Abstract: Embodiments of the present invention provide a magnetic resonance scanning method and system and a computer-readable storage medium. The method comprises: when an imaging volume of an object is at a current position, performing a current imaging scan on the imaging volume based on a predicted overall B0 field map at the current position.

Abstract: Devices and systems for controlling pressure during sensing are disclosed. Such sensors and/or systems may be embodied in a wearable user device. The wearable user device may include a cuff configured to apply a pressure to a portion of a user at a plurality of discrete pressure levels over a plurality of time periods; a biometric sensor configured to obtain a plurality of sensor measurements associated with a blood vessel of the user at corresponding ones of the plurality of discrete pressure levels during corresponding ones of the plurality of time periods; and a wearable structure including the cuff and the biometric sensor.

Abstract: Embodiments of the present application provide a magnetic resonance system and a shimming method and an imaging method thereof. The shimming method comprises: performing a scout scan on a subject to be examined, and obtaining phase data of a plurality of slice positions; determining three-dimensional space static magnetic field information according to the phase data of the plurality of slice positions; and determining a shimming value of a slice in a region of interest according to the three-dimensional space static magnetic field information.

Abstract: A main magnetic field correction method for a magnetic resonance imaging system includes: obtaining an estimated image of a phantom based on a first imaging sequence, the first imaging sequence having a variable resonant frequency; pre-correcting a main magnetic field based on the estimated image; obtaining a scanned image of the phantom based on the pre-corrected main magnetic field; and determining whether the quality of the scanned image is within an acceptable range, and if not, returning to the step of obtaining the estimated image.

Abstract: Embodiments of the present application provide a magnetic resonance system and a shimming method and an imaging method thereof. The shimming method comprises: performing a scout scan on a subject to be examined, and obtaining phase data of a plurality of slice positions; determining three-dimensional space static magnetic field information according to the phase data of the plurality of slice positions; and determining a shimming value of a slice in a region of interest according to the three-dimensional space static magnetic field information.

Abstract: Embodiments of the present invention provide a method for identifying a body position of a detection object in medical imaging, a medical imaging system, and a computer-readable storage medium. The method comprises: receiving an image group by a trained deep learning network, the image group comprising a plurality of pre-scan images in a plurality of directions obtained by pre-scanning a detection object; and outputting body position information of the detection object by the deep learning network.

Abstract: Provided in embodiments of the present invention are a magnetic resonance imaging system and a main magnetic field correction method therefor, and a storage medium. Specifically, provided are a magnetic resonance imaging system, a main magnetic field correction method for the magnetic resonance imaging system, and a computer-readable storage medium. The method includes: obtaining an estimated image of a phantom based on a first imaging sequence, the first imaging sequence having a variable resonant frequency; pre-correcting a main magnetic field based on the estimated image; obtaining a scanned image of the phantom based on the pre-corrected main magnetic field; and determining whether the quality of the scanned image is within an acceptable range, and if not, returning to the step of obtaining the estimated image.

Abstract: Embodiments of the present invention provide a magnetic resonance scanning method and system and a computer-readable storage medium. The method comprises: when an imaging volume of an object is at a current position, performing a current imaging scan on the imaging volume based on a predicted overall BO field map at the current position.

Abstract: Provided in embodiments of the present invention are a body mold, a magnetic resonance imaging system, and a main magnetic field evaluation method and a gradient field evaluation method therefor. The body mold comprises a plurality of substrates, wherein the plurality of substrates are sequentially arranged to form a multi-layer structure in a three-dimensional space. Each substrate is provided with a plurality of first accommodation bodies for accommodating first resonant volumes and a plurality of second accommodation bodies for accommodating second resonant volumes. The plurality of first accommodation bodies and the plurality of second accommodation bodies are arranged at intervals. The first resonant volumes and the second resonant volumes have different longitudinal relaxation times T1.

Abstract: Embodiments of the present invention provide a method for identifying a body position of a detection object in medical imaging, a medical imaging system, and a computer-readable storage medium. The method comprises: receiving an image group by a trained deep learning network, the image group comprising a plurality of pre-scan images in a plurality of directions obtained by pre-scanning a detection object; and outputting body position information of the detection object by the deep learning network.