Abstract: When generating a measurement plan for measuring X-ray CT that performs X-ray irradiation while rotating a test object, and in doing so acquires projection image data, reconstructs volume data from the projection image data, and measures a targeted measurement location in the volume data, the present invention calculates required measurement accuracy and a measurement field of view range based on tolerance information included in CAD data of the test object and a measurement location on the test object defined by a measurement operator ahead of time, and automatically generates, from this information, an optimized measurement plan that minimizes the number of measurements.

Abstract: An interferometer grating support (118) of an imaging system (100) configured for grating-based x-ray imaging includes at least two elongate supports (302) separated from each other by a non-zero distance, wherein the at least two elongate supports have a first end (312) and a second end (316). The grating support further includes a first arc shaped grating (202) affixed to the first end and a second arc shaped grating (204) affixed to a second end (316). A non-transitory computer readable medium is configured with computer executable instructions which when executed by a processor of a computer cause the processor to: move a grating support, which supports G0 and G1 gratings of an interferometer and a bowtie filter, into a region between a low energy photon filter and a beam collimator, which are between a radiation source and an examination region, for a grating-based x-ray imaging scan.

Abstract: A method for calibrating an X-ray system having a radiation source and a radiation detector has the steps of establishing a kinematic model for at least one position, setting starting values, calibrating and solving a system of equations by means of minimizing. The system of equations is set up by the respective established kinematic model of the X-ray system, wherein the system of equations has respective sets of kinematic parameters for each position, and parameters to be calibrated which are usually equal over all the positions. In the step of setting the starting values, the parameters to be calibrated are set and, based on these, in the step of calibrating, at least one recording is taken by means of calibration bodies so that a comparison of the measuring results to respective references results in an error measure. This error measure is minimized when solving the system of equations.

Abstract: Disclosed herein is an apparatus comprising: a radiation absorption layer comprising an electrode; a counter; a controller configured to cause a number registered by the counter to change, in response to an absolute value of an electrical signal on the electrode equaling or exceeding an absolute value of a second threshold during a time delay that is started from a time at which the absolute value of the electrical signal equals or exceeds an absolute value of a first threshold.

Abstract: A phase contrast X-ray imaging system includes an X-ray source; a plurality of gratings; a detector; a grating movement mechanism; and an image processor that generates a phase contrast image. The image processor generates the phase contrast image by using a pitch of an intensity change and a function which has the pitch as a variable and expresses the intensity change in a pixel value as a grating moves.

Abstract: The present disclosure provides a radiation detection system, a radiation output device, and a radiation detection device. The radiation detection system includes a radiation output device having a radiation generation unit and an output control unit that controls output of radiation, and a radiation detection device having a radiographic image detector that detects radiation output from the radiation output device, and a recognition unit that recognizes whether radiation has been output from the radiation output device on the basis of a radiation detection signal output from the radiographic image detector. The output control unit causes radiation with a preset waveform pattern to be output from a time point of the start of outputting of the radiation, and the recognition unit recognizes the waveform pattern, thereby recognizing the start of outputting of the radiation.

Abstract: Controlling a multi-device module includes a physiological sensor configured to sense physiological characteristics of a subject and generate a signal indicative of an instantaneous physiological state. A first device is configured to generate a first signal indicative of an operating state of the first device. A second device is configured to generate a second signal indicative of an operating state of the second device. A remote-control device includes a repository for storing computer executable files aggregated from a plurality of changing private networks. The remote-control device includes an electronic record (ER) client to make a wireless connection with each of the private networks and to query ER database associated with the private networks for electronic records residing within the private networks.

Abstract: A system including initialization, imaging, alignment, processing, and setting modules. The initialization module obtains patient parameters for a patient and procedure and surgeon parameters. The initialization module selects first settings for an x-ray source based on the patient, procedure, and surgeon parameters. The image module obtains a first sample set of images of a region-of-interest of the patient and a master sample set of images. The first sample set was acquired as a result of the x-ray source operating according to the first settings. The alignment module aligns the first sample set to the master sample set. The processing module processes pixel data corresponding to a result of the alignment based on a pixel parameter or one of the patient parameters. The setting module adjusts the first settings to provide updated settings. X-ray dosage associated with the updated settings is less than x-ray dosage associated with the first settings.

