Canon Medical Systems

A magnetic resonance imaging apparatus according to an embodiment includes a static magnetic field magnet, an amplifier circuit, a phase control circuit, and an RF coil. The static magnetic field magnet is configured to generate a static magnetic field in a bore. The amplifier circuit is configured to amplify an input signal. The phase control circuit is configured to control a phase of a signal amplified by the amplifier circuit on a basis of gain of the amplifier circuit obtained from a signal inputted to the amplifier circuit and a signal amplified by the amplifier circuit, and on a basis of a reference gain. The RF coil is configured to transmit, to a subject placed in the bore, an RF pulse based on a signal amplified by the amplifier circuit and whose phase is controlled by the phase control circuit.

An image processing device (2) according to an embodiment includes processing circuitry (23) and a memory (22). The processing circuitry (23) displays first CT image data (90a) corresponding to a first keV value on a display (25) with a first window width and a first window level. The processing circuitry (23) determines a second window width and a second window level based on the first window width and level, respective CT values of a specific area corresponding to the first keV value and a second keV value, statistical information regarding the respective CT values of the specific area corresponding to the first and second keV values. The processing circuitry (23) displays second CT image data (90b) corresponding to the second keV value on the display (25) with the second window width and the second window level. An embodiment discloses an image processing method and a computer program.

According to one embodiment, an electrolyte detection unit includes a probe that feeds a solution sucked from one end to the other end, a vortex generation member disposed near the other end of the probe, and an electrode unit that generates potential relating to predetermined ions included in the solution that has passed through a region in which the vortex generation member is disposed.

An MRI apparatus (1) according to an embodiment includes a setting unit and a scanner. The setting unit is configured to set a pulse sequence including a plurality of sub pulse sequences to acquire a plurality of MR data each corresponding to a different one of a plurality of echo signals emitted from an object after applying a MT pulse and a RF pulse to the object, each of the plurality of sub pulse sequences corresponding to an Ultrashort Echo Time sequence. The scanner is configured to acquire the plurality of MR data based on the pulse sequence set by the setting unit. The MR data corresponding to an initial echo signal after the application of the RF pulse to the object among the plurality of echo signals in at least one of the plurality of sub pulse sequences is used for analyzing both bound water and free water in the object.

A method for performing neural-network-based image enhancement in a medical imaging system, the method comprising: acquiring an image of an imaging object, the acquired image including a plurality of patches, with adjacent patches having an overlapping region; using a trained neural network to perform image enhancement on the acquired image in a patch-by-patch manner; and assembling a neural-network-enhanced image, based on an output from the trained neural network and a first blending function, wherein the assembling step performs a weighted summation for each voxel in the overlapping regions based on the first blending function, so as to mitigate checkerboard artifacts in the neural-network-enhanced image.

A medical image processing apparatus (102) according to an embodiment includes an image acquisition unit (112); a spatial information acquisition unit (152); a feature map generation unit (122, 132); and an execution unit (162). The image acquisition unit (112) is configured to acquire a plurality of medical images. The spatial information acquisition unit (152) is configured to acquire three-dimensional spatial information corresponding to the medical images and representing three-dimensional spatial characteristics. The feature map generation unit (122, 132) is configured to generate a feature map based on the medical images and the three-dimensional spatial information. The execution unit (162) is configured to execute processing on a target medical image based on the feature map.

A magnetic resonance imaging apparatus (100) according to an embodiment includes a prepulse application unit (121) configured to perform irradiation of a saturation RF pulse as a prepulse, a readout unit (122) configured to read out a saturation magnetic resonance signal in a spatially selective manner, the saturation magnetic resonance signal corresponding to a signal excited by the saturation RF pulse, a main-acquisition unit (123) configured to perform a main acquisition including irradiation of an excitation RF pulse, after the irradiation of the saturation RF pulse, the excitation RF pulse being a different RF pulse from the saturation RF pulse; and an output unit (124) configured to output the saturation magnetic resonance signal and main-acquisition data acquired by the main acquisition.

An imaging area output apparatus according to an embodiment includes a processing circuitry. The processing circuitry acquires a template for searching an imaging area. The processing circuitry generates, based on pixel information of each of pixels, an appropriateness map representing an appropriateness degree as the imaging area for each of the pixels. The processing circuitry generates an integral map of the appropriateness map, and calculates an evaluation value as the imaging area of the template by utilizing the integral map with respect to each of disposition ranges of the template to the appropriateness map. The processing circuitry searches a specific disposition range in which the evaluation value satisfies a separately determined condition, and outputs identification data of the imaging area corresponding to the specific disposition range.

A medical information processing apparatus (100) according to an embodiment includes processing circuitry (150). The processing circuitry (150) acquires a plurality of images of a target organ (20) captured in time series. The processing circuitry (150) specifies, from each of the images, a target organ region (200) where the target organ (20) is depicted. The processing circuitry (150) specifies, from each of the images, a device region (60) where a device (30) attached to the target organ (20) is depicted. The processing circuitry (150) specifies, based on the target organ region (200) and the device region (60), an index relating to a state of the target organ (20) to which the device (30) is attached. The index is specified from change in a relative position of the device (30) with respect to the target organ (20) in a specific attention direction (D). An embodiment discloses a medical information processing method.

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