WO2013140697A1 - 表示装置、画像処理装置及び画像処理方法、並びにコンピューター・プログラム - Google Patents
表示装置、画像処理装置及び画像処理方法、並びにコンピューター・プログラム Download PDFInfo
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- WO2013140697A1 WO2013140697A1 PCT/JP2012/083736 JP2012083736W WO2013140697A1 WO 2013140697 A1 WO2013140697 A1 WO 2013140697A1 JP 2012083736 W JP2012083736 W JP 2012083736W WO 2013140697 A1 WO2013140697 A1 WO 2013140697A1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0093—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for monitoring data relating to the user, e.g. head-tracking, eye-tracking
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/12—Adjusting pupillary distance of binocular pairs
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
- G09G3/002—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to project the image of a two-dimensional display, such as an array of light emitting or modulating elements or a CRT
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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
- H04N13/327—Calibration 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]
- H04N13/344—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] with head-mounted left-right displays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/011—Head-up displays characterised by optical features comprising device for correcting geometrical aberrations, distortion
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0242—Compensation of deficiencies in the appearance of colours
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0464—Positioning
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2354/00—Aspects of interface with display user
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
Definitions
- the technology disclosed in the present specification relates to a display device that combines a display panel and a lens, such as a head-mounted display, an image processing device and an image processing method, and a computer program.
- the present invention relates to a display device, an image processing device, an image processing method, and a computer program that correct image distortion caused by individual differences among users.
- a display device that is worn on the head and views an image that is, a head-mounted display (HMD) is widely known.
- the head-mounted display has an optical unit for each of the left and right eyes, and is configured to be used in combination with headphones to control vision and hearing.
- the head-mounted display can also project different images to the left and right eyes, and can display a 3D image by displaying an image with parallax in the left and right eyes.
- a high-resolution display panel made of, for example, liquid crystal or an organic EL (Electro-Luminescence) element can be used for the left and right eye display units of the head mounted display. If the image display element is enlarged and projected by the eyepiece optical system to set a wide angle of view and multiple channels are reproduced with headphones, the realistic sensation as viewed in a movie theater can be reproduced.
- EL Electro-Luminescence
- the head-mounted display has eyepiece optical systems independently on the left and right, but the eye height and eyewidth vary from user to user, so the eyepiece optical system and the user's eye must be aligned. There is. Since a large screen is displayed in front of the eyes, when viewing a Blu-ray Disc playback image for a long time, the image displayed from the head-mounted display is accurately adjusted to the eye width for the health of the eyes. It is preferable.
- a head-mounted display that includes an eye width adjustment mechanism using a rack-and-pinion method and supports individual differences for each user has been proposed (for example, see Patent Document 1).
- a rotation member is provided between the display unit for the left eye and the display unit for the right eye, and a rotation member connected to each display unit via an arm is provided.
- a head mounted display provided with an eye width adjustment mechanism that adjusts the distance between the eye display unit and the right eye display unit symmetrically (for example, see Patent Document 2).
- Patent Document 3 Japanese Patent Application No. 2010-287835
- the wearing user can operate the eye width adjustment mechanism to adjust the eye width accurately.
- Proposals have been made for head-mounted displays. This head-mounted display displays a signal pattern for eye width adjustment when adjusting the eye width, so the user can operate the eye width adjustment mechanism while observing the signal pattern to adjust the eye width. It can be adjusted more accurately.
- the eye width adjustment mechanism can fix the position only in a stepwise manner and cannot adjust the position steplessly, the user may not be able to adjust the eye width strictly in the first place.
- An object of the technology disclosed in the present specification is to provide an excellent display device, an image processing device, an image processing method, and a computer that can suitably correct image distortion caused by a user's condition and individual differences for each user. ⁇ To provide a program.
- a further object of the technology disclosed in the present specification is due to a mismatch between the center of the lens that projects the display image and the center of the eye of the user who observes the projection image when displaying an image with a combination of the display panel and the lens.
