CN107333092B - Portable movable information security display system based on psycho-visual modulation - Google Patents

Abstract

The present invention provides a kind of Portable movable information security display system based on psycho-visual modulation, comprising: for handling the computer equipment of projection and detection in real time；For controlling the polarising means of polarization direction；For playing pictures or the multimedia equipment of video；For observing the glasses of private information；For receiving the removable display board of projection information；For detecting the photographic device of display board.The present invention, which can be realized, makes authorized user in the place of opposite secret by wearing the matching glasses of customization to observe the higher information of security level, other unauthorized users can only observe the lower information of security level；Furthermore Portable movable equipment provides more flexible mode abundant for speaker or exhibitor, and not only stands and transmit limited information along with simple gesture by limited screen before a screen.The present invention breaks traditional conference model, considers information security field emphatically while abundant display form and information, has wide application prospect.

Description

Portable mobile information security display system based on psychovisual modulation

technical field

The invention relates to the fields of multimedia information display and multimedia information security, and in particular, relates to a portable and movable information security display system.

Background technique

In the traditional conference mode, the speaker stands in front of a screen, facing the audience, and only relies on the limited screen area to convey limited content information. If you want to make the displayed content more substituting, some speakers or exhibitors will add some gestures, but gestures are only an expression of the speaker’s emotions, and the sense of substitution cannot be effectively enhanced, and the displayed information still depends on the following screen content. Therefore, a movable display device that is separated from the original projection screen is designed, so that the speaker can take the device anywhere in the venue. Relying on this alone, it can be used as a powerful display auxiliary system to deliver richer and more flexible content to the audience.

With the rapid development of the information age, people gradually realize the importance of information security. The content of information becomes huge and complex, and information with different security levels must be received by authorized users with different security levels. For example, in more and more security conferences, how to distinguish between authorized users and unauthorized users, how to ensure that important confidential information is not stolen by others, and so on.

The above problems make it a rigid requirement to design a real-time display system that can effectively guarantee privacy and security and clearly distinguish user groups.

Contents of the invention

Aiming at the defects in the prior art, the object of the present invention is to provide a portable and movable information security display system based on psycho-visual modulation, which not only solves the limitations of traditional projection display, but also solves the problem of privacy protection in the field of multimedia information security .

In order to achieve the above purpose, the present invention provides a portable and movable information security display system based on psycho-visual modulation, including:

Computer equipment for real-time processing of projection and detection;

Polarizing means for controlling the direction of polarization;

Multimedia equipment for playing pictures or videos;

Glasses used to observe private information;

A removable display panel for receiving projected information;

A camera arrangement for object detection with a movable display panel; wherein:

Several multimedia devices and at least one camera device are connected to and controlled by the computer device;

A first polarizing device is respectively placed in front of several multimedia devices;

A second polarizing device is placed in front of the camera device, and the second polarizing device is matched with one of the first polarizing devices placed in front of several multimedia devices;

The movable display board is placed before all the above polarizing devices, that is, all the first polarizing devices are located between the movable display board and several multimedia devices, and the second polarizing devices are located between the movable display board and several multimedia devices. between the camera devices;

The glasses are matched with the private information and used by authorized users, and the authorized users can watch the authorized private information through the glasses;

The computer device controls several multimedia devices to play different contents, and after being processed by the first polarization device placed in front of several multimedia devices, it is projected onto the movable display board, and the projected light path passes through the movable display board. The reflection of the moving display panel is transmitted to the second polarizing device placed in front of the camera, and the second polarizing device is matched with one of the first polarizing devices, and what the camera detects is a The image containing the movable display panel processed by the polarizing device, the computer equipment recognizes and detects the position of the movable display panel according to the image detected by the camera device, and sends valid information to the authorized user that is the The private information is projected onto the movable display board.

Preferably, the second polarizing device is matched with one of the first polarizing devices, so that the camera device cannot see the content on the movable display board, but only sees a movable display without a picture. a display panel, so as to detect the position of the movable display panel in space, and the camera device transmits the detected spatial position information of the movable display panel to the computer equipment;

After the computer device obtains the position of the movable display panel, it processes and accurately projects various images to be displayed onto the movable display panel, so that no matter how the movable display panel is held , the camera device can detect the position of the portable mobile display panel, and realize a complete cycle after being processed by the computer equipment in time.

