The invention discloses a magnetic
resonance quantitative imaging method and device based on gradient echoes. The method comprises the following steps: firstly, changing the
echo time and the turnoverangle for many times to obtain K
gradient echo signals, and acquiring the
k space data on each coil channel of each
gradient echo signal; and then according to the
gradient echo signals,
k space dataand phases on each coil, and the sensitivity of each coil channel, establishing unknown factors including a
mathematical model of magnetic sensitivity,
proton density, T1, and T*2, and finally solving the magnetic sensitivity, the
proton density, T1, and T*2 corresponding to the minimization of the
mathematical model. The magnetic
resonance quantification is directly solved as the unknown in themathematical model, and the regularization is directly directed to the
resonance quantification, a magnetic resonance quantitative value is obtained by solving an equation solution, and more accurateresults can be obtained. According to the method, the accuracy and accuracy of magnetic resonance quantification can be improved, and the accuracy of
clinical diagnosis is further improved.