ClassID:

172181

G01R33/56563 - page 2 - CPC Classification

Classification description:

Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]; NMR imaging systems; Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console; Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution; Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0

Recent Application in this class:
#301
20100301859
2010-12-02

Method and apparatus for correcting B-inhomogeneities in nuclear magnetic resonance imaging

#302
20100272336
2010-10-28

Magnetic resonance imaging apparatus

#303
20100268061
2010-10-21

Magnetic resonance method and apparatus using dual echoes for data acquisition

#304
20100253334
2010-10-07

Magnetic resonance system with cooling system and monitoring of helium pressure

#305
20100244823
2010-09-30

Magnetic resonance imaging apparatus and method

#306
20100240984
2010-09-23

Method of performing an MRI reference scan

#307
20100234723
2010-09-16

Magnetic resonance lmethod and apparatus with gated shimming of the basic magnetic field

#308
20100201364
2010-08-12

Phase correction method

#309
20100195885
2010-08-05

Methods of efficient and improved phase-sensitive MRI

#310
20100195884
2010-08-05

Method for transforming a distortion-corrected magnetic resonance image, method for carrying out magnetic resonance measurements, and image transformation unit

#311
20100141253
2010-06-10

Magnetic resonance imaging apparatus

#312
20100134107
2010-06-03

Magnetic resonance imaging system and method

#313
20100127702
2010-05-27

System for adjusting a magnetic field for MR and other use

#314
20100102819
2010-04-29

Sense shimming (SSH): a fast approach for determining B0 field inhomogeneities using sensitivity encoding

#315
20100102811
2010-04-29

NMR, MRI, and spectroscopic MRI in inhomogeneous fields

#316
20100085052
2010-04-08

Method for magnitude constrained phase contrast magnetic resonance imaging

#317
20100085050
2010-04-08

Spectral resolution enhancement of magnetic resonance spectroscopic imaging

#318
20100079141
2010-04-01

Magnetic resonance system and method for correction of distortion due to continuous movement of patient table

#319
20100052674
2010-03-04

Method for determining an attenuation map for use with positron emission tomography and magnetic resonance magnetic field homogeneity from a single three dimensional gradient echo sequence

#320
20100033179
2010-02-11

Distortion-free magnetic resonance imaging near metallic implants

#321
20100001727
2010-01-07

Method and apparatus for acquiring high resolution spectral data or high definition images in inhomogeneous environments

#322
20090292197
2009-11-26

Magnetic resonance device and method

#323
20090275821
2009-11-05

T1-corrected proton resonance frequency shift thermometry

#324
20090256567
2009-10-15

Three-point method and system for fast and robust field mapping for EPI geometric distortion correction

#325
20090238429
2009-09-24

Magnetic resonance tomography method and apparatus for correcting drift of the B0 field in a temperature map

#326
20090227860
2009-09-10

MR METHOD FOR THE QUANTITATIVE DETERMINATION OF LOCAL RELAXATION TIME VALUES

#327
20090219021
2009-09-03

Method and apparatus for removing artifacts during magnetic resonance imaging

#328
20090212773
2009-08-27

Arterial spin labeled, segmented, interleaved 3D GRASE MRI

#329
20090206838
2009-08-20

Systems and methods for correction of inhomogeneities in magnetic resonance images

#330
20090201021
2009-08-13

PHASE CORRECTION METHOD

#331
20090184711
2009-07-23

System and method for MR imaging in inhomogeneous magnetic fields

#332
20090174405
2009-07-09

Magnetic resonance imaging apparatus and magnetic resonance imaging method

#333
20090174403
2009-07-09

Magnetic resonance field map estimation for species separation

#334
20090169084
2009-07-02

Method and apparatus for correcting distortion during magnetic resonance imaging

#335
20090169083
2009-07-02

Method and device for distortion correction in magnetic resonance imaging

#336
20090160440
2009-06-25

MRI apparatus and MRI method for SSFP with center frequency and 1st order gradient moments zeroed

#337
20090096454
2009-04-16

Methods for rectification of B0 inhomogeneity effects in magnetic resonance images

#338
20090096450
2009-04-16

B0 field drift correction in a temperature map generated by magnetic resonance tomography

#339
20090079427
2009-03-26

MULTIPLY PHASE-CYCLED STEADY STATE FREE PRECESSION SEQUENCE AND MAGNETIC RESONANCE APPARATUS FOR IMPLEMENTATION THEREOF

#340
20090072826
2009-03-19

Magnetic resonance imaging with bipolar multi-echo sequences

#341
20090069666
2009-03-12

Correction of Intensity Inhomogeneity in Breast MRI

#342
20090046915
2009-02-19

Computer implemented method for correction of magnetic resonance images

#343
20090022384
2009-01-22

Method for correction of distortion in image data records recorded by means of a magnetic resonance scanner, as well as a computer program, image processing unit and magnetic resonance scanner for carrying out the method

#344
20090021258
2009-01-22

Method for determining local deviations of a main magnetic field of a magnetic resonance device

#345
20090009168
2009-01-08

System and method for minimizing MRI-imaging artifacts

#346
20080315876
2008-12-25

Magnetic resonance imaging apparatus and magnetic resonance image generating method

#347
20080297153
2008-12-04

MRI apparatus and method with Bcorrections using reference and object average units

#348
20080287773
2008-11-20

MRI thermometry involving phase mapping and reference medium used as phase reference

#349
20080285835
2008-11-20

Reducing distortion in magnetic resonance images

#350
20080258725
2008-10-23

Non iterative shimming in magnetic resonance imaging in the presence of high LIPID levels

