Abstract: A solid-state imaging device includes a pixel having a photoelectric conversion element which generates a charge in response to incident light, a first transfer gate which transfers the charge from the photoelectric conversion element to a charge holding section, and a second transfer gate which transfers the charge from the charge holding section to a floating diffusion. The first transfer gate includes a trench gate structure having at least two trench gate sections embedded in a depth direction of a semiconductor substrate, and the charge holding section includes a semiconductor region positioned between adjacent trench gate sections.

Abstract: A radiographic image processing device includes: an image acquisition section that acquires a subject image detected by a shielded detection portion and a non-shielded detection portion; an area information acquisition section that acquires area information which is information for specifying a non-shielded image area and a shielded image area; and a scattered ray suppression section that estimates spreading of scattered rays generated in a non-shielded subject portion, estimates that scattered rays that spread to the non-shielded image area from a shielded subject portion are not present, calculates a scattered ray component in each position in the non-shielded image area as the estimated scattered rays reach each position in the non-shielded image area, and suppresses the scattered ray component in each position in the non-shielded image area according to the calculated scattered ray component.

Abstract: An engine control device for controlling an engine based on a vehicle operating state is provided, that includes a basic target torque determinator for setting a vehicle target acceleration based on an accelerator pedal operation and determining a basic target engine torque based on the vehicle target acceleration, a torque reduction demand determinator for determining whether an engine torque reduction is demanded based on the vehicle operating state other than the accelerator pedal operation, a torque reduction amount determinator for determining an engine torque reduction amount according to the operating state when the torque reduction is demanded, a final target torque determinator for determining as a final target torque an engine torque calculated by subtracting the torque reduction amount from the basic target torque when the torque reduction is demanded, and an engine controller for controlling the engine so as to output the final target torque.

Abstract: An engine control device is provided, that includes an air amount controller, an ignition timing controller, a basic target torque determinator which determines a basic target torque, a change rate acquirer for acquiring a change rate of a steering operation, a target additional deceleration setter for increasing a target additional deceleration while an increase rate thereof becomes less as the change rate increases, a torque reduction amount determinator for determining an engine torque reduction amount, a final target torque determinator for determining a final target torque, and an actual air amount estimator for estimating an actual air amount introduced into a combustion chamber. The air amount controller determines a target air amount and controls the intake air amount to achieve the target air amount. The ignition timing controller retards the ignition timing more as the actual air amount becomes more excessive with respect to the target amount.

Abstract: A radiographic image processing device includes: an image acquisition section that acquires a subject image detected by a shielded detection portion and a non-shielded detection portion; an area information acquisition section that acquires area information which is information for specifying a non-shielded image area and a shielded image area; and a scattered ray suppression section that estimates spreading of scattered rays generated in a non-shielded subject portion, estimates that scattered rays that spread to the non-shielded image area from a shielded subject portion are not present, calculates a scattered ray component in each position in the non-shielded image area as the estimated scattered rays reach each position in the non-shielded image area, and suppresses the scattered ray component in each position in the non-shielded image area according to the calculated scattered ray component.

Abstract: A contrast calculating unit calculates a contrast of a high frequency component and a contrast of a low frequency component of a transformed radiographic image at an analysis point set by an analysis point setting unit. A ratio calculating unit calculates a ratio of the contrast of the high frequency component to the contrast of the low frequency component. A determining unit determines whether or not there is a body motion during an imaging operation to take the radiographic image based on the ratio. A display control unit displays a result of the determination on a display unit.

Abstract: An image obtainment unit obtains plural radiographic-images generated by arranging plural storable-phosphor-sheets in such a manner that at least portions of the sheets are overlapped with each other in an irradiation direction of radiation, by arranging a marker at a position to be detected by the plural sheets, and by detecting the radiation that has passed through a subject and the marker by each of the plural sheets. A first-information obtainment unit obtains first-information representing a distance between detection surfaces of the plural sheets. A second-information obtainment unit obtains second-information representing a magnification ratio of a second marker image of the marker included in a radiographic- image obtained by a second sheet with respect to a marker image of the marker included in a radiographic-image obtained by a first sheet of the plural sheets. A distance calculation unit calculates, based on the first and the second information, a radiation-source-to-image-surface distance.