Preferably, each of the first polarizing devices placed in front of the multimedia device corresponds to a unique polarization direction, so that the information on the optical paths does not overlap during information transmission.

Preferably, the movable display panel reflects the light path information, and does not change the polarization direction during the reflection process, so that the polarization direction remains unchanged during the entire information transmission process.

Preferably, the second polarizing device matches one of the first polarizing devices to form a pair of matching polarizing devices, and after the optical path passes through the pair of matching polarizing devices, the camera recognizes one of the optical paths, thereby The multi-channel information is distinguished, so that the computer device can effectively detect the movable display board.

Preferably, the polarization device can identify the polarization direction of the optical path that cannot be recognized by the human eye, so as to judge and detect the polarized optical path, and the matching polarization device can filter the content on the movable display board, The images collected by the camera device do not include the content on the movable display panel, so that the camera device can detect and locate the position of the movable display panel quickly and in real time.

Preferably, the computer device detects the location of the movable display board, transmits the displayed information to the multimedia device, and directly projects onto the movable display board through the multimedia device.

Preferably, the glasses are matched with the polarizing device, so that specific authorized users can view private information, and naked-eyed users only see another completely different content.

Preferably, the present invention increases the number of categories of information to be transmitted by increasing the number of multimedia devices, so that users can be better distinguished through more glasses, thereby effectively delineating the range of users authorized to display information, ensuring Information with different security levels is only received by specific users.

The system of the present invention supports naked-eye users and authorized users who wear glasses, and also provides more matching glasses for more user groups, so as to realize the simultaneous viewing of information of various contents in front of the same multimedia display device, effectively corresponding to different security level content.

The system of the present invention can realize simultaneous viewing between the naked-eyed user and the glasses-wearing user, and can also ensure that the naked-eyed user can see meaningful pictures while users without glasses can also see different contents.

Compared with the prior art, the present invention has the following beneficial effects:

The system of the present invention breaks the traditional conference mode and provides a more flexible and rich way for speakers or presenters, instead of just standing in front of a screen and relying on a limited screen plus simple gestures to deliver limited information ; While the present invention enriches the display form and information, it also emphatically considers the field of information security that people are very concerned about at present, so it has a wide application prospect in the future.

Description of drawings

Other characteristics, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

Fig. 1 is a system overall structure diagram of a preferred embodiment of the present invention.

Detailed ways

The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

As shown in Figure 1, a portable and movable information security display system includes:

Computer equipment for real-time processing of projection and detection;

Polarizing means for controlling the direction of polarization;

Multimedia equipment for displaying pictures or videos;

Glasses used to observe private information;

A removable display panel for receiving projected information;

A camera device for object detection on a movable display panel;

in:

Several multimedia devices and at least one camera device are all connected to the computer device and controlled by the computer device;

A first polarizing device is respectively placed in front of several said multimedia devices;

A second polarizing device is placed in front of the camera device, and the second polarizing device is matched with one of the first polarizing devices placed in front of the multimedia device;

The movable display panel is placed before all the above polarizing devices, that is, all the first polarizing devices are located between the movable display panel and several multimedia devices, and the second polarizing devices are located between the movable display panel between the board and the camera device;

The glasses are matched with the private information and used by authorized users, and the authorized users can watch the authorized private information through the glasses;

The computer device controls several multimedia devices to play different contents, and after being processed by the first polarization device placed in front of several multimedia devices, it is projected onto the movable display board, and the projected light path passes through the movable display board. The reflection of the moving display panel is transmitted to the second polarizing device placed in front of the camera, and the second polarizing device is matched with one of the first polarizing devices, and what the camera detects is a The image containing the movable display panel processed by the polarizing device, the computer equipment recognizes and detects the position of the movable display panel according to the image detected by the camera device, and sends valid information to the authorized user that is the The private information is projected onto the movable display board.

Take a security conference involving important information as an example. The speaker stands on the podium and presents to the audience present. At this time, the speaker can present flexibly and richly by holding the portable and movable display board based on psychovisual modulation designed in the present invention.

