viewing area of display device in space and size, position and light with the display device
The relating to parameters such as projection distance are learned, by adjusting one or more factors of above-mentioned influence viewing area spatial distribution to obtain
The viewing area needed, scheme are simply easily realized.
Optionally, the display control method also includes：Set in response to first display device and second display
One of standby display device movement, the corresponding movement of another display device is controlled to ensure that the two relative position information is constant.
After the decrypted image is obtained on human eye eyeground by the Overlapping display of encrypted image and decrypted image, first display
The relative position information of equipment and second display device need to keep fixed, so that the decrypted image is on human eye eyeground
Clear, stable display.When any display device movement in two display devices, another display device also occurs accordingly to move
It is dynamic, thus keep and this relative position information is constant.The program enters Mobile state tracking equivalent to the motion to a display device,
And adjusted accordingly according to motion of the relative position information to another display device, thereby guarantee that first viewing area
It is constant with the relative position of second viewing area, be advantageous to improve the stability of image display effect.
In the embodiment of the present application, display device is the equipment with image display function, it may include but be not limited to display screen,
Projection display apparatus, 3D display equipment, light field display device etc..In actual application, first display device and institute
It can be same type of display device to state the second display device, and such as described first display device and second display device are
Projection display apparatus is light field display device etc.；Or first display device and second display device can be
Different types of display device, such as described first display device are conventional display apparatus or projection display apparatus, and described second
Display device is light field display device etc..System buildup is very flexible, can meet diversified practical application request.
Different from traditional display device, light field display device may be provided with a lenslet arrays at neighbouring display screen,
As shown in figure 4, the lenslet arrays are alternatively referred to as microlens array, including multiple array distributions sub-lens (or to be micro-
Lens), the light from display screen changes the direction of propagation, the direction of propagation through at least one sub-lens in the lenslet arrays
Eyes (similar lens) of the light through user after change are converged to be imaged on the retina of user.Display screen includes multiple aobvious
Show region, include multiple display pixels in a viewing area and a viewing area is corresponding with a sub-lens, that is to say, that in light field
It is that one-to-many corresponding relation is presented in display device, between lenslet arrays and the display pixel of display screen, display can be passed through
Shield the information that multiple display pixels show the same local different visual angles of image to be displayed, thus can realize that light field image is abundant and show
Show characteristic.Such as realize that the light field image space overlapping of display shows to realize the encryption of image, decrypt using light field display device,
Flexible display characteristic of the light field image in certain weight focusing range can be played to meet the diversified practical application request of user.
This might as well be further illustrated so that the first display device and the second display device are light field display device as an example below
Apply for the technical scheme of embodiment.In application scenarios as shown in figure 5 a and 5b, first display device is that main light field shows
Show equipment, second display device is nearly eye field display device, for showing the light of light field image through the nearly eye
Field display device pools picture on human eye eyeground, wherein, Fig. 5 a correspond to the content combination display of encrypted image and key image
Optional example, Fig. 5 b correspond to the optional example of encrypted image and the content Overlapping display of key image.If show without light field
Show the lenslet arrays of equipment and direct viewing image, it is seen that image it is usual and unintelligible.If through the lenslet arrays
Image is watched, the possibility watched is the heavy focus image in a certain depth of field distribution in space.That is, light field image has one
Fixed heavy focusing range, the different depth of field may correspond to different heavy focus images in the heavy focusing range, if through sub-lens
Array is watched, then every width weight focus image is generally all a secondary clearly 2D images.The nearly eye field display device may include
But it is not limited to have an X-rayed (See-through) light field display intelligent glasses, the perspective light field shows that intelligent glasses include sub-lens
Array and perspective display screen, it is described perspective display screen can generally have an X-rayed display screen, can also regional area for perspective show
Screen, the region as corresponding to user's visual line of sight are perspective display screen.User can be through intelligent glasses lenslet arrays and perspective it is aobvious
Display screen sees key image, in addition, lenslet arrays and display screen that user can also be through key light field display device see encryption figure
The imaging light of picture, key image and encrypted image converges on user eyeground, forms a decrypted image, is achieved in encrypted image
Decryption show.
In actual applications, can obtain light field image corresponding to the encrypted image in advance (might as well be referred to as encryption light field figure
Picture).The encryption light field image has certain heavy focusing range, can obtain the encryption light field image in the heavy focusing range
Difference weight focusings (corresponding different the depth of field) respectively corresponding to each heavy focusing encrypted images, it is each heavy right corresponding to difference weight focusings
Smaller or larger difference may be present in burnt encrypted image, and specific difference degree and content source and light field image acquisition mode etc. are relevant.
