Inventor
TAM KWOK
US22 patents
⚠️ This page may combine multiple inventors who share the name “TAM KWOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS CORP RES INC
19 patentsUS6130930AOct 10, 2000
Exact region of interest cone beam imaging without circle scans
SIEMENS CORP RES INC63 citations96
US6009142ADec 28, 1999
Practical cone beam image reconstruction using local regions-of-interest
SIEMENS CORP RES INC57 citations96
US5881123AMar 9, 1999
Simplified cone beam image reconstruction using 3D backprojection
SIEMENS CORP RES INC70 citations96
US6078638AJun 20, 2000
Pixel grouping for filtering cone beam detector data during 3D image reconstruction
SIEMENS CORP RES INC78 citations93
US6574297B2Jun 3, 2003
System and method for image reconstruction in a cone beam imaging system
SIEMENS CORP RES INC49 citations92
US6459756B1Oct 1, 2002
System and method for providing normalization correction for image reconstruction in a reduced pitch spiral scan cone beam computed tomography imaging system
SIEMENS CORP RES INC31 citations92
US6324245B1Nov 27, 2001
Method and apparatus for identifying and correcting image inaccuracies caused by simplified processing of masked cone beam projection data
SIEMENS CORP RES INC27 citations92
US6292525B1Sep 18, 2001
Use of Hilbert transforms to simplify image reconstruction in a spiral scan cone beam CT imaging system
SIEMENS CORP RES INC45 citations92
US6233303B1May 15, 2001
Method and apparatus for reducing X-ray dosage in a spiral scan cone beam CT imaging system
SIEMENS CORP RES INC44 citations92
US6018561AJan 25, 2000
Mask boundary correction in a cone beam imaging system using simplified filtered backprojection image reconstruction
SIEMENS CORP RES INC48 citations92
US5970111AOct 19, 1999
Fast and efficient multiprocessor implementation for exact for an exact cone beam image reconstruction
SIEMENS CORP RES INC23 citations92
US5960055ASep 28, 1999
Fast cone beam image reconstruction using a detector weight list
SIEMENS CORP RES INC45 citations92
US5926521AJul 20, 1999
Exact region of interest cone beam imaging using 3D backprojection
SIEMENS CORP RES INC52 citations92
US5901196AMay 4, 1999
Reduction of hitlist size in spiral cone beam CT by use of local radon origins
SIEMENS CORP RES INC34 citations92
US5862198AJan 19, 1999
Pre-calculated hitlist for reducing run-time processing of an exact cone beam reconstruction algorithm
SIEMENS CORP RES INC35 citations92
US6333960B1Dec 25, 2001
Exact region of interest cone beam imaging without circle scans
SIEMENS CORP RES INC14 citations74
US6330298B1Dec 11, 2001
Method and apparatus for simplifying the correction of image inaccuracies caused by processing of masked cone beam projection data
SIEMENS CORP RES INC13 citations74
US5901195AMay 4, 1999
Two-step radon inversion processing for φ-planes having local radon origins
SIEMENS CORP RES INC9 citations74
US6763081B2Jul 13, 2004
Cone beam computed tomography imaging system and method providing efficient utilization of detector area
SIEMENS CORP RES INC6 citations63
SIEMENS AG
3 patentsUS6928137B2Aug 9, 2005
Method for generating an image by means of a tomography capable X-ray device with multi-row X-ray detector array
SIEMENS AG38 citations93
US5815546ASep 29, 1998
Computed tomography apparatus for conducting spiral scan with the x-ray detector tilted relative to the system axis
SIEMENS AG13 citations74
US7257186B2Aug 14, 2007
Imaging method for a multi-slice spiral CT scan, and a computer tomography unit for carrying out this method
SIEMENS AG2 citations63