Abstract: A moving robot includes a main body, a drive assembly moving the main body, and a cleaner head performing cleaning on a cleaning area in which the main body is positioned, wherein the drive assembly includes a main wheel, a motor generating a driving force, a gear box connected to the main wheel and the motor and transferring the driving force from the motor to the main wheel, and a leg member disposed on a shaft connecting the main wheel and the gear box and providing thrust independently of the main wheel.

Abstract: Provided is a vacuum cleaner including a cleaner body; a suction hose connected to the cleaner body and configured to suction dust; a moving wheel installed at the cleaner body; a main motor provided inside the cleaner body and configured to generate a suction force for suctioning the dust; a base frame provided inside the cleaner body and configured to form a space partitioned from the main motor; a battery unit provided inside the base frame and configured to supply electric power; a rear opening formed at a rear surface of the cleaner body and opened for entering the battery unit; a rear cover configured to open and close the rear opening; and a battery guide formed at both side surfaces of the base frame to extend toward the rear opening and configured to guide entering and withdrawing of the battery unit.

Abstract: A dishwashing appliance, including methods of operation, is provided. The dishwashing appliance may define a vertical direction and include a tub, a base conductivity sensor mounted at a first level within the tub, and an elevated conductivity sensor mounted at a second level within the tub, the second level being higher along the vertical direction than the first level.

Abstract: A liquid filtering system for a dishwasher, having a housing defining a filter chamber and configured to be fluidly coupled to a recirculation flow path of the dishwasher, a filter located within the filter chamber and having a first end axially spaced from a second end and defining a filter there between that has a first surface and a second surface, the filter being positioned within the recirculation flow path to filter soils from liquid flowing through the recirculation flow path as the liquid passes through the filter and a flow diverter to aid in cleaning the filter.

Abstract: A method of operating a dishwasher appliance includes initiating a wash cycle of the dishwasher appliance. The wash cycle includes operating the dishwasher appliance in a wash mode for a first predetermined amount of time by positioning a diverter in a first position to direct a fluid flow to a spray assembly of the dishwasher appliance. The method also includes positioning the diverter in a second position to direct the fluid flow to a filter cleaning manifold for a second predetermined amount of time. The method further includes sensing the second position of the diverter with a position sensor. The method further includes performing a predetermined action after the second predetermined amount of time when the second position of the diverter is sensed before the first predetermined amount of time has elapsed.

Abstract: A dishwasher can comprise a tub to define a treating chamber in which articles are treated according to a cycle of operation. The treating chamber can have an access opening with a cover selectively permitting access to the treating chamber. A condenser assembly can fluidly couple to the treating chamber for drying articles washed during the cycler of operation. The condenser can fluidly couple to an exhaust conduit disposed in a toe kick panel, which attenuates the sound travelling through the toe kick panel.

Abstract: A dishwasher for treating dishes according to an automatic cycle of operation and including a tub at least partially defining a treating chamber, at least one sprayer configured to emit a corresponding spray of liquid into the treating chamber, at least one liquid circuit supplying liquid to the at least one sprayer, a pump having a pump inlet fluidly coupled to the treating chamber and a pump outlet, and a diverter valve controlling a flow of liquid from the pump to the at least one sprayer.

Abstract: The present disclosure relates to a dishmachine that includes one or more features directed to water, energy or material savings. The disclosed dishmachines are still capable of meeting the soil demands of the articles to be cleaned.

Abstract: An observation apparatus includes an imager, a light source unit, an image processor and a light intensity adjusting section. The imager includes types of elements which generate a first signal when the elements receive light included in a sensitivity region. The light source unit includes light sources to emit narrow spectrum light, wavelengths of the light being different from one another and being set so that at least one of the wavelengths is included in each of the sensitivity regions. The image processor generates display data indicating a color image on the basis of the image data. The light intensity adjusting section separately adjusts respective light intensity of the light sources.

Abstract: A surgical robotic system automatically calibrates tubular and flexible surgical tools such as endoscopes. By accounting for nonlinear behavior of an endoscope, the surgical robotic system can accurately model motions of the endoscope and navigate the endoscope while performing a surgical procedure on a patient. The surgical robotic system models the nonlinearities using sets of calibration parameters determined based on images captured by an image sensor of the endoscope. Calibration parameters can describe translational or rotational movements of the endoscope in one or more axis, e.g., pitch and yaw, as well as a slope, hysteresis, or dead zone value corresponding to the endoscope's motion. The endoscope can include tubular components referred to as a sheath and leader. An instrument device manipulator of the surgical robotic system actuates pull wires coupled to the sheath or the leader, which causes the endoscope to articulate.

