Knowledge

Segmentation-based object categorization

Source πŸ“

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OBJ CUT is an efficient method that automatically segments an object. The OBJ CUT method is a generic method, and therefore it is applicable to any object category model. Given an image D containing an instance of a known object category, e.g. cows, the OBJ CUT algorithm computes a segmentation of
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Since only one eigenvector, corresponding to the second smallest generalized eigenvalue, is used by the uncut algorithm, efficiency can be dramatically improved if the solve of the corresponding eigenvalue problem is performed in a
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problem is concerned with partitioning an image into multiple regions according to some homogeneity criterion. This article is primarily concerned with graph theoretic approaches to image segmentation applying
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The set of points in an arbitrary feature space can be represented as a weighted undirected complete graph G = (V, E), where the nodes of the graph are the points in the feature space. The weight
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require only a function that performs a matrix-vector product for a given vector, on every iteration. For image segmentation, the matrix W is typically sparse, with a number of nonzero entries
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Segment the image into homogeneous components, and use the most suitable compression algorithm for each component to improve compression.
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Multiscale Spectral Image Segmentation Multiscale preconditioning for computing eigenvalues of graph Laplacians in image segmentation
3529: 2757: 2669: 1114: 886: 430: 2655:{\displaystyle E(m,\Theta )=\sum \phi _{x}(D|m_{x})+\phi _{x}(m_{x}|\Theta )+\sum \Psi _{xy}(m_{x},m_{y})+\phi (D|m_{x},m_{y})} 1303: 1215: 1069: 841: 224:. In this context, we can formulate the image segmentation problem as a graph partitioning problem that asks for a partition 3127: 3704: 3608:(1997): "Normalized Cuts and Image Segmentation", IEEE Conference on Computer Vision and Pattern Recognition, pp 731–737 2266: 3730: 3350: 100:
Partition a transportation network makes it possible to identify regions characterized by homogeneous traffic states.
1918:, and allow it to take real values. The relaxed problem can be solved by solving the generalized eigenvalue problem 1828: 2105:
Use the eigenvector with the second smallest eigenvalue to bipartition the graph (e.g. grouping according to sign).
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Lopez, ClΓ©lia; Leclercq, Ludovic; Krishnakumari, Panchamy; Chiabaut, Nicolas; Van Lint, Hans (25 October 2017).
3743: 3618: 2910: 3707:. In Proceedings of the 7th European Conference on Computer Vision, Copenhagen, Denmark, pages 109–124, 2002. 2981: 2342: 3440: 3756: 3040: 3779: 1264: 782: 227: 2859: 2058: 1921: 1714: 3398: 1006:{\displaystyle \operatorname {ncut} (S,{\overline {S}})=2-\operatorname {nassoc} (S,{\overline {S}})} 3497: 1517: 2424: 3216: 320: 149: 1786: 1491: 1425: 2188:, i.e., without explicitly manipulating with or even computing the matrix W, as, e.g., in the 2127: 769:{\displaystyle \operatorname {nassoc} (A,B)={\frac {w(A,A)}{w(A,V)}}+{\frac {w(B,B)}{w(B,V)}}} 3680:. Workshop on Algorithms for Modern Massive Datasets Stanford University and Yahoo! Research. 2961: 2400: 2380: 2273:
method. Computing the eigenvector using an optimally preconditioned matrix-free method takes
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The Layout Consistent Random Field for Recognizing and Segmenting Partially Occluded Objects
634:{\displaystyle \operatorname {ncut} (A,B)={\frac {w(A,B)}{w(A,V)}}+{\frac {w(A,B)}{w(B,V)}}} 119: 3561: 3189: 3100: 293: 2276: 2228: 2199: 8: 3746:. In Proceedings of the IEEE International Conference on Computer Vision, Beijing, 2005. 2193: 2185: 49: 3565: 1762: 3582: 3549: 2358: 2354: 2305: 2163: 2035: 2015: 1901: 1471: 1451: 821: 404: 384: 273: 207: 187: 33: 28: 3635:
Modern preconditioned eigensolvers for spectral image segmentation and graph bisection
3675: 3650: 3633: 3587: 3550:"Revealing the day-to-day regularity of urban congestion patterns with 3D speed maps" 2262: 2189: 3656: 3577: 3569: 3327:{\displaystyle m^{*}=\arg \min \limits _{m}\sum \limits _{i}w_{i}E(m,\Theta _{i})} 2350: 2258: 3660: 3605: 3573: 87: 76:
Automatic segmentation of MRI images for identification of cancerous regions.
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An Implicit Shape Model for Combined Object Categorization and Segmentation
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is a key technology accelerating the convergence, e.g., in the matrix-free
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Proceedings of IEEE Conference on Computer Vision and Pattern Recognition
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The objective function given by equation (2) is determined by computing
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Solving a standard eigenvalue problem for all eigenvectors (using the
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Given an image D, an object category is chosen, e.g. cows or horses.
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time. This is impractical for image segmentation applications where
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is called a pairwise term. A unary term consists of the likelihood
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The corresponding LPS model is matched to D to obtain the samples
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time, which is the optimal complexity, since the eigenvector has
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data from satellites to identify and measure regions of interest.
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Image Parsing: Unifying Segmentation, Detection, and Recognition
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Knyazev, Andrew V. (2003). Boley; Dhillon; Ghosh; Kogan (eds.).
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Locus: Learning object classes with unsupervised segmentation
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Multiscale Spectral Graph Partitioning and Image Segmentation
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have high similarity, and the vertices in two different sets
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measures the total similarity of vertices in the same part.
