Thickness Or Density Analysis Patents (Class 378/54)
  • Patent number: 10948184
    Abstract: A tunable diode laser absorption spectroscopy (TDLAS) optical head includes a housing configured for attachment to a sight tube attached to a wall of a process chamber. The TDLAS optical head further includes optics within the housing for transmitting, receiving, or transmitting and receiving a laser beam within a process chamber through the sight tube. The TDLAS optical head further includes a photo sensor in the housing positioned to receive light emitted by combustion within the process chamber to which the housing is attached.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: March 16, 2021
    Assignee: OnPoint Technologies, LLC
    Inventors: Bernard P Masterson, Michael John Estes, Andrew D. Sappey
  • Patent number: 10912954
    Abstract: A patient shuttle system, an irradiation system for particle therapy and an operation method thereof are provided. One embodiment of the present invention provides a patient shuttle system including a patient table on which a patient is placed, a drive device that causes the patient table to move parallel and/or rotate, and a drive control device that controls parallel movement and/or rotation of the patient table by the drive device, in accordance with a parallel movement amount and/or a rotation amount of the patient table that are received from a patient positioning system provided in a treatment room for particle therapy.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: February 9, 2021
    Assignee: B DOT MEDICAL INC.
    Inventors: Yousuke Hara, Takuji Furukawa, Eri Takeshita, Kota Mizushima
  • Patent number: 10859515
    Abstract: A spectrum measurement and estimation method for tomographic reconstruction, beam hardening correction, dual-energy CT and system diagnosis, etc., comprises determining the spectra for combinations of source acceleration voltage, pre-filters and/or detectors and after measuring the transmission values of several pre-filters, calculating corrected spectra for the combinations of the source acceleration voltage, pre-filters and/or detectors.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: December 8, 2020
    Assignee: Carl Zeiss X-ray Microscopy, Inc.
    Inventors: Zhifeng Huang, Thomas A. Case, Lourens B. Steger
  • Patent number: 10807127
    Abstract: An intelligent sorting apparatus includes sensors, bins, and a controller that is configured to use data from the sensors to intelligently sort items into one of the plurality of bins. The controller may use the sensors to determine whether an item includes one of ceramic, metal, or wet or dry waste, as the item traverses down a first, second, and/or third incline, respectively. The controller may route the item towards one of a ceramic bin when the item includes ceramic, metal bin when the item includes metal, wet bin when the item includes wet waste, or dry bin when the item includes dry waste.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: October 20, 2020
    Assignee: International Business Machine Corporation
    Inventors: Hossein Torabi, Robert Retchless, Christopher Kong, Hien Tan Nguyen, Siamack Jabbarzadeh Farshi
  • Patent number: 10758747
    Abstract: A method is provided for determining the stopping power from computed tomography scans. The method includes preparing computed tomography scans of a body region with two different recording energies; determining the stopping power for different CT numbers from dual energy image areas of the computed tomography scans; forming a data field in which the determined values for the stopping power for different CT numbers from dual energy image areas are applied as a function of the CT numbers; forming a look-up table from the data field; determining the stopping power for different CT numbers from single energy image areas of the computed tomography scans by the look-up table. A corresponding device and control device, a corresponding particle therapy system, and a corresponding computed tomography system, are also provided.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: September 1, 2020
    Assignee: Siemens Healthcare GmbH
    Inventor: Christian Hofmann
  • Patent number: 10746541
    Abstract: An inspection device is provided in which X-rays are radiated in a fan-like shape with respect to an extension direction of steel cords, are transmitted through a conveyor belt, and reach an X-ray line sensor. A control device makes an X-ray generator and the X-ray line sensor move in a fixed relative position at a certain speed within a certain movement range in a direction parallel with a plane and orthogonal to an extension direction of the steel cords. The control device generates two-dimensional image information on the basis of an X-ray transmission signal obtained each time the X-ray generator and the X-ray line sensor move a unit amount equal to a pixel pitch of the X-ray line sensor. The control device detects measurement information relating to the conveyor belt and the steel cords on the basis of the obtained two-dimensional image information.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: August 18, 2020
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Mitsutaka Masuda, Koji Urabe, Tsutomu Inoue
  • Patent number: 10721947
