WO2003047275A1 - Systeme d'image tridimensionnelle et procede de projection d'image tridimensionnelle - Google Patents
Systeme d'image tridimensionnelle et procede de projection d'image tridimensionnelle Download PDFInfo
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- WO2003047275A1 WO2003047275A1 PCT/JP2002/012456 JP0212456W WO03047275A1 WO 2003047275 A1 WO2003047275 A1 WO 2003047275A1 JP 0212456 W JP0212456 W JP 0212456W WO 03047275 A1 WO03047275 A1 WO 03047275A1
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- image
- eye
- display
- stereoscopic
- generation unit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/398—Synchronisation thereof; Control thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/349—Multi-view displays for displaying three or more geometrical viewpoints without viewer tracking
Definitions
- the present invention relates to a stereoscopic image system and a stereoscopic image projection method.
- the present invention relates to a display field of a virtual stereoscopic image called virtual reality.
- U.S. Pat. No. 6,154,732 is a CAVE (Cave Automatic Virtual Environment) developed at the Electronic Visualization Laboratory at the University of Illinois in Chicago, USA.
- a projector By displaying a two-dimensional image on the front, left and right wall surfaces, and the bottom surface of the observer in a space of about 3 m3 using a projector, the viewer can perceive the image three-dimensionally. Things.
- This projector alternately projects a stereoscopic image for the right eye and for the left eye.
- the observer wears glasses with a liquid crystal shirt and projects a three-dimensional image for the right eye, the right-eye LCD shirt is opened when projecting a three-dimensional image for the left eye.
- the viewer can see it with a three-dimensional effect.
- the LCD shirt and the projector image are released in synchronization.
- a position sensor is incorporated in the glasses, and the position coordinates of the observer are fed-packed to the image synthesizing device, and a matrix operation is performed on the original image data to generate a stereoscopic image.
- Japanese Patent Application Laid-Open No. 9-2373753 further discloses a stereoscopic image system and a game system capable of displaying a virtual body image on a body part such as an observer's hand in addition to the position coordinates of glasses.
- a system is disclosed.
- Japanese Patent Application Laid-Open No. 7-222070 discloses that a signal from a plurality of tuners is selected one by a video selector based on a signal from a timing generator and displayed on a video display device. A system for viewing with evening glasses is disclosed.
- the left-eye image and the right-eye image signal are converted into digital signals, and the digital data is stored in frame data and displayed on a projection tube.
- the vertical synchronizing signal used in a stereoscopic video projection tube is about 120 Hz, so 60 left-eye images and 60 right-eye images are generated per second.
- 120 images are generated once per second as analog signals, then digitized and recorded in one frame buffer while being combined. You need storage.
- a video selector controls a plurality of analog-to-digital converters (ADCs), a plurality of video memories, multiplexers, digital-to-analog converters (DACs), and the like. are doing.
- ADCs analog-to-digital converters
- DACs digital-to-analog converters
- a plurality of video memories are required, but the video memories are expensive, and a problem arises in that a plurality of video memories increases costs.
- a tuner is provided before the video selector, so no further frame buffer is used, but in the case of a stereoscopic video device, the tuner is not used.
- a computer is deployed instead. For this reason, video memory is required for screen output in the first place, which requires an increasingly expensive video memory.
- a high-performance computing unit is required to detect positional information and generate a stereoscopic video for each surface. Further, as described above, a high-performance arithmetic unit and a large-capacity storage device are required for the display device. For this reason, it was necessary to use multiple large computers as a computing system.
- the video display device also has a high vertical synchronization signal of 120 Hz for video display devices. It required a high-performance, large-scale RGB device and a screen to run on a PC. However, the timing control of each computer and observation glasses was not uniform, and there was a problem in terms of image quality. Together with these issues, the equipment became larger, more sophisticated, and more expensive.
- the synchronization error between the left and right signals is 100 0 It is necessary to display with a precision of 1 / 10,000 Hz or more. In other words, when displaying a normal image, synchronization is not necessary for the start of a continuous image, but the start is important for displaying different images alternately and repeatedly. Accuracy of 1 / 100,000 or more is required to match the head signal of this video. Challenges have arisen in designing a synchronous circuit with this accuracy.
