SYSTEM AND METHOD FOR DETERMINING AN OPTIMAL ROUTE USING AGGREGATED ROUTE INFORMATION

A system for providing navigation information is provided. A navigation server receives route information from multiple mobile devices. A storage module stores the route information received from the mobile devices as aggregated route information. In response to receipt of a request for direction information from a starting location to a destination location, a route calculation module calculates one or more potential routes from the starting location to the destination location. An optimal route determination module determines which route of the one or more potential routes is an optimal route. The optimal route is determined based on the aggregated route information and a preselected criterion. 1. A system for providing navigation information comprising:a navigation server that receives route information from a plurality of mobile devices;a storage module that stores the route information received from the plurality of mobile devices as aggregated route information;a route calculation module that, in response to receipt of a request for direction information from a starting location to a destination location, calculates one or more potential routes from the starting location to the destination location; andan optimal route determination module that determines which route of the one or more potential routes is an optimal route based on at least the aggregated route information and a preselected criterion.2. The system of where:the navigation server transmits direction information to a mobile device in response to receipt of the request for direction information received at the navigation server from the mobile device; andthe direction information includes directions from the starting location to the destination location along the optimal route.3. The system of where the aggregated route information includes route progression information and a plurality of respective user ratings for one or more routes.4. The system of where:the route progression information ...

Method and Apparatus for the Non-Invasive Measurement of Pulse Transit Times (PTT)

Method and apparatus for measuring a pulse transit time (PTT) value of a subject, comprising: measuring a first arterial pressure pulse arrival time (PAT) and measuring a second PAT value; calculating a PTT value from the difference between the first PAT value and the second PAT value; processing a sequence of electrical impedance tomography (EIT) images to identify at least one region of interest (ROI); and estimating at least one of the first and second PAT value from the variation of impedance value determined from said at least one ROI. The method allows for the non-invasive and continuous measurement of the PTT value and arterial blood pressures. 1. Method for measuring a pulse transit time (PTT) value of a subject , comprising:measuring a first arterial pressure pulse arrival time (PAT) and measuring a second PAT value;calculating a PTT value from the difference between the first PAT value and the second PAT value;{'b': '10', 'processing a sequence of electrical impedance tomography (EIT) images () to identify at least one region of interest (ROI); and'}estimating at least one of the first and second PAT value from the variation of impedance value determined from said at least one ROI.2. Method according to claim 1 , wherein said processing a sequence of EIT images comprises providing an imaging device adapted to record impedance signal distribution (EIT image) of the subject; and during a predetermined measuring time period claim 1 , measuring a sequence of temporally discrete EIT images of the subject using the EIT imaging device claim 1 , each EIT image comprising a plurality of pixels claim 1 , each pixel representing an impedance value.3. Method according to claim 2 , wherein said at least one ROI comprises a subset of said plurality of EIT pixels.4. Method according to claim 2 , wherein said determining at least one ROI comprises using one or a combination of the methods comprising: analyzing the sequence of EIT images claim 2 , and analyzing images ...

Modelling a structure in a body

Methods and systems of computing parameter values of one or more model parameters are described. The model models structural and dielectric properties of a structure in a human or an animal body. An exemplary method includes: accessing voltage measurements made at different places in the vicinity of the structure by one or more in-body field sensing electrodes in response to currents applied to one or more field supplying electrodes; and computing the parameter values by adjusting the parameter values to fit predicted voltage values to the accessed voltage measurements, wherein the predicted voltage values are predicted from the model for the currents applied to the field supplying in-body electrodes.

METHOD AND APPARATUS FOR THE NON-INVASIVE MEASUREMENT OF PULSE TRANSIT TIMES (PTT)

