Abstract: An X-ray imaging device includes an X-ray irradiation module, an X-ray detection module and an image processor. The image processor is configured to perform: acquiring a high-energy image and a low-energy image respectively obtained by X-ray of relatively high-energy and X-ray of relatively low-energy; generating high-energy frequency component images for each of a plurality of frequency bands by decomposing the high-energy image; generating low-energy frequency component images for each of a plurality of frequency bands by decomposing the low-energy image; generating merged frequency component images by merging at least a portion of the high-energy frequency component images for each of the plurality of frequency bands and at least a portion of the low-energy frequency component images for each of the plurality of frequency bands; and generating a standard image using the merged frequency component images.

Abstract: Examples of this disclosure include a medical imaging system having a control module, a foldable touchscreen with at least a first touchscreen section and a second touchscreen section extending from the first section and being tiltable relative to the first section. The control module has a watertight surface resistant to liquids and configured to be cleanable by disinfectant liquid on the first and second sections, and between the two sections. Other examples include a method for medical imaging that includes displaying a first image generated by the imaging system on the third section of the system, duplicating the first image, displaying the first duplicated image on at least one of the first section and the second section such that a user can at least one of mark an area on the latter and have annotation options, and in response, processing the first image using a predefined algorithm.

Abstract: A displacement mechanism for placing an optical device onto a patient's eyes and removing the optical device from the patient's eyes when the patient is located in a patient bore of a medical imaging system. The mechanism includes a pneumatic device and a resilient element attached between an inner surface of the patient bore and the optical device wherein the resilient element extends through the pneumatic device and wherein the optical device is spaced apart from the patient's eyes in a first position. A pump inflates the pneumatic device to move the optical device to a second position wherein the optical device is placed on the patient's eyes. Inflation of the pneumatic device extends the resilient element and biases the resilient element to return to the first position. A vent valve vents air from the pneumatic device to return the optical device to the first position.

Abstract: One embodiment provides a method, the method including: obtaining, using at least one sensor of an information handling device facilitating a video conference, at least one image of a portion of a user of the information handling device participating in the video conference, wherein at least one participant in the video conference is located remotely with respect to the user; identifying, using an image diagnosis system, a condition of the portion of the user by analyzing the at least one image of the portion of the user; and transmitting, using the image diagnosis system, the condition to the at least one participant. Other aspects are claimed and described.

Abstract: The present disclosure relates to use of a workflow for automatic prescription of different radiological imaging scan planes across different anatomies and modalities. The automated prescription of such imaging scan planes helps ensure contiguous visualization of the different landmark structures. Unlike prior approaches, the disclosed technique determines the necessary planes using the localizer images itself and does not explicitly segment or delineate the landmark structures to perform plane prescription.

Abstract: A method for calculating a subject's state or condition comprises integrating data that are captured from multiple sources, storing the integrated data in a first database, calculating time intervals in which to collect an optimal amount of data to predict the subject state, developing a predictive model using a recorded diary or electronic data capture information, testing the model against a portion of the captured data, and applying the predictive model to new data from other sources. The predictive model may determine a subject state that may be a digital bio-marker for a disease condition. A system for predicting subject state is also disclosed.

Abstract: Image analysis methods based on an ultrasound imaging device and ultrasound imaging devices are provided. An image analysis method may include: obtaining an image of a first section of a target object; generating a first analysis result corresponding to the target object according to the image of the first section; obtaining an image of a second section of the target object; generating a second analysis result corresponding to the target object according to the image of the second section; generating a diagnostic analysis result of the target object according to the first analysis result and the second analysis result; and displaying the diagnostic analysis result of the target object.

Abstract: Disclosed is a computer-implemented method which encompasses registering a tracked imaging device such as a microscope having a known viewing direction and an atlas to a patient space so that a transformation can be established between the atlas space and the reference system for defining positions in images of an anatomical structure of the patient. Labels are associated with certain constituents of the images and are input into a learning algorithm such as a machine learning algorithm, for example a convolutional neural network, together with the medical images and an anatomical vector and for example also the atlas to train the learning algorithm for automatic segmentation of patient images generated with the tracked imaging device. The trained learning algorithm then allows for efficient segmentation and/or labelling of patient images without having to register the patient images to the atlas each time, thereby saving on computational effort.

