%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 (From Square Pieces to Brick Walls\072 The Next Challenge in Solving Jigsaw Puzzles) /Producer (PyPDF2) /Author (Shir Gur\054 Ohad Ben\055Shahar) /Subject (2017 IEEE International Conference on Computer Vision) >> endobj 3 0 obj << /Parent 1 0 R /Rotate 0 /Contents 13 0 R /Resources << /XObject << /x8 14 0 R /x12 17 0 R /x6 20 0 R /R44 23 0 R /R43 24 0 R /x10 25 0 R >> /ExtGState << /s9 28 0 R /s11 31 0 R /a0 << /CA 1 /ca 1 >> /s5 34 0 R /s7 37 0 R /R31 40 0 R >> /Font << /F2 41 0 R /F1 42 0 R /R38 43 0 R /R36 46 0 R /R45 50 0 R /R32 54 0 R /R34 57 0 R /R40 61 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] >> /CropBox [ 0 0 612 792 ] /MediaBox [ 0 0 612 792 ] /Annots [ 65 0 R 66 0 R 67 0 R 68 0 R 69 0 R 70 0 R 71 0 R 72 0 R 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 ] /Type /Page >> endobj 4 0 obj << /Parent 1 0 R /Rotate 0 /Contents 88 0 R /Resources << /ExtGState << /R31 40 0 R >> /Font << /R78 89 0 R /R72 92 0 R /R70 97 0 R /R76 100 0 R /R74 103 0 R /R40 61 0 R /F2 108 0 R /R88 109 0 R /R90 113 0 R /R82 117 0 R /R92 120 0 R /R80 124 0 R /R94 127 0 R /R86 131 0 R /R96 134 0 R /R84 137 0 R /R68 140 0 R /F1 144 0 R /R34 57 0 R /R32 54 0 R /R45 50 0 R >> /ProcSet [ /ImageC /Text /PDF /ImageI /ImageB ] >> /CropBox [ 0 0 612 792 ] /MediaBox [ 0 0 612 792 ] /Annots [ 145 0 R 146 0 R 147 0 R 148 0 R 149 0 R 150 0 R 151 0 R 152 0 R 153 0 R 154 0 R 155 0 R 156 0 R 157 0 R 158 0 R 159 0 R ] /Type /Page >> endobj 5 0 obj << /Parent 1 0 R /Rotate 0 /Contents 160 0 R /Resources << /ExtGState << /R31 40 0 R >> /Font << /R72 92 0 R /R70 97 0 R /R74 103 0 R /R40 61 0 R /F2 161 0 R /R88 109 0 R /R122 162 0 R /R120 166 0 R /R90 113 0 R /R92 120 0 R /R96 134 0 R /R118 169 0 R /R116 172 0 R /R68 140 0 R /F1 176 0 R /R36 46 0 R /R34 57 0 R /R32 54 0 R /R45 50 0 R >> /ProcSet [ /ImageC /Text /PDF /ImageI /ImageB ] >> /CropBox [ 0 0 612 792 ] /MediaBox [ 0 0 612 792 ] /Annots [ 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 ] /Type /Page >> endobj 6 0 obj << /Parent 1 0 R /Rotate 0 /Contents 189 0 R /Resources << /ExtGState << /R31 40 0 R >> /Font << /F1 190 0 R /R34 57 0 R /R68 140 0 R /R70 97 0 R /R74 103 0 R /R40 61 0 R /F2 191 0 R /R36 46 0 R /R88 109 0 R /R120 166 0 R /R90 113 0 R /R92 120 0 R /R32 54 0 R /R45 50 0 R >> /ProcSet [ /ImageC /Text /PDF /ImageI /ImageB ] >> /CropBox [ 0 0 612 792 ] /MediaBox [ 0 0 612 792 ] /Annots [ 192 0 R 193 0 R 194 0 R 195 0 R 196 0 R 197 0 R 198 0 R 199 0 R ] /Type /Page >> endobj 7 0 obj << /Parent 1 0 R /Rotate 0 /Contents 200 0 R /Resources << /ExtGState << /R31 40 0 R >> /Font << /R72 92 0 R /R70 97 0 R /R74 103 0 R /R40 61 0 R /F2 201 0 R /R88 109 0 R /R90 113 0 R /R92 120 0 R /R157 202 0 R /R147 206 0 R /R155 209 0 R /R153 212 0 R /R151 215 0 R /R149 218 0 R /R68 140 0 R /F1 221 0 R /R36 46 0 R /R34 57 0 R /R32 54 0 R /R45 50 0 R >> /ProcSet [ /ImageC /Text /PDF /ImageI /ImageB ] >> /CropBox [ 0 0 612 792 ] /MediaBox [ 0 0 612 792 ] /Annots [ 222 0 R 223 0 R 224 0 R 225 0 R ] /Type /Page >> endobj 8 0 obj << /Parent 1 0 R /Rotate 0 /Contents 226 0 R /Resources << /ExtGState << /R31 40 0 R >> /Font << /R192 227 0 R /R180 231 0 R /R190 234 0 R /R182 237 0 R /R196 240 0 R /R184 243 0 R /R194 246 0 R /R186 249 0 R /R72 92 0 R /R188 252 0 R /R45 50 0 R /R70 97 0 R /R40 61 0 R /F2 255 0 R /R88 109 0 R /R122 162 0 R /R120 