TWI632802B - Three-dimensional image pick-up and display system - Google Patents

Abstract

In the stereoscopic image capturing display system, even in the case of different models of the stereoscopic image capturing display device, the stereoscopic image can be reproduced on the display side without adjustment.

The present invention proposes to achieve the above object, and to set a virtual field of view frame in a field of view (defined as a reference window) of a stereo camera constituted by one of the left and right parallel cameras, which is composed of a photographic lens and an imaging element. This reference window is imaged on the left and right imaging elements by reducing the projection of each of the left and right photographic lenses. The invention provides a stereoscopic image capturing display system for reading image data of an image (inside a window) of a reference window imaged on the left and right image capturing elements, and sending stereoscopic image data (defined as standard stereoscopic image data) on the display side. By means of an electronic display, the polarized light of the left and right orthogonal or the circular polarized light of the left and right opposite directions, or the linear polarized light of the same direction, interactively displays the standard stereoscopic image data in a display screen equivalent to the reference window (left and right screen positions) It is completely consistent, and the position and size of the screen in which the size and size of the display reference window are reproduced are defined as the reference size display screen), and the left-right image is separated by the field of view corresponding to the polarization mode, and the stereoscopic viewing is faithfully reproduced. status.

Description

Stereoscopic image display device

The present invention relates to an image display of a stereoscopic image (animated and still picture) of a two-eye stereoscopic view of an image captured by two left and right lenses viewed from left and right eyes, even when the display screen size is different and the display device model is different. By using the same image data, the image (image) is promoted in the field of receiving and receiving images using television broadcasts or communication lines.

In the past, an image display system for an electronic stereoscopic image of a stereoscopic view of a two-eye view has been proposed and displayed. Also, some have started stereo TV playback.

These conventional electronic stereoscopic image display systems require the need to move or adjust portraits in order to mix and match different systems of each model. However, the adjustment methods using these conventional methods are incomplete and the general implementation is difficult.

(for example, refer to Patent Document 1)

[Patent Document] Japanese Patent Laid-Open No. 8-275207

Therefore, there is a technical problem to be solved in order to reproduce the stereoscopic image on the display side without adjustment even in the case of different models of the stereoscopic image display device. The object of the present invention is to solve this problem.

The present invention proposes to solve the above-mentioned problems. In the present invention, a virtual field of view frame is set in a field of view (defined as a reference window) of a stereo camera formed by one of the left and right parallel cameras, which is composed of a photographic lens and a camera. The components are configured, and the reference window is imaged on the left and right imaging elements by reducing the projection of each of the left and right photographic lenses. The invention provides a stereoscopic image capturing display system for reading image data of an image (inside a window) of a reference window imaged on the left and right image capturing elements, and sending stereoscopic image data (defined as standard stereoscopic image data) on the display side. By means of an electronic display, the polarized light of the left and right orthogonal or the circular polarized light of the left and right opposite directions, or the linear polarized light of the same direction, interactively displays the standard stereoscopic image data in a display screen equivalent to the reference window (left and right screen positions) It is completely consistent, and the position and size of the screen in which the size and size of the display reference window are reproduced are defined as the reference size display screen), and the left-right image is separated by the field of view corresponding to the polarization mode, and the stereoscopic viewing is faithfully reproduced. status.

According to this configuration, the reference window is set at the time of shooting, and the standard stereoscopic image data projected in the window of the left and right image pickup elements is sent out, and the size display is enlarged and displayed on the display side and the reference window as the reference size display screen for the stereoscopic image display. .

The present invention provides a stereo camera in which a reference window belonging to a virtual field of view frame is set in a field of view of a pair of two camera units in which two imaging units are arranged in parallel to each other, and the image capturing unit is composed of a photographing lens and an image sensor. The in-image image data of each of the left and right reference windows projected on the left and right image pickup elements is reduced, and standard stereoscopic image data is sent out.

According to this configuration, the reference image is set by the stereo camera, and the image data to be sent is scaled as a standard stereoscopic image. To send. Therefore, even if the stereo camera is used alone, the distance or size of the photographic image can be correctly reproduced in the replay side machine, and the photographic data can be shared as a standard stereoscopic image material beyond the type and size of the machine.

The present invention provides a stereoscopic image display device in which a reference window belonging to a virtual field of view frame is set in a field of view of a stereo camera including two imaging units arranged in a pair of right and left, and the imaging unit is composed of a photographing lens and an imaging element. Reading out the in-image image data of each of the left and right reference windows projected on the left and right image pickup elements, and outputting them as standard stereoscopic image data, thereby displaying the stereoscopic image system display side device of the standard stereoscopic image data, and viewing the left and right views Within the full width, it is displayed in the left view angle determined by the line connecting the reference size display screen and the left eye of the appreciator, and the right view determined by the line between the two ends of the connected reference size display screen and the appreciator's right eye. The left and right corners are in the same arbitrary position (the polarized light orthogonal to the left and right or the circular polarized light in the opposite direction of the left and right, or the polarized light in the same direction in the left and right directions, and the time division), faithfully reproducing the stereoscopic image.

According to this configuration, the actual display size of the stereoscopic image display device is larger than the reference window (reference size display screen) set to the imaging device, or even smaller, even if the left and right images overlap in the overlapping display range, or even In the juxtaposed display range of the left and right images, it is still possible to display only the stereoscopic image data at a display width defined by the display position (appreciation distance) (illustrated in FIG. 1).

The present invention provides a system for reproducing a data carrying device carried by a stereoscopic image capturing device for acquiring standard stereoscopic image data to a stereoscopic image display device by digital TV broadcasting.

According to this configuration, due to the standardization of stereoscopic image data, Therefore, stereoscopic television playback can be realized without special management. In particular, digital TV broadcasting is transmitted in slots, and even if it is high video, the carrier still has a margin, and is suitable for synchronous transmission of two image signals for left and right.

The present invention provides a system for using a communication circuit as a data carrying means for carrying a stereoscopic image capturing device for acquiring standard stereoscopic image data to a stereoscopic image display device.

According to this configuration, since the stereoscopic image data is standardized, the stereoscopic image can be transmitted and received via the high-speed communication circuit (optical fiber) network.

The present invention provides a stereoscopic projector which is provided with a pair of right and left projection units, and a circular polarization filter that linearly polarizes the left and right sides or rotates the left and right directions in the opposite direction to the left and right units. The distance between the optical axes of the photographic lens is set within the eye width, and the left and right projection screens are symmetrically shifted to the left and right electronic displays or the offset setting display range, and the projection distance is set so that the left and right projection screens are aligned on the reference size display screen (position). It is larger than the appreciation distance.

According to this configuration, as long as the standard stereoscopic image data is displayed on the left and right electronic displays, it is possible to perform only in the full projection range (the projection distance is short and the screen size is long, and the projection distance is long and large), regardless of the size of the projection screen. Focus adjustment, the actual operation is equal to the single-frequency projector.

Further, in the case where the position where the stereoscopic projector is placed is set to a position equivalent to the position of the eyes of the observer, the problem that the projector itself becomes an obstacle occurs. This problem can be solved by setting the projection distance to be larger than the appreciation distance.

The present invention provides a stereoscopic projector, which is provided with a pair of right and left projection units, and a linear polarizing filter that is orthogonal to each other in the left and right directions or The stereoscopic image display device of the circular polarization filter that rotates in the opposite direction of the left and right direction sets the distance between the optical axes of the left and right projection lenses to the width of the human eye, and symmetrically shifts the left and right electrons in order to match the position (position) on the reference size display screen. The display or offset sets the display range to set the projection distance to be smaller than the appreciation distance.

According to this configuration, there is an advantage that the size of the rear projection type stereoscopic image display device (back projection type stereoscopic TV) is small (thin) in the depth direction.

The present invention provides a stereoscopic image display device, which is a projection unit comprising an electronic display and a projection lens, and uses a standard stereoscopic image data to interactively display and display the left and right images of the stereoscopic image on the screen, and to provide a synchronous infrared emitting device. .

