Abstract: The present invention provides a method and apparatus for correcting a uniformity of a magnetic resonance image, the method comprising: acquiring a first uniformity enhancement image by a phased-array uniformity enhancement method; and dividing the first uniformity enhancement image by a receiving sensitivity distribution value of a body coil in a magnetic resonance imaging device, so as to acquire a second uniformity enhancement image. The method may further comprise: dividing the second uniformity enhancement image by a spatial signal distribution value resulting from a field strength distribution of a transmitting radio-frequency field, so as to acquire a third uniformity enhancement image.

Abstract: The present invention provides a magnetic resonance imaging method and system, the method comprising performing the following steps at least once: a composition step: performing image composition processing on raw images received by a receiving coil that is pre-determined as an artifact coil and a receiving coil that is pre-determined as a non-artifact coil to obtain a composite image; and a correction step: obtaining a product of the above composite image and space sensitivity of the above artifact coil to replace the raw image received by the above artifact coil, and performing the above composition step again.

Abstract: The present invention provides an apparatus and method for controlling a pulse sequence of a magnetic resonance (MR) imaging system, the MR imaging system comprising a radio frequency magnetic field coil and a gradient magnetic field coil, the apparatus for controlling a pulse sequence of the MR imaging system comprising a radio frequency driving unit and a gradient driving unit. The gradient driving unit is used for applying a first motion probing gradient (MPG) pulse and a second MPG pulse to the gradient magnetic field coil successively.

Abstract: The present invention provides an image identification method, a magnetic resonance imaging method and an imaging apparatus. Said imaging apparatus comprises: a scanning device configured to scan a target object to obtain projection images of the target object along different directions; a processing unit configured to process the obtained projection images to obtain posture feature information of the target object; a posture determining unit configured to determine a posture of the target object according to the obtained posture feature information. Therefore, the posture of the target object may be automatically recognized during the imaging, and thus the imaging operation is simplified, improving efficiency and reliability of the imaging operation.

Abstract: A method for designing MRI gradient pulse waveform provided by the present invention firstly defines target peripheral nerve stimulation (PNS) curve; then calculates a gradient pulse waveform by using a relation function between the gradient pulse waveform and PNS value curve based on the target PNS curve.

Abstract: An MRI apparatus includes an imaging device that performs MR imaging in an SSFP pulse sequence in which a phase cycling method produces RF excitation, and a control device that causes the imaging device; to collect data regarding a plurality of frequency regions in k-space in the SSFP pulse sequence in a first phase series; to collect data regarding low frequency regions in k-space in the SSFP pulse sequence in a plurality of remaining phase series; to generate frequency data based on the collected data, substitute data into high and low frequency regions of the frequency data, reconstruct low space frequency images based on the low frequency regions to which substitute data is added, reconstruct high space frequency images based on the high frequency regions to which substitute data have been added and combine the low space frequency images and the high space frequency images multiplied by a scaling factor.

Abstract: An MRI apparatus which performs MR imaging in an SSFP pulse sequence in which RF excitation is accomplished by a phase cycling method is caused; to collect data regarding all the frequency regions in a k-space in an SSFP pulse sequence in a first phase series out of a plurality of phase series; to collect data regarding low frequency regions in the k-space in the SSFP pulse sequence in the remaining phase series out of the plurality of phase series; to reconstruct an image by Fourier transform of the data regarding all the frequency regions collected in the SSFP pulse sequence in said first phase series; to generate frequency data of the k-space by inverse Fourier transform of said image; to separate said frequency data into data of the low frequency regions in the k-space and data of high frequency regions; to add data whose value is 0 to said separated data of the low frequency regions as substitute for the data of the high frequency regions; to add data whose value is 0 to said separated data of the high f