CN107809652B - Implicit information transmission method, device and system - Google Patents
Implicit information transmission method, device and system Download PDFInfo
- Publication number
- CN107809652B CN107809652B CN201610764369.9A CN201610764369A CN107809652B CN 107809652 B CN107809652 B CN 107809652B CN 201610764369 A CN201610764369 A CN 201610764369A CN 107809652 B CN107809652 B CN 107809652B
- Authority
- CN
- China
- Prior art keywords
- image
- information
- transmitted
- parameters
- modulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41415—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance involving a public display, viewable by several users in a public space outside their home, e.g. movie theatre, information kiosk
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/816—Monomedia components thereof involving special video data, e.g 3D video
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N2013/0074—Stereoscopic image analysis
Abstract
The application discloses an implicit information transmission method, device and system, wherein a first image and a second image embedded with information to be transmitted are obtained by respectively processing two same carrier images according to the information to be transmitted, and the first image and the second image are displayed through a 3D (three-dimensional) playing module, so that the played first image and the played second image are overlapped on the visual effect; acquiring the first image and the second image which are overlapped together in visual effect through an imaging device, and extracting the information to be transmitted according to the first image and/or the second image; according to the method, the carrier image is subjected to 3D mode conversion and embedded with the information to be transmitted according to the characteristic of image redundancy in a 3D play mode, so that the embedded information to be transmitted can be prevented from being observed by naked eyes of a user, the method is also suitable for any display equipment with the 3D play mode, and the popularization and application of implicit information transmission are facilitated.
Description
Technical Field
The present application belongs to the field of communications technologies, and in particular, to a method, an apparatus, and a system for implicit information transmission.
Background
In such an information explosion age, people are constantly forced to accept various picture or video advertisements from various display devices, for example, electronic billboards composed of LCDs or LEDs in various corners of a city, or mobile media devices in subway buses, and the like. Information related to details of goods, purchase links, prices, etc. related to the advertisement content is often displayed during the advertisement broadcasting process.
For most users, besides occasionally enjoying visual and auditory impact brought by the advertisement, there is not much interest in the information related to the details of the product displayed with the advertisement, purchase links, price, etc., and the display of the related information seriously affects the visual experience of the user watching the advertisement. However, for the merchants with commercial promotion needs, it is difficult to realize effective commercial promotion without relying on advertisement bombing to propagate relevant information. In order to solve the contradiction, in recent years, implicit information transmission is gradually popular, an implicit information service system is used for replacing visual related information introduction, and the problem of poor user visual experience caused by the fact that related information such as commodity details, purchase links and prices are played along with advertisements can be solved on the premise that the propaganda effect of corresponding products is guaranteed.
A common implicit information transmission method includes: the method comprises the steps of processing a single-frame image of an advertisement picture or a video, embedding information to be transmitted into the single-frame image, enabling a user to visually not observe the information to be transmitted embedded in the advertisement picture or the video by changing the sending rate of the single-frame image embedded with the information to be transmitted, obtaining a carrier image embedded with the information to be transmitted in the advertisement picture or the video in a mobile phone photographing mode if the user is interested in advertisement content, and processing and analyzing the obtained carrier image embedded with the information to be transmitted to obtain implicit information such as commodity details, purchase links, prices and the like embedded in the carrier image.
The inventor finds that in the existing method for realizing the implicit information transmission through visible light communication, in order to avoid that a user observes the embedded information to be transmitted by naked eyes, the playing speed of a single-frame image of a picture or a video needs to be changed, the picture or the video is often not suitable for the display standard of the picture or the video of a common display device, and the picture or the video cannot be played, so that the implicit information transmission is limited in popularization and application.
Disclosure of Invention
In view of this, the technical problem to be solved by the present application is to provide a method, an apparatus and a system for implicit information transmission, so as to solve the problem that implicit information transmission is limited in popularization and application due to the fact that an image or video parameter embedded with information to be transmitted does not meet a standard and cannot be played.
In order to solve the above technical problem, the present application discloses an implicit information transmission method, which is executed at a display device side, where the display device has a 3D playing module, and the implicit information transmission method includes:
carrying out 3D mode conversion on the carrier images to obtain two same carrier images;
respectively processing the two same carrier images according to information to be transmitted to obtain a first image and a second image embedded with the information to be transmitted;
and displaying the first image and the second image through the 3D playing module so that a receiving end receives the first image and the second image which are overlapped together in visual effect, and extracting the information to be transmitted according to the first image and/or the second image.
