%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 12 0 R ] /Type /Pages /Count 10 >> endobj 2 0 obj << /Title (Structured Images for RGB\055D Action Recognition) /Producer (PyPDF2) /Author (Pichao Wang\054 Shuang Wang\054 Zhimin Gao\054 Yonghong Hou\054 Wanqing Li) /Subject (2017 IEEE International Conference on Computer Vision) >> endobj 3 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 14 0 R /Resources << /XObject << /x8 15 0 R /R59 18 0 R /R58 19 0 R /x6 20 0 R /x12 23 0 R /x10 26 0 R >> /ExtGState << /s9 29 0 R /s11 32 0 R /R41 35 0 R /a0 << /CA 1 /ca 1 >> /s5 36 0 R /s7 39 0 R >> /Font << /R48 42 0 R /R54 46 0 R /R46 49 0 R /R56 52 0 R /R44 56 0 R /R50 60 0 R /R42 63 0 R /R52 67 0 R /F2 71 0 R /F1 72 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 73 0 R 74 0 R 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 85 0 R 86 0 R 87 0 R 88 0 R 89 0 R 90 0 R 91 0 R 92 0 R 93 0 R 94 0 R 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 ] >> endobj 4 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 105 0 R /Resources << /XObject << /R98 106 0 R /R99 107 0 R /R89 108 0 R /R90 109 0 R /R91 110 0 R /R92 111 0 R /R93 112 0 R /R87 113 0 R /R86 114 0 R /R85 115 0 R /R84 116 0 R /R101 117 0 R /R100 118 0 R /R95 119 0 R /R94 120 0 R /R96 121 0 R /R97 122 0 R >> /ExtGState << /R88 123 0 R /R41 35 0 R >> /Font << /R54 46 0 R /F2 124 0 R /F1 125 0 R /R44 56 0 R /R42 63 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 126 0 R 127 0 R 128 0 R 129 0 R 130 0 R 131 0 R 132 0 R 133 0 R 134 0 R 135 0 R 136 0 R 137 0 R 138 0 R 139 0 R 140 0 R 141 0 R 142 0 R ] >> endobj 5 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 143 0 R /Resources << /XObject << /R127 144 0 R /R126 145 0 R /R123 146 0 R /R122 147 0 R /R121 148 0 R /R120 149 0 R /R129 150 0 R /R128 151 0 R /R130 152 0 R /R118 153 0 R /R119 154 0 R /R112 155 0 R /R113 156 0 R /R111 157 0 R /R114 158 0 R /R115 159 0 R >> /ExtGState << /R88 123 0 R /R141 160 0 R /R41 35 0 R >> /Font << /R142 161 0 R /R54 46 0 R /F1 165 0 R /R44 56 0 R /R116 166 0 R /R42 63 0 R /R52 67 0 R /F2 170 0 R /R131 171 0 R /R133 175 0 R /R135 179 0 R /R137 182 0 R /R124 187 0 R /R139 191 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] /ColorSpace << /R110 195 0 R >> >> /MediaBox [ 0 0 612 792 ] /Annots [ 197 0 R 198 0 R ] >> endobj 6 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 199 0 R /Resources << /XObject << /R158 200 0 R /R159 201 0 R >> /ExtGState << /R41 35 0 R >> /Font << /F2 202 0 R /R131 171 0 R /F1 203 0 R /R135 179 0 R /R137 182 0 R /R54 46 0 R /R44 56 0 R /R42 63 0 R /R52 67 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 204 0 R 205 0 R 206 0 R 207 0 R 208 0 R 209 0 R ] >> endobj 7 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 210 0 R /Resources << /XObject << /R181 211 0 R /R180 212 0 R /R183 213 0 R /R182 214 0 R /R185 215 0 R /R184 216 0 R /R187 217 0 R /R186 218 0 R /R189 219 0 R /R188 220 0 R /R179 221 0 R >> /ExtGState << /R88 123 0 R /R141 160 0 R /R41 35 0 R >> /Font << /R177 222 0 R /R54 46 0 R /R44 56 0 R /R42 63 0 R /F2 226 0 R /R131 171 0 R /F1 227 0 R /R135 179 0 R /R137 182 0 R /R139 191 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 228 0 R 229 0 R 230 0 R 231 0 R 232 0 R 233 0 R 234 0 R 235 0 R 236 0 R 237 0 R 238 0 R ] >> endobj 8 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 239 0 R /Resources << /ExtGState << /R41 35 0 R >> /Font << /R54 46 0 R /F2 240 0 R /F1 241 0 R /R44 56 0 R /R42 63 0 R >> /ProcSet [ /ImageC /Text /PDF /ImageI /ImageB ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 242 0 R 243 0 R 244 0 R 245 0 R 246 0 R 247 0 R 248 0 R 249 0 R 250 0 R 251 0 R 252 0 R 253 0 R ] >> endobj 9 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 254 0 R /Resources << /ColorSpace << /R233 255 0 R >> /ExtGState << /R41 35 0 R >> /Font << /R44 56 0 R /R54 46 0 R /R234 256 0 R /R42 63 0 R /F2 259 0 R /F1 260 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 261 0 R 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 10 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 281 0 R /Resources << /ColorSpace << /R233 255 0 R >> /ExtGState << /R41 35 0 R >> /Font << /F2 282 0 R /R54 46 0 R /F1 283 0 R /R259 284 0 R /R255 287 0 R /R257 290 0 R /R44 56 0 R /R42 63 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 293 0 R 294 0 R 295 0 R 296 0 R 297 0 R 298 0 R 299 0 R 300 0 R 301 0 R 302 0 R 303 0 R 304 0 R 305 0 R 306 0 R ] >> endobj 11 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 307 0 R /Resources << /ExtGState << /R41 35 0 R >> /Font << /F2 308 0 R /F1 309 0 R /R44 56 0 R /R42 63 0 R /R52 67 0 R >> /ProcSet [ /ImageC /Text /PDF /ImageI /ImageB ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 310 0 R 311 0 R 312 0 R 313 0 R 314 0 R 315 0 R 316 0 R 317 0 R 318 0 R 319 0 R 320 0 R 321 0 R 322 0 R 323 0 R 324 0 R 325 0 R 326 0 R 327 0 R 328 0 R 329 0 R 330 0 R 331 0 R 332 0 R 333 0 R 334 0 R 335 0 R 336 0 R 337 0 R 338 0 R 339 0 R 340 0 R 341 0 R 342 0 R 343 0 R 344 0 R 345 0 R 346 0 R 347 0 R 348 0 R 349 0 R 350 0 R 351 0 R 352 0 R 353 0 R 354 0 R 355 0 R 356 0 R 357 0 R 358 0 R 359 0 R 360 0 R 361 0 R 362 0 R 363 0 R 364 0 R 365 0 R ] >> endobj 12 0 obj << /Parent 1 0 R /Rotate 0 /Type /Page /Contents 366 0 R /Resources << /ExtGState << /R41 35 0 R >> /Font << /F2 367 0 R /F1 368 0 R /R44 56 0 R /R52 67 0 R >> /ProcSet [ /ImageC /Text /PDF /ImageI /ImageB ] >> /MediaBox [ 0 0 612 792 ] /Annots [ 369 0 R 370 0 R 371 0 R 372 0 R 373 0 R 374 0 R 375 0 R 376 0 R 377 0 R 378 0 R 379 0 R 380 0 R 381 0 R 382 0 R 383 0 R 384 0 R ] >> endobj 13 0 obj << /Type /Catalog /Pages 1 0 R >> endobj 14 0 obj << /Length 21987 >> stream q q q 0.10000 0 0 0.10000 0 0 cm /R41 gs 0 g q 10 0 0 10 0 0 cm BT /R42 14.34620 Tf 1 0 0 1 144.31700 675.06700 Tm [ (Structur) 18.01250 (ed) -250.00500 (Images) -249.99100 (f) 24.99230 (or) -249.99500 (RGB\055D) -250.01000 (Action) -249.99600 (Recognition) ] TJ /R44 11.95520 Tf -30.43010 -37.85820 Td [ (Pichao) -250 (W) 80 (ang) ] TJ /R46 7.97010 Tf 63.12190 4.33906 Td [ (1) -0.29866 ] TJ /R48 7.97010 Tf 4.73320 0 Td [ <03> -0.29866 ] TJ /R44 11.95520 Tf 4.33906 TL T* [ (\054) -250.01200 (Shuang) -249.99100 (W) 80 (ang) ] TJ /R46 7.97010 Tf 72.42380 4.33906 Td [ (2) -0.30019 ] TJ /R48 7.97010 Tf 4.73203 0 Td [ <03> -0.30019 ] TJ /R44 11.95520 Tf T* [ (\054) -250.01200 (Zhimin) -250.00200 (Gao) ] TJ /R46 7.97010 Tf 64.09100 4.33906 Td [ (1) -0.30019 ] TJ /R44 11.95520 Tf 4.73281 -4.33906 Td [ (\054) -250.01200 (Y) 110.01600 (onghong) -250.00200 (Hou) ] TJ /R46 7.97010 Tf 78.71210 4.33906 Td [ (2) -0.30019 ] TJ /R48 7.97010 Tf 4.73320 0 Td [ (y) -0.20217 ] TJ /R44 11.95520 Tf 2.98906 -4.33906 Td [ (and) -249.98500 (W) 79.99840 (anqing) -250.00200 (Li) ] TJ /R46 7.97010 Tf 76.73870 4.33906 Td [ (1) -0.30019 ] TJ -366.43700 -13.94800 Td [ (1) -0.29866 ] TJ /R44 11.95520 Tf 4.73164 -4.33789 Td [ (Adv) 25.00690 (anced) -250.00300 (Multimedia) -249.98900 (Research) -250.00600 (Lab\054) -250.00400 (Uni) 24.99570 (v) 14.98510 (ersity) -249.98900 (of) -250.01400 (W) 80 (ollongong\054) -250.00600 (Australia) ] TJ /R46 7.97010 Tf -0.12266 -9.61016 Td [ (2) -0.29866 ] TJ /R44 11.95520 Tf 4.73164 -4.33789 Td [ (School) -250.00400 (of) -250.01500 (Electronic) -249.99500 (Information) -250.00400 (Engineering\054) -249.98500 (T) 34.98980 (ianjin) -249.99300 (Uni) 24.99570 (v) 14.98510 (ersity) 64.98870 (\054) -250.01000 (China) ] TJ /R50 7.97010 Tf -77.70980 -13.94800 Td (pw212\100uowmail\056edu\056au\054wangshuang1993\100tju\056edu\056cn\054zg126\100uowmail\056edu\056au\054houroy\100tju\056edu\056cn\054wanqing\100uow\056edu\056au) Tj /R42 11.95520 Tf 89.90590 -41.04610 Td (Abstract) Tj /R52 9.96260 Tf -83.92770 -24.84490 Td [ (This) -309.99400 (paper) -310.01000 (pr) 36.98520 (esents) -310.01100 (an) -310.01700 (ef) 18 (fective) -309.98400 (yet) -309.99000 (simple) -310.00200 (video) -310.01900 (r) 37.01830 (epr) 36.98160 (e\055) ] TJ -11.95510 -11.95510 Td [ (sentation) -277.00800 (for) -278.01400 (RGB\055D) -277.00300 (based) -278.01500 (action) -276.98800 (r) 37.01960 (eco) 9.99588 (gnition\056) -392.00800 (It) -277.98800 (pr) 44.98510 (oposes) ] TJ 11.95510 TL T* [ (to) -239.00700 (r) 37.01960 (epr) 36.98100 (esent) -239.98900 (a) -239.01400 (depth) -239 (map) -239.00700 (sequence) -239.99500 (into) -238.99400 (thr) 36.99140 (ee) -238.99000 (pair) 9.98118 (s) -239.01400 (of) -239.98700 (struc\055) ] TJ T* [ (tur) 36.99260 (ed) -261.01500 (dynamic) -261 (ima) 10.01300 (g) 10.00320 (es) -261.01400 (at) -261.00300 (body) 54.98220 (\054) -263.99300 (part) -260.99200 (and) -261.98100 (joint) -260.98300 (le) 14.98030 (vels) -261.01000 (r) 37.01830 (espec\055) ] TJ T* [ (tively) -402.98300 (thr) 44.99130 (ough) -403.99100 (bidir) 37.00490 (ectional) -403.00300 (r) 14.98400 (ank) -402.98500 (pooling) 15.01710 (\056) -769.98700 (Dif) 18.01420 (fer) 36.98400 (ent) -404.00400 (fr) 44.98510 (om) ] TJ T* [ (pr) 36.98520 (e) 15.01280 (vious) -252.01700 (works) -252.01100 (that) -252.01200 (applied) -252.00600 (one) -253.01000 (Con) 40.01660 (volut) 1 (ional) -252.98700 (Neur) 14.99750 (al) -251.98500 (Net\055) ] TJ 11.95590 TL T* [ (work) -314.98600 (\050Con) 40.01350 (vNet\051) -314.01700 (for) -314.98800 (eac) 15.01340 (h) -315.00100 (part\057joint) -314.00300 (separ) 14.99500 (ately) 54.98100 (\054) -331.00100 (one) -315.00100 (pair) -314.98400 (of) ] TJ 11.95510 TL T* [ (structur) 37.01280 (ed) -275.01200 (dynamic) -276.01600 (ima) 10.01300 (g) 10.00320 (es) -275.99200 (is) -275 (constructed) -275.99800 (fr) 44.98510 (om) -275.00600 (depth) -276.01500 (maps) ] TJ T* [ (at) -290.99800 (eac) 15.01340 (h) -291.98600 (gr) 14.98890 (anularity) -291.00700 (le) 14.98030 (vel) -291.01100 (and) -292.01500 (serves) -291.00500 (as) -290.99800 (the) -291.98300 (input) -290.98100 (of) -290.99800 (a) -291.98600 (Con\055) ] TJ T* [ (vNet\056) -360.00400 (The) -266.99900 (structur) 37.01220 (ed) -267.01300 (dynamic) -266.99800 (ima) 10.01300 (g) 10.00320 (e) -266 (not) -266.99700 (only) -267.00200 (pr) 36.98650 (eserves) -267.01400 (the) ] TJ T* [ (spatial\055tempor) 15 (al) -356.00700 (information) -357.01500 (b) 20.00160 (ut) -356.00700 (also) -355.99600 (enhances) -356.00700 (the) -356.99200 (struc\055) ] TJ 11.95630 TL T* [ (tur) 36.99260 (e) -373 (information) -373.01300 (acr) 45.01940 (oss) -372 (both) -373.01400 (body) -372.98600 (parts\057joints) -373.00100 (and) -372.98200 (dif) 18.01660 (fer) 20.00650 (\055) ] TJ 11.95470 TL T* [ (ent) -316.99800 (tempor) 15 (al) -316.99400 (scales\056) -510.99400 (In) -317.98500 (addition\054) -332.99300 (it) -318.01100 (r) 37.01960 (equir) 38.01330 (es) -317.98400 (low) -316.98100 (computa\055) ] TJ T* [ (tional) -287.99400 (cost) -288.99600 (and) -288.01600 (memory) -287.98300 (to) -288.01800 (construct\056) -424.99200 (This) -287.99900 (ne) 15.01710 (w) -288.99800 (r) 37.01830 (epr) 36.98160 (esenta\055) ] TJ T* [ (tion\054) -234.99300 (r) 37.01960 (eferr) 36.98460 (ed) -231.02000 (to) -231.98800 (as) -231.00900 (Spatially) -231.99600 (Structur) 37.01100 (ed) -231.02000 (Dynamic) -231.00600 (Depth) -231.98600 (Im\055) ] TJ T* [ (a) 10.00320 (g) 10.00320 (es) -228 (\050S) ] TJ /R54 6.97380 Tf 28.63670 3.61523 Td [ (2) -0.49974 ] TJ /R52 9.96260 Tf 4.46914 -3.61523 Td [ (DDI\051\054) -228 (a) 10.00320 (g) 10.00320 (gr) 36.98520 (e) 39.98840 (gates) -229.00200 (fr) 44.98640 (om) -227.99400 (global) -228.98600 (to) -227.98900 <026e652d6772> 14.99260 (ained) -229.00300 (le) 14.98030 (vels) ] TJ -33.10590 -11.95510 Td [ (motion) -278 (and) -278.99700 (structur) 37.01220 (e) -277.99800 (information) -278.00900 (in) -279 (a) -277.98800 (depth) -278.01500 (sequence) 10.00320 (\054) -285.98900 (and) ] TJ 11.95590 TL T* [ (enables) -252.01700 (us) -251.00600 (to) -251.98500 <026e652d74756e65> -251.00200 (the) -251.99000 (e) 19.99180 (xisting) -252.00300 (Con) 40.01540 (vNet) -251.00500 (models) -252.01400 (tr) 14.99010 (ained) ] TJ 11.95510 TL T* [ (on) -219.01200 (ima) 10.01360 (g) 10.00320 (e) -220.00700 (data) -219 (for) -219.98400 <636c6173736902636174696f6e> -219.00400 (of) -219.99000 (depth) -219.00500 (sequences\054) -225.98900 (without) ] TJ T* [ (a) -275.00800 (need) -273.99200 (for) -274.99500 (tr) 14.99140 (aining) -273.99800 (the) -275.00600 (models) -274.99100 (afr) 36.99260 (esh\056) -382.98500 (The) -274.99800 (pr) 44.98510 (oposed) -274.99100 (r) 37.01830 (epr) 36.98160 (e\055) ] TJ T* [ (sentation) -295.00500 (is) -296.01600 (e) 15.01220 (valuated) -294.98400 (on) -296.01900 <027665> -295.01300 (benc) 15.01830 (hmark) -296.01400 (datasets\054) -307.00800 (namely) 54.98350 (\054) ] TJ T* [ (MSRAction3D\054) -305.00200 (G3D\054) -304.01400 (MSRDailyActivity3D\054) -304.98800 (SYSU) -304 (3D) -305 (HOI) ] TJ T* [ (and) -253.98200 (UTD\055MHAD) -254.00800 (datasets) -254 (and) -253.98200 (a) -1.01454 (c) 15.01220 (hie) 14.98520 (ves) -254 (the) -253.98900 (state\055of\055the\055art) ] TJ 11.95590 TL T* [ (r) 37.01960 (esults) -250.01000 (on) -249.98800 (all) -250.01700 <027665> -250.00100 (datasets\056) ] TJ /R42 11.95520 Tf 38.66800 TL T* [ (1\056) -249.99000 (Intr) 18.01460 (oduction) ] TJ /R44 9.96260 Tf 11.95510 -19.86290 Td [ (Human) -431.00500 (action) -429.99100 (recognition) -430.99200 (from) -429.99600 (RGB\055D) -430.99700 (\050Red\054) -475.98700 (Green\054) ] TJ -11.95510 -11.95510 Td [ (Blue) -506.99300 (and) -507.98800 (Depth\051) -507.00100 (data) -507.99000 (has) -507.00600 (attracted) -507.00700 (increasing) -508.01300 (attention) ] TJ 11.95630 TL T* [ (in) -390.98100 (computer) -391.01000 (vision) -392.01700 (in) -390.98100 (recent) -390.99700 (years) -390.99500 (due) -390.98900 (to) -392 (the) -390.98600 (adv) 24.98110 (antages) ] TJ 11.95470 TL T* [ (of) -414.00800 (depth) -413.99200 (information) -414.00600 (o) 14.98280 (v) 14.98280 (er) -414.01700 (con) 40 (v) 14.98280 (entional) -415.00200 (RGB) -414.01900 (video\054) -455.00300 (typ\055) ] TJ T* [ (ically) 64.98730 (\054) -438.98300 (being) -401.99400 (insensiti) 24.98360 (v) 14.98280 (e) -400.99700 (to) -401.01900 (illumination) -402.01900 (changes) -400.98500 (and) -402.00600 (reli\055) ] TJ T* [ (able) -358.01500 (to) -358.98700 (estimat) 1.01086 (e) -359.00400 (body) -358 (silhouette) -358.01600 (and) -358.99300 (sk) 10.01060 (eleton) -358.00400 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 242.13100 136.19900 Tm (26) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 252.09400 136.19900 Tm [ (\135\056) -634.99200 (Since) ] TJ -201.98200 -11.95510 Td [ (the) -346.01300 <02727374> -345.01600 (w) 10.00140 (ork) -346.01300 (of) -345 (such) -346.00800 (a) -345.98600 (type) -344.98900 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 173.71800 124.24400 Tm (18) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 183.68100 124.24400 Tm [ (\135) -345.98500 (reported) -346.01300 (in) -344.98900 (2010\054) -369.99500 (man) 14.99010 (y) ] TJ -133.56900 -11.95510 Td [ (methods) -478.98200 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 91.96480 112.28900 Tm (1) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 96.94610 112.28900 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 104.19900 112.28900 Tm (23) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 114.16100 112.28900 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 121.42400 112.28900 Tm (41) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 131.38700 112.28900 Tm [ (\135) -478.98300 (ha) 19.99790 (v) 14.98280 (e) -478.98400 (been) -477.99700 (proposed) -478.99400 (based) -479.01100 (on) -479.00800 (spe\055) ] TJ ET Q 3.98000 w 0 G 501.12100 1002.18000 m 1446.11000 1002.18000 l S q 10 0 0 10 0 0 cm BT /R56 5.97760 Tf 1 0 0 1 60.14100 93.61600 Tm [ <03> -0.90058 ] TJ /R44 7.97010 Tf 4.31680 -2.81289 Td [ (Both) -250.02000 (authors) -250.01700 (contrib) 19.99660 (uted) -250.01900 (equally) -250.01700 (to) -250.01300 (this) -250.00700 (w) 10.01210 (ork) ] TJ /R56 5.97760 Tf -3.92969 -6.99023 Td [ (y) -0.10006 ] TJ /R44 7.97010 Tf 3.92969 -2.81289 Td [ (Corresponding) -250 (author) ] TJ ET Q q 3093.18000 4782.47000 1215.34000 847.08600 re W n q 1215.44000 0 0 -850.95900 3093.13000 5629.60000 cm /R58 Do Q Q q 4274.60000 4782.47000 1215.34000 847.08600 re W n q 1215.44000 0 0 -850.95900 4274.55000 5629.60000 cm /R59 Do Q Q q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 308.86200 449.95300 Tm [ (Figure) -236.01500 (1\072) -302.99600 (The) -235.99500 (dif) 24.98600 (ferences) -236.01500 (between) -235.99500 (DI) -236 (\050left\051) -236 (and) -235.99500 (DDI) -236 (\050right\051) ] TJ 11.95510 TL T* [ (for) -238.98200 (action) -239.98400 (\223drink\224) -239.00900 (from) -239.98900 (MSRDailyActi) 25.00560 (vity3D) -238.98500 (Dataset) -239.98900 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 529.34400 437.99800 Tm (34) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 539.30600 437.99800 Tm (\135\056) Tj -230.44400 -11.95510 Td [ (The) -247.99300 (DI) -249.01700 (has) -247.99000 (much) -248.02000 (interference) -248.00300 (of) -249.01700 (te) 14.98280 (xture) -247.98800 (information) -247.99300 (on) -249.00700 (the) ] TJ 11.95510 TL T* [ (body) -250.01700 (compared) -249.98800 (with) -250.01500 (DDI\056) ] TJ 33.84180 TL T* [ <63690263> -326.01200 (hand\055crafted) -327.00400 (feature) -325.99000 (descriptors) -327.01900 (e) 15.01220 (xtracted) -326.01400 (from) -326.99400 (depth) ] TJ 11.95510 TL T* [ (and\057or) -235.98500 (sk) 10.01060 (eleton) -235.98500 (data\056) -305.00300 (Most) -236.01000 (of) -235.02000 (pre) 25.01050 (vious) -236.01000 (methods) -236.00500 (emplo) 9.98363 (y) -235.99500 (ag\055) ] TJ T* [ (gre) 15.01470 (g) 4.98446 (ation) -234.02000 (of) -233.99800 (local) -235.01000 (video) -233.98300 (descriptors) -234.01500 (to) -233.99000 (pro) 14.98280 (vide) -233.98500 (in) 40.00310 (v) 24.98110 (ariance) -234.99000 (to) ] TJ T* [ (v) 24.98110 (ariations) -343.99700 (in) -344.00900 (the) -344.01400 (video\056) -592 (Ho) 24.98600 (we) 25.01540 (v) 14.98280 (er) 39.98350 (\054) -368.01200 (these) -344.01100 (methods) -343.98700 (may) -344.00600 (f) 9.99343 (ail) ] TJ 11.95630 TL T* [ (to) -231.00800 (capture) -231.02000 (important) -229.99800 (spatio\055temporal) -231.01000 (and) -231.01500 (structure) -231.00600 (informa\055) ] TJ 11.95470 TL T* [ (tion) -250.01200 (at) -249.99500 (the) -249.99000 (same) -249.98800 (time\056) ] TJ 11.95510 -12.13830 Td [ (W) 39.99330 (ith) -443.98500 (the) -443.01700 (recent) -444.00900 (de) 25.01540 (v) 14.98280 (elopment) -442.99000 (of) -444.00400 (deep) -442.98500 (learning\054) -492.01600 (a) -444.00900 (fe) 25.00560 (w) ] TJ -11.95510 -11.95590 Td [ (methods) -281.99500 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 348.75200 296.37600 Tm (35) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 358.71500 296.37600 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 364.01500 296.37600 Tm (36) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 373.97700 296.37600 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 379.27700 296.37600 Tm (8) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 384.25900 296.37600 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 389.55900 296.37600 Tm (38) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 399.52100 296.37600 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 404.82100 296.37600 Tm (45) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 414.78400 296.37600 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 420.08400 296.37600 Tm (24) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 430.04600 296.37600 Tm [ (\135) -281.99700 (ha) 19.99670 (v) 14.98280 (e) -283.01700 (been) -281.99200 (de) 25.01540 (v) 14.98280 (eloped) -282.01700 (based) ] TJ -121.18400 -11.95510 Td [ (on) -304.99800 (Con) 40.01540 (v) 20.00160 (olutional) -303.98400 (Neural) -305.00500 (Netw) 10.00810 (ork) -303.98400 (\050Con) 40.01290 (vNet\051) -304.99800 (or) -305.00800 (Recurrent) ] TJ 11.95510 TL T* [ (Neural) -325.98200 (Netw) 10.00570 (ork) -326.99700 (\050RNN\051\056) -326.99000 (Ho) 24.98600 (we) 25.01540 (v) 14.98280 (er) 39.98350 (\054) -344.99600 (it) -326.99000 (remains) -326.00400 (unclear) -327.00400 (ho) 24.98600 (w) ] TJ T* [ (video) -260.01800 (could) -260.01800 (be) -261.01500 (ef) 25.00810 (fecti) 25.01790 (v) 14.98280 (ely) -259.98600 (represented) -259.99100 (and) -259.99100 (fed) -260 (to) -259.98600 (deep) -261.01500 (neu\055) ] TJ T* [ (ral) -317.98600 (netw) 10.00810 (orks) -318.01300 (for) -317.98900 <636c6173736902636174696f6e2e> -515.00200 (F) 14.99260 (or) -317.98600 (e) 15.01220 (xample\054) -335.01800 (one) -319 (can) -317.99100 (con\055) ] TJ T* [ (v) 14.98280 (entionally) -501.01400 (consider) -500.99700 (a) -501.01900 (video) -500.99500 (as) -501.01400 (a) -501.01900 (sequence) -501.99000 (of) -501.01400 (still) -501.01900 (im\055) ] TJ 11.95590 TL T* [ (ages) -273.99100 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 332.61300 