Abstract: It is intended to provide a communication terminal capable of preventing an operator of the communication terminal from recognizing processing running in the communication terminal. A communication terminal (10) according to the present disclosure includes a communication unit (11) that transmits an emergency message and a control unit (12) that disables a user's operation of the communication terminal or a function executed by a user's operation of the communication terminal after the emergency message is transmitted, and the communication unit (11) starts data communication with a monitoring terminal and transmits data to the monitoring terminal while the function is disabled.

Abstract: An X-ray CT apparatus according to an embodiment includes a photon-counting X-ray detector including a plurality of pixels and processing circuitry configured to acquire first data in a resolution priority mode from a first pixel set out of the pixels, acquire second data in an energy decomposition mode from a second pixel set, which is different from the first pixel set, out of the pixels at sampling intervals longer than those of the resolution priority mode, and generate third data based on the first data and the second data.

Abstract: An air conditioning control device includes: an operation pattern acquiring unit to acquire operation patterns indicating an operation target air conditioner in a room; a temperature data acquiring unit to acquire temperature data indicating a temperature measured by a temperature sensor when the air conditioner is in operation: a prediction model generating unit to generate, using a control amount of the air conditioner and temperature data acquired when the air conditioner is in operation as training data, a room-temperature prediction model for predicting the temperature measured by the temperature sensor when the air conditioner are in operation; and an operation pattern selecting unit to provide the control amount of the air conditioner to the room-temperature prediction model to acquire a prediction temperature from each of the room-temperature prediction models, and selects one operation pattern from the operation patterns on the basis of the prediction temperature.

Abstract: An X-ray CT apparatus according to an embodiment includes a photon counting detector that outputs a signal that enables measurement of an energy value of an X-ray photon incident thereon, and processing circuitry configured to determine a time to make a transition from a prescan to a main scan by estimating, from projection data, an amount of a contrast agent present on an X-ray path including a monitored region set for a subject in the prescan, the projection data having been generated by detection of X-rays by the photon counting detector, the X-rays having been transmitted through the monitored region.

Abstract: A non-transitory computer-readable recording medium having stored an image processing program that causes a computer to execute a process, the process includes extracting a plurality of consecutive pixels corresponding to a first part or a second part of a body, from a pixel column in a predetermined direction of an image of the body, obtaining a statistical value of pixel values of the plurality of consecutive pixels, and identifying a part corresponding to the plurality of consecutive pixels, among the first part or the second part, based on the statistical value.

Abstract: An X-ray CT apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires first data in a first mode without coincidence counting correction. The processing circuitry restores, from the first data, second data having a higher spatial resolution than the first data.

Abstract: An information processing apparatus according to the present embodiment sets an image generation condition for photon counting computed tomography (PCCT) imaging, the information processing apparatus comprising processing circuitry. The processing circuitry configured to receive an input which specifies a radiogram interpretation target, based on target-by-target setting information in which, for each radiogram interpretation target, energy range setting is defined which is related to an energy range meant for discriminating photons originating from X-rays that have passed through a subject, obtain energy range setting corresponding to the radiogram interpretation target that is received, and set the energy range setting that is obtained.

Abstract: A target thermal sensation setter sets target thermal sensations for a finite number of parts into which the occupant is virtually divided. A cabin temperature controller individually controls a cabin air-conditioning unit and an auxiliary heater so that the thermal sensations of the respective parts of the occupant estimated by an occupant thermal sensation estimator fall within a range of the target thermal sensations.

Abstract: A lesion detection method for a computer to execute a process includes detecting a first lesion region that indicates a certain lesion from each of a plurality of tomographic images obtained by imaging an inside of a human body, by using a first machine learning model that detects a lesion region from an input image that has image data of a two-dimensional space; detecting a second lesion region that indicates the certain lesion from three-dimensional volume data generated based on the plurality of tomographic images, by using a second machine learning model that detects a lesion region from input volume data that has image data of a three-dimensional space; and detecting a third lesion region that indicates the certain lesion from each of the plurality of tomographic images, based on an overlapping state between the first lesion region and the second lesion region.

Abstract: An X-ray CT scanner includes a photon counting type detector and processing circuitry. The detector includes a plurality of detection elements. The processing circuitry determines whether there is a defective element out of the plurality of detection elements and interpolates an output value of a defective element on the basis of output values of a plurality of normal elements which are included in the plurality of detection elements and which are adjacent to a defective element when there is a defective element.