The application also discloses another implicit information transmission method, which is executed at the imaging equipment end and comprises the following steps:
acquiring a first image and a second image which are displayed by a display device and overlapped in visual effect;
separating the first image and/or the second image;
extracting hidden information to be transmitted according to the separated first image and/or second image;
the first image and the second image are obtained by converting the carrier images in a 3D mode through the display equipment, the two same carrier images are obtained, the two same carrier images are processed respectively according to information to be transmitted, and the first image and the second image are displayed through the 3D playing module.
The application also discloses implicit expression information transmission device is located the display device end, the display device has the 3D broadcast module, includes:
the copying module is used for carrying out 3D mode conversion on the carrier images to obtain two same carrier images;
the embedding module is used for respectively processing the two same carrier images according to information to be transmitted to obtain a first image and a second image embedded with the information to be transmitted;
and the sending module is used for displaying the first image and the second image through the 3D playing module so as to enable a receiving end to receive the first image and the second image which are overlapped together in visual effect, and extracting the information to be transmitted according to the first image and/or the second image.
The application also discloses another implicit information transmission device, located at the receiving end, including:
the receiving module is used for acquiring a first image and a second image which are displayed by the display device and overlapped in visual effect;
the separation module is used for separating the first image and/or the second image;
the extraction module is used for extracting hidden information to be transmitted according to the separated first image and/or second image;
the first image and the second image are obtained by converting the carrier images in a 3D mode through the display equipment, the two same carrier images are obtained, the two same carrier images are processed respectively according to information to be transmitted, and the first image and the second image are displayed through the 3D playing module.
The application discloses implicit information transmission system, including display device and imaging device, display device includes the above-mentioned implicit information transmission device who is located the display device end, imaging device includes the above-mentioned implicit information transmission device who is located the imaging device end.
Compared with the prior art, the application can obtain the following technical effects:
respectively processing the same two carrier images according to information to be transmitted to obtain a first image and a second image embedded with the information to be transmitted, and displaying the first image and the second image through a 3D (three-dimensional) playing module so as to enable the played first image and the played second image to be overlapped together in visual effect; acquiring the first image and the second image which are overlapped together in visual effect through an imaging device, and extracting the information to be transmitted according to the first image and/or the second image; according to the method, the carrier image is subjected to 3D mode conversion and embedded with the information to be transmitted according to the characteristic of image redundancy in a 3D play mode, so that the embedded information to be transmitted can be prevented from being observed by naked eyes of a user, the method is also suitable for any display equipment with the 3D play mode, and the popularization and application of implicit information transmission are facilitated.
Of course, it is not necessary for any one product to achieve all of the above-described technical effects simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a flowchart of an implicit information transmission method according to an embodiment of the present invention;
fig. 2 is a flowchart of another implicit information transmission method according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an implicit information transmission method according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an implicit information transmission apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an implicit information transmission apparatus according to an embodiment of the present invention.
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include non-transitory computer readable media (transient media), such as modulated data signals and carrier waves.
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. Furthermore, the term "coupled" is intended to encompass any direct or indirect electrical coupling. Thus, if a first device couples to a second device, that connection may be through a direct electrical coupling or through an indirect electrical coupling via other devices and couplings. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
Example 1
Fig. 1 is a flowchart of an implicit information transmission method according to an embodiment of the present invention, where the method is executed at a display device, and the display device has a 3D playing module, as shown in fig. 1, the method includes:
step 101: carrying out 3D mode conversion on the carrier images to obtain two same carrier images;
specifically, the display device may include a television, a computer, an electronic billboard, a mobile media device, etc. having a 3D play mode;
specifically, the 3D mode conversion of the carrier image includes copying the carrier image to obtain two identical carrier images (corresponding to the left-eye image and the right-eye image in the 3D mode being identical).
The carrier image may include a single-frame or multi-frame image constituting a picture or a video, which is not limited in the present invention;
step 102: respectively processing the two same carrier images according to information to be transmitted to obtain a first image and a second image embedded with the information to be transmitted;
specifically, the information to be transmitted may be set as required, and may include, for example, information such as details of a commodity, a purchase link, and a price related to the carrier image;
specifically, the same two carrier images are processed by image processing methods such as RGB modulation, high-order modulation, and brightness modulation, and the specific processing steps include: determining modulation coordinates and corresponding modulation parameters of the two same carrier images according to the information to be transmitted; and respectively processing the two same carrier images according to the modulation coordinates and the corresponding modulation parameters to obtain a first image and a second image embedded with the information to be transmitted.