Abstract: An insertion apparatus includes an insertion section, a rotational housing, a motor, and a controller. The motor rotates the rotational housing. The controller designates a rotational direction of the motor. The controller limits the rotational direction of the motor to allow the insertion section to move only in a removal direction when inspection control for inspecting an operation relative to an insertion direction of the insertion section is initiated.

Abstract: A selectively shapeable medical device comprises an elongate tube, an activation component operatively coupled to the elongate tube, and means for actuating the activation component. The activation component has a first state and a second state different from the first state. The activation component alters a stiffness of at least a portion of the tube coupled to the activation component in the first state and does not alter a stiffness of the portion of the tube in the second state.

Abstract: A conduit control device includes a cylinder member, a piston member, an attachment section including a rigid cylinder, a compression spring, a first elastic member being brought into contact with a contact surface of the rigid cylinder and elastically deformed to thereby seal a gap in a state in which the piston member is depressed via the button section, and a second elastic member brought into contact with an exterior member and elastically deformed to thereby seal a gap in a state in which the piston member is depressed via the button section.

Abstract: An endoscope includes a flexible tube having a curved part at a tip and an endoscope main body part operating a curving operation on the curved part for work, the endoscope having a treatment tool insertion part for inserting a treatment tool projecting from the endoscope main body part and for use in a treatment of a subject into a treatment tool insertion tube arranged in the curved part along an axial direction, wherein the treatment tool insertion part includes an attachment and removal part having an insertion tube and a body, the insertion tube having one end inserted in the endoscope main body part to be arranged to communicate to the treatment tool insertion tube and another end placed outside the endoscope main body part, and the body holding and fixing the insertion tube to the endoscope main body part.

Abstract: A light source apparatus, capable of supplying white light including a predetermined wavelength band and a special light, which is light including the predetermined wavelength band and narrower in a band than the white light, includes: a first light source configured to emit light in a first wavelength band including the predetermined wavelength band, a second light source configured to emit light in a second wavelength band including the predetermined wavelength band, and a dichroic mirror configured to selectively transmit light in the predetermined wavelength band from one light of the lights in the first and second wavelength bands, selectively reflect light in a third wavelength band other than the predetermined wavelength band from the other light of the lights in the first and second wavelength bands, and mix and emit the light in the predetermined wavelength band and the light in the third wavelength band.

Abstract: A forward-viewing spectrally encoded endoscope (SEE) probe includes a light guiding component, a light focusing component, and a grating component arranged along a longitudinal axis of a drive cable. The SEE probe is configured for guiding light from the light guiding component, through the light focusing component, and to the grating component, and then forwarding a spectrally dispersed light line from the grating component towards an image plane. One or more of the light guiding component, the light focusing component, and the grating component is arranged at an angle with respect to the longitudinal axis of the drive cable so that at least one wavelength of the spectrally dispersed light line goes to the direction of axis of the drive cable.

Abstract: A body cavity illumination apparatus has a position-controlling trocar and an intra-corporeal light element. The position-controlling trocar has a sticker, a positioning device, a trocar tube, and a trocar connector. The sticker has a through hole. The positioning device is deposited on the sticker. The trocar tube is connected to the positioning device, extends through the sticker, and has an inner end and an outer end. The trocar connector is connected to the outer end of the trocar tube. The intra-corporeal light element is detachably mounted in the position-controlling trocar and has a shaft, a shaft connector, a cable connector, and a light cable. The positioning-controlling trocar may provide a holding effect to the intra-corporeal light element without manual holding to keep the position. In use, the intra-corporeal light element may provide an intra-corporeal illumination effect at multi-angles.

Abstract: A method for reprocessing a balloon endoscope, the method including the steps of deflating a balloon of a balloon endoscope to a negative pressure state following clinical use thereof and thereafter maintaining the interior of the balloon in a negative pressure state during at least part of reprocessing the balloon endoscope.

Abstract: A medical dilator includes a keeper section and an auxiliary member. The auxiliary member includes an insertion section configured to be insertable in an opening part, and a support section which is disposed on the insertion section, thereby being inserted in the opening part together with the insertion section, and disposed to cross a direction of insertion of a treatment instrument into the opening part, the support section being configured to support the treatment instrument which is inserted in the opening part.