Abstract: A digital radiographic detector system includes a number of DR detectors enclosed by a housing. A base section with wheels has attached thereto a vertical column with a height adjustable horizontal arm extending therefrom. The housing with DR detectors therein is attached to a distal end of the horizontal arm. The housing comprises a major surface made from a radiolucent material to allow the detectors to capture radiographic images via x-rays transmitted through the major surface of the housing. The housing is configured to support the plurality of DR detectors therewithin.

Abstract: An x-ray target, x-ray source, and x-ray system are provided. The x-ray target includes a thermally conductive substrate comprising a surface and at least one structure on or embedded in at least a portion of the surface. The at least one structure includes a thermally conductive first material in thermal communication with the substrate. The first material has a length along a first direction parallel to the portion of the surface in a range greater than 1 millimeter and a width along a second direction parallel to the portion of the surface and perpendicular to the first direction. The width is in a range of 0.2 millimeter to 3 millimeters. The at least one structure further includes at least one layer over the first material. The at least one layer includes at least one second material different from the first material. The at least one layer has a thickness in a range of 2 microns to 50 microns. The at least one second material is configured to generate x-rays upon irradiation by electrons.

Abstract: A radiation image capturing apparatus maintains previous image capturing position data stored in an image capturing position data storage unit 15 of a control unit 13 when a setting of a reference position of a long-length imaging region and the number of images to be captured are not changed. On the other hand, the radiation image capturing apparatus clears the previous image capturing position data stored in the image capturing position data storage unit 15 of the control unit 13 when either a setting of a reference position of a long-length imaging region or the number of images to be captured is changed. Then, the control unit 13 temporarily prohibits X-ray image capturing, and a warning display unit 16 causes a display unit 11 to display a display prompting input of image capturing position data for subsequent long-length image capturing. This display is kept displayed until an operator inputs image capturing position data for subsequent long-length image capturing.

Abstract: The present invention relates to a system and apparatus comprising automated analysis and feedback on soft tissue imaging quality, including analysis and feedback in real time and in conformance with key parameters and metrics which affect the quality of an image. The system is arranged to implement a method wherein method for providing a qualitative and/or quantitative assessment of an image including several steps. The steps include using an imaging apparatus to obtain at least one soft tissue image of a patient and at least one test object image; deriving a soft tissue image parameter and statistical data from image data from the soft tissue image. The system and method are characterised by employing a metric for the assessment in comparison to the parameter and statistical data, wherein the metric is obtained from the soft tissue image data, data obtained from the at least one test object image, and data from the imaging apparatus.

Abstract: A radiation detector assembly is provided that includes a semiconductor detector, plural pixelated anodes, and at least one processor. The semiconductor detector has a surface. The plural pixelated anodes are configured to generate a primary signal responsive to reception of a photon by the pixelated anode and to generate at least one secondary signal responsive to an induced charge caused by reception of a photon by at least one surrounding anode. The at least one processor is configured to: acquire a primary signal from one of the anodes responsive to reception of a photon; acquire at least one secondary signal from at least one neighboring pixel of the one of the anodes, the at least one secondary signal defining a negative value; and determine an energy correction factor for the reception of the photon using the negative value of the at least one secondary signal.

Abstract: An image processing device and method for reducing the risk of a failure to detect a foreign object provided. The image processing device is configured for processing an image based on an X ray having propagated through an inspection target having a foreign object. The image processing device includes a storage section configured to store respective first pixel values of a plurality of pixels that form the image; a pixel value computing section configured to calculate respective second pixel values of the plurality of pixels on a basis of the first pixel values; and a pixel value integrating section configured to integrate respective second pixel values of a group of pixels belonging in a continuous region. The method includes steps of storing the respective first pixel values, calculating the respective second pixel values, and integrating respective second pixel values of a group of pixels belonging in a continuous region.

Abstract: A radiographing apparatus includes a radiation detection panel that detects radiation, a casing that encloses the radiation detection panel, and a wireless power reception portion. The casing includes an entrance portion via which radiation enters, a bottom portion arranged on the opposite side of the entrance portion, and a plurality of side portions. The casing also includes a connection portion that continuously connects the bottom portion and the side portions at a position located inside a first extension plane, which is an extension of the surface of the bottom portion, and a second extension plane, which is an extension of the surface of the side portions. The wireless power reception portion is arranged at the connection portion.

Abstract: An X-ray imaging apparatus with an interferometer (IF) and an X-ray detector (D). A footprint of the X-ray detector (D) is larger than a footprint of the interferometer (IF). The interferometer is moved in scan motion across the detector (D) whilst the detector (D) remains stationary. Preferably the detector is a 2D full field detector.