Step 103: and displaying the first image and the second image through the 3D playing module so that a receiving end receives the first image and the second image which are overlapped together in visual effect, and extracting the information to be transmitted according to the first image and/or the second image.
Specifically, the 3D playing module is a playing component used by a display device to display a 3D mode picture or video;
specifically, a first image is displayed by the 3D playing module according to a first display parameter, a second image is displayed by the 3D playing module according to a second display parameter, the first image and the second image are overlapped in visual effect, and the visual effect of the image actually seen by a user is equivalent to that of the carrier image;
after the imaging device acquires the first image and the second image which are overlapped together in visual effect, the first image and/or the second image can be separated according to the difference between the first display parameter and the second display parameter, and the information to be transmitted is extracted according to the separated first image and/or second image.
According to the implicit information transmission method provided by the embodiment of the invention, the same two carrier images are respectively processed according to the information to be transmitted to obtain the first image and the second image embedded with the information to be transmitted, and the first image and the second image are displayed through the 3D playing module, so that the played first image and the played second image are overlapped on the visual effect, the transmission rate of the carrier images does not need to be adjusted, and the condition that a user observes the embedded information to be transmitted by naked eyes can be avoided; receiving the first image and the second image which are overlapped together in visual effect by an imaging device through a receiving end, and extracting the information to be transmitted according to the first image and/or the second image; according to the method, the carrier image is subjected to 3D mode conversion and embedded with the information to be transmitted according to the characteristic of image redundancy in a 3D play mode, so that the embedded information to be transmitted can be prevented from being observed by naked eyes of a user, the method is also suitable for any display equipment with the 3D play mode, and the popularization and application of implicit information transmission are facilitated.
Specifically, the processing the two same carrier images according to the information to be transmitted includes:
determining modulation coordinates and corresponding modulation parameters of the two same carrier images according to the information to be transmitted, wherein the superposition value of the modulation parameters of the two same carrier images under the same modulation coordinates is zero; and respectively processing the two same carrier images according to the modulation coordinates and the corresponding modulation parameters.
In particular, the modulation parameter may comprise a brightness parameter, a color parameter or other visible light signal based modulation parameter;
for example, assuming that information to be transmitted is M (0/1 squares in I rows and J columns), the same two carrier images are respectively divided into squares in I rows and J columns corresponding to M; the I-th row and the J-th column corresponding to M on each carrier image are different modulation coordinates;
suppose when M isijWhen the pixel point in the coordinate is modulated when the coordinate is 0, the G color component of one carrier image (referred to as a first carrier image) is converted into Gij+SGThe other carrier image (referred to as the second carrier image) is Gij-SG(ii) a When M isijWhen 1, the first carrierConversion of G color components of an image to Gij-SGThe second carrier image is Gij+SG(ii) a By making the superimposed value of the modulation parameters of the two carrier images under the same modulation coordinate zero, when the first image and the second image are superimposed together in visual effect, the attribute value of the superimposed image is the same as the attribute value of the two carrier images which are directly superimposed, so that the visual influence brought by modulating the information to be transmitted can be completely counteracted, and the user can be ensured not to observe the embedded information to be transmitted completely.
Specifically, the first display parameter and the second display parameter may include parameters such as a time parameter and a polarization direction, which is not limited in the present invention;
therefore, the displaying the first image and the second image through the 3D playing module includes:
displaying the first image with a first time parameter through the 3D playing module, and displaying the second image with a second time parameter through the 3D playing module; the difference between the first time parameter and the second time parameter is small, the visual effect of the displayed image is not influenced, but the imaging device can quickly separate the first image and/or the second image according to the difference of the time parameters, so that the time for separating the first image and/or the second image is shortened, and the information transmission efficiency is improved;
alternatively, the first and second electrodes may be,
and displaying the first image in a first polarization direction through the 3D playing module, and displaying the second image in a second polarization direction through the 3D playing module, wherein the first polarization direction is vertical to the second polarization direction.
