Inventor
TAM KWOK C
US32 patents
⚠️ This page may combine multiple inventors who share the name “TAM KWOK C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN ELECTRIC
29 patentsUS5270926ADec 14, 1993
Method and apparatus for reconstructing a three-dimensional computerized tomography (CT) image of an object from incomplete cone beam projection data
GEN ELECTRIC150 citations98
US5463666AOct 31, 1995
Helical and circle scan region of interest computerized tomography
GEN ELECTRIC62 citations96
US5390112AFeb 14, 1995
Three-dimensional computerized tomography scanning method and system for imaging large objects with smaller area detectors
GEN ELECTRIC87 citations96
US5365560ANov 15, 1994
Method and apparatus for acquiring a uniform distribution of radon data sufficiently dense to constitute a complete set for exact image reconstruction of an object irradiated by a cone beam source
GEN ELECTRIC67 citations96
US5355309AOct 11, 1994
Cone beam spotlight imaging using multi-resolution area detector
GEN ELECTRIC74 citations96
US5319693AJun 7, 1994
Three dimensional computerized tomography scanning configuration for imaging large objects with smaller area detectors
GEN ELECTRIC96 citations96
US5257183AOct 26, 1993
Method and apparatus for converting cone beam X-ray projection data to planar integral and reconstructing a three-dimensional computerized tomography (CT) image of an object
GEN ELECTRIC79 citations96
US5187659AFeb 16, 1993
Cone beam scanning trajectories for three-dimensional computerized tomography data acquisition where object is larger than the field of view
GEN ELECTRIC77 citations96
US5032990AJul 16, 1991
Translate rotate scanning method for x-ray imaging
GEN ELECTRIC75 citations96
US4506327AMar 19, 1985
Limited-angle imaging using multiple energy scanning
GEN ELECTRIC62 citations96
US5504792AApr 2, 1996
Method and system for masking cone beam projection data generated from either a region of interest helical scan or a helical scan
GEN ELECTRIC23 citations92
US5461650AOct 24, 1995
Method and system for pre-processing cone beam data for reconstructing free of interpolation-induced artifacts a three dimensional computerized tomography image
GEN ELECTRIC32 citations92
US5390226AFeb 14, 1995
Method and apparatus for pre-processing cone beam projection data for exact three dimensional computer tomographic image reconstruction of a portion of an object
GEN ELECTRIC42 citations92
US5390111AFeb 14, 1995
Method and system for processing cone beam data for reconstructing free of boundary-induced artifacts a three dimensional computerized tomography image
GEN ELECTRIC34 citations92
US5341460AAug 23, 1994
Method and apparatus for producing a three-dimensional computerized tomography image of an object with improved conversion of cone beam data to radon data
GEN ELECTRIC32 citations92
US5333164AJul 26, 1994
Method and apparatus for acquiring and processing only a necessary volume of radon data consistent with the overall shape of the object for efficient three dimensional image reconstruction
GEN ELECTRIC44 citations92
US5053958AOct 1, 1991
Method to reduce image reconstruction time in limited-angle ct systems including using initial reconstruction valves for measured projection data during each iteration
GEN ELECTRIC47 citations92
US4888693ADec 19, 1989
Method to obtain object boundary information in limited-angle computerized tomography
GEN ELECTRIC47 citations92
US4866614ASep 12, 1989
Ultrasound characterization of 3-dimensional flaws
GEN ELECTRIC47 citations92
US5465283ANov 7, 1995
Method and apparatus for generating radon derivative data on a near uniformly space grid in a cone beam computerized tomography implementation
GEN ELECTRIC9 citations74
US5463721AOct 31, 1995
Method for constructing a three dimensional scanning trajectory capable of acquiring a complete set of radon data for exact image reconstruction of an object irradiated by a cone beam source
GEN ELECTRIC11 citations74
US5461651AOct 24, 1995
Reconstruction of images in cone beam scanning with rectangular detector elements
GEN ELECTRIC12 citations74
US5446776AAug 29, 1995
Tomography with generation of radon data on polar grid points
GEN ELECTRIC16 citations74
US5383119AJan 17, 1995
Method and apparatus for acquiring complete radon data for exactly reconstructing a three dimensional computerized tomography image of a portion of an object irradiated by a cone beam source
GEN ELECTRIC18 citations74
US4922421AMay 1, 1990
Flaw characterization by multiple angle inspection
GEN ELECTRIC10 citations74
US5500883AMar 19, 1996
Method and system for efficiently generating radon derivative data in a cone beam computerized tomography implementation
GEN ELECTRIC9 citations68
US5594766AJan 14, 1997
Method and apparatus for improving efficiency in computing radon derivatives for CT imaging
GEN ELECTRIC6 citations63
US5559846ASep 24, 1996
Technique for improving processor efficiency in CT imaging
GEN ELECTRIC5 citations63
US5521954AMay 28, 1996
Method and apparatus for improved accuracy in computed tomography cone-beam imaging
GEN ELECTRIC1 citations52
SIEMENS CORP RES INC
3 patentsUS6084937AJul 4, 2000
Adaptive mask boundary correction in a cone beam imaging system
SIEMENS CORP RES INC33 citations92
US5805659ASep 8, 1998
Method and apparatus for spiral scan region of interest imaging
SIEMENS CORP RES INC34 citations92
US5748697AMay 5, 1998
Method and apparatus for eliminating boundary errors in cone beam imaging
SIEMENS CORP RES INC22 citations92