Abstract: A method is disclosed for generating sinograms by sampling a plurality of transducers acoustically coupled with the surface of a volume of tissue over a period of time after a light pulse at one wavelength, and after another light pulse at a different wavelength, and for processing those sinograms, reconstructing at least two optoacoustic images from the two sinograms, processing the two optoacoustic images to generate two envelope images and generating a parametric map from information in the two envelope images. In an embodiment, motion and tracking are determined to align the envelope images. In an embodiment, at least a second parametric map is produced from information in the same two envelope images. In an embodiment an ultrasound image is also acquired, and the parametric map is coregistered with and overlayed upon the ultrasound image, and then displayed.

Abstract: A method for improving machine learning algorithm performance is described. The method may comprise receiving a first constituent image of human tissue; receiving a second constituent image of human tissue; overlapping a portion of the second constituent image on a portion of the first constituent image to create an augmented image; and training a model using a dataset comprising at least the augmented image.

Abstract: A method, apparatus and computer-readable medium for avoiding collisions between a subject and a radiotherapy device are provided. At a first time point, first location information for the subject is measured using a first sensor and a second sensor. A spatial profile of the subject is determined based on the first location information. At a second time point, second location information for the subject is measured using the first sensor. At this second time point, a line of sight between the second sensor and the subject is obscured. It is determined whether a collision is expected to occur between the subject and the radiotherapy device based on the spatial profile and the second location information.

Abstract: A magnetic field generator that comprises at least three groups of magnets, the magnetic moment of each magnet being rotatable about a rotation axis, wherein each group comprises at least two magnets, and each group has an orientation in the sense that the rotation axes of the magnetic moments of the magnets of the same group extend in the group's orientation. The orientations of the different groups are linearly independent.

Abstract: A surgical visualization system for use with a robotic surgical system that includes a surgical tool movable with respect to a tissue of a patient in response to an instrument motion control signal is disclosed. The surgical visualization system includes a camera and a control circuit coupled to the camera. The control circuit is configured to determine a distance between the surgical tool and the tissue and adjust a magnification of the camera based on the distance between the surgical tool and the tissue.

Abstract: A system and method for creating a cavity with a drill assembly provides a powered drill shaft assembly having an articulating tip and a position sensor along the drill shaft; a drill motor assembly with a rotational motor, linear actuator, torque sensor, rotation sensor, electrical resistance sensor and a controller unit having a plurality of programs providing user interface and controlling the operation of the powered drill arrangement; a shroud for the drill shaft with a water port; and a computer software package that combines user specifications with sensor data to control activation and displacement of the drill with a user interface, controls the motor for rotational speed and drilling depth, and gives sensor status, and a display displaying status of a drilling procedure and an image from an imaging device, and that is programmable for a set of parameters for a drilling procedure.

Abstract: There is provided an image processing device comprising a processor, in which the processor acquires a plurality of endoscopic images obtained by picking up images of an observation target with an endoscope, calculates a raw score related to a determination of a severity or a stage of a disease of the observation target, on the basis of each of the endoscopic images, decides a final score on the basis of the raw score, and performs control to display the final score and/or a change over time of the final score in real time on a display.

Abstract: Image data is processed for noise reduction before encoding and subsequent decoding. For an input image in a spatial domain, two-dimensional (2-D) wavelet coefficients at multiple levels are generated. Each level includes multiple subbands, each associated with a respective subband type in a wavelet domain. For respective levels, a flat region of a subband is identified, which flat region includes blocks of the subband having a variance no higher than a first threshold variance. A flat block set for the subband type associated with the subband is identified, which includes blocks common to respective flat regions of the subband. A second threshold variance is determined using variances of the flat block set, and is then used for thresholding at least some of the 2-D wavelet coefficients to remove noise. After thresholding, a denoised image is generated in the spatial domain using the levels.