- an object of the present invention is to solve the problems of cost, quality, and size by adopting a personal computer as a control device for displaying each screen and each data for both right and left eyes.
- a personal computer as a control device for displaying each screen and each data for both right and left eyes.
- a synchronizing unit that synchronizes the entire system is provided, and the video is synthesized for each of the left-eye and right-eye signals, respectively.
- a unique electric circuit and a program are provided as firmware, and the number of frame buffers is minimized to be combined with the control device.
- the firmware is composed of software and hardware, and is composed of an electric circuit created for a specific purpose and its control program.
- a CRT and a thin display will be adopted in addition to the conventional structure consisting of a screen and a projector to reduce costs and reduce the size of the equipment.
- a stereoscopic image system and a method for solving the above-described problem by providing a hard switch for inverting a synchronization signal in a case where the closing timing of the left eye shirt and the right eye shirt of glasses is reversed. It is in. Disclosure of the invention
- a stereoscopic image system is a stereoscopic image system that allows an observer to stereoscopically recognize a virtual body image, wherein a left-eye image generation unit, a right-eye image generation unit, An image synthesizing unit connected to both of these image generating units, a display unit for drawing the output of the image synthesizing unit, glasses equipped with a shirting device, and the two image generating units and the image synthesizing unit.
- a synchronous signal generator to be driven wherein the synchronous signal generator inputs a synchronous signal to the two video generating units, the image synthesizing unit, and the glasses to synthesize a left-eye image and a right-eye image.
- the display is performed in synchronization with the display unit, and the shutter opening / closing operation of the glasses provided with the shirt evening device is synchronized with a synchronization signal.
- the video generation unit may include a control unit that calculates a stereoscopic video signal from the stereoscopic video data, and an image generation unit that generates a video signal from the stereoscopic video signal.
- the video generation unit further includes a left-eye image generation unit. And a right-eye image generation unit.
- the video generation unit may include one control unit, a left-eye image generation unit, and a right-eye image generation unit.
- the image generation unit may further include a phase comparison circuit, a VCO circuit connected to the phase comparison circuit, and a graphic processor circuit, and the image generation unit may be connected to a conductor connecting the phase comparison circuit and the VCO circuit.
- the output of the Vco circuit may be connected to the frequency division circuit, and the output of the frequency division circuit may be connected to the phase comparison circuit.
- the glasses may further include a position sensor, and may be connected to a position control unit that controls information from the position sensor.
- a plurality of display units may be further provided, the plurality of display units may be provided with their ends adjacent to each other, and the plurality of display units may be provided at adjacent ends of each display unit. May be arranged so as to be joined to each other, and a plurality of display units may be arranged in the same straight line.
- a switch for switching the opening / closing mode is provided.
- the display unit may be composed of a CRT, a plasma display, an organic EL display, or an LED integrated display.
- the image generation unit may be firmware having a synchronization circuit input unit, and the position sensor may be attached to the manipulator to detect a change in the maneuver.
- the manipulator can be operated with a joystick, mouse device, 3D track pole, etc.
- the stereoscopic image projection method is a stereoscopic image projection method for allowing an observer to three-dimensionally recognize a virtual body image
- the synchronizing signal generator includes two video generation units, an image synthesis unit, and an eyeglass.
- a left-eye image and a right-eye image are combined and displayed on the display unit in synchronization with each other, and a shirt with glasses equipped with a shirt and a position sensor is synchronized with the synchronization signal.
- the stereoscopic image projection program according to the present invention is a stereoscopic image projection program for allowing an observer to three-dimensionally recognize a virtual body image, wherein the synchronization signal generator synchronizes the two image generation units, the image synthesis unit, and the glasses.
- a signal is input, a left-eye image and a right-eye image are combined and displayed in synchronization with the display unit, and a shirt with glasses equipped with a shirt device and a position sensor is synchronized with a synchronization signal.