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For high-resolution images, the second eigenvalue is often
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M. P. Kumar, P. H. S. Torr, and A. Zisserman. Obj cut. In
1149:{\displaystyle \operatorname {nassoc} (S,{\overline {S}})} 921:{\displaystyle \operatorname {nassoc} (S,{\overline {S}})} 499:{\displaystyle w(A,B)=\sum \limits _{i\in A,j\in B}w_{ij}} 3733:. Toward Category-Level Object Recognition 2006: 508–524 3720:. Toward Category-Level Object Recognition 2006: 545–576 2111:
Recursively partition the segmented parts, if necessary.
1338:{\displaystyle \operatorname {ncut} (S,{\overline {S}})} 1250:{\displaystyle \operatorname {ncut} (S,{\overline {S}})} 1104:{\displaystyle \operatorname {ncut} (S,{\overline {S}})} 876:{\displaystyle \operatorname {ncut} (S,{\overline {S}})} 3655:. Fast Manifold Learning Workshop, WM Williamburg, VA. 1261:
problem. However, we can find in polynomial time a cut
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for eigenvectors with the second smallest eigenvalues.
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Decide if the current partition should be subdivided.
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measures the similarity between different parts, and
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the object, that is, it infers a set of labels 
3496:The objective function is minimized using a single 2361:as first proposed in and actually tested in and. 3619:"Spectral Clustering β€” scikit-learn documentation" 3486: 3429: 3385: 3326: 3232: 3205: 3178: 3116: 3086: 3029: 2970: 2950: 2899: 2848: 2746: 2654: 2448: 2409: 2389: 2314: 2294: 2246: 2217: 2172: 2152: 2094: 2044: 2024: 2004: 1974:Given a set of features, set up a weighted graph 1957: 1910: 1886: 1814: 1774: 1751: 1697: 1552: 1506: 1480: 1460: 1440: 1407: 1337: 1292: 1249: 1204: 1148: 1103: 1058: 1005: 920: 875: 830: 810: 768: 633: 498: 413: 393: 349: 309: 282: 262: 216: 196: 184:is a function of the similarity between the nodes 176: 138: 3766: 1965:for the second smallest generalized eigenvalue. 3386:{\displaystyle \Theta _{1},\cdots ,\Theta _{s}} 1887:{\displaystyle {\frac {y^{T}(D-W)y}{y^{T}Dy}}} 111: 779:In the normalized cuts approach, for any cut 1746: 1731: 1563:After some algebraic manipulations, we get: 1408:{\displaystyle d(i)=\sum \limits _{j}w_{ij}} 2325: 2115: 1205:{\displaystyle (S^{*},{\overline {S}}^{*})} 1059:{\displaystyle (S^{*},{\overline {S}}^{*})} 3716:Z. Tu, X. Chen, A. L. Yuille, S. C. Zhu: 3581: 2377:Let m be a set of binary labels, and let 3530:Minimum spanning tree-based segmentation 2951:{\displaystyle \phi _{x}(m_{x}|\Theta )} 2907:based on color, and the unary potential 2225:, so such a matrix-vector product takes 46:Segmentation-based object categorization 18:Segmentation based object categorization 3673: 3648: 3631: 3030:{\displaystyle \Psi _{xy}(m_{x},m_{y})} 14: 3767: 3487:{\displaystyle w_{i}=g(\Theta _{i}|Z)} 2978:. A pairwise term consists of a prior 2417:is a shape prior on the labels from a 2180:is the number of pixels in the image. 3775:Object recognition and categorization 3705:Class-specific, top-down segmentation 3500:operation to obtain the segmentation 2754:is called a unary term, and the term 1352: 3729:B. Leibe, A. Leonardis, B. Schiele: 3087:{\displaystyle \phi (D|m_{x},m_{y})} 1894:subject to the constraints above is 48:can be viewed as a specific case of 3508: 3280: 3132: 2343:algebraic multigrid preconditioning 1383: 1293:{\displaystyle (S,{\overline {S}})} 811:{\displaystyle (S,{\overline {S}})} 456: 263:{\displaystyle V_{1},\cdots ,V_{k}} 24: 3464: 3415: 3374: 3355: 3312: 3221: 3164: 2986: 2965: 2942: 2900:{\displaystyle \phi _{x}(D|m_{x})} 2762: 2738: 2568: 2555: 2478: 2440: 2404: 2384: 360: 107:Segmentation using normalized cuts 56:Applications of image segmentation 25: 3791: 2421:(LPS) model). An energy function 2095:{\displaystyle (D-W)y=\lambda Dy} 1958:{\displaystyle (D-W)y=\lambda Dy} 1752:{\displaystyle y_{i}\in \{1,-b\}} 3430:{\displaystyle E(m,\Theta _{i})} 52:applied to image segmentation. 