Abstract: Systems and methods for enhancing a user's efficiency while operating an oral hygiene device (10) is provided. In an exemplary embodiment, at least one image is captured using an image capturing component (602), and a region of interest (820) for operating the oral hygiene device is determined based on the at least one captured image. Characteristics corresponding to a motion of the oral hygiene device operated by the user are extracted. An analysis of the extracted characteristics occurs to determine a quality of motion of the oral hygiene device, and feedback is provided to the user to regarding the determined quality of motion of the oral hygiene device.

Abstract: A method (600) for estimating a location of an oral care cleaning device (10), including the steps of: (i) providing (610) an oral cleaning device comprising a sensor (28), a guidance generator (46), a feedback component (48), and a controller (30); (ii) providing (620) a guided cleaning session to the user comprising a plurality of time intervals separated by a cue to switch from a first location within the mouth to a second location; (iii) generating (630) sensor data from the sensor; (iv) estimating (640), based on the generated sensor data, the location of the oral care device during the plurality of time intervals; (v) generating (650) a model to predict the user's cleaning behavior; and (vi) determining (660) the location of the oral care device based on the estimated location of the oral care device and the model of the user's cleaning behavior.

Abstract: The present invention relates to a device, system and method for CO2 monitoring. To enable continuous monitoring at low cost and in a simple manner, the device comprises a signal input (10) for obtaining one or more monitoring signals (20) of a monitored area, a breathing monitor (11) for determining one or more breathing parameters (21) of one or more subjects present in the monitored area from the obtained one or more monitoring signals, and a CO2 estimation unit (12) for estimating the CO2 level (22) in the monitored area based on the determined one or more breathing parameters.

Abstract: A method and system for identifying an attachment of a personal care device (10). The method includes attaching an attachment (14) containing a memory (16) to a body portion (12) of a personal care device. The personal care device is powered up. Data is retrieved from the memory of the attachment. Information about the attachment attached to the personal care device is extracted from the retrieved data, the information including at least an association of the attachment to a specific user. An output characteristic of a status indicator (30) of the personal care device is associated with the ID (22) of the attachment. The status indicator is operated in accordance with the output characteristic when the attachment is coupled to the body portion of the personal device.

Abstract: A method (700) for localizing inflammation within a user's mouth using an oral care device (10), comprising the steps of: (i) emitting (720) light by one or more light emitters (42) of the oral care device; (ii) detecting (730), by a light detector (40) of the oral care device, reflectance from a surface at each of a plurality of locations within the user's mouth to generate reflectance data for each of the plurality of locations; (iii) determining (750), by the controller, for the plurality of locations, whether gingiva at that location is inflamed; and (iv) providing (760), via a user interface (46) of the oral care device, information to the user regarding the inflamed location or locations.

Abstract: A method (400) for calibrating a gyroscope (28) of an oral care device (10) includes the steps of: scheduling (420) a data acquisition scheme comprising a plurality of time points; obtaining (430) sensor data by the gyroscope at each of the plurality of time points; determining (440) whether the oral care device was experiencing motion at any of the plurality of time points and, if so, discarding those time points from further analysis; determining (450) a calibration model using the obtained sensor data; generating (460), based on the obtained sensor data and the determined calibration model, one or more parameters describing a behavior of the gyroscope; and calibrating (470), using the one or more parameters, gyroscope data obtained during a cleaning session.

Abstract: A device, system and method unobtrusively and reliably detect apnoea of a subject (2). An input unit (11) receives image data of subject. The image data includes a sequence of images over time. A cardiac activity extraction unit (12) extracts from the image data a cardiac activity signal representing the subject's cardiac activity from a skin area of the subject using remote photoplethysmography. A motion signal extraction unit (14) extracts from said image data a motion signal representing motion of a subject's body part caused by breathing of the subject. An analysis unit (16) determines a similarity between said cardiac activity signal and said motion signal. A decision unit (18) detects apnoea of the subject based on the determined similarity.

Abstract: An oral care device (10) assesses a health parameter of gingival tissue of a user by means of a force-generating module (52) to apply a momentary force to the gingival tissue by applying a burst of compressed air or a burst of liquid to the gingival tissue, a sensor (28) to obtain a plurality of optical signals from the gingival tissue over time after the momentary force has been applied, a controller (30) to quantify, based at least in part on an analysis of the plurality of optical signals, the health parameter (e.g. inflammation of the gingival tissue), wherein the health parameter is based at least in part on an amount of time the gingival tissue takes to recover to the application of force; and a feedback module (46) to provide information to the user regarding the quantified health parameter.

Abstract: A method (400) for determining a user's compliance with a guided cleaning session during use of an oral cleaning device (10) includes the steps of: (i) providing (410) an oral cleaning device including a sensor (28), a guidance generator (46), and a controller (30); (ii) providing (420), by the guidance generator, a guided cleaning session to the user; (iii) generating (430), at a first location during the guided cleaning session, sensor data from the sensor indicating a position or motion of the oral cleaning device; (iv) comparing (440) the generated sensor data to expected sensor data for the first location; and (v) generating (450), based on the comparison, an estimate of the user's compliance with the guided cleaning session.

Abstract: A method (400) for modifying a user's oral care program. The method includes the steps of: (i) providing (410) a network (200) comprising a first personal care device (10a) in communication with a second personal care device (10b); (ii) cleaning (420) at least a portion of the oral cavity using the first personal care device; (iii) obtaining (440), while cleaning with the first personal care device, sensor data for the at least a portion of the oral cavity; (iv) communicating (450) the obtained sensor data to the second personal care device; and (v) modifying (460), based on the communicated sensor data, a function of the second personal care device.

