Abstract: A disclosed program verification method includes: reading out, from a first storage unit, a first value that was calculated before shutdown of the computer for each part of a first program at start of the computer; and determining whether the first program is valid based on the read out first value for each part of the first program and a second value that was calculated for each part of a second program that is valid and is stored in a second storage unit.

Abstract: An attack detection device includes: a receiver configured to receive messages that are periodically transmitted from a communication device in a network; and a processor. The processor predicts a number of messages to be received by the receiver in a specified monitor range based on a transmission cycle of the messages so as to generate a predicted value. The processor counts a number of messages received by the receiver in the specified monitor range so as to generate a count value. The processor detects an attack in the network according to a result of a comparison between the predicted value and the count value.

Abstract: A vehicle system includes a plurality of electronic control devices respectively includes a first processor configured to control each unit of a vehicle; and a management electronic control device that includes a second processor configured to manage the plurality of electronic control devices, wherein when an encryption key used to verify a message is updated to another encryption key, the second processor transmits a first message that includes a controller area network identifier (CAN-ID) that identifies the message and a second message that includes the another encryption key to a network, and when the CAN-ID of the message included in the first message is a CAN-ID to be processed, the first processor updates the encryption key used to verify the message to the another encryption key included in the second message.

Abstract: When displaying a plurality of images in different conformations in relation to information of a tissue motion typified by a heart wall motion, support information which is used to rapidly and easily visually confirm a relative positional correspondence relationship between an MPR image, a polar mapping image, and a three-dimensional image is generated and displayed. A marker indicative of a desired local position is set and displayed as required. Further, a position corresponding to the set or changed marker may not be present on the MPR image. In such a case, the MPR image always including a position corresponding to the set or changed marker is generated and displayed by automatically adjusting a position of an MPR cross section.

Abstract: A disclosed implementation unit includes: an implementation unit counter that is synchronized with a verification apparatus counter provided in a verification apparatus; and a processing part configured to transmit an encryption signal to the verification apparatus at two or more different timings while a counter value of the implementation unit counter is a certain value, the encryption signal representing an implementation unit ID encrypted based on the counter value of the implementation unit counter.

Abstract: An ultrasound diagnosis apparatus includes an ultrasound transducer, an evaluation value acquisition unit, a determination unit, and an output unit. The evaluation value acquisition unit obtains an evaluation value for evaluating the function of tissue including a predetermined site based on biological information acquired for a predetermined period of time by the ultrasound transducer. The determination unit determines whether the function of the tissue is abnormal based on the evaluation value. The output unit outputs information based on a result of determination by the determination unit.

Abstract: An onboard system comprising, a plurality of electronic control units (ECUs) coupled together via a network and including a first ECU and a second ECU, the first ECU including a first memory and a first processor coupled to the first memory, the second ECU including a second memory and a second processor coupled to the second memory, wherein, the first memory and the second memory configured to store a list recording a combination of identification information of software of the plurality of ECUs, the first processor is configured to: compare identification information of the list stored in the first memory against identification information of the list stored in the second memory and identify a list which is newer in the lists, and determine whether or not a combination of software of the plurality of ECUs is aligned based on a combination of the software identification information.

Abstract: An ultrasonic wave diagnostic apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires a plurality of pieces of volume data obtained through image capturing of a region including the cardiac ventricle of a subject for a predetermined duration. The processing circuitry estimates motion of tissue of the cardiac ventricle by using the pieces of volume data. The processing circuitry calculates, based on a result of the estimation, cardiac ventricle information indicating at least one of wall motion information and volume information related to the cardiac ventricle. The processing circuitry calculates, based on a result of the estimation, annulus information related to the size or shape of an annulus position of a valve related to inflow or outflow of blood current at the cardiac ventricle. The processing circuitry outputs the cardiac ventricle information and the annulus information.

Abstract: A medical image diagnosis apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain a plurality of pieces of first medical information indicating wall motion parameters in a first local region and in a first global region, with respect to the heart of a first patient. The processing circuitry is configured to determine abnormality in the first local region on the basis of the plurality of pieces of first medical information.

Abstract: An ultrasonography apparatus includes an acquiring unit, a calculating unit, a multiplying unit, and a generating unit. The acquiring unit acquires a plurality of reception signals that are generated by assigning various kinds of weights on multiple reflected wave signals to which a delay according to a position in a reception aperture is given, and by adding the weighted signals for respective kinds of the weights. The calculating unit calculates a coefficient corresponding to each of positions on a scan line of the reception signals, based on any one of a signal and pixel value of each of positions based on at least one reception signal. The multiplying unit multiplies any one of the values of each of positions based on at least one different reception signal from said reception signal(s) by the coefficient to acquire output data. The generating unit generates ultrasonic image data based on the data.

Abstract: A vehicle system includes a plurality of electronic control devices respectively includes a first processor configured to control each unit of a vehicle; and a management electronic control device that includes a second processor configured to manage the plurality of electronic control devices, wherein when an encryption key used to verify a message is updated to another encryption key, the second processor transmits a first message that includes a controller area network identifier (CAN-ID) that identifies the message and a second message that includes the another encryption key to a network, and when the CAN-ID of the message included in the first message is a CAN-ID to be processed, the first processor updates the encryption key used to verify the message to the another encryption key included in the second message.

