JP2001025034A - 3D image display system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stereoscopic image display system capable of tactually recognizing images and visually displaying the images with perspective as well. SOLUTION: This system is provided with an image processing computer 2 for emboss-working image information and converting the emboss-worked emboss image information to perspective ruggedness information whose ruggedness degree is different corresponding to the images, and a ruggedness display 3 constituted so as to be freely vertically moved on a surface for respective dots for displaying the images as ruggedness information. By changing the projecting degrees of the respective dots, of the ruggedness display 3 corresponding to the perspective ruggedness information, the images are displayed on the ruggedness display 3 so as to be tactually recognized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-dimensional image display system for displaying an image three-dimensionally, and more particularly to a three-dimensional image display system which can be suitably used for recognizing an image of a visually impaired person or the like.

[0002]

2. Description of the Related Art As a conventional image projection system for a computer or the like, an image is generally displayed two-dimensionally using a cathode ray tube, a liquid crystal display or the like. In such a conventional method, an image is merely transmitted to the sight.

[0003]

In the prior art, it is difficult to accurately transmit image information to a visually impaired person, and information is transmitted by voice, that is, by converting characters into voice. The method of communicating is adopted. Therefore, there is no way to directly transmit the image information to the visually impaired.

The present invention has been made in view of the above-mentioned conventional circumstances, and provides a stereoscopic image display system capable of tactilely recognizing an image and displaying an image with a sense of perspective. With the goal.

[0005]

In order to achieve the above object, a stereoscopic image display system according to the present invention has a means for embossing image information and a degree of unevenness for embossed embossed image information according to an image. Means for converting into perspective unevenness information, and an unevenness display display configured to be vertically movable on each surface for each dot, and displaying an image as unevenness information, wherein the degree of protrusion of each dot of the unevenness display display is It is characterized in that an image is tactilely recognizable on the unevenness display by changing it in accordance with the perspective unevenness information.

In the present invention, since an image is displayed as uneven information on the uneven display, the image can be tactilely recognized by touching the surface of the uneven display with a hand or the like, and the visible information is converted to the tactile information. Can be displayed as Further, it is possible to obtain an image with a sense of perspective visually.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a block diagram showing a configuration of an embodiment of a stereoscopic image display system according to the present invention. In FIG. 1, 1 is a CCD camera, 2 is an image processing computer, and 3 is an unevenness display. C
Image data such as a still image and a moving image captured by the CD camera 1 is transmitted to the image processing computer 2 as dot information. The image processing computer 2 processes the transmitted image data, and when touched by hand on the unevenness display 3, the image can be tactilely recognized as an image and displayed as a stereoscopic image with a sense of perspective.

More specifically, the image processing computer 2 first performs embossing of image data, and performs processing of converting the obtained embossed image information into a plurality of levels of perspective unevenness information. Here, the perspective unevenness information is information indicating a perspective with different degrees of unevenness depending on a captured image.
FIG. 1 shows, for example, an example in which the telephone A is photographed by the CCD camera 1. However, when the image data of the telephone A is embossed by the image processing computer 2,
An embossed image having a perspective as shown as B in FIG. 1 is obtained.

The image processing computer 2 performs processing for converting the embossed image information into perspective projection information, and the obtained perspective projection information is sent to the projection display 3. In this embodiment, when the image processing computer 2 converts the embossed image information into the perspective unevenness information, for example, the image processing computer 2 converts the embossed image information into 16-level perspective unevenness information, and displays the image three-dimensionally by the 16-level unevenness.

The unevenness display 3 has a resolution of 800 × 600 dots as shown in FIG.
Further, as shown in FIG. 3, the unevenness display 3 is configured to be vertically movable such that each dot protrudes or retracts on the surface of the unevenness display 3 in 16 steps according to the perspective unevenness information. Therefore, the unevenness display 3
The degree of protrusion of each dot is set to 1 according to the perspective unevenness information.
By changing in six stages, an image can be tactilely recognized when the surface of the uneven display 3 is touched with a hand. In addition, the unevenness display 3 displays not only the image by the unevenness of each dot but also the image by color.

