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0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 280.556 81 Tm (\135\056) Tj ET Q q 3088.62 4243.06 2362.48 1539.24 re W* n 1 g 2948.57 3802.78 2666 2301.71 re f* q 2121.19 0 0 657.352 3341.87 5141.35 cm /R18 Do Q q 2121.19 0 0 657.352 3341.87 4484 cm /R19 Do Q 3835.74 4530.45 1491.28 663.16 re f* 0 g q 10 0 0 10 0 0 cm BT /R22 6.96702 Tf 0.99945 0 0 1 405.984 510.933 Tm [ <0003> 0.21738 <0005> -1.3113 <0008> -2.69975 <0006> -2.11071 <0007> -0.42074 <0004> 1.00276 ] TJ /R25 6.96702 Tf 11.0957 TL T* [ <0003> 0.91861 <0005> 20.8967 <0004> 6.40225 <0006> -2.32108 <0007> 1.17106 <0008> -2.21589 <000c> 0.30153 <0010> -4.39673 <000e> 0.99575 <000f> 4.91564 <0004> -2.91012 <0005> 2.38419 <0009> -28.0844 <000a> 0.71526 <000d> 0.22439 <0012> -4.39673 <0005> -6.87208 <0011> 0.02104 <000b> 0.99575 ] TJ 11.0313 TL T* [ <0013> -4.50191 <0014> 2.88908 <0009> -9.62792 <0015> 0.71526 <0017> 2.68572 <0018> 2.68572 <0016> 0.99575 ] TJ 11.0949 TL T* [ <0003> 0.91861 <0005> 20.8967 <0004> 6.40225 <0006> -2.32108 <0007> 1.17106 <0008> -2.21589 <001a> -1.77412 <0019> 2.32108 <000c> 0.30153 <0009> -28.0844 <0015> 0.71526 <001c> 2.68572 <001b> 2.68572 <0016> 0.99575 ] TJ 11.0961 TL T* [ <0014> 2.88908 <001d> 2.20187 <001f> 1.78113 <001e> -2.48938 <0008> -2.21589 <0020> -4.81046 <0022> -2.60157 <0005> 20.8967 <0023> 1.09392 <0009> -18.8281 <0021> 91.5038 <0005> 2.38419 <001e> -2.48938 <0025> 0.09116 <0024> -2.48938 <001d> 2.20187 <0026> 2.58054 <0009> -18.8281 <0015> 0.71526 <001c> 2.68572 <0027> 2.68572 <0016> 0.99575 ] TJ 11.0309 TL T* [ <001a> -1.88632 <0008> -2.1037 <0003> 37.8876 <0022> -2.60157 <001e> -2.48938 <0005> 2.38419 <0009> -18.8281 <0015> 0.71526 <001c> 2.68572 <0028> 2.68572 <0016> 0.99575 ] TJ /R22 6.96702 Tf 70.8116 55.3488 Td [ <000c> -4.59307 <000e> -0.31555 <000f> 0.49788 <0005> -1.3113 <0009> -7.6224 <000b> 36.6043 <0005> -1.3113 <0011> -1.90034 <0009> -7.6224 <000a> -2.11071 <0010> -0.67318 <0007> -0.42074 <000d> -1.52167 <0006> 0.99575 ] TJ /R25 6.96702 Tf 16.5787 -11.0957 Td [ <001c> 2.68572 <0028> 2.68572 <0029> 0.28049 <001b> 2.68572 <002a> 2.68572 <0011> 1.00276 ] TJ T* [ <001c> 2.68572 <002b> 2.68572 <0029> 0.28049 <0018> 2.68572 <0017> 2.68572 <0011> 1.00276 ] TJ 11.0949 TL T* [ <001c> 2.68572 <0028> 2.68572 <0029> 0.28049 <0018> 2.68572 <001b> 2.68572 <0011> 1.00276 ] TJ 11.0961 TL T* [ <001c> 2.68572 <002c> 2.68572 <0029> 0.28049 <002c> 2.68572 <0028> 2.68572 <0011> 1.00276 ] TJ 11.0309 TL T* [ <001c> 2.68572 <002b> 2.68572 <0029> 0.28049 <0018> 2.68572 <001b> 2.68572 <0011> 1.00276 ] TJ ET Q q 220.5 0 0 530.27 3824.13 4535.61 cm /R28 Do Q q 901.346 0 0 105.794 3902.79 4260.79 cm /R29 Do Q 1 g 3878.29 4231.77 985.801 156.109 re f* 0 g q 10 0 0 10 0 0 cm BT /R25 9.67642 Tf 0.99945 0 0 1 391.713 427.741 Tm [ <0021> 92.9927 <0005> 2.0022 <0022> -0.31523 <001e> -0.70179 <0010> 2.70115 <001e> -0.70179 <0010> 2.70115 <002d> 0.00537 <0009> -10.6881 <0021> -0.30798 <001e> -0.70179 <001f> -3.01923 <001d> 0.31303 <0009> -3.98324 <000a> 0.69202 <0013> -3.00913 <001e> -0.70179 <0010> 2.70115 <000b> 1 ] TJ /R25 10.7671 Tf 0 1.00055 -1 0 319.314 498.535 Tm [ <002f> 0.29461 <002e> 1.08778 <001b> ] TJ /R25 8.57975 Tf 0.99945 0 0 1 322.793 445.542 Tm [ <002a> -0.50394 <0029> 0.38502 <0017> ] TJ 0 41.7145 Td [ <002a> -0.50394 <0029> 0.38502 <0027> ] TJ 20.773 TL T* [ <002a> -0.50394 <0029> 0.38502 <0018> ] TJ 0 41.8832 Td [ <002a> -0.50394 <0029> 0.38502 <0030> ] TJ 0 20.5219 Td [ <002a> -0.50394 <0029> 0.38502 <0028> ] TJ 0 20.8066 Td [ <002a> -0.50394 <0029> 0.38502 <002b> ] TJ 0 21.0391 Td [ <002a> -0.50394 <0029> 0.38502 <002c> ] TJ 50.629 -130.626 Td [ <001c> -0.50394 <002a> -3428.56 <0018> -0.50679 <002a> -3455.99 <0030> -0.50679 <002a> -3466.6 <002b> -0.50679 <002a> -3121.03 <001b> -0.50679 <002a> -0.50679 <002a> ] TJ ET Q Q q 10 0 0 10 0 0 cm BT /R10 8.9664 Tf 1 0 0 1 308.862 413.347 Tm [ (Figure) -229.987 (1\056) -533.001 (Accurac) 15.0192 (y) -228.98 (in) -230.017 (Recall\1001) -229.982 (v) 14.9865 (ersus) -230.004 (training) -228.985 (time) -230.02 (on) -229.982 (the) -228.991 (Cars\055) ] TJ 10.959 TL T* [ (196) -341.989 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R10 8.9664 Tf 1 0 0 1 328.364 402.388 Tm (17) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R10 8.9664 Tf 1 0 0 1 337.33 402.388 Tm [ (\135) -341 (dataset\056) -585.01 (Note) -341.006 (that) -341.989 (all) -340.987 (methods) -341.989 (were) -341.003 (trained) -341.978 (with) -340.981 (batch) ] TJ -28.4684 -10.959 Td [ (size) -243.991 (of) -244.982 (150) -244.01 (on) -245.012 (a) -243.985 (single) -245.009 (T) 35.0212 (itan) -244.01 (Xp) -244.021 (GPU\056) -244.99 (Our) -243.988 (loss) -244.996 (enables) -244.01 (to) -244 (achie) 25.0011 (v) 14.9865 (e) ] TJ 10.9578 TL T* [ (the) -425.994 (highest) -425.98 (accurac) 15.0083 (y) 65 (\054) -470.006 (and) -427.004 (con) 40.0148 (v) 14.9865 (er) 18.0034 (ge) -426.004 (f) 10.0037 (aster) -426.021 (than) -425.994 (the) -425.994 (baselines) -426.015 (in) ] TJ 10.959 TL T* [ (terms) -249.989 (of) -249.992 (both) -250.014 (the) -249.989 (number) -250.003 (of) -249.992 (epochs) -250.011 (and) -250 (the) -249.989 (actual) -250.017 (training) -249.984 (time\056) ] TJ /R10 9.9626 Tf 30.3922 TL T* [ (These) -374.009 (losses) -375.008 (pro) 14.9852 (vide) -374.004 (rich) -374.991 (supervisory) -373.982 (signals) -373.982 (for) -374.996 (training) ] TJ 11.9559 TL T* [ (embedding) -287.013 (netw) 10.0081 (orks) -288.018 (by) -287.001 (comparing) -286.982 (data) -287.986 (to) -287.001 (data) -287.006 (and) -287.986 (e) 15.0122 (xam\055) ] TJ 11.9551 TL T* [ (ining) -218.993 <026e652d677261696e6564> -219 (relations) -220.017 (between) -219.017 (them\054) ] TJ /R16 9.9626 Tf 169.527 0 Td (i\056e) Tj /R10 9.9626 Tf 9.68281 0 Td (\056\054) Tj /R16 9.9626 Tf 7.22695 0 Td (data\055to\055data) Tj -186.437 -11.9551 Td [ (r) 37.0183 (elations) ] TJ /R10 9.9626 Tf 35.0578 0 Td [ (\056) -340.019 (Ho) 24.9836 (we) 25.013 (v) 14.9828 (er) 39.986 (\054) -261.993 (since) -259.986 (the) 14.9877 (y) -259.991 (tak) 10.0081 (e) -260 (a) -258.981 (tuple) -260.015 (of) -259.996 (data) -259.991 (as) -259.996 (a) -260 (unit) ] TJ -35.0578 -11.9547 Td [ (input\054) -258.004 (the) -257.009 (losses) -256.009 (cause) -257.018 (prohibiti) 24.9811 (v) 14.9828 (ely) -257.006 (high) -256.011 (training) -256.987 (comple) 14.9975 (x\055) ] TJ (ity) ' ET Q 1 0 0 rg q 10 0 0 10 0 0 cm BT /R10 6.9738 Tf 1 0 0 1 319.382 282.959 Tm (1) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 323.367 