Abstract: An ultrasound diagnosis apparatus includes an ultrasound transceiver and a controller. The ultrasound transceiver includes a changer that changes transmission direction of ultrasound waves. The ultrasound transceiver transmits ultrasound waves in a direction set while being inserted in a subject to acquire biological information of an observation site of the subject. The controller obtains a direction toward the observation site based on the biological information, and controls the changer to adjust the transmission direction of ultrasound waves to the direction thus obtained.

Abstract: An ultrasound diagnostic apparatus includes an acquisition unit acquiring pieces of ultrasound image data at different deflection angles; a calculation unit calculating coefficients corresponding to respective positions in ultrasound image data corresponding to a certain deflection angle based on signal or pixel values corresponding to the respective positions in at least one piece of ultrasound image data corresponding to a deflection angle other than the certain deflection angle; a multiplication unit multiplying, by the coefficients, signal or pixel values corresponding to the respective positions in the piece of ultrasound image data corresponding to the certain deflection angle, or signal or pixel values corresponding to the respective positions in image data obtained by compounding ultrasound image data corresponding to respective deflection angles including the certain deflection angle; and a control unit causing a display unit to display an image based on the signal or pixel values multiplied by the c

Abstract: An encryption key distribution system includes: a key distribution ECU that transmits an encryption key; and a key reception ECU that receives the encryption key, the key distribution ECU: transmits the encryption key to the key reception ECU; and determines completion of transmission of the encryption key, based on a result of determination as to whether first verification data transmitted from the key reception ECU matches second verification data of the encryption key which is calculated from a common key stored in the key distribution ECU and an identifier of the key reception ECU, the key reception ECU: records the received encryption key in the key reception ECU; calculates the first verification data from the same common key as the common key stored in the key reception ECU and the identifier of the key reception ECU; and transmits the calculated first verification data to the key distribution ECU.

Abstract: An ultrasound diagnosis apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to specify a region being a part of a heart on the basis of two- or three-dimensional moving image data rendering the heart. The processing circuitry is configured to obtain a reference waveform that makes it possible to estimate a cardiac phase, on the basis of the region in the moving image data specified.

Abstract: An ultrasonic diagnostic apparatus according to an embodiment generates, based on the echo signal, velocity distribution information of a tissue in the object. The ultrasonic diagnostic apparatus generates state information representing a cycle of the pressurization or the depressurization and target information representing a target cycle of pressurization or depressurization based on the velocity distribution information. The ultrasonic diagnostic apparatus associates one of two variables defining a predetermined graphic pattern with the cycle, displays the state information and the target information as the graphic pattern, and displays the graphic pattern upon deforming a shape of the graphic pattern in accordance with a change in the cycle of the pressurization or the depressurization in the state information.

Abstract: An ultrasound diagnostic apparatus according to an embodiment includes processing circuitry. The processing circuitry sets a ROI in ultrasound image data that corresponds to at least one temporal phase and is among moving image data of two-/three-dimensional ultrasound image data acquired while using a region containing a tissue in motion as an image taking target. The processing circuitry obtains first position information of an estimated ROI based on movement information and second position information of an estimated ROI based on information other than the movement information, in ultrasound image data corresponding to the other remaining temporal phases within an acquisition period of the moving image data. The processing circuitry tracks the ROI, by obtaining position information combining the first and second position information based on an index related to reliability of the movement information, as position information of the ROI.

Abstract: According to one embodiment, a medical processing apparatus includes processing circuitry. The processing circuitry adds incidental information including information regarding a kind concerning each of a plurality of regions in a heart to an analysis result of each of the regions. The analysis result is obtained by analyzing medical data. The processing circuitry determines a display position of the analysis result of each of the regions based on the incidental information.

Abstract: An ultrasound diagnosis apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to generate ultrasound images in a time series on the basis of data acquired by transmitting and receiving an ultrasound wave. Every time an ultrasound image satisfying a predetermined condition is generated, the processing circuitry is configured to perform a position aligning process between the ultrasound image satisfying the predetermined condition and a reference image obtained in advance. The processing circuitry is configured to identify, within the ultrasound image satisfying the predetermined condition, a region of interest set in the reference image, on the basis of a result of the position aligning process and to track the region of interest in ultrasound images in a time series that are newly generated by the image generating unit during or after the position aligning process.

Abstract: An ultrasound diagnosis apparatus includes processing circuitry. The processing circuitry obtains three-dimensional medical image data, taken by using an ultrasound probe, of a region including a heart valve of a patient and a catheter inserted into a heart chamber of the patient. The processing circuitry determines an advancing direction of a tip end part of the catheter by obtaining information on a position and a posture of the tip end part included in the three-dimensional medical image data, by using at least one selected from shape information indicating the shape of the tip end part and reflection characteristic information indicating ultrasound reflection characteristics of the tip end part. The processing circuitry generates a display image from the three-dimensional medical image data in accordance with the position and the advancing direction of the tip end part. The processing circuitry causes the display image to be displayed.