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Kintense: A robust, accurate, real-time and evolving system for detecting aggressive actions from streaming 3D skeleton data

Title
Kintense: A robust, accurate, real-time and evolving system for detecting aggressive actions from streaming 3D skeleton data
Authors
Nirjon, ShahriarGreenwood, ChrisTorres, CarlosZhou, StefanieStankovic, John A.Yoon, Hee JungRa, Ho-KyeongBasaran, CanPark, TaejoonSon, Sang H.
DGIST Authors
Yoon, Hee Jung; Ra, Ho-Kyeong; Basaran, Can; Park, Taejoon; Son, Sang H.
Issue Date
2014
Citation
2014 12th IEEE International Conference on Pervasive Computing and Communications, PerCom 2014, 2-10
Type
Conference
Article Type
Conference Paper
Abstract
Kintense is a robust, accurate, real-time, and evolving system for detecting aggressive actions such as hitting, kicking, pushing, and throwing from streaming 3D skeleton joint coordinates obtained from Kinect sensors. Kintense uses a combination of: (1) an array of supervised learners to recognize a predefined set of aggressive actions, (2) an unsupervised learner to discover new aggressive actions or refine existing actions, and (3) human feedback to reduce false alarms and to label potential aggressive actions. This paper describes the design and implementation of Kintense and provides empirical evidence that the system is 11% - 16% more accurate and 10% - 54% more robust to changes in distance, body orientation, speed, and person when compared to standard techniques such as dynamic time warping (DTW) and posture based gesture recognizers. We deploy Kintense in two multi-person households and demonstrate how it evolves to discover and learn unseen actions, achieves up to 90% accuracy, runs in real-time, and reduces false alarms with up to 13 times fewer user interactions than a typical system. © 2014 IEEE.
URI
http://hdl.handle.net/20.500.11750/3755
DOI
10.1109/PerCom.2014.6813937
Publisher
IEEE Computer Society
Files:
There are no files associated with this item.
Collection:
ETC2. Conference Papers


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