- the synchronization signal generator moves the left-eye image generation unit, the eye-eye image generation unit, and the image synthesis unit in a horse-like manner
- the synchronization signal generator includes the two video generation units and the image.
- a synthesizing unit, a synchronizing signal is input to the spectacles, the left-eye image and the right-eye image are synthesized and displayed in synchronization with the display unit, and the spectacles include a shirting device and a position sensor. Synchronize the shirt with the synchronization signal.
- FIG. 1 is a configuration diagram showing a stereoscopic video system according to the present invention
- FIG. 2 is an embodiment diagram showing a stereoscopic image projection method according to the present invention
- FIG. 3 is a configuration diagram of a second embodiment of the stereoscopic image system according to the present invention
- FIG. 4 is a configuration diagram of a third embodiment of the stereoscopic image system according to the present invention
- FIG. 5 is a configuration diagram of an image generating unit 4 in a fourth embodiment of the stereoscopic image system according to the present invention.
- FIG. 6 is a detailed configuration diagram of the image generation unit 4 in the fourth embodiment of the stereoscopic image system according to the present invention.
- FIG. 7 is an operation waveform diagram in the image generation unit 4 of the fourth embodiment of the stereoscopic image system according to the present invention.
- FIG. 8 is a flowchart showing a stereoscopic video projection method according to the present invention.
- FIG. 1 illustrates a configuration of a stereoscopic image system according to the present invention
- FIG. 2 illustrates a state where an observer actually observes a stereoscopic image.
- the front of the observer A is the front display 8
- the upper surface of the observer A is the upper display 20
- the side of the observer A is the side display 32.
- the image synthesizing unit is electrically connected to each display to generate a video signal.
- the front image synthesizing unit 6, the top image synthesizing unit 18, and the side image synthesizing unit 30 are respectively connected to the front display 8,
- the top display 20 and the side display 32 are connected by wires 7, 19 and 31 respectively.
- the image synthesizing unit is further connected to the left-eye image generating unit and the right-eye image generating unit, respectively. That is, the front left-eye image generating unit 4 is connected to the front image synthesizing unit 6 by the conducting wire 5, the front right-eye image generating unit 12 is connected to the front image synthesizing unit 6 by the conducting wire 13, and the upper left-eye image generating unit 16 is connected to the conducting wire. 17, the upper right image generating unit 24 is connected to the upper image synthesizing unit 18 by a conducting wire 25, and the left side image generating unit 28 is connected to the right image generating unit 3 6 by a conducting wire 29. Are connected to the side image combining section 30 by the conducting wire 37.
- the switch 30 is provided with a switch for switching the phase of the synchronization signal transmitted to the left eye shirt 4144 and the right eye shirt 44 r, so that when the observer A views the stereoscopic image, the phase shift occurs. It has a function to invert the phase when a three-dimensional effect cannot be obtained.
- the image generation unit is further connected to the control unit. That is, the front left-eye image generation unit 4 is connected to the front left-eye control unit 2 via the conductor 3, and the front right-eye image generation unit 12 is connected to the front right-eye control unit 10 via the conductor 11. Is done. Also, the upper left eye image generator 16 is connected to the upper left eye controller 14 via a lead 15, and the upper eye image generator 24 is connected to the upper right eye controller 2 via a lead 23. Connected to 2. Further, the side left-eye image generation unit 28 is connected to the side left-eye control unit 26 via a lead 27, and the side right-eye image generation unit 36 is connected to the side right-eye control unit 34 via a lead 35. Connected to
- control units 2, 10, 14, 14, 22, 26, 34 and the position control unit 40 are connected to each other by a network cable 41.
- the position control unit 40 is also connected to a position sensor 46 provided on the glasses 42 worn by the observer A via a lead wire 47. Further, the position control unit 40 is connected to the stereoscopic video data storage device 48 by a conductor 49.
- the spectacles 42 worn by the observer A are also provided with shirts 44 on each lens.
- the synchronization signal generator 38 drives the shirts 44 via the conducting wires 45.
