%PDF-1.3 1 0 obj << /Kids [ 3 0 R 4 0 R 5 0 R 6 0 R 7 0 R 8 0 R 9 0 R 10 0 R 11 0 R ] /Type /Pages /Count 9 >> endobj 2 0 obj << /Title (Look and Think Twice\072 Capturing Top\055Down Visual Attention With Feedback Convolutional Neural Networks) /Producer (PyPDF2) /Author (Chunshui Cao\054 Xianming Liu\054 Yi Yang\054 Yinan Yu\054 Jiang Wang\054 Zilei Wang\054 Yongzhen Huang\054 Liang Wang\054 Chang Huang\054 Wei Xu\054 Deva Ramanan\054 Thomas S\056 Huang) /Subject (2015 IEEE International Conference on Computer Vision) >> endobj 3 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 13 0 R /Resources << /XObject << /x8 14 0 R /x6 17 0 R /R35 20 0 R /x12 21 0 R /x10 24 0 R >> /ExtGState << /s9 27 0 R /s11 30 0 R /a0 << /CA 1 /ca 1 >> /R18 33 0 R /s5 34 0 R /s7 37 0 R >> /Font << /F2 40 0 R /R29 41 0 R /F1 45 0 R /R21 46 0 R /R19 51 0 R /R23 55 0 R /R25 59 0 R /R33 63 0 R /R27 67 0 R /R31 72 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 75 0 R 76 0 R 77 0 R 78 0 R 79 0 R 80 0 R 81 0 R 82 0 R 83 0 R 84 0 R ] >> endobj 4 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 85 0 R /Resources << /XObject << /R83 86 0 R /R82 87 0 R /R81 88 0 R /R80 89 0 R /R86 90 0 R /R85 91 0 R /R84 92 0 R >> /ExtGState << /R18 33 0 R >> /Font << /R29 41 0 R /R19 51 0 R /R23 55 0 R /F1 93 0 R /F2 94 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 95 0 R 96 0 R 97 0 R 98 0 R 99 0 R 100 0 R 101 0 R 102 0 R 103 0 R 104 0 R 105 0 R 106 0 R 107 0 R 108 0 R 109 0 R 110 0 R 111 0 R 112 0 R 113 0 R 114 0 R 115 0 R 116 0 R 117 0 R 118 0 R 119 0 R 120 0 R 121 0 R 122 0 R 123 0 R 124 0 R 125 0 R 126 0 R 127 0 R 128 0 R 129 0 R 130 0 R 131 0 R 132 0 R ] >> endobj 5 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 133 0 R /Resources << /ExtGState << /R18 33 0 R >> /Font << /R127 134 0 R /R119 137 0 R /R117 141 0 R /R29 41 0 R /R131 144 0 R /R125 147 0 R /F1 152 0 R /R123 153 0 R /R121 158 0 R /F2 162 0 R /R21 46 0 R /R19 51 0 R /R23 55 0 R /R129 163 0 R >> /ProcSet [ /ImageC /Text /PDF /ImageI /ImageB ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 167 0 R 168 0 R 169 0 R 170 0 R 171 0 R 172 0 R 173 0 R 174 0 R 175 0 R 176 0 R 177 0 R 178 0 R 179 0 R 180 0 R 181 0 R 182 0 R 183 0 R 184 0 R 185 0 R 186 0 R 187 0 R 188 0 R 189 0 R 190 0 R ] >> endobj 6 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 191 0 R /Resources << /XObject << /R140 192 0 R >> /ExtGState << /R18 33 0 R >> /Font << /R145 193 0 R /R127 134 0 R /R119 137 0 R /R141 196 0 R /R143 199 0 R /R117 141 0 R /R29 41 0 R /R131 144 0 R /F1 202 0 R /R123 153 0 R /R121 158 0 R /F2 203 0 R /R21 46 0 R /R19 51 0 R /R23 55 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 204 0 R 205 0 R ] >> endobj 7 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 206 0 R /Resources << /XObject << /R202 207 0 R /R181 208 0 R /R200 209 0 R /R201 210 0 R /R185 211 0 R /R184 212 0 R /R187 213 0 R /R186 214 0 R /R189 215 0 R /R188 216 0 R /R183 217 0 R /R182 218 0 R /R163 219 0 R /R162 220 0 R /R161 221 0 R /R167 222 0 R /R166 223 0 R /R165 224 0 R /R164 225 0 R /R169 226 0 R /R168 227 0 R /R192 228 0 R /R193 229 0 R /R190 230 0 R /R191 231 0 R /R196 232 0 R /R197 233 0 R /R194 234 0 R /R195 235 0 R /R180 236 0 R /R198 237 0 R /R199 238 0 R /R178 239 0 R /R179 240 0 R /R174 241 0 R /R175 242 0 R /R176 243 0 R /R177 244 0 R /R170 245 0 R /R171 246 0 R /R172 247 0 R /R173 248 0 R >> /ExtGState << /R18 33 0 R >> /Font << /R127 134 0 R /R119 137 0 R /R117 141 0 R /R29 41 0 R /F1 249 0 R /R121 158 0 R /F2 250 0 R /R21 46 0 R /R19 51 0 R /R23 55 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 251 0 R 252 0 R 253 0 R 254 0 R 255 0 R 256 0 R 257 0 R 258 0 R ] >> endobj 8 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 259 0 R /Resources << /ExtGState << /R18 33 0 R >> /Font << /R127 134 0 R /R119 137 0 R /R117 141 0 R /R29 41 0 R /F1 260 0 R /R123 153 0 R /R121 158 0 R /F2 261 0 R /R21 46 0 R /R19 51 0 R /R23 55 0 R >> /ProcSet [ /ImageC /Text /PDF /ImageI /ImageB ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 262 0 R 263 0 R 264 0 R 265 0 R 266 0 R 267 0 R 268 0 R 269 0 R 270 0 R 271 0 R 272 0 R 273 0 R 274 0 R 275 0 R 276 0 R 277 0 R 278 0 R 279 0 R 280 0 R ] >> endobj 9 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 281 0 R /Resources << /XObject << /R196 232 0 R /R239 282 0 R /R189 215 0 R /R243 283 0 R /R248 284 0 R /R249 285 0 R /R246 286 0 R /R247 287 0 R /R244 288 0 R /R245 289 0 R /R242 290 0 R /R250 291 0 R /R240 292 0 R /R241 293 0 R >> /ExtGState << /R18 33 0 R >> /Font << /R127 134 0 R /F2 294 0 R /R29 41 0 R /F1 295 0 R /R21 46 0 R /R19 51 0 R /R23 55 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 296 0 R 297 0 R 298 0 R 299 0 R 300 0 R ] >> endobj 10 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 301 0 R /Resources << /XObject << /R267 302 0 R /R272 303 0 R /R271 304 0 R /R270 305 0 R /R268 306 0 R /R269 307 0 R >> /ExtGState << /R259 308 0 R /R262 309 0 R >> /Font << /R265 310 0 R /R119 137 0 R /R263 314 0 R /F2 318 0 R /R29 41 0 R /F1 319 0 R /R21 46 0 R /R19 51 0 R /R23 55 0 R /R127 134 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] /ColorSpace << /R261 320 0 R >> >> /MediaBox [ 0 0 612 792 ] /Annots [ 322 0 R 323 0 R 324 0 R ] >> endobj 11 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 325 0 R /Resources << /ExtGState << /R18 33 0 R >> /Font << /F2 326 0 R /R29 41 0 R /R279 327 0 R /F1 331 0 R /R19 51 0 R /R23 55 0 R >> /ProcSet [ /ImageC /Text /PDF /ImageI /ImageB ] >> /MediaBox [ 0 0 612 792 ] /Annots [ ] >> endobj 12 0 obj << /Type /Catalog /Pages 1 0 R >> endobj 13 0 obj << /Length 17335 >> stream q q q 0.10000 0 0 0.10000 0 0 cm /R18 gs 0 g q 10 0 0 10 0 0 cm BT /R19 14.34620 Tf 1 0 0 1 59.56090 675.06700 Tm [ (Look) -249.99800 (and) -249.99100 (Think) -249.99100 (T) 73.99160 (wice\072) -309.99400 (Capturing) -250.00300 (T) 91.98970 (op\055Do) 10.00140 (wn) -250.00700 (V) 37.01370 (isual) -250.00500 (Attention) -250.01200 (with) -250.01500 (F) 24.98890 (eedback) ] TJ 140.84900 -17.93320 Td [ (Con) 40.00710 (v) 9.99625 (olutional) -249.99600 (Neural) -250.00800 (Netw) 9.99455 (orks) ] TJ /R21 9.96260 Tf 194.40400 5.20703 Td <03> Tj /R23 11.95520 Tf -290.08300 -43.06480 Td [ (Chunshui) -249.99600 (Cao) ] TJ /R25 7.97010 Tf 68.08400 