Abstract: An ultrasonic diagnosis apparatus is provided. The ultrasonic diagnosis apparatus includes an ultrasonic probe configured to transmit ultrasonic push pulses to a biological tissue of a test object and further configured to transmit measuring ultrasonic pulses to the biological tissue subjected to the transmitted push pulses in order to measure an elasticity of the biological tissue, a respiration detection part configured to detect respiration of the test object, and a notification part which, based on the detection by the respiration detection part, is configured to give notification allowing a transmission timing of the push pulses to be recognized.

Abstract: Embodiments of the present invention relate to the technical field of automatic testing of a graphical user interface in the technical field of software testing. Embodiments of the invention provide a method for automatically generating a test script for a graphical user interface. This method comprises defining information of each component in a tested graphical user interface, writing a test case file, and generating a file of combined values of components, and adding an operation type to each component in each file of combined values. The method further comprises determining a sequence of operations in each of the files of combined values, and generating a test script. This method reduces the tester's workload when manually programming test scripts and facilitates maintenance of test scripts.

Abstract: A front-lit detector includes a collimator, an X-ray to visible light converter configured to convert X-rays to visible light after the X-rays pass through the collimator to irradiate the X-ray to visible light converter, a visible light to analog signal converter configured to cover the visible light into analog signals, a substrate on which the visible light to analog signal converter is placed, and an A/D converter configured to convert the analog signals into digital signals.

Abstract: A medical imaging system includes image acquisition circuitry, a memory, and a processor coupled to the image acquisition circuitry and memory. The processor executes a physiologic marker program out of the memory. The marker program obtains physiologic marker definitions for events shown in a first dataset image, determines physiologic markers associated with the marker definitions, and superimposes the physiologic markers on a second dataset image that does not necessarily show the event.

Abstract: A method for acquiring cardiac information from a patient having a pacer for pacing a heart rhythm, an abnormal EKG, or an abnormal heartbeat is disclosed. The method includes: placing a signal injection device proximate the pacer of the patient and injecting a signal across a skin barrier of the patient toward the pacer; in response to the signal received at the pacer, pacing the patient's heart in a fixed asynchronous pacing mode; and, acquiring cardiac information relating to the patient's fixed asynchronously paced heart.

Abstract: For the purpose of reducing artifacts caused by a scan plane tilted with respect to a rotation plane when a multi-row detector is employed, a j-th detector row which an X-ray passing through a pixel point g(x, y) enters is selected based on the distance ?z from a scan center plane to an image reconstruction plane in a z-axis direction and the position (x, y) of the pixel point g in the image reconstruction plane, and data of the j-th detector row is used to determine the pixel value of the pixel point g, where the scan center plane at a certain view angle is defined as an x-y plane, and a direction normal to the x-y plane, i.e., a detector row direction, is defined as the z-axis direction.

Abstract: An imaging tube (12) includes a cathode (30) that emits an electron beam (32) and an anode (38). The anode (38) includes multiple target surfaces (36). Each of the target surfaces (36) has a focal spot that receives the electron beam (32). The target surfaces (36) generate multiple x-ray beams (42) in response to the electron beam (32). Each x-ray beam (42) is associated with one of the target surfaces (36). An x-ray imaging system (10) includes the cathode (30) and the anode (38). A controller (28) is electrically coupled to the cathode (30) and adjusts emission of the electron beam (32) on the anode (38).

Abstract: A method for obtaining data includes quantifying tissue fat content using a multi-energy computed tomography (MECT) system.

Abstract: MRI system 10 is provided. The MRI system 10 includes a magnet assembly 12. A first cryogen cooling fluid 20 is utilized to cool the magnet assembly 12. A first supply line 16 communicates the first cryogen cooling fluid 20 to the magnet assembly 12. A first return line 18 communicates the first cryogen cooling fluid 20 away from the magnet assembly 12. A blower assembly 22 is positioned between and in communication with the first supply line 16 and the first return line 18. A regenerative heat exchanger 36 is in communication with the first supply line 16 and the first return line 18. The regenerative heat exchanger 36 transfers thermal energy 29 from the first supply line 16 to the first return line 18. The regenerative heat exchanger 36 is positioned between the blower assembly 22 and the magnet assembly 12. A second supply line 28 transports a second cryogen fluid 26 through a pre-cooler assembly 24.

Abstract: An imaging system includes an x-ray source coupled to a gantry. The x-ray source generates an x-ray flux, wherein a portion of the x-ray flux becomes scatter radiation. A scatter detector is also coupled to the gantry to receive the scatter radiation. The scatter detector generates a scatter signal in response to the scatter radiation, and a host computer receives the scatter signal.

Abstract: For the purpose of obtaining an image having a large slice thickness, such as a thickness twice or three times the size of a multi-row detector as measured in the Z?-axis direction, based on raw data collected by an axial scan or helical scan using the detector, raw data (d1-d6) of three or more adjacent detector rows collected using a multi-row detector (24) having three or more detector rows are multiplied by cone-beam reconstruction weights (Wi) and Z-filter weights (wi), and are added to obtain one projection datum (Dg). Backprojection processing is applied to the projection datum (Dg) to obtain a pixel datum.