Abstract: A system and method for in vivo detection and quantification of drusen present in the retina via administering an excitation signal to the retina of the eye and detecting an electromagnetic emissions spectrum from the retina in response to the excitation signal. The electromagnetic emissions spectrum may be used to identify a plurality of component emissions spectra, each component emissions spectrum corresponding to fluorescence from a component of the retina, one of the component emissions spectra corresponding to a target emissions spectrum.

Abstract: Methods, systems, and computer readable media for predicting early onset glaucoma via structural parameters obtained via time and spectral-domain optical coherence tomography (SD-OCT) are disclosed. SD-OCT technology measures the thicknesses of the layers of the retina that contain the cells that die in glaucoma before there is any functional loss. A multivariable predictive model may be used for the diagnosis of early glaucoma using a combination of optic nerve head (ONH), peripapillary retinal nerve fiber layer (RNFL), and macular ganglion cell-inner plexiform layer (GCIPL) parameters measured via SD-OCT. The model generates a glaucoma probability score for individual patient, which is valuable information in assisting clinicians in glaucoma diagnosis and treatment.

Abstract: A server in communication with a first device capable of receiving input from a camera attached to the first device, and a second device capable of displaying output, is provided. The server is configured to receive, from the first device, data relating to characteristics of the camera and characteristics of an image obtained by the camera of a screen of the second device; determine a screen pixel length of the screen; and provide instructions to the second device to display on the screen an object at a desired visual angle in response to the data received from the second device and the screen pixel length, while the first device is positioned at an arbitrary distance from the screen.

Abstract: Disclosed is an individual during a specific reading phase. The main feature of a method is that it includes the following steps, a step of subjecting the individual to a test involving the specific reading of a material including a text including a series of common words and into which errors have been inserted between the words at predefined locations, a step in which the individual reads the text out loud, a step of assigning an optical indicator linked to the reading errors identified and making it possible to characterize the quality of reading, a step of selecting the most appropriate visual aid unit depending on the determined optical indicator.

Abstract: Systems and methods of dynamically modifying visual content to account for user visual impairments utilize a plurality of generative adversarial networks. Each of the plurality of generative adversarial networks are associated with a corresponding style transfer, wherein the style transfer uniquely transforms the color mapping of a content template based on responses to at least one visual impairment test.

Abstract: A system for measuring microfluctuation of accommodation comprises a measuring module and a processing module. The measuring module includes at least one first sensing element attached to the area around an eye of a testee for measuring an EMG signal. The processing module is coupled with the measuring module for picking up a specific frequency range of the EMG signal as a measurement index of microfluctuation of accommodation, wherein the specific frequency range is between 0.1 Hz and 100 Hz. The system allows the testee to be tested in an open field of view and exempts the testee from experiencing fatigue in the muscle around the eyes. The system is compact and convenient to carry. A method for measuring microfluctuation of accommodation is also disclosed.

Abstract: A laser eye surgery system includes a laser source, a ranging subsystem, an integrated optical subsystem, and a patient interface assembly. The laser source produces a treatment beam that includes a plurality of laser pulses. The ranging subsystem produces a source beam used to locate one or more structures of an eye. The ranging subsystem includes an optical coherence tomography (OCT) pickoff assembly that includes a first optical wedge and a second optical wedge separated from the first optical wedge. The OCT pickoff assembly is configured to divide an OCT source beam into a sample beam and a reference beam. The integrated optical subsystem is used to scan the treatment beam and the sample beam. The patient interface assembly couples the eye with the integrated optical subsystem so as to constrain the eye relative to the integrated optical subsystem.

Abstract: An ophthalmologic imaging apparatus includes a data acquisition unit and a controller. The data acquisition unit is configured to repeatedly acquire data by repeatedly scanning an eye using optical coherence tomography. The controller is configured to perform first control to adjust optical path length difference between a sample arm and a reference arm of an interference optical system for optical coherence tomography to place an image of the eye in a reference position in an image frame based on the data repeatedly acquired by the data acquisition unit. Further, the controller is configured to perform second control to change the optical path length difference so as to place the image of the eye in a new reference position in the image frame based on the data repeatedly acquired by the data acquisition unit. The apparatus can perform preparatory operations for OCT measurement of the subject's eye.

