Abstract: A radiation imaging apparatus includes an imaging unit to capture a radiation image of an object, a discrimination unit to discriminate whether the current imaging mode is a mode of storing radiation images or a mode of storing no radiation image, a first calculation unit to calculate image size information, a second calculation unit to calculate image display region information indicating the size of an image display region, a first decision unit to decide a rotation condition for the rotation of an displayed image, and a second decision unit to decide an enlargement/reduction condition. If discriminated at the start of radiation irradiation that the current mode is the mode of storing no image, the second decision unit decides an enlargement/reduction condition from image size information and image display region information to maximize the ratio of an overall radiation image rotated under the rotation condition decided.

Abstract: A CT detector includes a direct conversion material configured to generate electrical charge upon reception of x-rays, a plurality of metallized anodes configured to collect electrical charges generated in the direct conversion material, at least one readout device, and a redistribution layer having a plurality of electrical pathways configured to route the electrical charges from the plurality of metallized anodes to the at least one readout device. A plurality of switches is coupled to the plurality of electrical pathways between the plurality of metallized anodes and the at least one readout device, wherein each of the plurality of switches includes an input line electrically coupled to one of the plurality of metallized anodes, a first output node electrically coupled to the at least one readout device, and a second output node electrically coupled to at least one other switch of the plurality of switches.

Abstract: An X-ray detector includes a single-layered semiconductor substrate having an array of detection cells which directly convert photons of X-rays into electrical signals; a first data collecting device which collects data with respect to the array of detection cells in a photon counting mode; and a second data collecting device which collects data with respect to the array of detection cells in a current measuring mode.

Abstract: An X-ray imaging apparatus includes an X-ray collimator control unit which controls an X-ray collimator shape, an X-ray irradiation unit which irradiates X-rays in accordance with the X-ray collimator shape, an X-ray imaging unit which receives the irradiated X-rays and acquires a radiograph, a perpendicularity determination unit which determines, on the basis of the comparison between the X-ray collimator shape and the radiograph, whether the X-ray irradiation direction of the X-ray irradiation unit is perpendicular to a light-receiving surface by which the X-ray imaging unit receives the X-rays, and an irradiation control unit which controls X-ray irradiation by the X-ray irradiation unit on the basis of the determination result obtained by the perpendicularity determination unit.

Abstract: In order to ensure the preparation of an undistorted X-ray image of an examination image by an X-ray detector including an active pixel matrix with at least two detector plates, a method is provided. In at least one embodiment, a method for correcting a raw X-ray image includes changing, as a function of a deviation between correction values from pixel readout elements of a first detector plate and correction values from pixel readout elements of at least one further detector plate, the correction values of pixel readout elements of at least one detector plate, or preparing new correction values for the pixel readout elements of at least one detector plate. Further, the method in at least one embodiment includes carrying out a correction of the raw X-ray image with the changed correction values, or a carrying out a correction with the original correction values and the new correction values.

Abstract: A radiographic imaging apparatus that is connectable to a plurality of radiation sensors includes an information acquisition unit configured to acquire information about a radiographing site and a radiographing posture of a subject based on an instruction from an operator, a sensor drive status management unit configured to manage drive statuses of the plurality of radiation sensors, and a sensor selection unit configured to select a radiation sensor to be used in performing radiographing from the plurality of radiation sensors based on the acquired information and drive statuses of the plurality of radiation sensors.

Abstract: A high-voltage (HV) generator of an X-ray device comprises a high-voltage measurement device. The measurement device comprises a compact component integrating both the measurement resistor and the capacitors enabling both the protection of said resistor and the elimination of the parasitic effects of the generator. The capacitors are made on insulating plates preferably made of ceramic, a succession of metallized strips and insulating strips. The plates are positioned relative to one another in such a way that the capacitors are discrete and series-mounted. To do this, between two successive plates, the metallized strips of the bottom plate overlap two metallized strips of the plate directly above.

Abstract: In order to improve the reliability of a radiographic image detection unit and the reliability of a radiographic apparatus, when it is not detected that the radiographic image detection unit is mounted on a support portion or a cooling portion, processing for restricting radiography of a moving image is executed.