Abstract: A system and method for enabling a developer to introduce informational attributes suitable for selective inclusion within image headers is disclosed herein. The image headers, along with their selectively included informational attributes, are displayable on a monitor screen together with associated digital images produced by an imaging apparatus. The image headers are also selectively storable in a database together with the pixel data of the associated digital images. The system includes an interactive workstation computer system having memory-stored software applications for operating the imaging apparatus, a memory-stored updatable table of defined informational attributes suited for selective inclusion within image headers, an interactive computer for generating software files of image header definitions from the table of defined informational attributes, and a means to transport the software files of image header definitions to the interactive workstation computer system.

Abstract: In order to reduce the amount of computation in the cone beam reconstruction, the invention provides, from within raw data acquired using a multidetector, extracting raw data Dr corresponding to plural lines on reconstruction field (S4), generating projection line data (S5) by multiplying raw data with cone beam reconstruction weight, filtering projection line data to generate image positional line data Df (S6), determining back projection pixel data (S7, S8, S9) of each pixel on the reconstruction field based on the image positional line data, adding, for each pixel, back projection pixel data of all views used for the image reconstruction to determine back projection data (S10, S11). The number of lines may be variable in compliance with a desired image quality.

Abstract: For the purpose of determining an offset of the position of an X-ray tube from a prespecified position, and correcting axially projected data D1 and pixel projection data D2 based on the determined offset, proper axially projected data D1 can be obtained by an X-ray focal spot 2102 and a detector 2103 by determining axially projected data D1 at a point 2104 using projection data D0 obtained by a channel that detects an X-ray emitted from the X-ray focal spot 2102 and passing through the point 2104, and shifting the determined axially projected data D1 by a distance DIS1 in the (+)-direction of the x-axis.

Abstract: An RF transmission circuit, complex digital synthesizer and MRI apparatus are intended to enhance the stability of signal quantity and reduce the cost, wherein a complex digital synthesizer generates reference carrier frequency signal data directly in the digital domain, RF envelope mixers combine the resulting data and RF envelope signal data in the digital domain, and a digital frequency up-converter up-converts the resulting signal data in the digital domain and converts into an analog RF pulse signal.

Abstract: A method and apparatus for displaying reference background and flow ultrasound images. The method comprises: transmitting at least first and second broadband pulses to a common transmit focal position; receiving at least first and second ultrasound reflections associated with the at least first and second broadband pulses; forming a flow/contrast agent signal component based on the at least first and second ultrasound reflections; forming a B-mode background signal component based on independent processing of at least one of the at least first and second ultrasound reflections; and displaying an ultrasound image including a flow image component in a first image portion of a display and a B-mode reference image component based on at least one of the at least first and second ultrasound reflections, said B-mode reference image component displayed in a second image portion of said display.

Abstract: An I/O system includes a Digital Device selecting a digital output to be set and a Digital I/O Expansion Mechanism, electrically coupled to the Digital Device. The Digital I/O Expansion Mechanism includes an input bank, a FIFO, and an I/O line. The Digital I/O Expansion Mechanism clears a stored value in the first input bank, samples the first value of the first input bank, and detects a change in the input bank. The Digital I/O Expansion Mechanism also stores a state of a data bit of the input bank along with a bank identifier in the FIFO. The Digital I/O Expansion Mechanism still further samples the I/O line via a first READ cycle and drives the I/O line with a next data entry from the FIFO. Digital I/O Expansion Mechanism samples all digital inputs and stores any detected changes in the FIFO. The Digital I/O Expansion Mechanism transmits all values in the FIFO to the Digital Device during a subsequent READ cycle and transmits to the Digital Device a last value read.

Abstract: A method for assembling a rotating X-ray tube, the X-ray tube having a cathode for emitting electrons, and a rotor and a bearing assembly for facilitating rotation of an anode. The method includes using an interference fit assembly between the bearing assembly and the rotor to provide a joint having balance retention. The using interference fit assembly further includes selecting a rotor hub of the rotor having a coefficient of thermal expansion which results in a composite coefficient of thermal expansion for the rotor assembly which closely matches that of a shaft of the bearing assembly. An interference fit joint between a shaft extending from a bearing assembly and a rotor hub is also disclosed, wherein the joint is completed without using any mechanical fasteners or metallurgical bonding, yet can carry all of the operational loads placed on the joint.

Abstract: An apparatus for use with a combined CT-PET system wherein a CT source and detector are mounted to a front end of a CT support and the support forms a parking space about a translation axis, a PET detector is mounted to a rear end of the support and a collimator support extends from the PET detector at least part way into the parking space, a collimator is mounted to the collimator support for movement between first and second positions inside the PET detector and outside the PET detector and at least partially within the parking space, respectively, a radiation blocking shield is mounted to the PET detector opposite the CT support to block radiation from that direction from being detected by the PET detector.

Abstract: A method for rapid extraction and visualization of relevant data from a volume of image data includes rapidly producing reduced-fidelity images derived from an image volume, the reduced fidelity images having an adjustable visual parameter; adjusting the visual parameter of the reduced-fidelity images during the rapid production to select a desired adjustment; producing a full-fidelity image derived from the image volume; and applying the selected adjustment to the full-fidelity image.