Seizure detection
First Claim
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1. A system for detecting seizures, the system comprising:
- one or more 3D motion sensors located to provide the one or more 3D motion sensors with a view of a person to be monitored, the 3D motion sensors configured to collect a series of images of the person;
a computerized monitoring system communicatively coupled to the one or more 3D motion sensors, the computerized monitoring system configured to;
establish a detection zone defining an area or volume less than the full view captured by the 3D motion sensor around the person,using data captured from within the detection zone, identify one or more reference points on a detected skeleton of the person,determine a rate of movement and a duration of movement for one or more reference points within the detection zone between two or more images in the series of images, anddetermine whether the rate of movement and the duration of movement are consistent with a seizure; and
a computerized communication system communicatively coupled to the computerized monitoring system, the computerized communication system configured to send an alert to one or more designated recipients based on a determination that the rate of movement and the duration of movement are consistent with a seizure.
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Abstract
Systems, methods and media for detecting a seizure use one or more 3D cameras to monitor an individual. The 3D cameras may detect rigidity and/or rapid movements associated with the tonic or clonic phases of a seizure. Body position and/or movements consistent with a seizure may cause the system or media to alert the individual, a central monitoring system, caregivers, and/or others.
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Citations
20 Claims
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1. A system for detecting seizures, the system comprising:
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one or more 3D motion sensors located to provide the one or more 3D motion sensors with a view of a person to be monitored, the 3D motion sensors configured to collect a series of images of the person; a computerized monitoring system communicatively coupled to the one or more 3D motion sensors, the computerized monitoring system configured to; establish a detection zone defining an area or volume less than the full view captured by the 3D motion sensor around the person, using data captured from within the detection zone, identify one or more reference points on a detected skeleton of the person, determine a rate of movement and a duration of movement for one or more reference points within the detection zone between two or more images in the series of images, and determine whether the rate of movement and the duration of movement are consistent with a seizure; and a computerized communication system communicatively coupled to the computerized monitoring system, the computerized communication system configured to send an alert to one or more designated recipients based on a determination that the rate of movement and the duration of movement are consistent with a seizure. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A computerized method for detecting seizure symptoms, the method implemented by one or more processors and comprising:
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receiving, from a 3D motion sensor, two or more images of a person taken at different time points; identifying the person in the two or more images; establishing a detection zone defining an area or volume less than the full view captured by the 3D motion sensor around the person; based on data from the detection zone, determining a rate of movement and a duration of movement for at least a portion of the person in the images; determining whether the rate of movement and the duration of movement are consistent with a seizure; and communicating a determination that the rate of movement and duration of movement are consistent with a seizure. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification