Abstract: A curable coating composition includes: (a) a binder having a film-forming resin with at least two functional groups, and (ii) a curing agent reactive with the functional groups of the film-forming resin; and (b) solid vulcanized rubber particles that are unreactive with the binder. The curable coating composition is a solid particulate powder coating composition. Multi-layer coating systems, coated substrates, and methods of preparing the curable coating composition are also disclosed.

Abstract: A curable coating composition includes: (a) a binder having a film-forming resin with at least two functional groups, and (ii) a curing agent reactive with the functional groups of the film-forming resin; and (b) solid vulcanized rubber particles that are unreactive with the binder. The curable coating composition is a solid particulate powder coating composition. Multi-layer coating systems and methods of preparing the curable coating composition are also included.

Abstract: A device comprising includes an insertable structure usable in a surgical theater, a fiber optic line extending through the structure, wherein a computer system is configured to determine a shape of the fiber optic line extending through the structure, and one or more electromagnetic sensors wrapped at least in part around one or more portions of the fiber optic line, wherein the computer system is configured to determine a position and orientation of the one or more electromagnetic sensors, wherein the computer system is configured to determine a shape and a position of the structure based on the determined shape of the fiber optic line extending through the structure and the determined position and orientation of the one or more electromagnetic sensors.

Abstract: Aspects of the technology described herein relate to techniques for guiding an operator to use an ultrasound device. Thereby, operators with little or no experience operating ultrasound devices may capture medically relevant ultrasound images and/or interpret the contents of the obtained ultrasound images. For example, some of the techniques disclosed herein may be used to identify a particular anatomical view of a subject to image with an ultrasound device, guide an operator of the ultrasound device to capture an ultrasound image of the subject that contains the particular anatomical view, and/or analyze the captured ultrasound image to identify medical information about the subject.

Abstract: A calibration device comprising: a plurality of magnetic sensors positioned at the calibration device, the plurality of magnetic sensors defining a space; a controller configured to be positioned in the space defined by the plurality of magnetic sensors, wherein the controller includes a magnetic transmitter; and one or more processors configured to: cause the magnetic transmitter to generate magnetic fields; receive signals from the plurality of magnetic sensors that are based on characteristics of the magnetic fields received at the plurality of magnetic sensors; calculate, based on the signals received from the plurality of magnetic sensors, positions and orientations of the plurality of magnetic sensors relative to a position and orientation of the magnetic transmitter; and determine whether the calculated positions and orientations of the plurality of magnetic sensors are within one or more threshold limits of known positions and orientations of the plurality of magnetic sensors.

Abstract: Aspects of the technology described herein relate to techniques for guiding an operator to use an ultrasound device. Thereby, operators with little or no experience operating ultrasound devices may capture medically relevant ultrasound images and/or interpret the contents of the obtained ultrasound images. For example, some of the techniques disclosed herein may be used to identify a particular anatomical view of a subject to image with an ultrasound device, guide an operator of the ultrasound device to capture an ultrasound image of the subject that contains the particular anatomical view, and/or analyze the captured ultrasound image to identify medical information about the subject.

Abstract: A smart card includes a plurality of display devices on an outside surface of a housing. Circuitry within the housing includes a processor, and communication circuitry configured to communicate with at least one computing device located within a geographic region around the smart card. The processor is configured to continuously receive a plurality of communication signals from the computing device, to continuously assess a geographic distance from the smart card to the fixed position of the computing device within the geographic region using the plurality of communication signals, to continuously activate or deactivate the plurality of display devices based on the geographic distance from the smart card to the fixed position of the computing device in the geographic region for providing a user with a directional indication, distance indication, or both, to the computing device in the geographic region.

Abstract: Technology for guiding a user to collect clinically usable ultrasound images is described. In some embodiments, an ultrasound device may automatically change the elevational steering angle of its ultrasound beam (e.g., using beamforming) in order to collect ultrasound data from different imaging planes within the subject. A processing device in operative communication with the ultrasound device may select one of the collected ultrasound images based on its quality (e.g., select the ultrasound image having the highest quality), and then continue to collect ultrasound images using the elevational steering angle at which the selected ultrasound image was collected.

Abstract: A calibration device comprising: a plurality of magnetic sensors positioned at the calibration device, the plurality of magnetic sensors defining a space; a controller configured to be positioned in the space defined by the plurality of magnetic sensors, wherein the controller includes a magnetic transmitter; and one or more processors configured to: cause the magnetic transmitter to generate magnetic fields; receive signals from the plurality of magnetic sensors that are based on characteristics of the magnetic fields received at the plurality of magnetic sensors; calculate, based on the signals received from the plurality of magnetic sensors, positions and orientations of the plurality of magnetic sensors relative to a position and orientation of the magnetic transmitter; and determine whether the calculated positions and orientations of the plurality of magnetic sensors are within one or more threshold limits of known positions and orientations of the plurality of magnetic sensors.