166 0 R /R90 113 0 R /R92 120 0 R /R94 127 0 R /R96 134 0 R /R118 169 0 R /R116 172 0 R /F1 256 0 R /R36 46 0 R /R34 57 0 R /R68 140 0 R >> /ProcSet [ /ImageC /Text /PDF /ImageI /ImageB ] >> /CropBox [ 0 0 612 792 ] /MediaBox [ 0 0 612 792 ] /Annots [ 257 0 R 258 0 R 259 0 R 260 0 R 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 ] /Type /Page >> endobj 9 0 obj << /Parent 1 0 R /Rotate 0 /Contents 273 0 R /Resources << /XObject << /R228 274 0 R /R229 275 0 R /R213 276 0 R /R212 277 0 R /R215 278 0 R /R214 279 0 R /R216 280 0 R /R220 281 0 R /R221 282 0 R /R222 283 0 R /R223 284 0 R /R224 285 0 R /R225 286 0 R /R226 287 0 R /R227 288 0 R /R230 289 0 R /R219 290 0 R /R211 291 0 R >> /ExtGState << /R31 40 0 R >> /Font << /F2 292 0 R /F1 293 0 R /R217 294 0 R /R72 92 0 R /R45 50 0 R /R32 54 0 R /R34 57 0 R /R40 61 0 R >> /ProcSet [ /Text /ImageC /ImageB /PDF /ImageI ] >> /CropBox [ 0 0 612 792 ] /MediaBox [ 0 0 612 792 ] /Annots [ 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 ] /Type /Page >> endobj 10 0 obj << /Parent 1 0 R /Rotate 0 /Contents 306 0 R /Resources << /ExtGState << /R31 40 0 R >> /Font << /F1 307 0 R /R251 308 0 R /R70 97 0 R /R40 61 0 R /F2 311 0 R /R68 140 0 R /R255 312 0 R /R34 57 0 R /R32 54 0 R /R45 50 0 R /R253 315 0 R >> /ProcSet [ /ImageC /Text /PDF /ImageI /ImageB ] >> /CropBox [ 0 0 612 792 ] /MediaBox [ 0 0 612 792 ] /Annots [ 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 ] /Type /Page >> endobj 11 0 obj << /Parent 1 0 R /Rotate 0 /Contents 334 0 R /Resources << /ExtGState << /R31 40 0 R >> /Font << /F2 335 0 R /R34 57 0 R /F1 336 0 R /R32 54 0 R /R40 61 0 R >> /ProcSet [ /ImageC /Text /PDF /ImageI /ImageB ] >> /CropBox [ 0 0 612 792 ] /MediaBox [ 0 0 612 792 ] /Annots [ 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 366 0 R 367 0 R 368 0 R 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 385 0 R 386 0 R 387 0 R 388 0 R 389 0 R ] /Type /Page >> endobj 12 0 obj << /Type /Catalog /Pages 1 0 R >> endobj 13 0 obj << /Length 21373 >> stream q q q 0.10000 0 0 0.10000 0 0 cm /R31 gs 0 g q 10 0 0 10 0 0 cm BT /R32 14.34620 Tf 1 0 0 1 188.56000 675.06700 Tm [ (Fr) 18.00400 (om) -250.00800 (Squar) 17.99800 (e) -250 (Pieces) -249.99600 (to) -250.01200 (Brick) -250.01000 (W) 65.00110 (alls\072) ] TJ -30.82930 -17.93320 Td [ (The) -249.99300 (Next) -249.99000 (Challenge) -250.01200 (in) -249.99300 (Solving) -249.99000 (Jigsaw) -250.00700 (Puzzles) ] TJ /R34 11.95520 Tf 73.71520 -37.85780 Td [ (Shir) -249.98700 (Gur) 40.00120 (\054) -250.01200 (Ohad) -249.98500 (Ben\055Shahar) ] TJ -14.01720 -13.94730 Td [ (Department) -250 (of) -250.01400 (Computer) -250.01400 (Science) ] TJ -6.99375 -13.94800 Td [ (Ben\055Gurion) -250.00400 (Uni) 24.99570 (v) 14.98510 (ersity) -249.98900 (of) -250.01400 (the) -250 (Ne) 14.99130 (ge) 25.01000 (v) ] TJ /R36 8.96640 Tf 1.87187 -13.94770 Td [ (f) -0.90126 ] TJ /R38 8.96640 Tf 4.60781 0 Td [ (gursh\054) -600.01000 (ben\055shahar) ] TJ /R36 8.96640 Tf 91.45700 0 Td [ (g) -0.90126 ] TJ /R38 8.96640 Tf 4.60703 0 Td (\100cs\056bgu\056ac\056il) Tj /R32 11.95520 Tf -166.98400 -41.04610 Td (Abstract) Tj /R40 9.96260 Tf -83.92770 -25.12500 Td [ (Resear) 36.98650 (c) 15.01280 (h) -372.99200 (into) -373.01100 (computational) -373.01300 (jigsaw) -374.01100 (puzzle) -373.01100 (solving) 9.99098 (\054) -404.00900 (an) ] TJ -11.95510 -11.95510 Td [ (emer) 37.01340 (ging) -314.98400 (theor) 36.99260 (etic) 0.98635 (a) -1.01454 (l) -314.01900 (pr) 44.98390 (oblem) -314.99000 (with) -313.99300 (numer) 44.98760 (ous) -314.98900 (applications\054) ] TJ 11.95510 TL T* [ (has) -205.98900 (focused) -205.98500 (in) -205.99300 (r) 37.01960 (ecent) -206.00600 (year) 10 (s) -205.99900 (on) -207.01400 (puz) 0.99616 (zles) -207.01000 (that) -205.98000 (constitute) -206.00200 (squar) 37.00120 (e) ] TJ T* [ (pieces) -434 (only) 54.98410 (\056) -860.99100 (In) -432.98500 (this) -433.98000 (paper) -433.98900 (w) 0.99371 (e) -434.01100 (wish) -434.01300 (to) -433.01400 (e) 19.99180 (xtend) -433.99900 (the) -433.99900 (scien\055) ] TJ T* [ <74690263> -207.98900 (scope) -207.01700 (of) -207.99200 (appear) 15 (ance\055based) -207.99000 (puzzle) -207 (solving) -208.01200 (and) -207.99000 (consider) ] TJ T* [ (\224bric) 19.98560 (k) -313.99100 (wall\224) -314.01800 (jigsaw) -313.98200 (puzzles) -313.99500 (\226) ] TJ /R34 9.96260 Tf 123.94900 0 Td (rectangular) Tj /R40 9.96260 Tf 47.94100 0 Td [ (pieces) -313.98200 (who) -314.00400 (may) ] TJ -171.89000 -11.95590 Td (have) Tj /R34 9.96260 Tf 21.27300 0 Td [ (dif) 24.98540 (ferent) -246.98100 (sizes) ] TJ /R40 9.96260 Tf 55.88280 0 Td [ (\054) -247.99500 (and) -247.00300 (could) -248.01900 (be) -247.01600 (placed) -247.00300 (ne) 19.99670 (xt) -247.01500 (to) -247.98600 (eac) 15.01470 (h) -247.01300 (other) ] TJ -77.15590 -11.95510 Td (at) Tj /R34 9.96260 Tf 11.40000 0 Td [ (arbitrary) -366.01100 (of) 25.01670 (fset) ] TJ /R40 9.96260 Tf 64.03480 0 Td [ (along) -365.99000 (their) -365.99700 (ab) 20.00650 (utting) -367 (edg) 10.00320 (e) -365.98300 (\226) -366.01200 (a) -366.99300 (mor) 36.98890 (e) -365.98300 (e) 19.99180 (x\055) ] TJ -75.43480 -11.95510 Td [ (plicit) -381.00500 <636f6e02677572> 15.00480 (ation) -381.98500 (with) -381.00100 (pr) 44.98390 (operties) -381.98700 (of) -380.98300 (r) 37.01830 (eal) -380.98800 (world) -382.01700 (puzzles\056) ] TJ T* [ (W) 91.98650 (e) -273.99800 (pr) 36.98520 (esent) -273.98400 (the) -273.00600 (ne) 15.01830 (w) -274.01900 (c) 15.01220 (halleng) 9.98975 (es) -273.99200 (that) -274.00800 (arise) -272.99400 (in) -273.98100 (bric) 20.01140 (k) -273.99800 (wall) -274 (puz\055) ] TJ T* [ (zles) -316.01000 (and) -316.01000 (addr) 36.99510 (ess) -316.01800 (them) -316.01500 (in) -316.01300 (two) -316 (sta) 10.01670 (g) 10.00320 (es\056) -507.99000 (F) 45.01700 (ir) 10.01060 (st) -316.01300 (we) -316.01600 (concentr) 14.99260 (ate) ] TJ T* [ (on) -243.98900 (the) -243.99100 (r) 37.01960 (econs) 0.98758 (truction) -244 (of) -243.98600 (the) -243.99100 (puzzle) -242.99400 (\050with) -244.00800 (or) -243.98600 (without) -243.98900 (missing) ] TJ 11.95630 TL T* [ (pieces\051) -224 (assuming) -224 (an) -223.01200 (or) 14.98890 (acle) -223.99800 (for) -223.98300 (of) 18.00920 (fset) -223.98600 (assignments\056) -300.99400 (W) 91.98710 (e) -224.00700 (show) ] TJ 11.95470 TL T* [ (that) -258.01100 (despite) -258.99400 (the) -257.98900 (incr) 36.98770 (eased) -257.98900 (comple) 20.00770 (xity) -259.00900 (of) -257.98400 (the) -257.98900 (pr) 44.98510 (oblem\054) -260.99800 (under) ] TJ T* [ (these) -326.99400 (conditions) -326.99600 (performance) -325.99500 (can) -326.99800 (be) -327.00300 (made) -326.99700 (compar) 14.99750 (able) -326.99200 (to) ] TJ T* [ (the) -253.98900 (state\055of\055the\055art) -253.98600 (in) -253.00400 (solving) -254.00500 (the) -253.98900 (simpler) -254.00700 (squar) 37.00120 (e) -254.00200 (piece) -253.99700 (puz\055) ] TJ T* [ (zles\054) -276.99500 (and) -270.99800 (ther) 36.98770 (eby) -271.01700 (ar) 36.98520 (gue) -271.98800 (that) -270.98900 (solving) -272.00200 (bric) 20.01140 (k) -271.01800 (wall) -270.98200 (puzzles) -272.00100 (may) ] TJ 11.95590 TL T* [ (be) -281.01100 (r) 37.01960 (educed) -281.01000 (to) -282.01900 <026e64696e67> -281.01900 (the) -281.00500 (corr) 36.98650 (ect) -281.01300 (of) 18.00920 (fset) -280.99500 (between) -282.01400 (tw) 1 (o) -281.98700 (neigh\055) ] TJ 11.95510 TL T* [ (boring) -309.01300 (pieces\056) -487.00900 (W) 91.98590 (e) -307.99300 (then) -308.99500 (mo) 10.00570 (ve) -309.01600 (on) -308.99700 (to) -308.99500 (focus) -308.98800 (on) -308.99700 (implementing) ] TJ T* [ (the) -283.98400 (or) 14.98890 (acle) -283.98800 (computationally) -284.00500 (using) -284.00300 (a) -283.98700 (mixtur) 36.99870 (e) -283.99700 (of) -284.01900 (dissimilarity) ] TJ T* [ (metrics) -248.99600 (and) -247.98300 (corr) 36.98650 (elation) -248.98500 (matc) 14.98890 (hing) 15 (\056) -309.00500 (W) 91.98590 (e) -248.98300 (show) -248.98800 (r) 37.01830 (es) 0.98268 (u) -1.01454 (l) 0.98758 (ts) -249.00500 (on) -249.00700 (vari\055) ] TJ T* [ (ous) -272.99700 (bric) 20.01080 (k) -273.99800 (wall) -272.98000 (puzzles) -272.98300 (and) -272.99900 (discuss) -274.00200 (how) -272.99100 (our) -272.99600 (work) -272.99400 (may) -273.99100 (start) ] TJ T* [ (a) -249.99300 (ne) 15.01770 (w) -249.98400 (r) 37.01960 (esear) 36.98280 (c) 15.01220 (h) -249.99300 (path) -250.01500 (for) -250.01800 (the) -249.99000 (puzzle) -250.01200 (solving) -250.00500 (community) 54.99820 (\056) ] TJ /R32 11.95520 Tf 39.50900 TL T* [ (1\056) -249.99000 (Intr) 18.01460 (oduction) ] TJ /R34 9.96260 Tf 11.95510 -20.14410 Td [ (Although) -219.01900 (jigsa) 14.99870 (w) -219.02000 (puzzles) -219.99300 (were) -218.99200 <02727374> -218.99800 (introduced) -218.99500 (in) -219.01000 (1760) -219.98300 (as) ] TJ -11.95510 -11.95470 Td [ (a) -307.01200 (children\047) 54.98530 (s) -307.98200 (g) 4.98446 (ame) -307.00400 (to) -308.01500 (teach) -307.00900 (geograph) 4.99304 (y) -307.00300 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 207.82100 176.64100 Tm (28) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 217.78300 176.64100 Tm [ (\135\054) -321.98500 (no) 24.98600 (w) 10 (adays) -308.02000 (the) 14.98520 (y) ] TJ -167.67100 -11.95510 Td [ (abstract) -205.01500 (a) -204.99000 (range) -206.00700 (of) -204.98400 (computational) -205.01100 (problems) -204.99300 (in) -205.01200 (which) -205.01000 (a) -206.01000 (set) -205.01500 (of) ] TJ 11.95510 TL T* [ (unordered) -259.00600 (fragments) -260.01400 (should) -258.98300 (be) -259.01400 (or) 17.99820 (g) 4.98446 (anized) -259.99100 (into) -258.99100 (visual) -258.98900 (or) -259.99300 (ge\055) ] TJ T* [ (ometrical) -330 (wholes\056) -550.00100 (Indeed\054) -350.01400 (applications) -329.98200 (are) -331.01600 (found) -330.00600 (in) -330.01100 <02656c6473> ] TJ 11.95590 TL T* [ (as) -414.98800 (di) 24.98850 (v) 14.98280 (erse) -414.01500 (as) -414.98800 (archeology) -415.01300 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 159.19300 128.82000 Tm (4) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 164.17400 128.82000 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 