279.344 Tm (\054) Tj /R30 9.9626 Tf 5.06992 0 Td [ (O) -0.79889 ] TJ /R32 9.9626 Tf 7.87578 0 Td [ (\050) -0.90181 ] TJ /R30 9.9626 Tf 3.87422 0 Td [ (M) -0.10047 ] TJ /R34 6.9738 Tf 10.7508 3.61484 Td [ (2) -0.50062 ] TJ /R32 9.9626 Tf 4.47031 -3.61484 Td [ (\051) -0.90181 ] TJ /R10 9.9626 Tf 6.43477 0 Td (or) Tj /R30 9.9626 Tf 10.8602 0 Td [ (O) -0.79889 ] TJ /R32 9.9626 Tf 7.87578 0 Td [ (\050) -0.90181 ] TJ /R30 9.9626 Tf 3.87422 0 Td [ (M) -0.10047 ] TJ /R34 6.9738 Tf 10.752 3.61484 Td [ (3) -0.50062 ] TJ /R32 9.9626 Tf 4.46875 -3.61484 Td [ (\051) -0.90181 ] TJ /R10 9.9626 Tf 6.43516 0 Td (where) Tj /R30 9.9626 Tf 26.9 0 Td [ (M) -0.09802 ] TJ /R10 9.9626 Tf 13.3121 0 Td [ (is) -257.001 (the) -257.006 (number) -256.996 (of) -257.016 (training) ] TJ -137.459 -11.9551 Td [ (data\054) -313.002 (thus) -300.006 (slo) 24.9934 (w) -299.987 (con) 39.9982 (v) 14.9828 (er) 17.9896 (gence\056) -460.982 (Furthermore\054) -313.012 (some) -300.009 (tuples) -300.984 (do) ] TJ 11.9559 TL T* [ (not) -262.998 (contrib) 20.0187 (ute) -261.988 (to) -263.003 (training) -262.005 (or) -263.015 (e) 25.0105 (v) 14.9828 (en) -261.995 (de) 15.0171 (grade) -263.015 (the) -263.005 (quality) -262 (of) -263.015 (the) ] TJ 11.9551 TL T* [ (learned) -267.995 (embedding) -269.016 (space\056) -364.998 (T) 79.9916 (o) -269.009 (resolv) 14.9926 (e) -268 (these) -269.004 (issues\054) -272.984 (learning) ] TJ T* [ (with) -230.998 (the) -231.013 (pair) 20.0016 (\055based) -231.015 (losses) -230.996 (often) -231.01 (entails) -230.996 (tuple) -231 (sampling) -231.015 (tech\055) ] TJ T* [ (niques) -256.011 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 340.743 219.568 Tm (10) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 350.705 219.568 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 355.746 219.568 Tm (25) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 365.709 219.568 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 370.75 219.568 Tm (37) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 380.712 219.568 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 385.753 219.568 Tm (40) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 395.716 219.568 Tm [ (\135\054) -257.996 (which) -255.982 (ho) 24.986 (we) 25.0154 (v) 14.9828 (er) -256.006 (ha) 19.9967 (v) 14.9828 (e) -256.001 (to) -255.987 (be) -255.996 (tuned) -256.016 (by) ] TJ -86.8535 -11.9547 Td [ (hand) -249.988 (and) -249.993 (may) -249.985 (increase) -250 (the) -249.988 (risk) -249.983 (of) -249.997 (o) 14.9828 (v) 14.9828 <6572027474696e672e> ] TJ 11.9551 -12.6543 Td [ (The) -241.014 (proxy\055based) -242.016 (los) 0.99738 (ses) -241.989 (resolv) 14.9926 (e) -240.984 (the) -241.009 (abo) 14.9828 (v) 14.9828 (e) -240.984 (comple) 14.9975 (xity) -242.014 (is\055) ] TJ -11.9551 -11.9559 Td [ (sue) -295.982 (by) -295 (introducing) ] TJ /R16 9.9626 Tf 78.0129 0 Td [ (pr) 44.9851 (oxies) ] TJ /R10 9.9626 Tf 31.825 0 Td (\133) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 422.018 183.003 Tm (1) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 426.999 183.003 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 432.438 183.003 Tm (21) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 442.401 183.003 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 