Non-parametric modeling apparatus and method for classification, especially of activity state
First Claim
1. A method for determining the class of an activity selected from a plurality of activities of interest, of a person based on sensor data, comprising the steps of:
- providing a plurality of kernel-based models, each model corresponding to one of said activities of interest,obtaining a set of readings of said sensor data;
generating estimates of said set of sensor data readings from at least some of said kernel-based models based on an input of said set of sensor data readings;
comparing for similarity each said estimate of said set of sensor data readings to said input set of sensor data readings, anddetermining the class of activity corresponding to said input set of sensor data readings to be the class of the model that generated the estimate most similar to the input set.
6 Assignments
0 Petitions
Accused Products
Abstract
The activity state classification method of the present invention employs a kernel-based modeling technique, and more specifically a set of similarity-based models, which have been created using example data, to process an input observation or set of input observations, each comprising a set of sensor readings or “features” derived there from or other data, to predict the activity state of a person from whom the sensor data was obtained. A model is created for each class of activity. The input data is processed by each model and the resulting predictions are combined to yield a final prediction of which state of activity is represented by the input data.
20 Citations
15 Claims
-
1. A method for determining the class of an activity selected from a plurality of activities of interest, of a person based on sensor data, comprising the steps of:
-
providing a plurality of kernel-based models, each model corresponding to one of said activities of interest, obtaining a set of readings of said sensor data; generating estimates of said set of sensor data readings from at least some of said kernel-based models based on an input of said set of sensor data readings; comparing for similarity each said estimate of said set of sensor data readings to said input set of sensor data readings, and determining the class of activity corresponding to said input set of sensor data readings to be the class of the model that generated the estimate most similar to the input set. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
Specification