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Abstract— Wisplay using anor stereoscopic rder that left anor left and rightn the same posD image by theroblem becausosition. Moreoiewing becausebserver can waght eyes witho

Index Terms—verlapping ster

Conventionauch as polarize

However, thesearge scale equealize the simnteractive spatesearched the roposed 3D dienticular screenor displaying escribe the 3Dsold at storesA liquid cr

ommon use. isplay two sterght regions pght eyes. Aolarization. Fo the right reglasses, can vimages. Howeame position bave an intervahe 3D image b

One of the soereoscope. T

ee stereoscopi

Y. Yatabe and Kigashinada, Kobe

S. Nomura is amitomioka, Nag

T. Hirotomi, K. 060 Nishikawatsu

We developed n LCD displayviewing. The nd right regiont eyes. Becaus

sition, it is diffe stereoviewinge it shifts both

over this gratine of its view catch overlappeout special glas

—3D imaging, reoscopic imag

I. INTR

al 3D movie sed glasses prove 3D imaging uipment. Ourmple 3D imatial imaging e3D displays aisplays using n and the holoactive imag

D adapter usins, for easy 3D rystal display

When the screoscopic imaprovide the stAn LCD scror example, wgion, the obseiew the separever, both sterbecause both al, then it is dby the stereoviolutions to thi

This 4-mirror sic images. B

K. Sakamoto are e 658-8501, Japan

with Nagaokagaoka 940-2188, J

Shiwaku and M.u-cho, Matsue, Sh

HanU

a glasses-frey panel and a display screen

ns provide the e both stereosc

ficult for the og. The grating

h left and rightng film can givcontrol effect. ed stereoscopicses such as pol

stereoscope, oges, viewing an

RODUCTION systems with vide us touchasystems are vr research graging systemenvironment. and applicatiothe slit as a p

ographic opticae[1][2][3]. I

ng an optical gimage viewin

y (LCD) reccreen is dividges in the samtereoscopic imreen has the

when a 1/2 waverver, who wated left and reoscopic imacenters of lef

difficult for thiewing. is problem is tstereoscope is

But this paper

with Konan Univn (e-mail: kunio@a University ofJapan Hirakawa are wi

himane 690-8504

ndmadUsing C

YoshifumTetsuya Hiro

ee 3D stereosspecial grating

n is divided in hstereoscopic im

copic images arobserver to vieg film can solvt images to the ve us glasses-fr

As the resulc images for leflarized glasses

optical gratingngle control film

the special glable spatial imvery expensivoup would li

m to construc The authors

ons. We haveparallax barrieal elements(HIn this papergrating film, wng. cently comes ded in half, i

me size. The lefmages for lefe characteristive plate is atta

wears the polaright stereos

ages are not ift and right ree observer to

to use the 4-ms an easiest wr describes an

versity, 8-9-1 Oka@konan-u.ac.jp).f Technology, 1

ith Shimane Univ, Japan

de GlaCommmi Yatabe, Kotomi, Kunin

scopic g film half in mages re not

ew the ve this

same ree 3D lt, the ft and .

g film, m

lasses mages.

e and ke to ct an have

e ever er, the HOEs) r, we which

into it can ft and ft and ic of ached arized copic in the gions view

mirror way to nother

amoto,

1603-1

versity,

solut

Fig.

Nistartewatcdecoconvsteredividsteredisplhas tleft aand attacpolarsterenot iregioview

asses-fmerciaKunio Sakamonori Shiwaku

tion.

2 Stereoscope

ippon BS Bed the BS11

ch this programode the BS11 ventional TVeoscopic imagded in half, eoscopic imaglay recently cthe characterisand right regioright eyes. F

ched to the rirized glasses

eoscopic imagin the same poons has an int

w the 3D imag

free 3Dal DIY

oto, Shusakuu and Masah

Fig. 1 3D TV

e using polariz

II. MOTIV

Broadcasting 3D television

m, we need a 3D broadcas

V monitor, wge as shown it enables u

ges in the samcomes into costic of polarizaons provide thFor example, ight region, t, can view t

ges. However osition becauerval, then it i

ge by the stere

D VieY Good

u Nomura, hito Hirakawa

V broadcast

zed glasses (p

VATIONS Corporation n programminspecial TV di

st signal formwe observe in Fig. 1. I

us to display me size. A LCommon use. Aation. As show

he stereoscopicwhen the 1/

the observer, the separatedboth stereosc

se the center is difficult foreoviewing. If

ewer ds

a

parallel viewin

(BS11 digitng in 2007. splay which c

mat. In case ofa side-by-si

If the screen left and rig

CD or a plasmAn LCD screwn in Fig. 2, tc images for l/2 wave plate

who wears td left and rigcopic images aof left and rigr the observerthe display u

ng)

tal) To

can f a ide

is ght ma een the left is the ght are ght r to unit

emanpom

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cocaHpowobthscof

sahaeythth

thvifilThanimopfilst

co

mits orthogonnd horizontalosition proble

monitor.

