Abstract: A method and system for measuring psychological stress disclosed. In a first aspect, the method comprises determining R-R intervals from an electrocardiogram (ECG) to calculate a standard deviation of the R-R intervals (SDNN) and determining a stress feature (SF) using the SDNN. In response to reaching a threshold, the method includes performing adaptation to update a probability mass function (PMF). The method includes determining a stress level (SL) using the SF and the updated PMF to continuously measure the psychological stress. In a second aspect, the system comprises a wireless sensor device coupled to a user via at least one electrode, wherein the wireless sensor device includes a processor and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the processor to carry out the steps of the method.

Abstract: A method and apparatus for analyzing IP data flows for the determination of an alternate routing path for network traffic between a known first network and a destination within an unknown second network on the Internet. An initial path between the first network and the destination exists. The IP address of the destination is determined and looked up in an Internet database. An alternative route to the destination is determined based on information from the Internet database in order to avoid an interconnecting transit network.

Abstract: A method and system for R-R interval measurement of a user are disclosed. In a first aspect, the method comprises detecting an electrocardiogram (ECG) signal of the user. The method includes performing QRS peak detection on the ECG signal to obtain a low resolution peak and searching near the low resolution peak for a high resolution peak. The method includes calculating the R-R interval measurement based upon the high resolution peak. In a second aspect, a wireless sensor device comprises a processor and a memory device coupled to the processor, wherein the memory device includes an application that, when executed by the processor, causes the processor to carry out the steps of the method.

Abstract: A method, system, and computer-readable medium for fall detection of a user are disclosed. In a first aspect, the method comprises determining whether first or second magnitude thresholds are satisfied. If the first or second magnitude thresholds are satisfied, the method includes determining whether an acceleration vector of the user is at a predetermined angle to a calibration vector. In a second aspect, the system comprises a processing system and an application that is executed by the processing system. The application determines whether first or second magnitude thresholds are satisfied. If the first or second magnitude thresholds are satisfied, the application determines whether an acceleration vector of the user is at a predetermined angle to a calibration vector.

Abstract: A method and system for measuring psychological stress disclosed. In a first aspect, the method comprises determining R-R intervals from an electrocardiogram (ECG) to calculate a standard deviation of the R-R intervals (SDNN) and determining a stress feature (SF) using the SDNN. In response to reaching a threshold, the method includes performing adaptation to update a probability mass function (PMF). The method includes determining a stress level (SL) using the SF and the updated PMF to continuously measure the psychological stress. In a second aspect, the system comprises a wireless sensor device coupled to a user via at least one electrode, wherein the wireless sensor device includes a processor and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the processor to carry out the steps of the method.

Abstract: A health-monitoring system and method are disclosed. The health-monitoring system and method comprise a sensory system and a sensory to front-end communication (SFCM) protocol coupled to the sensory system. The health-monitoring system and method include a front-end system coupled to the sensory system and a front-end to back-end communication (FBCM) protocol coupled to the front-end system. The health-monitoring system and method include a back-end system. The SFCM protocol communicates with the front-end system using a first state awareness link and the FBCM protocol communicates with the back-end system using a second state awareness link.

Abstract: A smart plug system is disclosed. The smart plug system includes a power plug configured to receive an alternating current power signal from shore power, a power receptacle configured to receive a plug having a plug blade, and a plug detection switch configured to detect receipt of the plug blade in the power receptacle. A rectifier circuit is included to rectify the alternating current power signal received at the power plug when the plug detection switch is actuated by receipt of the plug blade. The plug detection switch is further configured to prevent rectification of the alternating current power signal by the rectifier circuit when the plug blade is removed from the power receptacle. A logic level converter is included to receive the rectified power signal to convert the rectified power signal to a logic level signal.

Abstract: Generally described, aspects of the present disclosure relate to the management of event data. In one aspect, an event management service obtains information related to one or more events and implements steps related to the collection of event data. In another aspect, based on the collected information, the event management service can implement one or more event data management protocols. For example, the event management service can track the progression of data analysis related to the event data, such as implementing various error analysis tools or methodologies. In another example, the event management service can implementing tracking methodologies that can determine when to implement various escalations or follow up actions based on the processing of event data. In still a further aspect, the event management service can implement various reporting or auditing related to the collection of the event data, the processing of the event data or both.

Abstract: A method, system, and a computer-readable medium for pairing a wireless sensor device with a mobile device are disclosed. In a first aspect, the method comprises providing a code within the wireless sensor device. The method includes contacting the mobile device against the wireless sensor device. In response to the contacting, the mobile device receives the code and is paired with the wireless sensor device. In a second aspect, the system comprises a processing system and an application to be executed by the processing system. In response to a contacting of the mobile device against a wireless sensor device, the application receives a code from the wireless sensor device and pairs the mobile device with the wireless sensor device.

Abstract: A method and system for automated sleep staging are disclosed. The method comprises determining at least one physiological signal during a predetermined time period, extracting at least one feature from the at least one physiological signal, and classifying the at least one feature using a machine learning classifier to output at least one sleep stage. The system includes a sensor to determine at least one physiological signal during a predetermined time period, a processor coupled to the sensor, and a memory device coupled to the processor, wherein the memory device includes an application that, when executed by the processor, causes the processor to extract at least one feature from the at least one physiological signal and to classify the at least one feature using a machine learning classifier unit to output at least one sleep stage.

