KR20150112440A - 3Dimensional Display System Based on Pseudo hologram - Google Patents

Abstract

An embodiment of the present invention is a display system using a Pseudo hologram. The display system includes: a projector for projecting an image at a certain angle to the bottom; a reflecting plate for reflecting the image projected in the projector; and a foil in which the image reflected by the reflecting plate to pass and be projected to a hologram-shaped three-dimensional image. The reflecting plate comprises: a plurality of driving rods driven upward and downward directions corresponding to the three-dimensional image projected in the projector; and a reflecting film installed on the driving rod to have a surface of the three-dimensional image. Accordingly, an image projected in a high resolution projector is reflected by the reflecting plate composed of the three-dimensional shape, and thereby an image suitable to the variation of a user view can be projected since the projected image has three-dimensional information.

Description

[0001] The present invention relates to a 3D display system based on Pseudo hologram,

The present invention relates to a three-dimensional display system, and more particularly, to a three-dimensional display system based on a pseudo hologram system.

As the information society is accelerating, not only the processing and transmission of information but also the expression of information are emerging as important issues. In particular, there is an increasing demand for a visual expression technology of information, and in particular, a demand for a three-dimensional display method and apparatus is increasing day by day. In order to solve the problems caused by the limited space and lack of exhibits, a new exhibition space is needed to meet the current trend of the importance of experience. Is required.

The augmented reality, hologram, projection mapping and other techniques are applied to maximize the exhibition effect. There is a limitation in conveying the original texture of the original exhibition material. The interest and the immersion of the viewer are deteriorated.

Accordingly, a pseudo hologram (pseudo hologram), which is an exhibition system capable of visualizing a virtual three-dimensional shape so as to view various exhibits in a limited space, is popular.

1 is a view showing a conventional pseudo hologram-based display system.

1, the pseudo-hologram system projects an image to be produced or displayed through a high-resolution projector 11 onto a reflection plate 13 located on the floor, and is inclined at an angle of 45 degrees with the projected image stage 14 And is reflected by the foil (12). The reflected image is displayed as a final image 15 with the same effect as when it passes through the foil 13 and floats on the stage 14.

However, since the pseudo hologram system is a pseudo system that makes a pseudo hologram system look like a three-dimensional rather than a hologram that makes a perfect three-dimensional shape, since the image projected from the high-resolution projector 11 is projected onto the two- The reflected final image does not have three-dimensional information. Accordingly, when the user's viewpoint changes in the left-right direction, the final image 15 does not reflect the change according to the viewpoint, and the user who views the hologram in which the three-dimensional shape information is not reflected, It may be a factor that deteriorates the merchantability of exhibits or display images.

It is an object of the present invention to provide a pseudo hologram-based display system in which an image projected in an arbitrary space includes three-dimensional shape information so that a shape naturally matches with a user's viewpoint change .

An embodiment of the present invention is a display system using a pseudo hologram, comprising: a projector for projecting an image downward at a predetermined angle; A reflection plate for reflecting the image projected from the projector; And a foil through which the image reflected by the reflection plate passes and is projected as a hologram-shaped stereoscopic image, wherein the reflection plate includes a plurality of driving rods driven in a vertical direction so as to correspond to a three-dimensional image of an image projected from the projector, And a reflecting film having a surface of the three-dimensional image, which is mounted on the driving shaft.

The driving bar may be spaced apart from the reflector by a predetermined distance and may be arranged in a matrix. The driving bar may be raised or lowered according to depth information of an image projected by the projector, so that the surface of the reflective film has a three- .

The controller may further include a controller coupled to the projector and the reflector, and the controller may transmit the image to be displayed or displayed on the projector and the reflector. The analysis unit may analyze the depth information of the image transmitted from the control unit and the three-dimensional shape information in real time to control the operation of the driving rod provided on the reflection plate.

Another embodiment of the present invention is a projector comprising: a projector for projecting an image downward at a predetermined angle; A reflection plate for reflecting the image projected from the projector; And a foil through which the image reflected by the reflection plate passes and is projected as a hologram-shaped stereoscopic image. The reflection plate may be formed of reflection plates capable of being partially driven in accordance with an image projected from the projector.

According to an embodiment of the present invention, in an exhibition system using a pseudo hologram, an image projected from a high-resolution projector is reflected by a reflection plate having a three-dimensional shape, so that an image projected has three-dimensional information, .

According to the embodiment, since the projected image has three-dimensional information, the user can feel the extremely realistic sense of expression of the exhibit, and the user can experience the immersive feeling like the reality at the exhibition or the performance hall.

1 is a view showing a main configuration of a display system using a conventional pseudo hologram;
2 is a view showing a main configuration of a base display system using a pseudo hologram according to an embodiment
3 is a perspective view showing a reflector of a display system using a pseudo hologram according to an embodiment.
4 is a cross-sectional view showing a reflector of an exhibition system using a pseudo hologram according to an embodiment
5 is a view showing an example of a display system using a pseudo hologram according to the embodiment
5 is a view showing an exhibition system using a pseudo hologram based on another embodiment

The embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited to these embodiments. In describing the present invention, a detailed description of well-known functions or constructions may be omitted for the sake of clarity of the present invention.

FIG. 2 is a view showing a main configuration of a base display system using a pseudo hologram according to an embodiment. Referring to FIG. 2, the pseudo hologram system of the embodiment may include a projector 21, a reflector 30, a foil 22, and a stage 24 for providing a space where an image is formed.

The projector 21 is fixed to the stage ceiling and projects images previously recorded for directing toward the floor installed on the stage floor. At the bottom of the stage, a reflection plate 30 is installed. The reflection plate 30 receives the image shot by the projector 21 and reflects the image to a transparent foil 22 installed on the stage at a 45 degree angle. The foil 22 is inclined at an angle of 45 degrees toward the viewer, and the image passing through the foil 22 has the same effect as floating in the air, thereby allowing the viewer to feel 3D stereoscopic feeling.

The embodiment is characterized in that the reflector 30 for reflecting the image emitted from the projector 21 is characterized in that the reflector 21 proposed in the embodiment is capable of reflecting three-dimensional information according to the image of the projected image Hereinafter, this will be described in detail.

3 is a perspective view showing a reflector of a display system using a pseudo hologram according to an embodiment.

Referring to FIG. 3, the reflection plate 30 of the pseudo hologram according to the embodiment may include a driving bar 32 and a tension adjusting unit 31 that can vary in height.

The driving rods 32 may be arranged in a matrix and spaced apart from each other by a predetermined distance. The number of spherical rods 32 may be adjusted according to the resolution characteristics of the image to be projected. For example, in order to reflect a precise image having many curved surfaces, such as a human face, in three dimensions, the distance between the grips must be formed so as to indicate at least the depth of the human face.

The tension adjusting unit 31 is provided to adjust the tension of the reflective film that is placed on the driving bar 32 and forms a three-dimensional surface. The tension adjusting unit 31 is provided with a plurality of . The tension adjuster 31 at an arbitrary position is rotated according to the surface characteristics of the image to adjust the tension of the reflective film. That is, when the image has a large amount of information in the plane direction, the tension of the reflective film can be controlled to be large, and in the opposite case, the tension of the reflective film can be controlled to be small.

4 is a cross-sectional view showing a reflector of a display system using a pseudo hologram according to an embodiment.

Referring to FIG. 4, the reflection plate 30 is an area where an image projected from the projector is formed. When the surface of the area is formed in two dimensions, the image passing through the foil, which is a transparent film, And only the three-dimensional image information is provided for the viewpoint. Accordingly, in this embodiment, a method of constructing the surface of the reflection plate 30 in three dimensions so that the image reflected by the foil has three-dimensional information will be described.

Although not shown in the figure, a control unit connected to the projector and the reflection plate 30 in a wired or wireless manner may be provided for interaction with the projector. The controller analyzes depth information and three-dimensional information of an image reflected from the projector and controls driving of the reflector 30 in real time. The controller may further include a driver for performing the movement of the driving rod 32 according to the image information received from the controller.

The driving unit may include power means for controlling the movement of each of the driving rods 32 and power transmission devices for driving the driving rods up and down. As one example, the driving unit of the embodiment may be constituted by a DC motor, and a screw portion may be formed at the lower end of each driving rod, and a rotating shaft connected to the screw portion may be provided. The rotating shaft is rotated according to the rotation of the DC motor, and the threaded portion can be inserted into or drawn out from the groove of the reflecting plate according to the rotating direction so that the height thereof can be adjusted.

As another example, the driving unit of the embodiment may be configured as a servomotor, and the servomotor interlocks the shaft connected to the reflector in the vertical direction. The shaft is connected to the driving rods, and the height of the driving rods can be adjusted by driving the driving rods along the rotation direction of the shaft in accordance with the rotation of the servo motor.

As another example, the driving unit of the embodiment may be constituted by a DC motor, a circular gear may be formed on the upper surface of the reflection plate, and a vertical gear unit engaged with the circular gear and connected to the driving rod may be provided. As the DC motor rotates, the circular gear rotates, and the circular gear meshes with the vertical gear so that the height of the ball can be adjusted up and down according to the rotation direction.

As described above, the driving rods 32 arranged in a matrix form on the reflection plate 30 according to the depth information and the three-dimensional information of the image analyzed by the control unit can be individually varied in height to correspond to the image information. That is, the height of each of the driving rods 32 is controlled differently, and if the highest point of the driving rods 32 is virtually connected, a three-dimensional curved surface can be formed.

According to an image projected from the projector, the driving rod must be controlled in real time according to a three-dimensional image analyzed by a control unit, and an image projected from a projector and an image reflected by an operation of a driving rod are synchronized, And a synchro section for eliminating the synchro section.

A reflective film 33 serving as a screen for reflecting the image projected from the projector is provided on the upper portion of the driving rods 32. As each of the driving rods 32 is driven in the vertical direction while supporting the reflective film 33, a curved surface having three-dimensional information is formed on the reflective film 33. The reflective film 33 may be made of a material such as silicon, rubber, or cloth to form a smooth and smooth three-dimensional curved surface.

The end portion of the reflection film 33 along the side surface of the reflection plate 30 may be connected to a plurality of tension regulators 31.

The tension regulator 31 is provided so that the surface of the reflective film 33 can be kept constant by the lifting rod 32 which is lifted or lowered, And the like. In addition, the inclination of the curved surface formed between the driving rods 32 can be adjusted according to the three-dimensional image image projected through the tension adjuster 31.

The present embodiment is a modification of the structure of a conventional two-dimensional planar reflector, in which a driving rod spaced apart by a predetermined distance is arranged in a matrix form, and each driving rod is raised or lowered to form a three- Reflective structure.

Accordingly, in a display system using a pseudo hologram, an image projected from a high-resolution projector is reflected by a reflector constituting the surface of a three-dimensional shape, so that an image projected has three-dimensional information, so that an appropriate image is projected .

Since the projected image has three-dimensional information, the user can feel extreme realistic sense of the exhibit, and the user can experience the immersion feeling in the exhibition or the performance hall.

In addition, the embodiment can have an advantageous effect in three-dimensionally expressing a shape composed of various curved surfaces such as a human face.

In this embodiment, a full 3D hologram system capable of viewing the entire three-dimensional shape can be constructed by expanding the foil on which the image of the hologram is formed to four sides.

5 is a view showing an example of a display system using a pseudo hologram according to the embodiment. Referring to FIG. 5, the display system using the pseudo hologram according to the embodiment can be largely composed of an image portion, a control portion, a projection portion, a reflection portion, a conversion portion, and a driving portion.

The image unit is a means for securing an image of an actual object, and may include a known high resolution camera or the like. The image of the object photographed by the camera can be edited and stored as an image to be rendered through the control unit.

The control unit transmits the image to be rendered to the projection unit and the conversion unit. The projection unit projects the transmitted image to the reflection unit through the high-resolution projector 21, and the conversion unit derives the depth information of the transmitted image and transmits the depth information to the driving unit.

The driving unit determines the height values of the driving rods arranged in a matrix form according to the depth information of the image, and performs up and down driving of each driving rod through the driving source. When the height of each of the driving rods is adjusted as described above, the image projected from the projector 21 is reflected by the surface of the reflecting portion formed by the driving rods, so that an image having three- Lt; / RTI >

That is, the display system of the embodiment determines the height value of the driving unit by deriving the depth information of the image in the control unit so that the image to be displayed or displayed has a three-dimensional image having no sense of unevenness according to the movement of the viewpoint. The image projected by the projection unit is synchronized with the three-dimensional surface formed by the driving unit in real time, so that even when the image is changed, it is possible to carry out a non-uniform conversion.

FIG. 6 is a view illustrating a pseudo hologram-based display system according to another embodiment. Referring to FIG. 6, the pseudo hologram system of another embodiment may include a projector 21, a reflector 30, a foil 22, and a stage 24 for providing a space where an image is formed.