3749: 3736: 3723: 3694:, San Diego, pages 18–25, 2005. 3213:is the weight of the parameter 3710: 3697: 3684: 3667: 3642: 3625: 3611: 3598: 3541: 3481: 3474: 3460: 3424: 3405: 3321: 3302: 3173: 3154: 3081: 3054: 3047: 3024: 2998: 2945: 2938: 2924: 2894: 2880: 2873: 2843: 2816: 2809: 2800: 2774: 2741: 2734: 2720: 2704: 2690: 2683: 2649: 2622: 2615: 2606: 2580: 2558: 2551: 2537: 2521: 2507: 2500: 2481: 2469: 2443: 2431: 2289: 2283: 2241: 2235: 2212: 2206: 2147: 2134: 2074: 2062: 1999: 1987: 1937: 1925: 1857: 1845: 1668: 1656: 1627: 1608: 1597: 1578: 1376: 1370: 1332: 1313: 1287: 1268: 1244: 1225: 1199: 1166: 1143: 1124: 1098: 1079: 1053: 1020: 1000: 981: 963: 944: 915: 896: 870: 851: 805: 786: 760: 748: 740: 728: 713: 701: 693: 681: 669: 657: 625: 613: 605: 593: 578: 566: 558: 546: 534: 522: 449: 437: 165: 153: 13: 1: 3535: 1553:{\displaystyle w_{ij}=w_{ji}} 3338: 2449:{\displaystyle E(m,\Theta )} 1708:subject to the constraints: 1622: 1592: 1327: 1282: 1239: 1188: 1138: 1093: 1042: 995: 958: 910: 865: 800: 421:be two subsets of vertices. 7: 3674:Knyazev, Andrew V. (2006). 3661:10.13140/RG.2.2.35280.02565 3649:Knyazev, Andrew V. (2006). 3270: 3233:{\displaystyle \Theta _{i}} 2958:based on the distance from 2419:layered pictorial structure 1969:The partitioning algorithm: 1634: 1574: 1300:of small normalized weight 381:) be a weighted graph. Let 350:{\displaystyle V_{i},V_{j}} 112:Graph theoretic formulation 10: 3796: 3703:E. Borenstein, S. Ullman: 3574:10.1038/s41598-017-14237-8 2364: 177:{\displaystyle (i,j)\in E} 3520:Interleaved segmentation 1815:{\displaystyle y^{t}D1=0} 1507:{\displaystyle n\times n} 1468:on the diagonal, and let 1441:{\displaystyle n\times n} 3755:J. M. Winn, J. Shotton: 2326:Software Implementations 2153:{\displaystyle O(n^{3})} 2116:Computational Complexity 2971:{\displaystyle \Theta } 2456:is defined as follows. 2410:{\displaystyle \Theta } 2390:{\displaystyle \Theta } 2005:{\displaystyle G=(V,E)} 82:Mapping and measurement 3759:. CVPR (1) 2006: 37–44 3488: 3431: 3387: 3328: 3234: 3207: 3180: 3118: 3088: 3031: 2972: 2952: 2901: 2850: 2748: 2656: 2450: 2411: 2391: 2316: 2296: 2248: 2219: 2174: 2154: 2124:, for instance) takes 2096: 2046: 2026: 2006: 1959: 1912: 1888: 1816: 1776: 1753: 1699: 1554: 1514:symmetric matrix with 1508: 1482: 1462: 1442: 1409: 1339: 1294: 1251: 1206: 1150: 1105: 1060: 1007: 922: 877: 832: 812: 770: 635: 500: 415: 395: 351: 311: 284: 264: 218: 198: 178: 140: 139:{\displaystyle w_{ij}} 86:Automatic analysis of 3489: 3432: 3388: 3329: 3235: 3208: 3206:{\displaystyle w_{i}} 3181: 3119: 3117:{\displaystyle m^{*}} 3089: 3032: 2973: 2953: 2902: 2851: 2749: 2657: 2451: 2412: 2397:be a shape parameter( 2392: 2317: 2297: 2249: 2220: 2175: 2155: 2097: 2047: 2027: 2007: 1960: 1913: 1889: 1817: 1777: 1754: 1700: 1555: 1509: 1483: 1463: 1448:diagonal matrix with 1443: 1410: 1340: 1295: 1252: 1207: 1151: 1106: 1061: 1008: 923: 878: 833: 813: 771: 636: 501: 416: 396: 357:have low similarity. 352: 312: 310:{\displaystyle V_{i}} 285: 265: 219: 199: 179: 141: 3742:J. Winn, N. Joijic. 