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(or) -294.99400 (video\056) -456 (A) -296.01500 (recurrent) -296 (neural) ] TJ 0.98000 0 0 1 50.11210 154.37100 Tm [ (netw) 9.98920 (ork) -243.00700 (\050RNN\051\054) -243.00300 (typically) -243.99300 (implemented) -242.99400 (with) -242.99200 (long) -243.99200 (short\055term) ] TJ 1.00900 0 0 1 50.11210 142.41500 Tm [ (memory) -248.01100 (\050LSTM\051) -248.98300 (units) -247.99200 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96260 Tf 1 0 0 1 147.51000 142.41500 Tm (17) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96260 Tf 1.00900 0 0 1 157.47300 142.41500 Tm [ (\135\054) -249.01800 (is) -247.98400 (then) -248.01700 (emplo) 10.00630 (yed) -248.98700 (as) -247.99100 (a) -249.01800 (decoder) ] TJ 1 0 0 1 50.11210 130.46000 Tm [ (to) -249.98500 (generate) -250.00100 (a) -250.00200 (caption\056) ] TJ 0.98000 0 0 1 62.06720 116.86600 Tm [ (Recent) -247.98500 (w) 9.99421 (ork) -248.00900 (sho) 25.00210 (ws) -247.99700 (that) -248.00800 (adding) -248.01300 (e) 15.01980 (xplicit) -248.01300 (high\055le) 24.98580 (v) 16.00620 (el) -248.98600 (seman\055) ] TJ 1.00400 0 0 1 50.11210 104.91000 Tm [ (tic) -248.99100 (concepts) -248.98800 (\050) ] TJ /R37 9.96260 Tf 53.09660 0 Td [ (i\056e) 15.00730 (\056) ] TJ /R31 9.96260 Tf 12.02490 0 Td [ (\054) -249.01900 (tags\051) -249.01700 (of) -247.98500 (the) -249.00600 (input) -248.98200 (image\057video) -248.98700 (can) -248.98200 (further) ] TJ 1.00900 0 0 1 50.11210 92.95510 Tm [ (impro) 15 (v) 14.99550 (e) -249.01900 (visual) -248 (captioning\056) -308.98900 (As) -249.00100 (sho) 24.99630 (wn) -248.01300 (in) -249.01600 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96260 Tf 1 0 0 1 216.21500 92.95510 Tm (49) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96260 Tf 1.00900 0 0 1 226.17800 92.95510 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96260 Tf 1 0 0 1 231.18800 92.95510 Tm (54) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96260 Tf 1.00900 0 0 1 241.15100 92.95510 Tm [ (\135\054) -249.01800 (detecting) ] 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-0.27442 (i) 0.22296 (di) 0.17151 (ng ) -27.81020 (ski) 0.17151 (s ) 27.79310 (dow) -0.22296 (n ) -27.82740 (a) -0.41162 ( ) 27.79310 (snow) -0.22296 ( ) -27.77590 (c) -0.41162 (ove) -0.37732 (r) -0.27442 (e) -0.41162 (d ) 27.81020 (sl) 0.22296 (ope) ] TJ /R43 5.06128 Tf 223.80100 66.58630 Td (a) Tj -0.14172 Tc -3.10391 -29.23980 Td [ (ma) -22.01530 (n) ] TJ 0 Tc -1.95703 -29.42190 Td [ (\074) 1.51464 (e) 6.47340 (os) 14.02730 (\076) ] TJ -59.38240 29.83630 Td (a) Tj -5.20820 28.83200 Td [ (\074) 1.51464 (s) 13.98870 (os) 14.02730 (\076) ] TJ 1.16641 -58.67890 Td [ (s) 13.98870 (l) 28.01600 (ope) ] TJ ET Q [ 12.65320 9.48990 ] 0 d 4727.83000 4898.80000 m 4727.83000 4816.73000 l S 5373.14000 4886.14000 m 5373.14000 4804.07000 l S 0.35693 0.60742 0.83594 scn 4860.69000 5256.25000 m 4860.69000 5316.35000 l 4920.79000 5256.25000 l f [ ] 0 d 4860.69000 5256.25000 m 4860.69000 5316.35000 l 4920.79000 5256.25000 l h S 4860.69000 4968.39000 m 4860.69000 5028.49000 l 4920.79000 4968.39000 l f 4860.69000 4968.39000 m 4860.69000 5028.49000 l 4920.79000 4968.39000 l h S 4860.69000 4671.04000 m 