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-438.00600 (facial) -437.00600 (k) 10.01140 (e) 30.00730 (ypoint) -438.02000 (detection\054) -483.99000 (and) -437.99100 <7369676e690263616e74> -438.00700 (impr) 44.99070 (o) 9.98323 (ve\055) ] TJ 11.95590 TL T* [ (ment) -292.00800 (o) 9.98384 (ver) -292.00800 (simple) -292.00700 <026e6574756e696e67> 10.00280 (\054) -302.98400 (especially) -291.99300 (when) -293.01300 (tr) 14.97730 (aining) -291.99800 (data) ] TJ 11.95510 TL T* [ (is) -255.98600 (scar) 37.01560 (ce) 15.00420 (\056) -325.99900 (Additionally) 54.99350 (\054) -256.99300 (we) -256.01100 (pr) 37.01930 (esent) -254.99300 (a) -256 (ne) 14.97730 (w) -255.98600 (dataset) -255.01600 (with) -256 (3717) ] TJ T* [ (ima) 9.99487 (g) 9.98384 (es) -249.99100 (with) -250.00300 (hor) 9.99180 (se) -249.99100 (face) -249.99500 (and) -249.99100 (facial) -249.98600 (k) 10.01140 (e) 30.00730 (ypoint) -249.98000 (annotations\056) ] TJ /R29 11.95500 Tf 38.52070 TL T* [ (1\056) -250.00700 (Intr) 17.98640 (oduction) ] TJ /R31 9.96300 Tf 11.95510 -19.81410 Td [ (F) 15.01400 (acial) -245.99000 (k) 9.98384 (e) 14.99080 (ypoint) -246.98800 (detection) -246.01400 (is) -247.00600 (a) -246.01400 (necessary) -245.98800 (precondition) -247 (for) ] TJ -11.95510 -11.95510 Td [ (f) 10.00830 (ace) -302.99500 (ali) 0.99122 (gn) -1.00837 (m) 0.98448 (ent) -303.01800 (and) -303.01100 (re) 15 (gistration\054) -315.02200 (and) -303.01100 (impacts) -301.97900 (f) 10.00770 (acial) -302.99600 (e) 14.99200 (xpres\055) ] TJ 11.95590 TL T* [ (sion) -329.01800 (analysis\054) -349.01200 (f) 10.00770 (acial) -328.99200 (tracking\054) -348.98200 (as) -328.99400 (well) -328.98700 (as) -328.99600 (graphics) -328.99600 (methods) ] TJ 11.95510 TL T* [ (that) -190.98300 (manipulate) -191 (or) -190.00400 (transform) -190.99800 (f) 10.00770 (aces\056) -290.02200 (While) -190.98500 (human) -191.00500 (f) 10.00770 (acial) -190.98000 (k) 9.98323 (e) 14.99200 (y\055) ] TJ T* [ (point) -285.00500 (detection) -284.98600 (is) -284.99900 (a) -284.98600 (mature) -284.01300 (area) -284.98900 (of) -285.00300 (research\054) -294 (despite) -285.02200 (its) -284.98000 (im\055) ] TJ T* [ (portance\054) -225.99200 (animal) -220.01800 (f) 10.00770 (acial) -219.99500 (k) 9.98323 (e) 14.99080 (ypoint) -220.01300 (detection) -220.01800 (is) -219.99400 (a) -219.97900 (relati) 24.98990 (v) 15.00180 (ely) -220.01600 (un\055) ] TJ T* [ (e) 14.99080 (xplored) -273.99700 (area\056) -380.99500 (F) 15.01400 (or) -273.00600 (e) 14.99080 (xample\054) -279.98600 (v) 15.00180 (eterinary) -273.01200 (research) -273.98000 (has) -274 (sho) 25.00710 (wn) ] TJ T* [ (that) -251.99000 (horses) -251.98700 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 98.85080 186.25800 Tm (16) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 108.81400 186.25800 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 113.81300 186.25800 Tm (11) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 123.77600 186.25800 Tm [ (\135\054) -252.98300 (mice) -252.01500 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 157.30100 186.25800 Tm (25) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 