Abstract: The present invention provides a retinoscope comprising: a refractor that has a lens module therein and is located at a predetermined distance from eyes of a person to be tested such that a line of sight of the person to be tested passes through an optometry window, wherein the lens module is configured such that a plurality of lenses necessary for correction are selectively located on the optometry window in order to obtain a correction value for correcting the eyes of the person to be tested; a main body for supporting the refractor; a retinoscope unit coupled to one surface of the main body and maintained at a predetermined distance from the refractor, wherein the retinoscope unit radiates light beams to the eyes of the person to be tested so as to be close to the line of sight of the person to be tested and rotates or reciprocates the light beams when receiving a signal of an operating unit; and the operating unit that operates driving of the refractor and the retinoscope unit.

Abstract: An eye alignment monitor and method are described for the detection of variability of the relative alignment of the two eyes with each other, thereby detecting deficits of binocular function, for use as a screening device for these abnormalities especially in infants and young children. Each embodiment includes means for tracking of the positions of a subject's two eyes simultaneously, and furthermore includes repetitive calculation of the relative positions of the two eyes with respect to each other. The embodiments do not require fixation by either eye on a specific point. Typically, a movie on a video display is used for viewing by the subject. Variability of relative alignment of the two eyes with each other is typically determined by variability of the relative positions of images of the pupils of the eyes with respect to each other over time.

Abstract: The present invention provides for very fast detection of gaze direction using retro-reflected light from the ocular fundus that is cost-efficient, small, and portable. These eye trackers are useful in many areas of science and technology, including but not limited to remote control, space, defense, medical and psycho-physiological applications, to identify for example subtle neurologic deficits that occur with cerebellar or vestibular disorders, Parkinson's disease, strokes, traumatic brain injury, possible concussions during sports matches, some forms of reading disability, or simply fatigue or inebriation. In ophthalmology, with two such devices operating simultaneously, the variability of relative eye alignment over time can be measured, without requiring individual calibration, and without requiring fixation on a specified target, ideal for use with small children.

Abstract: A method includes obtaining an image of an eye in a bright-pupil imaging mode in which a retinal retro-reflection complements the image of the eye in the bright-pupil mode, and obtaining an image of the eye in a dark-pupil imaging mode in which a corneo-scleral retro-reflection complements the image of the eye in the dark-pupil mode. One of the bright-pupil imaging mode and the dark-pupil imaging mode is selected based on quality of obtained images.

Abstract: A head mounted compact goggle based video oculography system comprises: a goggle base surrounding the subject's eyes; an angled hot mirror; at least one digital camera attached to the goggle base along the top side of the goggle base taking images of at least one of the subject's eyes via a hot mirror reflection; an integral display for selectively displaying visual stimulus to the subject through the hot mirror and attached to the goggle base along the rear side of the goggle base; a controller coupled to the display generating each visual stimulus for each neuro-otologic test to be displayed to the subject via the display and coupled to each digital camera and receiving and storing data signals there from, the controller configured to calculate eye related data from the digital camera images during each neuro-otologic test, and configured to display the eye related data to users.

Abstract: The present invention is directed to an indirect ophthalmoscopic system for imaging of the ocular fundus including a headband configured to hold a digital imaging device and a plus eyepiece lens in front of an eye of the examiner, with the plus eyepiece lens positioned in between the digital imaging device and the examiner's eye, such that the examiner is focused upon the display of the digital imaging device. The aperture of the digital imaging device receives light reflected from the ocular fundus of the patient's eye, emanating from the patient's pupil. The examiner examines the patient and composes the image of the ocular fundus directly in the display screen. In this way, what the examiner sees is captured by the digital imaging device. Stereoscopic imagery is obtained by optical means that create side-by-side virtual images of the aperture of the digital imaging device within the pupil of the eye.

Abstract: In line-scan scanning laser ophthalmoscopy (SLO) a narrowband of wavelengths is required. For greater flexibility the frequencies of this narrowband should be selectable. This is possible using a broadband tunable single mode source, but such a solution is expensive. A system is provided in which an extended broadband source is used. Light from the extended source passes to a diffraction grating, which introduces a wavelength dependent angular separation when reflecting the light. By rotating the diffraction grating, only light of a selectable narrowband passes through a fixed output slit for use by the line-scan SLO system. Alternatively, the diffraction grating can be fixed and a rotatable mirror lying between the diffraction grating and the output slit can be used to select the wavelengths reaching the line-scan SLO system.

Abstract: A measurement system may comprise a sensor wire and a transceiver unit. The sensor wire may comprise an insertable portion configured to be inserted in a blood vessel of a patient's body and two sensors disposed within the insertable portion at a distal end of the sensor wire. The sensors are configured to measure a parameter when inserted inside the patient. The transceiver unit may comprise: a housing adapted to be connected to a proximal end of the sensor wire; and a first communication module within the housing adapted to wirelessly communicate by a communication signal with an external second communication module in order to transfer information to the external second communication module.

