JP2005292654A - Three-dimensional presentation apparatus, system, and method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To give a presentation using a model which is close to or more than an actual thing without using a precise solid model 18. <P>SOLUTION: A support base 14 where a main screen 16 in which a specified background image is formed and which is nearly flat on the whole is formed and a solid model 18 having a sub-screen 22 which is arranged on the main screen 16 and shaped into the outline of an arbitrary object, and where a prescribed decoration image is formed, are used. A single projection beam 26 is emitted from the side of a view point 28 where the main screen 16 and sub-screen 22 can be appreciated at the same time. This projection device 24 form the background image and decoration image on the main screen 16 and sub-screen 22 at the same time. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a three-dimensional presentation apparatus, a three-dimensional presentation system, and a three-dimensional presentation method that are used in applications using a combination of a three-dimensional model and an image.

For example, when a design plan for a large-scale high-rise apartment is introduced, a design drawing, a completion prediction drawing, or the like is used. In addition, the completed state is introduced by CG (computer graphic), and for example, a detailed depiction of equipment from the viewpoint of a person walking in a passage or community space from the entrance of the apartment to a room in the apartment is used. Furthermore, what made the solid model of an apartment is also used. These presentation methods are used for sales promotion of condominiums. Various methods of expressing a three-dimensional image of an article using computer technology such as CG have been developed, and these technologies can also be used. (Patent Document 1, Patent Document 2)
JP 2002-73003 A JP 2002-27494 A

Here, the conventional three-dimensional presentation apparatus has the following problems to be solved.
Even if the blueprints and completion drawings are elaborately detailed, there is a problem that the three-dimensional effect is poor and it is difficult to grasp the entire building or facilities as a real feeling. In addition, if a CG movie or an elaborate three-dimensional model is used, it is very easy to understand, but there is a problem that production time and cost are enormous.
The present invention has been made paying attention to the above points. A three-dimensional presentation apparatus and a three-dimensional presentation apparatus that can present a very elaborate three-dimensional space using a relatively simple three-dimensional model. It is an object to provide a three-dimensional presentation system and a three-dimensional presentation method.

In each embodiment of the present invention, the above-described problems are solved by the following configurations.
<Configuration 1>
A support base for forming a predetermined background image and forming a substantially flat main screen as a whole, and a shape arranged on the main screen and taking the outline of an arbitrary object, and a predetermined decorative image A single projection beam is emitted from the viewpoint that can simultaneously view the main screen and the sub-screen above the main screen, and a three-dimensional model having a sub-screen to form an image, A three-dimensional presentation device comprising: a projection device that simultaneously forms the background image and the decoration image on the main screen and the sub screen.

  The background image is imaged on the almost flat main screen, and the decoration image representing the appearance of the 3D model is imaged on the sub-screen on the 3D model. You can show a model close to or more than the real model. Therefore, it is effective for introducing large-scale condominium facilities and introducing models that replicate real objects in museums and art galleries.

<Configuration 2>
A support base for forming a predetermined background image and forming a substantially flat main screen as a whole, and a shape arranged on the main screen and taking the outline of an arbitrary object, and a predetermined decorative image A three-dimensional model having a sub-screen for forming an image, and a single projection beam that is above the main screen and that emits a single projection beam from the viewpoint side where the main screen and the sub-screen can be viewed simultaneously. A projection device that simultaneously forms the background image and the decoration image on the main screen and the sub-screen, a designation unit that divides the main screen into a plurality of areas, and designates one of the areas; Narration selection means for selecting narration data corresponding to the specified area and outputting it to the audio device; Image data selection means for selecting image data corresponding to the image data and outputting the image data to the projection apparatus; and a focus adjustment means for controlling the projection apparatus so as to focus on a designated area. 3D presentation system.