Specifically, the 3D playing module is provided with two polarizers (polarizers), and the polarization directions of the two polarizers of the 3D playing module are perpendicular;
the polarization directions of the two polaroids of the 3D playing module are perpendicular, so that the imaging equipment can rapidly separate the first image and/or the second image through the analyzer, the time for separating the first image and/or the second image is shortened, and the information transmission efficiency is improved.
Example 2
Fig. 2 is a flowchart of another implicit information transmission method provided in an embodiment of the present invention, where the method is executed at an imaging device, and as shown in fig. 2, the method includes:
step 201: acquiring a first image and a second image which are displayed by a display device and overlapped in visual effect;
specifically, the display device may include a user device with a camera function, such as a mobile phone, a tablet computer, and a notebook computer;
the display equipment starts a camera shooting function and records a first image and a second image which are overlapped together in a visual effect and are being played;
step 202: separating the first image and/or the second image;
specifically, the first image and the second image may be separated according to a difference between playing parameters of the first image and the second image, where the playing parameters include a time parameter, a polarization direction parameter, and the like, and the present invention is not limited thereto;
step 203: extracting hidden information to be transmitted according to the separated first image and/or second image;
the first image and the second image are obtained by performing 3D mode conversion on carrier images by the display equipment to obtain two same carrier images, the two same carrier images are respectively processed according to information to be transmitted, and the first image and the second image are displayed by the 3D playing module; the first image and the second image (hereinafter referred to as overlapped images) which are overlapped in visual effect as described in the embodiment of the present invention are displayed by the embodiment 1;
specifically, the information to be transmitted is determined by comparing the attribute values of the first image and the second image, or the attribute values of the first image and the overlapped image, or the attribute values of the second image and the overlapped image;
according to the implicit information transmission method provided by the embodiment of the invention, the first image and the second image which are overlapped together in visual effect are received, and the information to be transmitted is extracted according to the first image and/or the second image; the first image and the second image are obtained by respectively processing two same carrier images according to information to be transmitted, and the first image and the second image are displayed through a 3D playing module; according to the method, the carrier image is subjected to 3D mode conversion and embedded with the information to be transmitted according to the characteristic of image redundancy in a 3D play mode, so that the embedded information to be transmitted can be prevented from being observed by naked eyes of a user, the method is also suitable for any display equipment with the 3D play mode, and the popularization and application of implicit information transmission are facilitated.
Specifically, the separating out the first image and/or the second image includes:
and separating the first image and/or the second image according to preset separation parameters, wherein the separation parameters comprise exposure time parameters corresponding to time parameters when the 3D playing module displays the first image or the second image, or polarization parameters corresponding to the polarization direction when the 3D playing module displays the first image or the second image.
When the separation parameter is an exposure time parameter, the receiving end may separate the overlapped images by controlling the exposure time, for example, the display time interval between the first image and the second image is 0.001S, and the imaging device may separate the first image and/or the second image by using an exposure time difference of 0.001S;
when the separation parameter is a polarization parameter, the display device can rapidly separate the first image and/or the second image through the analyzer;
the separation method is simple to operate, small in calculation amount and beneficial to improving the information extraction efficiency, so that the user experience is improved.
Specifically, the extracting hidden information to be transmitted according to the separated first image and/or second image includes:
extracting image information of the first image and/or the second image;
determining modulation coordinates and corresponding modulation parameters of the first image and/or the second image according to the image information;
and determining hidden information to be transmitted according to the modulation coordinates and the corresponding modulation parameters.
By extracting the image information and determining the modulation coordinates and the corresponding modulation parameters according to the image information, the hidden information to be transmitted can be identified even and quickly.
Example 3
Fig. 3 is a schematic diagram of an implicit information transmission method provided in an embodiment of the present invention, as shown in fig. 3, the method includes:
the original images (including the carrier image) are converted into a 3D mode, the number of the images is increased to 2 times that of the original images, namely 1 original image A1Mapping to 2 images A1L,A1R，(A1L,A1RContent is the same) corresponds to left and right eye images in the 3D image signal.
The resulting image signal is displayed and output by a display device having a 3D display function.
Detecting visible light signals generated by the 3D images by using imaging equipment to obtain left and right eye images A1L,A1RThe transmitted information is extracted according to the imaging of the independent imaging result.
