WO1999009750A1 - Stereoscopic viewing system - Google Patents
Stereoscopic viewing system Download PDFInfo
- Publication number
- WO1999009750A1 WO1999009750A1 PCT/AU1998/000635 AU9800635W WO9909750A1 WO 1999009750 A1 WO1999009750 A1 WO 1999009750A1 AU 9800635 W AU9800635 W AU 9800635W WO 9909750 A1 WO9909750 A1 WO 9909750A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- strips
- image
- mask
- lens
- opaque
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/239—Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance
-
- 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
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/305—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using lenticular lenses, e.g. arrangements of cylindrical lenses
-
- 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
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
-
- 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
- H04N13/324—Colour aspects
Definitions
- the present invention relates to a stereoscopic viewing system and, more particularly, to such a system adapted for viewing a stereoscopic image without the aid of spectacles or similar image separating device located close to the eyes of a viewer.
- a stereoscopic viewing system comprising a raw image overlaid by a mask arranged so that a viewer can resolve a stereoscopic image derived from said raw image in a focal plane of predetermined width located a predetermined distance from said mask.
- said raw image is comprised of alternating left image strips and right image strips on both of pitch P.
- said mask includes vertical lenticular lens strips corresponding to said left and right image strips and arranged to refract light received therefrom so as to cause a stereoscopic image to be resolved by said viewer in said focal plane.
- said mask further includes opaque vertical strips interposed in between said lenticular lens strips.
- said opaque strips are of pitch P and overlay half the width of adjacent left and right image strips.
- said raw image includes raw image opaque strips interposed between said alternating left image strips and right image strips.
- said lenticular lens strips are in the form of tri-elliptical lenses.
- said lenticular lens strips are in the form of a circular cross-section lens.
- said circular cross-section lens is formed as a series of adjacent, planar approximations.
- said mask is formed as a base elongate portion of optical material into a first surface of which are formed lens elements.
- said base elongate portion includes opaque strips placed on said first surface between said lens elements.
- Figure 1 illustrates the general layout of a stereoscopic viewing system to which embodiments of the present invention can be applied;
- Figure 2 illustrates steps in the formation of a raw stereoscopic image to which a first embodiment of the invention can be applied;
- Figure 3 illustrates a mask applicable to the raw image of Figure 2 according to a first embodiment of the invention;
- Figure 4 illustrates a mask applicable to a flat panel or plasma display
- Figure 5 illustrates a specific driver circuit for the production of an active raw image
- Figure 6 illustrates an arrangement of raw image and mask according to a further embodiment of the invention
- Figure 7 illustrates a raw image and mask layout according to a further embodiment of the invention
- Figure 8 is a detailed view in cross section of the mask of Figure 7;
- Figure 9 is a detailed view in side section of a mask according to a further embodiment of the invention.
- a stereoscopic viewing system 10 comprising a raw image 11 and a mask 12.
- the mask 12 includes an optical arrangement whereby light rays from the raw image 11 are directed to either the left eye 13 or right eye 14 of a viewer 15 so as to form a three-dimensional image to the viewer.
- the raw image 11 is formed as follows:-
- a stereoscopic image is generated initially as two separate images comprising a left eye view and a right eye view.
- the left eye view is labelled image A whilst the right eye view is labelled image B.
- Each image is then divided up into vertical strips of pitch P.
- Figure 2 A represents the left image thus partitioned.
- Figure 2B represents the right eye image thus partitioned.
- Consecutive strips are then interchanged between the two images as indicated by the arrows thereby to produce a raw image 11 which combines both the left and right images in it in alternating strips as shown.
- the raw image may be in the form of a photograph or like 'passive'/reflective image source or it may be in the form of a video display or like 'active'/light emitting image source. In either case, light reflected from or light emanating from the raw image needs to be optically processed through a mask 12 so as to redirect the light rays for reconstruction by eyes 13, 14.
- EP744872 discloses a particular implementation of this kind of stereoscopic image system wherein the mask 12 (termed barrier 2 in EP744872) is an electronically controlled shutter mechanism which can dynamically switch and direct the respective right and left images to the respective right and left observer eyes.
- the light refracting element of a "lenticular" system more often includes a lens such as lens element 48 shown, for example, in Figure 31A of EP744872.
- FIGs. 2 A and 2B shows strip widths for the alternating left eye images A and right eye images B of width or pitch P.
- a good summary of the history and implementation of this kind of system is to be found in IEEE publication "Present Status of Three-Dimensional Television Research" in Proceedings of IEEE volume 83, No 7 July 1995.