- An object of the present invention is to provide an excellent display device, an image processing device and an image processing method, and a computer program capable of suitably correcting image distortion.
- a display for displaying an image An eyepiece optical unit that projects a display image of the display unit on a user's eye; A correction information holding unit that holds correction information created in advance according to the user's condition; A distortion correction unit that corrects distortion of the display image based on correction information according to a current user state; Is a display device.
- the correction information holding unit of the display device uses, as the correction information, a deviation amount between the lens center of the eyepiece optical unit and the center position of the user's eye.
- a correction vector for correcting distortion of the display image caused by the distortion, and the distortion correction unit, based on a correction vector according to the amount of deviation between the lens center of the eyepiece optical unit and the center position of the user's eye The display image is configured to be corrected.
- the display device further includes an eye width adjustment mechanism that adjusts the position of the display unit with respect to the user's eye width in a stepwise manner.
- the correction information holding unit as the correction information, corrects a correction vector for correcting distortion of the display image caused by a shift amount corresponding to an interpolation position for interpolating between the stepwise adjustment positions of the eye width adjustment mechanism.
- the distortion correction unit is configured to correct the display image based on a correction vector corresponding to a deviation amount corresponding to the interpolation position remaining after adjustment by the eye width adjustment mechanism.
- the correction information holding unit of the display device is configured to correct distortion of the display image caused by spectacle-specific aberrations as the correction information.
- the correction vector is held, and the distortion correction unit is configured to correct the display image based on the correction vector corresponding to the glasses worn by the user.
- the correction information holding unit of the display device uses, as the correction information, a lens design with respect to a distance direction between the lens of the eyepiece optical unit and the user's pupil.
- a correction vector for correcting distortion of the display image caused by a difference due to an individual difference from the appropriate distance is held.
- the distortion correction unit is configured to correct the display image based on the correction vector.
- the invention according to claim 6 of the present application is A correction information holding unit that holds correction information created in advance according to the user's condition; A distortion correction unit that corrects distortion of the display image based on correction information according to the current user state; Is an image processing apparatus.
- the invention according to claim 7 of the present application is A correction information holding step for holding correction information created in advance according to the user's condition; A distortion correction step for correcting distortion of the display image based on correction information according to the current user state; Is an image processing method.
- the invention according to claim 8 of the present application is A correction information holding unit that holds correction information created in advance according to the user's condition; A distortion correction unit that corrects distortion of the display image based on correction information according to the current user state; As a computer program written in a computer readable format to allow the computer to function.
- the computer program according to claim 8 of the present application defines a computer program described in a computer-readable format so as to realize predetermined processing on a computer.
- a cooperative operation is exhibited on the computer, and the same effect as the image processing apparatus according to claim 5 of the present application is obtained. be able to.
- Display apparatus when displaying an image with a combination of a display panel and a lens, it is possible to suitably correct image distortion caused by a user's condition and individual differences for each user.
- Display apparatus, image processing apparatus, image processing method, and computer program can be provided.
- the center of the lens that projects the display image and the center of the eye of the user who observes the projection image are caused to be inconsistent. It is possible to provide an excellent display device, image processing device, image processing method, and computer program that can suitably correct image distortion.
- a distortion correction vector corresponding to the amount of deviation between the lens center of the eyepiece optical system and the eye center position is created in advance, and the actual deviation when the user wears the display device is created.
- Image correction can be performed using a correction vector corresponding to the amount.
- the configuration of the eye width adjustment mechanism can be simplified and the cost can be reduced by supplementing fine adjustment of the eye width by image correction.
- FIG. 1 is a diagram schematically showing the configuration of an image display system including a head-mounted display.
- FIG. 2 is a view showing a state where the top surface of the main body of the head mount unit 10 equipped with the eye width adjustment mechanism is viewed from above.
- FIG. 3 is a diagram illustrating an observation image when the lens center of the eyepiece optical system is coincident with the center position of the eye.
- FIG. 4 is a diagram illustrating an observation image when the lens center of the eyepiece optical system does not coincide with the center position of the eye.
