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3088.62000 4162.21000 cm /R39 Do Q Q q 4339 4162 1113 346 re W n q 1111.20000 0 0 345.57600 4339.84000 4162.21000 cm /R40 Do Q Q q 3088 5178 1112 346 re W n q 1111.20000 0 0 345.57600 3088.62000 5178.08000 cm /R41 Do Q Q q 4339 5178 1113 346 re W n q 1111.20000 0 0 345.57600 4339.84000 5178.08000 cm /R42 Do Q Q q 3088.62000 4019.21000 2362.43000 1623.61000 re W n /R35 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R43 7.14984 Tf 1 0 0 1 323.80900 408.01300 Tm [ (P) -18.69850 (e) -4.69853 (r) -0.32098 (so) -9.28438 (n) 14.30390 ( ) ] TJ ET Q 1 0 0 scn q 10 0 0 10 0 0 cm BT /R43 7.14984 Tf 1 0 0 1 348.23800 408.01300 Tm (A) Tj ET Q 0 0 0 scn q 10 0 0 10 0 0 cm BT /R43 7.14984 Tf 1 0 0 1 352.40800 408.01300 Tm [ (\325) 69.67900 (s ) 27.98290 (p) 9.72487 (o) -9.27414 (i) 13.67900 (n) 14.30390 (t) -18.32290 (s) -0.11951 (\055) ] TJ 0.06649 Tc 29.19530 0 Td (of) Tj 0 Tc 6.25625 0 Td [ (\055) 13.99320 (vi) 13.72340 (e) -4.69853 (w) -6117.75000 (P) -18.69850 (e) -4.69853 (r) -0.32098 (so) -9.28780 (n) 14.30050 ( ) ] TJ ET Q 0 0.43921 0.75391 scn q 10 0 0 10 0 0 cm BT /R43 7.14984 Tf 1 0 0 1 473.06700 408.01300 Tm (B) Tj ET Q 0 0 0 scn q 10 0 0 10 0 0 cm BT /R43 7.14984 Tf 1 0 0 1 477.83400 408.01300 Tm [ (\325) 69.67900 (s ) -13.70630 (p) 9.72487 (o) -9.27414 (i) 13.67900 (n) 14.30050 (t) -18.32290 (s) -0.12293 (\055) ] TJ 0.06649 Tc 29.49300 0 Td (of) Tj 0 Tc 6.25625 0 Td [ (\055) 13.99320 (vi) 13.72000 (e) -4.69853 (w) ] TJ -0.06435 Tc -139.07000 45.34340 Td [ (\0503) 5.02292 (\051 ) ] TJ ET Q 1 0 0 scn q 10 0 0 10 0 0 cm BT /R43 7.14984 Tf 1 0 0 1 384.34300 453.35600 Tm [ (P) -18.69850 (a) -4.69853 (ssi) 13.71320 (n) 14.30390 (g) ] TJ ET Q 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.03360 Tc /R43 7.14984 Tf 1 0 0 1 411.45300 453.35600 Tm [ (an) 19.00580 (d) 13.98630 ( ) ] TJ ET Q 0 0.43921 0.75391 scn q 10 0 0 10 0 0 cm BT /R43 7.14984 Tf 1 0 0 1 425.45500 453.35600 Tm [ (r) -0.32098 (e) -4.69853 (c) -4.69853 (e) -4.69853 (i) 13.67900 (vi) 13.72000 (n) 14.30050 (g) ] TJ ET Q 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.03360 Tc /R43 7.14984 Tf 1 0 0 1 456.14000 453.35600 Tm [ (an) 19.00580 ( ) -8.99414 (i) 17.99510 (t) -14.00680 (em) ] TJ -0.06435 Tc -82.55900 50.75350 Td [ (\0502) 5.02292 (\051 ) ] TJ ET Q 1 0 0 scn q 10 0 0 10 0 0 cm BT /R43 7.14984 Tf 1 0 0 1 383.41200 504.11000 Tm [ (G) 8.98389 (e) -4.69853 (st) -18.27850 (u) 14.30390 (r) -0.32098 (e) -4.69853 ( ) ] TJ ET Q 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.03360 Tc /R43 7.14984 Tf 1 0 0 1 410.52100 504.11000 Tm [ (an) 19.00580 (d) 13.98630 ( ) ] TJ ET Q 0 0.43921 0.75391 scn q 10 0 0 10 0 0 cm BT /R43 7.14984 Tf 1 0 0 1 424.52300 504.11000 Tm [ (p) 9.72487 (o) -9.27414 (si) 13.72000 (t) -18.32290 (i) 13.67900 (ve) -4.70536 ( ) ] TJ ET Q 0 0 0 scn q 10 0 0 10 0 0 cm