167.26400 186.25800 Tm [ (\135\054) -252.98300 (sheep) -252.00500 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 204.10700 186.25800 Tm (3) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 209.08900 186.25800 Tm [ (\135\054) -252.00400 (and) -252.98200 (c) 0.99489 (ats) -252.99200 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 255.63600 186.25800 Tm (17) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 265.59800 186.25800 Tm [ (\135) -252.01600 (dis\055) ] TJ -215.48600 -11.95630 Td [ (play) -302.99200 (f) 10.00830 (acial) -302.01700 (e) 14.99080 (xpressions) -302.98500 (of) -303 (pain) -302.01200 (\226) -303.01100 (a) -302.00200 (f) 10.00770 (acial) -302.99600 (k) 10.02240 (e) 14.99200 (ypoint) -303.01600 (detector) ] TJ 11.95470 TL T* [ (could) -261.99500 (be) -261.98600 (use) 1.00163 (d) -262 (to) -261.98100 (help) -261.98100 (automate) -260.99100 (such) -262.01700 (animal) -262.00900 (pain) -261.98300 (detection\056) ] TJ T* [ (In) -308.99900 (thi) 1.00286 (s) -309.01300 (paper) 40 (\054) -322.98000 (we) -308.98900 (tackle) -307.99000 (the) -308.97800 (problem) -308.01100 (of) -309 (f) 10.00770 (acial) -308.01500 (k) 9.98323 (e) 14.99200 (ypoint) -309.01400 (de\055) ] TJ T* [ (tection) -250.01200 (for) -249.98100 (animals\054) -250.01700 (with) -250.01200 (a) -250.01300 (focus) -250.01000 (on) -250.01600 (horses) -249.98700 (and) -250.00200 (sheep\056) ] TJ 11.95470 -12.83980 Td [ (Con) 40.00340 (v) 20.02100 (olutional) -524.01800 (neural) -525.00200 (netw) 10.00900 (orks) -524.00500 (\050CNNs\051) -523.98000 (ha) 19.99590 (v) 15.00180 (e) -525.01400 (demon\055) ] TJ -11.95470 -11.95630 Td [ (strated) -354.98200 (impressi) 24.99110 (v) 15.00180 (e) -353.99200 (performance) -355.01700 (for) ] TJ /R37 9.96300 Tf 145.41800 0 Td (human) Tj /R31 9.96300 Tf 30.65200 0 Td [ (f) 10.00770 (acial) -354.98500 (k) 9.98323 (e) 14.99200 (ypoint) ] TJ -176.07000 -11.95510 Td [ (detection) -217 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 92.11600 101.68600 Tm (33) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 102.07900 101.68600 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 106.72900 101.68600 Tm (47) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 116.69200 101.68600 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 121.34400 101.68600 Tm (41) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 131.30700 101.68600 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 135.95900 101.68600 Tm (54) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 145.92200 101.68600 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 150.57400 101.68600 Tm (20) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 160.53700 101.68600 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 165.18900 101.68600 Tm (61) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 175.15200 101.68600 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 179.79400 101.68600 Tm (6) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 184.77600 101.68600 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 189.42800 101.68600 Tm (56) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96300 