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/R14 9.6862 Tf 1 0 0 1 156.85 158.352 Tm (21) Tj ET Q /R11 cs 1 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 166.536 158.352 Tm (\054) Tj ET Q /R9 cs 0.41186 0.74023 0.27051 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 171.379 158.352 Tm (29) Tj ET Q /R11 cs 1 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 181.065 158.352 Tm (\054) Tj ET Q /R9 cs 0.41186 0.74023 0.27051 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 185.908 158.352 Tm (28) Tj ET Q /R11 cs 1 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 195.595 158.352 Tm (\135\056) Tj -135.248 -12.2316 Td [ (Although) -413.893 (e) 14.9907 (xcellent) -413.997 (results) -414.002 (ha) 20.0052 (v) 15.0159 (e) -414.018 (been) -415.01 (achie) 25.0034 (v) 15.0146 (ed\054) -455.011 (objec\055) ] TJ -11.6234 -11.6234 Td [ (t) -368.982 (detection) -368.009 (in) -369.009 (practical) -369.004 (application) -368.985 (still) -368 (f) 10.0139 (aces) -368.999 (a) -369.011 (bottleneck) ] TJ ET Q /R24 gs 3.87 w /R11 CS 1 SCN 487.219 1239.63 m 1406 1239.63 l S q 10 0 0 10 0 0 cm BT /R25 5.8118 Tf 1 0 0 1 58.4727 117.544 Tm <02> Tj /R14 7.749 Tf 4.19688 -2.73477 Td [ (Corresponding) -249.994 (author) ] TJ ET Q q 3010.44 5267.39 1140.04 570.008 re W n q 1140.72 0 0 -571.32 3010.14 5838.06 cm /R27 Do Q Q q 3010.44 4687.22 1140.04 570.012 re W n q 1140.72 0 0 -570.72 3010.14 5257.86 cm /R28 Do Q Q q 3010.44 4109.26 1140.04 570.02 re W n q 1140.72 0 0 -570.72 3010.14 4679.46 cm /R29 Do Q Q q 4156.57 4688.73 1136.99 568.5 re W n q 1137.72 0 0 -569.52 4156.14 5257.86 cm /R30 Do Q Q q 4156.57 4109.26 1136.99 568.5 re W n q 1137.72 0 0 -569.52 4156.14 4678.26 cm /R31 Do Q Q q 4156.57 5268.9 1136.99 568.5 re W n q 1137.72 0 0 -569.52 4156.14 5838.06 cm /R32 Do Q Q q 10 0 0 10 0 0 cm BT /R14 8.7176 Tf 1 0 0 1 300.294 389.375 Tm [ (Figure) -265.904 (1\056) -265.993 (Examples) -266.996 (of) -265.979 (unrestricted) -265.991 (object) -265.991 (detection\056) -358.98 (The) -265.985 (\223rst) -266.013 (ro) 25.0089 (w) ] TJ 10.6527 TL T* [ (denotes) -254.979 (the) -254.001 (pictures) -255.015 (from) -254.99 (the) -254.001 (Cityscapes) -255.108 (\133) ] TJ ET Q /R9 cs 0.41186 0.74023 0.27051 scn q 10 0 0 10 0 0 cm BT /R14 8.7176 Tf 1 0 0 1 446.775 378.723 Tm (4) Tj ET Q /R11 cs 1 scn q 10 0 0 10 0 0 cm BT /R14 8.7176 Tf 1 0 0 1 451.134 378.723 Tm [ (\135\054) -255.998 (while) -253.999 (pictures) -255.018 (of) -254.015 (the) ] TJ -150.841 -10.6547 Td [ (last) -326.998 (tw) 9.99516 (o) -326.992 (ro) 24.9809 (ws) -327.986 (are) -327.009 (detected) -326.995 (from) -326.998 (the) -326.992 (F) 14.9773 (oggy) -327.995 (Cityscapes) -326.981 (\133) ] TJ ET Q /R9 cs 0.41186 0.74023 0.27051 scn q 10 0 0 10 0 0 cm BT /R14 8.7176 Tf 1 0 0 1 497.912 368.068 Tm (32) Tj ET Q /R11 cs 1 scn q 10 0 0 10 0 0 cm BT /R14 8.7176 Tf 1 0 0 1 506.63 368.068 Tm [ (\135\056) -540.982 (The) ] TJ -206.336 -10.6547 Td [ (results) -281.004 (of) -280.99 (the) -281.021 (\223rst) -279.996 (tw) 9.99516 (o) -281.018 (ro) 24.9809 (ws) -280.982 (are) -280.99 (detected) -281.024 (by) -280.996 (the) -281.018 (traditional) -279.993 (F) 14.9773 (aster) 20.0127 (\055) ] TJ 10.6547 TL T* [ (RCNN) -293.016 (\133) ] TJ ET Q /R9 cs 0.41186 0.74023 0.27051 scn q 10 0 0 10 0 0 cm BT /R14 8.7176 Tf 1 0 0 1 329.968 346.759 Tm (29) Tj ET Q /R11 cs 1 scn q 10 0 0 10 0 0 cm BT /R14 