Abstract: An X-ray imaging system for reconstructing X-ray spectra includes an integrating detector and a measurement mask, including at least one physical filter, positioned between the integrating detector and an X-ray source spectrum. The integrating detector receives a masked X-ray spectrum after the source spectrum has been filtered in accordance with the measurement mask. As a result of the measurement mask containing one or more physical filters being combined, a measurement mask having energy band-pass regions can be generated, to cover the source spectrum. Measured data, based on the masked X-ray spectrum and characteristics of the measurement mask, is collected from the integrating detector. The X-ray imaging system reconstructs an X-ray spectrum and generates the reconstructed X-ray spectrum based on applying a predetermined algorithm, such as total variation minimization reconstruction, to the measured data.

Abstract: A medical apparatus according to an embodiment includes an acquirer, a corrector, an identifier, and an output controller. The acquirer is configured to acquire a fluoroscopic image of an object from an imager. The corrector is configured to correct an image of one or more predetermined regions used for identifying a target position of the object in the fluoroscopic image based on one or more correction values but does not correct an image of at least a part of a region out of the predetermined region in the fluoroscopic image. The identifier is configured to identify the target position based on an image corrected by the corrector. The output controller is configured to output an irradiation permission signal to a therapeutic device which irradiates the object with a therapeutic beam based on the target position identified by the identifier.

Abstract: The disclosure relates to a system and method for adapt a treatment plan. The method may include: obtaining an initial treatment plan of a region of interest, wherein the initial treatment plan includes a first initial treatment fraction and a second initial treatment fraction; causing a radiation treatment device to deliver the first initial treatment fraction; obtaining a treatment record related to the first initial treatment fraction; and generating an updated second treatment fraction based on the second initial treatment fraction and the treatment record.

Abstract: An imaging device including a gantry defining an analysis zone and a circular trajectory of extension extending around a central axis. The gantry includes an acquisition unit having at least a detector suitable to receive said radiation after said radiation has passed through the analysis zone, and a casing defining a housing volume for the detector and including a curved base module and a curved mobile module movable relative to the curved base module so as to vary the angular extension of the casing. A carriage is housed in the housing volume to which the image acquisition unit is attached. There is a base guideway integral with the curved base module defining a base sliding trajectory for the carriage in the curved base module, and a mobile guideway integral with and inside the curved mobile module and defining a mobile sliding trajectory for the carriage in the curved mobile module.

Abstract: A method for radiation therapy treatment verification includes, acquiring treatment plan information from a radiation therapy system, patient image data, and transit image data received from an electronic portal imaging device during radiation therapy. The treatment plan information is divided into a plurality of segments. Predicted segment image data is determined utilizing a predicted image calculation algorithm and at least the patient image data and the treatment plan information. A predicted integrated image is determined through superposition of the predicted segment image data. Measured segment responses are determined from the transit image data utilizing the predicted segment image data and the predicted integrated image. The measured segment responses are converted to measured segment doses. A measured dose map having a sum of the measured segment doses is compared to a planned dose map based on the treatment plan information to assess radiation treatment delivery.

Abstract: A radiation imaging apparatus that communicates via wired communication with an irradiation control apparatus includes a radiation detection unit that detects incident radiation and obtains a moving image related to the radiation, and an imaging control unit that, in a first case where the wired communication is disconnected in a moving image capturing state in which the moving image is captured, performs control to set the moving image capturing state, and in a second case where the wired communication is disconnected not in the moving image capturing state and moving image capturing is set as next imaging, performs control to set a moving image standby state that is a standby state for the moving image capturing.

Abstract: A mobile radiography imaging system comprising a portable radiation source adapted to move in all degrees of freedom; a portable detector operable to detect the radiation from the radiation source, wherein the detector is adapted to move independently of the radiation source in all degrees of freedom; and wherein the radiation source and the detector each includes an alignment sensor in communication with a computer; wherein the computer is in communication with the radiation source and the detector; and wherein the position and orientation of the radiation source and the detector are established by the computer, and wherein the computer sends an activation signal to the radiation source to indicate when radiation may be emitted. In a preferred embodiment, the radiation source is prevented from emission of radiation until the detector and the radiation source have achieved predetermined alignment conditions.

Abstract: In a first scenario, a third switch is opened when a first switch is opened to turn off the power supply provided to a device main body and a second switch is short-circuited. The third switch is opened as a result of the power supply provided to the main body controller being stopped. In a second scenario, the third switch is opened when the device main body is in a running state, the first and second switches are short-circuited, when a trolley is moved between hospital rooms. Whether or not the device main body is in a running state is recognized as a result of a lock unit sending a signal to the main body controller, said signal indicating that an arm has come in contact with the lock unit and the arm is arranged at a fixed position where the arm should be arranged when moving the trolley.