4860.69000 4727.98000 l 4920.79000 4671.04000 l f 4860.69000 4671.04000 m 4860.69000 4727.98000 l 4920.79000 4671.04000 l h S 0 0 0 scn 5131.15000 5205.64000 m 5131.42000 5156.54000 l 5139.33000 5156.59000 l 5129.95000 5137.55000 l 5120.35000 5156.48000 l 5128.26000 5156.52000 l 5127.99000 5205.63000 l f 5134.32000 4917.81000 m 5135.56000 4860.82000 l 5143.46000 4860.99000 l 5134.39000 4841.81000 l 5124.49000 4860.58000 l 5132.39000 4860.75000 l 5131.15000 4917.74000 l f 5053.75000 5128.62000 m 5053.77000 5136.53000 l 4601.30000 5137.63000 l 4601.30000 5140.79000 l 5053.78000 5139.70000 l 5053.80000 5147.60000 l 5072.75000 5138.07000 l f 4581 5098.08000 m 4599.98000 5088.59000 l 4581 5079.11000 l 4581 5087.01000 l 4522.22000 5087.01000 l 4522.22000 5090.18000 l 4581 5090.18000 l f Q q 10 0 0 10 0 0 cm BT /R31 8.96640 Tf 1 0 0 1 361.45800 446.01600 Tm [ (\050a\051) -249.98100 (Ov) 15.01920 (ervie) 25.00660 (w) -249.98900 (of) -249.99500 (the) -249.98900 (proposed) -250.01100 (model\056) ] TJ ET Q q 3174.93000 3357.79000 768.91000 1026.16000 re W n /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R46 7.14600 Tf 1 0 0 1 391.38200 340.06700 Tm (\041) Tj ET Q Q q 3946.69000 3357.79000 1420.63000 1026.16000 re W n /R42 cs 0.43921 0.67773 0.27832 scn q 10 0 0 10 0 0 cm BT 0.06973 Tc /R48 5.85972 Tf 1 0 0 1 397.81400 429.53500 Tm [ (De) 5.00387 (t) 5.98715 (e) 4.99137 (c) 4.99137 (t) 5.98298 (e) 4.99137 (d) 3 ( ) ] TJ 0.03809 Tc 23.63950 0 Td [ (se) -1.01661 (m) -6.98292 (a) -2 (n) -3 (t) 0.98328 (i) 1.98322 (c) ] TJ 0 Tc 22.49140 0 Td ( ) Tj 0.04160 Tc 1.48867 0 Td [ (co) -1.00827 (n) -2 (cep) -2.01655 (t) 1.98322 (s) 0.99161 (\072) ] TJ 0 Tc 23.81410 0 Td ( ) Tj ET Q 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.02402 Tc /R50 5.85972 Tf 1 0 0 1 397.81400 422.67500 Tm ( ) Tj 0.04746 Tc 5.95469 0 Td [ (pe) 0.99161 (r) 2.98316 (s) 1.99155 (on ) 3.97477 (\050) 2.98316 (0\056) 3.97477 (998\051) 2.97482 (\054) 3.98310 ( ) 3.98310 (ba) 0.99161 (by ) 3.97477 (\050) 2.98316 (0\056) 3.97477 (983\051) 2.97482 (\054) 3.98310 ( ) 3.98310 (hol) 3.97477 (di) 3.98310 (ng ) 3.97477 (\050) 2.98316 (0) ] TJ 0.02402 Tc 95.75980 0 Td [ (\0569) -4.02476 (5) -4 (2) -4 (\051) -1.01661 (\054 s) -1.98322 (m) -7.98286 (a) -3.00816 (ll ) ] TJ 0.03164 Tc -101.71400 -6.71719 Td [ (\0500) -3.01649 (\056) 1.01661 (6) -2.97066 (9) -2.96649 (7) -2.96649 (\051\054) 0.96661 ( ) ] TJ 0.03809 Tc 20.34220 0 Td [ (si) 1.97488 (t) 1.98322 (t) 1.98322 (i) 1.98322 (n) -2 (g) -2 ( ) 1.98322 (\050) 0.98328 (0) -2 (\056) 1.98322 (6) -2 (3) -2 (8) -2 (\051) 0.98328 (\054) 1.98322 ( ) 1.98322 (t) 1.98322 (o) -2 (o) -2 (t) 1.98322 (h) -2 (b) -2 (r) 0.98328 (u) -2 (sh) -2.01655 ( ) 1.98322 (\050) 0.98328 (0) -2 (\056) 1.98322 (5) -2 (3) -2 (8) -2 (\051) 0.98328 (\054) 1.98322 ( ) 1.98322 (c) -1.00827 (h) -2 (i) 1.98322 (l) 1.98322 (d) -2 ( ) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.03164 Tc /R50 5.85972 Tf 1 0 0 1 397.81400 409.09700 Tm [ (\0500) -3.01649 (\056) 1.01661 (5) -2.97066 (0) -2.96649 (2) -2.96649 (\051\054) 0.96661 ( ) 1.01661 (m) -7.01625 (o) -2.96649 (u) -2.96649 (t) 1.01661 (h) -2.96649 ( ) 1.01661 (\0500) -3.01649 (\056) 1.01661 (4) -2.96649 (3) -2.96649 (8) -2.96649 (\051) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 452.22900 409.09700 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 397.81400 402.23700 Tm ( ) Tj ET Q /R42 cs 0.26660 0.44702 0.76953 scn q 10 0 0 10 0 0 cm BT 0.05391 Tc /R48 5.85972 Tf 1 0 0 1 397.81400 395.37700 Tm [ (Se) 1.99155 (m) -4.01643 (a) 1.03327 (nt) 3.98310 (i) 5.01637 (c) 2.02488 ( ) 5.01637 (c) 2.02488 (o) 1.03327 (m) -4.01643 (po) 1 (s) 3.02482 (i) 5.01637 (t) 4.01643 (i) 5.01637 (o) 1.03327 (n\072) 3.98310 ( ) ] TJ ET Q /R42 cs 0.26660 0.44702 0.76953 scn q 10 0 0 10 0 0 cm BT /R48 5.85972 Tf 1 0 0 1 457.02900 395.37700 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R50 5.85972 Tf 1 0 0 1 397.81400 388.51700 Tm [ (1\056) 3.97893 ( ) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.06973 Tc /R50 5.85972 Tf 1 0 0 1 403.76800 388.51700 Tm [ (On) 4.00810 (l) 7.98286 (y) 4 ( ) 7.98286 (u) 4 (s) 4.99137 (i) 7.98286 (n) 4 (g) 4 ( ) 7.98286 (\322) ] TJ ET Q /R42 cs 0.26660 0.44702 0.76953 scn q 10 0 0 10 0 0 cm BT 0.05391 Tc /R48 5.85972 Tf 1 0 0 1 434.20400 388.51700 Tm [ (ba) 1 (by) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04160 Tc /R50 5.85972 Tf 1 0 0 1 446.78200 388.51700 Tm [ (\323\072) 2.97482 ( ) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 452.56900 388.51700 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R52 5.85972 Tf 1 0 0 1 454.05700 388.51700 Tm [ (a ) 3.97477 (baby) 0.98328 ( ) 3.98310 (i) 3.98310 (n ) 3.97477 (a) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 480.68600 388.51700 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 482.17500 388.51700 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R50 5.85972 Tf 1 0 0 1 397.81400 381.65700 Tm [ (2\056) 3.97893 ( ) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.06973 Tc /R50 5.85972 Tf 1 0 0 1 403.76800 381.65700 Tm [ (On) 4.00810 (l) 7.98286 (y) 4 ( ) 7.98286 (u) 4 (s) 4.99137 (i) 7.98286 (n) 4 (g) 4 ( ) 7.98286 (\322) ] TJ ET Q /R42 cs 0.26660 0.44702 0.76953 scn q 10 0 0 10 0 0 cm BT 0.05391 Tc /R48 5.85972 Tf 1 0 0 1 434.20400 381.65700 Tm [ (ho) 1 (l) 5.01637 (di) 4.98304 (ng) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04160 Tc /R50 5.85972 Tf 1 0 0 1 453.40300 381.65700 Tm [ (\323\072) 2.97482 ( ) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R52 5.85972 Tf 1 0 0 1 459.18900 381.65700 Tm [ (a ) 3.97477 (pe) 0.99161 (r) 1.99155 (s) 1.99155 (on ) 3.97477 (hol) 3.97477 (di) 3.98310 (ng ) 3.97477 (a ) 3.97477 (hand) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 517.41600 381.65700 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R50 5.85972 Tf 1 0 0 1 397.81400 374.79600 Tm [ (3\056) 3.97893 ( ) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.06973 Tc /R50 5.85972 Tf 1 0 0 1 403.76800 374.79600 Tm [ (On) 4.00810 (l) 7.98286 (y) 4 ( ) 7.98286 (u) 4 (s) 4.99137 (i) 7.98286 (n) 4 (g) 4 ( ) 7.98286 (\322) ] TJ ET Q /R42 cs 0.26660 0.44702 0.76953 scn q 10 0 0 10 0 0 cm BT 0.03164 Tc /R48 5.85972 Tf 1 0 0 1 434.20400 374.79600 Tm [ (to) -3.01649 (o) -2.96649 (th) -4.01643 (b) -3.96643 (r) -1.97488 (u) -3.96643 (s) -0.97494 (h) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04160 Tc /R50 5.85972 Tf 1 0 0 1 462.33300 374.79600 Tm [ (\323\072) 2.97482 ( ) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R52 5.85972 Tf 1 0 0 1 468.11900 374.79600 Tm [ (a ) 3.97477 (pai) 3.97477 (r) 1.99155 ( ) 3.98310 (of) 3.98310 ( ) 3.98310 (t) 3.98310 (oot) 3.97477 (hbr) 1.98322 (us) 1.98322 (h) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 515.93100 374.79600 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R50 5.85972 Tf 1 0 0 1 397.81400 367.93600 Tm [ (4\056) 3.97893 ( ) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.06973 Tc /R50 5.85972 Tf 1 0 0 1 403.76800 367.93600 Tm [ (On) 4.00810 (l) 7.98286 (y) 4 ( ) 7.98286 (u) 4 (s) 4.99137 (i) 7.98286 (n) 4 (g) 4 ( ) 7.98286 (\322) ] TJ ET Q /R42 cs 0.26660 0.44702 0.76953 scn q 10 0 0 10 0 0 cm BT 0.07969 Tc /R48 5.85972 Tf 1 0 0 1 434.20400 367.93600 Tm [ (mo) 6.01631 (u) 4.03310 (t) 8.01620 (h) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04160 Tc /R50 5.85972 Tf 1 0 0 1 450.74800 367.93600 Tm [ (\323\072) 2.97482 ( ) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R52 5.85972 Tf 1 0 0 1 456.53500 367.93600 Tm [ (a ) 3.97477 (m) -3.99143 (an ) 3.97477 (w) -2.99149 (i) 3.98310 (t) 3.98310 (h ) 3.97477 (a ) 3.97477 (t) 3.98310 (oot) 3.97477 (hbr) 1.98322 (us) 1.98322 (h) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 514.76800 367.93600 Tm ( ) Tj ET Q Q q 3946.70000 3357.79000 1420.62000 1026.16000 re W n /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R50 5.85972 Tf 1 0 0 1 397.81400 361.07600 Tm [ (5\056) 3.97893 ( ) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.06973 Tc /R50 5.85972 Tf 1 0 0 1 403.76900 361.07600 Tm [ (Us) 5 (i) 7.98286 (n) 4 (g) 4 ( ) 7.98286 (\322) ] TJ ET Q /R42 cs 0.26660 0.44702 0.76953 scn q 10 0 0 10 0 0 cm BT 0.05391 Tc /R48 5.85972 Tf 1 0 0 1 422.12800 361.07600 Tm [ (ba) 1 (by) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04160 Tc /R50 5.85972 Tf 1 0 0 1 434.70700 361.07600 Tm [ (\323 ) 2.97482 (an) -1.00827 (d) -1 ( ) 2.98316 (\322) ] TJ ET Q /R42 cs 0.26660 0.44702 0.76953 scn q 10 0 0 10 0 0 cm BT 0.07969 Tc /R48 5.85972 Tf 1 0 0 1 451.56800 361.07600 Tm [ (mo) 6.01631 (u) 4.03310 (t) 8.01620 (h) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04160 Tc /R50 5.85972 Tf 1 0 0 1 468.11300 361.07600 Tm (\323\072) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 472.41100 361.07600 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R52 5.85972 Tf 1 0 0 1 473.90000 361.07600 Tm [ (a ) 3.97477 (baby) 0.98328 ( ) 3.98310 (br) 1.98322 (us) 1.98322 (hi) 3.98310 (ng ) 3.97477 (i) 3.98310 (t) 3.98310 (s) 1.99155 ( ) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.02520 Tc /R52 5.85972 Tf 1 0 0 1 521.21100 361.07600 Tm [ (te) -3.02482 (e) -3.00816 (th) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R52 5.85972 Tf 1 0 0 1 532.78400 361.07600 Tm ( ) Tj ET Q Q q 3946.69000 3357.79000 1420.63000 1026.16000 re W n /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R52 5.85972 Tf 1 0 0 1 397.81400 354.21600 Tm ( ) Tj ET Q Q q 3946.70000 3357.79000 1420.62000 1026.16000 re W n /R42 cs 0.43921 0.18823 0.62695 scn q 10 0 0 10 0 0 cm BT 0.07325 Tc /R48 5.85972 Tf 1 0 0 1 397.81400 347.35600 Tm [ (Ov) 4.00810 (e) 4.99137 (r) 4.99137 (a) 4 (l) 7.98286 (l) ] TJ ET Q /R42 cs 0.43921 0.18823 0.62695 scn