- a synchronization signal is input, but as shown in FIG. 1, a separate drive section 44 s is provided in the image synthesis section 30, and a left eye shirt 4 4 1 is connected to the drive section 44 s by a lead wire 45.
- Right eye shirt 4 4 r the driving section 44 s may not be provided, and the driving section 44 may be directly driven from the synchronization signal generator 38.
- the synchronizing signal device 38 is further connected to the image generating units 4, 12, 16, 16, 24, 28, 36 and the image synthesizing units 6, 18, 30 by a conductor 39.
- the control units 2, 10, 14, 14, 22, 26, and 34 are each composed of a personal computer, a function of receiving stereoscopic video data via the position control unit 40 and the network 41, and position sensor coordinates.
- the function of receiving data, the stereoscopic image data and the position sensor It has a function to calculate the video including the parallax of the observer's eyes on each surface from the target and send out the drawing signal.
- the image generators 4, 12, 16, 24, 28, and 36 have a function to further convert the drawing data generated by the control units 2, 10, 14, 22 26, and 34 into RGB signals, and as a vertical synchronization signal
- the synchronizing signal is obtained from the conductor 39, and this RGB signal is sent to the image synthesizing unit.
- the image generation unit which is usually called a graphic card, is particularly configured to take in a vertical synchronization signal from the outside.
- the image synthesizing units 6, 18, and 30 receive the RGB signals transmitted from the image generating unit for the left eye and the image generating unit for the right eye, and alternately display the signals in synchronization with the synchronizing signal received from the conductor 39. It has the function of sending to That is, there is no need for a DAC or ADC for converting an image or a video memory for storing image data.
- the displays 8, 20, and 32 are for rendering the RGB signals sent from the image synthesizing units 6, 18, and 30.
- the displays 8, 20, and 32 may be constituted by any display device such as a CRT, a plasma display, an organic EL display, an LED integrated display, or a projection device.
- the position control unit 40 has a function of receiving position information of the spectacles of the observer A from the position sensor, calculating position coordinates, and sending the coordinates to the control units 2, 10, 14, 22, 26, and 34.
- This position control unit is also composed of a personal computer.
- the three-dimensional video data storage device 48 is connected to the position control unit 40, in which three-dimensional data as video data is recorded, and each of the control units 2, 10, 14, 22, 22, It is sent to 26 and 34.
- the eyeglasses 42 are provided with a position sensor 46 on the side thereof, and the lenses are composed of a left-eye liquid crystal shirt 441 and a right-eye liquid crystal shirt 44r.
- the position sensor 46 calculates three-dimensional coordinates in space in real time and sequentially sends the result to the position control unit 40.
- the liquid crystal shutter is arranged so as to shield the lens portion of the eyeglasses, and receives a signal.
- a liquid crystal drive unit When a specific signal is received, a specific signal is applied to the liquid crystal, so that the specific polarization or natural light is blocked and not passed.
- this device for example, there are a right-eye image that only the right eye should see and a left-eye image that only the left eye should see. Is a device that controls so that an image can be viewed.
- the left-eye LCD shirt 4 4 1 opens the left lens in synchronization with the synchronization signal sent from the synchronization signal generator 38.
- the right-eye liquid crystal shirt 44 r opens the lens in synchronization with the synchronization signal sent from the synchronization signal generator 38.
- the left-eye LCD shirt 4 4 1 and the right-eye LCD shirt 4 4 r are alternately opened.
- a switch for switching the opening / closing mode may be provided. The switching may be easily performed by inverting the phase from the driving section 44 s or the synchronization signal generator 38 by the switching switch, and may be provided adjacent to the driving section 44 s or the synchronization signal generator 38.
- the synchronizing signal device 38 is a device for generating a vertical synchronizing signal of about 120 Hz or about 100 Hz, and has a function of transmitting a synchronizing signal to the image generating unit, the image synthesizing unit, and the shirt. Prepare.
- the image for the left eye and the image for the right eye shifted by the parallax are alternately displayed on the display, and the image for the left eye can be seen only by the left eye by the shirt provided on the glasses, and the image for the right eye is Only the right eye can see.
