Abstract: An ultrasonic diagnostic apparatus according to an embodiment includes a processing circuitry. With respect to pieces of image data of a plurality of cross sections passing through the heart of a subject that have been collected by ultrasonically scanning each of the cross sections for a period of at least one heart beat, the processing circuitry performs tracking processing including two-dimensional pattern matching to generate pieces of analysis information in each of which a cardiac wall motion of the heart in each section is analyzed. The processing circuitry matches time phases of the pieces of analysis information of the cross sections and maps the pieces of analysis information of the cross sections with the matched time phases on a predetermined polar coordinate system to generate a polar coordinate display image. The processing circuitry causes display of the polar coordinate display image.

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.

Abstract: An image processing apparatus of an embodiment includes a combined image generator and a controller. The combined image generator projects, on three-dimensional data indicating three-dimensional heart function information obtained from a first volume data group obtained by imaging the heart of a subject, a three-dimensional shape of blood vessels nourishing a cardiac muscle included in second volume data obtained by imaging the heart, thereby producing three-dimensional combined data, and produces combined image data in which the three-dimensional combined data is developed on a surface. The controller causes a display unit to display the combined image data.

Abstract: Using three-dimensional mapping images at different time phases obtained by mapping motion information, a peak value of motion information in a local region is retrieved in each of the time phases. On the basis of the result, a locus line or the like indicative of fluctuations with time in the local peak region is generated and displayed so as to be, for example, superimposed on a mapping image. By observing the locus line on the mapping image displayed, the observer can directly grasp the state of the space-time propagation of mechanical excitement of the heart.

Abstract: An ultrasonic diagnostic apparatus disclosed herein comprises an ultrasonic probe which generates an ultrasonic beam, a volume data set collecting unit which collects a plurality of volume data sets corresponding to a plurality of three-dimensional scan ranges via the ultrasonic probe, the plurality of three-dimensional scan ranges partly overlapping one another, a region of interest setting unit which sets, in accordance with a user instruction, a region of interest on a first tomogram generated from particular one of the plurality of volume data sets, a tomogram generating unit which generates the first tomogram from the particular volume data set and also generates a second tomogram associated with a section including the region of interest from another volume data set corresponding to the three-dimensional scan range including the region of interest, and a display unit which displays the first tomogram and the second tomogram.

Abstract: Provided is a zoom lens system, sequentially arranged in an order from an object side to an image side, including: a first lens group having a positive refractive power; a second lens group having a negative refractive power; an aperture stop; a third lens group having a positive refractive power; a fourth lens group having a positive refractive power; and a fifth lens group having a positive refractive power, wherein each of the second lens group, the third lens group, and the fourth lens group has an anomalous dispersion ?Pct of ?0.1 or less.

Abstract: Using three-dimensional mapping images at different time phases obtained by mapping motion information, a peak value of motion information in a local region is retrieved in each of the time phases. On the basis of the result, a locus line or the like indicative of fluctuations with time in the local peak region is generated and displayed so as to be, for example, superimposed on a mapping image. By observing the locus line on the mapping image displayed, the observer can directly grasp the state of the space-time propagation of mechanical excitement of the heart.

Abstract: A communication relay device that is situated between a corresponding communication node and a bus in a communication network in which a plurality of communication nodes mutually perform a data communication through the bus. A storage configured to store therein pieces of identification information that are likely to be included in data transmitted by the corresponding communication node. A processor configured to perform first authentication processing between the communication relay device and a management device that is connected to the bus, and to perform second authentication processing according to a result of comparing identification information included in data transmitted by the corresponding communication node with the pieces of identification information stored in the storage. A transceiver configured to report, to the management device, a result of the second authentication processing when the first authentication processing has been successful.

Abstract: Using three-dimensional mapping images at different time phases obtained by mapping motion information, a peak value of motion information in a local region is retrieved in each of the time phases. On the basis of the result, a locus line or the like indicative of fluctuations with time in the local peak region is generated and displayed so as to be, for example, superimposed on a mapping image. By observing the locus line on the mapping image displayed, the observer can directly grasp the state of the space-time propagation of mechanical excitement of the heart.

Abstract: An ultrasonic diagnostic apparatus according to an embodiment comprises an ultrasonic probe, image generation circuitry, and processing circuitry. The ultrasonic probe performs ultrasonic scanning on a two-dimensional region of a subject. The image generation circuitry generates ultrasonic image data corresponding to the two-dimensional region. The processing circuitry calculates a characteristic amount of a structure that is detected from each of a plurality of pieces of ultrasonic image data generated by the ultrasonic scanning at different positions. The processing circuitry outputs information based on a comparison result of the calculated characteristic amounts.