Abstract: The present invention relates to a grating in X-ray imaging. In order to provide a grating with a facilitated stabilization, a grating (10) for X-ray imaging is provided that comprises a grating structure (12) with a first plurality of bar members (14) and a second plurality of gaps (16). A fixation structure (18) is arranged between the bar members to stabilize the grating bar members. The bar members are extending in a length direction (20) and in a height direction (22). The bar members are also spaced from each other by one of the gaps in a direction transverse to the height direction. The gaps are arranged in a gap direction parallel to the length direction. The fixation structure comprises a plurality of bridging web members (24) that are provided between adjacent bar members. Further, the web members are longitudinal web members that are extending in the gap direction and that are provided in an inclined manner in relation to the height direction. The inclination is provided in the gap direction.

Abstract: Imaging systems having counterweights are provided. The counterweights may be operably coupled to one or more lens elements and may be configured to maintain a stability of the imaging system.

Abstract: A radiographic imaging device includes: a radiation detector including plural pixels, each including a sensor portion and a switching element; a detection unit that detects a radiation irradiation start if an electrical signal caused by charges generated in the sensor portion satisfies a specific irradiation detection condition, and/or if an electrical signal caused by charges generated in a radiation sensor portion that is different from the sensor portion satisfies a specific irradiation detection condition; and a control unit that determines whether or not noise caused by external disturbance has occurred after the detection unit has detected the radiation irradiation start, and if the noise has occurred, that stops a current operation of the radiation detector, and causes the detection unit to perform detection.

Abstract: A data processing method includes reading first to-be-processed data from a first storage unit into a second storage unit, computing a processing result according to the first to-be-processed data stored in the second storage unit, and, while computing the processing result, reading second to-be-processed data from the first storage unit. The first to-be-processed data is at a first layer of one or more image pyramids having a plurality of layers, and the second to-be-processed data is at a second layer of the one or more image pyramids.

Abstract: A radiation image capturing system includes a processing unit that determines at least three distances between at least one first distance sensor provided at a radiation generation unit and at least three second distance sensors provided at a detection unit based on one or more signals emitted by the first distance sensor, and that determines an orientation of the radiation generation unit and the detection unit relative to each other based on inclination information provided by a first sensor unit provided at the radiation generation unit and a second sensor unit provided at the detection unit. Alternatively, the processing unit determines distances between at least three first distance sensors provided at the radiation generation unit and at least three second distance sensors provided at the detection unit based on signals emitted by the at least three first distance sensors to determine an orientation of the radiation generation unit and the detection unit relative to each other.

Abstract: A control unit of a console functions as an acquisition unit that acquires a radiographic image and imaging conditions in which the radiographic image has been captured. In addition, the control unit functions as a derivation unit that derives the amount of signal included in the radiographic image on the basis of a primary radiation distribution of the radiographic image derived on the basis of the imaging conditions or on the basis of the imaging conditions and a body thickness distribution of an object in the radiographic image and outputs the ratio of the derived amount of signal to the amount of noise included in the radiographic image as an index value of the amount of radiation emitted in the capture of the radiographic image.

Abstract: A dynamic image processing system including a hardware processor that extracts a heart region from a chest dynamic image which is obtained by radiation imaging of a dynamic state at a chest, extracts a density waveform for each pixel in the extracted heart region, determines an extraction target candidate region of blood flow information based on the extracted density waveform for each pixel, and sets an extraction target region of the blood flow information in the determined extraction target candidate region of the blood flow information.

Abstract: A radiography system for a patient comprising an electromagnetic radiation generator, an electromagnetic radiation detector, a generator support, and a detector support. The generator support moves the generator according to a generator sequence specific to the patient. The detector support moves the detector according to a detector sequence specific to the patient.

Abstract: A detection substrate, a ray imaging device, and a method for driving a detection substrate are provided. The detection substrate includes a base substrate; a plurality of sensing TFTs; a plurality of signal read lines; a compensation TFT row including a plurality of compensation TFTs, wherein a first electrode of each of the compensation TFTs is electrically connected to the same signal read line as first electrodes of the sensing TFTs in corresponding sensing TFT column. As for the sensing TFTs and the compensation TFT electrically connected to the same signal read line, the first electrodes of both the sensing TFTs and the compensation TFT are source electrodes or drain electrodes, source-drain directions of the sensing TFTs are consistent with one another, and a source-drain direction of the compensation TFT is opposite to each of the source-drain directions of the sensing TFTs.

