Measurements Using NMR Imaging Systems TRIZ Cases

This MRI approach sorts k-space data by respiratory position and phase to reduce motion artifacts in organs during breathing.

Reference-based MRI parameter recommendations improve image quality and scan-time consistency.

Opposite-polarity bipolar gradients align phase information to limit eddy-current artefacts and improve Dixon water-fat image clarity.

Composite RF pulses combine Hadamard encoding and secondary excitation to accelerate MRI scans using existing hardware.

Wavelet or Fourier basis functions shape motion encoding gradients, simplifying reconstruction of broadband MRE tissue motion.

A trained model derives B0 and B1 shim settings from actual load parameters, reducing data acquisition and MRI preparation time.

This MRI case varies the SPIR partial inversion angle by saturation frequency to equalize residual fat signals and improve CEST accuracy.

Adaptive navigator echo timing limits TR extension while preserving motion detection.

Opposite readout directions estimate amplitude and phase errors, improving multi-echo Dixon water-fat separation and quantification.

This MRI sequence adjusts flip angles to offset T2 attenuation, accelerating BLADE acquisition while preserving contrast and image quality.

Alternating excitation polarity across radial k-space blades suppresses fine-line artifacts without added echo spacing or scan time.

MRI uses generic and dynamic spectrally selective pulses from B0 maps to correct local field differences and improve image quality.

A single multichannel network uses an adapter to process varied repetitions and directions, expanding training data for reconstruction.

Adjust navigator echo timing in MRI to limit TR extension during body motion detection.

This MRI approach combines SSFP, ultra-short echo time, and 3D spiral gradients to improve diffusion imaging at 7 Tesla.

Supplementary kernels reconstruct central k-space data, improving coil sensitivity accuracy and reducing artifacts in MRI images.

This case adapts MRI pulse sequences by rotating non-Cartesian sampling patterns to align water-fat shifts and improve image readability.

Multiple slice-group reordering schemes select an interleaving that limits crosstalk while preserving efficient SMS MRI acquisition.

Temporal weighting reduces MRI off-resonance artifacts during accelerated k-space sampling.

Arbitrarily oriented slices are acquired in one TR period to track intrafraction motion while preserving MRI frame rate.

FISP and PSIF contrast modules support precise T1 and T2 mapping with CRLB-optimized RF pulses and shorter MRI acquisition.

A fast detection sequence identifies implants before imaging, enabling adapted protocols that improve image quality and scanning safety.

Iterative K-space error feedback speeds MRI motion correction and limits artifacts.

Self-refocusing ZTE sequences vary radial spokes and repetition times to create echoes for Dixon water-fat separation.

Simultaneous navigator echoes correct MRI motion while preserving signal quality.

Flexible gradient timing and amplitude in Dixon MRI reduce acoustic noise while preserving water/fat separation and scan efficiency.

Measured field distributions correct segment-to-segment amplifier deviations, reducing MRI field non-linearity and image distortion.

This MRI approach combines navigator and target-slice excitation to limit motion artifacts while preserving signal quality and imaging time.

A closed-loop feedback process adjusts medical imaging light sources until target-detection confidence reaches a predefined threshold.

Reconstruction weights generate coil sensitivity maps that correct undersampling aliasing and improve parallel MR image quality.

This case varies k-space blade subsampling by RF coil orientation to speed PROPELLER MRI while preserving motion-robust image quality.

This case iteratively adjusts magnetic field strength and pulse sequences to reduce scanner variability in quantitative MR measurements.

This case uses transient emulsions for efficient SABRE transfer, then separates catalyst from the aqueous MRI medium.

Patient-specific B0 and B1 maps enable precomputed MRI excitation pulses, reducing dynamic pulse computation during imaging.

This case uses temporal basis functions and neural networks to accelerate dynamic MRI reconstruction from undersampled imaging data.

Stabilized multi-frequency pilot tones improve MRI movement detection SNR.

MORE-SPARKLING uses temporally weighted, constrained k-space trajectories to preserve accelerated MRI while reducing correction costs.