- Figure 3 A shows the raw image 11 to which the mask 12 of Figure 3B is applied or overlaid, and including opaque strips 17 as illustrated.
- the displacement or distance D between the raw image 11 and the mask 12 can, according to the implementation, vary between 0 and typically around 2- 13 cms depending on the nature of the light refracting element used to form the lens strips 16.
- the raw image 11 of Figure 3 A comprising alternating vertical strips of left image A and right image B is overlaid by the mask generally illustrated in Figure 3B.
- the mask comprises vertical lens strips 16 of pitch P arranged to overlay a half- width of a left image strip and a half- width of a right image strip.
- the lens strips 16 are of the lenticular type and can be constructed in the manner described in U.S. Patent No. 5,258,833. Interposed between the lens strips 16 are opaque strips 17, also of pitch P and also arranged so as to overlay a half- width of adjacent left image strips and right image strips A, B as generally illustrated in Figure 3B.
- FIG 4A the manner of construction of a colour raw image 18 is illustrated in Figure 4A and comprises alternating left image colour strips 19 and right image colour strips 20.
- Each image strip is, itself, comprised of three primary colour strips labelled R (red) G (green) and B (blue).
- the corresponding colour mask 21 is illustrated in Figure 4B and comprises left vertical lens strips 22 and alternating right vertical lens strips 23, each constructed according to the lenticular methods previously known.
- an opaque strip 24 is placed, as illustrated in Figure 4B immediately between adjacent vertical lens strips 22, 23 and, correspondingly, 23, 22.
- the pitch of the opaque strip 24 is such as to cover a primary colour strip, a different colour strip in each consecutive occurrence.
- the opaque strips remove some redundant image information according to a predetermined algorithm.
- the effect, it is postulated, is to widen the width W of the focal plane 25 of viewer 15 in which a stereoscopic image can be resolved.
- Figure 5 illustrates a driver arrangement suitable for use with the embodiments of the invention where an active display (such as a CRT, LEDs or back lit matrix) wherein a parallax image source 26 resolves a stereoscopic image comprising a left eye image A and a right eye image B into an A data stream 27 and a B data stream 28 which are fed to screen driver 29 which resolves the data streams 27, 28 into respective vertical strip data streams 30, 31 which are directed to the respective vertical strips comprising raw image 11.
- Figure 6 illustrates in plan view a further embodiment of the invention comprising raw image 111 made up of respective left image strips 113 and right image strips 114, all of equal width or pitch P and having opaque strips 117 or width or pitch P laid thereover on the viewing side as illustrated in Figure 6.
- the opaque strips 117 are of width or pitch P and are arranged so that each overlies half of the area of adjoining left and right image strips 113, 114.
- the stereoscopic viewing system 110 includes mask 112 comprised of a linear array of tri-elliptical lenses 118. Each tri-elliptical 118 is itself formed from three intersecting strip lenses of ellipsoid cross-section as perhaps best seen in detail in Figure 8.
- each of these lenses 118 is as typically found in "lenticular" stereoscopic systems, being to refract the light received from collective left image strips 113 to a left eye 115 of a viewer and to also refract (bend) the light received from collective right image strips 114 to the right eye 116 of a viewer when located in a specified focal plane 119.
- the lenses 118 are contiguously connected in a linear array as illustrated in Figure 6.
- the only masking of light information is performed by opaque strips 117 located, in this instance, directly on the raw image 111 as illustrated.
- Figure 7 illustrates a further embodiment of the invention comprising a stereoscopic viewing system 210 having a raw image 211 and a mask 212 but wherein all other components are numbered as for the embodiment of Figure 6 where like components are utilised.
- opaque mask elements are placed between each tri- elliptical lens 118 in the manner illustrated in Figure 7.
- the opaque strips 117 are also utilised applied directly to the raw image 211.
- the width of the opaque mask elements 213 interconnecting the tri-elliptical lenses 118 is the dimension P.
- FIG. 8 a detailed cross section of the mask 212 of Figure 7 is illustrated showing the tri-elliptical 118 to be formed as part of an elongate strip of optical material 214 made from optical material having a refractive index between 1 and 2.
- the strip 214 comprises a base elongate portion 215 into which one face has formed the tri-elliptical lens structure 118 and between which planar portions 216 having an opaque strip 217 applied thereover as illustrated in Figure 8.
- Figure 9 illustrates an alternative mask 312 suitable for use with any of the previously mentioned embodiments of stereoscopic viewing system.
