Patent application number | Description | Published |
20090080755 | APPARATUS AND METHOD FOR PROCESSING RADIATION IMAGE - The present invention relates to a radiation image processing apparatus and a processing method. A processing condition selector selects from a processing condition memory a processing condition for extraction or removal of a specific object in radiation image information. The processing condition includes two different image capturing conditions which are provided to a radiation source controller. The radiation source controller controls a radiation source with each image capturing condition to apply radiation to a subject and a solid-state radiation detector stores radiation image information of the subject. An image processor performs a weighted subtraction using stored radiation image information in accordance with the processing condition to achieve extraction or removal of the specific object. The resultant radiation image information is displayed on a display unit. | 03-26-2009 |
20090084967 | RADIATION CONVERSION PANEL AND METHOD OF CAPTURING RADIATION IMAGE - A radiation conversion panel includes first pixels, each of which is one out of every n (n≧3) adjacent pixels, and which, after a first energy-level image capturing cycle, are reset after electric charges have been read therefrom, and all pixels, including the first pixels, wherein, after the pixels have been reset, electric charges are read from all the pixels after a second energy-level image capturing cycle. | 04-02-2009 |
20090086885 | RADIATION IMAGE CAPTURING APPARATUS AND METHOD - A radiation image capturing apparatus for producing radiation image information of a subject by applying a radiation to the subject on which a fixed member is mounted, including a subject image information acquiring unit for acquiring subject image information of the subject including the fixed member, an imaging region identifier for processing the acquired subject image information to identify an imaging region of the subject with the fixed member mounted thereon, an irradiated region controller for controlling an irradiated region to be irradiated with the radiation in order to apply the radiation to the identified imaging region, and a radiation conversion panel for converting the radiation that has passed through the imaging region into radiation image information. | 04-02-2009 |
20090086886 | RADIATION IMAGE CAPTURING APPARATUS - A radiation image capturing apparatus includes an image capturing device having a tomosynthesis control mechanism for moving a radiation source and a radiation conversion panel, which are disposed on the respective opposite sides of a subject, respectively in opposite directions in synchronism with each other, a longitudinal direction moving mechanism for moving an image capturing range of the image capturing device in a longitudinal direction of the subject, an image reconstructing unit for generating a single three-dimensional image from a plurality of radiation images captured in a single image capturing range, an image joining unit for joining a plurality of three-dimensional images generated by the image reconstructing unit with respect to a plurality of image capturing ranges, in the longitudinal direction of the subject, and a projection image generating unit for generating a two-dimensional projection image on an arbitrary image plane based on a joined three-dimensional image. | 04-02-2009 |
20090086887 | RADIATION IMAGE CAPTURING APPARATUS - A radiation image capturing apparatus that includes a radiation conversion panel comprises an input device for inputting a first distance from the position of the panel to a position serving as a reference position for a subject, a distance measuring unit for measuring a second distance from the radiation source to the panel, a first radiation field calculating unit for determining a radiation field at the position of the panel based on setting information of the radiation source and the second distance, a second radiation field calculating unit for determining a hypothetical radiation field at the reference position of the subject based on the setting information of the radiation source, the first distance, and the second distance, and a life-size correcting unit for correcting the radiation image information from the panel based on the information of the calculated radiation field and the information of the calculated hypothetical radiation field. | 04-02-2009 |
20090086913 | RADIATION CONVERSION PANEL AND METHOD OF CAPTURING RADIATION IMAGE THEREWITH - A radiation conversion panel includes a first pixel group from which electric charges are read after a first energy-level image capturing cycle and after a second energy-level image capturing cycle, and a second pixel group from which electric charges are read after the second energy-level image capturing cycle, wherein pixels of the first pixel group and pixels of the second pixel group are arranged alternately. | 04-02-2009 |
20090087069 | APPARATUS AND METHOD FOR PROCESSING RADIATION IMAGE - A radiation image processing apparatus includes a radiation source for irradiating the subject with the radiation, the subject being applied with a fixation material, a radiation source controller for controlling the radiation source in accordance with different image capturing conditions, a radiation converting panel for converting the radiation into one of the pieces of radiation image information, a processing condition memory for storing a plurality of processing conditions, each including the image capturing conditions that correspond to a type of the fixation material, a processing condition selector for selecting one of the processing conditions, the selected one of the processing conditions corresponding to the type of the fixation material, and an image processor for processing in accordance with the selected processing condition the plurality of pieces of radiation image information that are provided by the radiation converting panel under the different image capturing conditions, respectively. | 04-02-2009 |
20100080438 | Radiation image diagnosing system - A radiation image diagnosing system includes a tomosynthesis image capturing assembly for acquiring the data of a plurality of tomosynthetic sectional images. The acquired data of the tomosynthetic sectional images are processed to reconstruct a shift-and-add image by a shift-and-add processor. The acquired data of the tomosynthetic sectional images are also processed to reconstruct an FBP image by an FBP processor. The shift-and-add image and the FBP image are displayed parallel to each other on a display unit. | 04-01-2010 |