The following is a specific example of an embodiment of the present invention:
first original image A1Is mapped into 2 left and right eye images A according to a rule1L,A1RAnd obtaining the image signal in the 3D format. When the original image includes a plurality of images, in time series, A1,A2,A3… corresponds to obtaining (A)1L,A1R)，(A2L,A2R)，(A3L,A3R)…。
The rule determines the corresponding relation between the mapping result and the bearing information (information to be transmitted), thereby realizing the embedding of the information to be transmitted. Meanwhile, 2 images A obtained after mapping1L,A1RAfter the requirement of visual superposition, the image is superposed with the original image A1Is equivalent to the visual effect of (A)1L+A1R＝A1. The specific design of the mapping and embedding information rules is not limited.
Displaying and transmitting the 3D format image through a display device supporting a 3D mode, wherein the 3D format is applicable to all 3D formats and is not limited to a certain 3D format;
detecting the visible light signal generated by image signal display with imaging device, and obtaining A1L,A1RAnd extracting transmission information from the image to finish the communication process.
The implicit information transmission method provided by the embodiment of the invention can realize implicit visible light imaging communication based on the existing 3D video format, decoding, playing and displaying and the like;
the implicit information transmission method provided by the embodiment of the invention adopts the same left-eye image content and right-eye image content on the basis of the original 3D format image, plays the image in a 3D mode without 3D effect, embeds the information to be transmitted in the image signal 2 times as much as the image signal in the common format, ensures that the image signal is equivalent to the original image in visual effect after being visually superposed, and has the following beneficial effects:
under the condition that the display terminal equipment supports the 3D mode, any common image signal can utilize the 3D mode to realize implicit visible light imaging communication, the method is simple to process, and transmission information is easy to detect and extract by the imaging equipment (3D image signals such as flash and polarized light can be extracted in an existing mode without superposition by controlling exposure time, polarized light filtering and the like).
By utilizing the visual characteristics of human eyes, when audiences do not use a left-eye and right-eye visual separation device (such as 3D glasses), the actual visual effect is the superposition of left-eye and right-eye images, the human eyes cannot distinguish the independent left-eye and right-eye images, and the observed superposed images are original images, so that the hiding of the communication process to the vision is realized.
Example 4
Fig. 4 is a schematic structural diagram of an implicit information transmission apparatus provided in an embodiment of the present invention, located at a display device side, where the display device has a 3D playing module, and as shown in fig. 4, the apparatus includes:
the copying module 10 is used for performing 3D mode conversion on the carrier images to obtain two same carrier images;
the embedding module 20 is configured to process the two same carrier images according to information to be transmitted, so as to obtain a first image and a second image embedded with the information to be transmitted;
the sending module 30 is configured to display the first image and the second image through the 3D playing module, so that a receiving end receives the first image and the second image which are overlapped in a visual effect, and extract the information to be transmitted according to the first image and/or the second image. Specifically, in the embodiment of the present invention, the embedded module 20 is configured to:
determining modulation coordinates and corresponding modulation parameters of the two same carrier images according to the information to be transmitted, wherein the superposition value of the modulation parameters of the two same carrier images under the same modulation coordinates is zero;
and respectively processing the two same carrier images according to the modulation coordinates and the corresponding modulation parameters.
Specifically, in the embodiment of the present invention, the sending module 30 is configured to:
displaying the first image with a first time parameter through the 3D playing module, and displaying the second image with a second time parameter through the 3D playing module; alternatively, the first and second electrodes may be,
and displaying the first image in a first polarization direction through the 3D playing module, and displaying the second image in a second polarization direction through the 3D playing module, wherein the first polarization direction is vertical to the second polarization direction.
According to the implicit information transmission device provided by the embodiment of the invention, the same two carrier images are respectively processed according to the information to be transmitted to obtain the first image and the second image embedded into the information to be transmitted, the two different sending modules for displaying the first image and the second image are respectively used for sending the first image and the second image through the 3D playing module, so that the played first image and the played second image are overlapped on the visual effect, the sending rate of the carrier images is not required to be adjusted, and the condition that a user observes the embedded information to be transmitted by naked eyes can be avoided; receiving the first image and the second image which are overlapped together in visual effect by an imaging device through a receiving end, and extracting the information to be transmitted according to the first image and/or the second image; according to the method, the carrier image is subjected to 3D mode conversion and embedded with the information to be transmitted according to the characteristic of image redundancy in a 3D play mode, so that the embedded information to be transmitted can be prevented from being observed by naked eyes of a user, the method is also suitable for any display equipment with the 3D play mode, and the popularization and application of implicit information transmission are facilitated. Example 5
Fig. 5 is a schematic structural diagram of an implicit information transmission apparatus provided in an embodiment of the present invention, located at an imaging device, as shown in fig. 5, the apparatus includes:
a receiving module 40, configured to acquire a first image and a second image that are displayed by a display device and are overlapped in visual effect;
a separation module 50 for separating the first image and/or the second image;
an extracting module 60, configured to extract hidden information to be transmitted according to the separated first image and/or second image;
the first image and the second image are obtained by converting the carrier images in a 3D mode through the display equipment, the two same carrier images are obtained, the two same carrier images are processed respectively according to information to be transmitted, and the first image and the second image are displayed through the 3D playing module.