    Abstract: The invention relates to an apparatus (10), designed and configured to acquire and analyse product-specific data for products (12) of the food processing industry, comprising a conveyor (11), which is gap-free in the transport plane, for transporting separated products (12) in transport direction T from an intake end to a discharge end, an X-ray unit (13) having at least one X-ray source (14) and at least one X-ray camera (15) for acquiring product-specific data, wherein X-ray source (14) and X-ray camera (15) are assigned to the conveyor (11) in such a manner that the products (12) can be guided along between the X-ray source (14) and the X-ray camera (15), as well as a control unit (16) which is connected to the X-ray unit (13) and is designed and configured to receive and analyse the product-specific data, forming a first data set, acquired by said X-ray unit (13), which is characterised in that at least one optical camera (17) is assigned to the same conveyor (11) between its intake end and discharge end,
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: July 28, 2020
    Assignees: John Bean Technologies Corporation, Nordischer Maschinenbau Rud. Baader GmbH + Co. KG
    Inventors: George R. Blaine, Jon A. Hocker, Alexander Steffens
  • Patent number: 10713784
    Abstract: To provide a technique of obtaining information for discriminating two substances included in a radiation image of a subject without performing imaging by changing radiation energy, a radiation imaging system includes a detector including a plurality of pixels which obtain pixel values corresponding to incident radiation transmitted through a subject, and an information processing unit configured to perform a process of estimating information on thicknesses and densities of substances included in the subject by performing a calculation using pixel values of an arbitrary one of the plurality of pixels and an average value of energy of radiation quanta of the arbitrary pixel calculated in accordance with the pixel values of the arbitrary pixel.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: July 14, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yoshihito Machida, Takeshi Noda
  • Patent number: 10677938
    Abstract: An X-ray detection device is a device detecting X-rays having transmitted through a test subject, and comprises a filter member including a filter that attenuates some of X-rays, a detector that detects the X-rays partially attenuated by the filter, and a housing that places the detector therein. The housing includes a principal surface including a slit capable of going through the X-rays, and a side surface including an opening which extends in the direction orthogonal to the principal surface and through which the filter can be inserted. The filter of the filter member is disposed in the housing so as to cover a line sensor of the detector and a scintillator in a state of being apart from the detector.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: June 9, 2020
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventor: Tatsuya Onishi
  • Patent number: 10591426
    Abstract: Apparatus including an electrically conductive housing, an electrically non-conducting pipe carrying the slurry through the housing, one or more primary coils each encircling the pipe within the housing and having a capacitor unit coupled thereto with a capacitor unit value chosen so that a primary coil series resonance is formed close to the value of a target magnetic resonance frequency, and for each primary coil, a drive coil and associated electrical network positioned to magnetically couple the drive coil to that primary coil. An impedance monitor coupled to each electrical network measures a complex input impedance thereof. An RF transmitter transmits a signal to one or more of the electrical networks with a frequency approximately equal to the target magnetic resonance frequency, and an RF receiver receives from each electrical network magnetic resonance signals from the target and forms an output signal of detected signals.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: March 17, 2020
    Assignee: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
    Inventors: David Geoffrey Miljak, Peter John Coghill, Jochen Lehmann-Horn, Bojan Lovric, Richard Yong
  • Patent number: 10533955
    Abstract: A method for use in measuring a composition of a multiphase fluid which includes flowing a multiphase fluid through a fluid flow path defined by a wall of a fluid conduit is disclosed. The wall includes an electrically non-conductive material. The method includes establishing an electromagnetic field which extends through the electrically non-conductive material of the wall of the fluid conduit into the fluid and measuring a property of the electromagnetic field over a measurement time period. The method also includes transmitting additional energy through the fluid over the measurement time period independently of the electromagnetic field and measuring the additional energy transmitted through the fluid over the measurement time period. The method may be used to unambiguously determine a composition of a multiphase fluid which has different components.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: January 14, 2020
    Assignee: M-Flow Technologies Ltd
    Inventors: Alan Parker, Giles Edward, Arnault Tremolet, Alex Wall-Clarke
  • Patent number: 10470705
    Abstract: A system and a method of using dual-energy absoptiometry to estimate visceral fat metrics and display results, preferably as related to normative data. The process involves deriving x-ray measurements for respective pixel positions related to a two-dimensional projection image of a body slice containing visceral fat as well as subcutaneous fat; at least some of the measurements being dual-energy x-ray measurements, processing the measurements to derive estimates of metrics related to the visceral fat in the slice; and using the resulting estimates.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: November 12, 2019
    Assignee: HOLOGIC, INC.
    Inventors: Thomas Kelly, Kevin E. Wilson, Christopher Ruth
  • Patent number: 10395367
    Abstract: A magnetic resonance imaging apparatus according to embodiments includes processing circuitry. The processing circuitry is configured to detect, defining at least either intervertebral discs or vertebral bodies as target regions, target region information indicative of a position and a direction of each target region for each of a plurality of target regions included in a spine of a subject based on an image in which the spine is imaged; select target regions of imaging subjects out of the target regions based on the target region information; and cause a display to display, regarding the target regions, information representing imaging areas that concern the target regions of imaging subjects and information representing imaging areas that concern other target regions in different display forms.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: August 27, 2019
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Kensuke Shinoda, Yasuo Sakurai, Yuichi Yamashita
  • Patent number: 10368828
    Abstract: Systems and methods for performing remote diagnostic imaging. One system includes a stand-alone imaging station including a first housing module and a diagnostic imaging device. The diagnostic imaging device is contained within the first housing module and includes a radiation source and a radiation detector. The imaging station also includes a door and a device. The door is coupled to the first housing module and configured to allow a patient to enter the first housing module. The device is configured to receive payment information for a diagnostic imaging procedure performed using the diagnostic imaging device. The device may be magnetic stripe reader, a bill pay unit, a user identification card dispenser, or a scanner.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: August 6, 2019
    Assignee: MERGE HEALTHCARE INCORPORATED
    Inventor: Michael W. Ferro, Jr.
  • Patent number: 10299749
    Abstract: An irradiation condition setting section 52 sets irradiation conditions corresponding to the emission angle of radiation emitted from a radiation source 26. The radiation source 26 emits radiation to a breast at a plurality of different emission angles based on the set irradiation conditions. A radiation detector 36 generates a plurality of projection images corresponding to the plurality of emission angles. An image correction section 56 corrects each projection image such that a difference between at least either contrasts or density values in the plurality of projection images is reduced. A reconstruction unit 58 reconstructs a tomographic image based on the plurality of corrected projection images.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: May 28, 2019
    Assignee: FUJIFILM CORPORATION
    Inventors: Wataru Fukuda, Takao Kuwabara
  • Patent number: 10231663
    Abstract: An image display control apparatus includes: an image obtaining unit that obtains an image of a backbone region that includes at least a portion of the backbone of a subject; an emphasized display target region specifying unit that specifies an emphasized display target region within the backbone region based on the image; a bone metastasis region specifying unit that specifies an osteolytic metastasis region included in the backbone region; and a display control unit that causes images to be displayed by a display unit. The display control unit displays an osteolytic metastasis region that belongs within the emphasized display target region with a greater degree of emphasis than an osteolytic metastasis region outside the emphasized display target region.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: March 19, 2019
    Assignee: FUJIFILM Corporation
    Inventor: Takatoshi Karino
  • Patent number: 10201317
    Abstract: A system for detecting lymphedema comprising a dual energy x-ray absorptiometry system and one or more spacer pads disposed within a field of view of the dual energy x-ray absorptiometry system. The dual energy x-ray absorptiometry system comprises an x-ray source and a patient support platform, wherein the patient support platform is configured to receive a patient in a supine position with the x-ray source disposed above the patient support platform. The one or more spacer pads are configured to be positioned between body parts of the patient.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: February 12, 2019
    Assignee: HOLOGIC, INC.
    Inventors: Kevin Wilson, Thomas L. Kelly
  • Patent number: 9945714
    Abstract: A method of determining the mass of an object by scanning the object in a radiographic inspection system, specifically in an X-ray scanner with the capability to take scan images at a plural number J of energy leves, has three modes or parts, namely: an initial learning mode, a normal operating mode, and a learning improvement mode. An inintial learning mode in which refernce object are scanned and their actual masses weighed and stored as reference values. A normal operating mode wherein smaple objects with unknown mass m are scanned and analyzed for compatibility with the reference values, and if found incompatible, the method switches to the learning improvement mode. A learning improvement mode in which the actual mass of the sample object found incompatible is determined by weighing and updates the stored reference values.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: April 17, 2018
    Assignee: Mettler-Toledo, LLC
    Inventor: Norbert Hartwig
  • Patent number: 9936932
    Abstract: An X-ray imaging apparatus can include an X-ray detector configured to acquire X-ray data by detecting X-rays and an image processor configured to segment a first image generated based on the acquired X-ray data into two or more segmentation regions, to identify one or more materials present in one segmentation region of the two or more segmentation regions, and to acquire an image relating to an object which includes abnormal materials.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: April 10, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seokmin Han, Dong-Goo Kang, Young Hun Sung
  • Patent number: 9848818
    Abstract: A system and method for the use of the results from a structural analysis of a patient's bone from a clinical scan, to be used clinically to manage patients in a widespread and consistent fashion.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: December 26, 2017
    Assignee: O.N.Diagnostics, LLC
    Inventors: David L. Kopperdahl, Paul Frederick Hoffmann, David Choen Lee, Garry Thomas Hayeck, Tony M. Keaveny
  • Patent number: 9795352
    Abstract: An image processing apparatus includes a storage unit which stores data of X-ray projection images generated through a angiographic imaging sequence, a generation unit which, based on the data, generates a reference time density curve concerning a reference region which is set as a blood supply region, and time density curves concerning perfusion regions which are set as a blood supplied region, a measurement unit which measures delay times for which a contrast medium reaches the perfusion regions from the reference region, from relationships between the reference time density curve and the time density curves, a calculation unit which calculates, respectively for the perfusion regions, first indices expressing correlations of the time density curves to the reference time density curve within a period determined on the basis of the delay times, and a first image generation unit which generates a first image expressing spatial distribution of the first indices.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: October 24, 2017
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Takuya Sakaguchi, Takashi Ichihara, Masanori Matsumoto
  • Patent number: 9795148
    Abstract: A meat inspection and sorting line comprising supply means, a radiation inspection facility, a cutting facility and a reject facility. Meat parts are brought together and fed into the radiation inspection facility by means of a conveyor in a layer of meat parts. An undesired object is detected by the radiation inspection facility by means of e.g. an X-ray technique and a part of the layer of meat parts containing the undesired object is identified and separated from the layer of meat parts by the cutting facility. The identified and separated part of the layer of meat parts containing the undesired object is rejected by the reject facility from the layer of meat parts.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: October 24, 2017
    Assignee: MAREL ICELAND EHF
    Inventors: Árni Sigurdsson, Hrafnkell Eiriksson
  • Patent number: 9662079
    Abstract: Methods and apparatus for imaging with detectors having moving heads are provided. One apparatus includes a gantry and a plurality of detector units mounted to the gantry. At least some of the plurality of detector units are movable relative to the gantry to position one or more of the detector units with respect to a subject. The detector units are movable along parallel axes with respect to each other.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: May 30, 2017
    Assignee: General Electric Company
    Inventors: Tzachi Rafaeli, Yaron Hefetz
  • Patent number: 9625273
    Abstract: A thickness measurement apparatus and method to measure an object to be inspected. The thickness measurement apparatus includes: an ultrasonic wave transmission/reception device that receives/transmits an ultrasonic wave to/from a wall of a pipe to be inspected, covered with a heat insulation material; a support device that supports the ultrasonic wave transmission/reception device from an outer surface of the pipe to be inspected; a thickness calculation device that measures a propagation time of the ultrasonic wave received/transmitted by the ultrasonic wave transmission/reception device, and calculates thickness of the pipe to be inspected; a calibration board with a predetermined thickness greater than a thickness of a dead zone of the ultrasonic wave transmission/reception device; and a calibration board adjustment device that moves the calibration board toward and away from a gap between the ultrasonic wave transmission/reception device and the outer surface of the pipe to be inspected.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: April 18, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hidehiko Kuroda, Yoshihiro Yamashita, Akio Sumita
  • Patent number: 9606091
    Abstract: Embodiments of the invention relate to methods of modeling leaching behavior of a polycrystalline diamond (“PCD”) material used in leached polycrystalline diamond compacts (“PDCs”) and methods of monitoring leaching of a PCD material. In an embodiment, a method of modeling leaching behavior is disclosed. A PCD table is provided, which includes a plurality of bonded diamond grains defining a plurality of interstitial regions in which a metallic material is disposed. The PCD table is leached with a leaching agent to at least partially remove the metallic material from the PCD table. A leach depth of the PCD table is determined. A concentration of at least one constituent of the leaching agent is also determined. The leach depth is correlated with the concentration of the at least one metal to generate the model of leaching behavior.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: March 28, 2017
    Assignee: US SYNTHETIC CORPORATION
    Inventors: Julie Ann Kidd, Michael A. Vail
  • Patent number: 9500764
    Abstract: The present disclosure discloses a scanning imaging system, comprising a transportation apparatus, a first imaging system, and a second imaging system. A distance between a ray beam from a first ray generator of the first imaging system and a ray beam from a second ray generator of the second imaging system in the transportation direction is roughly L. A controller is configured to acquire, based on a count value of the encoding counter module, a correspondence relationship between data in a position of the inspected object in the transportation direction which is collected by the first imaging system and data in the position of the inspected object in the transportation direction which is collected by the second imaging system, wherein a difference between a count value of the encoder corresponding to the data in the position which is collected by the first imaging system and a count value of the encoder corresponding to the data in the position which is collected by the second imaging system is roughly L/D.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: November 22, 2016
    Assignee: Nuctech Company Limited
    Inventors: Li Zhang, Jinyu Zhang, Qingping Huang, Hu Tang, Hui Ding, Qianlu Ren
  • Patent number: 9480447
    Abstract: Grating interferometer comprising inclined phase grating structures, method for increasing the definition of phase contrast images of interferometers or in applications which are based on the Talbot effect, using inclined phase grating structures, phase gratings wherein the grating structures are positioned at angles on the substrate of the phase grating, method for producing grating structures which are positioned at angles on the substrate of the phase grating, and corresponding uses.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: November 1, 2016
    Assignee: KARLSRUHER INSTITUT FUER TECHNOLOGIE
    Inventors: Juergen Mohr, Franz Pfeiffer, Elena Reznikova, Vladimir Nazmov
  • Patent number: 9427202
    Abstract: An arithmetic processor for measuring bone density using a correspondence relationship between a luminance value of transmitted radiation and a thickness of a reference material is provided. The luminance value is obtained by applying radiation, which is emitted from a radiation source upon application of a tube voltage to the radiation source, to the reference material having different thicknesses and detecting the radiation transmitted through the reference material. The arithmetic processor includes: a generating unit that generates, based on the detected luminance value, a luminance profile representing the correspondence relationship; a normalizing unit that generates a normalized profile by normalizing the luminance profile based on a maximum value and a minimum value in the luminance profile; and a determining unit that determines whether or not each luminance value corresponding to each thickness in the normalized profile is within a range defined in advance by the tube voltage and each thickness.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: August 30, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Kenji Yoshikawa, Takuma Okuno, Tsuyoshi Kamada
  • Patent number: 9430688
    Abstract: A system and method for multi-signal classification that classifies a signal or a variable utilizing topological data analysis (TDA) specifically, via the theory of persistent homology; and encode the persistent homology of a data set in the form of a parameterized version of a Betti number by way of a topology data function which is more generally referred to as a persistence diagram or barcode.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: August 30, 2016
    Assignee: THE BOEING COMPANY
    Inventor: Gary A. Ray
  • Patent number: 9274037
    Abstract: A method is disclosed for determining bone mineral density values of an object. In an embodiment, the method includes acquisition of first two-dimensional projection overview image data of the object to be examined in an image detail with a first X-ray energy; acquisition of at least second two-dimensional projection overview image data of the object to be examined in an image detail with at least one different second X-ray energy; determining a bone overview image data record using the first and second projection overview image data; determining at least one specific evaluation region of the image detail using the bone overview image data record; and determining a bone mineral density value for the specific evaluation region of the image detail using the image data of the bone overview image data record in the specific evaluation region. A computerized tomography system for implementing a method is also disclosed.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: March 1, 2016
    Assignee: Siemens Aktiengesellschaft
    Inventors: Kerstin Huwer, Bernhard Krauβ, Michael Scheuering
  • Patent number: 9265472
    Abstract: Methods, systems, services (Internet), computer programs and circuits provide rapid bone mineral density (BMD) measurements and/or osteoporosis information using an automated image analysis circuit that evaluates a hand X-ray of a patient from an X-ray device to generate a reliable bone density evaluation within about 15 minutes, typically within about 5 minutes with receipt of a hand X-ray, and more typically substantially instantaneous and under 1 minute. The automated image analysis circuit can reside on a remote preliminary review server.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: February 23, 2016
    Assignee: Sectra AB
    Inventors: Johan Kälvesten, Jakob Algulin
  • Patent number: 9241634
    Abstract: A computer-implemented method is provided for anatomically indexing a subject. The method includes: receiving image scan data representing a volume of a subject, where the image scan data is comprised of a plurality of image slices of the subject and includes at least a portion of a vertebral column of the subject; identifying the vertebral canal of the vertebral column of the subject in the image scan data; determining a plurality of markers for the vertebral column, where each marker is indicative of a different vertebral body of the vertebral column and includes its location in the image scan data defined in a coordinate system, such that the plurality of markers define a vertebral level coordinate system; and storing each marker along with its location in a database. The markers can subsequently be used to reference other anatomical components of the subject across different image scans.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: January 26, 2016
    Assignee: The Regents Of The University Of Michigan
    Inventors: Stewart Wang, Sven Alan Holcombe, Hannu Huhdanpaa, June Sullivan, Carla Kohoyda-Inglis
  • Patent number: 9211100
    Abstract: Devices, tools, systems and methods for X-ray bone density measurement and imaging for radiography, fluoroscopy and related procedures. Portable, efficient peripheral bone density measurement and/or high resolution imaging and/or small field digital radiography of bone and other tissue, including tissue in the peripheral skeletal system, such as the arm, forearm, leg, hand and/or foot.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: December 15, 2015
    Inventor: George W. Ma
  • Patent number: 9153012
    Abstract: When correcting for artifacts on an attenuation map caused by an artifact source in a computed tomography image, nuclear images are reconstructed two or more times, each time using a different correction technique or uncorrected attenuation data. Corresponding voxels in the reconstructed images are compared to identify local areas that change, i.e., are fragile and therefore low-confidence, and areas that do not vary or exhibit little variance among the plurality of reconstructed images and are thus accorded a higher confidence. The reconstructed nuclear image is overlaid with color encoding indicative of the amount of confidence accorded to each voxel value obtained by attenuation-corrected tomographic reconstruction.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: October 6, 2015
    Assignee: Koninklijke Philips N.V.
    Inventors: Joerg Bredno, Sven Prevrhal, Eberhard Sevastian Hansis, David Sowards-Emmerd
  • Patent number: 8989346
    Abstract: From radiation images obtained by driving radiation tube with a plurality of tube voltages, including a normal tube voltage, a density gradient with respect to at least two sections of a reference substance having different radiation transmission characteristics is obtained for each of the plurality of tube voltages prior to obtaining a bone mineral density. If a radiation image captured for obtaining a bone mineral density is determined to have been captured under a tube voltage other than the normal tube voltage, an image signal representing the image and/or a bone mineral density analysis result is corrected so as to correspond to that which should have been obtained if the image had been captured under the normal tube voltage based on the relationship between the density gradient in the image and the density gradient in the radiation image captured under the normal tube voltage.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: March 24, 2015
    Assignee: FUJIFILM Corporation
    Inventor: Kenji Yoshikawa
  • Patent number: 8989345
    Abstract: Disclosed are a method for evaluating a local density profile in a carbon/carbon material and a method for producing a standard density test block capable of quantitatively evaluating the density profile in the carbon/carbon material, wherein the method for evaluating the density profile includes a first step of preparing a standard density test block to be inserted in the carbon/carbon material, wherein the standard density test block is produced by using the same type of material as the carbon/carbon material and thereafter inserted in the carbon/carbon material, a second step of radiating X-rays onto the carbon/carbon material having the standard density test block inserted so as to obtain and correct computed tomographic image, and a third step of measuring a physical density by use of a linear attenuation coefficient of the computed tomographic image, whereby the local density profile can accurately be evaluated by use of a nondestructive testing and additionally such method can be utilized as an excelle
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: March 24, 2015
    Assignee: Agency for Defense Development
    Inventors: Dong Ryun Kim, Nam Gyun Yun
  • Publication number: 20150063528
    Abstract: Disclosed herein are an X-ray imaging apparatus and a method for controlling the same. The X-ray imaging apparatus includes an X-ray generator configured to radiate first-energy X-rays toward an object, an X-ray detector configured to detect the first-energy X-rays which propagate through the object, an image processor configured to generate a first object image which correspond to the detected first-energy X-rays and to estimate a second object image which corresponds to second-energy X-rays based on the generated first object image, and a controller configured to control the image processor to repeatedly estimate the second object image by controlling the X-ray generator to repeatedly radiate the first-energy X-rays toward the object.
    Type: Application
    Filed: August 6, 2014
    Publication date: March 5, 2015
    Applicants: SAMSUNG LIFE PUBLIC WELFARE FOUNDATION., SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seok Min HAN, Dong Goo KANG, Sung Hoon KANG, Young Hun SUNG, Myung Jin CHUNG
  • Patent number: 8954292
    Abstract: A system for locating and tracking an object is provided. The system includes a measuring device configured to determine a property of a paving-related material, a locating device configured to determine a location of the measuring device, a tracking system configured to store tracking information associated with the measuring device and one or more properties determined by the measuring device, and a communications system configured to transfer, to a remote device, the location of the measuring device and the tracking information associated with the measuring device.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: February 10, 2015
    Assignee: Troxler Electronic Laboratories, Inc.
    Inventor: Robert Ernest Troxler
  • Patent number: 8934607
    Abstract: In accordance with an embodiment, a measuring apparatus includes an electromagnetic wave applying unit, a detecting unit, a data processing unit, a film structure transforming unit, and a film structure measuring unit. The electromagnetic wave applying unit generates electromagnetic waves to apply it to a periodic structure of films on a substrate. The detecting unit detects the electromagnetic waves scattered or reflected by the substrate. The data processing unit calculates a surface shape of the periodic structure. The film structure transforming unit calculates a virtual film structure regarding the internal structure of the periodic structure. The film structure measuring unit calculates the thickness of each layer constituting the periodic structure by fitting a first reflectance profile by actual measurement regarding the periodic structure to a second reflectance profile obtained by a simulation using the virtual film structure to restructure the shape of the periodic structure.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: January 13, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Yasuhiko Ishibashi
  • Patent number: 8929678
    Abstract: A method is provided for automatic contour filter positioning for medical X-ray imaging in an X-ray apparatus comprising a collimator and at least one movable contour filter actuated by a motor based positioning subsystem, wherein a digital image in a frame of rows and columns of pixels is rendered for processing and obtaining control data for applying a contour filter. The method comprises identifying exposure of subareas, preparing for filter positioning, and defining filter position.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: January 6, 2015
    Assignee: General Electric Company
    Inventor: Tamás Újvári
  • Publication number: 20140355735
    Abstract: Disclosed herein are an X-ray imaging apparatus capable of reducing a dose of radiation, and a control method thereof. The X-ray imaging apparatus includes: a gantry configured to rotate around an object, the object being placed on a table that is configured to be transported into a bore; a depth camera provided on the gantry, the depth camera configured to acquire a depth image of the object; an image processor configured to acquire thickness information of the object from the depth image of the object; and a controller configured to set a dose of X-rays to be irradiated to the object according to the thickness information of the object.
    Type: Application
    Filed: April 29, 2014
    Publication date: December 4, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Young CHOI, Jong Ha LEE, Young Hun SUNG, Kwang Eun JANG
  • Patent number: 8880143
    Abstract: The present invention relates to a method for estimating the Bone Mineral Density (BMD) using image data collected in emergency situation, i.e. without following specific protocols. In particular, the invention discloses a method for assessing the risk of bone fractures using as one indicator a BMD of one or more bones. The BMD is calculated using a universal constant which provides a value of BMD having a certain error in respect to its true value. However this error does not substantially affect the assessment of the risk of fracture of one or more bones.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: November 4, 2014
    Assignee: Sectra Imtec AB
    Inventors: Johan Kalvesten, Jakob Algulin
  • Patent number: 8873701
    Abstract: A water-soluble salt of a metal with a high atomic weight is selected as an X-ray contrast substance providing a selective ion-exchange reaction with a component. The salt has a general formula R+M?, where R+ is selected from a group consisting of Ba2+; Sr2+; Tl+; Rb+ . . . , and M? is selected from a group consisting of Cln; NOn; OHn; CH3COO, SO4; . . . in accordance with a standard table of inorganic substances' water solubility. The X-ray contrast substance is injected into a sample of a porous material. Upon completion of the selective ion exchange reaction a non-contrast displacing agent is injected into the sample. The sample is scanned by computer X-ray microtomography and spatial distribution and concentration of the component in question is estimated by analysis of the obtained computer tomographic image of the sample.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: October 28, 2014
    Assignee: Schlumberger Technology Corporation
    Inventors: Dmitry Mikhailov, Alexander Nadeev, Vadim Khlebnikov, Pavel Zobov
  • Patent number: 8855264
    Abstract: A method for estimating effective atomic number and bulk density of objects, such as rock samples or well cores, using X-ray computed tomographic imaging techniques is provided. The method effectively compensates for errors in the interpretation of CT scan data and produces bulk densities which have lower residual error compared to actual bulk densities and produces bulk density—effective atomic number trends which are consistent with physical observations.
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: October 7, 2014
    Assignee: Ingrain, Inc.
    Inventor: Naum Derzhi
  • Publication number: 20140219419
    Abstract: A method for monitoring objects for example for facilitating the identification and/or authentication of objects comprises: in a first recording phase: irradiating an object with a suitable source of radiation, collecting intensity information about radiation emergent from the object, resolving the intensity information spectroscopically between at least two energy bands, and storing the resultant dataset as a reference dataset; and in a second verification phase: irradiating an object with a suitable source of radiation, collecting intensity information about radiation emergent from the object, resolving the intensity information spectroscopically between at least two energy bands, and using the resultant dataset as a test dataset; identifying the object and retrieving its corresponding reference dataset; comparing the test dataset and the reference dataset within predetermined tolerance limits, and: in the event that the reference dataset and the test dataset correspond within the predetermined tolerance li
    Type: Application
    Filed: August 1, 2012
    Publication date: August 7, 2014
    Inventors: Ian Radley, Ben Cantwell, David Edward Joyce, Paul Scott
  • Patent number: 8792611
    Abstract: A nuclear density gauge has an elongated transmission chamber adjacent to an elongated source chamber so that they can both be installed through a single nozzle on a high pressure vessel, making an airtight seal with the nozzle. The shape and position of the source chamber allows the positioning of a radiant energy source inside the vessel, a distance from one end of the transmission chamber. The radiation emitted by the radiant energy source travels through contents of the high pressure vessel and then through the elongated transmission chamber to a detector. The method of use of the gauge or multiple gauges, and the adaptation of vessels for such gauges, are also disclosed.
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: July 29, 2014
    Assignee: Ohmart Corporation (The)
    Inventor: Bonaventure Cahill
  • Publication number: 20140146941
    Abstract: Measurement accuracy during determination of the thickness of rolling stock, in particular a rolling strip or a metal plate, is remotely measured using a base measurement value for the thickness obtained by a radiation measurement system having a radiation source and a radiation detector, both carried by a holding mechanism. A reference measurement value for the thickness is measured by an ultrasonic measurement head that is likewise arranged on the holding mechanism. The reference measurement value is used to eliminate the influence of errors on the base measurement value.
    Type: Application
    Filed: May 4, 2012
    Publication date: May 29, 2014
    Applicant: SIEMENS AKTIENGESELLSCHAFT
    Inventor: Andreas Maierhofer
  • Publication number: 20140126693
    Abstract: A method identifying a material, includes: measuring an electromagnetic radiation spectrum emitted through the material; determining at least one measurement energy band, and spectral coefficients of a comparison function in the measurement band, using the measured spectrum; estimating, using the determined spectral coefficients, a nature and/or thickness of the material based on a set of reference spectral parameters relating to reference materials and/or thicknesses and defined in reference bands.
    Type: Application
    Filed: June 29, 2012
    Publication date: May 8, 2014
    Applicant: Commissariat a l'energie atomique et aux ene alt
    Inventors: Guillaume Beldjoudi, Veronique Rebuffel, Jean Rinkel
  • Publication number: 20140119506
    Abstract: An apparatus and method for acquiring an optimal MEX image may include an X-ray source to generate an X-ray and to irradiate the X-ray, an energy identification detector to acquire a MEX image that is generated when the irradiated X-ray penetrates an object, and an optimal MEX processor to generate an optimal MEX parameter based on a characteristic of the object and to control at least one of the X-ray source and the energy identification detector based on the generated optimal MEX parameter.
    Type: Application
    Filed: March 18, 2013
    Publication date: May 1, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Goo KANG, Sung Hoon KANG, Sung Su KIM, Young Hun SUNG, Hyun Hwa OH, Seok Min HAN
  • Publication number: 20140064444
    Abstract: The X-ray imaging device includes an X-ray generator to generate an X-ray and radiate the X-ray to an object, an X-ray detector to detect the X-ray passing through the object and acquire an image signal of the object, and a controller to analyze the image signal of the object, evaluate a characteristic of the object and generate at least one of a single energy X-ray image and a multiple energy X-ray image according to the evaluated characteristic.
    Type: Application
    Filed: September 4, 2013
    Publication date: March 6, 2014
    Applicants: SAMSUNG LIFE PUBLIC WELFARE FOUNDATION, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Hwa OH, Young Hun SUNG, Kang Eui LEE, Myung Jin CHUNG