BT /R43 7.14984 Tf 1 0 0 1 451.03800 504.11000 Tm [ (r) -0.32098 (e) -4.69853 (sp) 9.71121 (o) -9.27414 (n) 14.30050 (se) ] TJ -0.06435 Tc -75.74380 50.75390 Td [ (\0501) 5.02292 (\051 ) ] TJ ET Q 1 0 0 scn q 10 0 0 10 0 0 cm BT 0.13370 Tc /R43 7.14984 Tf 1 0 0 1 385.12500 554.86400 Tm [ (Po) 8.99072 (i) 31.99850 (n) 33.00240 (ti) 31.99170 (n) 33.00240 (g) 8.98731 ( ) ] TJ ET Q 0 0 0 scn q 10 0 0 10 0 0 cm BT /R43 7.14984 Tf 1 0 0 1 413.12900 554.86400 Tm [ (a) -4.69853 (n) 14.30050 (d) 9.72487 ( ) -13.69270 (sh) 14.28680 (i) 13.67900 (f) 4.30926 (t) -18.32290 ( ) -13.69270 (i) 13.67900 (n) 14.30050 ( ) ] TJ ET Q 0 0.43921 0.75391 scn q 10 0 0 10 0 0 cm BT 0.03360 Tc /R43 7.14984 Tf 1 0 0 1 450.36700 554.86400 Tm [ (at) -14 (t) -14.00680 (en) 19.00580 (t) -14.00680 (i) 17.99510 (o) -5.01268 (n) ] TJ ET Q 1 1 1 scn 3480.37000 5420.88000 265.14100 86.39450 re f 8.93730 w 1 j /R35 CS 1 0.75391 0 SCN 3480.37000 5420.88000 265.14100 86.39450 re S 0 0 0 scn q 10 0 0 10 0 0 cm BT /R43 5.36238 Tf 1 0 0 1 350.08300 544.56900 Tm [ (P) -18.68030 (e) -18.59380 (r) -0.26862 (so) 18.39800 (n) 0.40976 ( ) ] TJ ET Q 0 0.43921 0.75391 scn q 10 0 0 10 0 0 cm BT /R43 5.36238 Tf 1 0 0 1 368.55300 544.56900 Tm (B) Tj ET Q 17.87460 w 8 M 0 j 3350.78000 5413.43000 m 3350.78000 5447.98000 3378.79000 5475.99000 3413.34000 5475.99000 c 3447.89000 5475.99000 3475.90000 5447.98000 3475.90000 5413.43000 c 3475.90000 5378.88000 3447.89000 5350.87000 3413.34000 5350.87000 c 3378.79000 5350.87000 3350.78000 5378.88000 3350.78000 5413.43000 c h S 1 1 1 scn 4764.36000 4831.02000 265.14100 86.39450 re f 8.93730 w 10 M 1 j 4764.36000 4831.02000 265.14100 86.39450 re S 0 0 0 scn q 10 0 0 10 0 0 cm BT /R43 5.36238 Tf 1 0 0 1 478.47500 485.33600 Tm [ (P) -18.68490 (e) -18.59380 (r) -0.26406 (so) 18.39350 (n) 0.40976 ( ) ] TJ ET Q 1 0 0 scn q 10 0 0 10 0 0 cm BT /R43 5.36238 Tf 1 0 0 1 496.94500 485.33600 Tm (A) Tj ET Q 17.87460 w 8 M 0 j 4634.77000 4820.59000 m 4634.77000 4855.14000 4662.78000 4883.15000 4697.34000 4883.15000 c 4731.89000 4883.15000 4759.89000 4855.14000 4759.89000 4820.59000 c 4759.89000 4786.04000 4731.89000 4758.03000 4697.34000 4758.03000 c 4662.78000 4758.03000 4634.77000 4786.04000 4634.77000 4820.59000 c h S 1 1 1 scn 4746.49000 4419.90000 265.14100 86.39450 re f 8.93730 w 10 M 1 j 4746.49000 4419.90000 265.14100 86.39450 re S 0 0 0 scn q 10 0 0 10 0 0 cm BT /R43 5.36238 Tf 1 0 0 1 476.59000 444.34300 Tm [ (P) -18.68490 (e) -18.59380 (r) -0.26406 (so) 18.39350 (n) 0.40976 ( ) ] TJ ET Q 1 0 0 scn q 10 0 0 10 0 0 cm BT /R43 5.36238 Tf 1 0 0 1 495.06000 444.34300 Tm (A) Tj ET Q 17.87460 w 8 M 0 j 4616.90000 4409.47000 m 4616.90000 4444.02000 4644.91000 4472.04000 4679.46000 4472.04000 c 4714.01000 4472.04000 4742.02000 4444.02000 4742.02000 4409.47000 c 4742.02000 4374.92000 4714.01000 4346.91000 4679.46000 4346.91000 c 4644.91000 