Hitachi Medical Corporation

Hitachi, Ltd.

Fujifilm Corporation

Fujifilm Healthcare Corporation

Takashi Shirahata

Tetsuo Nakazawa

Yoshihiro Goto

Takayuki Kadomura

Hiroto Kokubun

Ryota Kohara

Shino Tanaka

Osamu Miyazaki

Hiroki Taniguchi

Atsushi Inoue

Toru Nakagawa

Michio Oikawa

Tomohiro Nagao

Hanae Yoshida

Kouji Yamaguchi

Nobutaka Abe

Yudai Ogawa

Xinxin Xu

Maihefureti Ainiwaer

To specify, collect, and manage data that matches a usage purpose of a user with high efficiency among enormous medical data. In a case where prescribed medical data is data worthy of evaluation for a user who manipulates a user terminal, a communication unit receives an evaluation result. A database generation unit selectively reads the medical data the evaluation result of which has been received by the communication unit among the medical data accumulated in a medical information storage, and stores the medical data in the storage unit. This processing is repeated every time when an evaluation result is received to generate a database.

Medical data evaluation utilization system and medical data evaluation utilization method

To reduce time required for establishing diagnosis of a lesion candidate, a diagnostic imaging support system including a medical image shooting device for shooting an image of a subject and a medical image processing device for processing the medical image, the system including: a projection data acquisition part for acquiring projection data of the subject; a reconstruction part for reconstructing the medical image based on the projection data; an acquisition part for acquiring lesion candidate data which is data on lesion candidates detected from the medical image; a reconstruction condition decision part for deciding, on the basis of the lesion candidate data, a reconstruction condition for a magnified reconstruction image which includes the lesion candidates and is more magnified than the medical image; a magnification reconstruction part for reconstructing the magnified reconstruction image by using the reconstruction condition; and a display part for displaying the magnified reconstruction image.

Medical diagnostic imaging support system, medical image processing device, and medical image processing method

There is provided an image processing device capable of generating a more accurate analysis image by extracting a region, which exists at a boundary between different substances and has a pixel value that is non-uniform and continuously changes, from volume data. The image processing device acquires the volume data of a region which includes a large intestine, sets a plurality of starting points of region expansion in a boundary region between air and a residue in the large intestine, sets a condition of an expandable range of a width according to a gradient of a pixel value of each of the starting points, performs a region expansion process from each of the starting points according to the set condition, and generates the analysis image based on the result of the region expansion process.

Image processing device and image processing method

An image display device such as a medical image display device is provided for supporting that information necessary for diagnosis is sufficiently displayed and the diagnosis without any error is conducted in a short period of time. The medical image display deviceperforms a region of interest setting process for setting a region of an observation site in volume data and a lesion candidate region relating to the observation site, a display image generating process for generating a display image that allows a size of the lesion candidate region to be distinguishable, being adjacent to the observation site on a projection line of interest, when a pixel having a reference pixel value on the projection line of interest corresponds to a pixel of the region of the observation site, and an image displaying process for displaying the display image being generated.

Image display device for medical applications, image display method for medical applications

The medical image display device is provided with a medical image reading unit configured to read a medical image obtained by a medical image diagnostic apparatus, a projected image creating unit configured to project the medical image onto a projection plane to created the projected image, and a projected image display unit configured to display the projected image, wherein the projected image creating unit has a virtual liquid generating unit configured to generate virtual liquid, the light transmittance of which is not zero and a virtual liquid adding unit configured to add the virtual liquid to the surface of an organ within the medical image, and creates a projected image of the medical image to which the virtual liquid has been added.

Medical image display device and medical image display method

In a medical image display device for displaying a hollow organ of an examinee as a panoramic image, in order to inform an operator of the existence or nonexistence of a blind area in a panoramic image, the medical image display device has a panoramic image creating unit configured to create a panoramic image of a hollow organ of an examinee and a display unit configured to display the panoramic image, and further has a blind area detecting unit configured to detect a blind area in the panoramic image and an informing unit configured to inform an operator of the existence or nonexistence of the blind portion. Furthermore, a medical image display method of the present invention has a panoramic image creating step that creates a panoramic image of a hollow organ of an examinee and a display step that displays the panoramic image, and further has a blind area detecting step that detects a blind area in the panoramic image and an informing step that informs an operator of the existence or nonexistence of the blind portion.

Medical image display device and method

In a medical image display device for displaying a hollow organ of an examinee as a panoramic image, an operator is enabled to easily determine whether display of an observation site on the panoramic image is correct or not. The medical image display device having panoramic image creating means configured to create a panoramic image of a hollow organ of an examinee and display means configured to display the panoramic image includes false image probability calculating means configured to calculate a false image probability of a position in the panoramic image in accordance with the position concerned, and control means configured to display the false image probability in association with the panoramic image. Furthermore, the medical image display device having panoramic image creating means configured to create a panoramic image of a hollow organ of an examinee and display means configured to display the panoramic image includes false image probability calculating means configured to calculate a false image probability of a position in the panoramic image in accordance with the position concerned, and control means configured to display the panoramic image on the basis of the false image probability.

