WO2012066997A1 - Système d'affichage stéréoscopique - Google Patents

Système d'affichage stéréoscopique Download PDF

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Publication number
WO2012066997A1
WO2012066997A1 PCT/JP2011/075821 JP2011075821W WO2012066997A1 WO 2012066997 A1 WO2012066997 A1 WO 2012066997A1 JP 2011075821 W JP2011075821 W JP 2011075821W WO 2012066997 A1 WO2012066997 A1 WO 2012066997A1
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WIPO (PCT)
Prior art keywords
image
stereoscopic
observer
face
glasses
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PCT/JP2011/075821
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English (en)
Japanese (ja)
Inventor
亮 山川
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シャープ株式会社
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Publication of WO2012066997A1 publication Critical patent/WO2012066997A1/fr

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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
    • 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
    • H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
    • H04N13/341—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using temporal multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2213/00—Details of stereoscopic systems
    • H04N2213/008—Aspects relating to glasses for viewing stereoscopic images

Definitions

  • the present invention relates to a stereoscopic display system that displays a stereoscopic image to an observer using stereoscopic glasses.
  • Patent Document 1 Japanese Patent Laid-Open No. 2010-117437
  • Patent Document 1 describes light transmission of optical shutter glasses in synchronization with an image switching cycle of a liquid crystal display that alternately displays right-eye images and left-eye images.
  • a 3D (three-dimensional) display device for controlling the state is described.
  • An object of the present invention is to provide a stereoscopic display system having a novel structure capable of showing a stereoscopic image to an observer regardless of the posture of the observer.
  • the stereoscopic display system includes a display panel on which a stereoscopic image is displayed, an inclination detection unit that detects an inclination of the face of an observer wearing stereoscopic glasses, and a detection by the inclination detection unit.
  • An inclination determination unit that determines which of a plurality of predetermined conditions the inclination of the observer's face to the left and right satisfies, and the inclination of the observer's face detected by the inclination detection unit to the left and right
  • An image switching unit configured to allow an observer to view the stereoscopic image provided corresponding to the condition when any one of the plurality of conditions is satisfied.
  • a stereoscopic image can be shown to the observer regardless of the posture of the observer.
  • FIG. 1 is a block diagram showing a schematic configuration of a stereoscopic display system as a first embodiment of the present invention.
  • FIG. 2 is a plan view showing a schematic configuration of pixels of a liquid crystal panel in the stereoscopic display system shown in FIG. 1.
  • Explanatory drawing which shows the relationship between the glasses for stereoscopic vision and the image for right eyes and the image for left eyes which are displayed on a liquid crystal panel in the state in which the observer's face is directly facing the liquid crystal panel.
  • Description showing the relationship between the stereoscopic glasses and the right-eye image and the left-eye image displayed on the liquid crystal panel in a state where the observer's face is inclined 90 degrees to the left with respect to a reference line extending in the vertical direction Figure.
  • a stereoscopic display system includes a display panel on which a stereoscopic image is displayed, an inclination detection unit that detects an inclination of the face of the observer wearing the stereoscopic glasses, An inclination determination unit that determines which of a plurality of predetermined conditions the inclination of the observer's face detected by the inclination detection unit satisfies a predetermined condition, and the left and right of the observer's face detected by the inclination detection unit An image switching unit configured to cause an observer to show the stereoscopic image provided corresponding to the condition when the inclination to the image satisfies any of the plurality of conditions (first image) Constitution).
  • a stereoscopic image corresponding to the left / right inclination of the observer's face can be seen.
  • the stereoscopic image can be shown to the viewer regardless of the posture of the viewer.
  • the plurality of conditions include that an observer's face is inclined 90 degrees to the left with respect to a reference line extending in a vertical direction, and the observer's face is Inclining 90 degrees to the right with respect to the reference line is included.
  • a stereoscopic image viewed with the left eye of the observer, and the observer's face on the right side with respect to the reference line When viewed at 90 degrees, the stereoscopic image viewed with the right eye of the observer is the same.
  • the stereoscopic image viewed with the observer's right eye, and the observer's face is inclined 90 degrees to the right with respect to the reference line.
  • the stereoscopic image viewed with the left eye of the observer is the same as the viewer. Therefore, the types of stereoscopic images can be reduced.
  • the image switching unit in the first or second configuration, the image switching unit generates the stereoscopic image.
  • it is not necessary to prepare a stereoscopic image in advance.
