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Flickr reached 5,000,000,000 photos on September 19, 2010. http://blog.flickr.net/en/2010/09/19/5000000000/ 2

http://www.flickr.com/photos/kullin/4999988381/ 3

http://twitter.com/randizuckerberg/status/22187407218577408# 4

Thematic area # submitted % over submitted # accepted % over accepted % acceptance in area Object and Scene Recognition 192 16.4% 66 20.3% 34.4% Segmentation and Grouping 129 11.0% 28 8.6% 21.7% Face, Gesture, Biometrics 125 10.6% 32 9.8% 25.6% Motion and Tracking 119 10.1% 27 8.3% 22.7% Statistical Models and Visual Learning 101 8.6% 30 9.2% 29.7% Matching, Registration, Alignment 90 7.7% 21 6.5% 23.3% Computational Imaging 74 6.3% 24 7.4% 32.4% Multi view Geometry 67 5.7% 24 7.4% 35.8% Image Features 66 5.6% 17 5.2% 25.8% Video and Event Characterization 62 5.3% 14 4.3% 22.6% Shape Representation and Recognition 48 4.1% 19 5.8% 39.6% Stereo 38 3.2% 4 1.2% 10.5% Reflectance, Illumination, Color 37 3.2% 14 4.3% 37.8% Medical Image Analysis 26 2.2% 5 1.5% 19.2% Total 1174 325 5

6 http://cvpr2011.org/index.html

The state of the world The gathered data The processed data w d r I ( W; D ) I ( W; R ) The data processing theorem states that data processing can only destroy information. 7 David J.C. MacKay. Information Theory, Inference, and Learning Algorithms. Cambridge University Press 2003.

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Deng et al., CVPR2009 12

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french fries mashed potato black olive face powder crab apple Granny Smith strawberry blueberry cranberry currant blackberry raspberry persimmon mul berry orange kumquat lemon grapefruit plum fig pineapple banana jackfruit cher ry grape custard apple durian mango elderberry guava litchi pomegranate quince kidney bean soy green pea chickpea chard lettuce cress spinach bell pepper pimento jalapeno cherry tomato parsnip turnip mustard bok choy head cabbage broccoli cauliflower brussels sprouts zucchini spaghetti squash acorn squash butternut squash cucumber artichoke asparagus green onion shallot leek cardoon celery mushroom pumpkin cliff lunar crater valley alp volcano promontory sandbar dune coral reef lakeside seashore geyser bakery juniper berry gourd acorn olive hip ear pumpkin seed sunflower seed coffee bean rapeseed corn buckeye bean peanut walnut cashew chestnut hazelnut coco nut pecan pistachio lentil pea peanut okra sunflower lesser celandine wood anemone blue columbine delphinium nigella calla lily sandwort pink baby s breath ice plant globe amaranth four o clock l Virginia i i spring beauty wallflower damask violet candytuft Iceland poppy prickly poppy oriental poppy celandine blue poppy Welsh poppy celandine poppy corydalis pearly everlasting strawflower yellow chamomile dusty miller tansy daisy common marigold China aster cornflower chrysanthemum mistflower など 15

フライドポテトはジャガイモのマッシュアップブラックオリーブブ白粉のカニリンゴグラニースミスのイチゴブルーベリークランベリーカラントブラックベリーラズベリーの柿桑オレンジキンカンレモングレープフルーツ梅図パイナップルバナナジャックフルーツ桜のブドウカスタードアップルをドリアンマンゴーニワトコグアバライチザクロカリンインゲン大豆グリーンピースのひよこ豆のフダンソウのレタスクレソンのほうれん草ピーマンピーマンハラペーニョミニトマトパースニップカブマスタードボクは菜ヘッドキャベツブロッコリーカリフラワー芽キャベツのズッキーニのスパゲティは スカッシュスカッシュドングリバタースカッシュキュウリはアーティチョークアスパラガスねぎエシャロットをネギカルドンのセロリマッシュルームカボチャの崖の月面のクレーターの谷アルプスの火山岬砂州の砂丘にサンゴ礁を湖畔海岸間欠泉のパン屋さんジュニパーベリーは ヒョウタンドングリオリーブヒップ耳カボチャの種ヒマワリの種コーヒー豆の菜種トウモロコシバックアイ豆ピーナッツクルミカシューナッツ栗ヘーゼルナッツココナッツピーカンナッツピスタチオ豆豆ピーナッツオクラヒマワリ低いクサノオウの木のクマノミブルーコロンバインデルフィニウムニゲラのカーラリリー sandwort ピンク赤ちゃんの呼吸アイスプラントの世界をアマランサス四 Oの ' クロックバージニア春の美しさの壁の花のダマスクバイオレットキャンディータフトアイスランドポピー厄介ポピーオリエンタルポピークサノオウ青いケシウェルシュポピークサノオウケシキケマン真珠のような永遠のストローフィールド黄色のカモミールダスティーミラーのヨモギギクにデイジーチェーン共通マリーゴールドエゾギクコーンフラワーキクキク科ヒヨドリバナ属の多年草のなど 16

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http://www.image net.org/challenges/lsvrc/2010/pascal_ilsvrc.pdf 18

NEC: LLC, SV XRCE: Fisher Vector NEC: HOG, LBP XRCE: SIFT, Color Local Descriptors Semi local feature Spatial Pyramid Image Feature Linear Classifier Linear SVMs Category 19

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10 1 2 7 4 3 7 1 10 1 2 2 10 7 22

w 3 w 1 w 4 R d w 2 23

Image Local descriptors in feature space PDF estimation 24

Generative approach Image Local ldescriptors in feature space Fisher Kernel Feature F. Perronnin and C. Dance. Fisher kernels on visual vocabularies for image categorization. CVPR, 2007. Discriminative approach Discriminative classifier Classifier PDF estimation vector e.g., SVMs Fisher Vector Category 25

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http://www.image net.org/challenges/lsvrc/2010/ilsvrc2010_xrce.pdf pdf Bag of Visual Words (GMM) Fisher Vector 30

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q(x) u(x) 32

http://www.image net.org/challenges/lsvrc/2010/ilsvrc2010_xrce.pdf 33

http://www.image net.org/challenges/lsvrc/2010/ilsvrc2010_xrce.pdf pdf 34

35 Asymmetric Distance Computation

H. Jegou, M. Douze, C. Schmid, and P. Perez. Aggregating local descriptors into a compact image representation. CVPR, 2010. 36

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X. Zhou, K. Yu, T. Zhang, and T.S. TS Huang. Image classification using super vector coding of local image descriptors. ECCV, 2010. 40

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J. Yang, K. Yu, Y. Gong, and T. Huang. Linear spatial pyramid matching using sparse coding for image classification. CVPR, 2009. 45

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http://www.image net.org/challenges/lsvrc/2010/ilsvrc2010_nec UIUC.pdf /hll / / / 47

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http://www.image net.org/challenges/lsvrc/2010/ilsvrc2010_nec UIUC.pdf / h /LSVRC/2010/ILSVRC2010 49

htt // i t / h ll /LSVRC/2010/ILSVRC2010 NEC UIUC http://www.image net.org/challenges/lsvrc/2010/ilsvrc2010_nec UIUC.pdf 50

Super Vector Coding VLAD GMM + Bag of Visual Words Fisher Vector Sparse Coding Global Gaussian H. Nakayama, T. Harada, and Y. Kuniyoshi. Global Gaussian Approach for Scene Categorization Using Information Geometry. In CVPR, 2010. Local Coordinate Coding Bag of Visual Words Locality constrained t i Linear Coding 51

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