8.7176 Tf 1 0 0 1 338.685 346.759 Tm [ (\135) -291.994 (trained) -292.985 (on) -292.016 (Cityscapes\054) -303.977 (and) -291.98 (we) -293.021 (can) -293 (see) -291.98 (that) -292.977 (man) 15.0109 (y) -291.996 (ob\055) ] TJ -38.3914 -10.6547 Td [ (jects) -220.003 (are) -220.005 (missing) -219.98 (on) -220.008 (the) -219.992 (domain) -220.003 (shifted) -220.011 (F) 14.9773 (oggy) -220.005 (Cityscapes) -220.022 (\050the) -218.98 (sec\055) ] TJ 10.6547 TL T* [ (ond) -217.88 (ro) 25.0089 (w\051\056) -300.006 (The) -217.995 (third) -217.998 (ro) 25.0089 (w) -217.998 (sho) 25.0201 (ws) -219.014 (the) -218.017 (results) -218 (of) -217.989 (our) -218.997 (approach\054) -223.988 (and) -218 (the) ] TJ T* [ (domain) -200.018 (disparity) -199.996 (between) -199.021 (tw) 9.99516 (o) -200.004 (datasets) -199.993 (can) -199.976 (be) -200.015 (ef) 25.0201 (fecti) 25.0201 (v) 14.9885 (ely) -199.018 (remo) 14.9885 (v) 14.9885 (ed\056) ] TJ /R14 9.6862 Tf 35.1543 TL T* [ (challenge\054) -315.002 (i\056e\056\054) -313.885 (detecting) -301.991 (objects) -302.016 (in) -301.018 (the) -301.996 (wild) -301.996 (where) -302.006 (domain) ] TJ 11.6234 TL T* [ (shifts) -395.885 (al) 10.0089 (w) 10.0089 (ays) -395.015 (happen\056) -746.998 (Since) -395.003 (the) -396 (collected) -395.981 (datasets) -395.003 (\133) ] TJ ET Q /R9 cs 0.41186 0.74023 0.27051 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 510.823 268.017 Tm (2) Tj ET Q /R11 cs 1 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 515.666 268.017 Tm (\054) Tj ET Q /R9 cs 0.41186 0.74023 0.27051 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 521.923 268.017 Tm (6) Tj ET Q /R11 cs 1 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 526.768 268.017 Tm (\135) Tj -226.473 -11.6246 Td [ (are) -396.999 (still) -398.005 (domain) -396.989 (restricted\054) -433.906 (the) -398.017 (trained) -397.014 (detectors) -396.908 (are) -398.007 (dif) 25.0084 (\223\055) ] TJ 11.6234 TL T* [ (cult) -282.901 (to) -282.989 (adapt) -281.991 (to) -282.989 (another) -283.012 (domain) -282.982 (due) -281.999 (to) -282.992 (the) -283.002 (domain) -282.982 (discrep\055) ] TJ T* [ (anc) 14.9919 (y) -339.993 (between) -339.985 (the) -339.983 (training) -339.02 (data) -339.995 (and) -339.99 (the) -339.985 (testing) -340.015 (data) -339.995 (it) -340.005 (will) ] TJ 11.6242 TL T* [ (apply) -356.895 (to\056) -631.093 (Most) -356.986 (of) -356.999 (con) 39.9802 (v) 15.0146 (entional) -356.988 (detection) -358.007 (methods) -356.988 (do) -356.999 (not) ] TJ T* [ (tak) 10.1047 (e) -276.983 (into) -277.996 (account) -276.988 (the) -276.99 (domain) -277.981 (discrepanc) 14.9869 (y) 64.9835 (\054) -283.985 (which) -277.008 (leads) -277.008 (to) -277.991 (a) ] TJ T* [ (prominent) -295.881 (performance) -295.985 (de) 15.0045 (gradation) -296.007 (in) -296.018 (practice\056) -448.987 (The) -296.013 (in\224u\055) ] TJ 11.6234 TL T* [ (ence) -325.911 (of) -325.986 (domain) -326.011 (disparity) -325.996 (can) -325.981 (be) -326.011 (observ) 14.997 (ed) -326.011 (in) -326.989 (the) -325.991 (Figure) ] TJ ET Q /R9 cs 0.92969 0.12549 0.14111 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 522.729 186.649 Tm (1) Tj ET Q /R11 cs 1 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 527.571 186.649 Tm (\054) Tj -227.276 -11.6246 Td [ (where) -245.991 (we) -246.003 (train) -245.988 (a) -246.011 (V) 15.0096 (GG16) -245.998 (based) -246 (F) 15.002 (aster) 20.0077 (\055RCNN) -245.981 (\133) ] TJ ET Q /R9 cs 0.41186 0.74023 0.27051 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 483.258 175.024 Tm (29) Tj ET Q /R11 cs 1 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 492.944 175.024 Tm [ (\135) -245.991 (with) -245.981 (the) ] TJ -192.649 -11.6234 Td [ (Cityscapes) -208.012 (\133) ] TJ ET Q /R9 cs 0.41186 0.74023 0.27051 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 347.506 163.401 Tm (4) Tj ET Q /R11 cs 1 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 352.349 163.401 Tm [ (\135) -206.991 (and) -207.997 (test) -207.989 (the) -207.989 (model) -207.019 (on) -207.987 (F) 15.002 (oggy) -207.997 (Cityscapes) -208.012 (\133) ] TJ ET Q /R9 cs 0.41186 0.74023 0.27051 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 514.662 163.401 Tm (32) Tj ET Q /R11 cs 1 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 524.348 163.401 Tm (\135\056) Tj -224.052 -11.6242 Td [ (The) -207.011 (results) -205.99 (in) -207.011 (the) -206.981 (second) -205.98 (ro) 24.9882 (w) -206.993 (in) -205.98 (Figure) ] TJ ET Q /R9 cs 0.92969 0.12549 0.14111 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 450.578 151.777 Tm (1) Tj ET Q /R11 cs 1 scn q 10 0 0 10 0 0 cm BT /R14 9.6862 Tf 1 0 0 1 457.426 151.777 Tm [ (v) 15.0171 (erify) -205.99 (our) -207.004 (idea) -206.993 (that) ] TJ -157.13 -11.6246 Td [ (a) -199.997 (considerable) -200.012 (performance) -200.004 (drop) -200.017 (with) -200.007 (man) 14.997 (y) -200.012 (objects) -199.987 (missing) ] TJ 11.6234 TL T* [ (when) -249.89 (the) -250.011 (domain) -250.114 (disparity) -250.018 (e) 14.9919 (xists\056) ] TJ 11.6234 -13.7262 Td [ (Generally) 65.0188 (\054) -337.981 (it\220) 55.0175 (s) -320.008 (dif) 25.0084 (\223cult) -320.005 (to) -320.013 (quantitati) 24.9983 (v) 15.0171 (ely) -319.982 (remo) 15.0071 (v) 15.0171 (e) -320.981 (the) -319.982 (do\055) ] TJ -24.9828 -29.0594 Td (1) Tj ET Q Q Q q 1 0 0 -1 0 841.88974 cm q 1 1 1 rg /a0 gs 40.043 7.957 515.188 33.723 re f 0.44706 0.57647 0.77255 rg /a1 gs 68.898 10.68 m 63.352 10.68 58.852 15.57 58.852 21.598 c 58.852 27.629 63.352 32.516 68.898 32.516 c 70.488 32.516 71.992 32.113 73.328 31.398 c 71.414 27.633 l 70.645 28.012 69.797 28.223 68.898 28.223 c 65.531 28.223 62.801 25.254 62.801 21.598 c 62.801 17.941 65.531 14.973 68.898 14.973 c 70.234 14.973 71.465 15.445 72.469 16.238 c 75.426 13.293 l 73.668 11.66 71.387 10.68 68.898 10.68 c h 68.898 10.68 m f 69.695 19.906 m 78.91 38.691 l 87.5 19.906 l 83.168 19.906 l 78.91 29.195 l 74.32 19.906 l h 69.695 19.906 m f 88.059 10.703 m 101.621 10.703 l 101.621 14.355 l 92.512 14.355 l 92.512 19.887 l 97.453 19.887 l 97.453 23.438 l 92.512 23.438 l 92.512 32.598 l 88.086 32.598 l h 88.059 10.703 m f q 1 0 0 1 0 0 cm /a1 gs /x6 Do Q Q Q Q q 1 0 0 1 0 0 cm BT /F1 12 Tf 14.4 TL ET 1 1 1 rg n 261.61 82 72 14 re f* 0.5 0.5 0.5 rg BT /F2 9 Tf 10.8 TL ET BT 1 0 0 1 288.61 85 Tm (6668) Tj T* ET Q endstream endobj 15 0 obj << /Filter /DCTDecode /Interpolate true /Height 512 /Length 98783 /ColorSpace 16 0 R /Width 1024 /BitsPerComponent 8 /Subtype /Image >> stream Adobe d s !1AQa"q2B#R3b$r%C4Scs5D'6Tdt& EFVU(eufv7GWgw8HXhx)9IYiy*:JZjz m !1AQa"q2#BRbr3$4CS%cs5DT &6E'dtU7()euFVfvGWgw8HXhx9IYiy*:JZjz ? ݷa#n~_y(!|U4Q|A| yVd{L,oX ˤәRY`)*^Ao /sd٦ 3O x_LSWR?2en) ˂e)TB zqT?~)2i)u.?"_;LY=06o?ʃdF$CɆifOLjPrea/ 7ɷ }5 8 )# ~2bߝ?K Lֿǖ6ao[