4346.91000 4616.90000 4374.92000 4616.90000 4409.47000 c h S 1 1 1 scn 3480.37000 4896.55000 265.14100 86.39450 re f 8.93730 w 10 M 1 j 3480.37000 4896.55000 265.14100 86.39450 re S 0 0 0 scn q 10 0 0 10 0 0 cm BT /R43 5.36238 Tf 1 0 0 1 350.08300 492.04800 Tm [ (P) -18.68030 (e) -18.59380 (r) -0.26862 (so) 18.39800 (n) 0.40976 ( ) ] TJ ET Q 0 0.43921 0.75391 scn q 10 0 0 10 0 0 cm BT /R43 5.36238 Tf 1 0 0 1 368.55300 492.04800 Tm (B) Tj ET Q 17.87460 w 8 M 0 j 3350.78000 4886.13000 m 3350.78000 4920.68000 3378.79000 4948.69000 3413.34000 4948.69000 c 3447.89000 4948.69000 3475.90000 4920.68000 3475.90000 4886.13000 c 3475.90000 4851.58000 3447.89000 4823.57000 3413.34000 4823.57000 c 3378.79000 4823.57000 3350.78000 4851.58000 3350.78000 4886.13000 c h S 1 1 1 scn 3388.02000 4372.23000 268.12100 86.39450 re f 8.93730 w 10 M 1 j 3388.02000 4372.23000 268.12100 86.39450 re S 0 0 0 scn q 10 0 0 10 0 0 cm BT /R43 5.36238 Tf 1 0 0 1 340.92200 439.58000 Tm [ (P) -18.68030 (e) -18.59380 (r) -0.26862 (so) 18.39800 (n) 0.40976 ( ) ] TJ ET Q 0 0.43921 0.75391 scn q 10 0 0 10 0 0 cm BT /R43 5.36238 Tf 1 0 0 1 359.39200 439.58000 Tm (B) Tj ET Q 17.87460 w 8 M 0 j 3258.43000 4361.81000 m 3258.43000 4396.36000 3286.44000 4424.37000 3320.99000 4424.37000 c 3355.54000 4424.37000 3383.55000 4396.36000 3383.55000 4361.81000 c 3383.55000 4327.25000 3355.54000 4299.25000 3320.99000 4299.25000 c 3286.44000 4299.25000 3258.43000 4327.25000 3258.43000 4361.81000 c h S 1 1 1 scn 4660.09000 5391.09000 265.14100 86.39450 re f 8.93730 w 10 M 1 j 4660.09000 5391.09000 265.14100 86.39450 re S 0 0 0 scn q 10 0 0 10 0 0 cm BT /R43 5.36238 Tf 1 0 0 1 467.92600 541.51100 Tm [ (P) -18.68490 (e) -18.59380 (r) -0.26406 (so) 18.39350 (n) 0.40976 ( ) ] TJ ET Q 1 0 0 scn q 10 0 0 10 0 0 cm BT /R43 5.36238 Tf 1 0 0 1 486.39600 541.51100 Tm (A) Tj ET Q 17.87460 w 8 M 0 j 4530.50000 5380.66000 m 4530.50000 5415.21000 4558.52000 5443.22000 4593.07000 5443.22000 c 4627.62000 5443.22000 4655.63000 5415.21000 4655.63000 5380.66000 c 4655.63000 5346.11000 4627.62000 5318.10000 4593.07000 5318.10000 c 4558.52000 5318.10000 4530.50000 5346.11000 4530.50000 5380.66000 c h S Q q 10 0 0 10 0 0 cm BT /R27 8.96640 Tf 1 0 0 1 308.86200 390.96200 Tm [ (Figure) -377.97900 (1\056) -377.99500 (Challenges) -377.99500 (of) -377.98700 (recognizing) -377.98400 (micro\055actions\056) -694.01900 (Slight) -378.01700 (head) ] TJ 10.95900 TL T* [ (motion) -243.98500 (of) -244.98200 (person) ] TJ /R45 8.96640 Tf 63.35700 0 Td [ (B) -0.69977 ] TJ /R27 8.96640 Tf 9.61094 0 Td [ (induces) -243.99100 (only) -245.00600 (slight) -243.97700 (local) -243.98800 (motion) -244.98500 (in) -244 (the) -244.02100 (person) ] TJ /R45 8.96640 Tf -72.96800 -10.95900 Td [ (A) -0.69977 ] TJ /R27 8.96640 Tf 6.90977 0 Td [ (\047) 55.00950 (s) -352.00300 (points\055of\055vie) 25.02020 (w) -353.02200 (in) -352 (\0501\051) -351.99200 (and) -352.98900 (\0502\051\056) -616.97900 (Hand) -351.99200 (motion) -351.98100 (by) -352.00900 (person) ] TJ /R45 8.96640 Tf 213.29000 0 Td [ (A) -0.69705 ] TJ /R27 8.96640 Tf 10.06990 0 Td (is) Tj -230.27000 -10.95900 Td [ (dif) 25.00110 <0263756c74> -250.00600 (to) -250.01400 (observ) 15 (e) -249.99700 (from) -249.99700 (the) ] TJ /R45 8.96640 Tf 102.49400 0 Td [ (A) -0.69705 ] TJ /R27 8.96640 Tf 6.90977 0 Td [ (\047) 55.00680 (s) -250.01700 (points\055of\055vie) 25.01740 (w) -249.98900 (in) -250.01100 (\0502\051) -250.00600 (and) -250 (\0503\051\056) ] TJ /R27 9.96260 Tf -97.44880 -35.93120 Td [ (T) 79.99160 (o) -247.01300 (enable) -247.01300 (such) -247.00500 (recognition) -246.98300 (ability) 65.00390 (\054) -247.99300 (we) -247.01800 (sho) 24.99090 (w) -247.01300 (in) -247.00800 (this) -246.99300 (w) 10.00320 (ork) ] TJ -11.95510 -11.95470 Td [ (that) -479.00300 (it) -479.00300 (is) -479.00600 (critical) -479.00600 (to) -479.00600 (ha) 19.99670 (v) 14.98280 (e) -478.98400 (access) -478.98400 (to) -479.00800 (a) -478.98400 (pair) -479.01300 (of) -479.01800 (e) 15.01220 (gocentric) ] TJ 11.95510 TL T* [ (videos) -407.00600 (tak) 10.00570 (en) -406.99100 (by) -406.98100 (tw) 10.00810 (o) -406.98600 (interacting) -407 (parties\056) -780.99200 (P) 14.99260 (articularl) 0.99493 (y) 63.99420 (\054) -446 (we) ] TJ T* [ (focus) -346.99400 (e) 15.01220 (xclusi) 25.00320 (v) 14.98280 (ely) -346.01300 (on) -346.99100 (dyadic) -346.00600 (\050) ] TJ /R31 9.96260 Tf 120.06300 0 Td [ (i\056e) 14.98280 (\056) ] TJ /R27 9.96260 Tf 12.02500 0 Td [ (\054) -370.99200 (tw) 10.00810 (o\055person\051) -346.01100 (interactions) ] TJ -132.08800 -11.95510 Td [ (and) -449.99800 (assume) -449.98400 (that) -451.00800 (both) -449.98100 (people) -449.98900 (are) -450.01300 (equipped) -450.01800 (with) -449.97900 (a) -450.98800 (head\055) ] TJ 11.95590 TL T* [ (mounted) -369.98200 (camera\056) -670.99100 (In) -370.99400 (this) -369.99200 (setting\054) -400.99700 (each) -369.98700 (person) -370.00200 (al) 10.00320 (w) 10.00320 (ays) -370.99200 (has) ] TJ 11.95510 TL (a) ' /R31 9.96260 Tf 6.64297 0 Td [ <0272> 10.01060 (st\055per) 10.01550 (son) ] TJ /R27 9.96260 Tf 47.95820 0 Td [ (point\055of\055vie) 25.01050 (w) -223.01700 (\050PO) 50.00640 (V\051) -222.98200 (observ) 24.99090 (ation) -221.98300 (of) -222.98200 (one\047) 55.01040 (s) -223.01700 (self) ] TJ -54.60120 -11.95510 Td [ (in) -326.01200 (one\047) 55.01290 (s) -325 (o) 24.98110 (wn) -326.01700 (video) -324.98700 (and) -326.01900 (a) ] TJ /R31 9.96260 Tf 106.09800 0 Td [ (second\055per) 10.01300 (son) ] TJ /R27 9.96260 Tf 61.24610 0 Td [ (PO) 50.01130 (V) -325 (observ) 24.99090 (ation) ] TJ -167.34400 -11.95470 Td [ (of) -461.99900 (the) -461.01400 (self) -461.99600 (in) -461.98900 (another) -461.99200 (vide) 0.99493 (o) -1.01454 (\056) -945.01400 (F) 14.99260 (or) -461.02100 (e) 15.01220 (xample\054) -514.98800 (Figure) ] TJ ET Q 1 0 0 rg q 10 0 0 10 0 0 cm BT /R27 9.96260 Tf 1 0 0 1 528.51800 226.51300 Tm (1) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R27 9.96260 Tf 1 0 0 1 533.49900 226.51300 Tm (\0501\051) Tj -224.63700 -11.95510 Td [ (sho) 24.99340 (ws) -439.01500 (person) ] TJ /R47 9.96260 Tf 59.97110 0 Td (A) Tj /R27 9.96260 Tf 11.84880 0 Td [ (pointing) -439.02000 (from) -439.99500 (both) -439 (his) -439.00500 (o) 24.98110 (wn) -439.99500 (PO) 50.01130 (V) -438.98100 (\050left\051) ] TJ -71.81990 -11.95510 Td [ (and) -356.01400 (the) -356.01200 (PO) 50.00880 (V) -356.01700 (of) -356.01700 (person) -356.00400 (B) -356.00400 (\050ri) 0.98023 (ght\051\056) -627.99800 (In) -356.01900 (this) -355.99500 (w) 10.00320 (ay) 65.00880 (\054) -382.99000 (e) 15.01220 (gocentric) ] TJ 11.95590 TL T* [ (videos) -357.99400 (are) -357.99200 (adv) 24.98110 (antageous) -358 (from) -358.00900 (a) -359.00400 (sensi) 1 (ng) -358.98900 (perspecti) 24.99090 (v) 14.98280 (e) -357.98400 (since) ] TJ 11.95510 TL T* [ (the) -388.98700 (head) -388.01100 (motion) -388.99100 (and) -388.98900 (hand) -388.00400 (motion) -388.99400 (of) -388.01400 (camera) -389.00400 (wearers) -389.00400 (are) ] TJ T* [ (often) -376.00600 (observ) 14.99260 (ed) -374.99600 (clearly) -376.01300 (in) -376.00600 (such) -374.98600 (videos\054) -407.00600 (making) -375.98600 (it) -376 (possible) ] TJ T* [ (to) -296.99700 (perform) -295.98200 (v) 24.98110 (arious) -296.99500 (forms) -296.01400 (of) -297.00900 <027273742d706572736f6e> -295.99500 (action) -296.99500 (recognition) ] TJ (\133) ' ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R27 9.96260 Tf 1 0 0 1 312.18000 142.82700 Tm (7) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R27 9.96260 Tf 1 0 0 1 317.16100 142.82700 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R27 9.96260 Tf 1 0 0 1 322.54100 142.82700 Tm (9) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R27 9.96260 Tf 1 0 0 1 327.52200 142.82700 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R27 9.96260 Tf 1 0 0 1 332.91200 142.82700 Tm (13) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R27 9.96260 Tf 1 0 0 1 342.87400 142.82700 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R27 9.96260 Tf 1 0 0 1 348.25400 142.82700 Tm (18) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R27 9.96260 Tf 1 0 0 1 358.21600 142.82700 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R27 9.96260 Tf 1 0 0 1 363.59600 142.82700 Tm (25) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R27 9.96260 Tf 1 0 0 1 373.55900 142.82700 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R27 9.96260 Tf 1 0 0 1 378.93800 142.82700 Tm (27) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R27 9.96260 Tf 1 0 0 1 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