Abstract: An X-ray computed tomography apparatus according to an embodiment includes an X-ray detector and a processing circuitry. The X-ray detector includes a plurality of detection elements arranged in a plurality of rows at least in a channel direction. The processing circuitry acquires an estimated count number of X-rays incident on the X-ray detector for each of the plurality of detection elements and determines a bit number for transmission for detection data indicating a count number of each of the plurality of detection elements based on the estimated count number.

Abstract: An X-ray detector according to embodiments is an X-ray detector of a direct conversion type in which a plurality of X-ray detection elements are arranged in a column direction and a channel direction and voltage is applied between anodes and cathodes. The X-ray detector includes processing circuitry. The processing circuitry performs control so as not to use, for generation of image data, data from the X-ray detection elements in end portions in one of the column direction and the channel direction of the X-ray detection elements, and so as to use, for generation of image data, data from the X-ray detection elements in other than the end portions.

Abstract: An X-ray CT apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain initial temperature information of a photon counting detector before a main scan, information about the shape of a subject, and a scan condition of the main scan. The processing circuitry is configured to estimate a temperature change of the photon counting detector to be observed when the main scan is performed, on the basis of the initial temperature information, the information about the shape of the subject, and information about the scan condition of the main scan. The processing circuitry is configured to judge whether or not it is possible to perform the main scan, on the basis of the temperature change and the initial temperature information.

Abstract: An autonomous thinking pattern generator including a pattern converter configured to convert input information to patterns, the input information including image information, sound information or language, a pattern recorder configured to record the patterns, a pattern controller configured to set and change the patterns, and form connective relations between the patterns, and an information analyzer configured to evaluate values of the input information is provided. The pattern recorder is configured to record the patterns corresponding to the input information which is determined as worthy by the information analyzer autonomously.

Abstract: An X-ray computed tomography apparatus according to an embodiment includes an X-ray detector and a processing circuitry. The X-ray detector includes a plurality of detection elements arranged in a plurality of rows at least in a channel direction. The processing circuitry acquires an estimated count number of X-rays incident on the X-ray detector for each of the plurality of detection elements and determines a bit number for transmission for detection data indicating a count number of each of the plurality of detection elements based on the estimated count number.

Abstract: An X-ray detector according to embodiments is an X-ray detector of a direct conversion type in which a plurality of X-ray detection elements are arranged in a column direction and a channel direction and voltage is applied between anodes and cathodes. The X-ray detector includes processing circuitry. The processing circuitry performs control so as not to use, for generation of image data, data from the X-ray detection elements in end portions in one of the column direction and the channel direction of the X-ray detection elements, and so as to use, for generation of image data, data from the X-ray detection elements in other than the end portions.

Abstract: An X-ray CT apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain initial temperature information of a photon counting detector before a main scan, information about the shape of a subject, and a scan condition of the main scan. The processing circuitry is configured to estimate a temperature change of the photon counting detector to be observed when the main scan is performed, on the basis of the initial temperature information, the information about the shape of the subject, and information about the scan condition of the main scan. The processing circuitry is configured to judge whether or not it is possible to perform the main scan, on the basis of the temperature change and the initial temperature information.

Abstract: An X-ray detector according to an embodiment is an X-ray detector configured by arranging a plurality of detector modules, and includes a first detector module, a second detector module, a voltage application circuit, a first transmission circuit, and a first reception circuit. The second detector module is adjacent to the first detector module among the detector modules. The voltage application circuit is disposed in each of the detector modules, and applies a voltage to a plurality of detection elements included in each of the detector modules. The first transmission circuit is disposed in the first detector module, and transmits a signal based on the voltage from the voltage application circuit of the first detector module. The first reception circuit is disposed in the second detector module, and receives a signal transmitted from the first transmission circuit.

Abstract: An X-ray CT apparatus according to one embodiment includes a photon counting detector and a processing circuitry. The photon counting detector includes a plurality of detecting elements configured to detect X-rays. The processing circuitry is configured to set a control parameter corresponding to a position of each detecting element of the plurality of detecting elements in the photon counting detector.

Abstract: According to one embodiment, a sensitivity correction method includes acquiring count rates for respective pixels in a photon counting detector; preparing incident dose adjustment materials for the respective pixels based on the count rates for the respective pixels; and providing the incident dose adjustment materials in a surface of the photon counting detector.