3441: 3399: 3351: 3247: 3217: 3190: 3128: 3101: 3041: 3037:and a contrast term 2982: 2962: 2911: 2860: 2758: 2670: 2463: 2425: 2401: 2381: 2306: 2295:{\displaystyle O(n)} 2277: 2247:{\displaystyle O(n)} 2229: 2218:{\displaystyle O(n)} 2200: 2164: 2128: 2059: 2036: 2016: 1978: 1922: 1902: 1829: 1787: 1763: 1759:, for some constant 1715: 1570: 1518: 1492: 1472: 1452: 1426: 1364: 1304: 1265: 1216: 1163: 1115: 1070: 1017: 935: 887: 842: 822: 783: 648: 513: 431: 405: 385: 321: 294: 274: 228: 208: 188: 150: 120: 3566:2017NatSR...714029L 2194:Matrix-free methods 2186:matrix-free fashion 1347:spectral techniques 50:spectral clustering 3780:Image segmentation 3554:Scientific Reports 3484: 3427: 3383: 3324: 3288: 3278: 3230: 3203: 3176: 3140: 3114: 3097:The best labeling 3084: 3027: 2968: 2948: 2897: 2846: 2744: 2652: 2446: 2407: 2387: 2359:graph partitioning 2355:image segmentation 2312: 2292: 2244: 2215: 2170: 2150: 2092: 2042: 2022: 2002: 1955: 1908: 1884: 1812: 1775:{\displaystyle -b} 1772: 1749: 1695: 1642: 1601: 1550: 1504: 1478: 1458: 1438: 1405: 1391: 1353:The ncut algorithm 1335: 1290: 1247: 1202: 1146: 1101: 1056: 1003: 918: 873: 828: 808: 766: 631: 496: 482: 411: 391: 347: 307: 280: 270:of the vertex set 260: 214: 194: 174: 136: 34:graph partitioning 29:image segmentation 3279: 3269: 3131: 2315:{\displaystyle n} 2263:Lanczos algorithm 2190:Lanczos algorithm 2173:{\displaystyle n} 2045:{\displaystyle W} 2025:{\displaystyle D} 1911:{\displaystyle y} 1882: 1693: 1633: 1625: 1595: 1573: 1481:{\displaystyle W} 1461:{\displaystyle d} 1382: 1330: 1285: 1242: 1191: 1141: 1096: 1045: 998: 961: 913: 868: 831:{\displaystyle G} 803: 764: 717: 629: 582: 455: 414:{\displaystyle B} 394:{\displaystyle A} 283:{\displaystyle V} 217:{\displaystyle j} 197:{\displaystyle i} 72:Medical diagnosis 62:Image compression 16:(Redirected from 3787: 3760: 3753: 3747: 3740: 3734: 3727: 3721: 3714: 3708: 3701: 3695: 3688: 3682: 3681: 3671: 3665: 3664: 3646: 3640: 3639: 3629: 3623: 3622: 3615: 3609: 3602: 3596: 3595: 3585: 3560:(14029): 14029. 3545: 3509:Other approaches 3493: 3491: 3490: 3485: 3477: 3472: 3471: 3453: 3452: 3436: 3434: 3433: 3428: 3423: 3422: 3392: 3390: 3389: 3384: 3382: 3381: 3363: 3362: 3333: 3331: 3330: 3325: 3320: 3319: 3298: 3297: 3287: 3277: 3259: 3258: 3239: 3237: 3236: 3231: 3229: 3228: 3212: 3210: 3209: 3204: 3202: 3201: 3185: 3183: 3182: 3177: 3172: 3171: 3150: 3149: 3139: 3123: 3121: 3120: 3115: 3113: 3112: 3093: 3091: 3090: 3085: 3080: 3079: 3067: 3066: 3057: 3036: 3034: 3033: 3028: 3023: 3022: 3010: 3009: 2997: 2996: 2977: 2975: 2974: 2969: 2957: 2955: 2954: 2949: 2941: 2936: 2935: 2923: 2922: 2906: 2904: 2903: 2898: 2893: 2892: 2883: 2872: 2871: 2855: 2853: 2852: 2847: 2842: 2841: 2829: 2828: 2819: 2799: 2798: 2786: 2785: 2773: 2772: 2753: 2751: 2750: 2745: 2737: 2732: 2731: 2719: 2718: 2703: 2702: 2693: 2682: 2681: 2661: 2659: 2658: 2653: 2648: 2647: 2635: 2634: 2625: 2605: 2604: 2592: 2591: 2579: 2578: 2554: 2549: 2548: 2536: 2535: 2520: 2519: 2510: 2499: 2498: 2455: 2453: 2452: 2447: 2416: 2414: 2413: 2408: 2396: 2394: 2393: 2388: 2349:problem for the 2345:for solving the 2321: 2319: 2318: 2313: 2301: 2299: 2298: 2293: 2253: 2251: 2250: 2245: 2224: 2222: 2221: 2216: 2179: 2177: 2176: 2171: 2159: 2157: 2156: 2151: 2146: 2145: 2101: 2099: 2098: 2093: 2051: 2049: 2048: 2043: 2031: 2029: 2028: 2023: 2011: 2009: 2008: 2003: 1964: 1962: 1961: 1956: 1917: 1915: 1914: 1909: 1893: 1891: 1890: 1885: 1883: 1881: 1874: 1873: 1863: 1844: 1843: 1833: 1821: 1819: 1818: 1813: 1799: 1798: 1781: 1779: 1778: 1773: 1758: 1756: 1755: 1750: 1727: 1726: 1704: 1702: 1701: 1696: 1694: 1692: 1685: 1684: 1674: 1655: 1654: 1644: 1641: 1626: 1618: 1600: 1596: 1588: 1559: 1557: 1556: 1551: 1549: 1548: 1533: 1532: 1513: 1511: 1510: 1505: 1487: 1485: 1484: 1479: 1467: 1465: 1464: 1459: 1447: 1445: 1444: 1439: 1414: 1412: 1411: 1406: 1404: 1403: 1390: 1344: 1342: 1341: 1336: 1331: 1323: 1299: 1297: 1296: 1291: 1286: 1278: 1256: 1254: 1253: 1248: 1243: 1235: 1211: 1209: 1208: 1203: 1198: 1197: 1192: 1184: 1178: 1177: 1159:Computing a cut 1155: 1153: 1152: 1147: 1142: 1134: 1110: 1108: 1107: 1102: 1097: 1089: 1065: 1063: 1062: 1057: 1052: 1051: 1046: 1038: 1032: 1031: 1012: 1010: 1009: 1004: 999: 991: 962: 954: 927: 925: 924: 919: 