Magnetic resonance scanning and imaging method and magnetic resonance imaging system
AssigneeGE Precision Healthcare LLC
InventorsLei Gao, Yongchuan Lai
Life of this patent
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Abstract
A magnetic resonance scanning and imaging method and a magnetic resonance imaging system are provided. The method includes: performing a reference scan on a site to be examined, acquiring reference scan data corresponding to a portion of slice positions among a plurality of slice positions, and generating, according to the reference scan data, a phase correction coefficient corresponding to each slice position among the plurality of slice positions; and performing, according to the phase correction coefficients, a diagnostic scan on the site to be examined to acquire a magnetic resonance image.
Claims17
A magnetic resonance scanning and imaging method, characterized in that the method comprises:
- performing a reference scan on a site to be examined, acquiring reference scan data corresponding to a portion of slice positions among a plurality of slice positions, and generating, according to the reference scan data, a phase correction coefficient corresponding to each slice position among the plurality of slice positions;
- and
- performing, according to the phase correction coefficients, a diagnostic scan on the site to be examined to acquire a magnetic resonance image;
- and
- wherein the step of performing the reference scan on the site to be examined, acquiring the reference scan data corresponding to the portion of slice positions among the plurality of slice positions, and generating, according to the reference scan data, the phase correction coefficient corresponding to each slice position among the plurality of slice positions comprises:
- performing a one-dimensional reference scan on the site to be examined, acquiring one-dimensional reference scan data corresponding to a first portion of slice positions among the plurality of slice positions, and generating, according to the one-dimensional reference scan data, a first phase correction coefficient corresponding to each slice position among the plurality of slice positions;
- and
- performing a two-dimensional reference scan on the site to be examined, acquiring two-dimensional reference scan data corresponding to a second portion of slice positions among the plurality of slice positions, and generating, according to the two-dimensional reference scan data, a second phase correction coefficient corresponding to each slice position among the plurality of slice positions.
A magnetic resonance imaging system, characterized in that the system comprises:
- a scanning unit;
- and
- a controller, configured to control the scanning unit to perform a reference scan on a site to be examined, acquire reference scan data corresponding to a portion of slice positions among a plurality of slice positions, and generate, according to the reference scan data, a phase correction coefficient corresponding to each slice position among the plurality of slice positions;
- and perform, according to the phase correction coefficients, a diagnostic scan on the site to be examined to acquire a magnetic resonance image;
- and
- wherein the controller performs a one-dimensional reference scan on the site to be examined, acquires one-dimensional reference scan data corresponding to a first portion of slice positions among the plurality of slice positions, and generates, according to the one-dimensional reference scan data, a first phase correction coefficient corresponding to each slice position among the plurality of slice positions;
- and performs a two-dimensional reference scan on the site to be examined, acquires two-dimensional reference scan data corresponding to a second portion of slice positions among the plurality of slice positions, and generates, according to the two-dimensional reference scan data, a second phase correction coefficient corresponding to each slice position among the plurality of slice positions.
Dependencies are inferred from the claim text.