Further, in the case where the stereoscopic image is viewed by the stereoscopic image display device, the liquid crystal shutter glasses of the conventional type can be synchronized by infrared rays. Further, a polarizing filter is mounted on the projector, and the left and right images of the stereoscopic image are displayed by the polarization of the same direction, and the left and right views are most appropriately separated by the "three-dimensional image appreciation glasses".

In the above description of the "three-dimensional image-receiving glasses", the left and right polarizing plates are attached to the left and right sides of the glasses for stereoscopic image viewing for separating the left and right views. Install the LCD panel in front of it. By the stereoscopic image capturing and display device, the light beams projected on the screen are polarized in the same direction. When the polarizing plate of the glasses is oriented in a direction orthogonal to the direction in which the polarization reflected from the screen is blocked, the left and right fields of view of the glasses are closed and darkened. The state of the field of view is changed by the liquid crystal panel mounted on the front surface, so that the 90° or 270° polarization direction of the reflected light from the screen is rotated, and the left and right fields are opened and clearly visible. If the infrared light is sent in synchronization with the infrared light transmitted synchronously on the screen, the liquid crystal is placed under tension in the liquid crystal, and is reflected from the screen and injected into the eye. The polarized light of the mirror maintains the original polarized direction and is darkened by the polarizing plate of the glasses. If infrared rays are used at the same time, and the display image on the screen is synchronized, voltage is applied to the liquid crystal panel of the glasses, and the left and right fields of view are interactively opened and closed, and the left and right views of the viewing screen are separated and stereoscopically viewed. Further, in the case where the glasses are tilted, although the relative direction relationship between the polarization directions of the screen and the glasses is broken and crosstalk occurs, it can be corrected by controlling the voltage applied to the liquid crystal panel by the tilt angle sensor to prevent crosstalk.

In the present invention, the linear polarization filter is mounted on the front or rear of the projection lens of the rear projection type TV using the reference size display screen of the DMD projection unit, and the left and right images are displayed in a time division manner. The present invention provides a stereoscopic television set that simultaneously displays a synchronizing signal from an infrared sync signal transmitting device for field-of-view separation mounted on a TV.

According to this configuration, the polarizing filter can be easily embodied by attaching it to the projection unit of the conventional DMD type rear projection type TV itself. Further, at the time of appreciation, the stereoscopic image viewing glasses described in the above paragraph [0022] are used for separation and viewing.

The present invention is a rear projection type TV that uses a reference size display screen of an LCOS unit, and displays a left-right image in a time-sharing manner. The present invention provides a stereoscopic television set that simultaneously displays a synchronizing signal from an infrared sync signal transmitting device for field-of-view separation mounted on a TV.

According to this configuration, since the light emitted from the LCOS device is polarized, it is not necessary to mount the polarizing filter to the projection unit, which is simpler than the conventional DMD type.

According to the present invention, in the TV (DMD rear projector method) configured as described above, the unit cell and the λ/4 plate are further added, and by linearly polarizing the polarized light through the unit cell, the polarization direction is relative to Interactive optical λ The high-speed axes of the /4 plates are incident at an angle of 45° and a 45°, respectively, and the circularly polarized lights that rotate in opposite directions mutually display the left and right images projected onto the transmissive screen.

According to this configuration, since the light beams on the left and right images are displayed as circularly polarized light that rotates in opposite directions, circularly polarized glasses having opposite left and right directions can be used, and the infrared synchronizing device is not required. Moreover, if circularly polarized light is used, crosstalk does not occur even if the appreciator's head (glasses) is tilted. However, since the action of the λ/4 plate is shifted with respect to the wavelength, there is also a state in which the light-shielding state is slightly incomplete depending on the color.

The present invention replaces the above-mentioned DMD unit with an LCOS unit.

According to this configuration, since the light emitted from the LCOS device is polarized, it is not necessary to mount the polarizing filter to the projection unit, which is simpler than the conventional DMD type.

The invention contained in this item is a stereoscopic television camera having a stereoscopic monitor, and the stereoscopic monitor places the LCD at a position near the clear distance of the observer. Interactive time-sharing displays the left and right images on the LCD. The left-hand image is displayed in the full width of the left-right direction within the viewing angle determined by the line connecting the left end of the observer's left eye, and the right image is displayed at both ends of the connected reference size display. The line of the right eye determines the full width of the left and right directions within the viewing angle. The observer installs the liquid crystal panel on the polarizing plate whose polarizing direction is orthogonal to the polarizing plate on the LCD surface of the stereoscopic monitor, and is installed in front of the glasses of the left and right viewing fields, and synchronously drives the liquid crystal panel by synchronous infrared rays, and simultaneously opens and closes the viewing display. Vision. Further, by applying a tilt angle sensor mounted on the glasses, the voltage applied to the liquid crystal panel mounted directly in front of the glasses is controlled to prevent crosstalk. It provides a stereo TV camera that the observer can be equivalent to the reference window (Size in size, etc.) View the stereo image of the monitor (however, depending on the setting value of the zoom lens or the like, sometimes it is not equivalent), you can also look directly at the actual scene of the shot.

According to this configuration, the observer (photographer) can obtain the same stereoscopic feeling as the viewer of the stereoscopic television set. In addition, the photographer can also observe the real scene in the same time as the real scene (depending on the selected photographic lens, and the magnification is not limited).

The invention according to the present invention provides a stereoscopic monitor in which a collimation pattern (a left and right same pattern overlap) mainly composed of a vertical line is superimposed on a display screen of a stereoscopic monitor by a software body, thereby realizing the visibility of stereoscopic viewing, in particular, Used as the most suitable monitor for the above.

According to this configuration, since the set position of the reference window can be recognized, it is highly effective to use the monitor image of the stereoscopic television when the display is superimposed.

The present invention provides a stereoscopic image display device (stereo TV) including an infrared ray transmitting device for interactively displaying a standard stereoscopic image data on an LCD panel and synchronizing the viewing glasses.

According to this configuration, since the constituent elements of the conventional LCD type TV can be transferred, the three-dimensional image can be easily realized. Moreover, by standardizing the stereoscopic image data, even if the display size is different, the display can be adjusted without adjustment.

The invention of claim 1 provides a stereoscopic image display device in which a field-of-view separating lens and a visual force correction lens for separating left and right fields of view are superimposed with respect to an electronic display (in a clear viewing distance) In the case of a closer object, a positive refractive lens for aligning the focus of the observer's eye, and the aforementioned display is set to be viewed closer to the clearer distance, the interactive time division is displayed on the display In the upper and lower field of view, which is determined by the line connecting the two ends of the reference size display screen of the stereoscopic image and the line of the left and right eyes of the observer, the glasses for the field of view separation are simultaneously operated to separate the left and right fields of view.

According to this configuration, even if a small display is used, it can be viewed in the same stereoscopic sense as in the case of using a large display.

The invention of claim 2 provides a stereoscopic image display device in which a field-of-view separating eyeglass for separating right and left views is set to be closer to a position closer to a clearer distance than the electronic display, and the time-sharing interaction is performed. Displayed on this display, the left and right fields of view are separated from each other by the two sides of the reference size display screen connecting the stereoscopic image and the left and right eyes of the observer.

According to this configuration, although a device having a larger size than the three-dimensional image display device of the first application of the above-mentioned patent application is available, the person with normal strength (the person whose naked eye is most easily seen is a clear distance) does not need to correct the glasses by the number of points. .

Further, the three-dimensional image display device disclosed in the first and second claims of the patent application fixes the field of view separation glasses with respect to the display so that crosstalk does not occur even when the observer's head is tilted.

The invention contained in claim 3 provides a stereoscopic or stereoscopic slide in which a pair of left and right images are placed on a piece of paper or film on the left and right sides from a standard stereoscopic image.

According to this configuration, it is possible to obtain a stereoscopic copy or a stereoscopic slide in which the left and right screen intervals are set in an optimum state.

According to the present invention, in the whole process of the stereo image from the shooting to the display, it is easy to achieve the stereoscopicization of all the images by the technology of the existing components and elements. It has the advantage that it can be uploaded to existing media (such as digital TV broadcast or network, DVD, etc.), and it is easy to convert to single-frequency conversion from TV playback or self-image in the network.

According to the present invention, a stereo camera can be standardized. This standardization can be achieved beyond the size of the imaging element. Also, the viewfinder does not have to be stereoscopically viewed.