Abstract: Methods, systems, and devices for calibrating a medical instrument are discussed herein. For example, a first instrument can be configured to access an anatomical site via a first access path and a second instrument can be configured to access the anatomical site via a second access path. The second instrument can include an imaging component configured to provide image data representative of the anatomical site and the first instrument. A difference can be identified between a first coordinate frame associated with the first instrument and a second coordinate frame associated with the second instrument. A control frame of reference associated with the first instrument can be updated based at least in part on the difference.

Abstract: There are provided a sample acquisition information management device, a sample acquisition information management system, and a sample acquisition information management method that allow a subject who is to collect a sample by oneself to reliably perform a sample acquisition operation. Each of the sample acquisition information management device and the sample acquisition information management system includes an image acquisition unit (16) that acquires an image and a video of a sample acquisition operation of a subject using a sample examination kit, an output unit (18) that outputs acquisition means information and operation check information, and a processing unit (20) that determines whether or not the image or the video acquired by the image acquisition unit (16) corresponds to a correct sample acquisition operation and controls display of the acquisition means information and the operation check information.

Abstract: A system and method for guidance of a device having a curved needle to a target tissue includes a tracking system having an imaging component, a processor, and a curved needle with known geometric parameters. The processor is configured to calculate a needle trajectory based on geometric considerations of the needle and the target tissue. Additional features and methods of the invention include a display with an annotated overlay for directing and tracking the curved device.

Abstract: A method and apparatus monitors chronic disease state of a patient. The method may include extracting, in a processor, for each of a plurality of monitoring sessions, a respiratory feature from a respiratory signal indicative of the patient's respiration during the monitoring session, the respiratory signal derived from at least one sensor; and computing, in a processor, a stability measure of the patient for a monitoring session, the stability measure representing an indication of a change point having occurred at the monitoring session in a statistical distribution of the respiratory feature.

Abstract: A detection unit detects a lesion candidate contained in display frame data (a tomographic image), using a machine learned detection model. An exclusion processing unit collates a feature vector of the detected lesion candidate with feature vectors registered in an exclusion database to determine whether the detected lesion candidate is an exclusion target. When the detected lesion candidate is an exclusion target, a mark display control unit restricts display of a mark for indicating a lesion candidate.

Abstract: A magnetic resonance imaging device according to an embodiment includes a processing circuitry. The processing circuitry obtains, from an image of a test subject taken by an optical photographing device, image-related information regarding at least either the test subject or a radio frequency (RF) coil attached to the test subject. Then, the processing circuitry selects statistical information about the attachment position of the RF coil based on the image-related information. Subsequently, the processing circuitry outputs the attachment position of the RF coil corresponding to the statistical information.

Abstract: A system and method for personalized diagnosis of human body surface conditions from images acquired from a mobile camera device. In an embodiment, the system and method is used to diagnose skin, throat and ear conditions from photographs. A system and method are provided for data acquisition based on visual target overlays that minimize image variability due to camera pose at locations of interest over the body surface, including a method for selecting a key image frame from an acquired input video. The method and apparatus may involve the use of a processor circuit, for example an application server, for automatically updating a visual map of the human body with image data. A hierarchical classification system is proposed based on generic deep convolution neural network (CNN) classifiers that are trained to predict primary and secondary diagnoses from labelled training images.

Abstract: Systems and methods for locating abnormalities within a breast and generating mappings of structures, such as ducts, within the breast. First imaging data may be acquired for a breast from a first imaging modality and second imaging data for the breast from a second imaging modality. The first imaging data is co-registered with the second imaging data, such that the first imaging data and the second imaging data share a common coordinate space. Based on the second imaging data, a plurality of structures within the breast are mapped to generate a mapping of the plurality of structures. From at least one of the first imaging data or the second imaging data, the abnormality in the breast is located. The mapping of the plurality of structures and the located abnormality in the breast may be concurrently displayed. A statistical analysis of the mapping of the breast structures may also be performed.

Abstract: Provided is to a system with an interface for providing visualization data for visualizing at least one section of a patient's eye, comprising an OCT device for capturing OCT scanning data by scanning the section of the patient's eye by means of an OCT scanning beam and comprising a computer unit for processing the OCT scanning data into the visualization data within the scope of an image rectification algorithm, which is designed to output the visualization data at the interface.

