Inventor
QIAN JIANZHONG
US67 patents
⚠️ This page may combine multiple inventors who share the name “QIAN JIANZHONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS CORP RES INC
31 patentsUS5699799ADec 23, 1997
Automatic determination of the curved axis of a 3-D tube-shaped object in image volume
SIEMENS CORP RES INC272 citations99
US5771318AJun 23, 1998
Adaptive edge-preserving smoothing filter
SIEMENS CORP RES INC124 citations98
US6697506B1Feb 24, 2004
Mark-free computer-assisted diagnosis method and system for assisting diagnosis of abnormalities in digital medical images using diagnosis based image enhancement
SIEMENS CORP RES INC110 citations96
US6674883B1Jan 6, 2004
System and method for the detection of anatomic landmarks for total hip replacement
SIEMENS CORP RES INC56 citations96
US6609021B1Aug 19, 2003
Pulmonary nodule detection using cartwheel projection analysis
SIEMENS CORP RES INC55 citations96
US6320976B1Nov 20, 2001
Computer-assisted diagnosis method and system for automatically determining diagnostic saliency of digital images
SIEMENS CORP RES INC108 citations96
US5835618ANov 10, 1998
Uniform and non-uniform dynamic range remapping for optimum image display
SIEMENS CORP RES INC83 citations96
US6101238AAug 8, 2000
System for generating a compound x-ray image for diagnosis
SIEMENS CORP RES INC85 citations95
US6055295AApr 25, 2000
Method and apparatus for automatic collimation in x-ray peripheral imaging
SIEMENS CORP RES INC85 citations95
US6052476AApr 18, 2000
Method and apparatus for controlling x-ray angiographic image acquistion
SIEMENS CORP RES INC61 citations95
US6944330B2Sep 13, 2005
Interactive computer-aided diagnosis method and system for assisting diagnosis of lung nodules in digital volumetric medical images
SIEMENS CORP RES INC46 citations93
US6738063B2May 18, 2004
Object-correspondence identification without full volume registration
SIEMENS CORP RES INC32 citations93
US6608917B1Aug 19, 2003
Detection of vertebra endplates in digital radiography
SIEMENS CORP RES INC40 citations93
US6608916B1Aug 19, 2003
Automatic detection of spine axis and spine boundary in digital radiography
SIEMENS CORP RES INC50 citations93
US7190843B2Mar 13, 2007
Integrated approach to brightness and contrast normalization in appearance-based object detection
SIEMENS CORP RES INC33 citations92
US6993174B2Jan 31, 2006
Real time interactive segmentation of pulmonary nodules with control parameters
SIEMENS CORP RES INC25 citations92
US6567765B1May 20, 2003
Evaluation system and method for fingerprint verification
SIEMENS CORP RES INC40 citations92
US6453058B1Sep 17, 2002
Computer-assisted diagnosis method using correspondence checking and change detection of salient features in digital images
SIEMENS CORP RES INC45 citations92
US6195450B1Feb 27, 2001
Methods and apparatus for controlling X-ray angiographic image acquisition
SIEMENS CORP RES INC33 citations91
US6983063B1Jan 3, 2006
Computer-aided diagnosis method for aiding diagnosis of three dimensional digital image data
SIEMENS CORP RES INC37 citations90
US6473636B1Oct 29, 2002
Variable-length correlation method for motion correction in SPECT myocardial perfusion imaging
SIEMENS CORP RES INC22 citations89
US5833607ANov 10, 1998
Automatic full-leg mosaic and display for peripheral angiography
SIEMENS CORP RES INC44 citations89
US7296239B2Nov 13, 2007
System GUI for identification and synchronized display of object-correspondence in CT volume image sets
SIEMENS CORP RES INC16 citations84
US7203349B2Apr 10, 2007
Bronchial wall thickening recognition for reduced false-positives in pulmonary nodule detection
SIEMENS CORP RES INC12 citations84
US7020316B2Mar 28, 2006
Vessel-feeding pulmonary nodule detection by volume projection analysis