- the mask 312 comprises a linear array of spherical cross-section lenses in between which are located opaque joining portions 314 formed as a square cross-section block having a triangular cross section opaque portion 315 located therein as generally illustrated in Figure 9.
- the surface of the circular cross-section lenses 313 can be profiled as a set of planar portions forming a segmented planar approximation 316 to a cylindrical or curved surface, also as illustrated in Figure 9.
- Embodiments of the invention are applicable to stereoscopic viewing systems of many kinds including stereoscopic television systems where it is desired to provide a stereoscopic image to a viewer without the viewer needing to use glasses or other equivalent encumbrances.
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000510281A JP2001516068A (en) | 1997-08-12 | 1998-08-12 | Stereoscopic system |
KR1020007001451A KR20010022849A (en) | 1997-08-12 | 1998-08-12 | Stereoscopic viewing system |
EP98938514A EP1004208A4 (en) | 1997-08-12 | 1998-08-12 | Stereoscopic viewing system |
CA002300871A CA2300871A1 (en) | 1997-08-12 | 1998-08-12 | Stereoscopic viewing system |
IL13448998A IL134489A0 (en) | 1997-08-12 | 1998-08-12 | Stereoscopic viewing system |
NZ503041A NZ503041A (en) | 1997-08-12 | 1998-08-12 | Stereoscopic viewing system by alternating vertical strips of left eye and right eye, and refraction of strips |
AU87196/98A AU763323B2 (en) | 1997-08-12 | 1998-08-12 | Stereoscopic viewing system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPO8523 | 1997-08-12 | ||
AUPO8523A AUPO852397A0 (en) | 1997-08-12 | 1997-08-12 | Stereoscopic viewing system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999009750A1 true WO1999009750A1 (en) | 1999-02-25 |
Family
ID=3802812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU1998/000635 WO1999009750A1 (en) | 1997-08-12 | 1998-08-12 | Stereoscopic viewing system |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP1004208A4 (en) |
JP (1) | JP2001516068A (en) |
KR (1) | KR20010022849A (en) |
CN (1) | CN1270738A (en) |
AU (1) | AUPO852397A0 (en) |
CA (1) | CA2300871A1 (en) |
ID (1) | ID24328A (en) |
IL (1) | IL134489A0 (en) |
NZ (1) | NZ503041A (en) |
WO (1) | WO1999009750A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2063308A1 (en) * | 2006-09-07 | 2009-05-27 | Sharp Kabushiki Kaisha | Image display device, electronic device, and parallax barrier element |
US7813042B2 (en) | 2005-09-12 | 2010-10-12 | Sharp Kabushiki Kaisha | Multiple-view directional display |
WO2011082992A3 (en) * | 2009-12-15 | 2011-09-15 | Secco Gmbh | Device for three-dimensional representation of multiple views and method for the production thereof |
WO2012164425A1 (en) * | 2011-05-30 | 2012-12-06 | Koninklijke Philips Electronics N.V. | Autostereoscopic display device |
WO2014065773A2 (en) | 2012-10-22 | 2014-05-01 | Odnorozhenko Vasiliy Borisovich | Autostereoscopic system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013037264A (en) * | 2011-08-10 | 2013-02-21 | Sharp Corp | Image display apparatus, image display terminal, and control method for controlling display of image |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0226155A2 (en) * | 1985-12-20 | 1987-06-24 | Bayer Ag | Process for dyeing and printing polyester fibrous materials |
US4737840A (en) * | 1983-07-31 | 1988-04-12 | Nec Home Electronics Ltd. | Color image projection apparatus with a screen including a shield plate, light-emitting layer and diffusion surface to expand viewing range of bright pictures |
EP0316465A1 (en) * | 1987-11-14 | 1989-05-24 | Dimension Technologies, Inc. | Autostereoscopic display with illuminating lines and light valve |
US5049987A (en) * | 1989-10-11 | 1991-09-17 | Reuben Hoppenstein | Method and apparatus for creating three-dimensional television or other multi-dimensional images |
AU1307692A (en) * | 1991-04-08 | 1992-10-15 | Stereoptics Limited | Stereoscopic television/video system |