According to the present invention, it is also possible to display the range (the left and right juxtaposed display ranges) displayed from the screen of the size of the screening hall to the left and right of the small television set (overlapping display range) and the smaller display by the same image data. Even in the case of different types and sizes of displays, the same stereoscopic effect can be obtained without adjustment. Therefore, it is extremely useful in the case of generalizing (implementing) a stereoscopic TV. The reason for this is that, however, the various specifications on the transmitting side of the stereoscopic broadcast can be unified, but the viewer side of the received image is not likely to be unified due to various situations (for example, economic situation or house size, separately set TV size, etc.) It is also a different matter.)

The present invention is applied to the above inventors, and is essentially the only method for embodying the playback of a stereoscopic TV, and is also a digital TV playback function. The reason is that, in any case, the digital TV broadcast is sent in time slots, and the dual-channel capacity of the currently-pass digital high-vision can be simultaneously transmitted.

The present invention is applied to the above inventor, which is to stereoscopically image In the case where the data is transmitted and received by the communication circuit, it is essentially the only method. In the case where the screen sizes on the receiving side and the transmitting side are different, no matter which side of the receiving side and the transmitting side is used, no processing (no adjustment) is possible, and a stereoscopic feeling or the same size as the object size can be obtained. Moreover, it can also be combined with the playback of stereo TV.

In addition, the stereoscopic photocopy of the left and right portraits can be replaced by a network. Further, there is an advantage that the stereoscopic slide of the same silver chloride type can be transmitted as image data on the Internet.

According to the present invention, the distance between the optical axes of the left and right projection lenses of the stereo projectors with the pair of left and right projection units is set to the width of the human eye, and the interval between the electronic displays of the left and right projection units is set to be larger than the distance between the optical axes. Regardless of the screen size, the stereo image of the standard stereoscopic image data can be reproduced at an interval equal to the width of the human eye. Further, regardless of the size of the projected screen size, the left and right images can be viewed in an equivalent manner to the reference size display screen. Therefore, the "operation" during projection can only focus, even a stereo projector can operate as a single-frequency projector. This operational problem is a very important element in general popularity.

Further, by setting the projection distance of the reference size display screen to a recommended viewing distance (the optimum distance for the viewing of the reference size display screen), by setting it to be larger than, for example, 2.5 meters in FIG. 1, it can be avoided when appreciating. The projector itself is subject to interference.

According to the present invention, the distance between the optical axes of the left and right projection lenses of the stereo projectors in which the pair of left and right projection units are arranged is set to the width of the human eye, and the interval between the electronic displays of the left and right projection units is set to be larger than the distance between the optical axes. Regardless of the projection distance, the standard is established at a certain interval equal to the width of the human eye. The symmetry point of the infinity image of the stereo image of the volume image data, regardless of the size of the projection screen, can be viewed as the left and right image equivalent to the reference size display screen. Furthermore, by setting the projection distance of the reference size display screen to the recommended viewing distance (the optimum distance for the viewing of the reference size display screen situation. By setting it to be smaller than, for example, 2.5 meters in FIG. 1, there is a rear projection TV. The advantage that the projection unit built-in stereoscopic image display device has a small (thin) depth dimension.

The present invention is characterized in that it can be implemented in a conventional single-frequency projector by a simple configuration in which only an infrared synchronizing device is connected.

The invention is characterized in that a polarizing filter is installed on the structure to back-projection type single-frequency television using a DMD unit, and the left and right images are interactively displayed, and the left and right fields are separated by the simultaneous separation and opening and closing of the liquid crystal glasses. Further, by using the screen size as the reference size, the left and right image of the standard stereoscopic image data is interactively displayed on the DMD, and it is not necessary to provide a non-display band on a part of the component as small as the DMD, and the full pixel of the DMD is effectively utilized. Also, the projection lens can be one. Further, by setting the projection distance of the reference size display screen to be smaller than the recommended appreciation distance, there is an advantage that the depth of the rear projection type stereoscopic image display device (stereo TV) is small.

According to this configuration, even a stereoscopic television can be inexpensively manufactured because it can be embodied in substantially the same configuration as the conventional DMD-shaped projection television (single-frequency type).

The present invention replaces the DMD unit of the invention described above with an LCOS unit.

According to this configuration, since the light emitted from the LCOS unit is polarized, the polarizing filter is not required. This not only lowers the cost of the filter, but also reduces the amount of light loss caused by the polarizing filter.

The present invention is a polarizing filter of a rear projection type television of the above-mentioned DMD projection unit, arranged in the order of the unit cell and the λ/4 board, and interactively displays the image for the left and right, and is synchronized with the display of the DMD. The voltage applied by the cell is in the direction of the amplitude of the linearly polarized light with respect to the high-speed axis of the λ/4 plate, and is alternately incident at an angle of ±45°, which becomes a circularly polarized light that rotates in the opposite direction, and the appreciator uses a circularly polarized light that rotates in the opposite direction. Separately view the left and right views.

According to this configuration, the left and right images are not related to the interactive time-division display, and it is not necessary to deal with the synchronization of the glasses for appreciation, and not only the glasses for viewing are inexpensive, but also the trouble of installing the batteries in the glasses or the like can be eliminated. Further, in the projection type television, the individual apertures of the polarization filter, the unit cell, and the λ/4 plate can be substantially equal to the aperture of the projection lens, and the aperture is small.

The invention replaces the above-mentioned DMD unit with an LCOS unit.

According to this configuration, since the light emitted from the LCOS unit is polarized, the polarizing filter is not required. This can reduce the amount of light loss caused.

The present invention is characterized in that a stereoscopic image is displayed on a stereoscopic monitor of a stereoscopic television camera, and the stereoscopic image can be observed with a size such as a real scene of a photographic scene. Therefore, the photographer can view a stereoscopic image of the same feeling as the stereoscopic image viewed by the viewer on the monitor. Moreover, it is also possible to directly view the real scene while viewing the stereoscopic image of the monitor.

According to this configuration, the photographer often observes the stereoscopic image of the photographic recording or transmission on the monitor, and then views the real scene and compares it. Moreover, even if it is a single frequency, or a stereo, in the case of shooting an animation, it is important to observe the situation while shooting. Therefore, it is often effective to have a television camera that can be seen at the same time as the monitor.

The invention is characterized in that the collimation pattern is displayed by software overlay In the monitor of the stereoscopic imaging device, by superimposing on the stereoscopic image and stereoscopic viewing, the visibility of the stereoscopic effect is improved.

According to this configuration, the photographer can instantly determine whether or not the stereoscopic effect is appropriate in the shooting of the stereoscopic image.

The invention can display the left and right images of the standard stereoscopic image data on the conventional liquid crystal TV by time division, and only emit the infrared synchronization signal for the field of view separation glasses.

According to this configuration, the stereoscopic image display device can be realized most conveniently.

The invention of claim 1 is characterized in that the electronic display and the field-of-view separating glasses for mutually displaying the standard stereoscopic image data are mutually fixed to prevent crosstalk from occurring, and the position can be observed closer to the clear distance. Correct the glasses by the number of strengths.

According to this configuration, since the electronic display and the field-of-view separating glasses are fixed to each other, even if the observer's head is tilted, crosstalk does not occur. Further, by installing the visual force correction lens, it is possible to observe from a closer distance than the clear distance, and even when a small display is used, the stereoscopic image can be displayed on the large screen (reference size display screen).

Moreover, this configuration is very effective even in the case of a filter (monitor) of a stereoscopic image pickup device. The shape can be made small, the portability and the operability are excellent, and the external light is shielded, so that the visibility of the viewfinder is improved in a bright environment such as a house outside the house.

The invention of claim 2 is characterized in that crosstalk is prevented from occurring by fixing an electronic display that interactively displays standard stereoscopic image data to the field of view separation glasses. Also, the glasses for separating the field of view The set position is set at a position that can be viewed from a position farther than the clear distance.

According to this configuration, it is not necessary to correct the lens by the number of forces. It can correct the glasses (for myopia, farsightedness, or reading glasses) or the like with the naked eye by using the visual power used by the observer itself.