Tf 1 0 0 1 199.39100 101.68600 Tm [ (\135\054) -224.01000 (which) -217.01900 (mak) 10 (es) -217.01900 (CNNs) ] TJ ET Q 3.98000 w 0 G 501.12100 904.14800 m 1446.11000 904.14800 l S q 10 0 0 10 0 0 cm BT /R39 5.97800 Tf 1 0 0 1 60.14100 83.81290 Tm [ <03> -0.89950 ] TJ /R31 7.97000 Tf 4.31680 -2.81289 Td [ (W) 80.01810 (ork) -249.98700 (done) -250.01800 (while) -250.01400 (an) -249.97900 (intern) -249.97800 (at) -250.00400 (UC) -250.00800 (Da) 20.00300 (vis\056) ] TJ ET Q q 3106.62000 4309.34000 2326.50000 1472.96000 re W n /R42 cs 1 1 1 scn 3106.62000 4309.34000 2326.50000 1472.96000 re f Q q 4754.44000 5103.61000 663.86700 663.86700 re W n Q q 4754.44000 5103.61000 663.86700 663.86700 re W n q 663.86900 0 0 663.86900 4754.44000 5103.61000 cm /R45 Do Q Q q 3106.62000 4309.34000 2326.50000 1472.96000 re W n 2.96219 w 1 j /R42 CS 0 0 0 SCN 4752.96000 5102.47000 666.49200 666.49200 re S Q q 3263.70000 5198.45000 536.43000 539.39500 re W n Q q 3263.70000 5198.45000 536.43000 539.39500 re W n q 536.43000 0 0 539.39300 3263.70000 5198.45000 cm /R46 Do Q Q q 3106.62000 4309.34000 2326.50000 1472.96000 re W n 2.96219 w 1 j /R42 CS 0 0 0 SCN 3262.21000 5197.24000 539.11700 542.08200 re S Q q 3260.73000 4333.05000 536.43400 539.39100 re W n Q q 3260.73000 4333.05000 536.43400 539.39100 re W n q 536.43000 0 0 539.39300 3260.73000 4333.05000 cm /R47 Do Q Q q 3106.62000 4309.34000 2326.50000 1472.96000 re W n 2.96219 w 1 j /R42 CS 0 0 0 SCN 3259.25000 4331.84000 539.12100 542.08200 re S Q q 4754.44000 4315.27000 663.86700 663.87100 re W n Q q 4754.44000 4315.27000 663.86700 663.87100 re W n q 663.86900 0 0 663.86900 4754.44000 4315.27000 cm /R48 Do Q Q q 3106.62000 4309.34000 2326.50000 1472.96000 re W n 2.96219 w 1 j /R42 CS 0 0 0 SCN 4752.96000 4314.13000 666.49200 666.49200 re S /R42 cs 0.35693 0.60742 0.83594 scn 3967.57000 4712.40000 m 3967.57000 4747.59000 3996.10000 4776.13000 4031.29000 4776.13000 c 4523.27000 4776.13000 l 4558.46000 4776.13000 4586.99000 4747.59000 4586.99000 4712.40000 c 4586.99000 4457.53000 l 4586.99000 4422.34000 4558.46000 4393.81000 4523.27000 4393.81000 c 4031.29000 4393.81000 l 3996.10000 4393.81000 3967.57000 4422.34000 3967.57000 4457.53000 c f 8 M 0 j /R42 CS 0.25488 0.44311 0.61133 SCN 3967.57000 4712.43000 m 3967.57000 4747.61000 3996.09000 4776.12000 4031.26000 4776.12000 c 4522.98000 4776.12000 l 4558.16000 4776.12000 4586.67000 4747.61000 4586.67000 4712.43000 c 4586.67000 4457.69000 l 4586.67000 4422.52000 4558.16000 4394 4522.98000 4394 c 4031.26000 4394 l 3996.09000 4394 3967.57000 4422.52000 3967.57000 4457.69000 c h S 3967.57000 5569.41000 m 3967.57000 5604.32000 3995.88000 5632.63000 4030.80000 5632.63000 c 4523.76000 5632.63000 l 4558.68000 5632.63000 4586.99000 5604.32000 4586.99000 5569.41000 c 4586.99000 5316.51000 l 4586.99000 5281.59000 4558.68000 5253.28000 4523.76000 5253.28000 c 4030.80000 5253.28000 l 3995.88000 5253.28000 3967.57000 5281.59000 3967.57000 5316.51000 c f /R42 CS 0.25488 0.44311 0.61133 SCN 3967.57000 5569.44000 m 3967.57000 5604.34000 3995.87000 5632.63000 4030.77000 5632.63000 c 4523.48000 5632.63000 l 4558.38000 5632.63000 4586.67000 