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Title:
INFORMATION PROCESSING APPARATUS, METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/136704
Kind Code:
A1
Abstract:
The information processing apparatus (2000) of the example embodiment 1 includes an acquisition unit (2020), a modeling unit (2040), an output unit (2080). The acquisition unit (2020) acquires a plurality of trajectory data. The trajectory data represents a time-sequence of observed positions of an object. The modeling unit (2040) assigns one of groups for each trajectory data. The modeling unit (2040) generates a generative model for each group. The generative model represents trajectories assigned to the corresponding group by a common time-sequence of velocity transformations. The velocity transformation represents a transformation of velocity of the object from a previous time frame, and is represented using a set of motion primitives defined in common for all groups. The output unit (2060) outputs the generated generative models.

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Inventors:
DHAKA DEVENDRA (JP)
ISHII MASATO (JP)
SATO ATSUSHI (JP)
Application Number:
PCT/JP2018/047489
Publication Date:
July 02, 2020
Filing Date:
December 25, 2018
Export Citation:
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Assignee:
NEC CORP (JP)
International Classes:
G06N20/00; H04N7/18
Other References:
DHAKA, DEVENDRA ET AL.: "Latent Linear Dynamics for Modeling Pedestrian Behaviors", 2018 24TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION (ICPR), August 2018 (2018-08-01), pages 1592 - 1597, XP033459929, ISSN: 1051-4651, DOI: 10.1109/ICPR.2018.8546270
INOMATA, TEPPEI ET AL.: "Suspicious Behavior Detection System for an Open Space Parking Based on Recognition of Human Elemental Actions", IEEJ TRANSACTIONS ON ELECTRONICS, INFORMATION AND SYSTEMS, vol. 130, no. 2, 2010, pages 302 - 309, ISSN: 0385-4221
Attorney, Agent or Firm:
HAYAMI Shinji (JP)
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