- FIG. 5A is a diagram illustrating a display image after the input image is corrected based on the correction vector when the lens center of the eyepiece optical system and the center position of the eye do not match.
- FIG. 1 is a diagram schematically showing the configuration of an image display system including a head-mounted display.
- FIG. 2 is a view showing a state where the top surface of the main body of the head mount unit 10 equipped with the eye width adjustment mechanism is viewed from above.
- FIG. 5B is a view showing an image observed through the lens after the corrected display image shown in FIG. 5A.
- FIG. 6 is a diagram schematically showing a configuration of a video signal processing system in the head-mounted display.
- FIG. 7 is a diagram for explaining a mechanism of eye width adjustment by the eye width adjustment mechanism.
- FIG. 8 is a diagram for explaining a mechanism for interpolating between the eye width adjustment positions by the eye width adjustment mechanism.
- FIG. 9 is a diagram illustrating a corrected image when the lens center of the eyepiece optical system 604 and the center position of the eye coincide with each other.
- FIG. 10 is a diagram showing a corrected image when the center position of the eye is shifted to the left by 4 mm with respect to the lens center of the eyepiece optical system 604.
- FIG. 11A is a diagram for explaining a procedure for performing interpolation of the eye width adjustment mechanism.
- FIG. 11B is a diagram for explaining a procedure for performing interpolation of the eye width adjustment mechanism.
- FIG. 11C is a diagram for explaining a procedure for performing interpolation of the eye width adjustment mechanism.
- FIG. 1 schematically shows the configuration of an image display system including a head-mounted display.
- the illustrated system includes a Blu-ray disc playback device 20 that is a source of viewing content, a front end box 40 that processes an AV signal output from the Blu-ray disc playback device 20, and a Blu-ray disc playback device 20.
- a head-mounted display device (head mounted unit) 10 that is the output destination of the playback content, and a high-definition display (for example, an HDMI-compatible TV) that is the other output destination of the playback content of the Blu-ray Disc playback device 20 30.
- the head mount unit 10 and the front end box 40 constitute one head mount display.
- the front end box 40 corresponds to an HDMI repeater that, for example, performs signal processing and outputs HDMI when the AV signal output from the Blu-ray disc playback apparatus 20 is HDMI input.
- the front end box 40 is also a two-output switcher that switches the output destination of the Blu-ray disc playback apparatus 20 to either the head mount unit 10 or the high-definition display 30.
- the front end box 40 has two outputs, but may have three or more outputs. However, the front end box 40 makes the output destination of the AV signal exclusive, and gives the highest priority to the output to the head mount unit 10.
- HDMI High-Definition Multimedia Interface
- DVI Digital Visual Interface
- TMDS Transition Minimized Differential Signaling
- the HDMI cable is connected between the Blu-ray Disc player 20 and the front end box 40, and between the front end box 40 and the high-definition display 30.
- the front end box 40 and the head mount unit 10 can also be configured to be connected by an HDMI cable, but the AV signal may be serially transferred using a cable of other specifications. Good. However, the AV signal and power are supplied by a single cable connecting the front end box 40 and the head mount unit 10, and the head mount unit 10 also obtains drive power via this cable. be able to.
- the head mount unit 10 includes independent display units for the left eye and the right eye. Each display unit uses a display panel made of, for example, an organic EL element. Each of the left and right display units is equipped with an eyepiece optical system with low distortion and high resolution and a wide viewing angle. When an image display device is enlarged and projected by an eyepiece optical system to set a wide angle of view and multiple channels are reproduced with headphones, it is possible to reproduce a sense of realism as viewed in a movie theater.
- the head mount unit 10 has an optical system independently on the left and right sides, the height and width of the eyes vary from user to user, so it is necessary to align the optical system with the user's eyes. is there.
- the main body of the head mount unit 10 is equipped with an eye width adjustment mechanism that adjusts the eye width between the display unit for the right eye and the display unit for the left eye. .