Furthermore, the invention of the first and second aspects of the patent application is characterized in that the observer does not wear the glasses for separating the fields of view. Although these three-dimensional image display devices are only available for one person to appreciate, this is because, in the public setting state, the direct contact with the skin for use in viewing (for separation of vision) is poorly sanitary.

The invention of claim 3 is characterized in that the left and right images of the stereoscopic photographs can be recorded side by side on one sheet.

According to this configuration, even in the case where the format (screen size) is different, it is possible to easily create a stereoscopic photocopy or a stereoscopic slide of the optimum screen interval.

The present invention is characterized in that even when the size of the imaging element of the stereo camera, the display range of the stereoscopic display device, and the screen size are different, the stereoscopic image data can be shared, so that the distance sense and size of all the stereoscopic images can be shared together. Set the reference window. However, this reference window is photographed and sent as a field of view frame (left and right image frames) as a standard stereoscopic image material necessary for display. Then, by the display side, the standard stereoscopic image data is displayed on the reference size screen equivalent to the reference window on the photographing side, and the faithful stereoscopic feeling is reproduced.

For example, in FIG. 2, the width of the reference window W _ref ... W _{W is} projected on the width of the image I _{ref in} the reference window of the imaging element... W _{S is} the width of the reference size display screen... W _D , and the photography magnification r is r= _{W S} / W W

The display magnification R is R = W _D / W _S r × R = 1. According to the above formula, it can be understood that the image stereoscopic image of the image data sent from the stereo camera is easily materialized regardless of the size of the width W _S of the image pickup element.

[Example 1]

Figure 1 is a conceptual diagram of stereoscopic viewing. When a large-sized stereo TV shown in the figure is used as a television with a reference size display screen (display width of 1800 mm), display screens of various sizes are arranged in a relationship with each other.

Fig. 3 shows the size and arrangement relationship of Fig. 1 in more detail. However, Fig. 3 is expressed as a ratio of the size which becomes larger as the position closer to the observer relative to the actual size ratio. This is to avoid confusion on the drawing.

In FIG. 3, the distance L _X from the observer's eyes to the boundary point between the left and right juxtaposed display range and the overlapping display range is L _X = L ₀ (set distance of the reference size) / (1 + W _P0 / B) The relationship, if L ₀ = 2500mm, WP ₀ (width of display D ₀ ) = 1800mm, when the eye width size is B = 58mm, L _X = 2500 / (1 + 1800 / 58) = 78.04mm, in the eye width When the size is B=72 mm, L _X = 2500 / (1 + 1800 / 72) = 96.15 mm.

In the left and right juxtaposed display range, the partition wall for separating the left and right views is required, and the actual appreciation distance is limited to the position of 75 mm. Moreover, in order to make the 75mm very close to the clear distance, it is necessary to use the magnifying glasses for the adjustment of the strength. Since the magnifying glasses (Loupe) are just slightly larger than the viewing distance, the magnifying glasses used in this case are used. The appropriate focal length of Loupe) is about 80mm.

Also, the eye width size (stereoscopic baseline) B is in each observer Although there is a slight difference between the two, in the case of a large appreciation distance, the difference between the left and right intervals of the symmetry point of the infinity image and the eye width dimension B can be ignored (overlapping display range).

Further, in the left and right juxtaposed display range, although the difference from the eye width dimension B is small, the interval between the lenses can be adjusted by adjusting the visual power to alleviate the difference.

The left and right picture intervals, that is, the image distance, are in a secondary relationship with the distance between the left and right eye widths B shown in FIG. 3 and the distance L ₀ from the reference size to the display D ₀ . The image distance D _PN of the display D _N disposed at any distance L _N is a value of D _PN = B(1-L _N /L ₀ ).

Since the left and right screen widths W _P0 are proportional to the distance from the appreciator's eyes, the light entering the left and right eyes is the same as the illustrated viewing angle α of the clip display D ₀ . Therefore, the screen width on each appearance shown in FIG. 3 The relationship between W _P0 = W _P1 (width of display D ₁ (portion)) = W _P2 (width of each display left and right) seems to be the same size.

As described above, by displaying the standard stereoscopic image data as the relationship configuration shown in FIG. 1 on the TV of the reference size display screen (large TV shown in FIG. 1), the overlapping display range of the common image display using the common data can be used. It is in the entire display range with the left and right juxtaposed display ranges of the left and right individual display surfaces. In this case, it is possible to arrange (position and width) according to the conditions specified by the left and right, and display only the standard stereoscopic image data on the respective displays shown in the figure.

2 is a camera diagram showing the means for obtaining the stereoscopic image data of the relationship configuration shown in FIG. 1. Fig. 2(a) is a state diagram identical to the stereoscopic state of Fig. 1, and Fig. 2(b) is a diagram showing the relationship of the stereo camera. Moreover, the display E _{ref of the} equal reference window shown in FIG. 2( a ) is used as the display of the TV (the large TV shown in FIG. 1 ) of the reference size display screen of FIG. 1 , and the reference window of the stereo camera of FIG. 2 ( b ) is set. W _ref , if the left and right photographic lens spacing of the camera is the eye width dimension B, from the display E _ref of the equal reference window of Figure 2 (a) to the left and right eyes E _L and E _{R of the} observer and from Figure 2 (b) The conjugate relationship between the width reference window W _ref and the left and right photographic lenses L _L and L _R is established. Therefore, the image data placed on the image pickup elements in the left and right viewing angles α is equal to the case where the television (the large TV shown in the figure) in which the person actually observes the reference size display screen of FIG. 1 is equal. Further, the size (width) of the imaging element disposed in the viewing angle α is determined by arranging the position of the imaging element in the optical axis direction.

In FIG. 2(b), the width W _{S of the} imaging element is calculated by W _S = W _W × f / L, and the interval between the left and right imaging elements (image distance of the inverted image state), that is, the illustrated D _S to _{D S = B (1 + f} / L) is calculated, the left and right lens imaging interval is greater than the human eye width B.

The image projected on the image pickup element is in an inverted state, and if it is rotated, it is rotated by 180° at the left and right positions, and the left and right screen intervals, that is, the image distance (display side = positive image state) become smaller than the human eye width B. Further, two triangles (partially overlapping two triangles) and a reference window W _ref shown in FIG. 2(b) and a line passing through the main points of the left and right photographic lenses and the width W _W of the reference window W _{ref are} passed through The two individual triangles formed by the main points of the left and right photographic lenses and the ends of the left and right sides and the faces of the image pickup elements themselves are similarly shaped in point symmetry with respect to the main points of the left and right photographic lenses. Further, since the left and right units are bilaterally symmetrical with respect to the center line 0 of the figure, the optical axes Φ(L) and Φ(R) of the left and right stereo cameras are folded when the center line 0 of the illustrated paper surface is folded. That is, they are consistent and the left and right overlap. Therefore, the interactive time-division display or the simultaneous display of the stereoscopic image captured by the stereo camera of FIG. 2(b) on the same screen position of the television (large TV shown) of the reference size display screen of FIG. By using the glasses to separate the left and right eyes, the symmetrical points of the infinity image are displayed in the width of the human eye. Therefore, the stereoscopic image of the optimum state can be reproduced. Moreover, in order to be projected at the same position of the reference size, the display ratio can be used as the display magnification by the ratio W _D /W _S of the width W D of the display _D and the width W _S of the imaging element, without special means, and FIG. 2(b) The image on the imaging element S shown is shown on the display of Figure 2(a).

Further, the widths of the left and right screens of the respective sizes shown in FIG. 1 are determined by the ratio of the arrangement distance of each display device to the distance to the TV of the reference size display screen (L ₁ in FIG. 3 (distance to the display D ₁ )/ L ₀ = W _P1 / W _P0 ), since the width of each screen for each of the right and left displays is a simple ratio, it is easy to calculate.