Specifically, the separation module 50 in the embodiment of the present invention is configured to:
and separating the first image and/or the second image according to preset separation parameters, wherein the separation parameters comprise exposure time parameters corresponding to time parameters when the 3D playing module displays the first image or the second image, or polarization parameters corresponding to the polarization direction when the 3D playing module displays the first image or the second image.
Specifically, in the embodiment of the present invention, the extraction module 60 is configured to:
extracting image information of the first image and/or the second image;
determining modulation coordinates and corresponding modulation parameters of the first image and/or the second image according to the image information;
and determining hidden information to be transmitted according to the modulation coordinates and the corresponding modulation parameters.
The implicit information transmission device provided by the embodiment of the invention receives the first image and the second image which are overlapped together in visual effect, and extracts the information to be transmitted according to the first image and/or the second image; the method comprises the steps that the same two carrier images are respectively processed according to information to be transmitted to obtain a first image and a second image embedded with the information to be transmitted, the first image and the second image are respectively transmitted through two different transmitting modules to obtain the first image and the second image overlapped in visual effect, and the embedded information to be transmitted can be prevented from being observed by naked eyes of a user without adjusting the transmitting speed of the carrier images; the method is suitable for the image or video display standard of the existing display equipment, and is favorable for promoting the popularization and application of implicit information transmission.
Example 6
The embodiment of the invention also provides an implicit information transmission system, which comprises a sending end and a receiving end, wherein the sending end comprises the implicit information transmission device provided by the embodiment 1, and the receiving end comprises the implicit information transmission device provided by the embodiment 2.
According to the implicit information transmission method provided by the embodiment of the invention, the first image and the second image which are overlapped together in visual effect are received, and the information to be transmitted is extracted according to the first image and/or the second image; the first image and the second image are obtained by respectively processing two same carrier images according to information to be transmitted, and the first image and the second image are displayed through a 3D playing module; according to the method, the carrier image is subjected to 3D mode conversion and embedded with the information to be transmitted according to the characteristic of image redundancy in a 3D play mode, so that the embedded information to be transmitted can be prevented from being observed by naked eyes of a user, the method is also suitable for any display equipment with the 3D play mode, and the popularization and application of implicit information transmission are facilitated.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides an implicit expression information transmission method, carries out in the display device end, the display device has 3D and plays the module, its characterized in that, includes:
carrying out 3D mode conversion on the carrier images to obtain two same carrier images;
respectively processing the two same carrier images according to information to be transmitted to obtain a first image and a second image embedded with the information to be transmitted;
displaying the first image and the second image through the 3D playing module so that a receiving end receives the first image and the second image which are overlapped together in visual effect, and extracting the information to be transmitted according to the first image and/or the second image;
wherein the content of the first and second substances,
the processing the same two carrier images respectively according to the information to be transmitted to obtain a first image and a second image embedded in the information to be transmitted, including:
separating the first image and/or the second image according to preset separation parameters, wherein the separation parameters comprise exposure time parameters corresponding to time parameters when the 3D playing module displays the first image or the second image, or polarization parameters corresponding to polarization directions when the 3D playing module displays the first image or the second image;
the processing the two same carrier images according to the information to be transmitted includes:
determining modulation coordinates and corresponding modulation parameters of the two same carrier images according to the information to be transmitted, wherein the superposition value of the modulation parameters of the two same carrier images under the same modulation coordinates is zero;
and respectively processing the two same carrier images according to the modulation coordinates and the corresponding modulation parameters.