Abstract: A portable detector panel includes an X-ray detector assembly having an X-ray detecting surface on its surface, a box-like case that houses the X-ray detector assembly therein and whose upper part that is opposite to the X-ray detecting surface is X-ray transmissive, and a buffer member that is arranged between the inner side wall of the case and the X-ray detector assembly, is made of a hard material, and has a flexible shape with respect to the movement of the X-ray detector assembly in the direction generally parallel to the X-ray detecting surface.

Abstract: An X-ray imaging apparatus and method for reducing X-ray scattering are provided. The X-ray imaging apparatus includes an X-ray source, a collimator, a detector, and a controller. The X-ray source emits X-rays, the collimator collimates the X-rays into an X-ray beam, and the detector may include a two-dimensional array of pixels. The controller controls the collimator such that the X-ray beam scans a subject while moving over time. In addition, the controller operates the detector to only operate pixels at an exposure area of the detector where the X-ray beam arrives without scattering such that photocharges generated due to the X-ray exposure can be accumulated and stored in the pixels.

Abstract: An X-ray imaging apparatus includes: a mobile system console with an X-ray irradiator and a control circuit; and a portable detector panel with an X-ray detector, an interface electronic circuit, and a power supply battery. The system console includes an accommodating section for accommodating the detector panel at the time of nonuse, and the detector panel includes feeding control device for unexecuting and executing feeding to the electronic circuit from the battery according to the accommodation and non-accommodation in the accommodating section, respectively.

Abstract: A radiographic imaging apparatus (10) comprises a primary radiation source (14) which projects a beam of radiation into an examination region (16). A detector (18) converts detected radiation passing through the examination region (16) into electrical detector signals representative of the detected radiation. The detector (18) has at least one temporally changing characteristic such as an offset B(t) or gain A(t). A grid pulse means (64) turns the primary radiation source (14) ON and OFF at a rate between 1000 and 5000 pulses per second, such that at least the offset B(t) is re-measured between 1000 and 5000 times per second and corrected a plurality of times during generation of the detector signals. The gain A(t) is measured by pulsing a second pulsed source (86, 100, 138) of a constant intensity (XRef) with a second pulse means (88). The gain A(t) is re-measured and corrected a plurality of times per second during generation of the detector signals.

Abstract: A digital detector of a digital imaging system is provided. In one embodiment, the digital detector includes a flat-panel detector having a detector array for converting X-ray radiation into image data. The digital detector may also include a plurality of antennas, and the digital detector may be configured to transmit the image data via one or more antennas of the plurality of antennas. Additional systems, methods, and devices are also disclosed.

Abstract: A system for spectroscopic imaging of bodily tissue in which a scintillation screen and a charged coupled device (CCD) are used to accurately image selected tissue. Applications include the imaging of radionuclide distributions within the human body or the use of a dual energy source to provide a dual photon bone densitometry apparatus that uses stationary or scanning acquisition techniques. An x-ray source generates x-rays which pass through a region of a subject's body, forming an x-ray image which reaches the scintillation screen. The scintillation screen reradiates a spatial intensity pattern corresponding to the image, the pattern being detected by a CCD sensor. The image is digitized by the sensor and processed by a controller before being stored as an electronic image. A dual energy x-ray source that delivers two different energy levels provides quantitative information regarding the object being imaged using dual photon absorptiometry techniques.

Abstract: A method includes performing an x-ray focal spot deflection to generate two complete projections from two different channels of an x-ray detector, wherein the channels are purposefully different from each other in some respect other than being different channels.

Abstract: A radiation imaging apparatus is provided that stabilizes a dark current, image ghosting, and the sensitivity of the imaging apparatus, reduces the power consumption and the heat generation of a light source, and improves the durability of a conversion element. The radiation imaging apparatus includes a flat panel detector including a conversion unit, where the conversion unit includes a plurality of pixels arranged in a matrix and each of the pixels includes a conversion element capable of converting a radiation ray into electric charge, a light source capable of emitting light to the conversion unit, and a control unit configured to control the flat panel detector and the light source. The control unit controls the emission of light performed by the light source on the basis of a signal output from the flat panel detector.

Abstract: An X-ray machine for imaging a breast of a female patient includes a patient table for accommodating the patient, an X-ray tube and an X-ray detector. In one embodiment, the X-ray machine may be designed as a spiral CT scanner having a rotatable gantry on which the X-ray tube and detector are mounted. The X-ray detector is inclined with respect to the X-ray tube, so that a central ray of a beam of rays emitted from the X-ray tube is perpendicularly incident on an active face of the detector. In one embodiment, the detector may be designed with a curvature, which reduces image artifacts by reducing path length differences between the central ray and the outer rays of the beam. This configuration provides particularly space saving X-ray machines, which at the same time, are of particularly high resolution.