Abstract: A solid-state imaging device includes a pixel having a photoelectric conversion element which generates a charge in response to incident light, a first transfer gate which transfers the charge from the photoelectric conversion element to a charge holding section, and a second transfer gate which transfers the charge from the charge holding section to a floating diffusion. The first transfer gate includes a trench gate structure having at least two trench gate sections embedded in a depth direction of a semiconductor substrate, and the charge holding section includes a semiconductor region positioned between adjacent trench gate sections.

Abstract: A contrast calculating unit calculates, as each of a contrast of a high frequency component and a contrast of a low frequency component of a transformed radiographic image, a contrast in a gradient direction of an edge portion in an analysis region with each of analysis points set by an analysis point setting unit being the center of the analysis region. A ratio calculating unit calculates, for each gradient direction, a ratio of the contrast of the high frequency component to the contrast of the low frequency component. A determining unit determines the smallest ratio as an index indicating the body motion, and determines whether or not there is a body motion during an imaging operation to take the radiographic image based on a result of statistical processing of the indexes at the analysis points. A display control unit displays a result of the determination on a display unit.

Abstract: A frequency decomposition unit performs frequency decomposition for a first radiographic image to acquire a plurality of band images. A scattered radiation removal unit calculates a scattered radiation component that is caused by a subject and is included in a second radiographic image which has a linear relationship with the amount of radiation, using the second radiographic image, and removes the scattered radiation component from the second radiographic image to acquire a scattered-radiation-removed radiographic image. A conversion function determination unit determines a conversion function for converting at least one of the band images according to the scattered radiation component included in the second radiographic image. A reconstruction unit converts the band image, using the conversion function, and generates a converted band image. The reconstruction unit reconstructs the scattered-radiation-removed radiographic image and the converted band image to acquire a processed radiographic image.

Abstract: A radiographic image processing device includes: an image acquisition section that acquires a subject image detected by a shielded detection portion and a non-shielded detection portion; an area information acquisition section that acquires area information which is information for specifying a non-shielded image area and a shielded image area; and a scattered ray suppression section that estimates spreading of scattered rays generated in a non-shielded subject portion, estimates that scattered rays that spread to the non-shielded image area from a shielded subject portion are not present, calculates a scattered ray component in each position in the non-shielded image area as the estimated scattered rays reach each position in the non-shielded image area, and suppresses the scattered ray component in each position in the non-shielded image area according to the calculated scattered ray component.

Abstract: A derivation unit derives imaging conditions corresponding to virtual grid characteristics (grid ratio) received by a receiving unit on the basis of a table stored in a storage unit. The derivation unit sets the derived imaging conditions in a radiation source control unit. The radiation source control unit controls a radiation source on the basis of the set imaging conditions such that a radiographic image is captured. An execution unit of an image processing device acquires the radiographic image captured by the radiation detector through a detector control unit. The execution unit performs a virtual grid process for the acquired radiographic image on the basis of the virtual grid characteristics received by the receiving unit and the imaging conditions derived by the derivation unit to generate a radiographic image from which the influence of scattered radiation has been removed and displays the radiographic image on a display unit.

Abstract: A derivation unit acquires imaging conditions corresponding to order information received by a receiving unit based on a table stored in a storage unit and sets the imaging conditions in a radiation source control unit. The radiation source control unit controls a radiation source based on the set imaging conditions such that a radiographic image is captured. An acquisition unit acquires the actual values of the imaging conditions from the radiation source control unit. The derivation unit derives virtual grid characteristics based on the actual values of the imaging conditions. An execution unit acquires a captured radiographic image through a detector control unit. The execution unit performs a virtual grid process for the acquired radiographic image based on the virtual grid characteristics derived by the derivation unit and the acquired imaging conditions to generate a radiographic image from which the influence of scattered radiation has been removed.