  When the projection beam is launched from a direction inclined with respect to the in-screen, the area of the main screen is large compared to the distance from the projection device, it is not easy to focus on the entire main screen. Therefore, the areas to be focused are limited and designated in order. The focus adjusting means dynamically changes the focus of the projection apparatus according to this order. Thereby, the three-dimensional model on a support stand is introduced with a narration in a predetermined order. Other parts may not be in focus.

<Configuration 3>
3. The three-dimensional presentation apparatus according to Configuration 1 or 2, wherein the three-dimensional model is a shape of an object whose appearance changes over time.

  If the image displayed on the sub-screen displays the appearance of an object that changes over time, an effect comparable to a precise model with movement can be obtained. For example, a moving image is displayed on the sub-screen. Alternatively, it reflects the state of trees that change gradually with the changing seasons.

<Configuration 4>
A three-dimensional space having the size of A in the X-axis direction, B in the Y-axis direction, and C in the Z-axis direction and satisfying the conditions of A >> C, B >> C is set in the ZX plane. For any location in the three-dimensional space, a projection beam is emitted from a direction inclined at an angle α or more toward the X-axis direction with respect to the Z-axis, and a predetermined image is displayed in the three-dimensional space. A projection device that forms an image on a main screen in the XY plane; and a thickness in the Z-axis direction in the three-dimensional space, and the X-axis in the Z-X plane with respect to the Z-axis. It has a surface that can be seen from a viewpoint placed in a direction inclined by an angle β (minimum value of β <β) toward the axial direction, and has taken the outline of an object whose appearance changes over time, 3D characterized by having a sub-screen fixed on the main screen Presentation system.

  Optimize the position of the main screen and sub-screen. A main screen in the XY plane in a three-dimensional space having a size of A in the X-axis direction, B in the Y-axis direction, and C in the Z-axis direction and satisfying the conditions of A >> C and B >> C On the top, a substantially rectangular image is formed while correcting the distortion. The image beam is irradiated from a direction inclined with respect to the main screen, and the image is viewed from almost the same direction.

<Configuration 5>
A sub-screen on which a predetermined decorative image is formed on a support base on which a predetermined background image is formed and a generally flat main screen is formed. A three-dimensional model is arranged, and a single projection beam is emitted from a viewpoint side above the main screen where the main screen and the sub-screen can be viewed at the same time. And a sub-screen for simultaneously forming the background image and the decoration image.

  Hereinafter, embodiments of the present invention will be described in detail for each example.

FIG. 1 is a side view of the three-dimensional presentation apparatus according to the first embodiment.
[Description of structure]
The illustrated three-dimensional presentation apparatus 12 includes a support base 14 on which a main screen 16 that is substantially flat as a whole is formed to form a predetermined background image. On the main screen 16, a three-dimensional model 18 having a sub-screen 22 for forming a predetermined decorative image is arranged. A viewpoint 28 is placed above the main screen 16 at a place where the main screen 16 and the sub-screen 22 can be viewed simultaneously. In other words, the audience stands here. From this viewpoint 28 side, the projection device 24 launches a projection beam 26. The projection device 24 emits a single projection beam 26 and simultaneously forms a background image and a decoration image on the main screen 16 and the sub-screen 22 by the single projection beam 26.

  The contents of the background image and the decoration image are arbitrary. The decorative image is an image that makes the three-dimensional model 18 having a relatively simple outer shape look like a real one. The background image may be the same, but preferably has a content that enhances the three-dimensional model 18 on which the decorative image is projected. The main screen 16 may be substantially flat as a whole. For example, the main screen 16 may be curved or uneven so as not to prevent the projection beam 26 from reaching the sub-screen 22 of the three-dimensional model 18.

  In this embodiment, a background image and a decoration image are simultaneously formed on the sub-screen 22 and the main screen 16 by a single projection beam 26. If the area of the main screen 16 is sufficiently small, the sub-screen 22 and the main screen 16 are simultaneously focused. If a projection beam 26 is launched from the viewpoint 28 side above the main screen 16 where the main screen 16 and the sub-screen 22 can be viewed simultaneously, the entire structure in which the elaborate three-dimensional model 18 is arranged on the support base 14 is obtained. I can appreciate it. The projection device 24 may be on the viewpoint 28 side, and the installation location is arbitrary.