  • it is possible to reduce the burden when the image switching unit generates the stereoscopic image.
  • the fourth configuration further includes a switching operation unit that is operated when an observer changes the type of the stereoscopic image in any one of the first to third configurations, and the inclination determination unit includes: Based on the switching operation signal from the switching operation unit, it is determined that the condition is satisfied. In such a configuration, the observer can freely change the type of the stereoscopic image.
  • the image switching unit is configured such that the left-right tilt of the face of the observer detected by the tilt detection unit satisfies the plurality of conditions.
  • the image processing apparatus includes a glasses control unit that controls a light transmission state of the stereoscopic glasses so that the viewer can see the stereoscopic image provided corresponding to the condition.
  • a glasses controller is provided in the stereoscopic glasses. In such a configuration, the stereoscopic image that can be seen in the stereoscopic glasses can be made different for each observer. As a result, a plurality of observers can view a stereoscopic image in a free posture.
  • a sixth configuration includes a plurality of the stereoscopic glasses in the fifth configuration, each of the stereoscopic glasses includes the tilt detection unit, and each of the image switching units is detected by each tilt detection unit.
  • the stereoscopic image provided corresponding to the condition that the right / left inclination of the observer's face satisfies is shown to the observer.
  • the tilt detection unit is provided in each of the stereoscopic glasses, it is easy to detect the tilt of each observer's face to the left and right.
  • a seventh configuration is the stereoscopic image according to the sixth configuration, wherein the image switching unit is provided in accordance with a condition that the left-right inclination of the observer's face detected by each inclination detection unit is satisfied. Is further provided with an image changing unit that sequentially outputs the images in a predetermined order.
  • the stereoscopic image output by the image changing unit is limited to those that satisfy the condition. For this reason, the types of stereoscopic images output by the image changing unit can be reduced.
  • the image switching unit further includes an image changing unit that sequentially outputs the stereoscopic images provided in correspondence with each of the plurality of conditions in a predetermined order.
  • the glasses control unit includes the stereoscopic image provided corresponding to the condition that the right and left tilt of the face of the observer wearing the stereoscopic glasses provided with the glasses control unit is satisfied.
  • the light transmission state of the stereoscopic glasses is controlled so as to be shown to the observer. In such a configuration, it is not necessary to change the type of stereoscopic image output by the image changing unit for each condition that the left / right inclination of the observer's face satisfies.
  • the ninth configuration is a configuration in which, in any one of the first to fifth configurations, the tilt detection unit is provided in the stereoscopic glasses. In such a configuration, it is possible to easily detect the tilt of the observer's face to the left and right.
  • the tenth configuration is a configuration in which, in any one of the sixth to ninth configurations, the inclination detection unit is an acceleration sensor. In such a configuration, the inclination detecting unit can be easily realized.
  • the eleventh configuration is a configuration in which, in any one of the first to fifth configurations, the tilt detection unit is a camera that photographs a face of an observer wearing the stereoscopic glasses. In such a configuration, it becomes easy to detect the left / right inclination of the face of the observer.
  • each figure referred below demonstrates the simplified main component required in order to demonstrate this invention among the structural members of embodiment of this invention for convenience of explanation. Therefore, the three-dimensional display system according to the present invention can include arbitrary constituent members that are not shown in the drawings referred to in this specification. Moreover, the dimension of the member in each figure does not represent the dimension of an actual structural member, the dimension ratio of each member, etc. faithfully.
  • FIG. 1 shows a block diagram of a stereoscopic display system 10 as a first embodiment of the present invention.
  • the stereoscopic display system 10 includes a liquid crystal panel 12 as a display panel, a backlight 14, a gate driver 16, a source driver 18, a control device 20, and a tilt detection sensor 21 as a tilt detection unit.
  • stereoscopic images are shown to an observer by using stereoscopic glasses 22 described later.
  • the liquid crystal panel 12 includes an active matrix substrate, a counter substrate, and a liquid crystal layer sealed between these substrates.
  • the active matrix substrate included in the liquid crystal panel 12 is provided with a plurality of rows of gate lines 24 and a plurality of columns of source lines 26 in a grid pattern.
  • the plurality of rows of gate lines 24 are connected to the gate driver 16 (see FIG. 1).
  • the gate driver 16 outputs a gate control signal sent from the display control unit 32 described later to the gate line 24 as a gate voltage.
  • the gate control signal is output by the gate driver 16 with reference to a vertical synchronization signal sent from a display control unit 32 described later.
