Abstract: A apparatus includes an acquisition unit to acquire magnetic resonance data in every data group, a unit to control the acquisition unit to collect the data for one or a plurality of data groups during a collection period which is set based on a starting time phase of a cardiac cycle of the subject, a unit to determine the data among the data acquired by the acquisition unit as ineffective data if at least a part of it is related to a data group acquired during an ineffective period, and as effective data if all of it is related to a data group acquired during a period other than the ineffective period, the ineffective period being set based on an ending time point of the cardiac cycle in which the data is acquired, and a unit to reconstruct an image regarding the subject by using the effective data.

Abstract: A reader (12) is provided with: a near-field light device (122) having (i) one or a plurality of quantum dots and (ii) an output end (224) laminated on an upper layer of the one or plurality of quantum dot layers; and a light receiving device (124) which is configured to receive light caused by near-field light formed by the near-field light device upon reproduction of record information on a recording medium. According to the reader, the information recorded by heat assisted magnetic recording can be reproduced without providing a separate magnetic circuit.

Abstract: An near-field light device (100) is provided with: a first electrode layer (123) having a protruding portion (123a); a second electrode layer (121); and a light emitting layer (122), the protruding portion protrudes along a predetermined direction (Y axis direction) to be capable of extracting energy which is caused by emission of light at the light emitting layer, the predetermined direction intersects with a laminated direction (X axis direction) of the near-field light device, an edge surface of at least one portion of the projection portion is located at more outward side in the optical device than an edge surface of the second electrode layer is.

Abstract: A diagnostic imaging apparatus includes a ventricular volume-variation measuring unit that measures sequential variations in a size of a ventricle within at least one heart beat, from images of a heart scanned in each of a plurality of time phases; a scanning-condition setting unit that specifies a time phase of little cardiac motion based on variations in the size of the ventricle measured by the ventricular volume-variation measuring unit, and sets scanning conditions so as to collect data in the specified time phase; and an imaging unit that collects data based on the scanning conditions set by the scanning-condition setting unit, and reconstructs an image from the collected data.

Abstract: An image processing method generates two-dimensional images, each of which are respectively in accordance with left and right breasts of a subject using three-dimensional image data of the left and right breasts. A comparison two-dimensional combined image is generated, wherein the left and right breast images are disposed symmetrically. The comparison two-dimensional combined image is displayed on a display unit.

Abstract: According to a Magnetic Resonance Imaging (MRI) apparatus, a scanning-parameter limit calculating unit creates examination information that represents scanning conditions for collection of magnetic resonance signal data based on scanning parameters set by an operator; a scanning-condition edit/scan positioning unit creates a time chart that indicates the type and a sequential execution order of an event to be executed when collecting magnetic resonance signal data based on the examination information created by the scanning-parameter limit calculating unit, and causes a time-chart display unit to display the created time chart.

Abstract: A recording apparatus records information onto a recording medium. The recording apparatus is provided with: a near-field light device; and a control unit for controlling the near-field light device. The near-field light device is provided with: a light source; a quantum dot structure which is laminated on the light source; a plurality of quantity dots which are included in the quantity dot structure and each of which generates near-field light on the basis of light emitted from the light source; and an output end which is configured to output at least one portion of energy of the near-field light to the exterior of the quantity dot structure. The control unit of the recording apparatus controls the light source to emit the light upon recording the information, thereby increasing temperature of a region of the recording medium based on a size of the output end.

Abstract: A method for producing a near-field optical device is provided with: a step for forming a near-field light generation unit (10) on one surface of a transparent substrate (32); a step for forming a light source (20); and a step for adhering the transparent substrate on which the near-field light generation unit is formed, with the light source. Thereby, a method for producing a near-field optical device suited for mass production can be provided.

Abstract: A magnetic resonance diagnostic apparatus includes a derivation unit to derive an apparent diffusion coefficient regarding a pixel position for each pixel position included in a region of interest in at least two original images obtained by imaging a same imaging region of a same subject using at least two b-factors which are different from each other, respectively, based on pixel values of each of at least two original images regarding the pixel positions, and a first estimation unit to estimate a pixel value obtained by using a b-factor which is different from the at least two b-factors, regarding each pixel position included in the region of interest, based on the apparent diffusion coefficient derived for each pixel position.

Abstract: A magnetic resonance diagnostic apparatus includes a derivation unit to derive an apparent diffusion coefficient regarding a pixel position for each pixel position included in a region of interest in at least two original images obtained by imaging a same imaging region of a same subject using at least two b-factors that are different from each other, respectively, based on pixel values of each of at least two original images regarding the pixel positions, and a first estimation unit to estimate a pixel value obtained by using a b-factor that is different from the at least two b-factors, regarding each pixel position included in the region of interest, based on the apparent diffusion coefficient derived for each pixel position.

