Canon Kabushiki Kaisha

Yuichi Nishii

Hideto Shiozawa

Tsukasa Sako

Koji Takekoshi

Hikaru Tanaka

Osamu Tsujii

Masahiro Abe

Kazuhiro Matsumoto

Hiroyuki Shinbata

Hiroyuki Urushiya

Nobu Miyazawa

Tomohiro Kawanishi

Kenta Endoh

Masahiko Okunuki

Akiya Nakayama

Tomohiko Matsuura

Hiroaki Niwa

Tomohiko Haraguchi

Yusuke Niibe

A radiographic system that includes a radiation generation apparatus configured to emit radiation, a radiographic apparatus configured to generate a radiographic image based on the radiation, a control apparatus configured to communicate with the radiographic apparatus to receive the radiographic image and control operation, the radiographic system includes an obtaining unit configured to obtain a plurality of dose index values using the radiation image generated based on the radiation.

Radiographic system, control apparatus, radiographic method, and storage medium

A radiation imaging apparatus includes an imaging area including a plurality of conversion elements configured to convert a radiation into an electrical signal, a detection element provided in the imaging area and configured to detect the radiation, a reading unit configured to read signals of the conversion elements and the detection element, and a control unit configured to execute radiation exposure amount control in capturing a radiation image by a control method selected from a first control method and a second control method based on an imaging condition in capturing the radiation image, the first control method controlling an exposure amount based on the reading result of the detection element read by the reading unit during radiation irradiation, the second control method controlling the exposure amount based on a pixel value of the radiation image, the radiation image being based on the signals of the plurality of conversion elements.

Radiation imaging apparatus, radiation imaging system, control method, and storage medium

A radiation imaging system comprises a plurality of imaging apparatuses configured to generate images based on radiation emitted from a radiation generator, and a control apparatus configured to communicate with the plurality of imaging apparatuses. Each of the plurality of imaging apparatuses generates imaging information with a smaller data size than an image obtained by an imaging operation based on the image. The control apparatus acquires the imaging information from each of the plurality of imaging apparatuses, and selects, from the plurality of imaging apparatuses based on the imaging information, an imaging apparatus from which an image obtained by an imaging operation is acquired.

Radiation imaging system, imaging apparatus, control apparatus, and methods of controlling the same

An imaging control apparatus comprising: an irradiation field obtaining unit configured to obtain irradiation field information in radiation imaging by an irradiation field obtaining method based on any one of a radiation image obtained by the radiation imaging, imaging information concerning the radiation imaging, and preset irradiation field information in the radiation imaging; and an area dose obtaining unit configured to obtain an area dose in the radiation imaging based on the irradiation field information. In a case the irradiation field information is not obtained, the irradiation field obtaining unit obtains the irradiation field information based on an irradiation field obtaining method different from the irradiation field obtaining method.

Imaging control apparatus, radiation imaging system, imaging control method, and storage medium

A radiation imaging system includes a plurality of imaging apparatuses configured to generate images based on radiation emitted from radiation generating apparatuses configured to perform radiation irradiation and a control apparatus configured to communicate with the plurality of the imaging apparatuses. The control apparatus comprises: an obtainment unit configured to obtain imaging information from each of the plurality of imaging apparatuses, a selection unit configured to select one imaging apparatus from the plurality of imaging apparatuses based on the imaging information obtained by the obtainment unit, and an image obtainment unit configured to obtain an image from the imaging apparatus selected by the selection unit, and the control apparatus further comprises a setting unit configured to set an imaging apparatus from which imaging information is obtained by the obtainment unit.

Radiation imaging system, method of controlling the same, control apparatus, and storage medium

Provided is an X-ray imaging system, including: an imaging apparatus configured to receive an X-ray beam to form an image; a control apparatus; a determination unit configured to determine whether or not interference with a specific device is detected in a channel used for wireless communication between at least one of the imaging apparatus or the control apparatus, and a master apparatus; and an output unit configured to output, when the interference is determined to have been detected and the wireless communication is stopped, notification information including a notification that the wireless communication is stopped, the imaging apparatus and the control apparatus being configured to communicate to/from each other via the wireless communication.

X-ray imaging system, information processing method, and computer readable medium

This invention provides a technique of appropriately managing a high-resolution tomographic image and effectively displaying an arbitrary cross section even under an environment where a 3D texture has a size limitation. An information processing apparatus includes a determination unit adapted to determine whether a size of a plurality of tomographic images acquired from a single object is not more than a predetermined size, a management unit adapted to, upon determining that the size is not more than the predetermined size, manage the plurality of tomographic images as three-dimensional voxel data, a decision unit adapted to decide a cross-sectional image as a display target of an object image managed as the three-dimensional voxel data, and a display control unit adapted to cause a display unit to display the decided cross-sectional image.

Information processing apparatus, information processing method, and control apparatus

To facilitate handling of an X-ray imaging system capable of selecting plural radiation imaging apparatuses, a radiation imaging control apparatus manages configuration information indicating whether a first communication unit of an X-ray imaging unit operates as a master unit or a slave unit, and transmits the configuration information to the X-ray imaging unit. The X-ray imaging unit selects whether to operate as the master unit or the slave unit according to the transmitted configuration information.

Radiation imaging control apparatus, radiation imaging apparatus, and storage medium storing program

An X-ray fluoroscopic radiographing apparatus comprises a display unit that processes a received X-ray moving image and instantaneously displays the moving image; a storing unit that stores the received moving image as a non-processed raw image; an instructing unit that instructs the raw image to be referred to from the stored raw images; a second display unit that processes the instructed raw image and displays the processed raw image; a changing unit that changes the image process in the second display unit; a second storing unit that stores image process information obtained by the changing unit in association with the instructed raw image; a second instructing unit that instructs the raw image to be transferred from the stored raw images; and a transferring unit that executes the image process associated by the second storing unit to the instructed raw image and transfers the processed raw image to a destination.

X-ray fluoroscopic radiographing apparatus and method

A management apparatus which manages an image captured in a radiation detection apparatus by irradiation with radiation, manages imaging information which is input by a user and serves as information for imaging, obtains the captured image, and associates the obtained image with the imaging information. The management apparatus, when a mis-exposure notification is received from the radiation detection apparatus and manages the necessary imaging information, obtains the captured image.

Management apparatus

An X-ray imaging apparatus includes an image combining unit configured to sequentially combine divided and transmitted images, a mode selection unit configured to select one of a speed priority mode and a resolution priority mode, and a control unit configured to, if image enlargement is instructed before all the images are received, perform control to change a combining method used for the image combining unit depending on the mode selected by the mode selection unit.

X-ray imaging apparatus and X-ray imaging method

An X-ray imaging apparatus comprises: an obtaining unit configured to obtain an operational state of a connected apparatus; and a display control unit configured to control a transition to a hide display state in accordance with the obtained operational state, wherein the hide display state comprises performing display while hiding at least part of information displayed on a display device.

X-ray imaging apparatus, method for X-ray imaging apparatus and non-transitory computer-readable recording medium

A radiation image processing apparatus which processes non-spiral projection data obtained by radiation imaging performed by rotating a radiation generator and a two-dimensional radiation detector relative to a subject reconstructs the non-spiral projection data into first volume data subjected to an averaging process in a direction of a rotation axis of the rotation and second volume data not subjected to the averaging process. The radiation image processing apparatus performs planar reconstruction calculation using the first volume data to generate a cross section image in a first plane perpendicular to the direction of the rotation axis and performs planar reconstruction calculation using the second volume data to generate a cross section image in a second plane parallel to the direction of the rotation axis. The resulting cross section images are displayed on a display apparatus.

Growing community of inventors

Kawasaki, Japan

Yuichi Nishii