And as shown in FIG. 1, the stereoscopic image can display infinity symmetry points in the entire range of the human eye width interval in the full range, therefore, infinity = eye width = distance between the optical axes of the left and right photographic lenses, due to self-injection into the stereoscopic The light rays from the infinity symmetry of the left and right photographic lenses of the camera are parallel to each other. Therefore, the distance between the infinity symmetry points projected on the imaging element and the optical axis is equal. Therefore, for the display of any size, the interval between the left and right display points is set to the interval of the infinity symmetry point = the width of the human eye, and only the position corresponding to the optical axis center of each of the left and right imaging elements can be set. In the display screen, the left and right intervals are equal to the width of the human eye. In other words, regardless of the size of the stereoscopic display device, the left and right optical axes of the stereo camera are displayed on the left and right sides of the replay image, and the left and right optical axes of the imaging unit are equally spaced apart from each other to display the same size as the width of the human eye. .

FIG. 4 is a state diagram in which the photographic lens of the camera shown in FIG. 2 is replaced with a wide-angle lens. In order to photograph a subject of the same width at a wide angle, the object distance becomes small, and in order to image the imaging element of the same size, photography is performed. The focal length of the lens becomes shorter. As shown in FIG. 4, in the case of changing to a short focal length photographic lens, the distance between the left and right fields of view is also shortened in stereoscopic viewing. If the actual scene is directly viewed by the naked eye, in the case where the field of view frame W _ref ' at the position indicated by the dotted line shown in FIG. 4 contains infinity (infinity of photographing), it is impossible to simultaneously view the close-up object and the distant object in the stereoscopic view ( In the case of people watching the actual situation, they often see a narrow field of vision and want to deal with it in the brain. Although they actually see it, they cause fatigue to the optic nerve. However, in the case of the stereoscopic television image captured by the camera in the state in which the stereoscopic television of the reference size display screen shown in FIG. 1 is viewed in this state (the short-focus photographic lens is photographed and the left and right visual fields are coincident in the short photographic distance), stereoscopic viewing is performed. In good condition. In the case where the reference window W _ref ' shown by the broken line is illustrated in FIG. 4, if the window exists and the real view is directly viewed from the window, the parallax of the near view and the distant view is large, and it is impossible to merge the left and right views, but since When the display devices of the set state shown in FIG. 1 are viewed, the reference window W _ref ' shown by the dotted line in FIG. 4 can be seen as far as the position of the reference window W _ref shown by the solid line in the figure, and therefore, it can be stereoscopically viewed. It is advantageous because it can be photographed by approaching the subject in photography using a wide-angle lens in a narrow place.

Fig. 5 is an example of the use of a long focal length lens as opposed to the case of Fig. 4. In the case where the focal length of the photographic lens is long, the left and right photographic fields of view are at a position farther than the standard appreciating distance (the dotted line position is shown), but in this case, the display device is also appreciated by the display device of FIG. The reference window W _ref 〞 at the far end of the arrow can be seen near the field of view frame W _ref shown by the solid line.

According to the descriptions of the above paragraphs [0090] and [0091], of course, it is also possible to use a zoom lens, and the matching reference size can be calculated by the equation of one of the aforementioned paragraphs [0086] regardless of the change in the focal length of the photographing lens. The width and interval of the image sensor on the display screen (camera can be used If the width of the element is actually large, the reading range is set, and even if the focal length of the photographic lens of the stereo camera is changed, the stereoscopic television of the viewing side can be set to a certain state only in the respective conditions shown in FIG. 1. The reason is that the light rays incident from the symmetrical point infinity to the left and right photographic lenses are parallel to each other, and the distance between the optical axes of the left and right photographic lenses is set to the width of the human eye. The reason for this is that the infinity symmetrical dot pitch projected on the left and right image pickup elements becomes equal to the width of the human eye.

Since the width and interval of the pair of left and right image pickup elements are constant even when the focal length of the photographing lens is changed with respect to the same stereo camera, the photographing distance in which the left and right visual fields coincide with each other changes when the focal length of the photographing lens changes. In a stereoscopic image, even in the normal case, an object closer to the distance between the left and right fields of view. The state of photography that enters the field of photography is still poor. In the stereo camera, even if, for example, the stereoscopic viewfinder is used, it is extremely difficult to recognize that an object closer to the distance of the left and right visual fields enters the photographic field of view or does not enter, but the aligning pattern shown in FIG. 11 can be displayed by overlapping. Improve the visibility by the left and right screens.

The stereo projector 60 shown in Fig. 6 includes projection lenses 61 (L) and 61 (R) which are set to have a human eye width interval. Furthermore, by setting the displays 62 (L) and 62 (R) of the width W _D to be slightly larger than the interval D _D between the left and right projection lenses 61 (L) and 61 (R), the left and right projection screens can be used. It coincides with the screen S ₀ equivalent to the reference size display screen. Therefore, as long as the focus is on the screen at any distance, the projected picture is displayed under the same conditions as the state shown in FIG. 1, and a good stereoscopic feeling can be obtained if observed from an appropriate viewing distance.

When the positions of the displays 62 (L) and 62 (R) are at the position of θ shown in the figure, the width W _D of the displays 62 (L) and 62 (R) is not limited, and is displayed from the projection lens to the reference size. The screen equivalent screen S ₀ , S ₁ (screen at a close distance (1 m)), S ₂ (screen at the distance between the left and right images), S ₃ (located farther than the reference size display screen position) At the screen, that is, the total projection distance, f + ⊿ f of the sum of the focal length f of the lens and the focus adjustment amount ⊿f. If the projection angle θ shown in FIG. 6 is set to the same angle as the viewing angle α shown in FIG. 2(b), the width W _{S of the} image pickup element _S and the displays 62 (L) and 62 (R) shown in FIG. 6 are illustrated. The width W _D does not have to be set to the same width.

However, in the illustration, in fact, the set position (distance) of the projector is equal to the appreciation distance, and the projector itself constitutes an obstacle. This can be solved by setting the position (screen S ₀ ~ S ₃ ) of the projector to n (n > 1) times. Therefore, if the relationship between the projection angle θ described in the above paragraph [0095] and the viewing angle α shown in the drawing is not θ = α, it is θ < α.

FIG. 7 is an explanatory diagram of a case where the stereoscopic projector of FIG. 6 of the juxtaposed two projection units is changed to a single projection unit. The left and right projection lenses 72 (L) and 72 (R), which are shown by dashed lines on the left and right displays 73 (L) and 73 (R), which are shown by broken lines, are aligned with the left and right directions, and are imaged. The reference size display screen is equal to the screen 71. Regardless of whether the distance between the optical axes of the left and right projection lenses is set to 65 mm equal to the width of the human eye, the reason why the left and right projection screens coincide with each other on the screen 71 is that the interval between the left and right displays 73 (L) and 73 (R) is set to be larger than the optical axis. The distance between the two is large.

The triangles a, O(R), b and triangles f, O(R), e in the dotted line in Fig. 7 are similar in shape to the point O(R), and similarly, the triangles a, O (shown by dashed lines) L), b and triangle d, O(L), c and the triangle shown in the solid line a, O (C), b and triangle h, O (C), g are O (L) and point O (C ) is a similar shape of symmetrical points. Therefore, each line is divided into c-d, g-e, and e-f. Therefore, if the left and right projection lenses 72 (L) are shown by broken lines, 72 (R) is moved to the solid line At the 72 (C) position of the intermediate position, the display 73 (L), 73 (R) indicated by the broken line coincides with 73 (C) indicated by the solid line at the intermediate position. Moreover, if it is displayed on the display 73 (L), 73 (R), a single projection unit of the projection lens 72 (C) and the display 73 (C) is used, and the left and right images are displayed in a time-sharing manner, that is, the two projections are arranged side by side. The projectors of the units are equal. Then, the image X (L) on the display 73 (L) of the symmetrical point of the infinity image imaged on the screen 71 is sized to be equal to the distance between the optical axes of the left and right projection lenses (displaying the symmetry of the infinity image) The position of the dot (the optical axis extension point) and the positional relationship of the image X(R) at 73 (R) are interactively displayed on the display 73 (C). The reason for the opposite left and right positions is that the image of the projector is displayed upside down like a display on the original display and flipped by the projection lens.

And although the symmetry point of the infinity image is depicted as being symmetrical in the left-right position as shown in the figure, that is, in the stereoscopic viewing state at the center of the screen, the actual infinity image is not limited thereto, and it is convenient for explanation. mapping. However, rays emitted from the same point of the infinity object are incident parallel to the left and right eyes. Therefore, even if it is displayed in such a patterning method, it is considered to be generally understandable.