- the eye width adjustment mechanism adjusts the position of the display unit with respect to the user's eye width.
- FIG. 2 shows a state in which the top surface of the main body of the head mount unit 10 equipped with the eye width adjustment mechanism is viewed from above.
- ⁇ It is optional what kind of mechanism parts to mount the eye width adjustment mechanism.
- the mechanism used for binoculars, microscopes, etc. that adjusts the eye width with the uniaxial eye width adjustment axis of the left and right lens barrels is a nose pad portion (that is, the user's Since the height from the position of the nose) to the display unit varies, it is not preferable.
- the eye width adjustment mechanism is configured by the rack and pinion method, the height from the nose pad portion to the display portion can be kept constant during eye width adjustment.
- the gist of the technology disclosed in the present specification is not limited to the rack and pinion method, and if there is no problem such as the height of the display unit fluctuating during eye width adjustment work, It may be an eye width adjustment mechanism made of another method.
- a method for correcting distortion by signal processing is known in the art.
- the correction vector has a pixel position on the input image as a start point, and a pixel position on the display image corresponding to the start point as an end point.
- FIG. 3 illustrates an observation image in the case where the lens center of the eyepiece optical system is coincident with the center position of the eye.
- FIG. 4 illustrates an observation image when the lens center of the eyepiece optical system and the center position of the eye do not match.
- the lattice image of the white line displayed on the display panel is correctly observed through the lens.
- the center position of the eye is shifted to the left with respect to the center of the lens, a lateral chromatic aberration occurs at the right edge of the screen. There is a shift on the left side.
- the eye width adjustment mechanism capable of adjusting the position in a stepless manner has a complicated mechanism and causes an increase in apparatus cost.
- the center of the lens and the center of the eye do not have to coincide with each other, but the apparatus cost increases and the feeling of wearing decreases due to an increase in the lens weight.
- a distortion correction vector corresponding to the amount of deviation between the lens center of the eyepiece optical system and the eye center position is created in advance. Then, by correcting the input image using a correction vector corresponding to the shift amount between the lens center of the eyepiece optical system and the center position of the eye when the user mounts the head mount unit 10, distortion and color misregistration are performed. I try to present images without.
- FIG. 5A shows a display image after the input image is corrected based on the correction vector when the lens center of the eyepiece optical system and the center position of the eye do not match.
- FIG. 5B shows an image obtained by observing the display image through the lens.
- a chromatic aberration of magnification occurs such that red shifts to the right and blue shifts to the left with respect to the green signal.
- the correction vector for this is such that red is shifted to the left side and blue is shifted to the right side with respect to the green signal.
- a white line grid can be correctly seen as shown in FIG. 5B.
- FIG. 6 schematically shows the configuration of the video signal processing system in the head-mounted display. In the figure, only one of the left eye and the right eye is shown, but the configuration for each eye is the same.
- the display unit 603 includes a high-resolution display panel made of, for example, a liquid crystal or an organic EL (Electro-Luminescence) element.
- the eyepiece optical system 604 enlarges and projects the display image of the display unit 603.
- the lenses constituting the eyepiece optical system 604 are designed based on the result of optical simulation, for example.
- the video reduction unit 601 performs reduction processing so that the input video signal matches the size of the display panel.
- the distortion correction unit 602 performs image correction on the input image from the video reduction unit 601 based on a correction vector corresponding to a mismatch between the lens center of the eyepiece optical system 604 and the eye center position.
- the correction vector holding unit 605 stores correction vectors created in advance.
- the correction vector holding unit 605 corrects a correction vector for correcting lens distortion and lateral chromatic aberration of the eyepiece optical system 604, and lateral chromatic aberration based on a mismatch between the lens center of the eyepiece optical system 604 and the center position of the user's eye.
- One or more correction vectors created in advance such as a correction vector to be stored, are stored.
- the distortion correction unit 602 can also correct the input image by superimposing two or more correction vectors in the correction vector holding unit 605 as necessary.