914: 906: 882: 880: 879: 874: 869: 861: 837: 835: 834: 829: 817: 815: 814: 809: 804: 796: 775: 773: 772: 767: 765: 763: 743: 723: 718: 716: 696: 676: 640: 638: 637: 632: 630: 628: 608: 588: 583: 581: 561: 541: 505: 503: 502: 497: 495: 494: 481: 420: 418: 417: 412: 400: 398: 397: 392: 356: 354: 353: 348: 346: 345: 333: 332: 316: 314: 313: 308: 306: 305: 289: 287: 286: 281: 269: 267: 266: 261: 259: 258: 240: 239: 223: 221: 220: 215: 203: 201: 200: 195: 183: 181: 180: 175: 145: 143: 142: 137: 135: 134: 21: 3795: 3794: 3790: 3789: 3788: 3786: 3785: 3784: 3765: 3764: 3763: 3754: 3750: 3741: 3737: 3728: 3724: 3715: 3711: 3702: 3698: 3689: 3685: 3672: 3668: 3647: 3643: 3630: 3626: 3617: 3616: 3612: 3604:Jianbo Shi and 3603: 3599: 3546: 3542: 3538: 3514:Jigsaw approach 3511: 3473: 3467: 3463: 3448: 3444: 3442: 3439: 3438: 3418: 3414: 3400: 3397: 3396: 3377: 3373: 3358: 3354: 3352: 3349: 3348: 3341: 3315: 3311: 3293: 3289: 3283: 3273: 3254: 3250: 3248: 3245: 3244: 3224: 3220: 3218: 3215: 3214: 3197: 3193: 3191: 3188: 3187: 3167: 3163: 3145: 3141: 3135: 3129: 3126: 3125: 3108: 3104: 3102: 3099: 3098: 3075: 3071: 3062: 3058: 3053: 3042: 3039: 3038: 3018: 3014: 3005: 3001: 2989: 2985: 2983: 2980: 2979: 2963: 2960: 2959: 2937: 2931: 2927: 2918: 2914: 2912: 2909: 2908: 2888: 2884: 2879: 2867: 2863: 2861: 2858: 2857: 2837: 2833: 2824: 2820: 2815: 2794: 2790: 2781: 2777: 2765: 2761: 2759: 2756: 2755: 2733: 2727: 2723: 2714: 2710: 2698: 2694: 2689: 2677: 2673: 2671: 2668: 2667: 2643: 2639: 2630: 2626: 2621: 2600: 2596: 2587: 2583: 2571: 2567: 2550: 2544: 2540: 2531: 2527: 2515: 2511: 2506: 2494: 2490: 2464: 2461: 2460: 2426: 2423: 2422: 2402: 2399: 2398: 2382: 2379: 2378: 2367: 2351:graph Laplacian 2328: 2307: 2304: 2303: 2278: 2275: 2274: 2267:Preconditioning 2259:ill-conditioned 2230: 2227: 2226: 2201: 2198: 2197: 2165: 2162: 2161: 2141: 2137: 2129: 2126: 2125: 2118: 2060: 2057: 2056: 2037: 2034: 2033: 2017: 2014: 2013: 1979: 1976: 1975: 1923: 1920: 1919: 1903: 1900: 1899: 1869: 1865: 1864: 1839: 1835: 1834: 1832: 1830: 1827: 1826: 1794: 1790: 1788: 1785: 1784: 1764: 1761: 1760: 1722: 1718: 1716: 1713: 1712: 1680: 1676: 1675: 1650: 1646: 1645: 1643: 1637: 1617: 1587: 1577: 1571: 1568: 1567: 1541: 1537: 1525: 1521: 1519: 1516: 1515: 1493: 1490: 1489: 1473: 1470: 1469: 1453: 1450: 1449: 1427: 1424: 1423: 1396: 1392: 1386: 1365: 1362: 1361: 1355: 1322: 1305: 1302: 1301: 1277: 1266: 1263: 1262: 1234: 1217: 1214: 1213: 1212:that minimizes 1193: 1183: 1182: 1173: 1169: 1164: 1161: 1160: 1133: 1116: 1113: 1112: 1111:also maximizes 1088: 1071: 1068: 1067: 1066:that minimizes 1047: 1037: 1036: 1027: 1023: 1018: 1015: 1014: 990: 953: 936: 933: 932: 905: 888: 885: 884: 860: 843: 840: 839: 823: 820: 819: 795: 784: 781: 780: 744: 724: 722: 697: 677: 675: 649: 646: 645: 609: 589: 587: 562: 542: 540: 514: 511: 510: 487: 483: 459: 432: 429: 428: 406: 403: 402: 386: 383: 382: 363: 361:Normalized cuts 341: 337: 328: 324: 322: 319: 318: 301: 297: 295: 292: 291: 275: 272: 271: 254: 250: 235: 231: 229: 226: 225: 209: 206: 205: 189: 186: 185: 151: 148: 147: 127: 123: 121: 118: 117: 114: 109: 58: 23: 22: 15: 12: 11: 5: 3793: 3783: 3782: 3777: 3762: 3761: 3748: 3735: 3722: 3709: 3696: 3683: 3666: 3641: 3624: 3610: 3606:Jitendra Malik 3597: 3539: 3537: 3534: 3533: 3532: 3527: 3524: 3521: 3518: 3517:Image parsing 3515: 3510: 3507: 3506: 3505: 3494: 3483: 3480: 3476: 3470: 3466: 3462: 3459: 3456: 3451: 3447: 3426: 3421: 3417: 3413: 3410: 3407: 3404: 3393: 3380: 3376: 3372: 3369: 3366: 3361: 3357: 3345: 3340: 3337: 3336: 3335: 3323: 3318: 3314: 3310: 3307: 3304: 3301: 3296: 3292: 3286: 3282: 3276: 3272: 3268: 3265: 3262: 3257: 3253: 3227: 3223: 3200: 3196: 3175: 3170: 3166: 3162: 3159: 3156: 3153: 3148: 3144: 3138: 3134: 3111: 3107: 3083: 3078: 3074: 3070: 3065: 3061: 3056: 3052: 3049: 3046: 