%PDF-1.3 1 0 obj > endobj 2 0 obj > endobj 3 0 obj > /ExtGState > >> /Font > /ProcSet [ /PDF /Text ] >> /MediaBox [ 0 0 612 792 ] /Annots [ ] >> endobj 4 0 obj > /MediaBox [ 0 0 612 792 ] >> endobj 5 0 obj > /MediaBox [ 0 0 612 792 ] >> endobj 6 0 obj > /Group 102 0 R /MediaBox [ 0 0 612 792 ] >> endobj 7 0 obj > /MediaBox [ 0 0 612 792 ] >> endobj 8 0 obj > /MediaBox [ 0 0 612 792 ] >> endobj 9 0 obj > /Group 102 0 R /MediaBox [ 0 0 612 792 ] >> endobj 10 0 obj > /MediaBox [ 0 0 612 792 ] >> endobj 11 0 obj > /MediaBox [ 0 0 612 792 ] >> endobj 12 0 obj > /MediaBox [ 0 0 612 792 ] >> endobj 13 0 obj > /MediaBox [ 0 0 612 792 ] >> endobj 14 0 obj > /MediaBox [ 0 0 612 792 ] >> endobj 15 0 obj > /MediaBox [ 0 0 612 792 ] >> endobj 16 0 obj > /MediaBox [ 0 0 612 792 ] >> endobj 17 0 obj > /MediaBox [ 0 0 612 792 ] >> endobj 18 0 obj > /MediaBox [ 0 0 612 792 ] >> endobj 19 0 obj > /MediaBox [ 0 0 612 792 ] >> endobj 20 0 obj > endobj 21 0 obj > stream q q 0.1 0 0 0.1 0 0 cm /R7 gs 0 g q 10 0 0 10 0 0 cm BT /R8 14.3462 Tf 1 0 0 1 138.05 666.202 Tm [ (Unsuper) 10 (vised) -249.99 (V) 37.0137 (ideo) -250.003 (Object) -249.998 (Segmentation) -250.002 (using) -250.008 (Motion) ] TJ 26.1461 -17.9328 Td [ (Saliency\055Guided) -250.003 (Spatio\055T) 92.0033 (emporal) -249.988 (Pr) 18.0048 (opagation) ] TJ /R10 9.9626 Tf 20.9668 -34.6973 Td [ (Y) 111.004 (uan\055T) 34.9819 (ing) -250.02 (Hu) ] TJ /R10 7.3723 Tf 56.9262 3.61602 Td (1) Tj /R10 9.9626 Tf 4.18477 -3.61602 Td [ (\054) -249.995 (Jia\055Bin) -250.005 (Huang) ] TJ /R10 7.3723 Tf 62.8141 3.61602 Td (2) Tj /R10 9.9626 Tf 4.18398 -3.61602 Td [ (\054) -249.995 (and) -249.993 (Ale) 14.9828 (xander) -249.995 (G\056) -249.993 (Schwing) ] TJ /R10 7.3723 Tf 112.737 3.61602 Td (1) Tj /R10 6.9738 Tf -237.148 -21.2418 Td (1) Tj /R10 8.9664 Tf 3.98516 -3.25508 Td [ (Uni) 25.0066 (v) 14.9865 (ersity) -249.989 (of) -249.992 (Illinois) -249.997 (at) -249.989 (Urbana\055Champaign) ] TJ /R10 6.9738 Tf 180.941 3.25508 Td (2) Tj /R10 8.9664 Tf 3.98477 -3.25508 Td [ (V) 59.9787 (ir) 17.9871 (ginia) -249.978 (T) 70.0042 (ech) ] TJ /R12 8.9664 Tf -186.109 -10.959 Td [ (f) -0.8999 ] TJ /R14 8.9664 Tf 4.6082 0 Td (ythu2\054aschwing) Tj /R12 8.9664 Tf 75.3168 0 Td [ (g) -0.90126 ] TJ /R14 8.9664 Tf 4.6082 0 Td [ (\100illinois\056edu) -1611 (jbhuang\100vt\056edu) ] TJ /R8 8.9664 Tf -113.085 -41.325 Td (Abstract\056) Tj /R10 8.9664 Tf 40.5859 0 Td [ (Unsupervised) -335.021 (video) -334.985 (se) 15.0165 (gmentation) -335.021 (plays) -334.98 (an) -335.996 (important) -335.015 (role) -334.996 (in) -335.007 (a) -334.991 (wide) ] TJ -40.5859 -10.959 Td [ (v) 25.0066 (ariety) -387.984 (of) -388.009 (applications) -388.01 (from) -388.013 (object) -388.013 -387.988 (to) -387.985 (compression\056) -386.997 (Ho) 24.9957 (we) 25.0229 (v) 14.9865 (er) 40.0039 (\054) -388.015 (to) ] TJ 10.959 TL T* [ (date\054) -266.017 (f) 10.0064 (ast) -265.014 (motion\054) -266.008 (motion) -265.986 (blur) -265.014 (and) -265.986 (occlusions) -265.978 (pose) -264.981 -266 (challenges\056) -266 (T) 79.9807 (o) -265.008 (ad\055) ] TJ T* [ (dress) -275.009 (these) -276.011 (challenges) -274.996 (for) -276.014 (unsupervised) -275.02 (video) -275.998 (se) 15.0165 (gmentation\054) -275.009 (we) -276.014 (de) 24.9875 (v) 14.9865 (elop) -274.996 (a) -275.001 (no) 14.9865 (v) 14.9865 (el) ] TJ T* [ (salienc) 14.996 (y) -321.992 (estimation) -322.983 (technique) -321.989 (as) -323.008 (well) -322.003 (as) -322.006 (a) -323.013 (no) 14.9865 (v) 14.9865 (el) -322.003 (neighborhood) -323.021 (graph\054) -322.003 (based) -321.981 (on) ] TJ T* [ (optical) -437.016 24.9807 (w) -436.014 (and) -436.98 (edge) -437 (cues\056) -436.014 (Our) -436.986 (approach) -436.988 (leads) -436.986 (t) 1.01017 (o) -437.005 -436.986 (better) -436.994 (i) 1.0129 (nitial) ] TJ 10.9578 TL T* [ (fore) 14.9824 (ground\055background) -331.007 (estimates) -330.977 (and) -330.986 (their) -331.985 (rob) 19.9829 (ust) -330.996 (as) -330.98 (well) -331.021 (as) -330.98 (accurate) -330.977 (dif) 25.0011 (fusion) ] TJ 10.959 TL T* [ (across) -422.018 (time\056) -422.99 (W) 80.0106 (e) -421.994 (e) 24.9875 (v) 25.0066 (aluate) -422.013 (our) -422.99 (proposed) -422.005 (algorithm) -422.016 (on) -423.02 (the) -421.986 (challenging) -422.007 (D) 39.9822 (A) 134.998 (VIS\054) ] TJ T* [ (Se) 14.9865 (gT) 35.0212 (rack) -310.02 (v2) -310.012 (and) -309.987 (FBMS\05559) -310.017 (data) 1.01562 (sets\056) -309.99 (Despite) -309.992 (the) -310.022 (usage) -310 (of) -309.982 (only) -310.003 (a) -309.987 (standard) -309.004 (edge) ] TJ T* [ (detector) -276.998 (trained) -276.022 (on) -276.989 (200) -275.987 (images\054) -276.983 (our) -276 (method) -276.992 (achie) 25.0038 (v) 14.9865 (es) -276 (state\055of\055the\055art) -277.008 (results) -275.992 (out\055) ] TJ T* [ (performing) -357.02 (deep) -356.011 (learning) -357.01 (based) -357.008 (methods) -356.014 (in) -357.01 (the) -356.986 (unsupervise) 1.01017 (d) -357.019 (setting\056) -356.986 (W) 80.0079 (e) -355.989 (e) 24.9902 (v) 14.9865 (en) ] TJ T* [ (demonstrate) -335.015 (competiti) 25.012 (v) 14.9865 (e) -334.994 (results) -333.978 (comparable) -335.004 (to) -335.01 (deep) -335.013 (learning) -335.01 (based) -335.007 (methods) -334.016 (in) ] TJ T* [ (the) -249.988 (semi\055supervised) -249.981 (setting) -250.011 (on) -249.978 (the) -249.989 (D) 39.9822 (A) 134.998 (VIS) -249.984 (dataset\056) ] TJ /R8 11.9552 Tf -28.3461 -52.284 Td [ (1) -1000 (Intr) 18.0146 (oduction) ] TJ /R10 9.9626 Tf 24.2352 TL T* [ (Unsupervised) -196.01 (fore) 15.0122 (ground\055background) -196.004 (video) -195.989 (object) -195.992 (se) 15.0196 (gmentation) -196.002 (of) -196.004 (comple) 14.9975 (x) -196.002 (scenes) -196.002 (is) -195.992 (a) ] TJ 11.9559 TL T* [ (challenging) -220.989 (problem) -220.015 (which) -221.007 (has) -219.995 (man) 14.9901 (y) -221.017 (applications) -221.019 (in) -219.99 (areas) -220.993 (such) -219.99 (as) -220.98 (object) -221.007 (identi) 1.00964 ] TJ 11.9551 TL T* [ (security) 64.9879 (\054) -340.019 (and) -340.016 (video) -340.005 (compression\056) -340.019 (It) -340.017 (is) -340.009 (therefore) -339.987 (not) -340.005 (surprising) -339.982 (that) -340.007 (man) 14.9926 (y) -340.017 (ef) 25.0056 (forts) -340.012 (ha) 19.9967 (v) 14.9828 (e) ] TJ T* [ (been) -394.992 (de) 25.0167 (v) 20.0016 (oted) -394 (to) -394.981 (de) 25.0154 (v) 14.9828 (eloping) -393.983 (ef) 25.0081 -395.008 (techniques) -395.005 (that) -393.998 (are) -395.005 (able) -394.01 (to) -394.981 (ef) 25.0056 (fecti) 25.0154 (v) 14.9828 (ely) -394.983 (s) 0.98513 (eparate) ] TJ T* [ (fore) 15.011 (ground) -250.015 (from) -249.986 (background\054) -250.012 (e) 25.0105 (v) 14.9828 (en) -249.997 (in) -249.985 (comple) 14.9975 (x) -249.993 (videos\056) ] TJ 14.9441 -12.0199 Td [ (In) -321.984 (comple) 14.9987 (x) -321 (videos\054) -321.998 (cluttered) -320.991 (backgrounds\054) -321.993 (deforming) -321.015 (shapes\054) -322.008 (and) -321 (f) 9.99343 (ast) -322.015 (motion) -321.005 (are) ] TJ -14.9441 -11.9551 Td [ (major) -399.014 (challenges\056) -399.012 (In) -398.99 (addition\054) -398.992 (in) -399.019 (the) -398.985 (unsupervised) -398.995 (setting\054) -398.995 (algorithms) -398.982 (ha) 19.9967 (v) 14.9828 (e) -398.997 (to) -399.022 (auto\055) ] TJ 11.9559 TL T* [ (matically) -391 (disco) 14.9963 (v) 14.9828 (er) -391 (fore) 15.0122 (ground) -391.011 (re) 15.0098 (gions) -389.984 (in) -390.981 (the) -390.986 (video\056) -391.013 (T) 79.9916 (o) -390.989 (this) -391.008 (end\054) -390.986 (classical) -391.018 (video) -389.994 (ob\055) ] TJ 11.9551 TL T* [ (ject) -366.011 (se) 15.0183 (gmentation) -366.993 (techniques) -365.99 (\1336\054) -166.987 (9\054) -166.984 (11\054) -166 (18\054) -167.019 (23\054) -167.019 (46\054) -166 (22\054) -167.019 (50\054) -167.019 (58\135) -366.01 (often) -366.988 (assume) -365.998 (rigid) -365.998 (back\055) ] TJ T* [ (ground) -343.999 (motion) -344.019 (models) -343.989 (and) -344.016 (incorporate) -344.987 (a) -343.987 (scene) -343.984 (prior) 40.0031 (\054) -344.019 (tw) 10.0081 (o) -344.016 (assumptions) -344.001 (which) -344.006 (are) -343.992 (re\055) ] TJ T* [ (stricti) 25.0032 (v) 14.9828 (e) -287.996 (in) -288.018 (practice\056) -287.989 (T) 35.0187 (rajectory) -287.006 (based) -287.984 (methods\054) -287.991 (such) -288.018 (as) -287.989 (\1338\054) -166.987 (12\054) -166 (45\054) -167.019 (5\054) -166.984 (15\135\054) -287.981 (require) -287.011 (selec\055) ] TJ T* [ (tion) -228.016 (of) -229.019 (clusters) -227.982 (or) -228 (a) -228.006 (matrix) -228.996 (rank\054) -227.996 (which) -227.986 (may) -229.008 (not) -227.984 (be) -228.001 (intuiti) 24.9836 (v) 14.9828 (e\056) -228.984 (Graphical) -227.991 (model) -228.016 (based) -227.991 (ap\055) ] TJ T* [ (proaches) -211.999 (\13324\054) -166.982 (2\054) -166.004 (16\054) -167.019 (51\054) -167.019 (54\054) -166 (52\135) -211.996 (estimate) -212.016 (the) -211.996 (fore) 15.0122 (ground) -211.982 (re) 15.0098 (gions) -212.014 (using) -212.014 (a) -212.009 (probabilistic) -211.014 (for) 19.9967 (\055) ] TJ 11.9559 TL T* [ (mulation\056) -199.018 (Ho) 24.9836 (we) 25.0142 (v) 14.9828 (er) 39.986 (\054) -198.984 (for) -198.009 (computational) -199.011 (ef) 25.0081 14.9926 (y) 65.0137 (\054) -198.984 (the) -199.018 (constructed) -199.001 (graph) -199.016 (usually) -198.016 (contains) ] TJ 11.9551 TL T* [ (only) -308.005 (local) -308.996 (connections\054) -307.993 (both) -308.005 (spatially) -309.01 (and) -307.983 (temporally) 65.0063 (\054) -307.985 (reducing) -308.993 (the) -308.02 (ability) -307.993 (to) -308.017 (consider) ] TJ T* [ (long\055term) -321.014 (spatial) -322 (and) -321 (temporal) -320.981 (coherence) -321.995 (patterns\056) -320.983 (T) 79.9916 (o) -321 (address) -322.015 (this) -321.02 (concern\054) -321.005 (dif) 24.986 (fusion) ] TJ T* [ (based) -231.993 (methods) -232.004 (\13335\135\054) ] TJ /R16 9.9626 Tf 82.4691 0 Td [ (e) 15.0122 (\056g) ] TJ /R10 9.9626 Tf 11.7461 0 Td [ (\056\054) -231.996 (\13313\054) -166.982 (55\135\054) -231.991 (propag) 4.99181 (ate) -232.003 (an) -232 (initial) -232.003 (fore) 15.0122 (ground\055background) -232 (estimate) ] TJ -94.2152 -11.9551 Td [ (more) -350.01 (globally) 65.0063 (\056) -348.998 (While) -350.005 (promising) -350.01 (results) -349.996 (are) -349.013 (sho) 24.9934 (wn\054) -350.01 (dif) 24.986 (fusion) -349.996 (based) -350.013 (formulations) -348.991 (rely) ] TJ ET Q Q Q q q 1 1 1 rg /a0 gs 48.406 786.422 515.188 -52.699 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 endstream endobj 22 0 obj > >> /XObject > >> /Length 28 /Group > /BBox [ 123 744 519 776 ] /Type /XObject /Subtype /Form >> stream xœ+äÒO4PH/VЯ02QpÉç ä