Abstract: A respiratory monitoring device comprises: a light source (30) arranged to generate a projected shadow (S) of an imaging subject (P) positioned for imaging by an imaging device (8); a video camera (40) arranged to acquire video of the projected shadow; and an electronic processor (42) programmed to extract a position of an edge of the projected shadow as a function of time from the acquired video. In some embodiments, the light source is arranged to project the shadow onto a bore wall (20) of the imaging device, and the video camera is arranged to acquire video of the projected shadow on the bore wall. The electronic processor may be programmed to extract the position of the edge (E) as a one-dimensional function of time (46) based on the position of the edge in each frame of the acquired video and time stamps of the video frames.

Abstract: An oral hygiene device (100) including at least one sensor (104) to improve a user's operation of the oral hygiene device is provided. In one exemplary embodiment, the oral hygiene device includes a longitudinal shaft (102), an attachment assembly (112), a handle portion (110), a suspension system (106), at least two sensors (104a, 104b), and at least one processor (132). The at least one processor is operable to receive an amount of force applied to the attachment assembly, which is detected by the at least two sensors. An angle that the attachment assembly is applied is also determined, the angle being based on the detected amount of force. In one embodiment, the angle and the amount of force are displayed within a user interface to the user to help the user improve their oral hygiene technique.

Abstract: A whitening smart pen apparatus (10) for automatically dispensing a teeth whitening substance onto one or more teeth of a user comprises a fluid reservoir (16), a nozzle (18) having an output port (26), a fluid dispenser (20), a sensor (22) and a controller (24). The fluid dispenser dispenses the teeth whitening substance from the fluid reservoir to the nozzle and is output via the output port. The sensor, positioned in an advance dispensing direction of the nozzle, senses a target surface that comprises either (i) a tooth surface (12) or (ii) other surface (14). The controller (24) is configured for (i) controlling a gating of the fluid dispenser (20) to dispense the teeth whitening substance from the fluid reservoir (16) in response to the sensor (22) detecting the tooth surface (12), and (ii) stopping or disabling the gating of the fluid dispenser to stop or disable a dispensing of the teeth whitening substance from the fluid reservoir in response to the sensor (22) detecting the other surface (14).

Abstract: A computer implemented method for detecting an attempt to spoof and facial recognitions apparatus determines for a plurality of spatially separated regions of a surface, a respective measure of at least one vital sign. A determination is made from the respective measures of at least one vital sign, homogeneity information associated with the respective measures, the homogeneity information is used to determine if said spatially separate regions of said surface are living tissue.

Abstract: A method of photoplethysmography includes processing a signal based on at least one signal from at least one sensor arranged to capture light from a living subject to extract information on a characteristic of a periodic biological phenomenon. At least one of the signals from at least one sensor is obtained via sensing radiation as to a peak in an absorption spectrum of water.

Abstract: A method and system for reducing distraction of a user (10) of an oral health care device (102), includes: a sensor (112) configured to determine positions of the user during use of the oral health care device; a processor (150) in communication with the sensor and configured to calculate differences between the determined positions and to determine if the differences reach or exceed a threshold value for notifying the user; and a user interface (114) in communication with the processor and configured to alter from a normal state in an event the differences between the determined positions reach or exceed the threshold value for notifying the user.

Abstract: An oral cleaning system (100, 200) configured to provide optimal oral cleaning using an oral cleaning device (10), the system capable of receiving, extracting, and assessing data from one or more sensors (28) of the oral cleaning device to determine whether optimal cleaning has been achieved during a primary oral cleaning session, and if not, generating a customized secondary cleaning routine configured to achieve optimized cleaning session. The customized secondary cleaning routine is offered to the user, and the system guides the user through the customized secondary cleaning routine to achieve optimal cleaning performance.

Abstract: Systems, methods, and devices for providing feedback to an individual based on brushing performance, and providing guidance for the individual's brushing, are provided herein. In one exemplary embodiment, after an oral hygiene device is orientated, a determination is made as to a segment within the individual's mouth that a brush head of the oral hygiene device is located. Upon this determination being made, a sub-segment within the individual's mouth where the brush head is located is also determined. A brushing performance within the sub-segment is calculated and displayed to the user. A level of compliance for the particular segment is determined based on the brushing performance of the various sub-segments within the particular segment. If the level of compliance exceeds a pre-set compliance level for that segment, the individual is guided to a different segment within their mouth for brushing.

Abstract: A method (300) for providing feedback to a user of an oral cleaning device (10). The method includes the steps of: (i) receiving (330), from a sensor (28) of the oral cleaning device, data about a plurality of orientations of the oral cleaning device within the user's mouth during a cleaning session; (ii) extracting (340), from the received data, information about one or more stable orientations of the oral cleaning device within the user's mouth during the cleaning session, where a stable orientation is an orientation of the oral cleaning device maintained by the user for a period of time above a threshold; (iii) fitting (350) the information about the one or more stable orientations of the oral cleaning device to one or more expected orientations; and (iv) providing (360) feedback to the user about the cleaning session based on an analysis of the fitted one or more stable orientations.

Abstract: There is provided a system and method of assessing the quality of the extraction of the signal and the reliability of the physiological measurement by providing a system for producing a quality metric for physiological information extraction from a sequence of image frames, the system comprising a signal extraction unit configured to extract a signal representative of a physiological characteristic from a plurality of the image frames, a signal analyzer configured to calculate a plurality of physiological information results from the signal using a plurality of calculation functions, the plurality of calculation functions being comprised within a list of calculation functions, each physiological information result being calculated using a different calculation function, and a quality metric calculator for calculating a quality metric value based on a signal analysis metric derived from a comparison between the physiological information results of the plurality of physiological information results.