Abstract: Devices, systems and methods are disclosed which relate to remotely monitoring the health of an individual. The individual wears a health monitoring device, with an attached strap, capable of sensing characteristics of the individual. These characteristics may include voice level and tone, movements, blood pressure, temperature, etc. The device allows individuals to constantly monitor their health without having to physically visit a doctor or other health care professional. Wireless communication, for instance with an Internet Protocol Television (IPTV) set-top box, allows measurements to be made and evaluated by a computerized healthcare service provider. For a more accurate evaluation, measurements are sent over the INTERNET to a service. The device communicates with services in order to diagnose the individual based upon the characteristics.

Abstract: An imaging device includes (a) a light source device arranged to illuminate a sample under investigation with illumination light, (b) a detector device arranged to collect a plurality of images including at least one sample light image backscattered by the sample, and at least one marker light image originating from at least one marker substance in the sample, and (c) a processor device adapted to process the at least one sample light image.

Abstract: Optics for apodizing an optical imaging probe beam, and methods for fabricating optics for apodizing an optical imaging probe beam are provided. In some embodiments, optics for apodizing an electrical comprises: an optical fiber; a focusing element coaxially aligned with the optical fiber; an element having a cylindrical bore and an angled reflective surface, wherein a first portion of a beam focused by the focusing element enters the cylindrical bore and a second portion of the beam is reflected at an angle to produce a beam with a generally annular-shaped profile.

Abstract: This is a wearable device to measure a person's food consumption based on the interaction between light energy and body tissue comprising: a wearable spectroscopic sensor that collects data concerning the spectrum of light energy reflected from body tissue or having passed through body tissue; a data processing unit; and a power source. Spectroscopic sensor data is analyzed to measure consumption of selected types of food, ingredients, and/or nutrients. This device can be embodied in a finger ring, smart watch, wrist band, wrist bracelet, armlet, cuff, or sleeve with close-fitting spectroscopic sensors.

Abstract: A plaque detection apparatus (70) and method make use of an excitation source (72), a light detector (74) and a controller (76). The excitation source (72) outputs wavelength modulated light (?ex) to an evaluation site (80) that has a periodically changing wavelength centered around a wavelength corresponding to a non-linearity in an absorption and/or a fluorescence excitation spectrum for a chosen plaque. The chosen plaque exhibits spectral characteristics different from non-chosen plaque and/or interfering species. The light detector (74) detects light (?site) (84) received from the evaluation site (80), including site reflected light (?refl) and/or site emitted light (?em). The controller (76) operatively couples to the excitation source (72) and the light detector (74) for controlling the excitation source to output the wavelength modulated light and detecting plaque as a function of the detected light (?site) and at least one higher harmonic of the wavelength modulation frequency.

Abstract: An object information acquiring apparatus applying light to an object, receiving an acoustic wave generated inside the object, and acquiring information on an inside of the object on the basis of the acoustic wave comprises a light source configured to selectively emit irradiation light with at least two kinds of wavelengths; a wavelength switching unit for instructing the light source to implement switching between the wavelengths of the irradiation light; an illumination optical system guiding the irradiation light to the object; and a light irradiation limiting unit for limiting irradiation of the light to the object during a period from when the wavelength switching unit provides an instruction on wavelength switching of the light to when the light source completes the wavelength switching of the light.

Abstract: Provided is a photoacoustic apparatus capable of recognizing variation in reception characteristic among a plurality of receiving elements that detect an acoustic wave in the photoacoustic apparatus, with a simple configuration unique to the photoacoustic apparatus. A photoacoustic apparatus includes a detecting unit including a plurality of receiving elements configured to detect an acoustic wave that is generated when an analyte is irradiated with light; a signal processing unit configured to acquire information about the inside of the analyte from a detected signal acquired from the detecting unit; an optical absorber configured to absorb the irradiation light; and a reception characteristic calculation unit configured to calculate reception characteristic information of the plurality of receiving elements on the basis of detected signals when the plurality of receiving elements receive an acoustic wave that is generated from the optical absorber.