Abstract: A magnetic resonance imaging apparatus includes the data gathering unit gathers magnetic resonance data in a non-contrast manner by applying a first readout gradient pulse having a zero-order moment of 0 and second readout gradient pulse having a zero-order moment of 0 and a first-order moment of a value different from a value of a first-order moment of the first readout gradient pulse to a region of interest including a fluid in motion, and periodically arranging first magnetic resonance data readout with the first readout gradient pulse and second magnetic resonance data read out with the second readout gradient pulse in at least one of a phase encoding direction and a slice encoding direction in a k-space to generate k-space data and reconstructs the k-space data to generate an image in which a fluid image and static part image surrounding the fluid are spatially separated from each other.

Abstract: A magnetic resonance imaging (MRI) system obtains an MR image of an object. The system detects an ECG signal and performs a pulse sequence of RF gradient magnetic fields toward the object. Imaging defined by the pulse sequence is longer in temporal length than one heartbeat. The system further acquires an MR signal from the object in response to performance of the pulse sequence and produces the MR image based on the acquired MR signal. Also possible are: a plurality of divided MT pulses instead of the conventional single MT pulse, an SE-system pulse sequence having a shorter echo train spacing, and the generation of sounds by applying gradient pulses incorporated in an imaging pulse sequence so as to automatically instruct a patient to perform an intermittent breath hold.

Abstract: A recording apparatus records information onto a recording medium. The recording apparatus is provided with: a near-field light device; and a control unit for controlling the near-field light device. The near-field light device is provided with: a light source; a quantum dot structure which is laminated on the light source; a plurality of quantity dots which are included in the quantity dot structure and each of which generates near-field light on the basis of light emitted from the light source; and an output end which is configured to output at least one portion of energy of the near-field light to the exterior of the quantity dot structure. The control unit of the recording apparatus controls the light source to emit the light upon recording the information, thereby increasing temperature of a region of the recording medium based on a size of the output end.

Abstract: A magnetic resonance diagnostic apparatus is configured in such a manner that: a high-frequency transmission coil transmits a high-frequency electromagnetic wave at a magnetic resonance frequency to an examined subject; a heating coil performs a heating process by radiating a high-frequency electromagnetic wave onto the examined subject at a frequency different from the magnetic resonance frequency; based on a magnetic resonance signal, a measuring unit measures the temperature of the examined subject changing due to the high-frequency electromagnetic wave radiated by the heating coil; and a control unit exercises control so that the measuring unit measures the temperature while the heating coil is performing the heating process, by ensuring that the transmission of the high-frequency electromagnetic wave by the high-frequency transmission coil and the radiation of the high-frequency electromagnetic wave by the heating coil are performed in parallel.

Abstract: A magnetic resonance imaging apparatus includes an electrocardio information acquisition unit which acquires a magnetic resonance signal (e.g., showing a cardiac beat) for estimating an electrocardiogram signal of an object in sync with a biomedical signal other than an electrocardiogram signal. A time difference is determined between the electrocardiogram signal and a synchronous position of the biomedical signal as estimated from the acquired magnetic resonance signal. An image data generation unit acquires a magnetic resonance signal for imaging corresponding to a specific time phase of the cardiac cycle in sync with the biomedical signal based on the time difference, to generate an image data corresponding to the specific time phase of the cardiac cycle.

Abstract: A magnetic resonance imaging apparatus includes: a sequence controlling unit that, by controlling an execution of a pulse sequence, acquires magnetic resonance (MR) signals corresponding to a plurality of channels in the pulse sequence executed as a series, the MR signals being configured to be arranged into a first region of a k-space at first intervals and into a second region larger than the first region at second intervals larger than the first intervals; an arranging unit that arranges the MR signals corresponding to the channels into the k-space as k-space data; and an image generating unit that generates first-interval k-space data corresponding to the channels based on the second-interval k-space data acquired by executing the pulse sequence and generates a magnetic resonance image based on the generated first-interval k-space data, the first-interval k-space data acquired by executing the pulse sequence, and sensitivity distributions corresponding to the channels.

Abstract: An image display apparatus includes a storage unit that stores a plurality of image data with respect to a scan area of a subject; an analysis processing unit that obtains a plurality of analysis results by performing a predetermined analysis processing on a plurality of image data stored in the storage unit; a display unit that displays image data stored in the storage unit along with analysis results obtained by the analysis processing unit; and an image-display control unit that performs control such that image data corresponding to a specified analysis result is to be displayed on the display unit, when at least one analysis result is specified from among the analysis results displayed by the display unit.

Abstract: A magnetic resonance imaging (MRI) system obtains an MR image of an object. The system detects an ECG signal and performs a pulse sequence of RF gradient magnetic fields toward the object. Imaging defined by the pulse sequence is longer in temporal length than one heartbeat. The system further acquires an MR signal from the object in response to performance of the pulse sequence and produces the MR image based on the acquired MR signal. Also possible are: a plurality of divided MT pulses instead of the conventional single MT pulse, an SE-system pulse sequence having a shorter echo train spacing, and the generation of sounds by applying gradient pulses incorporated in an imaging pulse sequence so as to automatically instruct a patient to perform an intermittent breath hold.