- the image according to the present invention is such that when viewed in this manner, the displayed image can be seen as if it were three-dimensionally raised. Furthermore, as shown in Fig. 2, images are displayed on the front, side, and top surfaces, so that the viewing angle is widened and the appearance of three-dimensional images that differs depending on the viewer's position can be reproduced.
- FIG. 3 illustrates the configuration of a second embodiment of the stereoscopic image system according to the present invention.
- each control unit is configured to drive the left-eye image generation unit and the right-eye generation unit independently without being divided into the left-eye and right-eye units. Configured like this This increases the amount of computation per control unit, but the cost can be further reduced by reducing or sharing the number of control units.
- FIG. 4 illustrates the configuration of a third embodiment of the stereoscopic image system according to the present invention.
- the third embodiment has a configuration in which a synchronization signal is generated on the image generation unit 12 and the synchronization signal is further input to the image generation unit 4. With such a configuration, control using a synchronization signal becomes possible without providing the synchronization signal generator 38 externally.
- FIG. 5 illustrates the configuration of the image generating unit 4 in the fourth embodiment of the stereoscopic image system according to the present invention.
- the synchronization signal is input to the phase comparator 72 via the conductor 39, the output of the phase comparator 72 is input to the VCO circuit 76, and the 0 â circuit 76 Is output to the graphic processor 80, the video signal is output from the graphic processor 80, and the clock signal is input to the reproduction phase comparator 72 as a comparison pulse 82.
- the synchronization signal is compared with the signal from the graphic processor, the phase difference is corrected by the VCO and input to the graphic processor, and the synchronization signal is input again from the graphics processor to the phase comparator.
- the graphic processor is configured to operate in synchronization with the target synchronization signal.
- the phase comparator 72 is a circuit used in the PLL circuit Phase Locked Loop to detect a phase difference that outputs a phase difference between two signals as a DC voltage.
- V C076 is a voltage-controlled led oscillator, which is a circuit that changes the oscillation frequency according to the voltage change and changes the frequency in order to reduce the detected phase difference.
- the graphic processor 80 is an LSI device that generates an RGB signal from digital image data.
- the synchronization signal is used as a trigger for generating an RGB signal.
- FIG. 6 illustrates a detailed configuration of the image generation unit 4 in the fourth embodiment of the stereoscopic image system according to the present invention.
- a reference pulse 39 and a comparison pulse 90 which are synchronization signals, are input to the phase comparator 72, and an output signal 74 is connected to the VCO 76 and the capacitor 75. The other electrode of the capacitor 75 is grounded.
- the VCO 76 outputs its output to the delay processor 80 and outputs the clock signal 86 to the frequency division circuit 88.
- the output of the frequency division circuit 88 is a comparison pulse 90 and is input to the phase comparator 72.
- the phase comparator 72 has a PNP transistor 92 connected to the power supply side and an NPN transistor 94 connected to the GND side.
- the LPF is deleted to reduce the phase difference, and only the capacitor 75 is provided.
- the frequency division circuit 88 is a circuit that changes the frequency of the input signal to a value that is a fraction of an integer, and is a circuit for generating the necessary frequency in the image generation unit 4.
- FIG. 7 shows an operation waveform diagram in the image generation unit 4 of the stereoscopic image system according to the fourth embodiment of the present invention.
- the horizontal axis represents the time axis and the vertical axis represents the voltage
- pulse39 is the reference pulse
- pulse90 is the comparison pulse
- PLL (+) 74 is the reference pulse whose phase is the comparison pulse.
- the PNP transistor 92 turns on and a current flows from the power supply to the output of the phase comparator 72.
- the PLL (-) 74 delays the phase of the reference pulse from the phase of the comparison pulse.
- the NPN transistor 94 is turned ON and a current flows from the output of the phase comparator 72 to GND.
- the PLL (+) and PLL (-) generate signals, but the phase difference between the reference pulse pulse39 and the comparison pulseinstall e90 at time t10 and time t12.