  The three-dimensional model 18 is a three-dimensional object that is freely assembled separately from the support base 14. The sub screen 22 is independent of the main screen 16 and is on the three-dimensional model 18. The sub screen 22 may be flat or curved. At least, it has intersecting surfaces that are not parallel to the main screen 16. Since the sub-screen 22 is a surface facing the viewpoint 28 side, the stereoscopic model 18 appears to be decorated with a decorative image when viewed from the viewpoint 28 side.

[Specific design]
In addition, the apparatus of a figure is designed as follows, for example. First, let the horizontal direction of a figure, ie, a direction parallel to the main screen 16, be an X-axis direction. The vertical direction, that is, the direction perpendicular to the main screen 16 is defined as the Y-axis direction. Also, the direction perpendicular to the paper surface of the drawing is taken as the Z-axis direction. As shown in the figure, a three-dimensional space 94 having a size of A in the X-axis direction, B in the Y-axis direction, and C in the Z-axis direction and satisfying the conditions of A >> C and B >> C is set. The three-dimensional space 94 includes the support 14 and the three-dimensional model 18. In short, the background image and the decoration image are designed to form an image in a three-dimensional space 94 having a rectangular parallelepiped shape with a relatively small thickness.

  Next, the projection angle of the projection beam is determined. In any of the three-dimensional spaces 94 in the Z-X plane, the projection beam 26 is emitted using the projection device 24 from a direction inclined at an angle α or more with respect to the Z axis in the X axis direction. To do. Then, a predetermined image is formed on the main screen 16 in the XY plane in the three-dimensional space 94. The three-dimensional model 18 provided with the sub-screen 22 is assumed to have a thickness in the Z-axis direction in the three-dimensional space 94. The solid model 18 is provided with a surface that can be seen from the viewpoint 28 placed in a direction inclined by an angle β (minimum value of α <β) in the Z-axis direction in the Z-X plane in the X-axis direction.

  As described above, the positional relationship between the main screen 16 and the sub-screen 22 is optimized. Main in the XY plane in a three-dimensional space 94 having a size of A in the X-axis direction, B in the Y-axis direction, and C in the Z-axis direction and satisfying the conditions of A >> C and B >> C A substantially rectangular image is formed on the screen 16 while correcting the distortion. The image beam is irradiated from a direction inclined with respect to the main screen 16 and is viewed from substantially the same direction.

[Description of operation]
For example, as a sales strategy for large-scale condominiums, the exterior and interior of a showroom are introduced by decorating a model of the entire site, one-tenths of the actual size. There are many cases of using narration by an announcer and a screen displaying narration and explanation. In the past, this model of the entire site was realized by extremely sophisticated work. In the present invention, first, the image of the background screen is projected on the entire support base 14 using the projection device 24. The projection device 24 is constituted by a liquid crystal projector or the like. Since the projection beam 26 is irradiated obliquely from the three-dimensional model 18 side, the contour of the image may be corrected using a well-known technique such as trapezoid correction.

  An arbitrary decorative image is displayed on the sub-screen 22 provided on the three-dimensional model 18 assembled on the support base 14. For example, it is possible to independently project a background image and a decoration image using a plurality of liquid crystal projectors. However, when optical images are superimposed, it becomes brighter and the contrast decreases. In addition, the cost is increased and the control is complicated. In this embodiment, a predetermined image is projected on the main screen 16 and the sub-screen 22 at a time using a single projection device 24.