The role of each configuration is the same as that of the embodiment shown in Figs. 3 to 4. In this embodiment, the shape of the reflection plate 40 may be differently formed.

The embodiment may be made up of reflectors 41, 42, and 43 that can be partially driven by the reflector 40 in accordance with an image projected from the projector. Each of the reflection plates 41, 42, and 43 may be formed of a plurality of reflection plates having different shapes, and each of the reflection plates 41, 42, and 43 may be raised or lowered at different heights So that the height can be adjusted. In other words, a step d is formed between each reflection plate, which gives a depth feeling to the reflected image, thereby allowing the user to enjoy the image 26 with the three-dimensional effect added thereto.

Similarly, the controller may further include a controller connected to the projector and the reflector 40. The controller may analyze the three-dimensional information of the image projected from the projector in real time to adjust the height of the reflectors. The apparatus may further include a synchronizer for synchronizing three-dimensional shape information by driving the reflection plate according to an image projected from the projector.

The present embodiment can be more suitably applied to an example in which a motionless image is divided into a foreground and a background and a depth sense thereof is displayed rather than a three-dimensional curved surface of an image made of a curved surface.

Therefore, in the display system using the pseudo hologram using the virtual hologram system, the embodiment can realize a three-dimensional shape without a sense of coherence according to the movement of the user's viewpoint.

In this embodiment, a full 3D hologram system capable of viewing the entire three-dimensional shape can be constructed by expanding the foil on which the image of the hologram is formed to four sides.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood that various modifications and applications other than those described above are possible. For example, each component specifically shown in the embodiments of the present invention can be modified and implemented. It is to be understood that all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

21: Projector
32: foil
30, 40: reflector
24: Stage
31:
32: District Attached
33:

Claims (13)

A projector for projecting an image downward at a predetermined angle;
A reflection plate for reflecting the image projected from the projector; And
And a foil through which the image reflected by the reflection plate passes and is projected as a hologram-shaped stereoscopic image,
The reflector includes a plurality of driving rods driven in a vertical direction to correspond to a three-dimensional image of an image projected from the projector,
And a reflection film formed on the driving bar to form a surface of the three-dimensional image. The method according to claim 1,
Wherein the drive rods are spaced apart from each other by a predetermined distance in the reflection plate and arranged in a matrix form. The method according to claim 1,
And a control unit connected to the projector and the reflector, wherein the control unit transmits the image to be displayed or displayed on the projector and the reflector using the pseudo hologram. The method of claim 3,
The analysis unit analyzes the depth information and three-dimensional shape information of the image transmitted from the control unit in real time and displays the pseudo hologram using the pseudo hologram system. 5. The method of claim 4,
Wherein the driving rod is set to a height value according to depth information of an image derived by the analyzing unit and is driven so that the surface of the reflection film has a three-dimensional curved surface so as to correspond to the height value, system. The method according to claim 1,
Wherein the driving unit is provided with a driving unit for driving the driving bar in a vertical direction and the driving unit is composed of a DC motor or a servo motor and the height of the driving bar is determined according to the rotation of the motor. The method according to claim 1,
Further comprising: a synchronizing unit synchronizing the three-dimensional shape information by driving the driving bar according to an image projected from the projector. The method according to claim 1,
And a plurality of tension adjusting parts connected to the reflection plate are provided around the reflection plate, and the tension adjusting part adjusts the tension of the reflection film to adjust the curved surface inclination of the three-dimensional shape. The method according to claim 1,
The reflective film is a screen for reflecting an image projected from the projector, and is a display system using a pseudo hologram composed of a material such as cloth, rubber, or silicone. A projector for projecting an image downward at a predetermined angle;
A reflection plate for reflecting the image projected from the projector; And
And a foil through which the image reflected by the reflection plate passes and is projected as a hologram-shaped stereoscopic image,
Wherein the reflection plate comprises reflection plates partially driven in part according to an image projected from the projector. 11. The method of claim 10,
Wherein the reflection plate is composed of a plurality of reflection plates having different shapes, and each reflection plate is raised or lowered at different heights according to the image to be projected, and the height is adjusted. 11. The method of claim 10,
And a control unit connected to the projector and the reflection plate. The control unit analyzes the three-dimensional information of the image projected from the projector in real time and adjusts the height of the reflection plates. 11. The method of claim 10,
Further comprising a synchro mechanism for synchronizing three-dimensional shape information by driving the reflection plate according to an image projected from the projector.

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