A magnetic resonance diagnosis apparatus comprising: a coil assembly including a high-frequency coil; a transmission unit adapted to excite magnetization of a specific atomic nucleus of an object by driving the high-frequency coil; and - a reception unit including a detection unit which is adapted to receive a magnetic resonance signal via the high-frequency coil, a low-pass filter, and an analog/digital converter; characterized by further comprising: a control unit adapted to set a passband of the low-pass filter to a band three times a frequency band determined from an imaging field of view, and to set a sampling frequency of the analog/digital converter to an oversampling frequency n times a signal band of the magnetic resonance signal to generate oversampled data, wherein n is an integer of not less than two; and a noise spatial distribution generating unit adapted to generate a noise spatial distribution on the basis of an output from the reception unit, wherein the noise spatial distribution generating unit includes a resampling processing unit adapted to generate n resampled data sets at different resampling positions on a time axis from the oversampled data, an image reconstruction unit adapted to reconstruct n images from the n resampled data sets, and a difference processing unit adapted to generate the noise spatial distribution by calculating differences between the n images. a coil assembly including a high-frequency coil; a transmission unit adapted to excite magnetization of a specific atomic nucleus of an object by driving the high-frequency coil; and - a reception unit including a detection unit which is adapted to receive a magnetic resonance signal via the high-frequency coil, a low-pass filter, and an analog/digital converter; - a reception unit including a detection unit which is adapted to receive a magnetic resonance signal via the high-frequency coil, a low-pass filter, and an analog/digital converter; characterized by further comprising: a control unit adapted to set a passband of the low-pass filter to a band three times a frequency band determined from an imaging field of view, and to set a sampling frequency of the analog/digital converter to an oversampling frequency n times a signal band of the magnetic resonance signal to generate oversampled data, wherein n is an integer of not less than two; and a noise spatial distribution generating unit adapted to generate a noise spatial distribution on the basis of an output from the reception unit, wherein the noise spatial distribution generating unit includes a resampling processing unit adapted to generate n resampled data sets at different resampling positions on a time axis from the oversampled data, an image reconstruction unit adapted to reconstruct n images from the n resampled data sets, and a difference processing unit adapted to generate the noise spatial distribution by calculating differences between the n images. a control unit adapted to set a passband of the low-pass filter to a band three times a frequency band determined from an imaging field of view, and to set a sampling frequency of the analog/digital converter to an oversampling frequency n times a signal band of the magnetic resonance signal to generate oversampled data, wherein n is an integer of not less than two; and a noise spatial distribution generating unit adapted to generate a noise spatial distribution on the basis of an output from the reception unit, wherein the noise spatial distribution generating unit includes a resampling processing unit adapted to generate n resampled data sets at different resampling positions on a time axis from the oversampled data, an image reconstruction unit adapted to reconstruct n images from the n resampled data sets, and a difference processing unit adapted to generate the noise spatial distribution by calculating differences between the n images.