A method for estimating blood pressure (BP) values comprises: measuring at a first PTT value, a second PTT value, and further PPT values using a method comprising measuring a first arterial pressure pulse arrival time (PAT) and measuring a second PAT value; calculating a PTT value from the difference between the first PAT value and the second PAT value; processing a sequence of electrical impedance tomography (EIT) images to identify at least one region of interest (ROI); and estimating at least one of the first and second PAT value from the variation of impedance value determined from the at least one ROI. The method allows for the non-invasive and continuous determination of the PB values by using a calibration factor. 1. Method for estimating blood pressure (BP) values comprising:measuring at a first PTT value, a second PTT value, and further PPT values using a method comprising measuring a first arterial pressure pulse arrival time (PAT) and measuring a second PAT value; calculating a PTT value from the difference between the first PAT value and the second PAT value; processing a sequence of electrical impedance tomography (EIT) images to identify at least one region of interest (ROI); and estimating at least one of the first and second PAT value from the variation of impedance value determined from said at least one ROI; the method comprising:determining a calibration factor for converting the at least first and second PTT value into a at least first BP and a second BP value, respectively; anddetermining further BP values by using the calibration factor for calibrating said further PPT values.2. Method according to claim 1 , whereinsaid determining a calibration factor comprises measuring reference BP values.3. Method according to claim 2 , whereinsaid measuring reference BP values comprises using a brachial cuff, or an arterial line.4. An apparatus for the measurement of blood pressure (BP) values of a subject comprising:a calibration module for determining a ...

Face imaging system for recordal and automated identity confirmation

A face imaging system for recordal and/or automated identity confirmation, including a camera unit and a camera unit controller. The camera unit includes a video camera, a rotatable mirror system for directing images of the security area into the video camera, and a ranging unit for detecting the presence of a target and for providing target range data, comprising distance, angle and width information, to the camera unit controller. The camera unit controller includes software for detecting face images of the target, tracking of detected face images, and capture of high quality face images. A communication system is provided for sending the captured face images to an external controller for face verification, face recognition and database searching. Face detection and face tracking is performed using the combination of video images and range data and the captured face images are recorded and/or made available for face recognition and searching.

Face imaging system for recordal and automated identity confirmation

A face imaging system for recordal and/or automated identity confirmation is described that includes a camera unit and a camera unit controller. The camera unit includes a video camera for viewing an image of a security area and for sending images thereof to the camera unit controller, a rotatable mirror system for directing images of the security area into the video camera; and a ranging unit for detecting the presence of a target within the security area and for providing range data, comprising distance, angle and width information relating to the target, to the camera unit controller. The camera unit controller includes software modules to perform face detection of face images of the target, face tracking of the detected face images, and face capture of high quality face images. Also included is a communication system for sending the captured face images to an external controller for purposes of face verification, face recognition and database searching. Face detection and face tracking is performed using the combination of video images and range data and the captured face images are recorded and/or made available for face recognition and searching.

Face imaging system for recordal and automated identity confirmation

A face imaging system for recordal and/or automated identity confirmation, including a camera unit and a camera unit controller. The camera unit includes a video camera, a rotatable mirror system for directing images of the security area into the video camera, and a ranging unit for detecting the presence of a target and for providing target range data, comprising distance, angle and width information, to the camera unit controller. The camera unit controller includes software for detecting face images of the target, tracking of detected face images, and capture of high quality face images. A communication system is provided for sending the captured face images to an external controller for face verification, face recognition and database searching. Face detection and face tracking is performed using the combination of video images and range data and the captured face images are recorded and/or made available for face recognition and searching.

Corrective optical component

An optical imaging device such as a fingerprint imager is disclosed that has an optical modification to reduce perspective distortion in a read image. The optical modification is a contoured lens, a contoured platen recess, a contoured output port, or a contoured reflective surface that compensates for perspective distortion. The optical modification is provided by a complex optical surface and is distinct for a uniformly planar, spherical or cylindrical lens. In addition, a method for determining a perspective distortion correction is disclosed.

Face imaging system for recordal and automated identity confirmation

An imaging system for recording and automatically confirming a face image is disclosed. The system includes a camera unit 20 located in a security area 4 and a camera unit controller. The camera unit includes a video camera, a rotatable mirror system for directing images of the security area into the video camera, and a ranging unit for detecting the presence of a target and for providing target range data, including distance, angle and width information, to the camera unit controller. The camera unit controller includes software for detecting face images of the target, tracking of detected face images, and capture of high quality face images. A communication system is provided for sending the captured face images to an external controller for face verification, face recognition and database searching. Face detection and face tracking is performed using the combination of video images and range data and the captured face images are recorded and/or made available for face recognition and searching.