- Fig. 7 illustrates the mechanism of eye width adjustment by the eye width adjustment mechanism.
- the eye width adjustment mechanism can adjust the position in a stepwise manner within a range of ⁇ 2 around the initial position 0 with the predetermined interval G1 as a unit of scale.
- the lens center and the eye center position coincide with each other at the position of scale + 1.
- the lens center does not always coincide with the eye center position at any scale position.
- the center of the lens is closest to the center position of the eye by adjusting the position to +1 on the scale G1, but it is not completely coincident. That is, even if the eye width is adjusted by the eye width adjusting mechanism, there is a possibility that a deviation less than the stepwise adjustment position interval remains. If such a discrepancy is left unattended, lateral chromatic aberration will occur in the observed image as shown in FIG.
- a correction vector for correcting the lateral chromatic aberration caused by the mismatch of the gap G2 (G2 ⁇ G1) smaller than the unit G1 of the position adjustment scale of the eye width adjustment mechanism is created in advance and stored in the correction vector holding unit 605. Keep it. After adjusting the eye width as much as possible with the eye width adjustment mechanism, the distortion correction unit 602 performs image correction according to the correction vector so that the interval between the minimum intervals G1 of position adjustment by the eye width adjustment mechanism is interpolated. Distortion can be corrected.
- correction vectors are prepared in advance at ⁇ 1 interpolation positions in units of the interval G2 at each position adjustment scale. Then, by adjusting the eye width adjustment mechanism to the position of the scale +1, the lens center is closest to the center position of the eye, but when the interpolation scale G2 is still shifted by ⁇ 1, “ ⁇ 1” By applying the correction vector for "", it is possible to make a fine adjustment at the interval G2 and suppress the lateral chromatic aberration.
- FIG. 9 shows a corrected image in the case where the lens center of the eyepiece optical system 604 is coincident with the center position of the eye (in the figure, the narrow dotted line is red, the wide dotted line is blue, one point)
- the chain line corresponds to green).
- the original image before correction is a white line grid image. Since distortion correction and lateral chromatic aberration correction are performed independently for each of RGB, a corrected image in which the RGB positions are slightly shifted is obtained. Further, since the amount of distortion increases toward the periphery of the image, the shift for each color component increases. By viewing this image through the eyepiece optical system 604, a correct white line grid image can be seen.
- FIG. 10 shows a corrected image when the center position of the eye is shifted to the left by 4 mm with respect to the lens center of the eyepiece optical system 604.
- the wide dotted line is blue, and the alternate long and short dash line is green).
- the original image before correction is a white line grid image.
- correction of the center position shift of the eye is performed.
- the corrected image is slightly shifted in RGB position, but the corrected image at the right end is different for each RGB and is different from the image before correction.
- the red and blue shifts with respect to the green so that the shift becomes easier. Therefore, the shift amount of RGB at the right end on the corrected image is smaller than the example shown in FIG.
- FIGS. 11A to 11C An example of the procedure for performing the eye width adjustment mechanism interpolation will be described with reference to FIGS. 11A to 11C.
- the user performs a mechanical eye width adjustment with a minimum gap G1 using the eye width adjustment mechanism, and the lens center is closest to the eye center. Select the position.
- FIG. 11C An example of the procedure for performing the eye width adjustment mechanism interpolation will be described with reference to FIGS. 11A to 11C.
- the information indicating the interpolation position is displayed in OSD together with the correction image based on the correction vector at each interpolation position, and the user selects which interpolation position correction vector should be corrected among those shown in FIGS. 11A to 11C. You may make it make it.
- the user's eye width and eye center position may be read using a camera or the like, and the adjustment may be automatically performed.
- interpolation of the eye width adjustment mechanism can be realized by changing only the correction vector to be applied to the input image and without making any other design change.
- by allowing a certain degree of distortion and lateral chromatic aberration generated in the observed image and compensating for it by image correction it is possible to reduce the manufacturing cost of the lens and reduce the weight of the lens.