2. The method according to claim 1, wherein the displaying the first image and the second image through the 3D playback module comprises:
displaying the first image with a first time parameter through the 3D playing module, and displaying the second image with a second time parameter through the 3D playing module; alternatively, the first and second electrodes may be,
and displaying the first image in a first polarization direction through the 3D playing module, and displaying the second image in a second polarization direction through the 3D playing module, wherein the first polarization direction is vertical to the second polarization direction.
3. An implicit information transmission method, executed on an imaging device side, includes:
acquiring a first image and a second image which are displayed by a display device and overlapped in visual effect;
separating the first image and/or the second image according to preset separation parameters, wherein the separation parameters comprise exposure time parameters corresponding to time parameters when the 3D playing module displays the first image or the second image, or polarization parameters corresponding to the polarization direction when the 3D playing module displays the first image or the second image;
extracting hidden information to be transmitted according to the separated first image and/or second image;
wherein the content of the first and second substances,
the first image and the second image are obtained by carrying out 3D mode conversion on carrier images by the display equipment to obtain two same carrier images, the two same carrier images are respectively processed according to information to be transmitted, and the first image and the second image are displayed by a 3D playing module;
wherein the content of the first and second substances,
the processing the two same carrier images according to the information to be transmitted includes:
determining modulation coordinates and corresponding modulation parameters of the two same carrier images according to the information to be transmitted, wherein the superposition value of the modulation parameters of the two same carrier images under the same modulation coordinates is zero;
and respectively processing the two same carrier images according to the modulation coordinates and the corresponding modulation parameters.
4. The method according to claim 3, wherein the extracting hidden information to be transmitted according to the separated first image and/or second image comprises:
extracting image information of the first image and/or the second image;
determining modulation coordinates and corresponding modulation parameters of the first image and/or the second image according to the image information;
and determining hidden information to be transmitted according to the modulation coordinates and the corresponding modulation parameters.
5. The utility model provides an implicit expression information transmission device, is located the display device end, the display device has 3D broadcast module, its characterized in that includes:
the copying module is used for carrying out 3D mode conversion on the carrier images to obtain two same carrier images;
the embedding module is used for respectively processing the two same carrier images according to information to be transmitted to obtain a first image and a second image embedded with the information to be transmitted;
the sending module is used for displaying the first image and the second image through the 3D playing module so that a receiving end receives the first image and the second image which are overlapped in visual effect, and extracting the information to be transmitted according to the first image and/or the second image;
wherein the content of the first and second substances,
the processing the same two carrier images respectively according to the information to be transmitted to obtain a first image and a second image embedded in the information to be transmitted, including:
separating the first image and/or the second image according to preset separation parameters, wherein the separation parameters comprise exposure time parameters corresponding to time parameters when the 3D playing module displays the first image or the second image, or polarization parameters corresponding to polarization directions when the 3D playing module displays the first image or the second image;
the embedding module is configured to:
determining modulation coordinates and corresponding modulation parameters of the two same carrier images according to the information to be transmitted, wherein the superposition value of the modulation parameters of the two same carrier images under the same modulation coordinates is zero;
and respectively processing the two same carrier images according to the modulation coordinates and the corresponding modulation parameters.
6. The apparatus of claim 5, wherein the sending module is configured to:
displaying the first image with a first time parameter through the 3D playing module, and displaying the second image with a second time parameter through the 3D playing module; alternatively, the first and second electrodes may be,
and displaying the first image in a first polarization direction through the 3D playing module, and displaying the second image in a second polarization direction through the 3D playing module, wherein the first polarization direction is vertical to the second polarization direction.
7. An implicit information transmission apparatus, located on an imaging device side, comprising:
the receiving module is used for acquiring a first image and a second image which are displayed by the display device and overlapped in visual effect;
the separation module is used for separating the first image and/or the second image according to preset separation parameters, wherein the separation parameters comprise exposure time parameters corresponding to time parameters when the 3D playing module displays the first image or the second image, or polarization parameters corresponding to polarization directions when the 3D playing module displays the first image or the second image;
the extraction module is used for extracting hidden information to be transmitted according to the separated first image and/or second image;
wherein the content of the first and second substances,
the first image and the second image are obtained by the display device performing 3D mode conversion on the carrier images to obtain two same carrier images, the two same carrier images are respectively processed according to the information to be transmitted, and the first image and the second image are displayed by a 3D playing module,
the processing the two same carrier images according to the information to be transmitted includes:
determining modulation coordinates and corresponding modulation parameters of the two same carrier images according to the information to be transmitted, wherein the superposition value of the modulation parameters of the two same carrier images under the same modulation coordinates is zero;
and respectively processing the two same carrier images according to the modulation coordinates and the corresponding modulation parameters.
