Canon Kabushiki Kaisha

Kabushiki Kaisha Toshiba

Osamu Tsujii

Masahiko Okunuki

Takashi Ogura

Masakazu Morishita

Satoshi Shimizu

Makoto Sato

Kazuhiro Matsumoto

Takamasa Ishii

Tetsuo Shimada

Takeo Tsukamoto

Isao Kobayashi

Ichiro Nomura

Toshikazu Tamura

Hiroyuki Urushiya

Minoru Watanabe

Makoto Saito

Tetsuo Watanabe

Tatsuya Yamazaki

Hiroyuki Shinbata

Takao Ogura

Kazuyuki Ueda

Yuichi Nishii

Hideki Nonaka

Akira Hirai

Toshiko Morii

Chiori Mochizuki

Akira Yoshino

Tsukasa Sako

Hisashi Namba

Hiroyuki Ichiyoshi

Takahiro Noguchi

Hidehiko Morinaga

Sakiko Yamaguchi

Chifuyu Inagaki

Masaaki Kobayashi

Hiroshi Komatsu

Akira Miyake

Hitoshi Inoue

Mitsuaki Amemiya

Masashi Fujii

Hitomi Ogasawara

Yoshihito Machida

Keiji Tsuchiya

Tomohiko Matsuura

Akira Tago

Katsushi Kato

Shinsuke Hayashida

Hidero Matsumoto

Nobuhiro Takeuchi

Makoto Nokita

Junichi Yamayoshi

Yoshinori Hirano

Noriaki Oguri

Satoshi Kamei

Maiko Sato

Chiori Mochizuku

The present invention provides an image display method that enables intuitive identification of a portion where a mammary gland region and a microcalcified region overlap each other in a radiographic captured image of a breast. The radiographic image data display method according to an aspect of the present invention includes detecting microcalcified regions and a mammary gland region in the radiographic image data, and displaying the microcalcified regions and the mammary gland region on a single screen.

Image processing apparatus and radiographic image data display method

A breast imaging device for rotating a radiation detection unit configured to detect radiation irradiated from a radiation generation unit configured to generate the radiation with the radiation detection unit and the radiation generation unit facing each other includes a ray sum image generation unit configured to generate a ray sum image based on an addition value of at least one pixel value in a visual line direction from volume data reconstructed from a projection image output from the radiation detection unit, a maximum intensity projection image generation unit configured to generate a maximum intensity projection image based on the maximum pixel value in the visual line direction from the volume data, and a synthesizing unit configured to synthesize the ray sum image and the maximum intensity projection image.

Breast imaging device, image processing device, and image processing method

There is provided a radiographic imaging apparatus capable of facilitating a comparative radiological interpretation of symmetric portions or a temporal comparative radiological interpretation of a same imaging target. The radiographic imaging apparatus includes an image control unit configured to cause a display unit configured to display a plurality of divided screens to display a first radiographic image of a first imaging target on a first divided screen of the plurality of divided screens. The image control unit causes a radiographic image of the first imaging target that is captured at a different time from the first radiographic image or a radiographic image of a second imaging target that is a symmetric imaging target of the first imaging target to be displayed on a second divided screen of the plurality of divided screens as a second radiographic image.

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

A radiation CT apparatus includes a rotation unit configured to rotate about a rotation axis, a radiation generation unit and a radiation detector which are fixed on either side of the rotation axis in the rotation unit, and a gantry cover containing the radiation generation unit and the radiation detector and including a breast insert portion configured to insert a breast of an object. An opening portion that can be opened and closed is placed on the gantry cover of the radiation CT apparatus. The radiation generation unit and the radiation detector are stopped to form a space that allows a user to access the breast insert portion from the opening portion.

Radiation CT apparatus and method of controlling the same

A breast imaging apparatus includes a gantry which includes a radiation generation unit configured to generate radiation and a radiation detection unit configured to detect radiation generated by the radiation generation unit, the radiation generation unit and the radiation detection unit being capable of rotating facing each other, wherein the gantry is provided with a front cover configured to protect a subject from the radiation generation unit and the radiation detection unit which rotate during CT imaging, and the front cover has an opening in which the breast of the subject is inserted, and a breast holding portion configured to hold the breast of the subject inserted in the opening.

Breast imaging apparatus

An image processing apparatus obtains a three-dimensional radiation image of a right region of substantially symmetrical regions, obtains a three-dimensional radiation image of a left region of the substantially symmetrical regions, performs alignment between the three-dimensional radiation image of the right region and the three-dimensional radiation image of the left region based on a feature position of the regions, and substantially symmetrically arranges and displays the three-dimensional radiation image of the right region and the three-dimensional radiation image of the left region which have been aligned.

Image processing apparatus, image processing method, radiation imaging system, and non-transitory computer-readable storage medium

A radiographic apparatus includes a radiation source that emits radiation, a radiation detection unit that detects the radiation emitted from the radiation source, and having transmitted the object of a subject to be examined, a holding unit that holds the object to be examined between the radiation source and the radiation detection unit, and a control unit that performs control for determining an imaging condition, based on information related to the posture of the subject.