SIEMENS CORP RES INC17 citations84
US6917826B2Jul 12, 2005
Automatic and quantitative assessment of image quality in SPECT myocardial perfusion imaging
SIEMENS CORP RES INC15 citations84
US6065475AMay 23, 2000
Automatic localization of the heart from a reconstructed volume and automatic selection of a most suitable representative transverse slice for defining a left ventricle oblique axis in myocardial spect study
SIEMENS CORP RES INC16 citations84
US6724924B1Apr 20, 2004
Brightness and contrast invariant detection of vertebra pedicles
SIEMENS CORP RES INC7 citations73
US5682887ANov 4, 1997
Determining the position range of the heart from a sequence of projection images using 1-D pseudo motion analysis
SIEMENS CORP RES INC10 citations71
US6757418B2Jun 29, 2004
Method and system for automatic computed radiography (CR) image composition by white band detection and consistency rechecking
SIEMENS CORP RES INC9 citations70
US7010151B2Mar 7, 2006
Endplate detection in digital radiography by dynamic programming using both local and global constraints
SIEMENS CORP RES INC3 citations62
EDDA TECHNOLOGY INC
10 patentsUS10679417B2Jun 9, 2020
Method and system for surgical planning in a mixed reality environment
EDDA TECHNOLOGY INC23 citations92
US11989833B2May 21, 2024
Method and system of model fusion for laparoscopic surgical guidance
EDDA TECHNOLOGY INC4 citations74
US7840044B2Nov 23, 2010
Method and system for liver lobe segmentation and pre-operative surgical planning
EDDA TECHNOLOGY INC7 citations74
US10499992B2Dec 10, 2019
Method and system for estimating a deflated lung shape for video assisted thoracic surgery in augmented and mixed reality
EDDA TECHNOLOGY INC4 citations73
US9972081B2May 15, 2018
Method and system for estimating a deflated lung shape for video assisted thoracic surgery
EDDA TECHNOLOGY INC2 citations73
US11292132B2Apr 5, 2022
Robot path planning method with static and dynamic collision avoidance in an uncertain environment
EDDA TECHNOLOGY INC3 citations72
US12325136B2Jun 10, 2025
Deterministic robot path planning method for obstacle avoidance
EDDA TECHNOLOGY INC1 citations62
US11900541B2Feb 13, 2024
Method and system of depth determination with closed form solution in model fusion for laparoscopic surgical guidance
EDDA TECHNOLOGY INC1 citations62
US11264139B2Mar 1, 2022
Method and system for adjusting interactive 3D treatment zone for percutaneous treatment
EDDA TECHNOLOGY INC1 citations62
US10201389B2Feb 12, 2019
Method and system for interactive grid placement and measurements for lesion removal
EDDA TECHNOLOGY INC1 citations62
SIEMENS MEDICAL SYSTEMS INC
5 patentsUS5381791AJan 17, 1995
Automatic indentification of anatomical features of interest from data acquired in nuclear medicine studies and automatic positioning of scintillation cameras to carry out such studies at optimal positions
SIEMENS MEDICAL SYSTEMS INC99 citations96
US5421331AJun 6, 1995
Automatic identification of the long axis of the left ventricle from nuclear medicine spect data for use in myocardial perufsion studies
SIEMENS MEDICAL SYSTEMS INC37 citations92
US5758645AJun 2, 1998
Automatic detection and correction of body organ motion and particularly cardiac motion in nuclear medicine studies
SIEMENS MEDICAL SYSTEMS INC8 citations74
US5429135AJul 4, 1995
Determining the depth of an organ which is the subject of a nuclear medicine study using only planar image data
SIEMENS MEDICAL SYSTEMS INC17 citations71
US5462056AOct 31, 1995
High-sensitivity spect imaging of small body organs using a multi-headscintillation camera with non-uniform collimation
SIEMENS MEDICAL SYSTEMS INC16 citations69
QIAN JIANZHONG
2 patentsWEI GUO QING
1 patentFAN LI
1 patentShowing the top 50 of 67 patents by PatentIndex Score.