- the PLL (+) and PLL (â) only have high impedance and do not cause falling and falling. Therefore, the time axis is further enlarged at time t10 (b).
- pulse39 of the reference pulse and comparison pulse pulse90 rise at the same time at time t10, the PLL (-) becomes high impedance until t10 at t9, and time t10 During the period from t1 to t11, the PLL (+) becomes high impedance.
- phase difference is reduced by VC 076 and the frequency division circuit 88, and the vertical axis is shown in FIG. 7 (c).
- the phase difference is converged between the specific phase differences p 0 and p 1.
- the phase difference can be small, and the frequency is locked in the dead zone between the phase difference P 0 and D 1 and synchronized with the synchronization signal.
- the accuracy of the phase difference can be locked to 1 / 100,000 Hz even if the vertical synchronization signal is about 120 Hz.
- the flight video data of the airplane 50 is composed of a combination of three-dimensional coordinate data of each mass point and triangular surface data connecting the three mass points.
- This flight video data is initially recorded in the stereoscopic video data storage device 48, and in the 3D data capture process 70, each control unit 2, 10, 1 is connected via the position control unit 40 and the network 41. It is distributed to 4, 22, 26, and 34.
- the position sensor takes in the position coordinates of the glasses, and this position information is registered as the origin first. This is the position signal detection step 58.
- the synchronization signal generator 38 generates a reference synchronization signal along with the power supply ON of the apparatus, and starts sending synchronization signals to the image generation unit, the image synthesis unit, and the shirt. This step is the reference synchronization signal 60.
- Calculating the projected position of the model 50 on each display is an individual image rendering. This is the calculation generation step 62. That is, when the position coordinates of the position sensor, which is the viewpoint of the observer A, and the position coordinates of the position of the airplane model 50 are determined, the projection position 52 on the front display 8 and the projection position 5 4 on the top display 20 are determined. Then, the projection position 56 on the side display 32 is determined. Here, the position coordinates where the airplane model 50 is present are determined from the stereoscopic video data. For these projection positions 52, 54, and 56, the coordinates captured by the parallax of the right eye and the coordinates corrected by the parallax of the left eye are obtained.
- Each of the control units 2, 10, 14, 14, 22, 26, and 34 computes these coordinates to generate image data. In other words, the calculation of these control units generates the image for the front left eye, the image for the front right eye, the image for the top left eye, the image for the top surface, the image for the side left eye, and the image for the side right eye. .
- the step of integrating the above images and displaying them on each display is the respective plane image synchronous transmission step 64.
- the video is converted into an RGB signal by each of the image generation units 4, 12, 16, 24, 28, and 36.
- the left-eye image and the right-eye image on the same plane are integrated by the image synthesizing units 6, 18, and 30.
- 60 left-eye images and 60 right-eye images are alternately transmitted to the display in one second in synchronization with the signal 120 Hz from the synchronization signal generator 38.
- the video signal can be transmitted without unnecessary digital-analog conversion and analog-digital conversion.
- the video memory is only used for the image generation unit and the image synthesis unit can be manufactured without using any video memory, the cost can be greatly reduced.
- the eyeglasses synchronized shirt evening driving step 66 drives the opening and closing of the shirts provided on the glasses of the observer A in synchronization with the above-mentioned synchronization signal. That is, since the images of the left and right eyes are merely drawn alternately in the step 64, if the images are simultaneously observed with both eyes, only a double image with a parallax shift is observed. Therefore, when the left-eye image is projected, the left-eye portion of the eyeglasses 42 is opened, and conversely, when the right-eye image is projected, the eyeglasses 42 are worn. The right eye of is opened. As a result, observer A can observe the image that has emerged as a three-dimensional image.
- the process in which the observer A moves with the observation of the image is the observer movement step 68.
- This position detection step returns to the position signal detection step 58 again. This process is repeated until the video data ends. That is, when the observer A moves, the position of the three-dimensional image changed by the movement is calculated by the control unit and drawn. Therefore, observer A can view the stereoscopic image displayed on the image by moving his or her viewpoint, such as turning up, down, left, or even backward, or looking up from below.