Abstract: Disclosed is an intraluminal ultrasound imaging system, comprising a processor circuit in communication with an intraluminal ultrasound imaging catheter, and configured to receive an intraluminal ultrasound image from the imaging catheter within a body lumen of a patient, the body lumen comprising a plurality of segments. The processor is configured to identify a segment of the plurality of segments where the imaging catheter was located when the image was obtained, and output to a display a stylized figure of the body lumen including the plurality of segments, and an indicator identifying the segment in the stylized figure where the imaging catheter was located when the image was obtained.

Abstract: Aspects of the present invention relate to providing assistance to medical professionals during the performance of medical procedures through the use of technologies facilitated through a head-worn computer.

Abstract: Systems and methods for determining beam asymmetry in a radiation treatment system using electronic portal imaging devices (EPIDs) without implementation of elaborate and complex EPID calibration procedures. The beam asymmetry is determined based on radiation scattered from different points in the radiation beam and measured with the same region of interest ROI of the EPID.

Abstract: A catheter-based imaging apparatus comprises a catheter having a proximal end and a distal end. An optical emitter is configured to emit optical excitation signals from a distal portion of the catheter. One or more ultrasound transducers are configured for: (a) transmission of acoustic excitation signals from the distal portion of the catheter; and (b) detection of ultrasound response signals from an object of interest at or near to the distal portion of the catheter at frequencies which include a lower receive frequency at least as low as 10 MHz and a higher receive frequency at least as high as 35 MHz. The one or more ultrasound transducers are thereby configured to detect response signals comprising photoacoustic response signals from the object of interest at the lower receive frequency and high resolution imaging signals from the object of interest at the higher receive frequency.

Abstract: A method and system for computer assisted orthopedic feedback of at least one surgical object relative a pre-operative plan are disclosed. The pre-operative plan includes a virtual object, which is the virtual representation of the surgical object, and a virtual structure, which is the virtual representation of the patient structure.

Abstract: An apparatus, system, and method are disclosed for monitoring the motion, breathing, heart rate of humans in a convenient and low-cost fashion, and for deriving and displaying useful measurements of cardiorespiratory performance from the measured signals. The motion, breathing, and heart rate signals are obtained through a processing applied to a raw signal obtained in a non-contact fashion, typically using a radio-frequency sensor. Processing into separate cardiac and respiratory components is described. The heart rate can be determined by using either spectral or time-domain processing. The respiratory rate can be calculated using spectral analysis. The sensor, processing, and display can be incorporated in a single device which can be worn or held close to the body while exercising, or alternately placed in a fixed piece of exercise equipment at some distance form the body, and may also be integrated with other sensors, such as position locators.

Abstract: A system and method configured to better identify patient-specific anatomical landmarks, measure anatomical parameters and features, and predict the patient's need for surgery within a predetermined time period. In some embodiments, the system and method is configured to predict the likelihood or risk that a patient will require total hip arthroplasty. In some embodiments, the present invention includes machine learning technology Some embodiments of the present invention include a first ML machine configured to received medical images as inputs and identify anatomical landmarks as outputs; a measurement module to measure joint space width, hip dysplasia angles, and/or leg length differential; and a second ML machine configured to receive the anatomical measurements and patient demographic data as inputs and produce a risk or likelihood that the patient will require surgery within a certain time frame.

Abstract: A vessel location assistance device having a housing with a proximal portion and a distal portion, an infrared light emitter adapted to emit infrared light from the housing to a patient and an infrared light receiver adapted to receive backscattered infrared light intensity reflected from the patient, wherein the received backscattered infrared light intensity is converted to a voltage and when the voltage is within a calibrated range the device indicates the presence of a blood vessel. The device may further include at least one wing with a slot for capturing the blood vessel.

Abstract: Disclosed are a method and a system for visualizing X-ray positioning of a handheld X-ray machine. The method includes: acquiring video acquisition information and distance information from a preset distance acquisition module to an image receiving surface; processing the video acquisition information and the distance information and generating a processing result; and presenting a projection area of the X-ray based on the processing result.

