Accelerometry-based classification of human activities using Markov modeling.
Accelerometry-based classification of human activities using Markov modeling.
复制标题
DOI:
10.1155/2011/647858
复制
发表时间:
2011
影响因子:
--
通讯作者:
Sabatini AM
中科院分区:
文献类型:
--
作者:
Mannini A;Sabatini AM
Accelerometers are a popular choice as body-motion sensors: the reason is partly in their capability of extracting information that is useful for automatically inferring the physical activity in which the human subject is involved, beside their role in feeding biomechanical parameters estimators. Automatic classification of human physical activities is highly attractive for pervasive computing systems, whereas contextual awareness may ease the human-machine interaction, and in biomedicine, whereas wearable sensor systems are proposed for long-term monitoring. This paper is concerned with the machine learning algorithms needed to perform the classification task. Hidden Markov Model (HMM) classifiers are studied by contrasting them with Gaussian Mixture Model (GMM) classifiers. HMMs incorporate the statistical information available on movement dynamics into the classification process, without discarding the time history of previous outcomes as GMMs do. An example of the benefits of the obtained statistical leverage is illustrated and discussed by analyzing two datasets of accelerometer time series.
登录
查看更多内容
DOI:
10.1109/3468.553220
发表时间:
1997-01-01
影响因子:
--
作者:
Yang, J;Xu, YS;Chen, CS
通讯作者:
Chen, CS
DOI:
10.1109/titb.2005.856864
发表时间:
2006-01-01
影响因子:
--
作者:
Karantonis, DM;Narayanan, MR;Celler, BG
通讯作者:
Celler, BG
影响因子:
3.2
作者:
Mathie, MJ;Celler, BG;Coster, ACF
通讯作者:
Coster, ACF
DOI:
10.3390/s100201154
发表时间:
2010
期刊:
Sensors (Basel, Switzerland)
影响因子:
--
作者:
Mannini A;Sabatini AM
通讯作者:
Sabatini AM
DOI:
10.3390/s91108508
发表时间:
2009
期刊:
Sensors (Basel, Switzerland)
影响因子:
--
作者:
Tunçel O;Altun K;Barshan B
通讯作者:
Barshan B