Abstract: A radiographic imaging system includes: a plurality of states of operation, a radiographic image detection device that detects irradiated radiation to obtain radiographic image information, a console capable of communicating with the radiographic image detection device, a status memory which stores the information of operation concerning the state of operation after end of charging or replacing the battery; and the radiographic image detection device includes: power supply source having a rechargeable or replaceable battery to supply power to a plurality of units driven by the power, a control unit that stores in the status memory the information of operation, before the end of charging or replacing the battery, and then after the end of charging or replacing of the battery, controls the state of operation of the units driven by the power in response to the information of operation stored in the status memory.

Abstract: A radiation detector for identifying the kind of the scintillator from the outward appearance of the detector, includes: a scintillator for generating fluorescence by receiving radiation; and a detector indication section for indicating scintillator information relating to the scintillator.

Abstract: A radiography system includes: a plurality of radiographic image detecting apparatus to obtain radiographic image information of a subject by radiography of the subject; a radiography operation control apparatus to control a radiography operation of at least one radiographic image detecting apparatus among the plurality of radiographic image detecting apparatus; and a management apparatus to manage the plurality of radiographic image detecting apparatus, wherein each of the plurality of radiographic image detecting apparatus is provided with an individual information storage unit to store individual information of the radiographic image detecting apparatus, and the individual information storage unit stores at least identification information specific to each of the plurality of radiographic image detecting apparatus, and wherein the management apparatus recognizes the identification information specific to each of the plurality of radiographic image detecting apparatus, and manages each of the plurality of r

Abstract: A radiation detector capable of appropriately performing charging or replacement of a battery depending on the situation. The detector includes: a replaceable battery, and a determination section to determine whether replacement of the battery is allowable or not.

Abstract: A radiography system includes: a radiographic detector having a scintillator for receiving radiation transmitted through a subject to generate fluorescence, the radiographic detector to generate image information of the subject based on strength of the fluorescence generated by the scintillator; and a scintillator information adding-section to add scintillator type-related information related to a type of the scintillator, to the image information.

Abstract: A radiographic imaging system includes: a plurality of states of operation, a radiographic image detection device that detects irradiated radiation to obtain radiographic image information, a console capable of communicating with the radiographic image detection device, a status memory which stores the information of operation concerning the state of operation after end of charging or replacing the battery; and the radiographic image detection device includes: power supply source having a rechargeable or replaceable battery to supply power to a plurality of units driven by the power, a control unit that stores in the status memory the information of operation, before the end of charging or replacing the battery, and then after the end of charging or replacing of the battery, controls the state of operation of the units driven by the power in response to the information of operation stored in the status memory.

Abstract: A radiographing apparatus, is provided which includes a control section and a plurality of radiographing sections, each of which is connected to the control section. The control section establishes a standby mode in each of the radiography sections when each of the plurality of radiographing sections has been unused for a period of time which exceeds a predetermined time period.

Abstract: A radiographing apparatus, comprises a control section; and a plurality of radiographing sections each of which is connected to the control section. The control section establishes a standby mode in accordance with a situation that a non-used time period of the plurality of radiographing sections exceeds a predetermined time period.

Abstract: There is described a method and an apparatus for reading a radiation image recorded on a radiation image conversion panel. The apparatus includes a receiving device for receiving a plurality of patient information incoming from outside, an inputting device for inputting patient identification information, a comparing device for comparing the patient information with the patient identification information, a reading device for reading the radiation image conversion panel to generate a radiation image, and a controller for correlating the patient information with the radiation image generated by the reading device.

Abstract: There is described a method and an apparatus for reading a radiation image recorded on a radiation image conversion panel. The apparatus includes receiving device for receiving a plurality of patient information incoming from outside, inputting device for inputting patient identification information, a comparing device for comparing the patient information with the patient identification information, reading device for reading the radiation image conversion panel to generate a radiation image and controller for correlating the patient information with the radiation image generated by the reading device.

Abstract: In a radiographic image reading method of reading a radiographic image on a radiographic image conversion panel and for obtaining radiographic image information; the adiographic image reading method includes steps of: reading panel discriminating information corresponding to the radiographic image conversion panel, thereby obtaining information regarding the radiographic image conversion panel; and applying image processing for the radiographic image information based on the information regarding the radiographic image conversion panel.