Abstract: The invention provides a neck-worn sensor (referred to herein as the ‘necklace’) that is a single, body-worn system that measures the following parameters from an ambulatory patient: heart rate, pulse rate, pulse oximetry, respiratory rate, temperature, thoracic fluid levels, stroke volume, cardiac output, and a parameter sensitive to blood pressure called pulse transit time. From stroke volume, a first algorithm employing a linear model can estimate the patient's pulse pressure. And from pulse pressure and pulse transit time, a second algorithm, also employing a linear algorithm, can estimate systolic blood pressure and diastolic blood pressure. Thus, the necklace can measure all five vital signs along with hemodynamic parameters. It also includes a motion-detecting accelerometer, from which it can determine motion-related parameters such as posture, degree of motion, activity level, respiratory-induced heaving of the chest, and falls.

Abstract: Disclosed are devices, systems, and methods for determining the dipole densities on heart walls. In particular, a triangularization of the heart wall is performed in which the dipole density of each of multiple regions correlate to the potential measured at various located within the associated chamber of the heart. To create a database of dipole densities, mapping information recorded by multiple electrodes located on one or more catheters and anatomical information is used. In addition, skin electrodes may be implemented. Additionally, one or more ultrasound elements are provided, such as on a clamp assembly or integral to a mapping electrode, to produce real time images of device components and surrounding structures.

Abstract: According to one embodiment, a tissue penetrating device includes an elongate shaft having a proximal end, a distal end, and a lumen extending there between. A first needle is disposed within the lumen of the elongate shaft and is extendable therefrom between a first configuration and a second configuration. In the first configuration, the first needle is disposed within the elongate shaft's lumen and is substantially aligned with an axis of the lumen. In the second configuration, the first needle extends distally of the elongate shaft's distal end and bends away from the lumen's axis. A second needle is disposed within a lumen of the first needle and is extendable therefrom when the first needle is positioned in the first configuration and when the first needle is positioned in the second configuration. The second needle may be extended from the first needle to penetrate tissue of a patient.

Abstract: A device for monitoring heart rate or blood oxygen level during exercise is disclosed having sensors and emitters, wherein the sensors are used to monitor transmission from each of the emitters in turn. This provides a possibility that a smaller device can be provided since less sensors and emitters can be used while obtaining more number of observations. In some embodiments, the repeated use of sensors with different emitters introduces redundancy into the device so that the device is more robust and may function even in the event that one or two of the emitters and sensors have broken down.

Abstract: The present invention discloses a reflectance type PPG-based physiological sensing system with a close proximity triangulation approach toward robustly measuring several physiological parameters including, but is not limited to, heart rate, breathing rate, blood oxygen saturation and pulse wave velocity.

Abstract: Methods and apparatuses (e.g., devices and systems) for vagus nerve stimulation, including (but not limited to) sub-diaphragmatic vagus nerve stimulation. In particular, the methods and apparatuses described herein may be used to stimulate the posterior sub-diaphragmatic vagus nerve to treat inflammation and/or inflammatory disorders. The implantable microstimulators described herein may be inductively charged and/or communicated with using the external charger. The implant may include a receiving antenna wrapped around the battery and/or the housing of the microstimulator/microregulator and/or may include a high magnetic permeability material in order to serve as a magnetic core for the antenna coil. Wearable inductive chargers/communication devices for inductively communicating with (including charging) an implanted microstimulator are described herein, which may include magnetically conductive material to enhance communication with an implant, including sub-diaphragmatic implants.

Abstract: Systems and methods for evaluating multiple candidate sensing vectors for use in sensing electrical activity of a heart are disclosed. The system can sense physiologic signals using each of a plurality of candidate sensing vectors, and generate respective signal intensity indicators and interference indicators using the physiologic signals sensed by using the respective sensing vectors. The system can also receive electrode information of each of the candidate sensing vectors, including information about sensing electrodes that are also used for delivering cardiac electrostimulation. The system can rank at least some of the plurality of candidate sensing vectors according to the signal intensity indicators, the interference indicators, and the electrode information. The system can also include a user interface for displaying the ranked sensing vectors, and allowing the user to select at least one sensing vector for use in sensing the cardiac electrical activity.

Abstract: Systems and methods for tracking dynamic structure in physiological data are provided. In some aspects, the method includes providing physiological data, including electroencephalogram (“EEG”) data, acquired from a subject and assembling a time-frequency representation of signals from the physiological data. The method also includes generating a dynamic model of at least one non-stationary spectral feature, such as at least one non-stationary spectral peak, using the time-frequency representation and a user indication, and applying a dynamic model of at least one non-stationary spectral feature in a parameter estimation algorithm to compute concurrent estimates of spectral parameters describing the at least one non-stationary spectral feature. The method also includes tracking the spectral parameters of the at least one spectral feature over time.