3026: 3021: 3017: 3013: 3008: 3004: 3000: 2995: 2992: 2988: 2967: 2947: 2944: 2940: 2934: 2930: 2926: 2921: 2917: 2896: 2891: 2887: 2882: 2878: 2875: 2870: 2866: 2845: 2840: 2836: 2832: 2827: 2823: 2818: 2814: 2811: 2808: 2805: 2802: 2797: 2793: 2789: 2784: 2780: 2776: 2771: 2768: 2764: 2743: 2740: 2736: 2730: 2726: 2722: 2717: 2713: 2709: 2706: 2701: 2697: 2692: 2688: 2685: 2680: 2676: 2664: 2663: 2651: 2646: 2642: 2638: 2633: 2629: 2624: 2620: 2617: 2614: 2611: 2608: 2603: 2599: 2595: 2590: 2586: 2582: 2577: 2574: 2570: 2566: 2563: 2560: 2557: 2553: 2547: 2543: 2539: 2534: 2530: 2526: 2523: 2518: 2514: 2509: 2505: 2502: 2497: 2493: 2489: 2486: 2483: 2480: 2477: 2474: 2471: 2468: 2445: 2442: 2439: 2436: 2433: 2430: 2406: 2386: 2366: 2363: 2327: 2324: 2311: 2291: 2288: 2285: 2282: 2243: 2240: 2237: 2234: 2214: 2211: 2208: 2205: 2169: 2149: 2144: 2140: 2136: 2133: 2117: 2114: 2113: 2112: 2109: 2106: 2103: 2091: 2088: 2085: 2082: 2079: 2076: 2073: 2070: 2067: 2064: 2053: 2041: 2021: 2001: 1998: 1995: 1992: 1989: 1986: 1983: 1954: 1951: 1948: 1945: 1942: 1939: 1936: 1933: 1930: 1927: 1907: 1880: 1877: 1872: 1868: 1862: 1859: 1856: 1853: 1850: 1847: 1842: 1838: 1823: 1822: 1811: 1808: 1805: 1802: 1797: 1793: 1782: 1771: 1768: 1748: 1745: 1742: 1739: 1736: 1733: 1730: 1725: 1721: 1706: 1705: 1691: 1688: 1683: 1679: 1673: 1670: 1667: 1664: 1661: 1658: 1653: 1649: 1640: 1636: 1632: 1629: 1624: 1621: 1616: 1613: 1610: 1607: 1604: 1599: 1594: 1591: 1586: 1583: 1580: 1576: 1547: 1544: 1540: 1536: 1531: 1528: 1524: 1503: 1500: 1497: 1477: 1457: 1437: 1434: 1431: 1416: 1415: 1402: 1399: 1395: 1389: 1385: 1381: 1378: 1375: 1372: 1369: 1354: 1351: 1334: 1329: 1326: 1321: 1318: 1315: 1312: 1309: 1289: 1284: 1281: 1276: 1273: 1270: 1246: 1241: 1238: 1233: 1230: 1227: 1224: 1221: 1201: 1196: 1190: 1187: 1181: 1176: 1172: 1168: 1145: 1140: 1137: 1132: 1129: 1126: 1123: 1120: 1100: 1095: 1092: 1087: 1084: 1081: 1078: 1075: 1055: 1050: 1044: 1041: 1035: 1030: 1026: 1022: 1002: 997: 994: 989: 986: 983: 980: 977: 974: 971: 968: 965: 960: 957: 952: 949: 946: 943: 940: 917: 912: 909: 904: 901: 898: 895: 892: 872: 867: 864: 859: 856: 853: 850: 847: 827: 807: 802: 799: 794: 791: 788: 777: 776: 762: 759: 756: 753: 750: 747: 742: 739: 736: 733: 730: 727: 721: 715: 712: 709: 706: 703: 700: 695: 692: 689: 686: 683: 680: 674: 671: 668: 665: 662: 659: 656: 653: 642: 641: 627: 624: 621: 618: 615: 612: 607: 604: 601: 598: 595: 592: 586: 580: 577: 574: 571: 568: 565: 560: 557: 554: 551: 548: 545: 539: 536: 533: 530: 527: 524: 521: 518: 507: 506: 493: 490: 486: 480: 477: 474: 471: 468: 465: 462: 458: 454: 451: 448: 445: 442: 439: 436: 410: 390: 362: 359: 344: 340: 336: 331: 327: 304: 300: 279: 257: 253: 249: 246: 243: 238: 234: 213: 193: 173: 170: 167: 164: 161: 158: 155: 133: 130: 126: 113: 110: 108: 105: 104: 103: 102: 101: 96:Transportation 93: 92: 91: 88:remote sensing 79: 78: 77: 69: 68: 67: 57: 54: 9: 6: 4: 3: 2: 3792: 3781: 3778: 3776: 3773: 3772: 3770: 3758: 3752: 3745: 3739: 3732: 3726: 3719: 3713: 3706: 3700: 3693: 3687: 3679: 3678: 3670: 3662: 3658: 3654: 3653: 3645: 3637: 3636: 3628: 3620: 3614: 3607: 3601: 3593: 3589: 3584: 3579: 3575: 3571: 3567: 3563: 3559: 3555: 3551: 3544: 3540: 3531: 3528: 3525: 3522: 3519: 3516: 3513: 3512: 3503: 3499: 3495: 3478: 3468: 3457: 3454: 3449: 3445: 3419: 3411: 3408: 3402: 3394: 3378: 3370: 3367: 3364: 3359: 3346: 3343: 3342: 3316: 3308: 3305: 3299: 3294: 3290: 3284: 3274: 3266: 3263: 3260: 3255: 3251: 3243: 3242: 3241: 3225: 3198: 3194: 3168: 3160: 3157: 3151: 3146: 3142: 3136: 3109: 3105: 3095: 3076: 3072: 3068: 3063: 3059: 3050: 3044: 3019: 3015: 3011: 3006: 3002: 2993: 2990: 2932: 2928: 2919: 2915: 2889: 2885: 2876: 2868: 2864: 2838: 2834: 2830: 2825: 2821: 2812: 2806: 2803: 2795: 2791: 2787: 2782: 2778: 2769: 2766: 2728: 2724: 