Therefore, the embodiment of the present application is using encrypting heavy focus feature of the light field image on depth of field direction, to be different focusing again plus
Close image specific aim determines respective key image, for example, the encrypted image is focused the depth of field for encryption light field image one again
On focusing encrypted image again；Determined and the encrypted image according to the encrypted image shown through first display device
The corresponding key image, including：Obtain the depth of field of being focused again corresponding to the heavy focusing encrypted image；According to acquisition
The focusing depth of field determines the key image again.The encryption light field image has certain heavy focusing range, in the heavy focusing model
There are some weight focusings of discrete distribution in enclosing, a heavy focusing corresponding one is focused encrypted image again, corresponding is closed according to this
System, can obtain the depth of field of being focused again corresponding to the encrypted image of focusing again that key light field display device is currently shown, and determine with
Key image corresponding to the heavy focusing depth of field.The program can increase the depth of field on the basis of traditional 2D image encryptions, decryption display
Encryption, the decryption display of dimension.
The determination mode of the key image is very flexible.
For example, can be according to the mapping relations focused between the depth of field and key image again, it is determined that the heavy focusing with acquisition
Key image corresponding to depth of view information.In the case of second display device is nearly eye field display device, tune can be passed through
The position of whole nearly eye field display device and/or the image space of weight focus image etc., the key image of determination is superimposed
The respective encrypted imaging area of encrypted image is shown in, the key image is determined using the program, scheme is simply easily realized.
In another example light field image corresponding to the key image (key light field image might as well be referred to as), institute can be obtained in advance
State key light field image and the respective heavy focusing range of encryption light field figure is at least partly identical, to ensure that the two is at least local
One it is identical or as close possible to the focusing depth of field again.That is, the encrypted image and the key image are described respectively
The heavy focus image of light field image and the current depth of field alignment of the key light field image is encrypted, i.e., described key image is that light field is close
Again focusing key image of the key image in the depth of field of focusing again of the encryption light field image, so, when the depth of field is alignd or to the greatest extent may be used
The encrypted image of focusing again and key image of focusing again that can be alignd are shown in space overlapping, can be seen through the near-eye display device
See that the eyeground of the user of image forms a decrypted image.Determine it is described it is heavy focusing key image after, can by but it is unlimited
In the position of the movement nearly eye field display device and/or the optical projection parameter for changing the nearly eye field display device etc.
Technological means, to adjust the key imaging area of the heavy focusing key image, to realize the heavy focusing key image and described
The alignment Overlapping display of focusing encrypted image in space again.The program improves the security of decryption display.
If the position of a certain light field display device changes, such as the nearly eye field display device hair of the wearing of human eye
Raw position change etc., then the position of another light field display device can be accordingly adjusted, to cause the relative position information of the two to keep
It is constant, it is achieved in the stability of image decryption display effect.In addition, it can also be realized by changing the focusing imaging plane
The decryption of the heavy focus image of the different depth of field is shown, shows the display characteristic of relatively conventional Display Technique more horn of plenty.
It will be understood by those skilled in the art that in any of the above-described method of the application embodiment, each step
Sequence number size is not meant to the priority of execution sequence, and the execution sequence of each step should be determined with its function and internal logic, and
Any restriction should not be formed to the implementation process of the application embodiment.
Fig. 6 is a kind of logic diagram for display control unit that the embodiment of the present application provides.As shown in fig. 6, the application is real
Applying a kind of display control unit of example offer includes：One key image determining module 61 and a decryption display control module 62.
Key image determining module 61 is used to be determined and the encryption according to the encrypted image shown through the first display device
Key image corresponding to image.
Decrypt display control module 62 be used for through the second display device on the encrypted image key described in Overlapping display
Image, so as to which decrypted image corresponding with the encrypted image is presented on human eye eyeground through second display device.
The technical scheme that the embodiment of the present application provides, controls the encrypted image and institute that different display devices are shown respectively
State key image to be superimposed in space so that the imaging light of two sub-pictures is respectively through second display device on human eye eyeground
Convergence, display effect is hidden etc. with the display content supplement or display content that are formed after being superimposed by light, obtain a content with
The incomplete same decrypted image of encrypted image, so, the human eye of the people of image is watched by the second display device, passes through second
Display device is it is seen that the information that the encrypted image can not be presented when individually showing；Without passing through the second display device
Watch other people human eye of image, it is seen that be only the information that individually presents of the encrypted image, be achieved in image plus
Close, decryption display effect.