EP0762177A2 (en) * | 1995-09-06 | 1997-03-12 | THOMSON multimedia | Stereoscopic display using a lenticular lens sheet |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3597042A (en) * | 1968-11-05 | 1971-08-03 | Csf | Apparatus for viewing pictures in apparent 3d effect |
JPS573487A (en) * | 1980-06-09 | 1982-01-08 | Sony Corp | Color three dimensional video display device |
JPS5711592A (en) * | 1980-06-24 | 1982-01-21 | Sony Corp | Color three dimensional video display device |
FR2488475A1 (en) * | 1980-08-11 | 1982-02-12 | Chauvierre Marc | Three=dimensional colour tv tube - uses internal side by side vertical dioptre with phosphor colour triplet bands formed on rear planar face |
FR2531252B1 (en) * | 1982-07-29 | 1987-09-25 | Guichard Jacques | RELIEF IMAGE DISPLAY METHOD AND IMPLEMENTATION DEVICE |
GB2272555A (en) * | 1992-11-11 | 1994-05-18 | Sharp Kk | Stereoscopic display using a light modulator |
JPH06311537A (en) * | 1993-04-26 | 1994-11-04 | Sanyo Electric Co Ltd | Projection type video image display device |
-
1997
- 1997-08-12 AU AUPO8523A patent/AUPO852397A0/en not_active Abandoned
-
1998
- 1998-08-12 CN CN98809058A patent/CN1270738A/en active Pending
- 1998-08-12 IL IL13448998A patent/IL134489A0/en unknown
- 1998-08-12 CA CA002300871A patent/CA2300871A1/en not_active Abandoned
- 1998-08-12 KR KR1020007001451A patent/KR20010022849A/en not_active Application Discontinuation
- 1998-08-12 EP EP98938514A patent/EP1004208A4/en not_active Withdrawn
- 1998-08-12 NZ NZ503041A patent/NZ503041A/en unknown
- 1998-08-12 WO PCT/AU1998/000635 patent/WO1999009750A1/en not_active Application Discontinuation
- 1998-08-12 ID IDW20000466A patent/ID24328A/en unknown
- 1998-08-12 JP JP2000510281A patent/JP2001516068A/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4737840A (en) * | 1983-07-31 | 1988-04-12 | Nec Home Electronics Ltd. | Color image projection apparatus with a screen including a shield plate, light-emitting layer and diffusion surface to expand viewing range of bright pictures |
EP0226155A2 (en) * | 1985-12-20 | 1987-06-24 | Bayer Ag | Process for dyeing and printing polyester fibrous materials |
EP0316465A1 (en) * | 1987-11-14 | 1989-05-24 | Dimension Technologies, Inc. | Autostereoscopic display with illuminating lines and light valve |
US5049987A (en) * | 1989-10-11 | 1991-09-17 | Reuben Hoppenstein | Method and apparatus for creating three-dimensional television or other multi-dimensional images |
AU1307692A (en) * | 1991-04-08 | 1992-10-15 | Stereoptics Limited | Stereoscopic television/video system |
EP0762177A2 (en) * | 1995-09-06 | 1997-03-12 | THOMSON multimedia | Stereoscopic display using a lenticular lens sheet |
Non-Patent Citations (1)
Title |
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See also references of EP1004208A4 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7813042B2 (en) | 2005-09-12 | 2010-10-12 | Sharp Kabushiki Kaisha | Multiple-view directional display |
EP2063308A1 (en) * | 2006-09-07 | 2009-05-27 | Sharp Kabushiki Kaisha | Image display device, electronic device, and parallax barrier element |
EP2063308A4 (en) * | 2006-09-07 | 2010-12-22 | Sharp Kk | Image display device, electronic device, and parallax barrier element |
US8687273B2 (en) | 2006-09-07 | 2014-04-01 | Sharp Kabushiki Kaisha | Image display device, electronic device, and parallax barrier element |
WO2011082992A3 (en) * | 2009-12-15 | 2011-09-15 | Secco Gmbh | Device for three-dimensional representation of multiple views and method for the production thereof |
WO2012164425A1 (en) * | 2011-05-30 | 2012-12-06 | Koninklijke Philips Electronics N.V. | Autostereoscopic display device |
WO2014065773A2 (en) | 2012-10-22 | 2014-05-01 | Odnorozhenko Vasiliy Borisovich | Autostereoscopic system |
Also Published As
Publication number | Publication date |
---|---|
ID24328A (en) | 2000-07-13 |
EP1004208A1 (en) | 2000-05-31 |
EP1004208A4 (en) | 2003-07-09 |
AUPO852397A0 (en) | 1997-09-04 |
CA2300871A1 (en) | 1999-02-25 |
NZ503041A (en) | 2002-09-27 |
JP2001516068A (en) | 2001-09-25 |
KR20010022849A (en) | 2001-03-26 |
CN1270738A (en) | 2000-10-18 |
IL134489A0 (en) | 2001-04-30 |
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