  • the plurality of source lines 26 are connected to the source driver 18 (see FIG. 1).
  • the source driver 18 generates a gradation display signal based on the image data of the stereoscopic image (image data of the right eye image and image data of the left eye image) sent from the display control unit 32 described later. To do.
  • the gradation display signal is a signal necessary for gradation display.
  • the source driver 18 outputs a gradation display signal to the source line 26 as a drive voltage.
  • the source driver 18 outputs a driving voltage corresponding to the gate line 24 selected by the gate driver 16.
  • the output of the gradation display signal by the source driver 18 is performed with reference to a horizontal synchronization signal sent from the display control unit 32 described later.
  • a thin film transistor 28 as a switching element and a pixel electrode 30 are provided in a region surrounded by the gate line 24 and the source line 26. It has been.
  • the gate electrode of the thin film transistor 28 is connected to the gate line 24.
  • a source electrode of the thin film transistor 28 is connected to the source line 26.
  • the drain electrode of the thin film transistor 28 is connected to the pixel electrode 30.
  • the pixel electrode 30, a counter electrode (not shown), which will be described later, and a liquid crystal layer (not shown) form a charge storage capacitor for storing a given charge.
  • the counter substrate is arranged at a position facing the region where the plurality of pixels (pixel electrodes 30) are formed on the active matrix substrate.
  • a counter electrode (not shown) is provided on the counter substrate.
  • liquid crystal panel 12 for example, a transmissive liquid crystal panel or the like can be employed.
  • liquid crystal panel 12 for example, a vertical alignment type liquid crystal panel or the like can be employed.
  • a backlight 14 (see FIG. 1) is disposed on one side in the thickness direction of the liquid crystal panel 12 (the rear side of the liquid crystal panel 12).
  • the backlight 14 for example, a direct type, an edge light type, a planar light source type, or the like can be adopted.
  • a light source of the backlight 14 a cold cathode tube, a light emitting diode (LED), etc. are employable, for example.
  • the control device 20 includes a display control unit 32, a tilt determination unit 34, an image change unit 36, and a glasses control unit 38.
  • the control device 20 can be provided on the display device side including the liquid crystal panel 12.
  • the display control unit 32, the inclination determination unit 34, the image change unit 36, and the glasses control unit 38 can be realized by, for example, an integrated circuit designed exclusively.
  • the control device 20 includes a central processing unit and a storage device
  • the display control unit 32, the inclination determination unit 34, the image change unit 36, and the glasses control unit 38 store the central processing unit in the storage device. This can be realized by reading out and executing the program.
  • the display control unit 32 outputs a vertical synchronization signal to the source driver 18.
  • the vertical synchronization signal is a signal used when driving the source driver 18.
  • the vertical synchronization signal is a pulse signal having a high level (H) and a low level (L).
  • the display control unit 32 outputs the image data of the stereoscopic image sent from the image changing unit 36 to the source driver 18.
  • the image data of the stereoscopic image includes image data of the right eye image and image data of the left eye image.
  • the right-eye image is a stereoscopic image for viewing with the observer's right eye.
  • the left-eye image is a stereoscopic image for viewing with the left eye of the observer.
  • the display control unit 32 outputs a horizontal synchronization signal to the gate driver 16.
  • the horizontal synchronization signal is a signal used when driving the gate driver 16.
  • the horizontal synchronization signal is a pulse signal having a high level (H) and a low level (L).
  • the display control unit 32 outputs a gate control signal to the gate driver 16.
  • the gate control signal is a signal for turning on the gate of the thin film transistor 28.
  • the gate control signal is a pulse signal having a high level (H) and a low level (L).
  • the display control unit 32 outputs a left / right identification signal to the glasses control unit 38.
  • the left / right identification signal is a signal indicating which of the right-eye image and the left-eye image is displayed on the liquid crystal panel 12.
  • the left / right identification signal is a pulse signal having a high level (H) and a low level (L).
  • the tilt determination unit 34 determines whether the left / right tilt of the face of the observer wearing the stereoscopic glasses 22 satisfies a predetermined condition based on a detection signal from the tilt detection sensor 21 described later.
  • Predetermined conditions include that the face of the observer is straight toward the liquid crystal panel 12 (the face of the observer is not tilted left and right), and that the face of the observer is left and right with respect to a reference line extending in the vertical direction. Either one may be inclined at a predetermined angle.