Fig. 3

III. GLASSE

A liquid crysWhen the scre

ereoscopic imeft and right rend right eyesolarization. ttached to theolarized glassereoscopic imAn ordinary

omputer screean rotate the p

Half the screenolarization. T

with each side pbserver uses ahe right eye cacreen only, anf the screen on

In these methame position bave an intervayes either to crhus it is difficuhe stereoviewi

To solve thishe 3D adapter iewing. The plm shifts bothhe observer wnd right eyes.mages when tptical grating lm appropriateereoscopic lefThe prototy

ommercial 7

nal polarized rl right imageem, we can en

Stereoscope (cross-ey

ES 3D VISION

stal display reeen is divide

mages in the saegions provide. An LCD sFor example

e right regionses, can view

mages. cellophane w

en into a 3D dolarization of

n is covered wThus the screeportraying sliga pair of glassan see light c

nd the left eye nly as shown ihods, both stebecause both al. The obserross, or to diveult for the obng. unnatural 3Dusing an optiprinciple is vh left and righ

watches overlap But it is pothe observer film is thin anely locates apaft and right imype stereoscinch LCD p

rays, e.g., veres, and overnjoy 3D TV p

using polarizeyed viewing)

USING SIDE-B

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n, the observew the separat

wrap can be usdisplay[4]. Thf light such as with the cellopen of an LCDghtly differentes that are dif

coming from tcan see light

in Fig. 3. ereoscopic imcenters of lefrvers are requerge, to perceiserver to view

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ossible to sepawears polari

nd works as a art from the di

mages are overcopic displaypanel. The

rtical polarizercomes the irograms using

ed glasses

BY-SIDE IMAGE

into commont can displayshown in Fig. 2opic images fohe characterist1/2 wave plaer, who wearted left and

sed to turn a lahe cellophane the 1/2 wave p

phane to chang is divided int images. Whfferently polarthe left half ofrom the righ

mages are not ift and right reuired to force ive a 3D imagw the 3D imag

blem, we devellm for stereosThe optical grthe same posopic images foarate left and zer glasses. prism. The opisplay panel sorlapped. y consists oscreen size o

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LARIZATION C

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ONTROL TECH

larizing filters4 shows the b

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ASSES-LESS VI

rating Film SOLFTM” ope as shown in Fs for separatins into appropria new grating expectedly fouomiya Store on. We regard

OLF sheet. HoUsing this filmut not from thlous features eet, so that it ending on the for 3D viewinannot be seenor what angl

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The width of tshown in the Fh an angle αafter the ray

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IEWING SYSTE

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he right as showis that it can looks either liangle of sight

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ed image

al is blocked bthe same as ther can perceivmage by a righview control efter the gratingposition. Theriew the 3D im

left viewing

ating film

es-free stereosnels for playine size of pan103mm. Assuen the centede-by-side ande and a right is positioned 9ereoscopic leferver perceivem as shown instance is 400 l film, the obs

by the he left ve the ht eye effect g film refore, mages

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see the 3D imwing window oand right imagimages by theses.

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his research ing Scientists((General)” #ure, Sports, Sby a grant f

ociation. A paially supportean University

an.

K. Sakamoto, M.Display Using HWorkshops, pp.17 K. Sakamoto, RRegion of ParallDisplay WorkshoK. Sakamoto, R. display using polVirtual Systems K. Iizuka, “Cellolaptop computer Instrum. vol. 74,

L

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mage at approxof a display boges are restricte binocular st

18 Optical des

ppearance of 3

ACKNOWLE

s partially sup(B)” #207001#20500481 frcience and Te

from the Hyoart of this wored by the Hiy Associatio

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Takaki, M. NishHolographic Scree769-1772, 2005

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R:Cut off

mm

9

40Not visible

ximately 300 mox. Since viewted, the observereo viewing

sign for 3D vi

3D display (K

EDGMENT pported by “G112 and “Scierom Ministryechnology Japogo Science ark is done whirao Taro Fouon for Acade

ENCES hida, “Parallax Baen”, Proc. of 12th

akaki, “EliminatioDisplay”, Proc. o98, 2004 aki, “Parallax barr. of 10th Internatpp. 128-133, 200

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