Abstract: An endoscope can include an elongated endoscope body. An optical fiber can extend along the endoscope body. The optical fiber can direct therapeutic light and illumination light longitudinally along the optical fiber to a distal portion of the endoscope body. The therapeutic light and the illumination light can have different wavelengths. A wavelength-sensitive light separator, disposed at a distal portion of the optical fiber, can direct the illumination light to exit the optical fiber laterally through a lateral side of the optical fiber at the distal portion of the optical fiber and permit the therapeutic light to exit the optical fiber longitudinally through a distal end of the optical fiber. Examples of suitable wavelength-sensitive light separators can include one or more fiber Bragg gratings that can be obliquely angled, or a diffraction grating disposed on a lateral edge of a length of coreless fiber.

Abstract: Disclosed are various examples and embodiments of systems, devices, components and methods configured to estimate the action potential wave propagation in a patient's heart, and subsequently to detect at least one location or type of at least one source of, or rotational phenomenon associated with, at least one cardiac rhythm disorder using intracardiac electrodes and a modified multi-frame Horn-Schunck algorithm to generate a map corresponding to a spatial map, the map being configured to reveal on a monitor or display to a user the at least one location of the at least one source of the at least one cardiac rhythm disorder.

Abstract: A method and device for tracking objects by surgical navigation systems. The method includes: capturing an image of the tracked object; determining whether a unique identifiable feature associated with at least one totem pattern is discernible in the image; when the unique identifiable feature is discernible: determining a position or an orientation of the tracked object based on the at least one totem pattern; and registering the at least one totem pattern in the surgical coordinate space; and when the unique identifiable feature is indiscernible: determining a position of each totem pattern relative to other totem patterns such that a combination of totem patterns within the captured image is a marker group detectable as a composite totem pattern; determining a position or an orientation of the tracked object based on the composite totem pattern associated with the tracked object; and registering the composite totem pattern in the surgical coordinate space.

Abstract: Perfusion angiography combined with photoplethysmography imaging for peripheral vascular disease assessment A device (13) and method for performing perfusion imaging receive image sequences that are acquired simultaneously by an X-ray imaging apparatus (2) and by a photoplethysmography imaging apparatus (3). When temporally aligned, changes in the perfusion states of a perfused organic tissue over time are extracted from the two image sequences and an image is generated for display on a display unit (5) which indicates the changes in the perfusion states at various locations of the perfused organ tissue, thereby capturing both deep organ tissue and superficial organ tissue perfusion properties. A diminution in an image signal strength in the photoplethysmography images caused by a passage of a bolus comprising a previously administered contrast agent (10) can be used to align the two concurrently acquired image sequences in time.

Abstract: The present disclosure provides a system and method for motion field generation and image correction. The method may include obtaining a plurality of first sets of magnetic resonance (MR) image data of an object generated based on a plurality of first sets of imaging sequences. The method may include obtaining a motion curve of the object. The method may include obtaining position emission tomography (PET) image data of the object generated in a scanning time period. The method may include generating one or more target motion fields corresponding to the scanning time period based on the plurality of first sets of MR image data and the motion curve. The method may include generating one or more corrected PET images by correcting, based on the one or more target motion fields, the PET image data.

Abstract: A process of monitoring heart valve function involves placing one or more transducers on a patient's body, receiving, using the one or more transducers, one or more signals indicating a blood flow velocity profile associated with a heart of the patient, identifying a first peak in the blood flow velocity profile, and determining a severity of a dysfunction of a first heart valve of the heart based on the first peak.

Abstract: A method for creating a patient-specific surgical plan includes receiving one or more pre-operative images of a patient having one or more infirmities affecting one or more anatomical joints. three-dimensional anatomical model of the one or more anatomical joints is created based on the one or more pre-operative images. One or more transfer functions and the three-dimensional anatomical model are used to identify a patient-specific implantation geometry that corrects the one or more infirmities. The transfer functions model performance of the one or more anatomical joints as a function of anatomical geometry and anatomical implantation features. surgical plan comprising the patient-specific implantation geometry may then be displayed.