Abstract: The average velocity of a tissue is calculated for each frame in accordance with compression/release, and a reference waveform is generated by using the calculated velocity. A time phase in which the average velocity becomes 0 is specified by the reference waveform. In strain computation, time integration is performed for strain computation in a compression period or a release period with reference to the specified stationary time phase. This can properly and automatically visualize how the contraction of the tissue is accumulated from the start of compression or the contraction of the tissue becomes maximum in a compression end time phase in a compression period and how the tissue expands from the start of release or the expansion of the tissue becomes maximum in a release end time phase in a release time phase.

Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes a plurality of types of databases for detecting a contour position of a predetermined region of an object, input interface circuitry, and detection circuitry. The input interface circuitry designates a database, of the plurality of databases, which is desired by a user. The detection circuitry detects a contour position of the predetermined region on an ultrasonic image as an input image by using the designated database.

Abstract: A medical diagnostic imaging apparatus according to an embodiment includes control circuitry. The control circuitry obtains three-dimensional medical image data of acquiring an area of an object. The control circuitry defines a setting region on the three-dimensional medical image data. The control circuitry divides the setting region into a region of interest and a region other than that by at least a single boundary position. The control circuitry generates, from the three-dimensional medical image data, an image in which the region of interest and the region other than that are distinguished from each other. The control circuitry calculates information about at least one of a volume of and a motion index of the region of interest. The control circuitry displays the calculated information for the region of interest in the image.

Abstract: A medical diagnostic imaging apparatus according to embodiments includes storage circuitry and processing circuitry. The storage circuitry stores therein volume data concerning a three-dimensional region inside an object. The processing circuitry calculates an index value concerning a region of interest in the volume data, and generates a first medical image and a second medical image based on the index value. The respective positions in the first medical image and the second medical image are associated with each other by a certain coordinate conversion. The region of interest is divided into a plurality of first regions by a first boundary position. The second medical image is divided into a plurality of second regions by a second boundary position that is not altered in accordance with the alteration of the first boundary position.

Abstract: A medical diagnosis apparatus of embodiments includes a scanner and processing circuitry. The scanner configured to scan a three-dimensional region including a target region and acquire data of the three-dimensional region. The processing circuitry is configured to discretely arrange fixed points framing three-dimensional shape of the target region in a first medical image based on the data. The processing circuitry is configured to set a boundary of region of interest (ROI) on the three-dimensional shape of the target region according to a position of the fixed point. The processing circuitry is configured to receive an instruction to change a position of the boundary from an input device controlled by a user. The processing circuitry is configured to change the position of the boundary based on a position or positions of at least one of the fixed points according to the instruction while maintaining positions of the fixed points.

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: In the case where a tracking process of a moving tissue performing a contraction movement and an expansion movement and represented by a cardiac wall is performed for one heartbeat from the ED1 to the ED2, a contour position (tracking point) initially set at the ES (End-Systole) is tracked until ED1 in accordance with movement information, the tracking point is rearranged and a position of a middle layer is set at the ED (End-Diastole), the rearranged tracking point including the position of the middle layer is tracked in accordance with the movement information already obtained, and then the tracking point is further tracked in the normal direction until the ED2.

Abstract: Provided is a zoom lens system, sequentially arranged in an order from an object side to an image side, including: a first lens group having a positive refractive power; a second lens group having a negative refractive power; an aperture stop; a third lens group having a positive refractive power; a fourth lens group having a positive refractive power; and a fifth lens group having a positive refractive power, wherein each of the second lens group, the third lens group, and the fourth lens group has an anomalous dispersion ?Pct of ?0.1 or less.

Abstract: A medical diagnostic imaging apparatus includes identification-information-changing circuitry and comparison-result-calculating circuitry. The identification-information-changing circuitry changes identification information given to a plurality of points corresponding to contours of tissue in first medical-image-data in a first medical-image-data group each including a plurality of pieces of medical-image-data of different time phases.

Abstract: An ultrasonic diagnostic device includes transmission circuitry, reception circuitry, and signal processing circuitry. The transmission circuitry causes an ultrasonic probe including a plurality of elements to transmit plane waves at a plurality of different deflection angles. The reception circuitry generates reception signal groups based on reflection waves that the individual elements included in the probe receive in response to the transmission of the plane waves.