Fig. 8 is an application example of a stereoscopic image display device of the single projection unit described above with reference to Fig. 7. The stereoscopic image display device 80 (stereo television) is a rear projection method in which the image displayed on the DMD 81 is projected onto the transmissive screen 84 (inside) by the projection lens 82, and a polarizing plate 83 is disposed on the front surface of the projection lens 82. In this state, the DMD (or LCOS display (projection) unit) 81 interactively displays the left and right images interactively, and on the transmissive screen 84, the left and right images are polarized in the same state, and the time series are interactively displayed. When the stereoscopic image viewing glasses 85 according to one of the above paragraphs [0022] are used to appreciate the left and right images, the left and right fields of view can be viewed separately.

Further, in the case where LCOS is used as the display element instead of the DMD, since the light reflected from the LCOS is polarized, the polarizing plate 83 shown in Fig. 8 is not required.

9 is a stereoscopic image display device 90 (stereo television). A polarizing plate 93 is disposed in front of the projection lens 92 of the DMD rear projection unit 91, a cell 94 is disposed in front of the lens unit 94, and a λ/4 plate 95 is disposed in front of the lens. The left and right images of the stereoscopic image of the standard stereoscopic image data are displayed, and the cell is driven in synchronization with the display image of the DMD rear projection unit 91, and the polarization direction of the high-speed axis with respect to the λ/4 plate 95 is controlled to be 45° and -45. The relationship of ° is incident, and the circularly polarized light of the right-handed and left-handed is interactively displayed on the transmissive screen 96. In this case, by using the circular polarized glasses 97 for appreciation, crosstalk does not occur even if the glasses are tilted.

Further, in the above device 90, if LCOS is used instead of DMD, the polarizing plate 93 is not required.

In the stereo camera for television broadcasting, it is preferable to directly view the real scene while observing the photographic field of view projected on the stereoscopic viewfinder. To realize such a stereo viewfinder (monitor), for example, a 12-inch wide liquid crystal display shown in Fig. 1 is mounted on a stereoscopic television camera. Although the 12-inch size is a large type of camera monitor, it can be viewed from the 350mm position as shown. In this case, the left and right images are displayed in an interactive time division. At the same time, the sync signal transmitting device mounted on the display emits infrared rays for synchronization. (Omitted from illustration) Then, the left and right polarizing plates are attached to the left and right sides of the stereoscopic image viewing glasses that separate the left and right views. Install the LCD panel in front of it. A tilt angle sensor is also mounted on the glasses. The left and right rays emitted from the aforementioned LCD interaction are the same, and are polarized in a certain direction. If the polarizing plate of the aforementioned glasses is blocked from the polarized light emitted from the LCD In the direction orthogonal to the direction, the left and right views of the glasses are closed and darkened. The state of the field of view is changed by the liquid crystal panel mounted on the front side, so that the 90° or 270° polarization direction of the incident light from the LCD is rotated, and the left and right fields are opened together, which is clearly visible. When the voltage is applied to the liquid crystal panel mounted on the front side of the glasses by the infrared light emitted from the display image on the LCD, the liquid crystal is in a state of tension under the voltage, and the original polarization direction is maintained, and is blocked by the liquid crystal panel of the glasses, and the field of view is darkened. At the same time, if infrared rays are used to synchronize with the LCD, voltage is applied to the liquid crystal panel of the glasses, and the left and right fields of view are interactively opened and closed, and the left and right fields of view of the LCD can be separated and stereoscopically viewed. Further, although the relationship between the polarization direction of the LCD and the glasses and the relative direction is broken when the glasses are tilted, crosstalk occurs, but crosstalk is prevented by controlling and correcting the applied voltage with the tilt angle sensor. Further, in the electronic imaging device, it is not necessary to integrate with the camera. For example, when a stereo camera and a notebook personal computer including a pair of right and left photographic lenses and a pair of right and left imaging elements are connected by a USB cable or the like, the PC itself becomes a finder.

Figure 10 is an embodiment of the above stereoscopic television camera. The illustrated two-point chain line 100 is the reference window of the foregoing description. This reference window is essentially the field of view of the camera, which is imaginarily set to the field of view frame captured by the stereo camera. This imaginary field of view is equal to the state of seeing the outside scenery, for example, in a home window. However, since the frame does not exist in the actual scene, the photographer 104 of course passes over the stereoscopic television camera 102 and transmits the stereoscopic image viewing glasses 103, not only looking directly at the photographic field of view (the reference window 100 shown), but also looking directly at the outside of the photographic field of view. scene. Then, if the line of sight falls on the monitor 101, it can be the same size as the reference window 100, and a stereoscopic image of the same sense of distance (although the actual display size is different, but can be so seen) is observed on the monitor 101 (inside).

The relationship between the width of the monitor 101 of FIG. 10 and the appropriate viewing distance is such that if L ₁ = 350 mm in FIG. 3, the width of each display screen is shown as W _P1 , W _P1 = W _P0 × L ₁ / L ₀ If W _P0 = 1800 mm, each display screen width W _{P1 of} L ₀ = 2500 mm is W _P1 = 1800 × 350 / 2500 = 252 mm. The left and right picture intervals, that is, the image distance is D _P1 in Fig. 3, and D _PN = B(1-L _N /L ₀ )D _P1 =B(1-L ₁ /L ₀ ) in the above item, if the person The eye width is B=65mm, D _P1 =65(1-350/2500)=55.9mm. The distance between the centers of the portrait display screen, that is, the distance between the images and the interval described in one of the paragraphs, will be infinity. The interval of the symmetry points is displayed at 65 mm which is equal to the width of the human eye. In Fig. 3, D _P1 (R) is the right picture, and D _P1 (L) is the left picture, and the size of the display D ₁ at this time ( Full width) is the sum of W _P1 and D _P1 , W _P1 + D _P1 = 252 + 55.9 = 307.9 mm although this size is slightly larger than 12 inches, 12 × 25.4 = 304.8 mm, however, this is because the viewing distance itself is every 10 mm The value is treated to indicate that, in fact, the viewing distance is practically no matter how far it is viewed.

Again, conversely, if the viewing distance L ₁ is calculated from the calculator size, in Figure 3, L ₁ = L ₀ (W _P1 + D _P1 - B) / (W _P0 - B) if W _P1 + D _P1 = 12 〞=304.8mm

B=65mm

W _P0 =1800mm

L ₀ = 2500 mm The viewing distance L _{1 is} L ₁ = 2500 (304.8-65) / (1800-65) = 345.53 mm.

Moreover, it is easy to reach the monitor of the stereoscopic television camera For the visibility of the stereoscopic viewing, the collimation pattern with the vertical line as the main body is displayed by the software superimposed on the left and right images. Figure 11 is a detailed view of the monitor 101 of the stereoscopic television camera 102 of Figure 10, with the software displaying the collimation pattern at the position where the left and right images overlap. Of course, the collimation pattern is displayed only on the viewfinder, and only the data sent from the stereo camera is used as the image data for the image.

When the stereoscopic image viewing glasses 103 are stereoscopically viewed on the monitor 101 of the stereoscopic television camera 102 described in the above paragraphs, the stereoscopic adjustment state can be recognized. Moreover, the stereoscopic image viewed by the monitor of the stereoscopic television camera receives the stereoscopic projection transmitted by the stereoscopic television camera, and can sense the stereoscopic effect completely in the same state as the viewer who views the stereoscopic television.

Moreover, even if it is a single frequency, or even a stereo, in the case of shooting an animation, it is important to observe the progress of the situation at the same time as shooting. Therefore, the live view can be often viewed simultaneously with the monitor, and the stereoscopic television camera constructed by this has an extremely effective effect.

Although the stereoscopic image pickup device described in the above paragraphs [0104] to [0110] is extremely effective, the viewfinder (monitor) portion is large, and there is a problem in hand-held photography or portability. Further, since the viewfinder (monitor) portion is incomplete, there is a problem that it is difficult to see the viewfinder image in a bright shooting environment.