  • the predetermined angle includes, for example, 45 degrees and 90 degrees, but is not limited to these angles. Incidentally, in this embodiment, 90 degrees is adopted as the predetermined angle.
  • the case where the predetermined angle is 90 degrees is, for example, a state where an observer is lying on a sofa or the like.
  • the determination that the predetermined condition is satisfied is not limited to a case where the observer's face is inclined at a predetermined angle with respect to a reference line extending in the vertical direction.
  • the observer's face may be slightly deviated from a position inclined at a predetermined angle with respect to a reference line extending in the vertical direction.
  • a position within a range of ⁇ 10 degrees around the predetermined angle can be adopted.
  • the tilt determination unit 34 generates a tilt identification signal based on the detection signal from the tilt detection sensor 21 when the left / right tilt of the observer's face satisfies a predetermined condition, and the tilt determination signal is converted into an image change unit.
  • the tilt identification signal is a signal indicating the left / right tilt of the observer's face. Specifically, the face of the observer is straight toward the liquid crystal panel 12, is inclined to the left by a predetermined angle (90 degrees in the present embodiment) with respect to a reference line extending in the vertical direction, or extends in the vertical direction. It is a signal indicating whether or not a predetermined angle (90 degrees in the present embodiment) is inclined to the right with respect to the reference line.
  • the image changing unit 36 selects a stereoscopic image to be output to the display control unit 32 from among a plurality of types of stereoscopic images based on the tilt identification signal sent from the tilt determining unit 34, and selects the selected stereoscopic image.
  • the visual image is output to the display control unit 32.
  • a stereoscopic image to be displayed when the observer's face is directly facing the liquid crystal panel 12 and a predetermined leftward line with respect to a reference line in which the observer's face extends in the vertical direction are predetermined.
  • the right-eye liquid crystal shutter 22R and the left-eye glasses included in the stereoscopic glasses 22 when the face of the observer wearing the stereoscopic glasses 22 faces straight to the liquid crystal panel 12 (the right-eye liquid crystal shutter 22R and the left-eye glasses included in the stereoscopic glasses 22).
  • the liquid crystal shutters 22L are arranged in the horizontal direction
  • the right-eye image seen by the observer's right eye is an image (Right image) seen from the right side of the observation target from the front, and is observed by the observer's left eye
  • the image for the left eye to be viewed is an image (Left image) in which the observation target is viewed from the left slightly from the front.
  • an image for the left eye viewed in a state where the face of the observer wearing the stereoscopic glasses 22 is tilted to the left by a predetermined angle (90 degrees in the present embodiment) with respect to a reference line extending in the vertical direction The image of the right eye viewed in a state where the face of the observer wearing the viewing glasses 22 is tilted to the right by a predetermined angle (90 degrees in the present embodiment) with respect to a reference line extending in the vertical direction is the same. Therefore, it is possible to reduce the types of right-eye images and left-eye images necessary for showing a stereoscopic image to the observer.
  • the image changing unit 36 (see FIG. 1) generates stereoscopic image data (image data for the right eye and image data for the left eye) based on the input image data of the two-dimensional image. To do.
  • a method for generating a stereoscopic image (right eye image and left eye image) from a two-dimensional image for example, the following method can be employed. First, position information in the depth direction when performing three-dimensional display is set for each pixel position in the two-dimensional image. Based on the set position information in the depth direction, pixel movement amounts of the right-eye image and the left-eye image are determined. Based on the determined pixel movement amount, an image for the right eye and an image for the left eye are generated. The image changing unit 36 outputs the generated image data to the display control unit 32.
  • the image data itself input to the image changing unit 36 may be image data for the right eye image and image data for the left eye image.
  • the image changing unit 36 does not need to generate image data for the right eye image and image data for the left eye image from the input image data.
  • the image changing unit 36 can output the input image data of the right eye image and the image data of the left eye image itself to the display control unit 32.
  • the glasses controller 38 controls the light transmission state of the stereoscopic glasses 22.
  • the stereoscopic glasses 22 have a right-eye liquid crystal shutter 22 ⁇ / b> R positioned in front of the right eye of the observer in a state worn by the observer, and a state worn by the observer.
  • a left-eye liquid crystal shutter 22L positioned in front of the left eye of the observer.
  • the liquid crystal shutters 22R and 22L for example, a liquid crystal panel or the like can be employed.
  • the glasses control unit 38 controls the opening and closing of the right-eye liquid crystal shutter 22R and the left-eye liquid crystal shutter 22L based on the left / right identification signal sent from the display control unit 32.