In this embodiment, as shown in Figure 1, the polarizers F1, F2, F1(2) used to control the polarization direction, the projectors 1 and 2 used to play pictures or videos, and the display panels used for target detection camera;

Projectors 1, 2 and cameras are connected to the computer; polarizing devices F1 and F2 are respectively placed in front of the lenses of projectors 1 and 2; a polarizing device F1(2) is placed in front of the camera lens, and the polarizing device F1(2) It corresponds to one of the polarizing devices F1 and F2 placed in front of the lenses of projectors 1 and 2; the portable mobile display board is placed in front of the polarizing devices F1, F2 and F1(2), that is, the polarizing devices F1, F2 and F1(2 ) is located between the portable mobile display board, the projectors 1, 2 and the camera; the glasses are matched with the private information and used by authorized users, so that the authorized users can watch the private information through the glasses.

The system uses a computer for central control to complete target detection and positioning, and at the same time completes accurate projection of video images. specific:

Because the polarizing device F1(2) in front of the camera is matched with one of the polarizing devices F1 and F2 in front of the projectors 1 and 2, this makes the camera unable to see the content on the portable mobile display panel, and Only a portable mobile display board with no picture can be seen; based on this, the position of the portable mobile display board in space can be well detected. After the computer obtains the position of the portable mobile display board, various images to be displayed are accurately projected onto the portable mobile display board after processing. This realizes that no matter how the portable mobile display board is held, the camera can detect the position of the portable mobile display board very well, and after timely processing by the computer, a complete cycle is realized.

In this embodiment, the polarizing device must strictly guarantee the polarization direction, and the paired polarizing devices must be strictly matched, so that it can ensure that the camera device is accurate when the polarization direction remains unchanged during transmission. The detected position of the portable mobile display board.

In this embodiment, the portable mobile display board does not change the polarization direction of the light path during the reflection process, so that the polarization direction of the light path received by the polarizing device placed in front of the camera device is the projection emitted by the projector. out of the polarized light path.

In this embodiment, by using the glasses matched with the polarizing device, specific authorized users can watch private information (for example: information with a higher level of security information), while naked-eyed users only see another completely different content ( For example: information with a lower level of security information). Therefore, the system of the present invention can realize simultaneous viewing between the naked-eye user and the glasses-wearing user; it can also realize that while the naked-eye user can see meaningful pictures, users without glasses can also see different contents.

In this embodiment, the glasses are polarized glasses made based on a polarizing device.

Taking a moment in the display process as an example, two projectors 1 and 2 generate light paths with different polarization directions through different polarization devices F1 and F2, and project the two-way images onto the portable mobile display board; The reflection of the mobile display panel does not change the polarization direction of the optical path, so when the optical path passes through the polarization device F1(2) in front of the camera again, the picture captured by the camera is the outline of a portable mobile display panel, and such a The outline is relatively easy for a computer to recognize, and after calculation and processing, the specific position of the portable mobile display board can be detected and located. Therefore, the computer processes the position information of the portable mobile display board, so that the two projectors 1 and 2 can accurately project images onto the portable mobile display board. And no matter what posture the portable mobile display board is held in, the computer can detect the outline of the portable mobile display board and find out the specific position of the portable mobile display board. In this way, a complete cycle is realized. At the beginning of the speech, the computer will perform real-time processing to ensure that the speaker can complete the speech perfectly and wonderfully. In the course of this speech, one piece of information can be replaced with private information, so that users wearing special glasses can see authorized private information, while naked-eyed users see another unauthorized picture, thus effectively The security of information is guaranteed.

The system of the present invention can be implemented in a relatively private place, so that authorized users can observe information with a higher security level by wearing designed matching glasses, and other unauthorized users can only observe information with a lower security level.

In addition to the above-mentioned embodiments, the system of the present invention can also increase the number of multimedia devices to increase the number of categories of information to be transmitted. The categories of these information are matched with the glasses used to achieve more user distinctions. In this way, the scope of users authorized to display information can be effectively delineated, and information with different security levels can only be received by specific users.

Furthermore, the number of the above-mentioned camera devices can also be adjusted according to needs, so that the whole system can be applied to more mobile display panels, and at the same time, images of the mobile display panels can be obtained more quickly by setting more camera devices. If an imaging device is added, correspondingly, the second polarizing device is correspondingly added, so that the entire optical path meets the description requirements of the above technology.

The system of the present invention breaks the traditional conference mode and provides a more flexible and rich way for speakers or presenters, instead of just standing in front of a screen and relying on a limited screen plus simple gestures to deliver limited information ; While the present invention enriches the display form and information, it also emphatically considers the field of information security that people are very concerned about at present, so it has a wide application prospect in the future.

Specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art may make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention.