12 is a perspective view of the stereoscopic viewfinder for fixing the field-of-view separating glasses to the display, and the display 121 of the stereoscopic viewfinder 120 and the plate 122 holding the field-of-view separating glasses 130 are fixed by the outer casing 123. The display 121 is, for example, an LCD, and displays the left and right images of the left and right images on the P _L portion of the screen width W _D shown in the interactive time division, and the right image is mapped to the P _R portion to synchronize the field of view separation glasses 130 to separate the left and right fields of view. And stereo viewing. Since the field of view is covered by the outer casing 123, the external light is shielded, so that the display can be clearly observed even in a bright outdoor environment. Further, since the field-of-view separating glasses are fixed with respect to the display, there is no crosstalk even in the case where the observer's head is tilted.

Although the size of the viewfinder (display) is as large or small as illustrated in FIG. 3, it can be viewed according to the display mode and the viewing distance, which is equivalent to the reference scale display screen, but in the case of portability, the display is Small is better. In the case of a small display, the distance to view the display becomes a clearer distance. The observation distance is clear and the distance is small. Even for normal vision (the naked eye focuses on the clear distance), the visual force correction lens (positive refractive lens) shown in Figure 13 is required, and by moving along the optical axis (not The apparent force correction lens 133 can be adjusted in accordance with the apparent power of the observer.

Fig. 13 is a view showing the configuration of the field-of-view separating glasses 130 of the stereoscopic viewfinder 120 of Fig. 12, and the main body thereof is composed of a polarizing plate 132 and a liquid crystal panel 131. If the display 121 of the stereoscopic viewfinder 120 of FIG. 12 is an LCD, the display light is polarized light, and if it is opposite to the amplitude direction of the display light, the polarizing plate shown in FIG. 13 is arranged along the orthogonal direction of the state in which the polarized light is shielded. 132, the field of view is closed. Further, when the liquid crystal panel is disposed in front of the polarizing plate 132, the display light of the LCD is rotated by 90 or 270° to form a field of view. When a voltage is applied to the liquid crystal panel 131 in this state, the twisted liquid crystal is linearly stretched, and the liquid crystal panel 131 does not rotate, and the state is transmitted through this state. Therefore, the liquid crystal panel 131 is shielded by the polarizing plate 132, and the field of view is closed. In synchronization with the display of the display 121 shown in FIG. 12, a voltage is applied to the liquid crystal panel 131 shown in the drawing, and the left and right fields of view are separated to be stereoscopically viewed. In the above description, in the case where a voltage is applied to the liquid crystal panel 131 shown in FIG. 13, the field of view is closed, but only the side of the polarizing plate 132 is used. In the same direction as the polarizing plate 132 disposed on the surface of the display (LCD) 121 shown in FIG. 12, when a voltage is applied to the liquid crystal panel 131, the field of view is turned off.

Further, in the case of using a non-polarizer such as an organic EL in the case of a display, the so-called shutter glasses in which a single polarizing plate is added in front of the liquid crystal panel 131 of FIG. 13 are equivalently operated. Further, in the case of the discharge lamp which is illuminated at the commercial frequency by the shutter glasses, the flicker does not occur, but the light that is seen through the field-of-view separating glasses 130 is blocked by the external light in the viewfinder 120 of Fig. 12 . It is only the light of the display, and therefore, even if the field-of-view separating glasses 130 are shutter glasses, flicker does not occur.

Further, the description of the above paragraph is an embodiment of the three-dimensional image display device of Patent Application No. 1, which is used as a filter for a stereoscopic imaging device, but can be used as a general three-dimensional image display device. Moreover, the outer casing 123 of the stereoscopic viewfinder 120 shown in FIG. 12 may be other than the illustration, and may be, for example, a bellows type, or a folding type punt hood or the like (not shown) as seen in a conventional camera.

In the case of a fixed stereoscopic image display device, it is preferred that the display size be as large as a certain degree. The reason for this is that, in general, the larger the size of the display, the easier it is to refine. In the case of viewing a large screen, although the appreciators use the glasses for separating the fields of view, there are also advantages that most people can appreciate at the same time, but they are worried about installing the glasses on the display by using the hygienic problems of the glasses used by others in the public environment. The peeping effect is useful after throwing away. In this case, it is preferable that the size of the display is as large as a certain degree. Next, it is preferred to position the display, that is, the appreciation distance is further away than the clear distance. If it is farther than the clear distance, the visual force correction lens 133 shown in FIG. 13 is not required. The Appreciator can use the visual power to correct the lens, which is usually used by itself, or take off the glasses, and use it flexibly in the same situation as in the case of viewing the general (Patent No. 2).

Electronic stereoscopic imaging and display devices and stereoscopic photography of juxtaposed two images have shown signs of development in the past. However, although the requirements for both of them have been reconciled in a unified manner due to the progress of the electronic image (image) machine, the current situation has not yet been realized. The invention contained in item 3 of the patent application scope of the present application is based on the coma aberration (a pair of left and right screens) projected on an electronic stereoscopic image display device (for example, a stereoscopic television) to produce a two-picture juxtaposed stereoscopic photocopy, or Two-screen juxtaposed stereoscopic slideshows can be freely created from standard stereoscopic imagery captured by digital stereo cameras.

According to Fig. 1, when the left and right images are juxtaposed to the left and right sides of the figure, the viewing range is viewed (because the viewing distance is significantly shorter with respect to the clear distance, the force correction lens is required), and the position of the large television set is shown. The left and right fields of view are the same, just in the display position of the figure, as if the large TV set actually exists, you can see it. 3 is a detailed view of FIG. 1, and the standard stereoscopic image is displayed on the left and right sides of the screen for display on the reference display D ₀ shown in FIG. 3 (the D ₂ (L) and D ₂ (R) are shown. In case of case, the display screen size will of course become smaller. Although the display screen size is also common in the conventional single-frequency image, the problem is not to consider how the left and right picture intervals should be determined.

According to FIG. 3, if the setting distance of the display D ₀ of the reference size display screen is L ₀ , the position (viewing distance) of the stereoscopic photocopying (slide) D ₂ of the left and right portraits is L ₂ , the width of the human eye is B, and the stereoscopic printing is performed. The interval between the left and right screens (slides) (D _{P2 in the} figure, that is, the setting interval of the left and right displays or the image distance of the stereo slide) is determined by D _P2 = B(1-L ₂ /L ₀ ).

[Example 2]

Although the present invention actually performs a stereoscopic television player, it is not only that, but the stereoscopic image can be uploaded to the network to present a stereoscopic image of the product such as communication and sales, and if the stereoscopic image is used, the operation description of the product can be performed. More effective than showing actual products. The reason is that the actual goods must be displayed until they are not sold well. Most of them are space efficient or even if most of the goods are displayed, the products sold reach the limit, and the surplus is spoiled. By using the display of the stereo image, the number of products actually displayed in the store can be greatly reduced.

In addition, in terms of vending effects, the use of stereoscopic images for the sale of cars or furniture is also effective. The salesperson can of course carry the recorded image, which is also very effective in the store. This is because cars or furniture require a large amount of display space and cannot display most products. Moreover, it is impossible to prepare high-value products for most of the display, and there are also cases where actual products are unlikely to present actual use scenes. This also makes it impossible to present a fashion show in a stereoscopic image in the sale of clothing items and the like.

Further, although the above-mentioned article selling example is movable even if it is a large product, it is impossible to move and display the actual product in the display relating to a house such as an apartment house. This situation is very effective.

Although the above is an application example of the sale, it is very effective even if it is used as a sightseeing guide.

Furthermore, an application example other than a stereoscopic image is an educational training system. Any use of mechanical equipment, aircraft construction or operating instructions Or stereo animation to explain, which is easier to understand than the actual machine description.

Moreover, one of the most effective application examples is in the field of medical education. For example, in an educational internship in surgery, the initial stage is a trainee next to the operator. However, in reality, it is impossible to arrange a majority of trainees around the operating table. Also, even if you look at it, you can't actually see the part clearly. In this case, the commentator explains the image taken by the stereo camera (the part required for the anamorphic sound recording to be recorded in an animated photograph, and repeatedly viewed in slow motion), the medical student can stereoscopically view the display of the personal computer on each table. Or you can watch it on a large TV. Conventional projection type stereoscopic projection systems are required to obtain vivid images in a dark environment, to illuminate, and to obscure the light of the window, which is inappropriate at the educational site. According to the stereoscopic television system of the present invention, a clear stereoscopic image can be seen even in a bright environment.

In addition, in the medical field, it is possible to request specialized medical support from a remote area by means of a communication line, and to contribute to telemedicine.

Moreover, in the case of medical applications, if connected to a stereoscopic internal camera, the inside of the body cavity can be stereoscopically viewed. In this case, the stereoscopic television system of the present invention is characterized in that it can be stereoscopically viewed by a television (display) while moving the line of sight to the surrounding environment while maintaining this state (without removing the stereoscopic glasses). Also, with the LCD monitor, you can see it without lighting.

In addition, there is a particular need for a stereoscopic field of atomic energy. In order to protect workers and the surrounding environment from radioactivity, it is expected to be used for remote operation or monitoring monitors.

Further, the present invention can be variously modified without departing from the spirit and scope of the invention, and the present invention is of course the same.

0‧‧‧ center line

100‧‧‧ reference window (imaginary field of view)

101‧‧‧ Stereoscopic TV (TV) camera stereo monitor

102‧‧‧ Stereo Television (TV) Camera

103‧‧‧Three-dimensional image appreciation glasses

104‧‧‧ Photographer

121‧‧‧ display

122‧‧‧ board

123‧‧‧Shell

130‧‧‧Field separation glasses

131‧‧‧LCD panels

132‧‧‧Polar plate

133‧‧‧Restricted glasses

60‧‧‧Projector

61‧‧‧Projection lens

62‧‧‧ display

71‧‧‧The reference size display screen is equal to the screen

72‧‧‧Projection lens

73‧‧‧ display

81‧‧‧DMD or LCOS display (projection) unit

82‧‧‧Projection lens

83‧‧‧Polarizing filter

84‧‧‧Transmissive screen

85‧‧‧Three-dimensional image appreciation glasses

91‧‧‧DMD or LCOS display (projection) unit

92‧‧‧Projection lens

93‧‧‧Polarizing filter

94‧‧‧ unit cell

95‧‧‧λ/4 board

96‧‧‧Transmissive screen

97‧‧‧ Round polarized glasses

B‧‧‧Human eye width

D ₀ ‧‧‧Bench size display

D ₁ ‧‧‧Displays smaller than the reference size in the overlapping display range

D ₂ ‧‧‧Axis display or range slide display

D _D ‧‧‧Interval of display

D _P1 ‧‧‧ Left and right picture interval (image distance) displayed on display D ₁

D _P2 ‧‧‧ Display interval of the display or image distance of the stereo slide

The interval between imaging components around D _S ‧‧

E _L ‧‧‧Left eye

E _R ‧‧‧right eye

Efef‧‧‧ display

F‧‧•focal length

L‧‧‧ to the distance of the reference size display screen

L ₀ ‧‧‧Setting distance of the reference size

Distance from L ₁ ‧‧‧ to display D ₁

L ₂ ‧‧‧Setting range display monitor D ₂ or stereo slide setting distance

L _X ‧‧‧The distance from the observer's eye to the intersection of the left and right juxtaposed display range and the overlapping display range (in principle)

O‧‧‧The point of action of the projection lens

P _L ‧‧‧Display range of the left screen larger than the screen size of the reference size

R _R ‧‧‧Display range of the right screen larger than the screen size of the reference size

S‧‧‧ camera components

S ₀ ‧‧‧Default size display screen position screen

S ₁ ‧‧‧screen at a close distance (1 m)

S ₂ ‧‧‧ Screen at the distance between the juxtaposition and the image

S ₃ ‧‧‧Screen located farther than the reference size display screen position

W _D ‧‧‧Width of display

W _D ‧‧‧Width of display

W _P0 ‧‧‧Display D ₀ width

W _P1 ‧‧‧Display D ₁ (partial) width

W _P2 ‧‧‧ width of each display

W _ref ‧‧‧The same point of view of the left and right photographic fields when installing a wide-angle lens

W _ref ‧‧‧Consistent point of left and right photographic field in the case of long focal length lens

W _S ‧‧‧Width of camera components

W _W ‧‧‧ reference window width

X‧‧‧ shows the position of the symmetry point of the infinity image (the optical axis extension point)

Α‧‧‧ viewing angle

Θ‧‧‧projection angle

Optical axis of Φ‧‧‧ stereo camera

Optical axis of Φ(L)‧‧‧ stereo camera (left)

Optical axis of Φ(R)‧‧ stereo camera (right)

Figure 1 is a perspective view of the present invention.

2(a) to 2(b) are diagrams showing the relationship between the television (the large TV shown) of the reference size display screen of Fig. 1 and the stereo camera that sends the standard stereoscopic image data.

Figure 3 is a detailed explanatory diagram of Figure 1.

Fig. 4 is an explanatory view showing a case where a wide-angle lens is mounted in the stereo camera of Fig. 2(b).

Fig. 5 is an explanatory view showing a state in which a telephoto lens is mounted in the stereo camera of Fig. 2(b).

Fig. 6 is an explanatory view of a stereoscopic projector in which two left and right projection units are combined.

Figure 7 is an explanatory view of a stereoscopic projector of a single projection unit.

Fig. 8 is an explanatory view of an actual projection type stereo television which is displayed by a linear polarization time division of a single projection unit.

Fig. 9 is an explanatory view of an actual projection type stereo television which is displayed by a circular polarization time division of a single projection unit.

Fig. 10 is an explanatory view of a stereoscopic television camera that can observe a stereoscopic image on a stereoscopic monitor and can simultaneously view a real scene.

Figure 11 is an embodiment of a collimation pattern shown on a stereoscopic monitor.

Figure 12 is a perspective view of a stereoscopic image display device.

Fig. 13 is a cross-sectional view showing the field of view separation glasses and the field-of-sight correction glasses of the stereoscopic image display device of Fig. 12.

Claims (4)

A stereoscopic image display device is provided with an electronic display such as an LCD or an organic EL, which is arranged at a position closer to a clearer distance of a frame on which the liquid crystal glasses or the liquid crystal shutter glasses of the fixed-eye correction lens are fixed, and displays the stereoscopic image in an interactive time-sharing manner. The left and right images are imaged on the display, and the liquid crystal glasses or the shutter glasses are opened and closed in synchronization with the left and right images, and the left and right images are separated and viewed by the two eyes. The stereoscopic image is time-divisionally displayed on the connected reference size display screen. The left and right sides of the line between the two ends of the appreciator and the width of the right side of the appreciator's right eye are determined by the left view angle of the appreciator's left eye line. A part of them is displayed at positions overlapping each other to view a stereoscopic image equivalent to the reference size display screen. A stereoscopic image display device is disposed at a position closer to a clear distance on a frame of a fixed liquid crystal eyeglass or a liquid crystal shutter glass, and is provided with an electronic display such as an LCD or an organic EL, and interactively displays a stereo image on the display. By simultaneously opening and closing the liquid crystal glasses or the shutter glasses in synchronization with the left and right images, the left and right images are separated and viewed by the two eyes, and the stereoscopic image is time-divisionally displayed on both ends of the connection reference size display screen and the appreciator. The left eye line determines the width in the left view angle and the right view angle determined by the two ends of the connection reference size display screen and the appreciator's right eye line. Therefore, one of the left and right images is displayed overlapping each other. Position, you can view the stereo image equivalent to the reference size display. A stereoscopic slide and a three-dimensional photocopying are produced by juxtaposing the left and right images by a standard stereoscopic image data. If the width of the human eye is B, the setting distance of the display D ₀ of the reference size display screen is L ₀ , the stereoscopic slide and the stereoscopic The appreciating distance of photocopying is an arbitrary distance L ₂ , that is, the interval D _{P2 of the} left and right screens is determined by the interval determined by the number of D _P2 = B (1-L ₂ / L ₀ ). In the three-dimensional image display device of claim 1 or 2, wherein the left and right stereoscopic images on the electronic display are vertically superimposed on the left and right stereoscopic fields by the software, thereby forming a stereoscopic stereoscopic image and The collimation pattern confirms the state of the stereoscopic view.