Abstract: Provided inside a trolley are: a battery (1); a switchgear (2) arranged in a main path connecting a load (100) to the battery (1); a control circuit (7) controlling the load (100) and connected to the main path; a startup switch (4) opened and closed by operation of a key (29); and a startup circuit (5) that is connected to the battery (1) and activates the switchgear (2). Electric power supplied from the battery (1) to the startup circuit (5) and the control circuit (7) are respectively converted by a startup DC-DC converter (3) and a control DC-DC converter (6) to a voltage that activates the startup circuit (5) and the control circuit (7). When the device is in a sleep mode, electric power supply is received from the startup DC-DC converter (3) and a startup circuit connection relay (55) detects input from an operation switch (30) and operates.

Abstract: This X-ray phase difference imaging system (100) includes an X-ray source (1), a plurality of gratings, a detector (4), and an image processor (6), in which the image processor (6) is configured to correct an artifact of a second phase contrast image (10b) that is reconstructed by using a first X-ray image (9a) and a third X-ray image (9c), on the basis of a first phase contrast image (10a) that is reconstructed by using the first X-ray image (9a) and a second X-ray image (9b).

Abstract: A method includes determining a first set of positions for a volumetric imager and determining a second set of positions for a linear accelerator (LINAC), during radiation treatment delivery. The method further includes determining a set of radiation beam directionalities of the LINAC, wherein for each of the second set of positions for the LINAC a radiation beam corresponds to a radiation beam directionality. The method further includes generating instructions for the volumetric imager based on the first and the second set of positions, the radiation beam directionalities, and a treatment time constraint to avoid a collision between the volumetric imager and the LINAC and between the volumetric imager and the radiation beam, wherein the instructions include physical locations of the volumetric imager and timing values corresponding to the physical locations. The method further includes operating the volumetric imager during the radiation treatment delivery according to the set of instructions.

Abstract: A radiation imaging apparatus, comprising a radiation source configured to generate radiation, an image capturing unit configured to perform image capturing by detecting the radiation, and a processing unit configured to be communicable with the image capturing unit, wherein the processing unit performs a first operation which evaluates response time in communication with the image capturing unit, and a second operation which sets a control timing of the radiation source based on an evaluation result of the response time obtained in the first operation.

Abstract: A radiation imaging apparatus acquires image data by detecting radiation emitted by a radiation generation apparatus, manages a time in the radiation imaging apparatus, generates a synchronization control message to be transmitted to synchronize a time managed by an irradiation control apparatus configured to control radiation irradiation by the radiation generation apparatus with the managed time, and transmits the image data and the synchronization control message, wherein the synchronization control message is transmitted with priority over the image data.

Abstract: An X-ray inspection apparatus includes: an X-ray emission unit for emitting an X-ray to an object; an X-ray detection unit for detecting each X-ray photon transmitted through the object by discriminating energy possessed by the photon into one or more energy region(s) in accordance with a predetermined threshold level; a storage unit for storing the object and the associated threshold level; a threshold level setting unit for referring to the storage unit to keep a threshold level for the object specified by inputted information so that the X-ray detection unit can refer to the threshold level as the predetermined threshold level; and an inspection unit for inspecting the object based on a number of photons or an amount corresponding to the number of the photons detected by the X-ray detection unit for each of the one or more energy region(s).

Abstract: A method and apparatus are disclosed for ensuring correct positioning for a radiography recording. The method includes providing an examination request of the body region; pre-positioning the body region in the radiography system for the radiography recording; pre-positioning at least one of a recording unit of the radiography system and an image detector of the radiography system for the radiography recording; producing a positioning recording of the body region via the radiography system, the radiography system being switched into the fluoroscopy mode and the positioning recording being a fluoroscopy recording; producing positioning information from the positioning recording; and outputting the positioning information.

Abstract: An image processing apparatus 3 is provided with a hardware processor that acquires first image data and second image data which is different from the first image data from among a plurality of pieces of image data, detects a width in a direction orthogonal to a direction in which a first image based on the acquired first image data and a second image based on the second image data are arranged side by side, corrects, when the detected width of the first image is different from the width of the second image, at least one piece of image data of the first image data and the second image data so that the widths of both pieces of image data come closer to each other, and combines a plurality of pieces of image data including the corrected image data to thereby generate one piece of lengthy image data.