Abstract: An embodiment of the invention provides a system for automatically deriving a parameter of a human heart from ultrasound results. A first neural network is arranged to receive a plurality of echocardiographic images and to classify the images into one of at least a two-chamber view and a four-chamber view. A second neural network is arranged to receive echocardiographic images comprising a two- or four-chamber view and to identify the endocardial border of the left ventricle (LV) for each view. End-systole and end-diastole images are then identified and a parameter such as LV volume, ejection fraction, global longitudinal strain and regional longitudinal strain is calculated.

Abstract: An exemplary system is configured to obtain anatomical characteristic data representative of a characteristic associated with an anatomical surface to be covered by a physical medical element, the anatomical surface within an internal space of a patient and determine, based on the anatomical characteristic data, a placement guidance parameter set. The placement guidance parameter set may include one or more parameters configured to guide a placement of the physical medical element on the anatomical surface with one or more surgical instruments controlled by a computer-assisted surgical system.

Abstract: Systems, devices, and methods are disclosed for characterizing joint attention. A method includes dynamically obtaining video streams of participants; dynamically obtaining gaze streams; dynamically providing a cue to the participants to view the object; dynamically detecting a joint gaze based on the gaze streams focusing on the object over a time interval; and dynamically providing feedback based on detecting the joint gaze.

Abstract: A method and system of compensating for body deformation during image acquisition or external beam treatment includes acquiring image data of a body and peak wavelength data from a plurality of fiber Bragg gratings (FBGs) disposed on the body aligned along a predetermined coordinate system on the body, such as a cartesian coordinate system. The method further comprises detecting effective shifts of the Bragg wavelengths of the FBGs caused by body deformation during image acquisition, and controlling the movement of the body through a cavity in a scanning device and controlling the acquisition of the image data or external beam treatment during body deformation based on the effective shifts of the Bragg wavelengths of the FBGs.

Abstract: A wearable device can present virtual content to the wearer for many applications in a healthcare setting. The wearer may be a patient or a healthcare provider (HCP). Such applications can include, but are not limited to, access, display, and modification of patient medical records and sharing patient medical records among authorized HCPs.

Abstract: A method comprising capturing a pose of a surgical tool at a surgical site of a patient. The method includes determining a range of movement of the surgical tool at the surgical site, in response to the captured pose. The method includes displaying a representation of the determined range of movement onto an image associated with the surgical site. The method includes providing one or more instructions to limit a movement of a robotic device according to the determined range of movement.

Abstract: Systems, methods, and devices are provided for automatically adjusting the scale or magnification of an intraluminal image on a display of an intraluminal imaging system based on a measured or computed size of the vessel. For example, a system may include a processor configured to receive, from an intraluminal imaging catheter or guidewire, a first intraluminal image of a body lumen, and compute a dimension of an anatomical feature of the body lumen based on the first intraluminal image. The processor computes a scaling factor for the first intraluminal image based on the dimension of the body lumen, scales the first intraluminal image by the scaling factor, and outputs the scaled first intraluminal image to a display in communication with the processor circuit.

Abstract: Apparatus and methods are described including tracking a tool portion and a patient marker from a first line of sight, using a first tracking device disposed upon a first head-mounted device that includes a display. The tool portion and the patient marker are tracked from a second line of sight, using a second tracking device. When a portion of the patient marker and the tool portion are both within the first line of sight, an augmented reality image is generated upon the first display based upon data received from the first tracking device and without using data from the second tracking device. When at least the patient marker portion and the tool portion are not both within the first line of sight, a virtual image of the tool and anatomy of the patient is generated using data received from the second tracking device. Other applications are also described.

Abstract: A location pad includes two or more field-generators, and a frame. The field-generators are configured to generate respective magnetic fields at least in a region-of-interest (ROI) of a patient organ, for measuring a position of a medical instrument in the ROI. The frame is coupled with tissue that is at least partially surrounding the organ and is configured to fix the two or more field-generators at respective positions surrounding the ROI.