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†1 †1 †1 †1 †1 †2

(LV) LV

LV2 LV

LV ThurstoneLV LV

2 LV

(Circular Vection; CV) (Linear Vection; LV) 2

CV, LVCV

[1-3]

CVLV

[4][5]

CVLV

LV

LV[6] [7]

†1 Graduate School of Information Science and Engineering,

Ritsumeikan University †2 Research Organization of Science and Technology, Ritsumeikan University

LV

180[8] LV

[9]

7.0m, 3.8m 7000

2.15m 3 PT-DW6300LK

360

Fig. 1 Immersive display system we constructed

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Vol.2017-HCI-171 No.282017/1/24

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[10]

[11]VR CG

CG

3 120

[6][7] CG

CG

CG[6][7] 6.0m

4.0m/s2

1.6m

LV

[6][7]

(1.6m)

0 20 40 60 805

LVLV

LV

[4]CV [1-3]LV

LVLV

[6][7] LVLV

LV

LVLV

[6][7]10 8 2

0.55m

(a) LV (b) LV

LV Fig. 2 Conceptual diagram of generation visual stimuli

(a)

(b)

Fig. 3 Textures mapped onto virtual cylinder

Fig. 4 Position of subject and size (viewing angle) of masked area

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25 0

20 40 60 80 10

[6][7] Thurstone2

LV

110 10C2=45

(1) 1 2 (2) 1 (3) 2 (4) 1 2

(5)

(6) (1) (5)

(5) 9 1

2

LV

[6][7] Thurstone

(i)

20 40 60 80LV

(ii) 20LV 40 0 60

80 (iii) 20

40 0 60 (Avg.=0.269, SEM=0.039)

(iv) 0LV

(v) t p<.1

(i)LV

80LV

LVCV [1-3]

(ii)

20 40 0LV

LVLV

Table 1 The patterns of visual stimuli

0 20 40 60 80

0 20 40 60 80

-1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1

-1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1

1 LV

Fig. 5 Relationship between upward vection and central masked area

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[6]A 0 20

40 10 (iii) 20 40 0 60

LV

20 60 1 4060 10%

(ii)020 40 LV

(iv) (ii)

(i)

LV(v)LV

LV[6] A LV

LV

LV

LV1

LV

LV

1 21

10 8 24 1

2 510

Thurstone1 2

(1) 1 2 (2) 1 (3) 2 (4) 1 2

(5)

(6) (1) (5)

(5) 9 1

2

LV

(i)

20 40 60 80LV

(ii) 20 LV

(iii) 40 60 60 8020 0 0 40

t p<.05, p<.1 (iv)

-2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2

-2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2

2 LV Fig. 6 Relationship between downward vection and central masked area

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LVp<.05

(i) LVLV A

LV B LV 5LV

(ii) 20

0 LV1

LVLV

LV 020 10

(iii) 20 40 LV

LV

LVLV 5

LV LV

(iv)LV

60

LV [12]LV

LV A LV B LV 5

LV

LV (iii) LVLV LV

[13] LV LV

[14]

[6][7]3

LV1

LV4

LV

LV LV[6][7] LV

LV

LV 1 LV

LV

2 LV

1 LVLV

[6][7]

3 LV4

LV[1-3]

LV [12]

4.3 LV LV

(S)

[1] I.P. Howard and T. Heckmann: “Circular vection as a function of

the relative sizes, distances, and positions of two competing visual displays,” Perception, Vol. 18, No. 5, pp. 657 - 665, 1989.

[2]

Vol. J86-B, No. 1, pp. 45 - 56, 2003. [3] T. Brandt, J. Dichgans, and E. Koenig: “Differential effects of

central versus peripheral vision on egocentric and exocentric motion perception,” Experimental Brain Research, Vol. 16, No. 5, pp. 476 - 491, 1973.

[4] Vol. 33, No. 6, pp. 479 - 484, 1979.

[5] S.J. Anderson: HIP,

Vol. 98, No. 397, pp. 23 - 30, 1998.

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[6]

MVE, Vol. 115, No.495, pp. 223 - 228, 2016.

[7]

(2) 21

Vol. 31B-06, 2016.[8]

p. 172, 2009.[9] G. Johansson: “Studies on visual perception of locomotion,”

Perception, Vol. 6, No. 4, pp. 365 - 376, 1977.[10]

CVIM 2008, No. 36,pp. 43 - 46, 2008.

[11]

Vol. 8, No. 1, pp.111 - 117, 2003.

[12]Vol. 49, No. 1, pp. 18 - 24, 2013.

[13]

HIP Vol. 101, No. 424, pp. 39 - 42, 2001.[14]

79 2EV-059, 2015.

[6][7] ThurstoneLV LV

LV

-2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5

-2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5

LV Fig. B Relationship between backward vection and central masked area

-1.5 -1 -0.5 0 0.5 1 1.5 2

-1.5 -1 -0.5 0 0.5 1 1.5 2

LV Fig. A Relationship between forward vection and central masked area

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