aman-sawarn / Human-Activity-Recognition

Machine Learning and Deep Learning Models to predict Positions from Fitbit Dataset

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Human-Activity-Recognition

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Machine Learning and Deep Learning Models to predict Positions from Fitbit Dataset
Human activity recognition is the problem of classifying sequences of accelerometer data recorded by specialized
harnesses or smart phones into known well-defined movements.
It is a challenging problem given the large number of observations produced each second, the temporal nature of the observations,
and the lack of a clear way to relate accelerometer data to known movements.
Classical approaches to the problem involve hand crafting features from the time series data based on fixed-size windows and
training machine learning models, such as ensembles of decision trees. The difficulty is that this feature engineering requires
deep expertise in the field. Recently, deep learning methods such as recurrent neural networks and one-dimensional convolutional
neural networks or CNNs have been shown to provide state-of-the-art results on challenging activity recognition tasks with little
or no data feature engineering.
Movements are often normal indoor activities such as standing, sitting, jumping, and going up stairs. Sensors are often located on
the subject such as a smartphone or vest and often record accelerometer data in three dimensions (x, y, z).

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Machine Learning and Deep Learning Models to predict Positions from Fitbit Dataset


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