Abstract: A radiation detecting cassette includes an IC card detector which detects insertion of an IC card in a slot, outputs a detection signal representing that the IC card is inserted in the slot, and reads ID information stored in the IC card. An ID checker of the radiation detecting cassette checks the ID information against ID information stored in a card ID memory. A power unit controller controls supply of electric power from a power unit to a radiation detector and/or components of the radiation detecting cassette based on a checking result from the ID checker.

Abstract: The invention relates to a radiographic device and method of servoing an X-ray source (800) in a radiography device comprising a MOS-type image sensor (810) with pixels provided with separate read and refreshment commands, respectively, in which, during a radiography operation, read commands of a plurality of image sensor pixels are called repeatedly, while maintaining a source of X-rays power-supplied, so as to establish, in response to each reading, at least one image acquisition characteristic, and in which the emission of X-rays is interrupted when the image acquisition characteristic corresponds to a preset image acquisition characteristic.

Abstract: A digital detector of a digital imaging system is provided. In one embodiment, a digital detector includes a detector array disposed in a housing and configured to generate image data based on received radiation. The digital detector may also include a battery configured to be disposed within a receptacle of the housing and to supply operating power to the detector array. In one embodiment, the receptacle and the housing may be configured such that the receptacle is externally accessible to enable a user to selectively insert and remove the battery from the receptacle. Additional systems, methods, and devices are also disclosed.

Abstract: A method for obtaining an x-ray image stores an association between a digital radiology receiver panel, a label that is applied to one or more surfaces of the digital radiology receiver panel, and an x-ray imaging room. A response to an operator instruction designates the digital radiology receiver panel having the stored association as an active digital radiology receiver panel in the x-ray imaging room. Instructions are transmitted wirelessly to the active digital radiology receiver panel. Image data is obtained from the active digital radiology receiver panel following exposure to x-ray radiation.

Abstract: To obtain a high-quality X-ray image from X-ray detectors with defective pixels, an X-ray image of an object is recorded by an active pixel matrix of an X-ray detector from at least two partial X-ray images, in which a first partial image is recorded from picture elements in a first position and at least one second partial image is recorded from picture elements in a second position of the pixel matrix, wherein the pixel matrix has at least one defective pixel at a defect site and the positions are selected such that the active pixel matrix is situated in the same plane in all positions, each displacement of the active pixel matrix from one into another position is an integer multiple of a pixel length, and at least one non-defective pixel is positioned in at least one other position at the respective defect sites of all positions.

Abstract: A method and systems for capturing digital intra-oral images, while automatically determining a location of an intra-oral sensor placed within a mouth of a patient, is disclosed. A spatial frame-of-reference is established with respect to teeth within the mouth of the patient. An intra-oral digital imaging sensor is placed within the mouth of the patient adjacent to at least one tooth within the mouth that is to be imaged using the intra-oral sensor. Spatial location information is automatically generated such that the spatial location information defines how the intra-oral sensor is placed with respect to the spatial frame-of-reference. A digital image of at least one tooth is acquired using the intra-oral sensor and the spatial location information is automatically associated with the acquired digital image. The associated spatial location information may be used to automatically correlate the acquired image to a tooth or teeth within the mouth and/or to automatically orient the acquired image for display.

Abstract: A radiation imaging apparatus comprises a first diving circuit unit to drive a first switching element connected to a conversion element, wherein the conversion element converting radiation into charges, a second diving circuit unit to drive a second switching element connected to the conversion element, and a control unit to control the first diving circuit and the second diving circuit independently at different timing.

Abstract: A method of forming an offset-corrected exposure image includes obtaining an initial exposure image and exposure metadata related to the initial exposure image. An intermediate offset-corrected exposure image is formed by obtaining one or more dark images associated with the initial exposure image and subtracting an averaged value of the one or more dark images from the initial exposure image. The offset-corrected exposure image is obtained by combining an offset adjustment map with the intermediate offset-corrected exposure image.

Abstract: According to one embodiment, a calibration system for calibrating image data produced by an imaging system is provided. The calibration system includes a processor configured for: receiving the image data from the imaging system; receiving a plurality of reference values from the imaging system; and calibrating the image data using the reference values. The reference values correspond to air image data produced by the imaging system.