The display control unit that the embodiment of the present application provides can be during the display such as image, video by performing the display
Control method carries out image display control.The equipment form of expression of the display control unit is unrestricted, such as the display
Control device can be a certain independent part, and (such as at least one first display is set the part with least two display devices respectively
Standby, at least one second display device etc.) match somebody with somebody hop communication；Or the display control unit can be used as a certain functional module collection
In Cheng Yi display devices, the embodiment of the present application is not intended to limit to this.
Optionally, as shown in fig. 7, the decryption display control module 62 includes：One encryption imaging area determination sub-module
621st, an encryption imaging area acquisition of information submodule 622 and one decrypts display control submodule 623.Encryption imaging area determines submodule
Block 621 is used for the encryption imaging area for determining the encrypted image, and the encryption imaging area is at least local of the encrypted image；
Encryption imaging area acquisition of information submodule 622 is used for position and the area size for obtaining the encryption imaging area；Decryption display control
System module 623 is used to control second display device to be superimposed what alignment display matched with the area size in the position
The key image.The program can flexibly determine that the partial display area of the encrypted image or overall viewing area are to be encrypted to
As area, the key information of imaging area Overlapping display adaptation is being encrypted, to realize that the decryption of encrypted image is shown.
Optionally, the decryption display control submodule 623 includes：One key imaging area adjustment unit 6231 and a key
Image-display units 6232.Key imaging area adjustment unit 6231 is used to adjust second display device in the encrypted image
Imaging surface key imaging area so that the key imaging area with it is described encryption imaging area position alignment and with the encryption
The area size matching of imaging area；Key image display unit 6232 is used to be imaged in the key through second display device
Area shows the key image.The program is easy to encrypt the accurate alignment of imaging area and key imaging area, improves image decryption and shows
The success rate shown.
Optionally, key imaging area adjustment unit 6231 includes：One key imaging area adjusts subelement 62311.It is close
Key imaging area adjustment subelement 62311 is used for aobvious by the position of mobile second display device and/or change described second
Show the optical projection parameter of equipment to adjust the key imaging area.The program is simply easily realized.
Optionally, as shown in figure 8, the display control unit also includes：One Dynamic control module 63.Dynamic control module
63 are used to move in response to one of first display device and second display device display device, and control is another
Display device is accordingly moved to ensure that the two relative position information is constant.The program is by ensureing first viewing area and described
The relative position of second viewing area is constant, improves the stability of image display effect.
In the embodiment of the present application, display device is the equipment with image display function, it may include but be not limited to display screen,
Projection display apparatus, 3D display equipment, light field display device etc..In actual application, first display device and institute
It can be same type of display device to state the second display device, and such as described first display device and second display device are
Projection display apparatus is light field display device etc.；Or first display device and second display device can be
Different types of display device, such as described first display device are conventional display apparatus or projection display apparatus, and described second
Display device is light field display device etc..System buildup is very flexible, can meet diversified practical application request.It is optional
, first display device is main light field display device, and/or, second display device is nearly eye field display device.
The light field image space overlapping for realizing display using light field display device shows to realize the encryption of image, decrypt, and can play light
Field picture meets the diversified practical application request of user in certain flexible display characteristic in focusing range again.
Optionally, the encrypted image is encryption light field image at a focusing encrypted image again focused in the depth of field again；Institute
Stating key image determining module 61 includes：One focuses depth of field determination sub-module 611 and a key image determination sub-module 612 again.
Depth of field determination sub-module 611 of focusing again is used to obtain the depth of field of focusing again corresponding to the encrypted image；Key image determines submodule
Block 612 is used to determine the key image according to the heavy focusing depth of field of acquisition.The program can be in traditional 2D image encryptions, solution
On the basis of close display, increase encryption, the decryption display of depth of field dimension.
Optionally, the key image determination sub-module 612 includes：One first key image determination unit 6121.First
Key image determining unit 6121 is used for according to the mapping relations focused between the depth of field and key image again, it is determined that the institute with acquisition
State key image corresponding to depth of view information of focusing again.The key image is determined using the program, scheme is simply easily realized.