q 10 0 0 10 0 0 cm BT /R48 5.85972 Tf 1 0 0 1 416.99600 347.35600 Tm ( ) Tj ET Q /R42 cs 0.43921 0.18823 0.62695 scn q 10 0 0 10 0 0 cm BT 0.04160 Tc /R48 5.85972 Tf 1 0 0 1 418.48400 347.35600 Tm [ (ca) -1.00827 (p) -2 (t) 1.98322 (i) 2.98316 (o) -1 (n) -2 ( ) ] TJ ET Q /R42 cs 0.43921 0.18823 0.62695 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R48 5.85972 Tf 1 0 0 1 438.83300 347.35600 Tm [ (ge) 0.99161 (n) -1 (e) 0.99161 (r) 0.99161 (at) 2.98316 (e) 0.99161 (d) -1 ( ) ] TJ ET Q /R42 cs 0.43921 0.18823 0.62695 scn q 10 0 0 10 0 0 cm BT 0.05391 Tc /R48 5.85972 Tf 1 0 0 1 465.45600 347.35600 Tm [ (by) 1 ( ) ] TJ ET Q /R42 cs 0.43921 0.18823 0.62695 scn q 10 0 0 10 0 0 cm BT 0.03164 Tc /R48 5.85972 Tf 1 0 0 1 473.23400 347.35600 Tm [ (th) -4.01643 (e) -1.97488 ( ) 1.01661 (S) -3.96643 (C) -6.02465 (N) ] TJ ET Q /R42 cs 0.43921 0.18823 0.62695 scn q 10 0 0 10 0 0 cm BT /R48 5.85972 Tf 1 0 0 1 494.57300 347.35600 Tm (\072) Tj ET Q /R42 cs 0.43921 0.18823 0.62695 scn q 10 0 0 10 0 0 cm BT /R48 5.85972 Tf 1 0 0 1 496.55700 347.35600 Tm ( ) Tj ET Q Q q 3946.69000 3357.79000 1420.63000 1026.16000 re W n /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.02402 Tc /R52 5.85972 Tf 1 0 0 1 397.81400 340.49600 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R52 5.85972 Tf 1 0 0 1 402.28000 340.49600 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R52 5.85972 Tf 1 0 0 1 403.76800 340.49600 Tm [ (a ) 3.97893 (baby) 0.98328 ( ) 3.98310 (hol) 3.97477 (di) 3.98310 (ng ) 3.97477 (a ) 3.97477 (t) 3.98310 (oot) 3.97477 (hbr) 1.98322 (us) 1.98322 (h ) 3.97477 (i) 3.98310 (n ) 3.97477 (i) 3.98310 (t) 3.98310 (s) 1.99155 ( ) 3.98310 (m) -3.99143 (out) 3.97477 (h) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 500.87200 340.49600 Tm ( ) Tj ET Q Q q 3148.02000 2982.36000 2257.14000 1434.95000 re W n /R42 cs 0 0 0 scn 3172.07000 4383.96000 2.85938 2.85938 re f 3172.07000 4383.96000 2.85938 2.85938 re f 3174.93000 4383.96000 768.91000 2.85938 re f 3943.84000 4383.96000 2.85547 2.85938 re f 3946.69000 4383.96000 1422.05000 2.85938 re f 5368.75000 4383.96000 2.85938 2.85938 re f 5368.75000 4383.96000 2.85938 2.85938 re f 3172.07000 3357.79000 2.85938 1026.16000 re f 3943.84000 3357.79000 2.85547 1026.16000 re f 5368.75000 3357.79000 2.85938 1026.16000 re f Q q 3174.93000 3023.36000 2192.39000 331.57400 re W n /R42 cs 0.92969 0.49023 0.19214 scn q 10 0 0 10 0 0 cm BT 0.03809 Tc /R48 5.85972 Tf 1 0 0 1 320.63700 327.20400 Tm [ (In) -3.00816 (f) 0.98744 (l) 1.98322 (u) -3 (e) -1.00827 (n) -3 (c) -1.00827 (e) -1.00827 ( ) 1.98322 (t) 0.98744 (h) -3 (e) -1.00827 ( ) 1.98322 (c) -1.00827 (a) -2.00405 (p) -3 (t) 0.98744 (i) 1.98322 (o) -2.00405 (n) -3 ( ) 1.98322 (b) -3 (y) -2.00405 ( ) 1.98322 (c) -1.00827 (h) -3 (a) -2.00405 (n) -3 (g) -2.00405 (i) 1.98322 (n) -3 (g) -2.00405 ( ) 1.98322 (t) 0.98328 (h) -3 (e) -1.00827 ( ) 1.98322 (t) 0.98328 (a) -2 (g) ] TJ ET Q /R42 cs 0.92969 0.49023 0.19214 scn q 10 0 0 10 0 0 cm BT /R48 5.85972 Tf 1 0 0 1 425.51800 327.20400 Tm (\072) Tj ET Q /R42 cs 0.92969 0.49023 0.19214 scn q 10 0 0 10 0 0 cm BT /R48 5.85972 Tf 1 0 0 1 427.50100 327.20400 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 320.63700 320.34400 Tm (6) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.02402 Tc /R50 5.85972 Tf 1 0 0 1 323.61400 320.34400 Tm [ (\056 R) -7.02875 (e) -3.00816 (p) -4.00393 (la) -3.02482 (c) -3.00816 (e) -3.00816 ( \322) ] TJ ET Q /R42 cs 0.26660 0.44702 0.76953 scn q 10 0 0 10 0 0 cm BT 0.05391 Tc /R48 5.85972 Tf 1 0 0 1 349.90000 320.34400 Tm [ (ba) 0.99577 (by) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04160 Tc /R50 5.85972 Tf 1 0 0 1 362.47900 320.34400 Tm [ (\323 ) 2.97482 (w) -4.99137 (i) 2.98316 (t) 2.98316 (h) -1.00411 ( ) 2.98316 (\322) ] TJ ET Q /R42 cs 0.92969 0.49023 0.19214 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R48 5.85972 Tf 1 0 0 1 381.32900 320.34400 Tm [ (gi) 3.97893 (r) 0.99161 (l) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04160 Tc /R50 5.85972 Tf 1 0 0 1 390.25900 320.34400 Tm (\323\072) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 394.55700 320.34400 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R52 5.85972 Tf 1 0 0 1 396.04500 320.34400 Tm [ (a ) 3.97893 (l) 3.98310 (i) 3.98310 (t) 3.98310 (t) 3.98310 (l) 3.98310 (e) 0.99161 ( ) 3.98310 (gi) 3.98310 (r) 1.99155 (l) 3.98310 ( ) 3.98310 (hol) 3.97477 (di) 3.98310 (ng ) 3.97477 (a ) 3.97477 (t) 3.98310 (oot) 3.97477 (hbr) 1.98322 (us) 1.98322 (h ) 3.97477 (i) 3.98310 (n ) 3.97477 (he) 0.99161 (r) 1.99155 ( ) 3.98310 (m) -3.99143 (out) 3.97477 (h) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 504.89300 320.34400 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 320.63700 313.48400 Tm (7) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.02402 Tc /R50 5.85972 Tf 1 0 0 1 323.61400 313.48400 Tm [ (\056 R) -7.02875 (e) -3.00816 (p) -4.00393 (la) -3.02482 (c) -3.00816 (e) -3.00816 ( \322) ] TJ ET Q /R42 cs 0.26660 0.44702 0.76953 scn q 10 0 0 10 0 0 cm BT 0.03164 Tc /R48 5.85972 Tf 1 0 0 1 349.90000 313.48400 Tm [ (to) -3.01649 (o) -2.97066 (th) -4.01226 (b) -3.96643 (r) -1.97488 (u) -3.96643 (s) -0.97494 (h) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04160 Tc /R50 5.85972 Tf 1 0 0 1 378.02900 313.48400 Tm [ (\323 ) 2.97482 (w) -4.99137 (i) 2.98316 (t) 2.98316 (h) -1.00411 ( ) 2.98316 (\322) ] TJ ET Q /R42 cs 0.92969 0.49023 0.19214 scn q 10 0 0 10 0 0 cm BT 0.05391 Tc /R48 5.85972 Tf 1 0 0 1 396.88000 313.48400 Tm [ (ba) 0.99577 (s) 3.02482 (e) 2.02488 (ba) 1 (l) 5.01637 (l) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04160 Tc /R50 5.85972 Tf 1 0 0 1 417.72800 313.48400 Tm (\323\072) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 422.02600 313.48400 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04746 Tc /R52 5.85972 Tf 1 0 0 1 423.51400 313.48400 Tm [ (a ) 3.97477 (baby) 0.98328 ( ) 3.98310 (hol) 3.97477 (di) 3.98310 (ng ) 3.97477 (a ) 3.97477 (bas) 1.98322 (e) 0.99161 (bal) 3.97477 (l) 3.98310 ( ) 3.98310 (bat) 3.97477 ( ) 3.98310 (i) 3.98310 (n ) 3.97477 (hi) 3.98310 (s) 1.99155 ( ) 3.98310 (hand) ] TJ ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 522.43200 313.48400 Tm ( ) Tj ET Q /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R50 5.85972 Tf 1 0 0 1 320.63700 306.62300 Tm (8) Tj 0.02402 Tc 2.97734 0 Td [ (\056 R) -7.02875 (e) -3.00816 (p) -4.00393 (la) -3.02482 (c) -3.00816 (e) -3.00816 ( \322) ] TJ ET Q 0.26660 0.44702 