Abstract: The invention relates to an apparatus and method for processing a radiation image. For a subject area, a radiation image signal corrected for leak charge is obtained by subtracting, from a GateOn signal obtained by turning on a transistor switch of a detecting element of a radiation detector, a GateOff signal obtained by turning off the transistor switch. A threshold value is less than or equal to a pixel saturation value. For an unblocked area where the radiation image signal is greater than the threshold value, the GateOn signal is utilized as the radiation image signal.

Abstract: A radiographic apparatus according to this invention stores, before an imaging event, offset images and gain correcting images corresponding to a plurality of storage times, and acquires a lag image and a radiographic image based on these stored images. Then, lag correction is carried out to remove lags, using the lag image, from the radiographic image. In this way, from the radiographic image taking into consideration the offset images and gain correcting images corresponding to the storage times, lags are removed using the lag image which similarly fakes into consideration the offset images and gain correcting images corresponding to the storage times. Lag-behind parts, including offset and gain components, are removed from radiation detection signals in a simple way.

Abstract: A conversion apparatus of the present invention includes a pixel region in which a plurality of pixels are arranged. The pixels are including the switching elements and the conversion elements. The pixel region includes a switching element region in which the plurality of switching elements are arranged in row and column directions, and a conversion element region in which the plurality of conversion elements are arranged in row and column directions. A plurality of signal wirings are including a second metal layer, and connected to the plurality of switching elements of the column direction. Bias wirings are including a fourth metal layer, and connected to the plurality of conversion elements. An external signal wiring is including the first metal layer outside the pixel region, and connected to the signal wirings. The external signal wiring and the bias wiring intersect each other.

Abstract: An X-ray imaging system includes a digital imaging panel for capturing an X-ray image of an object and an X-ray device for irradiating a beam of X-rays toward the digital imaging panel and making wireless communication with the digital imaging panel. The X-ray device is capable of directly receiving data of an X-ray image of an object from a digital imaging panel, enabling an operator to see the X-ray image on a real time basis and editing and storing the X-ray image by itself.

Abstract: A digital dental image apparatus comprising: an intra-oral image sensor configured to output a raw analog video signal; a processing raw analog video signal (PRAVS) means for processing the raw analog video signal for optimum detection; a digitizing, over sampling, and averaging (DOSA) means for digitizing, over sampling, and averaging the optimized analog video signal; a programmable control and signal processing (PCSP) means configured to generate a control signal to control an over sampling rate of the (DOSA) means; and a low noise power supply that improves the intra-oral image sensor performance. The PCSP means is configured to process the DOSA video signal, and configured to output the processed DOSA video signal to an output network interface.

Abstract: The invention relates to an x-ray device (50) comprising an x-ray sensitive camera (55) for creating tomograms, especially panoramic tomograms. Means for creating 3D shots of a partial volume of the mandibular arch are also provided, said 3D shots being created especially by a second image receiver (5) for creating a 2D shot and means for taking a plurality of 2D shots from different directions and creating a 3D shot therefrom, preferably according to conebeam technology with the associated reconstruction algorithms. The x-ray-sensitive camera (55) comprises a first x-ray sensitive image receiver (4) for creating a tomogram, and a second x-ray sensitive image receiver (5) for creating plane shots.

Abstract: A PET apparatus comprises a plurality of detector units in the circumferential direction, wherein the detector unit includes a plurality of unit substrates therein, and wherein the unit substrate includes: a plurality of detectors upon which a ?-ray is incident; and an analog ASIC and digital ASIC for processing a ?-ray detection signal outputted by each of the detectors. The analog ASIC includes two slow systems having mutually different time constants, each of which outputs a pulseheight value. A noise determination part of the digital ASIC determines whether a relevant detection signal is an intended ?-ray detection signal or a noise based on a correlation between the pulseheight values, and a noise counting part counts the number of times of noise determination, and a detector output signal processing control part controls the signal processing with respect to an output signal from a relevant detector based on the count.

Abstract: A quantum detector module for the quantitative and energy-resolved determination of quantum absorption events, a quantum detector, a method for determining quantum absorption events, a computer program product and a radiation detection device are disclosed. In at least one embodiment, the quantum detector module includes a multiplicity of detector pixels. In order to determine the quantum absorption events particularly precisely, in at least one embodiment it is provided that the detector pixels have at least two mutually different pixel apertures.