  • a right / left identification signal indicating that a right-eye image is displayed on the liquid crystal panel 12 is sent, the right-eye liquid crystal shutter 22R included in the stereoscopic glasses 22 is opened (light transmission state), and The left-eye liquid crystal shutter 22L included in the stereoscopic glasses 22 is set in a closed state (light non-transmissive state).
  • the left-eye liquid crystal shutter 22L included in the stereoscopic glasses 22 is opened (light transmission state), and The right-eye liquid crystal shutter 22R included in the stereoscopic glasses 22 is set in a closed state (light non-transmissive state).
  • the stereoscopic glasses 22 are provided with an inclination detection sensor 21 (see FIG. 1).
  • the tilt detection sensor 21 can be provided, for example, on a frame or a vine of the stereoscopic glasses 22.
  • the tilt detection sensor 21 may be provided integrally with the stereoscopic glasses 22 or may be retrofitted to the stereoscopic glasses 22. When the tilt detection sensor 21 is retrofitted to the stereoscopic glasses 22, the existing stereoscopic glasses 22 can be used.
  • the tilt detection sensor 21 detects the tilt of the face of the viewer wearing the stereoscopic glasses 22 to the left and right.
  • a uniaxial acceleration sensor, a biaxial acceleration sensor, a triaxial acceleration sensor, a gyro sensor, or the like can be employed.
  • a triaxial acceleration sensor is employed in the present embodiment.
  • the triaxial acceleration sensor for example, a capacitance type, a piezoresistive type, a gas temperature distribution type, or the like can be adopted.
  • the detection signal from the tilt detection sensor 21 is sent to the tilt determination unit 34.
  • a detection signal transmission method for example, a wireless method using infrared rays or a wired method using cables or the like can be employed.
  • a signal output unit for transmitting the detection signal to the inclination determination unit 34 can be provided, for example, in the frame of the stereoscopic glasses 22 or the like.
  • the glasses control unit 38 synchronizes with the cycle in which the right-eye image and the left-eye image are alternately displayed on the liquid crystal panel 12, and the right-eye liquid crystal shutter 22 ⁇ / b> R and the left-eye liquid crystal shutter. 22L is opened alternately. Thereby, the image for right eyes and the image for left eyes can be shown to an observer alternately. As a result, it is possible to show a stereoscopic image to the observer.
  • the image changing unit 36 changes the type of the right-eye image and the left-eye image based on the tilt identification signal from the tilt determination unit 34.
  • the tilt identification signal from the tilt determination unit 34 is a predetermined angle on the left side with respect to a reference line in which the viewer's face extends in the vertical direction from a signal indicating a state in which the viewer's face is straight toward the liquid crystal panel 12. It changes to a signal indicating a tilted state (in this embodiment, 90 degrees).
  • the image changing unit 36 changes the image for the right eye from the right image to the upper image, and changes the image for the left eye from the left image to the lower image.
  • the stereoscopic display system 10 even when the observer's posture changes, the stereoscopic image can be shown to the observer.
  • an image switching unit is realized by the display control unit 32, the image change unit 36, and the glasses control unit 38.
  • a stereoscopic display system 42 as a second embodiment of the present invention will be described based on FIG.
  • members and parts having the same structure as in the first embodiment are the same as those in the first embodiment. A detailed description thereof will be omitted by attaching reference numerals.
  • the stereoscopic display system 42 of the present embodiment is not provided with the inclination detection sensor 21, and instead is provided with a camera 44 as an inclination detection unit. ing.
  • the camera 44 is provided for photographing the face of the observer wearing the stereoscopic glasses 22.
  • the camera 44 for example, a video camera using a CCD (Charge Coupled Device) image sensor as a solid-state imaging device can be employed.
  • the camera 44 can be provided so as to be embedded in a portion located above the display area of the liquid crystal panel 12 in the housing in which the liquid crystal panel 12 is assembled.
  • the camera 44 may be attached to the outside of the housing in which the liquid crystal panel 12 is assembled.
  • the camera 44 is connected to the tilt determination unit 34. As a result, image data about the face of the observer photographed by the camera 44 can be sent to the inclination determination unit 34.
  • the inclination determination unit 34 recognizes the face of the observer photographed by the camera 44 and detects the right / left inclination of the face.
  • the inclination of the observer's face to the left and right can be realized by using pattern recognition, for example.