Abstract: In order to assist the interpretation of a radiation image in which an abnormality appears, the invention provides a diagnostic auxiliary image generation apparatus, a diagnostic auxiliary image generation method, and a non-transitory computer readable recording medium recorded with a diagnostic auxiliary image generation program for generating a diagnostic auxiliary image. In a case where a past radiation image is present, a temporal difference image generation unit generates and sets a temporal difference image as a diagnostic auxiliary image only in a case where the projected images of a diagnostic target radiation image and the past radiation image match each other. In a case where a past radiation image is not present or the projected images of a diagnostic target radiation image and a past radiation image do not match each other, a bone-suppressed image generation unit generates and sets a bone-suppressed image as a diagnostic auxiliary image.

Abstract: A solid-state imaging device including a photoelectric conversion element operable to generate electric charge according to the amount of incident light and to accumulate the electric charge in the inside thereof, an electric-charge holding region in which the electric charge generated through photoelectric conversion by the photoelectric conversion element is held until read out, and a transfer gate having a complete transfer path through which the electric charge accumulated in the photoelectric conversion element is completely transferred into the electric-charge holding region, and an intermediate transfer path through which the electric charge generated by the photoelectric conversion element during an exposure period and being in excess of a predetermined charge amount is transferred into the electric-charge holding region. The complete transfer path and the intermediate transfer path are formed in different regions.

Abstract: A frequency resolution unit performs frequency resolution of a radiographic image to generate band images representing frequency components in a plurality of frequency bands. A reference image generation unit generates a reference image representing information associated with scattered radiation included in the radiographic image, and generates a plurality of band reference images corresponding to a plurality of frequency bands from the reference image. A band image conversion unit performs conversion between the corresponding pixels of the band reference images and the band images in the corresponding frequency bands to generate converted band images. A synthesis unit synthesizes the converted band images to generate a processed radiographic image with converted contrast.

Abstract: A radiographic image captured by irradiating a subject with radiation is acquired. A scattered radiation removal unit removes a scattered component from the radiographic image using at least imaging conditions. A correction information acquisition unit acquires correction information for correcting the degree of removal of the scattered component and changes the imaging conditions on the basis of the correction information. The scattered radiation removal unit performs a process of removing the scattered component from the radiographic image on the basis of the changed imaging conditions.

Abstract: It is detected whether a grid stripe is present in a radiographic image. In a case in which the grid stripe is detected, a process of removing the grid stripe from the radiographic image is performed and the radiographic image is displayed. In a case in which the grid stripe is not detected, a process of removing a scattered component from the radiographic image is performed and a radiographic image subjected to the scattered radiation removal process and a radiographic image before the process are displayed.

Abstract: A subject image is acquired. Model information, in which a model image captured by irradiating each of a plurality of models different from the subject with radiation is associated with a body thickness distribution of the model in the model image is acquired for each of the plurality of models. Characteristic information indicating characteristics of the subject image is acquired. Characteristic information indicating the characteristics of each of the plurality of model images is acquired, on the basis of the plurality of model information items. The model image having characteristic information similar to the characteristic information of the subject image is specified. The body thickness distribution associated with the specified model image is determined as the body thickness distribution of the subject image.

Abstract: A distance between a radiation source standard point indicating a position of a radiation source and a photographic subject on a standard line passing through the radiation source standard point and a detector standard point indicating a position of a detector is measured, a distance between a first reference point positioned in a first direction which is directed towards the detector standard point from the radiation source standard point with respect to the detector standard point and the detector standard point is measured, a distance between a second reference point positioned in a direction opposite to the first direction with respect to the radiation source and the radiation source standard point is measured, and a subject thickness of the photographic subject is calculated by using the distances and a distance from the distance from the first reference point to the second reference point.