Abstract: A smart card includes a plurality of display devices on an outside surface of a housing. Circuitry within the housing includes a processor, and communication circuitry configured to communicate with at least one computing device located within a geographic region around the smart card. The processor is configured to continuously receive a plurality of communication signals from the computing device, to continuously assess a geographic distance from the smart card to the fixed position of the computing device within the geographic region using the plurality of communication signals, to continuously activate or deactivate the plurality of display devices based on the geographic distance from the smart card to the fixed position of the computing device in the geographic region for providing a user with a directional indication, distance indication, or both, to the computing device in the geographic region.

Abstract: A method of obtaining a set of values for a respective set of parameters for use in a physically based rendering process to be implemented by a rendering apparatus to render an image of a dataset is described. The method includes defining a performance metric indicative of a performance of a rendering apparatus in implementing a physically based rendering process including path tracing to render an image using a given number of paths; and determining, for the rendering apparatus, a set of values for the set of parameters for which the performance metric satisfies a criterion.

Abstract: A system comprising: a magnetic transmitter configured to generate magnetic fields; a magnetic sensor configured to generate signals based on characteristics of the magnetic fields received at the magnetic sensor; and one or more computer systems configured to: receive the signals from the magnetic sensor; determine, based on the signals received from the magnetic sensor, an electromagnetic (EM) pose of the magnetic sensor relative to the magnetic transmitter; determine one or both of: i) an inertial pose of the magnetic sensor relative to the magnetic transmitter based on inertial data associated with the magnetic transmitter and the magnetic sensor, or ii) an optical pose of the magnetic sensor relative to the magnetic transmitter based on optical data associated with the magnetic transmitter and the magnetic sensor; determine an estimated pose of the magnetic sensor relative to the magnetic transmitter based on the EM pose and the one or both of the inertial pose or the optical pose; determine distorted ma

Abstract: Aspects of the technology described herein relate to techniques for guiding an operator to use an ultrasound device. Thereby, operators with little or no experience operating ultrasound devices may capture medically relevant ultrasound images and/or interpret the contents of the obtained ultrasound images. For example, some of the techniques disclosed herein may be used to identify a particular anatomical view of a subject to image with an ultrasound device, guide an operator of the ultrasound device to capture an ultrasound image of the subject that contains the particular anatomical view, and/or analyze the captured ultrasound image to identify medical information about the subject.

Abstract: A method includes receiving, at a magnetic sensor, a series of transmitter signals that are detected as a series of signals corresponding to different locations and/or orientations of a magnetic transmitter emitting a magnetic field, calculating, receiving, at the magnetic sensor, a measurement transmitter signal that is detected as a signal corresponding to a magnetic field provided by the magnetic transmitter, and calculating, based at least on the received measurement sensor signal and the calibration matrix, one or both of an orientation matrix indicative of an orientation of the magnetic sensor relative to the magnetic transmitter and a positional matrix indicative of a position of the magnetic sensor relative to the magnetic transmitter, wherein the series of transmitter signals are transmitted from the same physical location relative to the magnetic sensor.

Abstract: A smart card includes a plurality of display devices on an outside surface of a housing. Circuitry within the housing includes a processor, and communication circuitry configured to communicate with at least one computing device located within a geographic region around the smart card. The processor is configured to continuously receive a plurality of communication signals from the computing device, to continuously assess a geographic distance from the smart card to the fixed position of the computing device within the geographic region using the plurality of communication signals, to continuously activate or deactivate the plurality of display devices based on the geographic distance from the smart card to the fixed position of the computing device in the geographic region for providing a user with a directional indication, distance indication, or both, to the computing device in the geographic region.

Abstract: A computer-implemented method and a corresponding apparatus are provided for the provision of a two-dimensional visualization image having a plurality of visualization pixels for the visualization of a three-dimensional object represented by volume data for a user. Context information for the visualization is obtained by the evaluation of natural language and is taken into account in the visualization. The natural language can be in the form of electronic documents, which are assigned or can be assigned to the visualization process. In addition, the natural language can be in the form of a speech input of a user, during or after the visualization.

Abstract: A method for use in generating a computer-based visualization of 3D medical image data is described. The method includes receiving 3D medical image data and performing a selection process to select first image data forming a first portion of the 3D medical image data, the first image data representing a first anatomical object of a given type. An analysis process is performed on the first image data, a parameter of the analysis process being based on the given type of the first anatomical object. Based at least in part on a result of the analysis process, a visual parameter mapping for the first portion is determined, for use in a rendering process for generating a visualization of the 3D medical image data. Also described is a method of generating a computer-based visualization of 3D medical image data and an apparatus for performing the methods.

Abstract: A multi-layer coating that transmits and reflects light can include a first coating layer and a second coating layer applied over the first coating layer. The first coating layer is prepared from a coating composition that includes a film forming resin, crosslinked organic particles, and inorganic pigment particles. The crosslinked organic particles and the inorganic pigment particles each have a refractive index that is different from the refractive index of the film forming resin. The second coating layer is prepared from a coating composition that includes a film forming resin and reflective and/or translucent particles.