  The solid model 18 is a model of a fitness club building, for example. In the past, elaborate outer walls and windows were attached, and a model in which a fitness club user's doll or equipment was fitted was made. This is very time consuming and expensive. According to this embodiment, the outer wall of the three-dimensional model 18 may be a simple white wall. The projection device 24 is used to project an image of the building outer wall, window, or fitness club user on the sub-screen 22. You can also see how the user is actually exercising. By focusing on the sub-screen 22, a very precise image can be used. An arbitrary number of models having such sub-screens can be arranged on the support base 14.

FIG. 2 is a longitudinal sectional view showing an example of a showroom.
A showroom for sales promotion of a large-scale condominium has a structure as shown in the figure, for example. A narration display screen 30 is arranged on one wall of the showroom, and a narration and other commentary screens are projected on the screen using the projection device 40. A support base 14 is disposed in front of the narration display screen 30. Further, a spectator seat 32 is formed on the doll platform, and a chair 34 is arranged. The spectator 36 sits on the chair 34 and views the narration display screen 30 and the support table 14. The projection device 42 reflects a projection beam 48 using a mirror 44 and projects a predetermined image on the support base 14.

  Along with the above video display, the narration is broadcast using an audio system (not shown). For narration, it is advisable to modularize a pre-recorded recording for each object to be explained and store it as digital data in a storage device of a computer. Of course, it may be broadcast endlessly with a tape recorder, or the operator may actually explain with a microphone. In accordance with this narration, the different focal points are adjusted with respect to the various sub-screens 22 arranged on the support base 14, and the corresponding buildings and facilities are presented.

FIG. 3 is an explanatory diagram of images projected on the main screen and the sub screen.
As described above, the projection beam is launched from an obliquely upward direction of the main screen. Accordingly, the image displayed on the main screen is substantially trapezoidal as a whole as shown in the upper right of the figure. Since the main screen has a rectangular shape, the entire image 88 may be cut by well-known correction control. However, when the presentation is focused on a specific sub-screen on the main screen as in this embodiment, it is only necessary to make the entire video image 88 sufficiently dark.

  Further, as shown in the figure, the protruding portion 90 is divided by a broken line, and each time an image 92 in a specific region is focused. As shown in the center of the figure, the three-dimensional space 94 is a rectangular parallelepiped having a thickness corresponding to the width of the main screen and the height of the sub-screen. In this, the solid model 18 is arrange | positioned. A sub-screen 22 is provided on one surface of the three-dimensional model 18. The sub-screen 22 faces the projection device. On the sub-screen 22, for example, an athletic club window or an image of the user is displayed. These can be very detailed and specific, and are moving images, so they are impressive for the audience 36. As a result, an effective presentation is possible.

  As shown in the figure, it is preferable that the three-dimensional model 18 and the implant 20 have a shape of an object whose appearance changes with the passage of time. A moving image is displayed on the sub-screen 22 of the three-dimensional model 18. You can reproduce scenes where people are passing or people are moving. In addition, the sub-screen 22 of the planting 20 displays the state of trees that gradually change as the seasons change. Slowly replace the images for each season.

FIG. 4 is a block diagram of a control unit of the three-dimensional presentation system according to the second embodiment.
The system shown in the figure is for controlling the apparatus as shown in FIG. 2, and includes, for example, a personal computer. This system includes a display 50, a storage device 60, an arithmetic processing device 74, an audio circuit 84, and a liquid crystal projector 86. In the illustrated display 50, a section designation screen 52, an automatic button 51, and a manual button 53 are displayed. The storage device 60 stores narration data 62 and image data 68.

  The narration data 62 is data in which a narration 66 is stored so as to correspond to the section 64. The narration 66 is audio data, image data, or both. The image data 68 is data in which the scene 72 is stored so as to correspond to the section 70. The scene 72 may be still image data or moving image data. The arithmetic processing unit 74 is provided with a narration selection means 76, an image data selection means 78, a focus adjustment means 80, and a video distortion correction means 82.

