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THUMOS’13 Action Recognition with a Large Number of Classes

THUMOS’13 Action Recognition with a Large Number of Classes. Thumos (θυμός) Greek word expressing "spiritedness” (as in spirited contest ). The word is also used to express the human desire for recognition. Organizers. THUMOS challenge organizers + program chairs (who did the hard work)

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THUMOS’13 Action Recognition with a Large Number of Classes

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  1. THUMOS’13 Action Recognition with aLarge Number of Classes

  2. Thumos(θυμός) Greek word expressing "spiritedness” (as in spirited contest). The word is also used to express the human desire for recognition.

  3. Organizers • THUMOS challenge organizers + program chairs(who did the hard work) • Yu-Gang Jiang, FudanUniversity • Jingen Liu, SRI International • Amir RoshanZamir, UCF • General chairs • Mubarak Shah, UCF • Massimo Piccardi, Univ. Tech. Sydney • Ivan Laptev, INRIA • Rahul Sukthankar, Google Research

  4. (Pre-)History • KTH (2004)6 actions • Weizmann (2005)10 actions • CMU detection (2007)5 actions in clutter

  5. Recognition in “Real” Videos • Drinking & Smoking (2007)2 actions in movies • Hollywood (2008)8 “everyday” actions • UCF Sports (2008)9 “sports”in BBC, ESPN,…[S. Ali, M. Rodriguez,A. Tanveer, S. Aziz]

  6. Action Recognition in YouTube Videos • UCF 11 (2009)[Jingen Liu] • UCF 50 (2010)[Kishore Reddy]

  7. Current “Large Class” Datasets • HMDB (2011)51 actions • UCF101 (2012)101 actions[K. Soomro & A. Zamir]

  8. THUMOS Contest Results Overview RankSubmission Overall Accuracy 1 ID39_INRIA 85.900% 2 ID40_Florence 85.708% 3ID35_Canberra 85.437% 4 ID38_CAS_SIAT 84.164% 5 ID25_Nanjing 83.979% 6 ID34_UCF_BoyrazTappen 82.829% 7 ID36_UCSD_MSRA_SJTU 80.895% 8 ID28_USC 77.360% 9 ID31_NII 73.389% 10 ID44-UNITN 70.504% 11 ID42-UEC 66.261% 12 ID26_UMD 65.948% 13 ID47_UNAL 65.675% 14 ID32_Buffalo 64.296% 15 ID29_TNO 63.457% 16 ID37_ECNU 54.738%

  9. Workshop Schedule Morning [09:00-12:40] • Opening Session • Invited talk: C. Schmid • Invited talk: J. Corso • Action Classification • Overview: J. Liu • Karaman et al. • Peng et al. • Invited talk: S. Savarese • Oruganti et al. • Yanai et al. Afternoon [14:30-17:00] • Detection • Overview: Y.-G. Jiang • Invited talk: J. Wu • Future • Invited talk: T. Hassner • Closing remarks: M. Piccardi • Open discussion[your name here!][THUMOS top performers]

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