- the distortion correction unit 202 can cope with various aberrations caused by individual differences for each user.
- the aberration inherent to the spectacles may be seen and a correct image may not be observed.
- the aberration of the glasses is measured in advance, and the correction vector for correcting the aberration of the glasses is stored in the correction vector holding unit 605.
- the distortion correction unit 602 superimposes the correction vector for spectacles on the correction vector for correcting lens distortion, lateral chromatic aberration, or correction vector for interpolating the eye width position. This makes it possible to present a correct image with corrected aberration even when wearing glasses.
- the distortion correction unit 602 adds the difference between the lens distortion, the correction vector for correcting the chromatic aberration of magnification, or the correction vector for interpolating the eye width position from the appropriate distance of the user. By superimposing a correction vector for use, it is possible to present a correct image with corrected aberration even when wearing glasses.
- a display unit that displays an image
- an eyepiece optical unit that projects a display image of the display unit on a user's eye
- a correction information holding unit that holds correction information created in advance according to the user's state
- a distortion correction unit configured to correct distortion of the display image based on correction information according to a current user state.
- the correction information holding unit holds, as the correction information, a correction vector for correcting distortion of the display image caused by a shift amount between the lens center of the eyepiece optical unit and the center position of the user's eye.
- the distortion correction unit corrects the display image based on a correction vector corresponding to a deviation amount between a lens center of the eyepiece optical unit and a center position of a user's eye.
- It further includes an eye width adjustment mechanism that adjusts the position of the display unit with respect to the user's eye width in a stepwise manner, and the correction information holding unit uses the stepwise adjustment position of the eye width adjustment mechanism as the correction information.
- the display device Holding a correction vector for correcting the distortion of the display image due to the amount of shift of the interpolation position for interpolating between, and the distortion correction unit is the amount of interpolation position remaining after adjustment by the eye width adjustment mechanism
- the display device wherein the display image is corrected based on a correction vector corresponding to an amount of deviation.
- the correction information holding unit holds, as the correction information, a correction vector for correcting distortion of the display image caused by spectacle-specific aberration, and the distortion correction unit is used for the glasses worn by the user.
- the display device wherein the display image is corrected based on a corresponding correction vector.
- the correction information holding unit includes, as the correction information, distortion of the display image caused by a difference due to an individual difference between a lens design appropriate distance with respect to a distance direction between the lens of the eyepiece optical unit and the user's pupil.
- the display device wherein a correction vector for correction is held, and the distortion correction unit corrects the display image based on the correction vector.
- a correction information holding unit that holds correction information created in advance according to the user's state, and a distortion correction unit that corrects distortion of the display image based on the correction information according to the current user state.
- the embodiment in which the technology disclosed in this specification is applied to a head-mounted display has been mainly described.
- the gist of the technology disclosed in this specification is the configuration of a specific head-mounted display. It is not limited to.
- the technology disclosed in this specification can be similarly applied to various types of display systems in which an image is presented to a user with a combination of a display panel and a lens.