  The mouse 25 is a designation unit that divides a section designation screen 52 that looks like the main screen 16 into a plurality of areas 54 and designates any one of the areas 54. In this example, the operator operates the mouse to specify an area. The narration selection means 76 has a function of selecting the narration 66 corresponding to the designated area 54 from the narration data 62 and outputting it to the audio device 84. The image data selection means 78 has a function of selecting a scene 72 corresponding to the designated area 54 from the image data 68 and outputting it to the liquid crystal projector 86 (projection device). The focus adjusting unit 80 has a function of controlling the projection apparatus so as to focus on the designated area 54.

  As described with reference to FIG. 3, when the projection beam is emitted from a direction inclined with respect to the main screen 16, the area of the main screen 16 is large compared to the distance from the projection device. It is not easy to focus. Therefore, the area 54 to be focused is limited and designated in order. The focus adjusting unit 80 dynamically changes the focus of the projection apparatus according to this order. Thereby, the three-dimensional model 18 on the support base 14 (FIG. 2) is introduced with the narration 66 in a predetermined order. Other parts may not be in focus.

  The designation means may be a man-machine interface that is artificially operated by an operator, or a computer program that automatically designates the area 54 in a predetermined order based on information scheduled in advance. For example, it is well known to shine a spotlight on a building model built on a three-dimensional map model, etc., or to turn on an indicator lamp, but if the building model is not elaborate, the difference from the real thing will be It is too intense and does not feel real. In this embodiment, since the decoration image is projected in focus on the three-dimensional model 18 that is the subject of the narration 66, a high presentation effect is exhibited.

  For example, when the cursor 58 is moved by the projection beam 26 shown in the figure and any of the cursors 58 on the section designation screen 52 is selected, the narration selection means 76 and the image data selection means 78 select the corresponding narration 66 and scene 72. . The automatic button 51 is clicked when this selection operation is automatically performed by a program prepared in advance. The manual button 53 is clicked when the operator manually selects the area 54.

FIG. 5 is a perspective view of two states for explaining the operation of the above three-dimensional presentation apparatus, and FIG. 6 is an operation flowchart thereof.
A specific operation of the three-dimensional presentation apparatus of the present invention will be described with reference to the above drawings. First, in the showroom as shown in FIG. 2, the audio circuit 84 and the liquid crystal projector 86 shown in FIG. 4 are activated (step S11). When the control device as shown in FIG. 4 is activated at the same time, a control screen is displayed on the display 50. In the next step S13, the automatic control program is started by clicking the automatic button 51. Initially, an initial screen focused on the center of the main screen should be displayed. The screen content will give you a full view.

  Thereafter, the program automatically selects the region 54 in a predetermined order (step S14). In step S15, the narration selection means 76 searches the storage device 60 and selects the corresponding narration data from the narration data 62. In step S <b> 17, the image data selection unit 78 searches the storage device 60 and selects the corresponding image data scene 72 from the image data 68. Further, in step S19, the focus adjusting unit 80 adjusts the focus to 86 in accordance with the area. Note that the video distortion correction unit 82 may adjust the image distortion as needed at an arbitrary timing.

  As a result, as shown in FIG. 5A, for example, the three-dimensional model 18 on the support base 14 is lit up, and a decoration image is displayed on the sub-screen 22. An image corresponding to the narration is displayed on the narration display screen 30. In step S20, the arithmetic processing unit 74 determines whether there is a next area. If the result of this determination is yes, the process proceeds to step S14, and if no, all the processes are terminated. Here, for example, when the next area is designated, the state shown in FIG. 5A shifts to the state shown in FIG. In FIG. 5B, the focus is on the region near the center of the support base 14. The display of the narration display screen 30 is also switched at the same time.