20100119116 | Radiographic tomography apparatus - A radiographic tomography apparatus includes a tomosynthetic image capturing section for applying radiation from a radiation source to an examinee at a plurality of different angles, and detecting the radiation transmitted through the examinee with a radiation conversion panel to capture a plurality of tomosynthetic tomography images of the examinee. The radiographic tomography apparatus further includes a still image capturing section for capturing a plurality of still images of the examinee in one image capturing position at different times, and a body motion detector for detecting a body motion of the examinee based on the still images captured by the still image capturing section. | 05-13-2010 |
20100124311 | Tomographic image capturing apparatus - A tomographic image capturing apparatus includes a plurality of radiation sources movable along a predetermined path, for applying respective radiation to a subject at different angles and at different times while moving along the predetermined path, a dose adjuster for adjusting the radiation sources to equalize doses of the radiation emitted from the radiation sources, a radiation detector for detecting radiation transmitted through the subject while the radiation sources move along the predetermined path, and converting the detected radiation into respective items of radiographic image information, and a tomographic image generator for generating a tomographic image of the subject based on the items of radiographic image information converted from the radiation and detected by the radiation detector. | 05-20-2010 |
20100124312 | Tomographic image capturing apparatus - A tomographic image capturing apparatus includes a radiation source movable along a predetermined path, for applying radiation to a subject at different angles, a dose adjuster for adjusting the radiation source to make constant the dose of the radiation emitted from the radiation source independently of irradiation angles of the radiation with respect to the subject, a radiation detector for detecting the radiation transmitted through the subject while the radiation source moves along the predetermined path and converting the detected radiation into radiographic image information, and a tomographic image generator for generating a tomographic image of the subject based on the radiographic image information converted from the radiation detected by the radiation detector. | 05-20-2010 |
20100171822 | Tomographic image capturing apparatus and tomographic image capturing method - A tomographic image capturing apparatus comprises a radiation source for applying radiation to a subject at a plurality of different angles with respect to the subject, a radiation detector for detecting the radiation which has passed through the subject at each of the different angles and converting the detected radiation into image data, a tomographic image reconstructing unit for processing the image data into a reconstructed tomographic image, and an image capturing continuation determining unit for determining whether image-capturing of the subject is continued or not based on the reconstructed tomographic image. | 07-08-2010 |
20100172465 | Tomographic image capturing apparatus and tomographic image capturing method - A tomographic image capturing apparatus includes a radiation source for applying radiation to a subject at a plurality of different angles with respect to the subject, a radiation detector for detecting the radiation which has passed through the subject at each of the different angles and converting the detected radiation into image data, a tomographic image reconstructing unit for processing the image data into a reconstructed tomographic image, and an image capturing sequence setting section for establishing an image capturing sequence of a tomosynthesis image capturing process and a simple image capturing process based on ordering information which represents the tomosynthesis image capturing process for acquiring the reconstructed tomographic image and the simple image capturing process for acquiring a simple captured image. | 07-08-2010 |
20100189330 | Radiographic tomography image generating apparatus - A radiographic tomography image generating apparatus includes a radiographic image acquiring assembly for moving a radiation applicator, which is disposed in confronting relation to a radiation detecting device, successively to a plurality of positions, controlling the radiation applicator to apply radiation to a subject disposed over the radiation detecting device in different directions while the radiation applicator moves successively to the plurality of positions, and storing a plurality of radiographic images output successively from the radiation detecting device in an image memory. The radiographic tomography image generating apparatus also includes an image reconstructor for processing the radiographic images stored in the image memory in order to reconstruct a diagnostic tomography image of the subject according to a reconstructing process, and a preview display unit for displaying preview images on a display monitor based on the radiographic images output successively from the radiation detecting device. | 07-29-2010 |
20100195789 | Radiographic image capturing system and radiographic image capturing method - Tomographic image data acquired by a tomosynthesis image capturing assembly are output from an image output unit to an image processor, and are processed for generating a reconstructed tomographic image. In this case, a part of data is selectively and step by step output from the image output unit to the image processor for reconstruction. Before generating a complete tomographic image, the interim result of the tomographic image is displayed on a display unit. | 08-05-2010 |
20120027166 | RADIATION IMAGE CAPTURING APPARATUS - A radiation image capturing apparatus includes an overlapping area specifying unit which acquires a plurality of radiation images of the plurality of image capturing ranges of an elongate test subject in advance, specifies overlapping areas in the radiation images, and registers information of the specified overlapping areas in an information table, an image joining unit which acquires a plurality of radiation images of the plurality of image capturing ranges of the elongate subject, and joins the acquired plurality of radiation images based on the information of the overlapping areas registered in the information table to generate a single joined radiation image, and an image generating unit for generating a tomographic image on an arbitrary image plane based on the joined radiation image. | 02-02-2012 |