Abstract: A detector panel having therein an X-ray detector, a signal processing circuit for interface, and a battery for power supply, the detector panel includes a first signal processing circuit for processing the detection signals from the X-ray detector, a second signal processing circuit for processing the output signal from the first signal processing circuit, a first power supply circuit for adjusting the output voltage of the battery by means of switching regulation, to supply the output to the second signal processing circuit, a second power supply circuit for adjusting the output voltage of the first power supply circuit by means of switching regulation, to supply the output to the X-ray detector and the first signal processing circuit, and a switching circuit for switching the configuration of the second power supply circuit between a single connection of one linear regulator and a series connection of two linear regulator.

Abstract: A radiographic apparatus according to this invention, when carrying out recursive computation, pixel groups consisting of detection pixels respectively corresponding to positions on a radiation detection device are sorted into locations subjected to the recursive computation and locations exempted from the recursive computation. For the locations subjected to the recursive computation, lag-behind parts are removed by the recursive computation to obtain corrected radiation detection signals. The recursive computation is not carried out at least for the locations exempted from the recursive computation. The lag-behind parts can be removed from the radiation detection signals, with a calculation amount for the recursive computation reduced by an amount corresponding to the recursive computation excluded.

Abstract: A photodetecting unit having a favorable attaching operability is provided. In a photodetecting unit 1, two structures for attachment 30 are fixed to the rear face of a supporting substrate 20 formed by a sintered body of a ceramic. In the process of manufacturing the photodetecting unit 1, a laminate of green sheets is fired, so as to form a sintered body of a ceramic, and then each structure for attachment 30 is bonded to the rear face of the supporting substrate 20. This allows the structures for attachment 30 to be arranged accurately on the rear face of the supporting substrate 20, thereby ameliorating the attaching operability of the photodetecting unit 1.

Abstract: A system for spectroscopic imaging of bodily tissue in which a scintillation screen and a charged coupled device (CCD) are used to accurately image selected tissue. An x-ray source generates x-rays which pass through a region of a subject's body, forming an x-ray image which reaches the scintillation screen. The scintillation screen reradiates a apatial intensity pattern corresponding to the image, the pattern being detected by a CCD sensor. The image is digitized by the sensor and processed by a controller before being stored as an electronic image. Each image is directed onto an associated respective CCD or amorphous silicon detector to generate individual electronic representations of the separate images.

Abstract: A radiation detecting cassette is disposed in a desired position between a bed and a patient in an operating room. After a detector-side connector and a bed-side connector are connected to each other by a cable, an image capturing apparatus captures and records radiation image information of the patient in a radiation detector. The recorded radiation image information is transmitted from a transceiver of the bed to a console by way of wireless communications in a communication range selected by a selector of the bed, then processed by the console, and transmitted to a display device, which displays a radiation image based on the supplied radiation image information.

Abstract: Pin-based support structures for easily and precisely assembling CT detector components into individual detector modules are described, as are methods of making the same. The pins in these structures serve as the local reference points against which all other detector components (i.e., collimators, scintillator packs, diodes, electronic flex connectors, etc.) are aligned. The pins may also be used to quickly and easily attach the individual detector modules to the local detector reference frame and then to the global reference frame in a CT imaging system. These structures allow CT detector components to be more easily and economically assembled than previously possible. Furthermore, these structures are extensible in the Z-direction, allowing for longer Z-coverage with each rotation of the gantry, thereby allowing for full organ imaging in a single CT scan.

Abstract: A portable X-ray detector unit includes a portable, hand-held cassette having exposure detection fields for measuring the level of radiation to which a subject to be imaged is exposed. An Automatic exposure control terminates radiation supplied to a subject when it is determined that the level of exposure exceeds a predetermined threshold as interpreted in the portable detector unit. A user-interface is provided to control the exposure detection fields and/or the automatic exposure control.

Abstract: A cassette allows radiation image information stored therein to be used immediately after an X-ray radiation image is captured in a patient's room, and a mobile X-ray image capturing apparatus incorporates such a cassette. The mobile X-ray image capturing apparatus has a cradle serving as a mount for receiving the cassette which has a radiation detector. The mobile X-ray image capturing apparatus captures a radiation image of the patient (subject) in the patient's room. The cassette serves as a mobile station. While the cassette (mobile X-ray image capturing apparatus) is moving, the radiation image information stored in the cassette is transmitted to a server via a transmitting and receiving terminal, a mobile hospital communication network, and a hospital LAN.