  As shown in FIG.5 (b), a subscreen is formed on the model of a plant shape, the model of a wall and other various structures. Two or more areas may be selected at the same time. It is sufficient if the focus adjustment can be performed uniformly with one projection apparatus. For example, it is assumed that there are 16 main screen areas from (1, 1) to (4, 4). At this time, the region to be focused and the display time are determined and controlled. That is, control data is created as [(3, 2), 10], [(2, 1), 15]. For example, it means to focus on the area (2,1) for 15 seconds. An area with the same distance from the projection device is automatically focused simultaneously. Depending on the content of the image, it may be determined whether one of the areas is to be narrated or both areas are to be narrated. The portion that does not require a fine image may be slightly out of focus. In addition, a plurality of narrations may be selected by specifying one area, or a plurality of scenes may be selected. There may be no sound and narration using only letters may be used. By combining the above controls, various forms of presentation can be made with images, narration, and models.

1 is a side view of a three-dimensional presentation device according to Embodiment 1. FIG. It is a longitudinal cross-sectional view which shows an example of a showroom. It is explanatory drawing of the image | video projected on a main screen and a subscreen. FIG. 10 is a block diagram of a control unit of the three-dimensional presentation system according to the second embodiment. The perspective view of two types of states explaining operation | movement of a three-dimensional presentation apparatus. It is an operation | movement flowchart of a three-dimensional presentation apparatus.

Explanation of symbols

12 3D presentation device 14 Support stand 16 Main screen 18 Solid model 20 Implantation 22 Sub screen 24 Projection device 26 Projection beam 28 View point

Claims (5)

A support base that forms a predetermined background image and forms a substantially flat main screen as a whole;
A solid model that is arranged on the main screen and has a shape that takes the outline of an arbitrary object, and has a sub-screen that forms a predetermined decorative image;
From the viewpoint side where the main screen and the sub screen above the main screen can be simultaneously viewed, a single projection beam is emitted, and the background image and the main screen and the sub screen are simultaneously emitted by the single projection beam. A three-dimensional presentation device comprising a projection device that forms a decorative image. A support base that forms a predetermined background image and forms a substantially flat main screen as a whole;
A solid model that is arranged on the main screen and has a shape that takes the outline of an arbitrary object, and has a sub-screen that forms a predetermined decorative image;
A single projection beam is emitted from a viewpoint side above the main screen where the main screen and the sub screen can be viewed simultaneously, and the background is simultaneously applied to the main screen and the sub screen by the single projection beam. A projection device for forming an image and a decorative image;
A designation means for dividing the main screen into a plurality of areas and designating one of the areas;
Narration selection means for selecting and outputting narration data corresponding to a specified area;
Image data selection means for selecting image data corresponding to the designated area and outputting to the projection device;
A three-dimensional presentation system comprising: a focus adjustment unit that controls the projection device so as to focus on a designated area. The three-dimensional presentation apparatus according to claim 1 or 2,
3. The three-dimensional presentation apparatus according to claim 3, wherein the three-dimensional model is a shape of an object whose appearance changes over time. A three-dimensional space having a size of A in the X-axis direction, B in the Y-axis direction, and C in the Z-axis direction and satisfying the conditions of A >> C, B >> C,
In any of the three-dimensional spaces in the Z-X plane, a projection beam is emitted from a direction inclined at an angle α or more toward the X-axis direction with respect to the Z-axis to obtain a predetermined image. A projection device that forms an image on a main screen in an XY plane in the three-dimensional space;
In the three-dimensional space, it has a thickness in the Z-axis direction, and is inclined by an angle β (minimum value of α <β) toward the X-axis direction with respect to the Z-axis in the Z-X plane. It has a surface that can be seen from a viewpoint placed in a direction, and has an outline of an object whose appearance changes over time, and includes a sub-screen fixed on the main screen. 3D presentation system. A sub-screen on which a predetermined decorative image is formed on a support base on which a predetermined background image is formed and a generally flat main screen is formed. Place a three-dimensional model with
A single projection beam is emitted from a viewpoint side above the main screen where the main screen and the sub screen can be viewed simultaneously, and the background is simultaneously applied to the main screen and the sub screen by the single projection beam. A three-dimensional presentation method characterized by forming an image and a decorative image.

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