Claims (9)

1. a kind of Portable movable information security display system based on psycho-visual modulation characterized by comprising

For handling the computer equipment of projection and detection in real time；

For controlling the polarising means of polarization direction；

For playing pictures or the multimedia equipment of video；

For observing the glasses of private information；

For receiving the removable display board of projection information；

The photographic device of display board is moved for target detection；Wherein:

Several multimedia equipments and at least one photographic device are connect with computer equipment, and are controlled by the computer equipment；

First polarising means is placed before several described multimedia equipments respectively；

Second polarising means is placed before the photographic device, and second polarising means is set with the multimedia is placed on A matching in first polarising means of standby front；

The removable display board is placed on before all above-mentioned polarising means, it may be assumed that all first polarising means are located at institute It states between removable display board and several multimedia equipments, second polarising means is located at the removable display board and institute It states between photographic device；

The glasses are matched with private information and are used for authorized user, and authorized user is watched authorized by the glasses Private information；

The computer equipment controls several multimedia equipments and plays different contents, by being placed on several multimedias It is projected on the removable display board after first polarising means processing before equipment, it can described in the optical path process of projection Mobile display board reflection is transmitted to the second polarising means being placed on before the photographic device, second polarising means and institute A matching in the first polarising means is stated, then what the photographic device detected is one after polarising means processing The image comprising the removable display board crossed, the computer equipment are detected according to the image recognition that the photographic device detects The position of the removable display board out, and the effective information to authorized user, that is, private information projected to described removable On dynamic display board.

2. a kind of Portable movable information security display system based on psycho-visual modulation according to claim 1, It is characterized in that, second polarising means is matched with one in first polarising means, so that the photographic device is seen Less than content on the removable display board, and the removable display board of a not no picture is only seen, institute is detected with this Removable display board is stated in the position in space, the space bit confidence for the removable display board that the photographic device will test Breath is transmitted to the computer equipment；

It is by processing, a variety of pictures to be shown are quasi- after the computer equipment obtains the position of the removable display board It really projects on the removable display board, so that no matter the removable display board is held in what manner, it is described Photographic device can detect the position of Portable movable display board, and realize one after handling in time by the computer equipment Complete circulation.

3. a kind of Portable movable information security display system based on psycho-visual modulation according to claim 2, It is characterized in that, first polarising means that the multimedia equipment front is placed, each described first polarising means pair A unique polarization polarization direction is answered, so that optical path information is not overlapped in information exchanging process.

4. a kind of Portable movable information security display system based on psycho-visual modulation according to claim 3, It is characterized in that, the removable display board reflected light path information, and do not change polarization polarization direction in reflection process, so that The invariance of polarization direction is polarized in entire information exchanging process.

5. a kind of Portable movable information security display system based on psycho-visual modulation according to claim 1, It is characterized in that, second polarising means is corresponding with a matching in first polarising means, it is inclined to form a matching Vibrating device pair, optical path is by the matching polarising means to after, and the photographic device recognizes wherein optical path all the way, thus by more Road information is distinguish, so that the computer equipment effectively detects the removable display board.

6. a kind of Portable movable information security display system based on psycho-visual modulation according to claim 5, It is characterized in that, the polarising means is to the polarization polarization direction that can recognize that optical path that human eye cannot recognize that, to judge Detect polarization optical path, the matching polarising means is filtered to by the content on the removable display board, the camera shooting Device acquired image does not simultaneously include the content on the removable display board, so that the photographic device is quickly, in real time Detection positions the position of the removable display board.

7. a kind of Portable movable information security based on psycho-visual modulation according to claim 1-6 is aobvious Show system, which is characterized in that the computer equipment detection navigates to the position of the removable display board, and the information of displaying is passed The multimedia equipment is passed, is projected directly on the removable display board by the multimedia equipment.

8. a kind of Portable movable information security based on psycho-visual modulation according to claim 1-6 is aobvious Showing system, which is characterized in that the glasses are matched with the polarising means, and special delegated authority user is enable to watch private information, Naked eye user only sees another entirely different content.

9. a kind of Portable movable information security based on psycho-visual modulation according to claim 1-6 is aobvious Show system, which is characterized in that increase the class number of transmitting information by increasing the number of the multimedia equipment, realize logical It crosses more glasses to better discriminate between user, to effectively delimit the user scope that authorizing information is shown, guarantee not Information with security level is only received by specific user.