5604.34000 4586.67000 5569.44000 c 4586.67000 5316.67000 l 4586.67000 5281.77000 4558.38000 5253.47000 4523.48000 5253.47000 c 4030.77000 5253.47000 l 3995.87000 5253.47000 3967.57000 5281.77000 3967.57000 5316.67000 c h S 3484.49000 5116.95000 m 3497.83000 5116.95000 l 3497.83000 5191.04000 l 3524.50000 5191.04000 l 3524.50000 5116.95000 l 3537.84000 5116.95000 l 3511.16000 5090.27000 l f /R42 CS 0.25488 0.44311 0.61133 SCN 3484.49000 5116.98000 m 3497.82000 5116.98000 l 3497.82000 5191.04000 l 3524.48000 5191.04000 l 3524.48000 5116.98000 l 3537.81000 5116.98000 l 3511.15000 5090.33000 l h S 3484.49000 4906.53000 m 3497.83000 4906.53000 l 3497.83000 4980.62000 l 3524.50000 4980.62000 l 3524.50000 4906.53000 l 3537.84000 4906.53000 l 3511.16000 4879.85000 l f /R42 CS 0.25488 0.44311 0.61133 SCN 3484.49000 4906.56000 m 3497.82000 4906.56000 l 3497.82000 4980.62000 l 3524.48000 4980.62000 l 3524.48000 4906.56000 l 3537.81000 4906.56000 l 3511.15000 4879.90000 l h S 3825.32000 4601.27000 m 3905.34000 4601.27000 l 3905.34000 4619.05000 l 3940.90000 4583.48000 l 3905.34000 4547.92000 l 3905.34000 4565.70000 l 3825.32000 4565.70000 l f /R42 CS 0.25488 0.44311 0.61133 SCN 3825.32000 4601.27000 m 3905.30000 4601.27000 l 3905.30000 4619.05000 l 3940.84000 4583.50000 l 3905.30000 4547.95000 l 3905.30000 4565.73000 l 3825.32000 4565.73000 l h S 3825.32000 5460.74000 m 3905.34000 5460.74000 l 3905.34000 5478.52000 l 3940.90000 5442.96000 l 3905.34000 5407.39000 l 3905.34000 5425.17000 l 3825.32000 5425.17000 l f /R42 CS 0.25488 0.44311 0.61133 SCN 3825.32000 5460.75000 m 3905.30000 5460.75000 l 3905.30000 5478.52000 l 3940.84000 5442.97000 l 3905.30000 5407.43000 l 3905.30000 5425.20000 l 3825.32000 5425.20000 l h S 4613.66000 5470.37000 m 4695.16000 5470.37000 l 4695.16000 5487.41000 l 4729.25000 5453.33000 l 4695.16000 5419.25000 l 4695.16000 5436.29000 l 4613.66000 5436.29000 l f /R42 CS 0.25488 0.44311 0.61133 SCN 4613.66000 5470.38000 m 4695.12000 5470.38000 l 4695.12000 5487.41000 l 4729.19000 5453.34000 l 4695.12000 5419.28000 l 4695.12000 5436.31000 l 4613.66000 5436.31000 l h S 4613.66000 4604.23000 m 4693.68000 4604.23000 l 4693.68000 4622.01000 l 4729.25000 4586.45000 l 4693.68000 4550.88000 l 4693.68000 4568.66000 l 4613.66000 4568.66000 l f /R42 CS 0.25488 0.44311 0.61133 SCN 4613.66000 4604.24000 m 4693.64000 4604.24000 l 4693.64000 4622.01000 l 4729.19000 4586.46000 l 4693.64000 4550.92000 l 4693.64000 4568.69000 l 4613.66000 4568.69000 l h S 3235.54000 5064.10000 m 3235.54000 5072.01000 3241.95000 5078.42000 3249.86000 5078.42000 c 3784.32000 5078.42000 l 3792.23000 5078.42000 3798.64000 5072.01000 3798.64000 5064.10000 c 3798.64000 5006.80000 l 3798.64000 4998.89000 3792.23000 4992.47000 3784.32000 4992.47000 c 3249.86000 4992.47000 l 3241.95000 4992.47000 3235.54000 4998.89000 3235.54000 5006.80000 c f /R42 CS 0.25488 0.44311 0.61133 SCN 3235.54000 5064.10000 m 3235.54000 5072.01000 3241.95000 5078.42000 3249.86000 5078.42000 c 3784.04000 5078.42000 l 3791.95000 5078.42000 3798.36000 5072.01000 3798.36000 5064.10000 c 3798.36000 5006.83000 l 3798.36000 4998.93000 3791.95000 4992.52000 3784.04000 