Optionally, the key image determination sub-module 612 includes：One second key image determining unit 6122.Second
Key image determining unit 6122 is used to determine that again focusing key image of the light field key image in the heavy focusing depth of field is
The key image.The program improves the security of decryption display.
The logic diagram for the 4th kind of display control unit that Fig. 9 provides for the embodiment of the present application, the application specific embodiment
The specific implementation of display control unit 900 is not limited.As shown in figure 9, display control unit 900 can include：
Processor (Processor) 910, communication interface (Communications Interface) 920, memory
(Memory) 930 and communication bus 940.Wherein：
Processor 910, communication interface 920 and memory 930 complete mutual communication by communication bus 940.
Communication interface 920, for such as having the equipment of communication function, external light source etc. to communicate.
Processor 910, for configuration processor 932, it can specifically perform any of the above-described optical field acquisition control method embodiment
In correlation step.
For example, program 932 can include program code, described program code includes computer-managed instruction.
Processor 910 is probably a central processing unit (Central Processing Unit, abbreviation CPU), either
Specific integrated circuit (Application Specific Integrated Circuit, abbreviation ASIC), or be arranged to
Implement one or more integrated circuits of the embodiment of the present application.
Memory 930, for depositing program 932.Memory 930 may include random access memory (Random
Access Memory, abbreviation RAM), it is also possible to also including nonvolatile memory (Non-volatile memory), such as extremely
A few magnetic disk storage.
For example, in a kind of optional implementation, processor 910 can perform following steps by configuration processor 932：Root
Key image corresponding with the encrypted image is determined according to the encrypted image shown through the first display device；Through the second display device
The key image described in Overlapping display on the encrypted image, so that through second display device in the presentation of human eye eyeground and institute
State decrypted image corresponding to encrypted image.
In other optional implementations, processor 910 can also carry out other above-mentioned any realities by configuration processor 932
The step of example refers to is applied, will not be repeated here.
In program 932 specific implementation of each step may refer to corresponding steps in above-described embodiment, module, submodule,
Corresponding description, will not be repeated here in unit.It is apparent to those skilled in the art that the convenience for description
With it is succinct, the equipment of foregoing description and the specific work process of module, may be referred to the corresponding process in preceding method embodiment
Description, will not be repeated here.
In the application the various embodiments described above, the sequence number and/or sequencing of embodiment are merely convenient of description, do not represent reality
Apply the quality of example.Description to each embodiment all emphasizes particularly on different fields, and does not have the part being described in detail in some embodiment, may refer to it
The associated description of his embodiment.The associated description of implementation principle or process about device, equipment or system embodiment, reference can be made to
The record of correlation method embodiment, will not be repeated here.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and method and step, it can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, application-specific and design constraint depending on technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
Scope of the present application.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, the technical scheme of the application is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform each embodiment methods described of the application all or part of step.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-Only Memory, abbreviation ROM), deposit at random
Access to memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various can be with Jie of store program codes
Matter.
In the embodiments such as the device of the application, method, system, it is clear that each part (system, subsystem, module, submodule
Block, unit, subelement etc.) or each step can decompose, combine and/or decompose after reconfigure.These decompose and/or again
Combination nova should be regarded as the equivalents of the application.Meanwhile in the description to the application specific embodiment above, for a kind of real
The feature that the mode of applying is described and/or shown can be made in a manner of same or similar in one or more other embodiments
With, it is combined with the feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, key element, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more further features, key element, step or component.
Finally it should be noted that：Embodiment of above is merely to illustrate the application, and is not the limitation to the application, relevant
The those of ordinary skill of technical field, in the case where not departing from spirit and scope, it can also make a variety of changes
And modification, therefore all equivalent technical schemes fall within the category of the application, the scope of patent protection of the application should be by right
It is required that limit.
Claims (16)
- A kind of 1. display control method, it is characterised in that including：Key image corresponding with the encrypted image is determined according to the encrypted image shown through the first display device；Through the second display device on the encrypted image key image described in Overlapping display so that through second display device Decrypted image corresponding with the encrypted image is presented on human eye eyeground, second display device shows for nearly eye field and set It is standby；Wherein, the key image is shown on the encrypted image through second display device, including：The encryption imaging area of the encrypted image is determined, the encryption imaging area is at least local of the encrypted image；Obtain position and the area size of the encryption imaging area；Second display device is controlled to be superimposed the key graph that alignment display matches with the area size in the position Picture.