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Abstract
Description
画像を表示する表示部と、
前記表示部の表示画像をユーザーの眼に投影する接眼光学部と、
ユーザーの状態に応じてあらかじめ作成された補正情報を保持する補正情報保持部と、
現在のユーザーの状態に応じた補正情報に基づいて前記表示画像の歪みを補正する歪み補正部と、
を具備する表示装置である。
ユーザーの状態に応じてあらかじめ作成された補正情報を保持する補正情報保持部と、
現在のユーザーの状態に応じた補正情報に基づいて表示画像の歪みを補正する歪み補正部と、
を具備する画像処理装置である。
ユーザーの状態に応じてあらかじめ作成された補正情報を保持する補正情報保持ステップと、
現在のユーザーの状態に応じた補正情報に基づいて表示画像の歪みを補正する歪み補正ステップと、
を有する画像処理方法である。
ユーザーの状態に応じてあらかじめ作成された補正情報を保持する補正情報保持部、
現在のユーザーの状態に応じた補正情報に基づいて表示画像の歪みを補正する歪み補正部、
としてコンピューターを機能させるようコンピューター可読形式で記述されたコンピューター・プログラムである。
(1)画像を表示する表示部と、前記表示部の表示画像をユーザーの眼に投影する接眼光学部と、ユーザーの状態に応じてあらかじめ作成された補正情報を保持する補正情報保持部と、現在のユーザーの状態に応じた補正情報に基づいて前記表示画像の歪みを補正する歪み補正部と、を具備する表示装置。
(2)前記補正情報保持部は、前記補正情報として、前記接眼光学部のレンズ中心とユーザーの眼の中心位置のずれ量に起因する前記表示画像の歪みを補正するための補正ベクトルを保持し、前記歪み補正部は、前記接眼光学部のレンズ中心とユーザーの眼の中心位置のずれ量に応じた補正ベクトルに基づいて前記表示画像を補正する、上記(1)に記載の表示装置。
(3)ユーザーの眼幅に対する前記表示部の位置を段階的に調整する眼幅調整機構をさらに備え、前記補正情報保持部は、前記補正情報として、前記眼幅調整機構の段階的な調整位置の間を補間する補間位置分のずれ量に起因する前記表示画像の歪みを補正するための補正ベクトルを保持し、前記歪み補正部は、前記眼幅調整機構で調整した後に残存する補間位置分のずれ量に応じた補正ベクトルに基づいて前記表示画像を補正する、上記(1)に記載の表示装置。
(4)前記補正情報保持部は、前記補正情報として、眼鏡固有の収差に起因する前記表示画像の歪みを補正するための補正ベクトルを保持し、前記歪み補正部は、ユーザーが着用する眼鏡に対応する補正ベクトルに基づいて前記表示画像を補正する、上記(1)に記載の表示装置。
(5)前記補正情報保持部は、前記補正情報として、前記接眼光学部のレンズとユーザーの瞳との距離方向に対するレンズ設計の適正距離との個人差による差分に起因する前記表示画像の歪みを補正するための補正ベクトルを保持し、前記歪み補正部は、前記補正ベクトルに基づいて前記表示画像を補正する、上記(1)に記載の表示装置。
(6)ユーザーの状態に応じてあらかじめ作成された補正情報を保持する補正情報保持部と、現在のユーザーの状態に応じた補正情報に基づいて表示画像の歪みを補正する歪み補正部と、を具備する画像処理装置。
(7)ユーザーの状態に応じてあらかじめ作成された補正情報を保持する補正情報保持ステップと、現在のユーザーの状態に応じた補正情報に基づいて表示画像の歪みを補正する歪み補正ステップと、を有する画像処理方法。
(8)ユーザーの状態に応じてあらかじめ作成された補正情報を保持する補正情報保持部、現在のユーザーの状態に応じた補正情報に基づいて表示画像の歪みを補正する歪み補正部、としてコンピューターを機能させるようコンピューター可読形式で記述されたコンピューター・プログラム。
20…ブルーレイ・ディスク再生装置
30…ハイビジョン・ディスプレイ
40…フロント・エンド・ボックス
601…映像縮小部
602…歪み補正部
603…表示部
604…接眼光学系
605…補正ベクトル保持部
Claims (8)
- 画像を表示する表示部と、
前記表示部の表示画像をユーザーの眼に投影する接眼光学部と、
ユーザーの状態に応じてあらかじめ作成された補正情報を保持する補正情報保持部と、
現在のユーザーの状態に応じた補正情報に基づいて前記表示画像の歪みを補正する歪み補正部と、
を具備する表示装置。 - 前記補正情報保持部は、前記補正情報として、前記接眼光学部のレンズ中心とユーザーの眼の中心位置のずれ量に起因する前記表示画像の歪みを補正するための補正ベクトルを保持し、
前記歪み補正部は、前記接眼光学部のレンズ中心とユーザーの眼の中心位置のずれ量に応じた補正ベクトルに基づいて前記表示画像を補正する、
請求項1に記載の表示装置。 - ユーザーの眼幅に対する前記表示部の位置を段階的に調整する眼幅調整機構をさらに備え、
前記補正情報保持部は、前記補正情報として、前記眼幅調整機構の段階的な調整位置の間を補間する補間位置分のずれ量に起因する前記表示画像の歪みを補正するための補正ベクトルを保持し、