4.33867 Td [ (y) -0.19911 ] TJ /R23 11.95520 Tf 16.87930 -4.33867 Td [ (Xianming) -250.01400 (Liu) ] TJ /R25 7.97010 Tf 67.41480 4.33867 Td [ (z) -0.19911 ] TJ /R23 11.95520 Tf 16.87890 -4.33867 Td [ (Y) 54.99250 (i) -250.01400 (Y) 99.98470 (ang) ] TJ /R25 7.97010 Tf 38.98590 4.33867 Td [ (x) -0.19911 ] TJ /R23 11.95520 Tf 16.87930 -4.33867 Td [ (Y) 54.99250 (inan) -250.01000 (Y) 110.99600 (u) ] TJ /R25 7.97010 Tf 44.83090 4.33867 Td [ (x) -0.19911 ] TJ /R23 11.95520 Tf 16.88010 -4.33867 Td [ (Jiang) -249.99300 (W) 79.99840 (ang) ] TJ /R25 7.97010 Tf 55.81800 4.33867 Td [ (x) -0.20217 ] TJ /R23 11.95520 Tf 16.87890 -4.33867 Td [ (Zilei) -250.01000 (W) 79.99840 (ang) ] TJ /R25 7.97010 Tf 53.16410 4.33867 Td [ (y) -0.20217 ] TJ /R23 11.95520 Tf -445.80100 -18.39570 Td [ (Y) 110.01500 (ongzhen) -249.99500 (Huang) ] TJ /R27 7.97010 Tf 82.68130 4.33789 Td [ (\134) -0.20064 ] TJ /R23 11.95520 Tf 16.40900 -4.33789 Td [ (Liang) -250.01600 (W) 80 (ang) ] TJ /R27 7.97010 Tf 61.46090 4.33789 Td [ (\134) -0.19911 ] TJ /R23 11.95520 Tf 16.40900 -4.33789 Td [ (Chang) -250.00600 (Huang) ] TJ /R25 7.97010 Tf 66.07620 4.33789 Td [ (x) -0.19911 ] TJ /R23 11.95520 Tf 16.87890 -4.33789 Td [ (W) 80 (ei) -249.98700 (Xu) ] TJ /R25 7.97010 Tf 36.55900 4.33789 Td [ (x) -0.19911 ] TJ /R23 11.95520 Tf 16.87890 -4.33789 Td [ (De) 24.98950 (v) 24.98340 (a) -249.99700 (Ramanan) ] TJ /R27 7.97010 Tf 72.76990 4.33789 Td [ (\135) -0.20217 ] TJ /R23 11.95520 Tf 16.40900 -4.33789 Td [ (Thomas) -250.01000 (S\056) -249.99300 (Huang) ] TJ /R25 7.97010 Tf 86.00510 4.33789 Td [ (z) -0.20217 ] TJ -471.78800 -14.05700 Td [ (y) -0.19987 ] TJ /R23 11.95520 Tf 4.26094 -4.33906 Td [ (Uni) 24.99460 (v) 14.98620 (ersity) -249.98900 (of) -250.01500 (Science) -250.00500 (and) -249.98700 (T) 70.01640 (echnology) -249.99700 (of) -250.01400 (China) ] TJ /R25 7.97010 Tf 242.06700 4.33906 Td [ (z) -0.19911 ] TJ /R23 11.95520 Tf 4.26211 -4.33906 Td [ (Uni) 24.99570 (v) 14.98510 (ersity) -249.98900 (of) -250.01400 (Illinois) -250.00600 (at) -249.98900 (Urbana\055Champaign) ] TJ /R25 7.97010 Tf -282.87300 -9.71875 Td [ (x) -0.19987 ] TJ /R23 11.95520 Tf 4.26094 -4.33828 Td [ (Baidu) -249.98600 (Research) ] TJ /R27 7.97010 Tf 90.30940 4.33828 Td [ (\134) -0.20064 ] TJ /R23 11.95520 Tf 3.79102 -4.33828 Td [ (Institution) -249.98800 (of) -250.01400 (Automation\054) -250.00600 (Chinese) -250.01200 (Academy) -250.00400 (of) -250.01400 (Sciences) ] TJ /R27 7.97010 Tf 288.22400 4.33828 Td [ (\135) -0.20217 ] TJ /R23 11.95520 Tf 3.79219 -4.33828 Td [ (Carne) 15.01370 (gie) -249.99700 (Mellon) -249.99700 (Uni) 24.99570 (v) 14.98510 (ersity) ] TJ /R19 11.95520 Tf -300.47200 -38.05780 Td (Abstract) Tj /R29 9.96260 Tf -83.92770 -23.91020 Td [ (While) -354.98300 (feedforwar) 36.98160 (d) -354.01400 (deep) -354.99800 (con) 40 (volutional) -354.99000 (neur) 14.99010 (al) -354.98700 (networks) ] TJ -11.95510 -11.95470 Td [ (\050CNNs\051) -390.99400 (have) -392.01200 (been) -390.99200 (a) -392.00800 (gr) 36.98520 (eat) -390.98600 (success) -392.00300 (in) -390.98100 (computer) -391.99100 (vision\054) -426.99700 (it) ] TJ 11.95510 TL T* [ (is) -276.01900 (important) -275.00200 (to) -275.98100 (note) -276.02000 (that) -276.00800 (the) -275.00600 (human) -276.00900 (visual) -276.00500 (corte) 20.00650 (x) -275.99800 (g) 10.00320 (ener) 15.01960 (ally) ] TJ T* [ (contains) -339.98600 (mor) 36.98770 (e) -341.00700 (feedbac) 20.00520 (k) -339.98700 (than) -340 (feedforwar) 36.98160 (d) -340.99700 (connections\056) -581.00600 (In) ] TJ 11.95590 TL T* [ (this) -236.01300 (paper) 111.01800 (\054) -239.99700 (we) -235.99100 (will) -236.00500 <627269650379> -237.00500 (intr) 44.99860 (oduce) -235.99400 (the) -237.01200 (bac) 20.00160 (kgr) 45.01940 (ound) -236.01900 (of) -237.00700 (feed\055) ] TJ 11.95510 TL T* [ (bac) 20.00220 (ks) -247.01600 (i) 0.98758 (n) -247.01300 (the) -247.01000 (human) -246.01400 (visual) -246.99200 (cort) 0.99371 (e) 19.99180 (x\054) -248 (whic) 14.99870 (h) -245.99300 (motivates) -246.98600 (us) -245.98600 (to) -247.00500 (de\055) ] TJ T* [ (velop) -283.98300 (a) -283.98700 (computational) -284.98800 (feedbac) 20.00520 (k) -283.99700 (mec) 15.01100 (hanism) -284 (in) -284.01900 (deep) -285.00900 (neur) 14.99010 (al) ] TJ T* [ (networks\056) -557.98800 (In) -333.00200 (addition) -332.01600 (to) -332.99100 (the) -332.99600 (feedforwar) 36.98160 (d) -332.01800 (infer) 36.99630 (ence) -333.01100 (in) -332.99100 (tr) 14.99010 (a\055) ] TJ T* [ (ditional) -322.99500 (neur) 14.99010 (al) -322.01200 (networks\054) -341.00400 (a) -323 (feedbac) 20.00520 (k) -323.01000 (loop) -322.00300 (is) -322.99300 (intr) 44.99740 (oduced) -322.99300 (to) ] TJ 11.95630 TL T* [ (infer) -308.00600 (the) -308.01900 (activation) -307.98700 (status) -307.99000 (of) -308.01500 (hidden) -308.00400 (layer) -308.01700 (neur) 44.98510 (ons) -308.01000 (accor) 36.98160 (d\055) ] TJ 11.95470 TL T* [ (ing) -314.98900 (to) -316.01300 (the) -314.99800 (\223goal\224) -314.99400 (of) -316.01300 (the) -314.99900 (network\054) -331.99200 (e) 15.01220 (\056g) 14.98520 (\056\054) -330.99900 (high\055le) 15 (vel) -315.98900 (semantic) ] TJ T* [ (labels\056) -432.99700 (W) 91.98650 (e) -289.99500 (analo) 9.98608 (gize) -290.99700 (this) -290.98500 (mec) 15.01100 (hanism) -291.01900 (as) -290.99800 (\223) ] TJ /R31 9.96260 Tf 169.00500 0 Td [ (Look) -290.99100 (and) -290.98600 (Think) ] TJ -169.00500 -11.95510 Td [ (T) 37.01710 (wice) ] TJ /R29 9.96260 Tf 23.98010 0 Td [ (\056) 140.01800 (\224) -687.00900 (The) -376 (feedbac) 20.00520 (k) -375.00100 (networks) -375.98100 (help) -374.98400 (better) -375.99900 (visualize) -375.98100 (and) ] TJ -23.98010 -11.95510 Td [ (under) 10.01490 (stand) -379.98700 (how) -379.99200 (deep) -380.99400 (neur) 14.99010 (al) -380.00300 (networks) -379.98100 (work\054) -413.00700 (and) -380 (captur) 36.99870 (e) ] TJ T* [ (visual) -379.98900 (attention) -380.99000 (on) -380.98500 (e) 19.99180 (xpected) -380.01500 (objects\054) -413.00500 (e) 15.01220 (ven) -380.99800 (in) -380.00300 (ima) 10.01300 (g) 10.00320 (es) -380.99300 (with) ] TJ 11.95590 TL T* [ (clutter) 36.99810 (ed) -257.99600 (bac) 20.00220 (kgr) 45.01940 (ound) -258.01600 (and) -257.98100 (multiple) -257.99900 (objects\056) -333.99800 (Experiments) -258.00600 (on) ] TJ 11.95510 TL T* [ (Ima) 10.00260 (g) 10.00320 (eNet) -396.98100 (dataset) -395.98200 (demonstr) 15.01100 (ate) -396.98500 (its) -395.99200 (ef) 18 (fectiveness) -397.01500 (in) -397.02000 (solving) ] TJ T* [ (tasks) -250.01600 (suc) 14.98460 (h) -249.99300 (as) -249.98600 (ima) 10.01300 (g) 10.00320 (e) -250.00200 <636c6173736902636174696f6e> -250.01800 (and) -249.98300 (object) -249.98300 (localization\056) ] TJ /R19 11.95520 Tf 35.77930 TL T* [ (1\056) -249.99000 (Intr) 18.01460 (oduction) ] TJ /R29 9.96260 Tf 17.71800 -18.34380 Td [ (\223What) -250.00400 (did) -250.02000 (you) -249.99100 (see) -250 (in) -249.98500 (this) -250.01100 (ima) 10.01300 (g) 10.00320 (e\077\224) ] TJ 11.95630 TL T* [ (\223P) 80.00500 (anda\054) -250.01400 (T) 54.98590 (ig) 10.01060 (er) 111.00200 (\054) -249.99500 (Elephant\054) -250 (Lions\056) 140.01700 (\224) ] TJ 11.95470 TL T* [ (\223Have) -249.98400 (you) -249.99100 (seen) -249.99500 (the) -249.99000 (Gorilla\077\224) ] TJ T* [ (\223Oh\041) -310.00800 (I) -250 (e) 15.01280 (ven) -250.00100 (didn\047) 30.01340 (t) -249.99000 (notice) -249.98200 (ther) 36.98770 (e) -250.00200 (is) -249.98400 (a) -249.99300 (Gorilla) -249.99500 (\041\224) ] TJ ET Q 3.98000 w 0 G 619.52000 2677.82000 m 2745.22000 2677.82000 l S 621.51200 2185.42000 m 621.51200 2677.82000 l S 2743.23000 2185.42000 m 2743.23000 2677.82000 l S 619.52000 2185.42000 m 2745.22000 2185.42000 l S q 10 0 0 10 0 0 cm BT /R23 9.96260 Tf 1 0 0 1 62.06720 203.76800 Tm [ (V) 59.99310 (isual) -264.01400 (attention) -265.01800 (typically) -263.99900 (is) -265.00100 (dominate) 1.01209 (d) -265.01000 (by) ] TJ /R29 9.96260 Tf 169.62600 0 Td (\223goals\224) Tj /R23 9.96260 Tf 35.30200 0 Td (from) Tj -216.88300 -11.95510 Td [ (our) -412.98300 (mind) -412.01900 (easily) -413.01200 (in) -411.99700 (a) -412.99500 (top\055do) 25 (wn) -412.00200 (manner) 40.00310 (\054) -454 (especially) -411.99000 (in) -413.01700 (the) ] TJ 11.95470 TL T* [ (case) -402.99800 (of) -402.99000 (object) -403.99500 (detection\056) -768.98300 (Cogniti) 24.98730 (v) 14.98280 (e) -402.99600 (science) -404.01100 (e) 15.01220 (xplains) -402.99900 (this) ] TJ T* [ (in) -489.98400 (the) -489.00800 (\223Biased) -490.01700 (Competition) -488.98600 (Theory\224) -489.98900 (\1331\054) -489.01200 (5\054) -489.98900 (6\135\054) -549.00200 (that) -489.98200 (hu\055) ] TJ T* [ (man) -455.98900 (visual) -454.99600 (corte) 15.01710 (x) -455.99700 (is) -455.00900 (enhanced) -456 (by) -455.99300 (top\055do) 25 (wn) -455.01500 (stimuli) -455.99000 (and) ] TJ 11.95590 TL T* [ (non\055rele) 24.98300 (v) 24.98110 (ant) -299.98100 (neurons) -300.01000 (will) -300.98400 (be) -299.98800 (suppressed) -300.00100 (in) -300.01600 (feedback) -301.01300 (loops) ] TJ 11.95510 TL T* [ (when) -501.98600 (searching) -501.98200 (for) -501.99600 (objects\056) -1065.99000 (By) -502.01600 (\223) ] TJ /R29 9.96260 Tf 148.75900 0 Td [ (looking) -502.00400 (and) -502.01900 (thinking) ] TJ -148.75900 -11.95510 Td (twice) Tj /R23 9.96260 Tf 21.03090 0 Td [ (\224\054) -222.98400 (both) -215 (human) -216.01900 (recognition) -216.00800 (and) -215.99700 (detection) -216.01800 (performances) ] TJ -21.03090 -11.95510 Td [ (increase) -396.99500 <7369676e690263616e746c79> 64.99040 (\054) -434.00400 (especially) -397.99100 (in) -397.02000 (images) -397.01000 (with) -397.99000 (cluttered) ] TJ ET Q 501.12100 998.78900 m 1446.11000 998.78900 l S q 10 0 0 10 0 0 cm BT /R33 5.97760 Tf 1 0 0 1 60.14100 93.27700 Tm [ <03> -0.90058 ] TJ /R23 7.97010 Tf 4.31680 -2.81211 Td [ (This) -335.02400 (w) 10.01290 (ork) -335.98200 (is) -334.98800 (conducted) -336.01200 (during) -335.02100 (Chunshui) -335.98000 (Cao\047) 55.00600 (s) -334.99500 (and) -335.99400 (Xianming) -335.00100 (Liu\047) 54.97840 (s) ] TJ -14.34570 -9.46484 Td [ (internship) -250.01600 (at) -249.99200 (Institute) -249.98100 (of) -250.00400 (Deep) -249.99300 (Learning\054) -249.99000 (Baidu) -250.01400 (Research) ] TJ ET Q q 2126.22000 0 0 1362.05000 3206.75000 4128.06000 cm /R35 Do Q q 10 0 0 10 0 0 cm BT /R23 8.96640 Tf 1 0 0 1 308.86200 401.84700 Tm [ (Figure) -276.99400 (1\056) -277.01100 (Feedback) -277.00300 (Con) 40.00670 (v) 19.99650 (olutional) -277.01600 (Net) -277.01100 (model) -276.98900 (for) -277.01600 (capturing) -276.97800 (visual) ] TJ 10.95900 TL T* [ (attention) -262.00500 (by) -262.00200 (inferring) -263.00400 (the) -262.01300 (status) -261.99700 (of) -262.01900 (hidden) -262.01300 (neuron) -262.99400 (acti) 24.98480 (v) 25.00660 (ations\056) -346.01300 (It) -262.00800 (is) ] TJ T* [ (designed) -251.00500 (to) -252.01800 (utilize) -250.98300 (both) -252.01800 (bottom\055up) -251.01300 (image) -252.00400 (inputs) -251.00200 (and) -252.00400 (top\055do) 25.00110 (wn) -250.99100 (se\055) ] TJ T* [ (mantic) -270.98800 (labels) -270.99300 (to) -271.01200 (infer) -271.01500 (the) -270.98800 (hidden) -270.98800 (neuron) -271.01000 (acti) 24.98480 (v) 25.00660 (ations\056) -372.98000 (Salient) -271.01500 (areas) ] TJ T* [ (captured) -259.01600 (by) -257.99400 (feedback) -259 (often) -259.02100 (correspond) -258.01600 (to) -258.98600 (related) -259.00700 (\223tar) 17.99250 (get\224) -257.97800 (objects\054) ] TJ 10.95780 TL T* [ (e) 24.98750 (v) 14.98650 (en) -249.99700 (in) -250.01400 (images) -249.99500 (with) -250.01400 (cluttered) -249.97800 (background) -249.98900 (and) -250 (multiple) -249.99500 (objects\056) ] TJ /R23 9.96260 Tf 38.85390 TL T* [ (background) -250.99500 (\1333\135\056) -315.00600 (This) -250.99500 (leads) -251.98700 (to) -251.00700 (the) -251.00700 (selecti) 24.99090 (vity) -252.01200 (in) -251.00700 (neuron) -251.98200 (acti\055) ] TJ 11.95510 TL T* [ (v) 24.98110 (ations) -228.01300 (\13316\135\054) -231.99600 (which) -227.98600 (reduces) -228.00100 (the) -227.99100 (chance) -228.00600 (of) -228.00100 (recognition) -228.00600 (being) ] TJ T* [ (interfered) -249.99500 (with) -250.01500 (either) -249.99000 (noises) -250.01200 (or) -249.99700 (distracti) 25.00560 (v) 14.98280 (e) -250.00200 (patterns\056) ] TJ 11.95510 -11.98090 Td [ (Inspired) -342.98400 (by) -342.01200 (abo) 14.98280 (v) 14.98280 (e) -343.00700 (e) 25.01050 (vidences\054) -365.01800 (we) -343.00200 (present) -342.99200 (a) -341.98700 (no) 14.98770 (v) 14.98280 (el) ] TJ /R29 