  • the positions of the right-eye liquid crystal shutter 22R and the left-eye liquid crystal shutter 22L of the stereoscopic glasses 22 worn by the observer are recognized, and the center points of the respective liquid crystal shutters 22R and 22L are determined.
  • the tilt of the observer's face to the left and right is detected.
  • the stereoscopic glasses 22 are not provided with the tilt detection sensor 21, so that the stereoscopic glasses 22 can be reduced in weight.
  • an image switching unit is realized by the display control unit 32, the image change unit 36, and the glasses control unit 38.
  • a stereoscopic display system 46 as a third embodiment of the present invention will be described with reference to FIG.
  • the stereoscopic display system 46 of the present embodiment is provided with a switching operation unit 48 as compared to the stereoscopic display system 10 of the first embodiment.
  • the switching operation unit 48 is operated when the observer changes the type of the stereoscopic image.
  • an operation panel or a remote control provided in the stereoscopic display system 46 can be employed.
  • the switching operation unit 48 includes, for example, an operation button indicating that the observer's face is tilted to the right or left by a predetermined angle, a numeric button operated when the observer inputs an appropriate angle, and fine adjustment of the angle.
  • An operation button or the like is provided.
  • a method of pressing an operation button indicating that the observer's face is tilted to the left or right is a predetermined angle, or the observer's face is tilted to an appropriate number button It is possible to adopt a method of inputting by operating, a method of operating an operation button for finely adjusting the angle, or the like.
  • the switching operation unit 48 When the observer operates the switching operation unit 48, the switching operation unit 48 outputs a switching operation signal to the inclination determination unit 34.
  • the inclination determination unit 34 generates an inclination identification signal based on the switching operation signal and outputs the inclination identification signal to the image change unit 36.
  • the type of stereoscopic image displayed on the liquid crystal panel 12 can be changed even when the observer operates the switching operation unit 48.
  • an image switching unit is realized by the display control unit 32, the image change unit 36, and the glasses control unit 38.
  • the control device 20 does not include the glasses control unit 38 as compared with the stereoscopic display system 10 according to the first embodiment. That is, in the present embodiment, the glasses control unit 38 is not provided on the display device side including the liquid crystal panel 12. Instead, in the present embodiment, a glasses control unit 38 is provided on the stereoscopic glasses 22 side. In the present embodiment, an inclination determination unit 52 is provided on the stereoscopic glasses 22 side.
  • the tilt determination unit 52 determines, based on a detection signal from the tilt detection sensor 21, whether the tilt of the face of the observer wearing the stereoscopic glasses 22 satisfies the predetermined condition.
  • Predetermined conditions include that the face of the observer is straight toward the liquid crystal panel 12 (the face of the observer is not tilted left and right), and that the face of the observer is left and right with respect to a reference line extending in the vertical direction. Either one may be inclined at a predetermined angle.
  • the predetermined angle includes, for example, 45 degrees and 90 degrees, but is not limited to these angles. Incidentally, in this embodiment, 90 degrees is adopted as the predetermined angle.
  • the case where the predetermined angle is 90 degrees is, for example, a state where an observer is lying on a sofa or the like.
  • the determination that the predetermined condition is satisfied is not limited to a case where the observer's face is inclined at a predetermined angle with respect to a reference line extending in the vertical direction.
  • the observer's face may be slightly deviated from a position inclined at a predetermined angle with respect to a reference line extending in the vertical direction.
  • a position within a range of ⁇ 10 degrees around the predetermined angle can be adopted.
  • the tilt determination unit 52 generates a tilt identification signal based on the detection signal from the tilt detection sensor 21 when the left / right tilt of the observer's face satisfies a predetermined condition, and the tilt identification signal is used as the glasses control unit. 38.
  • the tilt identification signal is a signal indicating the left / right tilt of the observer's face. Specifically, the face of the observer is straight toward the liquid crystal panel 12, is inclined to the left by a predetermined angle (90 degrees in the present embodiment) with respect to a reference line extending in the vertical direction, or extends in the vertical direction. It is a signal indicating whether or not a predetermined angle (90 degrees in the present embodiment) is inclined to the right with respect to the reference line.
  • the inclination determination unit 52 can be realized, for example, by reading out and executing a dedicated design integrated circuit or a program stored in the storage device by the central processing unit.
  • the display control unit 32 outputs an image identification signal to the glasses control unit 38 instead of the left / right identification signal.
  • the image identification signal is a signal indicating the type of stereoscopic image displayed on the liquid crystal panel 12.