Radiographic apparatus and tomographic apparatus

A radiation imaging apparatus comprising: an image capture unit capturing a radiation image; a first decision unit deciding, as a first region of interest, a region of interest from a region of a first radiation image; a first extraction unit extracting the first region of interest from the first radiation image; a form decision unit deciding a first form from the first region of interest; a first display unit enlarging and displaying the first region of interest; a first search unit searching a region of a second radiation image for a second form similar to the first form; a second decision unit deciding a second region of interest from the second radiation image so as to include the second form; a second extraction unit extracting the second region of interest from the second radiation image; and a second display unit enlarging and displaying the second region of interest.

Radiation imaging apparatus, radiation imaging method, and program

Provided is a stereo imaging apparatus that generates X-rays from a plurality of different focal positions and that acquires a plurality of X-ray images from an X-ray detector, the stereo imaging apparatus including X-ray generation controlling means for controlling irradiated areas of X-rays so that an irradiated area in a detection area of the X-ray detector based on X-rays applied from a first focal position is included in an irradiated area in the detection area based on X-rays applied from a second focal position.

Stereo X-ray imaging apparatus and stereo X-ray imaging method

An X-ray imaging apparatus includes an X-ray source including a plurality of X-ray focuses, an X-ray detector which detects X-rays emitted from the X-ray focuses and transmitted through an object, and a control unit which controls the X-ray source and the X-ray detector. The X-ray imaging apparatus selects a pair of X-ray focuses, of X-ray focuses of the plurality of X-ray focuses which project images on the X-ray detector through a region of interest which is an imaging region of the object, from which emitted X-rays define an intersecting angle coinciding with a predetermined angle in the region of interest, and decides an X-ray focus to be used for imaging from X-ray focuses between the selected pair of X-ray focuses. An X-ray image is captured by emitting X-rays from the decided X-ray focus and causing the X-ray detector to detect the X-rays.

X-ray imaging apparatus, method of controlling the same, and computer program

A mammography apparatus includes a detector that detects X-rays transmitted through a breast, and an optically transparent or semitransparent pressing panel for pressing the breast. The apparatus further includes a near infrared ray source that provided between the X-ray source and the pressing panel and arranged in a two-dimensional shape in alignment with the pressing panel, and that is movable between a first position in close contact with the pressing panel and a second position outside an X-ray image capture region. Near infrared image capture is carried out using the near infrared ray source by causing the near infrared ray source to be in the first position, and the near infrared ray source is caused to retract to the second position when carrying out X-ray image capture using the X-ray source.

Mammography apparatus

The present invention employs an object information acquiring apparatus including a plurality of light irradiators irradiating light from a light source to an object; an intensity modulator modulating intensity of the irradiated light for each light irradiator; a plurality of acoustic detectors detecting an acoustic wave generated from the object; and an information processor producing internal characteristic information of the object by using the acoustic wave, wherein the information processor controls a weight of each acoustic detector in production of the characteristic information, based on the intensity of light in each light irradiator.

Object information acquiring apparatus

An X-ray imaging apparatus is provided with a multi X-ray source and a collimator in which a plurality of slits for X-rays to pass through are two-dimensionally formed, the size and position of the slits being adjustable. A control unit, as a first control mode, controls the size and position of the slits to move an examination region in parallel, when an X-ray source is changed to a different X-ray source, such that the examination directions are parallel before and after the change. Also, the control unit, as a second control mode, controls the size and position of the slits to rotate the examination direction, when an X-ray source is changed to a different X-ray source, such that the center of the examination regions is the same before and after the change.

X-ray imaging apparatus

A stereoscopic X-ray imaging apparatus includes: right and left X-ray tubes; a diaphragm unit in which right and left openings are formed through which X-rays radiated by the right and left X-ray tubes pass, respectively; an X-ray sensor on which the X-ray radiated by each of the right and left X-ray tubes is projected; a controller configured to control positions and sizes of the right and left openings; and right and left visible light sources configured to radiate a visible light to the X-ray sensor in the same area as each of the right and left X-ray tubes through each of the right and left openings. Spectra of the visible light emitted by the right and left visible light sources are different from each other.

Stereoscopic X-ray imaging apparatus

An X-ray imaging apparatus is provided. The apparatus includes an X-ray sensor unit that detects X-rays, and a control unit that controls driving of an X-ray generator and the X-ray sensor unit. The control unit performs alignment imaging for imaging a still image of a subject. The still image is used as a reference for alignment of at least one of the X-ray generator and the X-ray sensor unit. After the alignment imaging, the control unit performs main imaging for imaging a moving image of the subject. The alignment imaging and the main imaging are performed under the same driving condition of the X-ray sensor unit.

Growing community of inventors

Kawasaki, Japan

Osamu Tsujii