Abstract: A radiographic apparatus according to this invention, when a predetermined operation relating to radiographic imaging is interposed during an emission of radiation, stops the emission temporarily, and also stops a recursive computation temporarily. With start of the predetermined operation, the emission is started again and also the recursive computation is started again. Radiation detection signals at the time of non-emission due to the temporary stop are acquired, and the recursive computation is carried out based on initial values derived from the radiation detection signals at the time of non-emission. The lag-behind parts are removed from the radiation detection signals with increased accuracy while reducing the trouble of radiographic images caused by the predetermined operation relating to radiographic imaging being interposed during an emission of radiation.

Abstract: An X-ray detector to make possible digitization of an existing X-ray imaging apparatus is to be realized. Also an X-ray detector excellent in versatility is to be realized. This is an X-ray detector having a flat panel type detector unit for detecting the two-dimensional intensity distribution of incident X-rays and an interface unit for a detection signal utilizing device, and the interface unit conforms to open standards regarding images for medical use and communication. The interface unit has a first node on the detector unit side, a second node on the detection signal utilizing device side and a network linking them. The network is the Ethernet. The first node and the second node perform communication conforming to TCP/IP. The first node is integrated with the detector unit. The open standards regarding images for medical use and communication are the DICOM standards.

Abstract: To provide a radiation imaging apparatus which is capable of both connecting state radiographing for radiographing with a C arm connected and non-connecting state radiographing for radiographing with the C arm disconnected, and is convenient and obtains high quality images, the apparatus includes: a flat panel detector; a holding unit for holding at least the flat panel detector; and a control unit for controlling the flat panel detector.

Abstract: A radiation image radiographing system 1 including a radiation image detector 5 detecting a radiated radiation to obtain image information, a console 6 operating the radiation image detector 5, and associating means for performing the association with the console 6 operating the radiation image detector 5 at the time of radiography, wherein the radiation image detector 5 includes a power supplying means 21 controlling the state of power supply according to the operation status of the console 6 associated by the associating means.

Abstract: In a computed tomography scanner provided with an emitter for emitting a beam of radiation through an object to be analyzed and a detector for acquiring radiographies of the object, the detector generates a synchronization signal corresponding to its state of activation for acquiring the radiographies, and the emitter is controlled via the synchronization signal in such a way that the beam of radiation will be emitted when the detector is already activated.

Abstract: A phase contrast radiation imaging apparatus is includes a radiation source, a diffraction grating, and a radiation image detector. The radiation image detector is equipped with a charge generating layer that generates electric charges when irradiated with radiation, and charge collecting electrodes that collect the electric charges. The charge collecting electrodes are linear electrode groups, constituted by linear electrodes which are arranged at a constant period and are electrically connected to each other, provided to have different phases from each other. Thereby, use of a conventional amplitude diffraction grating is obviated.

Abstract: A signal detector detects signals transmitted from signal generators disposed in a radiation detecting cassette, and a distance calculator calculates the distance between a radiation source and a radiation detector based on the signals detected by the signal detector. A determining unit determines whether the detected distance matches a predetermined distance from the radiation source to the radiation detector when a radiation image is captured. If the detected distance does not match the predetermined distance, the determining unit outputs, to a warning unit, a warning signal indicating that the detected distance does not match the predetermined distance, and also outputs a control signal for equalizing the detected distance with the predetermined distance, to a radiation source movement controller.

Abstract: To provide an X-ray CT apparatus capable of acquiring information on energy of X-rays generated by an X-ray generating apparatus, an X-ray CT apparatus (100) comprises: an X-ray generating apparatus for generating X-rays and emitting the X-rays toward a subject; a first X-ray detector having a plurality of X-ray detection channels for detecting the X-rays emitted from the X-ray generating apparatus; a second X-ray detector for detecting the X-rays emitted from the X-ray generating apparatus in order to acquire information on energy of the X-rays emitted from the X-ray generating apparatus; and an X-ray energy information identifying section for identifying information on energy of the X-rays emitted from the X-ray generating apparatus based on the information detected by the second X-ray detector.