- 2. according to the method for claim 1, it is characterised in that control second display device is in position superposition pair The key image that quasi- display matches with the area size, including：The key imaging area of imaging surface of second display device in the encrypted image is adjusted, so that the key imaging area Matched with the position alignment for encrypting imaging area and with the area size of the encryption imaging area；Through second display device key image is shown in the key imaging area.
- 3. according to the method for claim 2, it is characterised in that adjustment second display device is in the encrypted image The key imaging area of imaging surface, including：Adjusted by the position of movement second display device and/or the optical projection parameter of change second display device The whole key imaging area.
- 4. according to any described methods of claim 1-3, it is characterised in that first display device shows for main light field and set It is standby.
- 5. according to the method for claim 4, it is characterised in thatThe encrypted image is encryption light field image at a focusing encrypted image again focused in the depth of field again；The key corresponding with the encrypted image is determined according to the encrypted image shown through first display device Image, including：Obtain the depth of field of being focused again corresponding to the heavy focusing encrypted image；Determined according to the heavy focusing depth of field of acquisition The key image.
- 6. according to the method for claim 5, it is characterised in that the key image is determined according to the heavy focusing depth of field, Including：According to the mapping relations focused between the depth of field and key image again, it is determined that corresponding with the heavy focusing depth of view information of acquisition Key image.
- 7. according to the method for claim 5, it is characterised in that the key image is light field key image described heavy right Focusing key image again in the burnt depth of field.
- 8. according to any described method of claim 1-3,5-7, it is characterised in that also include：In response to the described first display One of equipment and second display device display device move, and control the corresponding movement of another display device to ensure two Person's relative position information is constant.
- A kind of 9. display control unit, it is characterised in that including：One key image determining module, for being determined and the encrypted image according to the encrypted image shown through the first display device Corresponding key image；One decryption display control module, for through the second display device on the encrypted image key graph described in Overlapping display Picture, so as to it is presented corresponding with encrypted image decrypted image on human eye eyeground through second display device, described second Display device is nearly eye field display device；Wherein, the decryption display control module includes：One encryption imaging area determination sub-module, for determining the encryption imaging area of the encrypted image, the encryption imaging area is The encrypted image it is at least local；One encryption imaging area acquisition of information submodule, for obtaining position and the area size of the encryption imaging area；One decryption display control submodule, for control second display device the position be superimposed alignment display with it is described The key image of area size matching.
- 10. device according to claim 9, it is characterised in that the decryption display control submodule includes：One key imaging area adjustment unit, for adjusting the key of imaging surface of second display device in the encrypted image Imaging area, so that the key imaging area is with the position alignment for encrypting imaging area and big with the region of the encryption imaging area Small matching；One key image display unit, for showing the key graph in the key imaging area through second display device Picture.
- 11. device according to claim 10, it is characterised in that key imaging area adjustment unit includes：One key imaging area adjusts subelement, for the position by movement second display device and/or changes described the The optical projection parameter of two display devices adjusts the key imaging area.
- 12. according to any described devices of claim 9-11, it is characterised in that first display device is that main light field is shown Equipment.
- 13. device according to claim 12, it is characterised in thatThe encrypted image is encryption light field image at a focusing encrypted image again focused in the depth of field again；The key image determining module includes：One focuses depth of field determination sub-module again, is focused again the depth of field corresponding to the heavy focusing encrypted image for obtaining；One key image determination sub-module, the key image is determined for the heavy focusing depth of field according to acquisition.
- 14. device according to claim 13, it is characterised in that the key image determination sub-module includes：One first key image determination unit, for according to the mapping relations focused between the depth of field and key image again, it is determined that with Key image corresponding to the heavy focusing depth of view information obtained.
- 15. device according to claim 13, it is characterised in that the key image determination sub-module includes：One second key image determining unit, for determining again focusing key of the light field key image in the heavy focusing depth of field Image is the key image.
- 16. according to any described device of claim 9-11,13-15, it is characterised in that also include：One Dynamic control module, for being shown in response to one of first display device and second display device Equipment moves, and controls the corresponding movement of another display device to ensure that the two relative position information is constant.
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| CN106162153B (en) * | 2015-04-03 | 2018-10-26 | 北京智谷睿拓技术服务有限公司 | display control method and device |
| CN108366196B (en) * | 2018-01-25 | 2020-09-01 | 西安中科创达软件有限公司 | Method for protecting picture privacy |
| CN108564368B (en) * | 2018-04-11 | 2021-12-03 | 台州市康新电容器有限公司 | Payment method |
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