Detecting sensor malfunctions using compression analysis of binary decision diagrams
AssigneeFujitsu Limited
InventorsStergios Stergiou, Jawahar Jain, Tsuneo Nakata
Life of this patent
Estimating the term…
Abstract
In particular embodiments, a method includes analyzing a binary decision diagram (BDD) representing a data stream from a sensor to determine a compression rate of the BDD and indicating a sensor malfunction in the sensor if the compression rate of the BDD deviates from a specified compression rate range.
Claims50
A method for detecting malfunctions in medical sensors comprising:
- by one or more computing devices,
- accessing, from a first medical sensor, a first binary decision diagram (BDD) representing medical sensor data from the first medical sensor, the medical sensor data measuring physiological stimulus from a person's body;
- determining a first compression rate of the first BDD accessed from the first medical Sensor;
- indicating a malfunction in connection with the first medical sensor if the first compression rate is outside of a predetermined compression-rate range;
- and
- size optimizing storage of the medical sensor data by:
- if a malfunction is not indicated, then storing the first BDD in a data store associated with the first medical sensor;
- and
- if a malfunction is indicated, then deleting the first BDD from the data store associated with the first medical sensors.
An apparatus for detecting malfunctions in medical sensors comprising:
- one or more processors;
- and a memory coupled to the processors comprising instructions executable by the processors, the processors operable when executing the instructions to:
- access, from a first medical sensor, a first binary decision diagram (BDD) representing medical sensor data from the first medical sensor, the medical sensor data measuring physiological stimulus from a person's body;
- determine a first compression rate of the first BDD accessed from the first medical sensor;
- indicate a malfunction in connection with the first medical sensor if the first compression rate is outside of a predetermined compression-rate range;
- and
- size optimize storage of the medical sensor data by:
- if a malfunction is not indicated, then store the first BDD in a data store associated with the first medical sensor;
- and
- if a malfunction is indicated, then delete the first BDD from the data store associated with the first medical sensors.
One or more computer-readable non-transitory storage media embodying software instructions for detecting malfunctions in medical sensors that is operable for causing a computer processor when executed to:
- access, from a first medical sensor, a first binary decision diagram (BDD) representing medical sensor data from the first medical sensor, the medical sensor data measuring physiological stimulus from a person's body;
- determine a first compression rate of the first BDD accessed from the first medical sensor;
- indicate a malfunction in connection with the first medical sensor if the first compression rate is outside of a predetermined compression-rate range;
- and
- size optimize storage of the medical sensor data by:
- if a malfunction is not indicated, then store the first BDD in a data store associated with the first medical sensor;
- and
- if a malfunction is indicated, then delete the first BDD from the data store associated with the first medical sensors.
A system for detecting malfunctions in medical sensors comprising:
- means for accessing, from a first medical sensor, a first binary decision diagram (BDD) representing medical sensor data from the first medical sensor, the medical sensor data measuring physiological stimulus from a person's body;
- means for determining a first compression rate of the first BDD accessed from the first medical sensor;
- means for indicating a malfunction in connection with the first medical sensor if the first compression rate is outside of a predetermined compression-rate range;
- and
- means for size optimizing storage of the medical sensor data by:
- if a malfunction is not indicated, then means for storing the first BDD in a data store associated with the first medical sensor;
- and
- if a malfunction is indicated, then means for deleting the first BDD from the data store associated with the first medical sensors.
A method for detecting malfunctions in medical sensors comprising:
- by one or more computing devices,
- accessing, from a first medical sensor, a binary decision diagram (BDD) representing medical sensor data from the first medical sensor, the medical sensor data measuring physiological stimulus from a person's body;
- determining a compression change rate of the BDD accessed from the first medical sensor;
- indicating a sensor malfunction in the medical sensor if the compression change rate is outside of a predetermined compression-change-rate range;
- and
- size optimizing storage of the medical sensor data by:
- if a malfunction is not indicated, then storing the first BDD in a data store associated with the first medical sensor;
- and
- if a malfunction is indicated, then deleting the first BDD from the data store associated with the first medical sensors.
Dependencies are inferred from the claim text.