#351
20080157766
2008-07-03

MRI apparatus and method for processing MR imaging data

#352
20080154119
2008-06-26

Method to correct magnetic field/phase variations in proton resonance frequency shift thermometry in magnetic resonance imaging

#353
20080150526
2008-06-26

Method and apparatus of MR imaging with two dimensional phase and magnitude correction

#354
20080084208
2008-04-10

Magnetic resonance imaging apparatus, magnetic resonance imaging method, scan apparatus, program and storage medium

#355
20080068012
2008-03-20

Method for transforming a distortion-corrected magnetic resonance image, method for carrying out magnetic resonance measurements, and image transformation unit

#356
20080027666
2008-01-31

Device and method for compensation of magnetic field disruptions in highly homogeneous magnetic fields

#357
20070285090
2007-12-13

PHASE CYCLING METHOD AND MAGNETIC RESONANCE IMAGING APPARATUS

#358
20070280520
2007-12-06

Magnetic resonance imaging apparatus and image correction estimating method

#359
20070279060
2007-12-06

Dynamic Shimset Calibration for Bo Offset

#360
20070265520
2007-11-15

Magnetic resonance spectroscopy with real-time correction of motion and frequency drift, and real-time shimming

#361
20070257671
2007-11-08

SSFP MRI with increased signal bandwidth

#362
20070252597
2007-11-01

Magnetic resonance spectroscopy with sparse spectral sampling and interleaved dynamic shimming

#363
20070247151
2007-10-25

Method and apparatus of MR imaging with two dimensional phase and magnitude correction

#364
20070241754
2007-10-18

Magnetic resonance imaging system and magnetic resonance imaging method

#365
20070222446
2007-09-27

Characterization of receiver demodulation for correcting off-axis MR imaging degradation

#366
20070194788
2007-08-23

Nuclear magnetic resonance detection in inhomogeneous magnetic fields

#367
20070170917
2007-07-26

Magnetic resonance imaging with real-time magnetic filed mapping

#368
20070164745
2007-07-19

NMR system and probe positioning method

#369
20070152666
2007-07-05

Method for determination of the transverse relaxation time T2* in MR data

#370
20070145976
2007-06-28

RF pulse applying method with an MRI apparatus which reduces vertical magnetization

#371
20070142723
2007-06-21

Correction of geometric distortions in magnetic resonance images

#372
20070092131
2007-04-26

Method for determining midpoint coordinates of an image of a point-symmetrical structure

#373
20070035302
2007-02-15

Phase unwrapping evolution method and magnetic resonance imaging apparatus using the method

#374
20070018645
2007-01-25

Method and apparatus for mapping and correcting geometric distortion in MRI

#375
20060233455
2006-10-19

Method for image intensity correction using extrapolation and adaptive smoothing

#376
20060233454
2006-10-19

Method for image intensity correction using extrapolation and adaptive smoothing

#377
20060220645
2006-10-05

Magnetic field mapping during SSFP using phase-incremented or frequency-shifted magnitude images

#378
20060164083
2006-07-27

Method of monitoring a magnetic field drift of a magnetic resonance imaging apparatus

#379
20060109004
2006-05-25

Reduction of blurring in view angle tilting MRI

#380
20060061359
2006-03-23

Magnetic resonance method with non-linear magnetic field gradients

#381
20060038562
2006-02-23

Method and probe for compensating for magnetic noise fields in space volumes, particularly in magnetic resonance imaging apparatus

#382
20060012365
2006-01-19

Method for positioning a slice of a magnetic resonance measurement

#383
20050270025
2005-12-08

Magnetic resonance imaging apparatus and magnetic resonance imaging data processing method

#384
20050218892
2005-10-06

Magnetic resonance method

#385
20050168221
2005-08-04

MR imaging method and MRI system

#386
20050165296
2005-07-28

Method and apparatus for phase-sensitive magnetic resonance imaging

#387
20050093541
2005-05-05

Method and system for optimized pre-saturation in MR with corrected transmitter frequency of pre-pulses

#388
20050057250
2005-03-17

Systems and methods for generating a pulse sequence for mitigating a limitation on spatial selectivity

#389
20050040824
2005-02-24

Measurement and correction of gradient-induced cross-term magnetic fields in an EPI sequence

#390
20050035763
2005-02-17

Distortion-corrected magnetic resonance measurement and magnetic resonance device

#391
20050033156
2005-02-10

Method and magnetic resonance tomography apparatus for correcting changes in the basic magnetic field

#392
20050033153
2005-02-10

Three point dixon techniques in MRI spiral trajectories with off-resonance correction where each TE is a multiple of 2.2 milliseconds

#393
20050030023
2005-02-10

Artifact reduction in SSFP MRI using weighted sum of combined signals

#394
20050017719
2005-01-27

Magnetic resonance tomography method and apparatus with suppression of ambiguity artifacts in spin echo images

#395
20050017717
2005-01-27

Chemical species suppression for MRI imaging using spiral trajectories with off-resonance correction

#396
20050007115
2005-01-13

Method and system for three dimensional phase unwrapping

#397
20050001619
2005-01-06

MRI method and apparatus with elimination of the ambiguity artifact

#398
19245871
2026-04-21

Method for acquiring a magnetic resonance image with an extended field of view

#399
16267218
2020-03-24

System and method for separation of water and fat signals during spin-lock magnetic resonance imaging

#400
15131185
2017-09-12

Apparatus and methods for fast NMR well logging without instrument speed effects

#401
14636713
2019-12-10

System and method for noise reduction in magnetic resonance imaging