- the number of displays can be changed from one to six by changing the number of control units, image generation units, and image composition units.
- one screen it is possible to use a portable three-dimensional video device.
- six screens a three-dimensional video image in all directions can be displayed.
- the conductor connecting these components does not necessarily have to be a wired connection.
- the position sensor and the position control unit can be wirelessly connected.
- the viewpoint information of the observer A is detected by the position sensor, if the position information can be changed to the viewpoint, the position information may be freely input by using a joystick or the like.
- the display can use any configuration of a projection device such as a plasma display, a CRT, an organic EL, and a projection.
- the three-dimensional image system and the three-dimensional image projection method according to the present invention by employing a personal computer for the control device that displays each screen, downsizing and cost reduction can be achieved, and a synchronization unit that synchronizes the entire system can be provided. By providing such a signal, the signal period of the entire device can be accurately matched. Further, by providing a unique electric circuit and a program as firmware and combining it with a control device, it is possible to generate a left-eye signal and a right-eye signal of an image, respectively.
- left-eye image and right-eye image can be used without using the effective video memory more than necessary.
- a thin display made of CRT can be adopted to reduce costs and reduce the size of the device.
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- Processing Or Creating Images (AREA)
Description
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Claims
1 . 芳å¯è
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US9001193B2 (en) * | 2010-03-23 | 2015-04-07 | Samsung Electronics Co., Ltd. | Apparatus, method and system for synchronization and 3D display apparatus using the same |
WO2011125148A1 (ja) * | 2010-04-01 | 2011-10-13 | ïŒ®ïœ ïœãã£ã¹ãã¬ã€ãœãªã¥ãŒã·ã§ã³ãºæ ªåŒäŒç€Ÿ | ç«äœæ å衚瀺ã·ã¹ãã ããã³ç«äœè¡šç€ºèª¿æŽæ¹æ³ |
KR101598926B1 (ko) * | 2010-04-16 | 2016-03-02 | ìŒì±ì ì 죌ìíì¬ | ì í° ì겜 |
US20120169852A1 (en) * | 2011-01-04 | 2012-07-05 | Samsung Electronics Co., Ltd. | Display apparatus and system |
CN104113748A (zh) * | 2014-07-17 | 2014-10-22 | å¯äŸ | 3dææç³»ç»åå®ç°æ¹æ³ |
US10543414B2 (en) | 2014-08-28 | 2020-01-28 | Sony Corporation | Image processing device and image processing system |
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JPH06113340A (ja) * | 1992-09-09 | 1994-04-22 | Fujita Corp | ç«äœèŠç»åã®åæè¡šç€ºè£ çœ® |
JPH06178327A (ja) * | 1992-12-08 | 1994-06-24 | Matsushita Electric Ind Co Ltd | é«èšå Žæ å衚瀺æ¹æ³ãšãã®è£ 眮 |
JPH08331603A (ja) * | 1995-05-30 | 1996-12-13 | Canon Inc | ïŒæ¬¡å æ åçšã·ã£ãã¿è£ 眮 |
JPH09237353A (ja) * | 1995-12-29 | 1997-09-09 | Sega Enterp Ltd | ç«äœç»åã·ã¹ãã ããã®æ¹æ³ãã²ãŒã è£ çœ®åã³èšé²åªäœ |
JPH1116000A (ja) * | 1997-06-20 | 1999-01-22 | Sega Enterp Ltd | ç»å衚瀺å¶åŸ¡æ¹æ³åã³ãããçšãããããªã²ãŒã è£ çœ® |
JP2001028767A (ja) * | 1999-07-12 | 2001-01-30 | Denso Corp | å€éç»å衚瀺ã·ã¹ãã |
JP2001236521A (ja) * | 2000-02-22 | 2001-08-31 | Japan Science & Technology Corp | ç»ååå²æ¹åŒã«ããä»®æ³çŸå®ã·ã¹ãã |
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JP2003168136A (ja) | 2003-06-13 |
WO2003047275B1 (fr) | 2003-10-23 |
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