2715: 2711: 2707: 2699: 2695: 2686: 2678: 2674: 2644: 2640: 2636: 2631: 2627: 2618: 2612: 2609: 2601: 2597: 2593: 2588: 2584: 2575: 2572: 2564: 2561: 2545: 2541: 2532: 2528: 2524: 2516: 2512: 2503: 2495: 2491: 2487: 2484: 2475: 2472: 2466: 2459: 2458: 2457: 2437: 2434: 2428: 2420: 2375: 2373: 2362: 2360: 2357:via spectral 2356: 2352: 2348: 2344: 2340: 2336: 2332: 2323: 2309: 2286: 2280: 2272: 2268: 2264: 2260: 2255: 2238: 2232: 2209: 2203: 2195: 2191: 2187: 2181: 2167: 2142: 2138: 2131: 2123: 2110: 2107: 2104: 2089: 2086: 2083: 2080: 2077: 2071: 2068: 2065: 2054: 2039: 2019: 1996: 1993: 1990: 1984: 1981: 1973: 1972: 1971: 1970: 1966: 1952: 1949: 1946: 1943: 1940: 1934: 1931: 1928: 1905: 1897: 1878: 1875: 1870: 1866: 1860: 1854: 1851: 1848: 1840: 1836: 1809: 1806: 1803: 1800: 1795: 1791: 1783: 1769: 1766: 1743: 1740: 1737: 1734: 1728: 1723: 1719: 1711: 1710: 1709: 1689: 1686: 1681: 1677: 1671: 1665: 1662: 1659: 1651: 1647: 1638: 1630: 1619: 1614: 1611: 1605: 1602: 1589: 1584: 1581: 1566: 1565: 1564: 1561: 1545: 1542: 1538: 1534: 1529: 1526: 1522: 1501: 1498: 1495: 1475: 1455: 1435: 1432: 1429: 1421: 1400: 1397: 1393: 1387: 1379: 1373: 1367: 1360: 1359: 1358: 1350: 1348: 1324: 1319: 1316: 1310: 1307: 1279: 1274: 1271: 1260: 1236: 1231: 1228: 1222: 1219: 1194: 1185: 1179: 1174: 1170: 1157: 1135: 1130: 1127: 1121: 1118: 1090: 1085: 1082: 1076: 1073: 1048: 1039: 1033: 1028: 1024: 992: 987: 984: 978: 975: 972: 969: 966: 955: 950: 947: 941: 938: 929: 907: 902: 899: 893: 890: 862: 857: 854: 848: 845: 825: 797: 792: 789: 757: 754: 751: 745: 737: 734: 731: 725: 719: 710: 707: 704: 698: 690: 687: 684: 678: 672: 666: 663: 660: 654: 651: 644: 643: 622: 619: 616: 610: 602: 599: 596: 590: 584: 575: 572: 569: 563: 555: 552: 549: 543: 537: 531: 528: 525: 519: 516: 509: 508: 491: 488: 484: 478: 475: 472: 469: 466: 463: 460: 452: 446: 443: 440: 434: 427: 426: 425: 422: 408: 388: 380: 376: 372: 368: 358: 342: 338: 334: 329: 325: 302: 298: 277: 255: 251: 247: 244: 241: 236: 232: 211: 191: 171: 168: 162: 159: 156: 131: 128: 124: 99: 98: 97: 94: 89: 85: 84: 83: 80: 75: 74: 73: 70: 65: 64: 63: 60: 59: 53: 51: 47: 43: 39: 35: 30: 19: 3751: 3738: 3725: 3712: 3699: 3691: 3686: 3676: 3669: 3651: 3644: 3634: 3627: 3613: 3600: 3557: 3553: 3543: 3501: 3096: 2665: 2376: 2371: 2368: 2331:scikit-learn 2329: 2322:components. 2256: 2182: 2122:QR algorithm 2119: 1968: 1967: 1824: 1707: 1562: 1419: 1417: 1356: 1158: 930: 778: 423: 378: 374: 370: 366: 364: 115: 95: 81: 71: 61: 45: 26: 2353:to perform 1825:Minimizing 146:of an edge 42:maximum cut 38:minimum cut 3769:Categories 3536:References 3526:LayoutCRF 3437:and using 3124:minimizes 2347:eigenvalue 1418:Also, let 3465:Θ 3416:Θ 3375:Θ 3368:⋯ 3356:Θ 3339:Algorithm 3313:Θ 3281:∑ 3267:⁡ 3256:∗ 3222:Θ 3165:Θ 3133:∑ 3110:∗ 3045:ϕ 2987:Ψ 2966:Θ 2943:Θ 2916:ϕ 2865:ϕ 2807:ϕ 2763:Ψ 2739:Θ 2712:ϕ 2675:ϕ 2666:The term 2613:ϕ 2569:Ψ 2565:∑ 2556:Θ 2529:ϕ 2492:ϕ 2488:∑ 2479:Θ 2441:Θ 2405:Θ 2385:Θ 2084:λ 2069:− 1947:λ 1932:− 1852:− 1767:− 1741:− 1729:∈ 1663:− 1623:¯ 1606:⁡ 1593:¯ 1499:× 1433:× 1384:∑ 1328:¯ 1311:⁡ 1283:¯ 1240:¯ 1223:⁡ 1195:∗ 1189:¯ 1175:∗ 1139:¯ 1122:⁡ 1094:¯ 1077:⁡ 1049:∗ 1043:¯ 1029:∗ 996:¯ 979:⁡ 973:− 959:¯ 942:⁡ 911:¯ 894:⁡ 866:¯ 849:⁡ 801:¯ 655:⁡ 520:⁡ 476:∈ 464:∈ 457:∑ 245:⋯ 169:∈ 3592:29070859 3186:, where 1013:, a cut 3583:5656590 3562:Bibcode 2365:OBJ CUT 1896:NP-hard 1259:NP-hard 3590:  3580:  3523:LOCUS 3498:MINCUT 2335:LOBPCG 2271:LOBPCG 2254:time. 2055:Solve 1488:be an 1422:be an 1345:using 1257:is an 1119:nassoc 976:nassoc 931:Since 891:nassoc 652:nassoc 2341:with 2339:SciPy 2337:from 2333:uses 1357:Let: 424:Let: 36:via 3588:PMID 2032:and 1603:ncut 1308:ncut 1220:ncut 1074:ncut 939:ncut 846:ncut 517:ncut 401:and 365:Let 204:and 27:The 3657:doi 3578:PMC 3570:doi 3334:(2) 3271:min 3264:arg 2662:(1) 1635:min 1575:min 818:in 369:= ( 40:or 3771:: 3586:. 