The image photographed by the CCD camera 1 in this manner is displayed on the unevenness display 3 as an unevenness image having a perspective as shown in FIG. In this case, as shown in FIG. 3, each dot of the unevenness display 3 protrudes in a plurality of stages according to the perspective unevenness information, so that when the unevenness display 3 is touched by hand, an image can be tactilely recognized. . In the example of FIG. 1, the telephone is displayed. However, since an image is displayed on the unevenness display 3 in accordance with the perspective unevenness information, an image having a sense of perspective is obtained, and a three-dimensional image is obtained. Is displayed.

As described above, in this embodiment, embossing of image data is performed, and furthermore, conversion into perspective projection / depression information is performed in a plurality of steps, and the degree of protrusion of each dot of the projection / depression display 3 is determined according to the perspective projection / depression information. Since the image is displayed by changing the image in a plurality of stages, the image can be tactilely recognized by touching the surface of the uneven display 3 with the hand or the like, and particularly, transmission of the image to a visually impaired person or the like. Can be suitably used.

The present invention can also be suitably used for displaying an image in a situation where light is disliked (on a night vision field), or for displaying sonar information, radar information and the like in a situation where visibility is poor (for example, on the sea floor). Furthermore, in the present embodiment, since the image is displayed on the uneven display 3 as an uneven image, an image having a sense of perspective can be displayed visually, and a three-dimensional image can be displayed.

FIG. 4 is a block diagram showing another embodiment of the present invention. In the embodiment of FIG. 4, not only the CCD camera 1 but also an image photographed using the photo scanner 4 is transmitted to the image processing computer 2. In this way, the image captured by the photographic scanner 4 can be visually recognized in the same manner, and a stereoscopic image with a sense of perspective can be displayed tactilely.

FIG. 5 is a block diagram showing still another embodiment of the present invention. In the embodiment of FIG. 5, image data captured by a plurality of CCD cameras 1 is transmitted to an image processing computer 2. When an image is photographed using a plurality of CCD cameras 1 in this manner, the perspective of the displayed image can be more finely captured, and can be displayed on the unevenness display 3 as tactile information more accurately.

In the above embodiment, the degree of the irregularity information of the perspective and irregularity display and the irregularity of the irregularity display 3 is set to 16 levels, but may be more. By increasing the uneven display resolution in this way, it is possible to display three-dimensional information (3D) more clearly,
Cave terrain, images of the human body, and the like can be displayed clearly and accurately.

The present invention can display not only a black and white image but also a color image on an uneven display. In this case, for example, it is possible to display a color image by using a glass fiber for each dot of the concavo-convex display and allowing each dot to pass three primary colors of light (RGB) according to image information.

[0018]

As described above, according to the present invention, by touching the surface of the uneven display with a hand or the like,
The image can be tactilely recognized, and visible information can be displayed as tactile information. In particular, it can be suitably used as image transmission means for visually impaired persons and the like. Also,
It is possible to recognize an image even in a night vision situation, a poor visibility situation, or the like. Further, an image with a sense of perspective is obtained visually, and a stereoscopic image can be displayed.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of a stereoscopic image display system according to the present invention.

FIG. 2 is a plan view showing the uneven display according to the embodiment shown in FIG. 1;

FIG. 3 is a view for explaining a structure in which dots of the concave-convex display according to the embodiment of FIG. 1 advance and retreat.

FIG. 4 is a block diagram showing another embodiment of the present invention.

FIG. 5 is a block diagram showing still another embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 CCD camera 2 Image processing computer 3 Uneven display 4 Photo scanner

Claims (1)

[Claims] A means for embossing image information; a means for converting embossed emboss image information into perspective unevenness information having a different degree of unevenness according to an image; and a vertically movable surface for each dot. And an unevenness display for displaying an image as unevenness information, and by changing the degree of projection of each dot of the unevenness display according to the perspective unevenness information, an image is tactilely sensed on the unevenness display. A stereoscopic image display system characterized in that the image is displayed so as to be recognizable.