224.64500 Tm (40) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 342.57500 224.64500 Tm [ (\135) -273.99600 (with) -274.01100 (some) -274.01300 (form) -273.98400 (of) -273.99300 (temporal) -274.98800 (smoothnes) 0.99003 (s) -275.00800 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 516.65200 224.64500 Tm (27) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 526.61400 224.64500 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 531.83500 224.64500 Tm (15) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 541.79700 224.64500 Tm (\135) Tj -232.93500 -11.95510 Td [ (and) -209.01900 (feed) -210.01200 (them) -209.00400 (into) -210.01900 (a) -208.99000 (Con) 40.01540 (vNet\054) -217.98800 (or) -208.98500 (e) 15.01220 (xtend) -209.00400 (Con) 40.01780 (vNet) -209.99400 (to) -209.01400 (a) -210.00900 (third\054) ] TJ 11.95510 TL T* [ (temporal) -206.02000 (dimension) -205.99500 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 393.21600 200.73500 Tm (16) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 403.17800 200.73500 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 407.72100 200.73500 Tm (30) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 417.68400 200.73500 Tm [ (\135) -206.01000 (by) -205.99500 (replacing) -205.99000 (2D) -207.01400 <026c74657273> -206.01500 (with) -205.98000 (3D) ] TJ -108.82100 -11.95510 Td [ (ones\054) -296.01400 (or) -287.00800 (re) 15.00980 (g) 4.98446 (ard) -287.01300 (the) -287.00400 (video) -286.99400 (as) -287.01100 (the) -287.00100 (output) -287.01600 (of) -287.01100 (a) -287.01600 (neural) -287.00600 (netw) 10.00810 (ork) ] TJ 11.95510 TL T* [ (encoder) -228.98400 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 345.99300 176.82500 Tm (29) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 355.95500 176.82500 Tm [ (\135\054) -234 (or) -229.01800 (treat) -229.01800 (the) -229.99300 (video) -229.00100 (as) -229.02100 (a) -230.00600 (sequence) -229.01600 (of) -229.02100 (images) -230.02000 (and) ] TJ -47.09300 -11.95470 Td [ (feed) -226.00900 (the) -225.99400 (sequence) -225.99700 (to) -225.98900 (a) -226.00600 (RNN) -225.00200 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 424.71700 164.87000 Tm (7) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 429.69800 164.87000 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 434.44100 164.87000 Tm (8) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 439.42200 164.87000 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 444.16400 164.87000 Tm (31) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 454.12700 164.87000 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 458.86900 164.87000 Tm (45) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 468.83100 164.87000 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 473.57300 164.87000 Tm (25) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 483.53600 164.87000 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 488.27800 164.87000 Tm (24) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 498.24100 164.87000 Tm [ (\135\054) -230.98100 (or) -226.00100 (encode) ] TJ -189.37900 -11.95630 Td [ (the) -221.99500 (video) -221.98500 (into) -222.01700 (motion) -222 (images) -222.02200 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 429.50900 152.91400 Tm (35) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 439.47200 152.91400 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 444.17400 152.91400 Tm (36) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 454.13700 152.91400 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 458.83900 152.91400 Tm (38) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 468.80200 152.91400 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 473.50400 152.91400 Tm (2) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 478.48500 152.91400 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 483.18800 152.91400 Tm (37) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 493.15000 152.91400 Tm [ (\135\056) -301.00900 (Which) -221.98700 (one) ] TJ -184.28800 -11.95510 Td [ (among) -260.01300 (these) -259.00600 (and) -259.99100 (other) -259.00600 (possibilities) -260 (w) 10.00320 (ould) -258.99100 (result) -260.01500 (in) -259.00600 (the) -259.98600 (best) ] TJ 11.95470 TL T* [ (representation) -250.01200 (is) -249.98500 (not) -250.02000 (well) -249.98500 (understood\056) ] TJ 11.95510 -12.13910 Td [ (Inspired) -391.99600 (by) -390.98400 (the) -392.00600 (promising) -390.98400 (performance) -392.01300 (of) -390.99400 (recently) -392.00300 (in\055) ] TJ -11.95510 -11.95510 Td [ (troduced) -366.98300 (rank) -366.01500 (pooling) -366.99800 (machine) -366.98300 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 443.55600 104.91000 Tm (10) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 453.51900 104.91000 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 459.65600 104.91000 Tm (2) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 464.63700 104.91000 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 470.78400 104.91000 Tm (9) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R44 9.96260 Tf 1 0 0 1 475.76500 104.91000 Tm [ (\135) -367.00200 (on) -366.00800 (RGB) -367.00700 (video\054) ] TJ -166.90300 -11.95510 Td [ (this) -401.00700 (pa) 0.98023 (p) -1.01454 (e) 1.01454 (r) -400.99400 (proposes) -401.00700 (to) -400 (adopt) -401.01200 (rank) -400.01200 (pooling) -400.99200 (method) -399.98200 (to) -401.02100 (en\055) ] TJ 11.95510 TL T* [ (code) -333.98100 (depth) -332.98600 (map) -334.01000 (sequences) -334.01300 (into) -333.01800 (dynamic) -333.99800 (images\056) -561.01900 (Gi) 24.98600 (v) 14.98280 (en) -333.98300 (a) ] 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 32 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 35 Tm (1005) Tj T* ET Q endstream endobj 15 0 obj << /Filter /FlateDecode /Resources << /ExtGState << /a0 << /CA 1 /ca 1 >> >> /XObject << /x18 16 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 16 0 obj << /Filter /FlateDecode /Resources 17 0 R /Length 107 /Type /XObject /BBox [ 78 746 96 765 ] /Subtype /Form >> stream xe AC̬wʠ =p,?]%+H-
Jc "82w8VSnGW;"
endstream
endobj
17 0 obj
<<
/ExtGState <<
/a0 <<
/CA 1
/ca 1
>>
>>
>>
endobj
18 0 obj
<<
/Filter /DCTDecode
/Interpolate true
/Height 240
/Length 5513
/ColorSpace /DeviceCMYK
/Width 320
/BitsPerComponent 8
/Subtype /Image
>>
stream
Adobe d C
$, !$4.763.22:ASF:=N>22HbINVX]^]8EfmeZlS[]Y @C" M Y K"
} !1AQa"q2#BR$3br
%&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz C M Y K ? Ң*z((((((((((((((((CKIڃғҖiE3 /Lzu1F}sO)9xc@0})hTӜu>F-ۆ 8A0$zӅ4
iJzRJp)SJ:
cs(m%:(=))I փ֕@AM;)EULmNziQE-:EQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEi;R(=)iJNwMN)Ji(i1ڝM4JzPi5wjcs(m%-QE%QAE:(Ө(((((((((((((((((((((((((((((((((-QE!KE4CP:qLMctNTsJ(=\14Ku+tD,;.ZAҐFA)F>5T28/TD-RE
CJ Zpb 1A1QEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQEQESPLڙqiG/) $TP}
:O4B:Q)OJ#;Nө*sҤaZc*}t/4rdY5 g'p>gp'lU-J u(EKES+zP`}{R ѡ)^E