447.83 183.003 Tm (23) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R10 9.9626 Tf 1 0 0 1 457.793 183.003 Tm [ (\135\056) -446.984 (A) -295.005 (proxy) -296.014 (is) -294.995 (a) -295.995 (repre\055) ] TJ -148.931 -11.9551 Td [ (sentati) 25 (v) 14.9828 (e) -327.009 (of) -325.982 (a) -327.009 (subset) -326 (of) -327.002 (training) -327.014 (data) -325.98 (and) -327 (learned) -325.985 (as) -327.004 (a) -327.009 (part) ] TJ 11.9551 TL T* [ (of) -281.99 (the) -281.985 (netw) 10.0081 (ork) -281.985 (parameters\056) -406 (Existing) -283.007 (l) 0.98513 (osses) -282.992 (in) -282.022 (this) -282.007 (cate) 15.0122 (gory) ] TJ T* [ (consider) -193.99 (each) -194.994 (dat) 0.98758 (a) -194.992 (point) -194.017 (as) -194.007 (an) -194.987 (anchor) 39.9982 (\054) -204.98 (associate) -193.992 (it) -193.992 (with) -195.002 (prox\055) ] TJ T* [ (ies) -257.986 (instead) -258.013 (of) -257.994 (other) -257.006 (images\054) -260.011 (and) -257.991 (encourage) -257.996 (the) -257.986 (anchor) -257.991 (to) -257.986 (be) ] TJ T* [ (close) -299 (to) -298.016 (proxies) -298.989 (of) -297.987 (the) -299.002 (same) -299 (class) -298.019 (and) -299.004 (f) 9.99343 (ar) -298 (apart) -299.009 (from) -299 (those) ] TJ 11.9559 TL T* [ (of) -277.01 (dif) 24.986 (ferent) -275.996 (classes\056) -389.999 (Proxy\055based) -276.983 (losses) -276.008 (reduce) -277.017 (the) -277.003 (training) ] TJ ET Q 3.98 w 0 G 3088.62 1001.43 m 4033.61 1001.43 l S q 10 0 0 10 0 0 cm BT /R10 5.9776 Tf 1 0 0 1 319.721 93.277 Tm (1) Tj /R10 7.9701 Tf 3.48711 -2.81211 Td [ (The) -219.013 (training) -217.996 (comple) 14.9852 (xity) -218.995 (indicates) -219.019 (the) -218.002 (amount) -219.013 (of) -217.996 (computation) -219.019 (required) ] TJ -14.3461 -9.46484 Td [ (to) -250.013 (address) -250.01 (the) -250.007 (entire) -250.022 (training) -250 (dataset) -249.988 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R10 7.9701 Tf 1 0 0 1 428.39 81 Tm (1) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R10 7.9701 Tf 1 0 0 1 432.375 81 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R10 7.9701 Tf 1 0 0 1 436.36 81 Tm (6) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R10 7.9701 Tf 1 0 0 1 440.345 81 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R10 7.9701 Tf 1 0 0 1 444.33 81 Tm (10) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R10 7.9701 Tf 1 0 0 1 452.301 81 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R10 7.9701 Tf 1 0 0 1 456.286 81 Tm (23) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R10 7.9701 Tf 1 0 0 1 464.256 81 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R10 7.9701 Tf 1 0 0 1 468.241 81 Tm (35) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R10 7.9701 Tf 1 0 0 1 476.212 81 Tm (\135\056) Tj ET Q Q Q q 1 0 0 -1 0 792 cm q 1 1 1 rg /a0 gs 48.406 3.066 515.188 33.723 re f 0.44706 0.57647 0.77255 rg /a1 gs 77.262 5.789 m 71.715 5.789 67.215 10.68 67.215 16.707 c 67.215 22.738 71.715 27.625 77.262 27.625 c 78.852 27.625 80.355 27.223 81.691 26.508 c 79.777 22.742 l 79.008 23.121 78.16 23.332 77.262 23.332 c 73.895 23.332 71.164 20.363 71.164 16.707 c 71.164 13.051 73.895 10.082 77.262 10.082 c 78.598 10.082 79.828 10.555 80.832 11.348 c 83.789 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