Abstract: A computer-assisted imaging and localization system assists the physician in positioning implants and instruments into a patient's body. The system displays overlapping images—one image of the surgical site with the patient's anatomy and another image showing the implant(s) or instrument(s). The overlapping image of the implant/instrument is moved over the static image of the anatomy as the implant/instrument is moved. These moving image of the implant/instrument can be an unaltered image or an image altered to intensify or mitigate the anatomical or non-anatomical aspects of the moving image. Sliding these images over one another helps the surgeon in positioning devices or instruments with a high degree of accuracy and with a limited number of additional x-rays.

Abstract: X-ray generation tube includes electron gun, and anode having target to generate X-rays upon collision with electrons from the electron gun. The electron gun includes cathode having electron emitting portion, extraction electrode to extract the electrons from the electron emitting portion, and focusing electrode to focus the extracted electrons. The focusing electrode includes first portion having tubular shape, and second portion arranged inside the first portion. The first portion includes distal end facing the anode, the second portion includes opposing surface facing the anode, and the opposing surface includes electron passage hole through which the electrons from the electron emitting portion pass. Distance between the distal end and the anode is shorter than that between the opposing surface and the anode. Thermal conductivity of the distal end is lower than that of the second portion.

Abstract: An X-ray detector includes a substrate, plural signal lines, plural scan lines, plural sensing units, and a first active device. The signal lines are disposed on the substrate. The scan lines are disposed on the substrate and intersecting with the signal lines. The sensing units are electrically connected to the signal lines and the scan lines. The first active device has a first terminal, a second terminal, and a control terminal configured to modulate a conduction between the first terminal and the second terminal. The first terminal of the first active device is connected to a first one of the signal lines, and the second terminal of the first active device is connected to a second one of the signal lines.

Abstract: A method and system is provided for automatically determining a key image for display to a user as part of analyzing an image study generated as part of a medical imaging procedure. The system includes a memory storing a plurality of image studies, a display device for displaying images and an electronic processor interacting with the memory and the display device. The electronic processor is configured to determine a first key image within a plurality of images included in a first image study and to automatically determine, by executing one or more rules associated with one or more of the first key image, a user, a type of the first image study, a modality generating the first image study, an anatomy, a location of the modality, and patient demographics, a second key image included in at least one second image study. The system displays the second key image with the first key image to aid a user.

Abstract: A system and method for automating programming of an industrial use x-ray inspection machine, utilizing an artificial intelligence (AI) engine in both a navigator level and planner level stage of an x-ray parts inspection machine, the AI engine performing at least one of identifying and classifying a sample, assessing location(s) to be inspected on the sample, and implementing a test criteria for each assessed location on the sample. The AI engine removes the typical interactions and setup procedures performed by the machine operator, thus enabling a higher degree of system automation and accuracy.

Abstract: An imager panel for an x-ray detector for obtaining x-ray images of an object is provided that includes a first portion disposed at the center of the hybrid imager panel that can produce images of a first resolution and a second portion disposed at least partially around the first portion that is capable of producing images of a second resolution. The hybrid imager panel provides a hybrid detector that can be selectively operated to obtain images of varying resolutions corresponding to the first resolution from the first portion, the second resolution from the second portion or a combination thereof.

Abstract: Systems and methods for moderating saturation in an image containing two or more levels of exposure. The present invention provides a filter and image processing to enable adjusting of the image in a region of interest (ROI) and/or adjusting the image outside of the ROI to provide a non-saturated image.

Abstract: Disclosed herein is an apparatus comprising: a radiation absorption layer comprising an electrode; a counter configured to register a number of radiation particles absorbed by the radiation absorption layer; a controller configured to start a time delay from a time at which an absolute value of an electrical signal on the electrode equals or exceeds an absolute value of a first threshold; wherein the controller is configured to cause the number registered by the counter to change, in response to the absolute value of the electrical signal equaling or exceeding an absolute value of a second threshold during the time delay.

Abstract: Provided is a radiation imaging apparatus including: a radiation detector configured to generate a first radiographic image and a second radiographic image based on a radiation; a scattered radiation reduction unit configured to reduce a scattered radiation component from the first radiographic image and the second radiographic image; a position alignment unit configured to perform position alignment on the first radiographic image and the second radiographic image, using the first radiographic image and the second radiographic image from which the scattered radiation component has been reduced; and a combining unit configured to combine the first radiographic image and the second radiographic image that have been subjected to the position alignment.