Abstract: A system includes a security monitoring device in a monitored physical location, a security processing system, and one or more mobile devices. The one or more mobile devices are configured to communicate with the security monitoring device over a network and the security monitoring device is configured to communicate with the security processing system via the network. The security monitoring device and the security processing system device are configured to arm and disarm based on geolocation data associated with at least one of the mobile user devices.

Abstract: A method and system for filtering a detected ECG signal are disclosed. In a first aspect, the method comprises filtering the detected ECG signal using a plurality of digital filters. The method includes adaptively selecting one of the plurality of digital filters to maintain a minimum signal-to-noise ratio (SNR). In a second aspect, the system comprises a wireless sensor device coupled to a user via at least one electrode, wherein the wireless sensor device includes a processor and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the processor to carry out the steps of the method.

Abstract: A method and system for calibrating a wireless sensor device are disclosed. In a first aspect, the method comprises determining a vertical calibration vector and determining a rotation matrix using the vertical calibration vector to line up native axes of the wireless sensor device with body axes. In a second aspect, a wireless sensor device comprises a processor and a memory device coupled to the processor, wherein the memory device includes an application that, when executed by the processor, causes the processor to determine a vertical calibration vector and to determine a rotation matrix using the vertical calibration vector to line up native axes of the wireless sensor device with body axes.

Abstract: A method of controlling operation of a security device in a location by a mobile user device, comprises monitoring a region around a location of interest, via a mobile user device; providing at least one security device within the region, wherein the security device comprises at least one sensor to monitor a location. The user device recognizes that the user device has entered the region, and searches for a security device within the region. The security device is detected and at least certain security features and/or sensors are disarmed. Disarming may mean that at least certain notifications are not sent about the status of the location. When the user device recognizes that the device is leaving the region, security features and/or sensors may be armed.

Abstract: A mobile content management system includes a plurality of distributed beacon transmitters, each configured to continuously broadcast messages including a URL, the URL having a host domain address and an identifier unique to the respective beacon embedded therein. Client devices proximate to one or more of the beacons, and having appropriate browser applications executed thereon, are able to receive the broadcast messages and subsequently transmit content requests to the host server associated with the URL. The host server is further configured to identify the beacon from the unique identifier, and return an appropriate destination URL to the client device for user selection, at which point the browser may for example be redirected to a content server associated with the destination URL for content presentation. The system may further include a hosted and administrator-facing web portal wherein at least destination URLs associated with the respective beacons may be remotely designated.

Abstract: A method and system for fall detection of a user are disclosed. In a first aspect, the method comprises determining whether first or second magnitude thresholds are satisfied. If the first or second magnitude thresholds are satisfied, the method includes determining whether an acceleration vector of the user is at a predetermined angle to a calibration vector or whether the user is at a stooped posture. If the acceleration vector of the user is at the predetermined angle to the calibration vector or if the user is at the stooped posture, the method includes determining whether an activity metric is satisfied.

Abstract: A method includes receiving an indication that an event has occurred in a physical space being monitored by a monitoring device that includes a plurality of sensors. In response to the indication, the method includes sending one or more primary notifications of the event over a computer-based network to each of one or more persons primarily associated with the physical space being monitored. If, after a designated amount of time, none of the primary notifications have been viewed by any of the persons primarily associated with the physical space being monitored, the method includes sending a backup notification of the event over the computer-based network to one or more persons designated as backup contacts. The backup notification is logically associated with information that the one or more backup contacts can access about the event. The logical association can be embodied by a link (e.g., a hyperlink) in the backup notification.

Abstract: A method and system for Sleep Apnea Syndrome (SAS) screening are disclosed. The method comprises detecting at least one physiological signal, converting the at least one physiological signal into at least one sensor stream, and processing the at least one sensor stream to perform the SAS screening. The system includes a sensor to detect at least one physiological signal, a processor coupled to the sensor, and a memory device coupled to the processor, wherein the memory device includes an application that, when executed by the processor, causes the processor to convert the at least one physiological signal into at least one sensor stream and to processor the at least one sensor stream to perform the SAS screening.

Abstract: A smart plug system is disclosed. The smart plug system includes a power plug configured to receive an alternating current power signal from shore power, a power receptacle configured to receive a plug having a plug blade, and a plug detection switch configured to detect receipt of the plug blade in the power receptacle. A rectifier circuit is included to rectify the alternating current power signal received at the power plug when the plug detection switch is actuated by receipt of the plug blade. The plug detection switch is further configured to prevent rectification of the alternating current power signal by the rectifier circuit when the plug blade is removed from the power receptacle. A logic level converter is included to receive the rectified power signal to convert the rectified power signal to a logic level signal.

Abstract: In embodiments of the present invention improved capabilities are described for producing background separated product images for print and on-line display. An image formation system provides lighting of a product to facilitate acquiring images that can be automatically processed to generate high resolution item-only images free of quality defects and imaging artifacts. Image processing programs accurately detect an outline of an item in a set of digital images taken using the image formation system and automatically store processed images in an image library. The images in the library may be repurposed for print, sales display, transmission to a user, on-line customer support, and the like. A user display configured with an adaptable user interface facilitates user interaction with images in the library.