A magnetic resonance imaging system (100, 400) comprising: a memory storing machine executable instructions and pulse sequence commands, wherein the pulse sequence commands are configured for controlling the magnetic resonance imaging system to acquire a series of magnetic resonance data from a subject according to a quantitative magnetic resonance imaging protocol for quantitatively determining a relaxation time, wherein the quantitative magnetic resonance imaging protocol is configured for controlling the magnetic resonance imaging system to acquire the series of the magnetic resonance data using multiple pulse sequence repetitions, wherein each of the multiple pulse sequence repetitions comprises a magnetic gradient portion, a radio frequency portion, and an acquisition portion, wherein the quantitative magnetic resonance imaging protocol comprises a pause cycle between at least two of the multiple pulse sequence repetitions, wherein the pulse sequence commands are configured for acquiring noise magnetic resonance data during the pause cycle using the magnetic gradient portion and the acquisition portion, wherein the radio frequency portion is disabled during the acquisition of the noise magnetic resonance data; a processor configured for controlling the magnetic resonance imaging system, wherein execution of the machine executable instructions further causes the processor to: control the magnetic resonance imaging system with the pulse sequence commands to acquire the series of magnetic resonance data and the noise magnetic resonance data; reconstruct a series of magnetic resonance images weighted for the relaxation time using the series of magnetic resonance data; and reconstruct a noise magnetic resonance image using the noise magnetic resonance data. a memory storing machine executable instructions and pulse sequence commands, wherein the pulse sequence commands are configured for controlling the magnetic resonance imaging system to acquire a series of magnetic resonance data from a subject according to a quantitative magnetic resonance imaging protocol for quantitatively determining a relaxation time, wherein the quantitative magnetic resonance imaging protocol is configured for controlling the magnetic resonance imaging system to acquire the series of the magnetic resonance data using multiple pulse sequence repetitions, wherein each of the multiple pulse sequence repetitions comprises a magnetic gradient portion, a radio frequency portion, and an acquisition portion, wherein the quantitative magnetic resonance imaging protocol comprises a pause cycle between at least two of the multiple pulse sequence repetitions, wherein the pulse sequence commands are configured for acquiring noise magnetic resonance data during the pause cycle using the magnetic gradient portion and the acquisition portion, wherein the radio frequency portion is disabled during the acquisition of the noise magnetic resonance data; a processor configured for controlling the magnetic resonance imaging system, wherein execution of the machine executable instructions further causes the processor to: control the magnetic resonance imaging system with the pulse sequence commands to acquire the series of magnetic resonance data and the noise magnetic resonance data; reconstruct a series of magnetic resonance images weighted for the relaxation time using the series of magnetic resonance data; and reconstruct a noise magnetic resonance image using the noise magnetic resonance data. control the magnetic resonance imaging system with the pulse sequence commands to acquire the series of magnetic resonance data and the noise magnetic resonance data; reconstruct a series of magnetic resonance images weighted for the relaxation time using the series of magnetic resonance data; and reconstruct a noise magnetic resonance image using the noise magnetic resonance data.