9.96260 Tf 201.80900 0 Td [ (F) 75.01200 (eed\055) ] TJ -213.76400 -11.95510 Td [ (bac) 20.00160 (k) -252.98200 (Con) 40.01540 (volutional) -253.98700 (Neur) 14.99750 (al) -253.00700 (Network) ] TJ /R23 9.96260 Tf 146.78400 0 Td [ (architecture) -253.01200 (in) -253.98700 (this) -252.99200 (pa\055) ] TJ -146.78400 -11.95510 Td [ (per) 55.00800 (\056) -368.01500 (It) -269.00900 (achie) 25.01540 (v) 14.98280 (es) -269.01100 (this) -268.98900 (selecti) 24.99090 (vity) -268.98900 (by) -269.00400 (jointly) -269.98900 (reasoning) -268.99400 (outputs) ] TJ T* [ (of) -279.01000 (class) -279.00200 (nodes) -278.99500 (and) -279.00700 (acti) 24.98110 (v) 24.98110 (ations) -278.98800 (of) -279.01200 (hidden) -278.98800 (layer) -279.01200 (neurons) -278.99300 (dur) 20.00160 (\055) ] TJ 11.95590 TL T* [ (ing) -360.00100 (the) -360.01100 (feedback) -359.98400 (loop\056) -639.98600 (As) -360.00900 (sho) 24.99090 (wn) -360.00900 (in) -360.00900 (Figure) -359.99400 (1\054) -388.00400 (during) -359.99400 (the) ] TJ 11.95510 TL T* [ (feedforw) 9.99343 (ard) -420.99100 (stage\054) -463.00900 (the) -420.98100 (proposed) -419.98400 (netw) 10.00810 (orks) -421.01300 (perform) -420.97900 (infer) 19.99670 (\055) ] TJ T* [ (ence) -190.99500 (from) -191.01700 (i) 0.98758 (nput) -191.00500 (images) -191.00500 (in) -191.01700 (a) -190.01200 (bo) -1.00964 (t) 0.98513 (tom\055up) -190.99800 (manner) -191.01700 (as) -190.98800 (traditional) ] TJ T* [ (Con) 40.01540 (v) 20.00160 (olutional) -225.01600 (Netw) 10.00570 (orks\073) -233 (while) -225.00200 (in) -225.01100 (feedback) -224.98700 (loops\054) -230.01100 (it) -225.00700 (sets) -225.00700 (up) ] TJ T* [ (high\055le) 24.99830 (v) 14.98280 (el) -289.98800 (semantic) -290.98600 (labels\054) -300.00900 (\050) ] TJ /R29 9.96260 Tf 113.24500 0 Td [ (e) 15.01220 (\056g) 14.98770 (\056) ] TJ /R23 9.96260 Tf 14.08710 0 Td [ (\054) -299.98400 (outputs) -291.01000 (of) -289.99100 (class) -290.02000 (nodes\051) -290.99600 (as) ] TJ -127.33200 -11.95630 Td [ (the) -326.99700 (\223goal\224) -327 (in) -326.01200 (visual) -327.01700 (search) -327.00900 (to) -326.99400 (infer) -325.98500 (the) -326.99400 (acti) 24.98110 (v) 24.98110 (ation) -326.98500 (status) -327.01400 (of) ] TJ T* [ (hidden) -288.98900 (layer) -289.01100 (neurons\056) -427.00500 (W) 79.98660 (e) -289.01600 (sho) 24.99090 (w) -289.00600 (that) -290.01500 (t) 0.98513 (he) -289.99100 (netw) 10.00810 (ork) -289.00600 (is) -288.99600 (po) 24.98600 (wer) 19.99180 (\055) ] TJ T* [ (ful) -308.01700 (enough) -308.00700 (to) -308.01500 (apply) -308.01000 (for) -307.99000 (class) -308.01700 (model) -308.00300 (visualization) -308.01700 (\13324\054) -308.01700 (33\135\054) ] TJ T* [ (object) -249.98300 (localization) -250.00200 (\13324\135) -249.99500 (and) -249.99300 (image) -249.98300 <636c6173736902636174696f6e> -249.98800 (\13315\135\056) ] TJ /R19 9.96260 Tf 11.95470 -11.98090 Td [ (Optimization) -389.98900 (in) -389.01100 (a) -390.00800 (F) 25.02030 (eedback) -388.99900 (Loop) ] TJ /R23 9.96260 Tf 148.12700 0 Td [ (\072) -588.99500 (From) -389.98400 (a) -388.99900 (machine) ] TJ -160.08200 -11.95510 Td [ (learning) -332.98600 (perspecti) 24.99090 (v) 14.98280 (e\054) -353.98300 (the) -332.99600 (proposed) -333.01800 (feedback) -333.98800 (netw) 10.00810 (orks) ] TJ /R29 9.96260 Tf 221.30600 0 Td (add) Tj -221.30600 -11.95510 Td [ (e) 19.99180 (xtr) 14.98770 (a) -303.98400 <0365> 19.99670 (xibility) -305.01500 (to) -304.01500 (Con) 40.01540 (volutional) -304.01800 (Networks\054) -317.98100 (to) -304.01800 (help) -304.01300 (in) -304.99800 (cap\055) ] TJ T* [ (turing) -509.01800 (visual) -510.00600 (attention) -509.00800 (and) -508.99800 (impr) 44.99250 (o) 10.00320 (ving) -508.99800 (featur) 36.99870 (e) -509.99800 (detection) ] TJ /R23 9.96260 Tf 233.75900 0 Td (\056) Tj -247.50000 -29.88790 Td (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 q 1 0 0 1 0 0 cm BT /F1 12 Tf 14.40000 TL ET 1 1 1 rg n 270 47 72 14 re f* 0.50000 0.50000 0.50000 rg BT /F2 9 Tf 10.80000 TL ET BT 1 0 0 1 297 50 Tm (2956) Tj T* ET Q endstream endobj 14 0 obj << /Filter /FlateDecode /Resources << /ExtGState << /a0 << /CA 1 /ca 1 >> >> /XObject << /x18 15 0 R >> >> /Length 28 /Group << /Type /Group /S /Transparency /CS /DeviceRGB /I true >> /BBox [ 78 746 96 765 ] /Type /XObject /Subtype /Form >> stream x+O4PH/VЯ0Pp 0 endstream endobj 15 0 obj << /Filter /FlateDecode /Resources 16 0 R /Length 107 /Type /XObject /BBox [ 78 746 96 765 ] /Subtype /Form >> stream xe AC̬wʠ =p,?]%+H-
Jc "82w8VSnGW;" endstream endobj 16 0 obj << /ExtGState << /a0 << /CA 1 /ca 1 >> >> >> endobj 17 0 obj << /Filter /FlateDecode /Resources << /ExtGState << /a0 << /CA 1 /ca 1 >> >> /XObject << /x15 18 0 R >> >> /Length 28 /Group << /Type /Group /S /Transparency /CS /DeviceRGB /I true >> /BBox [ 67 752 84 775 ] /Type /XObject /Subtype /Form >> stream x+O4PH/VЯ04Up 0 endstream endobj 18 0 obj << /Filter /FlateDecode /Resources 19 0 R /Length 228 /Type /XObject /BBox [ 67 752 84 775 ] /Subtype /Form >> stream xeQKn!s ?FPav6R٪TS. b];15YyR {7QL.\:Rv/x9l+L7h%1!}i/AI(kz"U&,YO![R hg{3}4/GyYF:!w}Gn+'xJcO9i뽼_-:` endstream endobj 19 0 obj << /ExtGState << /a0 << /CA 1 /ca 1 >> >> >> endobj 20 0 obj << /Filter /DCTDecode /BitsPerComponent 8 /Height 385 /Length 20038 /ColorSpace /DeviceRGB /Width 601 /Subtype /Image >> stream Adobe d C $, !$4.763.22:ASF:=N>22HbINVX]^]8EfmeZlS[]Y C**Y;2;YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY Y" } !1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w !1AQaq"2B #3Rbr $4%&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz ? ( ( ( ( (Fv8U&EaZx.$V(Q{/Ϲ^{i^B:= [ErzŅ_=d*|]=62Ɏ3!a3@(w& %ݹd7AqS^ wLKϳ}t=u8>ES5]:fp}p~on4oɷ1Z آJmJOYbw[{⥋[E\ik3lIYǟs 袹CYx=,zG-*Ƿ tT7RI DFe=x}OVMϿ>[&:sZ 袊 ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ) 6FV> ƷΕm/*ܯY1XR]oJwA ׯD;ß= * 'tknAڈ hW苍Z+0Ԧ[D]ߘ 5sSj6i2' jqA57Y&E}v#- Ü`s][U;f8]`4lOLmXu7c՛/*:x/Jt5*k+a -Ly.{?aO~WoEs]Ie \eʹ=Zv/#څO[|B'm+,FV8<: #]rzq\͆Nv0*N ,&&>e$qδ|8 ^W]Ļbkw#z5~: xU6q" \|=e-.9>( ( ( ( ( ( ( ( ( ( ( ( ( ( (3o#+P25 jq u^0 JaqTsWP ۏh?E \??u @?u ]Cn?tP]Cn?WP ۏjsWP ۏh?E \??u @?u ]Cn?tP]Cn?WP ۏjsWP ۏh?E \??u @ u ϴM =d pPCEPEPEPEPEPEPEPEUӭDN2I MdZή<}"Ѿ1 garAEa 53o _?Fk:@ {E GcG@VQKW8#j ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( (0