前記歪み補正部は、前記眼幅調整機構で調整した後に残存する補間位置分のずれ量に応じた補正ベクトルに基づいて前記表示画像を補正する、
請求項1に記載の表示装置。 - 前記補正情報保持部は、前記補正情報として、眼鏡固有の収差に起因する前記表示画像の歪みを補正するための補正ベクトルを保持し、
前記歪み補正部は、ユーザーが着用する眼鏡に対応する補正ベクトルに基づいて前記表示画像を補正する、
請求項1に記載の表示装置。 - 前記補正情報保持部は、前記補正情報として、前記接眼光学部のレンズとユーザーの瞳との距離方向に対するレンズ設計の適正距離との個人差による差分に起因する前記表示画像の歪みを補正するための補正ベクトルを保持し、
前記歪み補正部は、前記補正ベクトルに基づいて前記表示画像を補正する、
請求項1に記載の表示装置。 - ユーザーの状態に応じてあらかじめ作成された補正情報を保持する補正情報保持部と、
現在のユーザーの状態に応じた補正情報に基づいて表示画像の歪みを補正する歪み補正部と、
を具備する画像処理装置。 - ユーザーの状態に応じてあらかじめ作成された補正情報を保持する補正情報保持ステップと、
現在のユーザーの状態に応じた補正情報に基づいて表示画像の歪みを補正する歪み補正ステップと、
を有する画像処理方法。 - ユーザーの状態に応じてあらかじめ作成された補正情報を保持する補正情報保持部、
現在のユーザーの状態に応じた補正情報に基づいて表示画像の歪みを補正する歪み補正部、
としてコンピューターを機能させるようコンピューター可読形式で記述されたコンピューター・プログラム。
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JP2016161767A (ja) * | 2015-03-02 | 2016-09-05 | アルプス電気株式会社 | 画像表示装置 |
JP2016200753A (ja) * | 2015-04-13 | 2016-12-01 | 株式会社ニコン | 画像表示装置 |
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JP2018049039A (ja) * | 2016-09-20 | 2018-03-29 | キヤノン株式会社 | 画像表示装置 |
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JPWO2020170455A1 (ja) * | 2019-02-22 | 2021-12-16 | 株式会社ソニー・インタラクティブエンタテインメント | ヘッドマウントディスプレイおよび画像表示方法 |
US11960086B2 (en) | 2019-02-22 | 2024-04-16 | Sony Interactive Entertainment Inc. | Image generation device, head-mounted display, and image generation method |
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US11640058B2 (en) | 2019-03-29 | 2023-05-02 | Sony Interactive Entertainment Inc. | Image processing method, image processing apparatus, and head-mounted display |
JP7429515B2 (ja) | 2019-03-29 | 2024-02-08 | 株式会社ソニー・インタラクティブエンタテインメント | 画像処理装置、ヘッドマウントディスプレイ、および画像表示方法 |
JP7358258B2 (ja) | 2020-01-28 | 2023-10-10 | キヤノン株式会社 | 画像観察装置 |
Also Published As
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JPWO2013140697A1 (ja) | 2015-08-03 |
US9740007B2 (en) | 2017-08-22 |
US10831027B2 (en) | 2020-11-10 |
US20170315363A1 (en) | 2017-11-02 |
EP2688060A1 (en) | 2014-01-22 |
CN103534748A (zh) | 2014-01-22 |
EP2688060A4 (en) | 2015-08-05 |
US20140078023A1 (en) | 2014-03-20 |
CN103534748B (zh) | 2017-05-17 |
JP5907250B2 (ja) | 2016-04-26 |
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