3576:. 3568:. 3556:. 3552:. 3240:. 3094:. 2374:. 2265:. 2192:. 1560:. 1349:. 1156:. 838:, 377:, 373:, 44:. 3663:. 3659:: 3621:. 3594:. 3572:: 3564:: 3558:7 3504:. 3502:m 3482:) 3479:Z 3475:| 3469:i 3461:( 3458:g 3455:= 3450:i 3446:w 3425:) 3420:i 3412:, 3409:m 3406:( 3403:E 3379:s 3371:, 3365:, 3360:1 3322:) 3317:i 3309:, 3306:m 3303:( 3300:E 3295:i 3291:w 3285:i 3275:m 3261:= 3252:m 3226:i 3199:i 3195:w 3174:) 3169:i 3161:, 3158:m 3155:( 3152:E 3147:i 3143:w 3137:i 3106:m 3082:) 3077:y 3073:m 3069:, 3064:x 3060:m 3055:| 3051:D 3048:( 3025:) 3020:y 3016:m 3012:, 3007:x 3003:m 2999:( 2994:y 2991:x 2946:) 2939:| 2933:x 2929:m 2925:( 2920:x 2895:) 2890:x 2886:m 2881:| 2877:D 2874:( 2869:x 2844:) 2839:y 2835:m 2831:, 2826:x 2822:m 2817:| 2813:D 2810:( 2804:+ 2801:) 2796:y 2792:m 2788:, 2783:x 2779:m 2775:( 2770:y 2767:x 2742:) 2735:| 2729:x 2725:m 2721:( 2716:x 2708:+ 2705:) 2700:x 2696:m 2691:| 2687:D 2684:( 2679:x 2650:) 2645:y 2641:m 2637:, 2632:x 2628:m 2623:| 2619:D 2616:( 2610:+ 2607:) 2602:y 2598:m 2594:, 2589:x 2585:m 2581:( 2576:y 2573:x 2562:+ 2559:) 2552:| 2546:x 2542:m 2538:( 2533:x 2525:+ 2522:) 2517:x 2513:m 2508:| 2504:D 2501:( 2496:x 2485:= 2482:) 2476:, 2473:m 2470:( 2467:E 2444:) 2438:, 2435:m 2432:( 2429:E 2372:m 2310:n 2290:) 2287:n 2284:( 2281:O 2242:) 2239:n 2236:( 2233:O 2213:) 2210:n 2207:( 2204:O 2168:n 2148:) 2143:3 2139:n 2135:( 2132:O 2090:y 2087:D 2081:= 2078:y 2075:) 2072:W 2066:D 2063:( 2052:. 2040:W 2020:D 2000:) 1997:E 1994:, 1991:V 1988:( 1985:= 1982:G 1953:y 1950:D 1944:= 1941:y 1938:) 1935:W 1929:D 1926:( 1906:y 1879:y 1876:D 1871:T 1867:y 1861:y 1858:) 1855:W 1849:D 1846:( 1841:T 1837:y 1810:0 1807:= 1804:1 1801:D 1796:t 1792:y 1770:b 1747:} 1744:b 1738:, 1735:1 1732:{ 1724:i 1720:y 1690:y 1687:D 1682:T 1678:y 1672:y 1669:) 1666:W 1660:D 1657:( 1652:T 1648:y 1639:y 1631:= 1628:) 1620:S 1615:, 1612:S 1609:( 1598:) 1590:S 1585:, 1582:S 1579:( 1546:i 1543:j 1539:w 1535:= 1530:j 1527:i 1523:w 1502:n 1496:n 1476:W 1456:d 1436:n 1430:n 1420:D 1401:j 1398:i 1394:w 1388:j 1380:= 1377:) 1374:i 1371:( 1368:d 1333:) 1325:S 1320:, 1317:S 1314:( 1288:) 1280:S 1275:, 1272:S 1269:( 1245:) 1237:S 1232:, 1229:S 1226:( 1200:) 1186:S 1180:, 1171:S 1167:( 1144:) 1136:S 1131:, 1128:S 1125:( 1099:) 1091:S 1086:, 1083:S 1080:( 1054:) 1040:S 1034:, 1025:S 1021:( 1001:) 993:S 988:, 985:S 982:( 970:2 967:= 964:) 956:S 951:, 948:S 945:( 916:) 908:S 903:, 900:S 897:( 871:) 863:S 858:, 855:S 852:( 826:G 806:) 798:S 793:, 790:S 787:( 761:) 758:V 755:, 752:B 749:( 746:w 741:) 738:B 735:, 732:B 729:( 726:w 720:+ 714:) 711:V 708:, 705:A 702:( 699:w 694:) 691:A 688:, 685:A 682:( 679:w 673:= 670:) 667:B 664:, 661:A 658:( 626:) 623:V 620:, 617:B 614:( 611:w 606:) 603:B 600:, 597:A 594:( 591:w 585:+ 579:) 576:V 573:, 570:A 567:( 564:w 559:) 556:B 553:, 550:A 547:( 544:w 538:= 535:) 532:B 529:, 526:A 523:( 492:j 489:i 485:w 479:B 473:j 470:, 467:A 461:i 453:= 450:) 447:B 444:, 441:A 438:( 435:w 409:B 389:A 379:w 375:E 371:V 367:G 343:j 339:V 335:, 330:i 326:V 303:i 299:V 278:V 256:k 252:V 248:, 242:, 237:1 233:V 212:j 192:i 172:E 166:) 163:j 160:, 157:i 154:( 132:j 129:i 125:w 20:)

Index

Segmentation based object categorization
image segmentation
graph partitioning
minimum cut
maximum cut
spectral clustering
remote sensing
NP-hard
spectral techniques
NP-hard
QR algorithm
matrix-free fashion
Lanczos algorithm
Matrix-free methods
ill-conditioned
Lanczos algorithm
Preconditioning
LOBPCG
scikit-learn
LOBPCG
SciPy
algebraic multigrid preconditioning
eigenvalue
graph Laplacian
image segmentation
graph partitioning
layered pictorial structure
MINCUT
Minimum spanning tree-based segmentation
"Revealing the day-to-day regularity of urban congestion patterns with 3D speed maps"

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