8. The apparatus of claim 7, wherein the extraction module is configured to:
extracting image information of the first image and/or the second image;
determining modulation coordinates and corresponding modulation parameters of the first image and/or the second image according to the image information;
and determining hidden information to be transmitted according to the modulation coordinates and the corresponding modulation parameters.
9. An implicit information transfer system comprising a display device and an imaging device, characterized in that the display device comprises the implicit information transfer apparatus of any of claims 5 to 6 and the imaging device comprises the implicit information transfer apparatus of any of claims 7 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610764369.9A CN107809652B (en) | 2016-08-29 | 2016-08-29 | Implicit information transmission method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610764369.9A CN107809652B (en) | 2016-08-29 | 2016-08-29 | Implicit information transmission method, device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107809652A CN107809652A (en) | 2018-03-16 |
| CN107809652B true CN107809652B (en) | 2020-02-18 |
Family
ID=61575855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610764369.9A Active CN107809652B (en) | 2016-08-29 | 2016-08-29 | Implicit information transmission method, device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107809652B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731654A (en) * | 2013-12-23 | 2014-04-16 | 华中科技大学 | Information embedding system and information extracting system using 2D/3D videos |
| CN105120325A (en) * | 2015-09-15 | 2015-12-02 | 中国人民解放军信息工程大学 | Information transmission method and information transmission system |
| CN105447812A (en) * | 2015-11-10 | 2016-03-30 | 南京大学 | 3D moving image displaying and information hiding method based on linear array |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9978156B2 (en) * | 2012-10-03 | 2018-05-22 | Avago Technologies General Ip (Singapore) Pte. Ltd. | High-throughput image and video compression |
-
2016
- 2016-08-29 CN CN201610764369.9A patent/CN107809652B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731654A (en) * | 2013-12-23 | 2014-04-16 | 华中科技大学 | Information embedding system and information extracting system using 2D/3D videos |
| CN105120325A (en) * | 2015-09-15 | 2015-12-02 | 中国人民解放军信息工程大学 | Information transmission method and information transmission system |
| CN105447812A (en) * | 2015-11-10 | 2016-03-30 | 南京大学 | 3D moving image displaying and information hiding method based on linear array |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107809652A (en) | 2018-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105120325B (en) | A kind of information transferring method and system | |
| CN108322788B (en) | Advertisement display method and device in live video | |
| CN102036044B (en) | Transmitter, transmitting method, receiver and receiving method | |
| KR102173417B1 (en) | Fingerprint layout for content intellectual culture | |
| CN102918855B (en) | For the method and apparatus of the activity space of reasonable employment frame packing form | |
| US8094168B2 (en) | Adding secondary content to underutilized space on a display device | |
| US20130340000A1 (en) | Method, apparatus and system for bitstream editing and storage | |
| CN103731615A (en) | Display method and display device | |
| CN104581399B (en) | The method and system that hot word is searched in a kind of TV box | |
| CN107872691A (en) | A kind of advertisement loading processing method, apparatus and system | |
| CN102215418B (en) | 3-D image display method and interface unit | |
| US20120120190A1 (en) | Display device for use in a frame sequential 3d display system and related 3d display system | |
| EP2575358B1 (en) | Display apparatus and control method thereof | |
| CN104469440A (en) | Vide playing method, video player and corresponding video playing device | |
| TWI674556B (en) | The hardware system for inputting 3d image in a flat panel | |
| CN107809652B (en) | Implicit information transmission method, device and system | |
| CN103888808A (en) | Video display method, display device, auxiliary device and system | |
| CN105049825A (en) | Image display processing method and terminal | |
| CN103533339A (en) | Naked eye 3D (three-dimensional) display equipment and display method thereof | |
| WO2016123909A1 (en) | Method for playing media content, server and display apparatus | |
| US20180255264A1 (en) | Electronic apparatus for playing substitutional advertisement and controlling method thereof | |
| CN203193773U (en) | Multimedia panoramic recording system | |
| CN107786828B (en) | Implicit information transmission method, device and system | |
| JP6567461B2 (en) | Recognition device, video content presentation system, program | |
| CN104301776B (en) | A kind of method of information processing, digital television devices and wearable device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |