Patents by Inventor Derek W. Austin

Derek W. Austin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Modeling of the point-spread-function in single-pinhole and multi-pinhole spect reconstruction
    Patent number: 8389943
    Abstract: A system and method for reconstructing single photon emission computed tomography data acquired with a pinhole collimator includes sub-dividing each voxel in the imaging target object space into sub-voxels and sub-dividing each of the detector bins in the gamma camera detector into sub-bins, connecting the centers of each of the sub-voxels to each of the detector sub-bins through a pinhole provided in the pinhole collimator by ray tracing and for each ray connecting the centers of each of the sub-voxels to each of the detector sub-bins, the transmission probability is calculated by analytically solving the intersections between the ray and the pinhole surfaces. Then, a geometric-response-function of the pinhole collimator is computed which is then convolved with the intrinsic-response-function of the detector to obtain the PSF.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: March 5, 2013
    Assignee: Siemens Medical Solutions USA, Inc.
    Inventors: Derek W. Austin, Mu Chen, Bing Feng, Robert A. Mintzer, Anne M. Smith
  • Magnetically retained interchangeable collimators for scintillation cameras
    Patent number: 7759648
    Abstract: A grid suitable for being positioned and held in relation to a detector has positive positioning means and at least one magnet for holding the grid.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: July 20, 2010
    Assignee: Siemens Medical Solutions USA, Inc.
    Inventors: Robert A. Mintzer, Stefan B. Siegel, Derek W. Austin, Casey Barrett Holbrook
  • MODELING OF THE POINT-SPREAD-FUNCTION IN SINGLE-PINHOLE AND MULTI-PINHOLE SPECT RECONSTRUCTION
    Publication number: 20100080339
    Abstract: A system and method for reconstructing single photon emission computed tomography data acquired with a pinhole collimator includes sub-dividing each voxel in the imaging target object space into sub-voxels and sub-dividing each of the detector bins in the gamma camera detector into sub-bins, connecting the centers of each of the sub-voxels to each of the detector sub-bins through a pinhole provided in the pinhole collimator by ray tracing and for each ray connecting the centers of each of the sub-voxels to each of the detector sub-bins, the transmission probability is calculated by analytically solving the intersections between the ray and the pinhole surfaces. Then, a geometric-response-function of the pinhole collimator is computed which is then convolved with the intrinsic-response-function of the detector to obtain the PSF.
    Type: Application
    Filed: September 28, 2009
    Publication date: April 1, 2010
    Applicant: Siemens Medical Solutions USA, Inc.
    Inventors: Derek W. Austin, Mu Chen, Bing Feng, Robert A. Mintzer, Anne Smith
  • Magnetically retained Interchangeable Collimators for Scintillation Cameras
    Publication number: 20090072149
    Abstract: A grid suitable for being positioned and held in relation to a detector has positive positioning means and at least one magnet for holding the grid.
    Type: Application
    Filed: September 12, 2008
    Publication date: March 19, 2009
    Applicant: Siemens Medical Solutions USA, Inc.
    Inventors: Robert A. Mintzer, Stefan B. Siegel, Derek W. Austin, Casey Barrett Holbrook