FACE IMAGING SYSTEM FOR PICTURE RECORDING AND AUTOMATED CONFIRMATION OF IDENTITY

Compound or composition for use in the prevention and/or treatment of an ectoparasitic copepod infestation or infection in fish

The invention relates to Quillaja Saponaria saponins or a composition comprising Quillaja Saponaria saponins for use in the prevention and/or treatment of an ectoparasitic infection or infestation in fish. The present invention also relates to a method for the manufacture of a fish feed comprising Quillaja Saponaria saponins.

Modelling a structure in a body

Methods and systems of computing parameter values of one or more model parameters are described. The model models structural and dielectric properties of a structure in a human or an animal body. An exemplary method includes: accessing voltage measurements made at different places in the vicinity of the structure by one or more in-body field sensing electrodes in response to currents applied to one or more field supplying electrodes; and computing the parameter values by adjusting the parameter values to fit predicted voltage values to the accessed voltage measurements, wherein the predicted voltage values are predicted from the model for the currents applied to the field supplying in-body electrodes.

Face imaging system for recordal and automated identity confirmation

Face imaging system for recordal and automated identity confirmation

A face imaging system (10) for recordal and/or automated identity confirmation of a target using a face recognition system includes a camera unit (20) having a camera unit controller (40) and a video camera (21) for capturing images of the target and sending said target images to the camera unit controller. The camera unit controller (40) has a face detection system (46) configured to detect a face image within said target images and a face image capture system (48) which assess the quality of the face image and captures the face image when its quality is sufficient for face recognition as required by the face recognition system. In preferred embodiments, the camera unit includes a rotatable mirror system (25) for directing images of a security area into the video camera and the system has a ranging unit (30) for detecting the presence of a target and for providing target range data, comprising distance, angle and width information, to the camera unit controller.

Gesichtsbilderzeugungssystem zur bildaufnahme und automatisierte bestätigung der identität

Systems and methods for estimating blood velocity

Methods and systems are provided for estimating velocity of blood, flowing along a blood vessel at a blood flow direction, based on measurements made using a medical implement that resided in a portion of the blood vessel and comprised a first electrode and a second electrode. One of the disclosed methods include: - accessing voltage measurements measured at the first and second electrodes when a bolus of a fluid went through the portion of the blood vessel at the blood flow direction; wherein the voltage measurements were made at the first and the second electrodes; estimating a time that took the bolus to go from the first electrode to the second electrode based on the accessed voltage measurements; and estimating the velocity of the blood based on the estimated time and a distance known to exist along the medical implement between the first and second electrodes.

Active volume imaging

Methods and apparatuses for imaging an intra-body object. An exemplary method includes: measuring electrical measurements using electrodes of a probe hovering inside a body lumen; identifying, based on said electrical measurements, a volume encompassing the electrodes used for the measurements as a volume free of any lumen wall; and inferring, from the identified volume free of any lumen wall, a wall in the vicinity of the probe, thereby imaging at least a portion of the object.

Impedance-based characterization of intracardiac structure

Methods and devices using measurements of heart electrophysiological activity to guide structural heart disease interventions. In some embodiments, measurements of heart electrophysiological activity are mapped into locations of a heart model defined by one or more additional measurement modalities. In some embodiments, the additional measurement modalities comprise impedance measurements. Locations to map electrophysiological data to, in some embodiments, are determined by non-electrophysiological measurements simultaneous with the electrophysiological data measurement which locate a probe—for example, measurements made by the probe itself, and/or measurements which themselves indicate positioning of the probe.

Method and apparatus for the non-invasive measurement of pulse transit times (PTT)

A method and apparatus for measuring a pulse transit time (PTT) value of a subject, comprise measuring a first arterial pressure pulse arrival time (PAT) and measuring a second PAT value; calculating a PTT value from the difference between the first PAT value and the second PAT value; processing a sequence of electrical impedance tomography (EIT) images to identify at least one region of interest (ROI); and estimating at least one of the first and second PAT value from the variation of impedance value determined from the at least one ROI. The method allows for the non-invasive and continuous measurement of the PTT value and arterial blood pressures.