4992.52000 c 3249.86000 4992.52000 l 3241.95000 4992.52000 3235.54000 4998.93000 3235.54000 5006.83000 c h S 1 1 1 scn q 10 0 0 10 0 0 cm BT 0.01423 Tc /R49 7.11288 Tf 1 0 0 1 402.87400 549.44400 Tm [ (\041\042) -15.00630 (\043) 8.97223 (\044) 22.98320 (\045) -14.98570 (\046) ] TJ -0.14226 Tc 22.52660 0 Td [ (\047\050) -22.00150 (\051) -25.01510 (\052) -36.98730 (\053) -34.98280 (\054) -40.98940 (\045) -36.98730 (\055) -18.02000 (\046) ] TJ 0.07113 Tc -12.74650 -8.59258 Td [ (\056\050) 8.00430 (\055) 11.97900 (\050) 8.02489 (\057) 16.00860 (\055) 11.97900 (\054) -10.98360 (\053) -4.98381 (\045) -6.98831 (\046) ] TJ -0.14937 Tc 2.07695 -8.59219 Td [ (0\050) -22.99690 (\055) -19.02220 (1) -14.00410 (\053) -35.98500 (2) -5.02500 (3) ] TJ 0.01423 Tc -11.85700 -67.01760 Td [ (\041\042) -15.00630 (\043) 8.97223 (\044) 22.98320 (\045) -14.98570 (\046) ] TJ -0.14226 Tc 22.52660 0 Td [ (\047\050) -22.00150 (\051) -25.01510 (\052) -36.98730 (\053) -34.98280 (\054) -40.98940 (\045) -36.98730 (\055) -18.02000 (\046) ] TJ 0.07113 Tc -12.74650 -8.59258 Td [ (\056\050) 8.00430 (\055) 11.97900 (\050) 8.02489 (\057) 16.00860 (\055) 11.97900 (\054) -10.98360 (\053) -4.98381 (\045) -6.98831 (\046) ] TJ -0.14937 Tc 2.07695 -8.59219 Td [ (0\050) -22.99690 (\055) -19.02220 (1) -14.00410 (\053) -35.98500 (2) -5.02500 (3) ] TJ -0.40330 Tc -87.87230 53.01210 Td [ (4\044) -36.01590 (2) -40.99630 (\052) -73.02720 (\054) -78.01790 (\045) -73.02720 (5) -43.98930 (\046) -81.01780 (0) -35.99530 (\050) -59.00250 (\055) -54.99690 (1) -49.97880 (\053) -71.02610 (2) -40.99630 (3) ] TJ ET Q 0 0 0 scn q 10 0 0 10 0 0 cm BT -0.14356 Tc /R49 8.29836 Tf 1 0 0 1 311.30900 547.13100 Tm [ (6\044) -2.98322 (7) ] TJ 86.79220 TL T* [ (68) -28.01700 (7) ] TJ ET Q Q q 10 0 0 10 0 0 cm BT /R31 8.96600 Tf 1 0 0 1 308.86200 419.97500 Tm [ (Figure) -218.00300 (1\056) ] TJ /R29 8.96600 Tf 34.05080 0 Td [ (Main) -218.01900 (idea\056) ] TJ /R31 8.96600 Tf 43.25200 0 Td (\050) Tj /R29 8.96600 Tf 2.98555 0 Td (a) Tj /R31 8.96600 Tf 4.48320 0 Td [ (\051) -217.99700 (Directly) -218.97500 <026e6574756e696e67> -218 (a) -218.00600 (human) -219.01300 (k) 9.99871 (e) 14.99260 (ypoint) -218.02200 (de\055) ] TJ -84.77150 -10.95900 Td [ (tector) -268.99000 (to) -269.01200 (horses) -268.99300 (can) -267.99600 (be) -269.00400 (suboptimal\054) -273.99000 (since) -269.01200 (horses) -268.99600 (and) -269.02300 (humans) -268 (ha) 19.98110 (v) 15.00900 (e) ] TJ 10.95900 TL T* [ (v) 15.00900 (ery) -371.98100 (dif) 24.99680 (ferent) -373.01000 (shapes) -371.99700 (and) -372.97800 (appearances\056) -677.02100 (\050) ] TJ /R29 8.96600 Tf 151.75800 0 Td (b) Tj /R31 8.96600 Tf 4.98516 0 Td [ (\051) -372.00500 (By) -373.01800 (w) 10.02050 (arping) -371.98900 (a) -373.01800 (horse) ] TJ -156.74300 -10.95900 Td [ (to) -259.99400 (ha) 19.97840 (v) 15.00900 (e) -260.00500 (a) -259.00300 (more) -259.99600 (human\055lik) 10.00420 (e) -260.00500 (shape\054) -262.00900 (the) -259.98800 (pre\055trained) -259.98300 (human) -259.00800 (k) 9.99871 (e) 14.99260 (ypoint) ] TJ 10.95820 TL T* [ (detector) -250.01100 (can) -250.00300 (more) 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