Abstract: A radiation image reading system, comprises a plurality of reading apparatus to read a radiation image and to produce image data; and an information transmitting apparatus to transmit information regarding a patient to at least a reading apparatus of the plurality of reading apparatus; wherein when the information regarding the patient transmitted by the information transmitting apparatus is canceled, the information regarding the patient is transmitted by the information transmitting apparatus to another reading apparatus other than the reading apparatus to which the information regarding the patient was firstly transmitted.

Abstract: A method of reproducing a radiographic image of a subject includes processing radiographic image signals which indicates a signal level corresponding to an amount of radioactive rays transmitted through each portion of the subject. The method compresses a signal level range of a part of the low frequency region of the radiographic image signals and expands a signal level range of another part of the low frequency region of the radiographic image signals, thereby obtaining image signals that are usable to reproduce the radiographic image.

Abstract: A dynamic range compression method for a radiation image for obtaining processed image signal carrying an image having a dynamic range that is narrower than that of the original image, by processing original image signal representing an original image based on radiation image information transmitted through an object. The method is for obtaining unsharp mask signal by averaging the original image signal in a predetermined mask area containing each pixel point corresponding to each pixel point and for correcting original image signal by providing a correction value that is a function of the unsharp mask signal to obtain a processed image signal. Weighting is applied corresponding to an absolute value of a signal different between a central pixel and a peripheral pixel both within a mask area in the averaging process for obtaining the unsharp mask signal.

Abstract: An apparatus for processing radiographic image signals, including a photographing device for detecting an amount of radioactive rays transmitted through a subject and for converting the rays into original digital image signals in the form of pixels, and a signal processing circuit for processing the original digital image signals so as to decrease the amplitude of a low frequency component of the original digital image signals.

Abstract: In picking up a radiation image, and image is first picked up without adjusting the radiation dose of a radiation beam that scans an irradiation target to thereby acquire information of the dose of radiation transmitted through the irradiation target at the same time the image is picked up. Based on the information of the transmitted dose of radiation, the radiation dose to be controlled is determined, and image pickup is executed again to be superimposed on the initial pickup while controlling the radiation dose according to the determined control dose, whereby the radiation image data is obtained. Further, the image of the case where the radiation dose is not controlled is restored in signal processing of the obtained radiation image data and the data of the radiation control quantity.

Abstract: The invention provides an apparatus for processing digital image data of pixels which are obtained by radiographing an image area including a subject so as to generate image signals and by converting the image signals into digital image data, each of the digital image data representing a density level corresponding to an amount of radioactive ray transmitted through each portion of the image area. The apparatus comprises a circuit for analyzing the digital image data of pixels; and a circuit for determining a desired portion of said image area on the basis of the analyzing result and for further determining an image processing condition for the image area on the basis of digital image data of the desired portion.

Abstract: A radiographical image reader for photoelectrically reading a radiographical image of an object. The image reader comprises a radioactive ray irradiator; a radiographical image converting panel which is a radioactive ray absorbent for absorbing the radioactive ray transmitted through through the object so that a radiographical image information is obtained; a scanner to scan the converting panel with exciting light so that the converting panel is subjected to stimulated emission; a reader to read the stimulated emission of the converting panel so that the radiographical image is obtained; a first memory to store at least one of a radioactive ray irradiating condition, object information, and image identification code; a second memory to store a radiographical image information; and a circuit to control the functions of the reader, the first memory, and the second memory in accordance with said irradiation of the radioactive ray by the irradiator.

Abstract: A radiographical image reader for photoelectrically reading a radiographical image of an object. The image reader comprises a radioactive ray irradiator; a radiographical image converting panel which is a radioactive ray absorbent for absorbing the radioactive ray passed through the object so that a radiographical image information is obtained; a scanner to scan the converting panel with exciting light so that the converting panel is subjected to stimulated emission; a reader to read the stimulated emission of the converting panel so that the radiographical image is obtained; a memory to store at least one of radioactive ray uneven generation information of the irradiator and sensitivity unevenness information of the converting panel; and a processor to compensate the radiographical image information according to at least one of the radioactive ray uneven generation information and the sensitivity unevenness information.

Abstract: Disclosed is a process for preparing a radiation image storage panel having a phosphor layer containing an activated stimulable phosphor, characterized in that applying a heat treatment that can secure the content of an activator in the activated stimulable phosphor.Disclosed is also a process for preparing a radiation image storage panel having a layer of a stimulable phosphor layer activated with an activator, wherein a stimulable phosphor matrix layer is formed, and thereafter the activator is diffusion added to the layer to form a stimulable phosphor layer.