170.78900 128.82000 Tm (13) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 180.75200 128.82000 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 187.37700 128.82000 Tm (7) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 192.35800 128.82000 Tm [ (\135\054) -456.00400 (biology) -414.99000 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 240.60700 128.82000 Tm (17) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 250.57000 128.82000 Tm [ (\135\054) -456.00200 (recon\055) ] TJ -200.45700 -11.95510 Td [ (structing) -192.01100 (of) -192.98600 (shredded) -191.99200 (documents) -192.99000 (or) -192.00600 (photographs) -192.00500 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 244.78100 116.86500 Tm (1) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 249.76300 116.86500 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 254.17600 116.86500 Tm (16) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 264.13800 116.86500 Tm [ (\135\054) -204.00500 (and) ] TJ -214.02600 -11.95510 Td [ (learning) -364.98100 (visual) -365.01100 (representations) -363.98800 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 181.09000 104.91000 Tm (9) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 186.07100 104.91000 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 192.19800 104.91000 Tm (18) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 202.16100 104.91000 Tm [ (\135\056) -654.98900 (Theoretical) -364.98300 (w) 10 (ork\054) ] TJ -152.04900 -11.95510 Td [ (ho) 24.98600 (we) 25.01420 (v) 14.98280 (er) 39.98600 (\054) -493.99400 (has) -445.01600 (focused) -445.01500 (on) -445.01400 (square) -444.98100 (pieces) -445.01900 (only) -445.98200 (and) -445.01900 (to) 24.98850 (w) 10 (ard) ] TJ 11.95470 TL T* [ (that) -201.99000 (end) -201.02000 (v) 24.98110 (arious) -201.99000 (square) -200.98200 (piece) -202.00700 (puzzle) -200.98200 (reconstruction) -202.01000 (methods) ] TJ ET Q q 3561.11000 4912.27000 1417.45000 551.24200 re W n Q q 3561.11000 4912.27000 1417.45000 551.24200 re W n q 1771.76000 0 0 787.45000 3443.01000 4794.17000 cm /R44 Do Q Q q 10 0 0 10 0 0 cm BT /R34 8.96640 Tf 1 0 0 1 308.86200 470.30600 Tm [ (Figure) -240.00700 (1\056) -545.98400 (The) -239.98300 (structure) -240.00200 (of) -240.01600 (a) -240.02100 (\223brick) -239 (w) 10.00920 (all\224) -240.02400 (jigsa) 14.99200 (w) -240.01300 (puzzle) -240.00700 (and) -240.02400 (its) -239.02200 (so\055) ] TJ 10.95900 TL T* [ (lution\056) -295.02000 (A) -206.99000 (brick) -206.00200 (w) 10.00920 (all) -206.02100 (puzzle) -206.98500 (is) -206.01000 (based) -206.01000 (on) -206.97900 (or) 18.01970 (g) 5.01002 (anizing) -206 (an) -206 (unordered) -206 (set) ] TJ T* [ (of) -224.98500 (rectangular) -226.01700 (pieces) -225.01500 (into) -226.00100 (a) -224.99100 (coherent) -225.99000 (image\056) -301.99600 (The) -224.99400 (spatial) -224.97700 (placement) ] TJ T* [ (is) -317.01200 (in) -316.01500 (lines\054) -333.99200 (where) -317.00100 (ea) 1.00745 (ch) -317.00100 (brick) -317.00400 (\050) ] TJ /R40 8.96640 Tf 109.06600 0 Td (i\056e) Tj /R34 8.96640 Tf 8.71484 0 Td [ (\056) -317.00400 (piece\051) -315.99600 (can) -317.02000 (ha) 20.01830 (v) 14.98650 (e) -316.99800 (arbitrary) -316.99800 (of) 24.99020 (fset) ] TJ -117.78100 -10.95900 Td [ (relati) 24.98200 (v) 14.98650 (e) -277.00800 (to) -277.98300 (its) -277.01100 (neighbors) -278.01300 (perpendicular) -276.98900 (to) -277.98000 (the) -277 (of) 24.99020 (fset) -278.01300 (direction\056) -392.00700 (The) ] TJ T* [ (piece) -203.01800 (numbers) -202.99300 (in) -203.00700 (this) -202.99300 (sk) 9.97920 (etch) -203.00100 (replaces) -203.00400 (the) -202.98200 (pictorial) -202.98800 (content) -202.99300 (for) -201.99700 (illus\055) ] TJ T* [ (tration) -205.98300 (only) 65.00780 (\056) -295.00300 (The) -206.00200 (shaded) -206.01300 (pieces) -206.02100 (represent) -206.00500 (the) -205.98800 (possibility) -206.01000 (of) -205.99400 (missing) ] TJ 10.95780 TL T* [ (pieces) -250.02200 (in) -250.01400 (the) -249.98900 (puzzle) -249.98400 (\050both) -249.98400 (in) -250.01100 (the) -249.98900 (input) -250.00600 (and) -250 (output\051\056) ] TJ /R34 9.96260 Tf 37.62500 TL T* [ (ha) 19.99670 (v) 14.98280 (e) -256.00100 (been) -255.01400 (proposed) -256.01100 (o) 14.98280 (v) 14.98280 (er) -254.98400 (the) -255.98700 (years) -255.01600 (where) -256.00100 (common) -254.98200 (to) -255.98700 (man) 14.99260 (y) ] TJ 11.95510 TL T* [ (approaches) -340.01700 (is) -340.00900 (a) -339.98700 (basi) 0.99493 (c) -339.98700 (operation) -339.99700 (of) -339.98200 (seeking) -340.00200 (the) -340.01200 (unassigned) ] TJ T* [ (piece) -228.00100 (that) -227.98600 (should) -228.00600 (link) -228.01600 (to) -227.00900 (an) -228.00100 (e) 15.01220 (xisting) -227.99600 (piece) -228.00100 (by) -227.99100 <026e64696e67> -228.00100 (its) -227.98200 (best) ] TJ 11.95590 TL T* [ (neighbors) -210.99200 (according) -211.01400 (to) -211.99200 (some) -211.00400 (af) 25.00560 <026e697479> -210.98400 (function) -211 (that) -211.98900 (e) 15.01220 (xamines) ] TJ 11.95510 TL T* [ (appearance) -207 (dif) 24.98600 (ferences) -208.01700 (at) -206.98300 (interf) 10.00810 (acing) -207.01400 (bound) -0.99493 (a) 1.01454 (ries) -208 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 505.28500 308.14800 Tm (23) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 515.24700 308.14800 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 519.80000 308.14800 Tm (6) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 524.78200 308.14800 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 529.34500 308.14800 Tm (21) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 539.30700 308.14800 Tm (\135\054) Tj -230.44500 -11.95510 Td [ (or) -202.00300 (matching) -202.01300 (contours) -403.00600 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 399.91100 296.19300 Tm (16) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 409.87300 296.19300 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 414.37600 296.19300 Tm (10) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 424.33900 296.19300 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 428.84200 296.19300 Tm (24) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 438.80400 296.19300 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 443.30700 296.19300 Tm (31) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 453.27000 296.19300 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 457.77300 296.19300 Tm (30) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 467.73600 296.19300 Tm (\054) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 472.23900 296.19300 Tm (14) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 482.20100 296.19300 Tm [ (\135\056) -293.99000 (Such) -201.98600 (an) -202.00600 (oper) 19.99670 (\055) ] TJ -173.33900 -11.95470 Td [ (ation) -215.00300 (can) -214.00600 (repeat) -214.98900 (itself) -215.00300 (until) -214.01300 (a) -214.98900 (proper) -215.01800 (solution) -213.99400 (is) -215.00800 (achie) 25.01540 (v) 14.98280 (ed) -214.98400 (and) ] TJ 11.95510 TL T* [ (all) -205.99500 (parts) -205.99500 (are) -206.01700 (put) -205.98800 (in) -205.99300 (place\054) -214.98100 (b) 20.00160 (ut) -205.99500 (this) -206.02000 (some) 24.99580 (what) -207.01400 (nai) 26.00550 (v) 14.00260 (e) -206.01000 (greedy) -206 (ap\055) ] TJ 11.95590 TL T* [ (proach) -341 (is) -342.00900 (lik) 10.01790 (ely) -340.99500 (to) -342.00900 (f) 9.99588 (ail) -340.99200 (because) -341.00200 (often) -342.01200 (\223best) -340.99200 (neighbors\224) -341.99700 (are) ] TJ 11.95510 TL T* [ (f) 9.99588 (alse\055positi) 25.01540 (v) 14.98280 (es\054) -465.01600 (a) -422.01300 (result) -421.01100 (of) -422.00800 (the) -421.99800 (occasionally) -422.01800 (unpredictable) ] TJ T* [ (continuation) -340.99200 (between) -340.01400 (true) -340.99700 (neighbors) -341.01200 (and) -340.01700 (the) -340.99200 (properties) -340.98200 (of) ] TJ T* [ (the) -255.00900 (metrics) -254.01600 (used) -255.00400 (to) -255.00400 (predict) -255.00200 (it\056) -324.01000 (T) 79.99160 (o) -255.01100 (alle) 24.98110 (viate) -253.98700 (this) -254.99200 (problem) -254.99200 (v) 24.98110 (ar) 19.98690 (\055) ] TJ T* [ (ious) -379.01300 (stronger) -379.01800 (\050often) -378.98800 (l) 0.98758 (ess) -378.98800 (local\051) -378.98600 (conditions) -378.98600 (ha) 19.99670 (v) 14.98280 (e) -379 (been) -378.99600 (pro\055) ] TJ T* [ (posed\054) -316.00600 (f) 1.01699 (rom) -302.99400 (the) ] TJ /R40 9.96260 Tf 66.44370 0 Td [ (best) -302.01300 (b) 20.00160 (uddies) ] TJ /R34 9.96260 Tf 52.86910 0 Td [ (condition) -301.98400 (by) -302.99800 (Pomeranz) ] TJ /R40 9.96260 Tf 96.48010 0 Td [ (et) -301.98400 (al) ] TJ /R34 9.96260 Tf 17.96600 0 Td (\056) Tj -233.75900 -11.95630 Td (\133) Tj ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 312.18000 188.59600 Tm (23) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 322.14200 188.59600 Tm [ (\135\054) -384.01400 (through) ] TJ /R40 9.96260 Tf 44.18870 0 Td [ (loop) -357.01600 (constr) 15.00240 (aints) ] TJ /R34 9.96260 Tf 68.96720 0 Td [ (by) -356.98900 (Son) ] TJ /R40 9.96260 Tf 32.58400 0 Td [ (et) -356.99400 (al) ] TJ /R34 9.96260 Tf 18.51290 0 Td [ (\056) -356.99400 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 495.76000 188.59600 Tm (26) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 505.72200 188.59600 Tm [ (\135\054) -384.01400 (to) ] TJ /R40 9.96260 Tf 20.94880 0 Td [ (tr) 36.98890 (ee\055) ] TJ -217.80900 -11.95510 Td [ (based) -336.00500 (r) 37.01830 (eassembly) -334.98300 (constr) 15.00240 (aints) ] TJ /R34 9.96260 Tf 121.86000 0 Td [ (by) -336.01300 (Gallagher) ] TJ /R40 9.96260 Tf 55.93200 0 Td [ (et) -336.01700 (al) ] TJ /R34 9.96260 Tf 18.29690 0 Td [ (\056) -335.97800 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 514.10600 176.64100 Tm (11) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 524.06900 176.64100 Tm [ (\135) -335.00800 (and) ] TJ /R40 9.96260 Tf -215.20700 -11.95470 Td [ (quadr) 15.00480 (atic) -334.98800 (pr) 44.98510 (o) 10.00320 (gr) 14.99010 (amming) ] TJ /R34 9.96260 Tf 99.36370 0 Td [ (by) -334.99300 (Andal) ] TJ 38.47930 0.05000 Td (\264) Tj -0.83203 -0.05000 Td (o) Tj /R40 9.96260 Tf 8.31797 0 Td [ (et) -334.99800 (al) ] TJ /R34 9.96260 Tf 18.28910 0 Td [ (\056) -334.99800 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 481.62600 164.68600 Tm (3) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 486.60700 164.68600 Tm [ (\135) -335.00800 (\050to) -334.99300 (name) -334.01300 (b) 20.00160 (ut) ] TJ -177.74500 -11.95510 Td [ (a) -307.01200 (fe) 25.00810 (w\051\056) -481.01500 (These) -307 (heuristics) -307.01500 (serv) 14.98280 (e) -307.01200 (to) -308.01700 (a) 19.99180 (v) 20.00160 (oid) -306.98800 (checking) -306.99300 (all) -306.99800 (possi\055) ] TJ 11.95510 TL T* [ (ble) -348.99300 (permutations) -348.01100 (of) -348.99800 (piece) -347.98100 (placements) -349.01500 (in) -348.99100 (order) -347.98100 (to) -348.99100 (e) 15.01220 (xamine) ] TJ T* [ (which) -350.98600 (one) -352.01500 (scores) -350.99500 (the) -352.01200 (best) -350.98600 (according) -350.99000 (to) -352.01000 (some) -350.98100 (global) -351.99500 (mea\055) ] TJ 11.95590 TL T* [ (sure\056) -320.02000 (Indeed\054) -253.99200 (the) -253.00900 (problem) -252.99200 (w) 10.00320 (as) -253.01700 (pro) 14.98280 (v) 14.98280 (ed) -253.01700 (NP\055complete) -253.01700 (\133) ] TJ ET Q 0 1 0 rg q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 519.90100 116.86500 Tm (8) Tj ET Q 0 g q 10 0 0 10 0 0 cm BT /R34 9.96260 Tf 1 0 0 1 524.88200 116.86500 Tm [ (\135) -254.00200 (and) ] TJ -216.02000 -11.95510 Td [ (the) -382.98800 (race) -383.01200 (has) -382.98800 (been) -382.99200 (focusing) -383.01000 (on) -384.00500 (impro) 15.00240 (ving) -383.01000 (result) -383.01500 (accurac) 14.99750 (y) 65.01370 (\056) ] TJ 11.95510 TL T* [ (The) -295.98500 (latter) -296.01900 (no) 24.98600 (w) -295.98700 (appears) -295.99000 (to) -296.01900 (saturate) -295.98000 (at) -295.98500 (o) 14.98280 (v) 14.98280 (er) ] TJ /R45 9.96260 Tf 170.22400 0 Td [ (95\045) -0.30387 ] TJ /R34 9.96260 Tf 21.21480 0 Td (reconstruc\055) Tj -191.43900 -11.95510 Td [ (tion) -272.98900 (accurac) 14.99750 (y) -273.00800 (in) -273.00100 (some) -272.01300 (cases) -273.01300 (while) -272.99400 (problem) -272.98900 (sizes) -273.00300 (\050) ] TJ /R40 9.96260 Tf 200.32600 0 Td (i\056e) Tj /R34 9.96260 Tf 9.68398 0 Td [ (\056) -273.00800 (num\055) ] 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 (4029) 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 <<
/x24 18 0 R
>>
>>
/Length 28
/Group <<
/Type /Group
/S /Transparency
/CS /DeviceRGB
/I true
>>
/BBox [ 133 751 479 772 ]
/Type /XObject
/Subtype /Form
>>
stream
x+O4PH/VЯ02Qp
0
endstream
endobj
18 0 obj
<<
/Filter /FlateDecode
/Resources 19 0 R
/Length 53008
/Type /XObject
/BBox [ 133 751 479 772 ]
/Subtype /Form
>>
stream
xlK8,8?DKs9mavd
{f-8*2Y@H >חk}y}uf`v)_s}1z#*Gw_gX jow\o'1c|Z^G<
A̺X}ay?IT|y~L.[ {Ȟb\3-3]_'X\竵0{+_۾oY-wj+ B;)Aa=/
1~a(>}m_K' >*Q1:?OPnGsQ_`?mzN
?WBB!lU n'S 1Ipzχ1xF_09,}?e){:̹~Gu7g {0mD`pdS)>;ys`Pµx'O
+혝 oI~!p7̵&m=dC+>5ALV"I1"S*CKha#03L4|@p灟vMRQ==*/m"r>@uqo9ͻ;Vz 'ȳ;IBzWR~ihwa8PlT>]fZ8y52)r빃W{B7G/q)}M]elS(k=5^A] сڸc'w!Ll'M=Ȥ뎓z;#կN>\q6r>|8}}Lr$Mo5:>syls+Ǵ`C?/9{Y||jD u#i^\rJ8a|oY+Rxl<{[؏s迨nYaյ[?/^u;+ ,bhL}wrj:ɴdM8^q|m'aQ6;0k_ar|E8HɃpN('&r`V;Rs볩Nk\&W=DDG#5]~M{VyCSRH9ܜXˏt7߾i9ADگ
USڝ|{(hbIRZXg @6Hɹ0Dq;si\Tv<1?mUŏV7bF
p7Y9sƨ*.uz_LբřsB݃ɹ^'_Yae91f+n%A̶d
Ċc#q
CF=Mt'\&ξ)z;L-4:n}41j:mӶ_)\݇ |T@uAƓxAN6Ql;}Ɲ{~_y"g%]nCi']I~,xa?feoɌr0u?V=phldx.Y;~nZL603> \`ęܓ