0.76953 scn q 10 0 0 10 0 0 cm BT 0.03164 Tc /R48 5.85972 Tf 1 0 0 1 349.90000 306.62300 Tm [ (to) -3.01649 (o) -2.97066 (th) -4.01226 (b) -3.96643 (r) -1.97488 (u) -3.96643 (s) -0.97494 (h) ] TJ ET Q 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04160 Tc /R50 5.85972 Tf 1 0 0 1 378.02900 306.62300 Tm [ (\323 ) 2.97482 (w) -4.99137 (i) 2.98316 (t) 2.98316 (h) -1.00411 ( ) 2.98316 (\322) ] TJ ET Q 0.92969 0.49023 0.19214 scn q 10 0 0 10 0 0 cm BT 0.05391 Tc /R48 5.85972 Tf 1 0 0 1 396.88000 306.62300 Tm [ (pi) 4.98304 (z) 2.02488 (z) 2.02488 (a) ] TJ ET Q 0 0 0 scn q 10 0 0 10 0 0 cm BT 0.04160 Tc /R50 5.85972 Tf 1 0 0 1 410.11000 306.62300 Tm (\323\072) Tj 0 Tc 4.29766 0 Td ( ) Tj 0.04746 Tc /R52 5.85972 Tf 1.48867 0 Td [ (a ) 3.97477 (baby) 0.98328 ( ) 3.98310 (hol) 3.97477 (di) 3.98310 (ng ) 3.97477 (a ) 3.97477 (pi) 3.98310 (e) 0.99161 (c) 0.99161 (e) 0.99161 ( ) 3.98310 (of) 3.98310 ( ) 3.98310 (pi) 3.98310 (z) 1.99155 (z) 1.99155 (a ) 3.97477 (i) 3.98310 (n ) 3.97477 (hi) 3.98310 (s) 1.99155 ( ) 3.98310 (m) -3.99143 (out) 3.97477 (h) ] TJ 0 Tc /R50 5.85972 Tf 105.03200 0 Td ( ) Tj ET Q Q q 3148.02000 2982.36000 2257.14000 1434.95000 re W n /R42 cs 0 0 0 scn 3172.07000 3354.93000 2.85938 2.85938 re f 3174.93000 3354.93000 768.91000 2.85938 re f 3943.84000 3354.93000 2.85547 2.85938 re f 3946.69000 3354.93000 1422.05000 2.85938 re f 5368.75000 3354.93000 2.85938 2.85938 re f 3172.07000 3023.36000 2.85938 331.57400 re f 3172.07000 3020.50000 2.85938 2.85938 re f 3172.07000 3020.50000 2.85938 2.85938 re f 3174.93000 3020.50000 2193.82000 2.85938 re f 5368.75000 3023.36000 2.85938 331.57400 re f 5368.75000 3020.50000 2.85938 2.85938 re f 5368.75000 3020.50000 2.85938 2.85938 re f /R42 cs 0 0 0 scn q 10 0 0 10 0 0 cm BT /R46 7.14600 Tf 1 0 0 1 317.20700 295.19000 Tm (\041) Tj ET Q Q q 3206.37000 3399.24000 707.45300 943.27300 re W n q 707.45400 0 0 943.27200 3206.37000 3399.24000 cm /R54 Do Q Q q 10 0 0 10 0 0 cm BT /R31 8.96640 Tf 1 0 0 1 343.84000 284.58700 Tm [ (\050b\051) -250.00600 (Examples) -250 (of) -249.99200 (SCN\055based) -250.00600 (image) -250 (captioning\056) ] TJ /R31 9.96260 Tf 0.98000 0 0 1 308.86200 262.96800 Tm [ (Figure) -242.98700 (1\072) ] TJ /R31 8.96640 Tf 39.27220 0 Td [ (Model) -242.98000 (architecture) -242.01000 (and) -243.00500 (illustration) -242.99400 (of) -243.02200 (semantic) -243.01600 (composi\055) ] TJ -39.27220 -10.95780 Td [ (tion\056) -303.01000 (Each) -215.01300 (triangle) -214.98500 (symbol) -215.00400 (represents) -215.01000 (an) -215.01500 (ensemble) -215.01500 (of) -215.01500 (tag\055dependent) ] TJ 1.02000 0 0 1 308.53900 241.05100 Tm [ (weight) -291.01800 (matrices\056) -439.97900 (The) -291.02100 (number) -290.99700 (ne) 14.98630 (xt) -291.01800 (to) -291.01800 (a) -289.99300 (semantic) -291.01300 (concept) -291.00700 (\050) ] TJ /R37 8.96640 Tf 212.17800 0 Td [ (i\056e) 15.01300 (\056) ] TJ /R31 8.96640 Tf 10.82530 0 Td [ (\054) -302 (a) ] TJ -222.68600 -10.95900 Td [ (tag\051) -246.98600 (is) -247.02000 (the) -247.01000 (probability) -247.00200 (that) -247.01500 (the) -247.99200 (corresponding) -246.99400 (semantic) -246.97800 (concept) -247.01500 (is) ] TJ 1 0 0 1 308.86200 219.13300 Tm [ (presented) -249.99200 (in) -250.01400 (the) -249.98900 (input) -250.00600 (image\056) ] TJ /R31 9.96260 Tf 1.02000 0 0 1 308.86200 188.59700 Tm [ (this) -270.01500 (high\055le) 24.01080 (v) 14.99890 (el) -269.99100 (semantic) -271.00400 (information) -270.01500 (into) -269.99100 (the) -270.98500 (CNN\055LSTM) ] TJ 0.99000 0 0 1 308.86200 176.64100 Tm [ (frame) 24.99830 (w) 10.01760 (ork\054) -250.00800 (has) -250.02000 (impro) 14.98560 (v) 14.99550 (ed) -250.01800 (performance) -250.01800 <7369676e690263616e746c79> 65.00700 (\056) -312 (Specif\055) ] TJ 1.01800 0 0 1 308.86200 164.68600 Tm [ (ically) 63.99410 (\054) -245.00700 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96260 Tf 1 0 0 1 339.15000 164.68600 Tm (49) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96260 Tf 1.01800 0 0 1 349.11200 164.68600 Tm [ (\135) -245.00700 (feeds) -246.01500 (the) -244.99200 (semantic) -245.01400 (concepts) -245.00900 (as) -245.98200 (an) ] TJ /R37 9.96260 Tf 141.59600 0 Td (initialization) Tj /R31 9.96260 Tf 1.02000 0 0 1 308.86200 152.73100 Tm [ (step) -266.00200 (into) -266.99500 (the) -265.98800 (LSTM) -265.99800 (decoder) 53.98460 (\056) -368.00400 (In) -267.00700 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96260 Tf 1 0 0 1 443.83800 152.73100 Tm (54) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96260 Tf 1.02000 0 0 1 453.80000 152.73100 Tm [ (\135\054) -271.98900 (a) -265.99300 (model) -266.01200 (of) -267.00700 (semantic) ] TJ 1.01300 0 0 1 308.86200 140.77600 Tm [ (attention) -247.00900 (is) -247.00200 (proposed) -247.01900 (which) -246.99200 (selecti) 24.98470 (v) 15.01310 (ely) -247.00700 (attends) -246.98800 (to) -247.01200 (semantic) ] TJ 1.02000 0 0 1 308.86200 128.82100 Tm [ (concepts) -322.00800 (through) -321.99100 (a) -322 (soft) -321.99500 (attention) -322.00500 (mechanism) -322 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R31 9.96260 Tf 1 0 0 1 500.66200 128.82100 Tm (2) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R31 9.96260 Tf 1.02000 0 0 1 505.64300 128.82100 Tm [ (\135\056) -534.99800 (On) -321.99500 (the) ] TJ 0.99100 0 0 1 308.86200 116.86600 Tm [ (other) -253.98700 (hand\054) -254.01900 (although) -253 <7369676e690263616e74> -254.01900 (performance) -253.01500 (impro) 15.00510 (v) 15.01010 (ements) ] TJ 1.02000 0 0 1 308.50300 104.91000 Tm [ (were) -365.99500 (achie) 23.99640 (v) 14.99890 (ed\054) -396.00800 (inte) 14.01150 (gration) -366.00500 (of) -365.99000 (semantic) -365.99000 (concepts) -365.98600 (into) -366.01400 (the) ] TJ 0.35195 -11.95510 Td [ (LSTM\055based) -292.00500 (caption) -291.98600 (generation) -292.01200 (process) -291.99300 (is) -293.00700 (constrained) -291.98800 (in) ] TJ 0.99700 0 0 1 308.86200 81 Tm [ (these) -250.98600 (methods\073) ] TJ /R37 9.96260 Tf 62.01500 0 Td [ (e) 14.98120 (\056g) 15.01560 (\056) ] TJ /R31 9.96260 Tf 14.08640 0 Td [ (\054) -250.98800 (only) -251.98900 (through) -250.99600 (soft) -251 (attention) -252.00300 (or) -251.01500 (initializa\055) ] TJ 1 0 0 1 295.12100 51.11210 Tm (1) Tj ET Q Q Q q q 1 1 1 rg /a0 gs 48.40600 786.42200 515.18800 -52.69900 re f q /s5 gs /x6 Do Q q /s7 gs /x8 Do Q q /s9 gs /x10 Do Q q /s11 gs /x12 Do Q Q Q Q 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