  • the image identification signal for example, a signal indicating that a right image is displayed on the liquid crystal panel 12, a signal indicating that a left image is displayed on the liquid crystal panel 12, and an upper image is displayed on the liquid crystal panel 12.
  • a signal indicating that a lower image is displayed on the liquid crystal panel 12.
  • the glasses control unit 38 based on the image identification signal sent from the display control unit 32 and the tilt identification signal sent from the tilt determination unit 52, the right-eye liquid crystal shutter 22R and Controls the opening and closing of the left-eye liquid crystal shutter 22L.
  • the opening / closing control of the right-eye liquid crystal shutter 22R and the left-eye liquid crystal shutter 22L by the glasses control unit 38 the following modes and the like can be adopted.
  • An image identification signal indicating that a right image is displayed on the liquid crystal panel 12 is sent from the display control unit 32, and an inclination identification signal indicating that the face of the observer is directly facing the liquid crystal panel 12 is displayed.
  • An image identification signal indicating that the upper image is displayed on the liquid crystal panel 12 is sent from the display control unit 32 when the tilt judgment unit 52 sends the image, and the observer's face is vertically oriented.
  • an inclination identification signal indicating that the predetermined angle (90 degrees in this embodiment) is inclined to the left with respect to the extended reference line is sent, a lower image is further displayed on the liquid crystal panel 12.
  • the tilt identification signal indicating that the stereoscopic eyeglass 22 is sent the right eye liquid crystal shutter 22R included in the stereoscopic glasses 22 is opened (light transmission state), and the left eye liquid crystal shutter 22L included in the stereoscopic glasses 22 is provided. Is in a closed state (light non-transmission state).
  • An image identification signal indicating that the Left image is displayed on the liquid crystal panel 12 is sent from the display control unit 32, and an inclination identification signal indicating that the face of the observer is directly facing the liquid crystal panel 12.
  • An image identification signal indicating that a lower image is displayed on the liquid crystal panel 12 is sent from the display control unit 32 when it is sent from the tilt determination unit 52, and the observer's face is in the vertical direction.
  • an inclination identification signal indicating that the predetermined angle (90 degrees in this embodiment) is inclined to the left side with respect to the extended reference line is sent, an upper image is further displayed on the liquid crystal panel 12.
  • the inclination determination unit 34 outputs an observation state identification signal to the image change unit 36 instead of the inclination identification signal.
  • the observation state identification signal is generated in consideration of the number of observers, the right and left inclinations of all observer faces, and the like.
  • the observation state identification signal for example, a signal indicating that all observer faces are straight toward the liquid crystal panel 12, or one of the left and right sides with respect to a reference line extending in the vertical direction.
  • a signal indicating that the head is inclined by a predetermined angle (90 degrees in the present embodiment), and further, the face of a certain observer is directed straight toward the liquid crystal panel 12, and the face of another observer extends in the vertical direction.
  • a predetermined angle in this embodiment, 90 degrees
  • the image changing unit 36 is for stereoscopic viewing that is output to the display control unit 32 from among a plurality of types of stereoscopic viewing images based on the observation state identification signal sent from the tilt determining unit 34.
  • the image is selected, and the selected stereoscopic image is output to the display control unit 32.
  • Examples of the multiple types of stereoscopic images include a Right image, a Left image, an Upper image, and a Lower image.
  • the image changing unit 36 selects the right image and the left image. Are selected as stereoscopic images to be output to the display control unit 32. Then, the image changing unit 36 transmits the image data of the stereoscopic image (Right image, Left image) to the display control unit 32 so that the Right image and the Left image are alternately displayed on the liquid crystal panel 12. Output.
  • the observation state identification signal sent from the inclination determination unit 34 is inclined at a predetermined angle (90 degrees in the present embodiment) to either the left or right with respect to a reference line in which the faces of all observers extend in the vertical direction.
  • the image changing unit 36 selects the Upper image and the Lower image as stereoscopic images to be output to the display control unit 32. Then, the image changing unit 36 sends the image data of the stereoscopic image (Upper image, Lower image) to the display control unit 32 so that the upper image and the lower image are alternately displayed on the liquid crystal panel 12. Output.
  • the observation state identification signal sent from the inclination determination unit 34 is either left or right with respect to a reference line in which a certain observer's face is straight toward the liquid crystal panel 12 and another observer's face extends in the vertical direction.
  • the image changing unit 36 displays a right image, a left image, an upper image, and a lower image as a display control unit.
  • the image is selected as a stereoscopic image to be output to 32.
  • the image changing unit 36 displays the stereoscopic image (Right image, Upper image) so that the Right image, the Upper image, the Left image, and the Lower image are sequentially displayed in this order on the liquid crystal panel 12.
  • Left image, Lower image is output to the display control unit 32.
  • the image data of the right image is output after the image data of the lower image.
  • the stereoscopic image shown to the observer can be switched on the stereoscopic glasses 22 side.
  • the plurality of observers do not have to view the stereoscopic image displayed on the liquid crystal panel 12 with the same posture.
  • the degree of freedom of the posture of each observer can be ensured.
  • an image switching unit is realized by the display control unit 32, the image change unit 36, and the glasses control unit 38.
  • the control device 20 does not include the tilt determination unit 34 and the image change unit 36. Instead, the control device 20 includes an image generation unit 56.
  • the image generation unit 56 generates image data of a stereoscopic image (image data of a right eye image and image data of a left eye image) based on the input two-dimensional image image data.
  • a method for creating a stereoscopic image (right eye image and left eye image) from a two-dimensional image for example, the following method can be employed. First, position information in the depth direction when performing three-dimensional display is set for each pixel position in the two-dimensional image. Based on the set position information in the depth direction, pixel movement amounts of the right-eye image and the left-eye image are determined. Based on the determined pixel movement amount, an image for the right eye and an image for the left eye are generated. The image generation unit 56 outputs the generated image data to the display control unit 32.
  • the image generation unit 56 displays the stereoscopic image so that the right image, the upper image, the left image, and the lower image are sequentially displayed in this order on the liquid crystal panel 12.
  • the image data of (Right image, Upper image, Left image, Lower image) is output to the display control unit 32.
  • the image data of the right image is output after the image data of the lower image.
  • the image generation unit 56 may not be provided.
  • the image generation unit 56 can be realized, for example, by an integrated circuit designed exclusively or by the central processing unit reading and executing a program stored in the storage device.
  • an image switching unit is realized by the display control unit 32, the glasses control unit 38, and the image generation unit 56.
  • the display panel is a PDP (plasma display panel), an organic EL (electroluminescence) panel, an inorganic EL panel, or an FED (field emission display).
  • PDP plasma display panel
  • organic EL electroluminescence
  • FED field emission display

Abstract

L'invention concerne un système d'affichage stéréoscopique permettant d'afficher une image stéréoscopique pour un utilisateur, quelle que soit la position de ce dernier. Le système selon l'invention comprend : un panneau d'affichage (12) sur lequel est affichée une image stéréoscopique ; une unité de détection d'inclinaison (21) destinée à détecter une inclinaison gauche/droite du visage d'un utilisateur portant des lunettes (22) ; une unité de détermination d'inclinaison (34) destinée à déterminer si l'inclinaison gauche/droite du visage de l'utilisateur détectée par l'unité de détection d'inclinaison (21) satisfait aux conditions d'une pluralité prédéterminée de conditions ; et une unité de modification d'image (36) destinée à afficher pour l'utilisateur l'image stéréoscopique répondant aux conditions déterminées, lorsque l'inclinaison gauche/droite du visage de l'utilisateur détectée par l'unité de détection (21) satisfait aux conditions de la pluralité de conditions.
PCT/JP2011/075821 2010-11-16 2011-11-09 Système d'affichage stéréoscopique WO2012066997A1 (fr)

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JP2010256155 2010-11-16

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11341518A (ja) * 1998-05-26 1999-12-10 Nippon Telegr & Teleph Corp <Ntt> 多視点同時観察型水平配置立体画像表示システム
JP2010056712A (ja) * 2008-08-27 2010-03-11 Seiko Epson Corp 遠隔作業用画像表示システム
JP2010258583A (ja) * 2009-04-22 2010-11-11 Panasonic Corp 立体画像表示装置、立体画像再生装置および立体画像視認システム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11341518A (ja) * 1998-05-26 1999-12-10 Nippon Telegr & Teleph Corp <Ntt> 多視点同時観察型水平配置立体画像表示システム
JP2010056712A (ja) * 2008-08-27 2010-03-11 Seiko Epson Corp 遠隔作業用画像表示システム
JP2010258583A (ja) * 2009-04-22 2010-11-11 Panasonic Corp 立体画像表示装置、立体画像再生装置および立体画像視認システム

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