Medical image display device and method of medical image display

Provided is an image processing apparatus that automatically recognizes a plurality of organs to subsequently visualize the automatic recognition results in an easy-to-understand manner, and facilitate a modification of the displayed recognition results. The image processing apparatus () uses an image processing algorithm to perform an image processing of medical image volume data. The image processing apparatus () comprises an organ recognition algorithm executing unit () that applies an organ recognition algorithm to medical image volume data to generate and output, as an organ recognition result, structural information on the plurality of organs, and a recognition result displaying unit () that displays the organ recognition result. The image processing apparatus () comprises: a recognition result judging unit () that acquires, via an input device (), judgment information on whether or not the structural information is correct enough for each of the plurality of organs to be properly recognized; and an organ recognition algorithm revising unit that acquires the judgment information from the recognition result judging unit (), changes reference information on each organ according to the acquired judgment information and changes the organ recognition algorithm to recognize the plurality of organs using the changed reference information.

Image processing method, image processing apparatus and program

A medical image display device provided with storage means for storing a sliced image of an object to be examined obtained by a medical image diagnostic apparatus, extraction means for extracting a center line passing through the region of a hollow organ of the object and the center thereof from the sliced image stored by the storage means, and 3-dimensional image generation means for generating a virtual 3-dimensional image of the inner wall of the hollow organ seen from a viewpoint while sequentially moving the viewpoint from one end to the other end of the center line is provided, with means for changing the direction in which the virtual 3-dimensional image seen from the viewpoint is generated to the direction of bending curvature of the hollow organ according to the bending curvature thereof.

There is provided a medical image processing device and a medical image processing method that can extract and display lesion candidate regions having different sizes and similarity forms at a time through a series of processing. Therefore, with respect to a first medical image, a first evaluation for the curved surface form of the first medical image is made to extract first lesion candidate regions. With respect to each of the first lesion candidate regions extracted by a first extracting unit, a second evaluation for the curved surface form thereof is made to extract a second lesion candidate region. The second lesion candidate region extracted by a second extracting unit is superimposed and displayed on a second medical image.

Medical image processing device and medical image processing method

A medical image processing device is configured to set a parameter to be used for detecting a lesion candidate region. For example, the medical image processing device is configured to input a first parameter Pestimating a dimension of the lesion, calculate a second parameter Pbased on the first parameter Pcalculate a feature amount indicating a shape of an organ surface by using the second parameter in the medical image, and extract the lesion candidate region based on the calculated feature amount.

Image processing device and method for processing image to detect lesion candidate region

A medical image display apparatus in accordance with the present invention includes a means () for selectively inputting a desired medical image from among medical images taken by a medial-image radiography system, a deployed image creating means () for reading the selectively inputted medical image from the medical-image radiography system or an external storage device, and producing a deployed image of a region of a luminal organ contained in the read medical image, and a control means () for controlling display of the created deployed image on a display means (). The control means () includes a correcting means () for calculating a magnitude of a variance between radial information, which contracts or expands to a predetermined value in the region of the luminal organ, and radial information on a nearby position, and correcting a distortion of the deployed image, which is created by the deployed image creating means (), on the basis of the calculated magnitude of the variance between the pieces of radial information.

Medical image displaying apparatus, medical image displaying method, and medical image displaying program

A medical image display apparatus of the present invention is used in a medical image display system having a function of preparing three-dimensional image data on a subject including a plurality of luminal organs and displaying the prepared three-dimensional image data on a display () as a three-dimensional image. The medical image display apparatus includes a curved-surface creation section () which specifies a desired luminal organ in an image showing the plurality of luminal organs displayed on the display () and sets a curved surface where the specified desired luminal organ is present; a developed-image creation section () which extracts, from the three-dimensional image data, pixel values on the curved surface set by the curved-surface creation section (), creates curved-surface image data by use of the extracted pixel values on the curved surface, and reconstructs two-dimensional image data (developed image data) from the created curved-surface image data; and a CPU () which controls the display () so as to display the developed image data reconstructed by the developed-image creation section ().

Medical image display system and medical image display program

A nuclear medicine diagnosis apparatus comprising a mechanical collimator for effecting passage in a given direction of photons with given energy emitted from an object injected or dosed with a drug containing a radioactive isotope; a former-stage detector for detecting positional information at a point of reaction of photons having passed through the mechanical collimator and information on the momentum of charged particles generated by the reaction; a latter-stage detector disposed in the subsequent stage of the former-stage detector to detect information on the photons having been scattered by the former-stage detector; and image reconstruction means for reconstructing an image from detection information having been collected from the former-stage detector and latter-stage detector, wherein the image reconstruction means is built so that differentiation is carried out on the information on the photons having passed through the mechanical collimator and the information on the photons having been scattered by the former-stage detector and that the image reconstruction is carried out by different image reconstruction algorithms from the individual differentiated detection information.

Nuclear medicine diagnosis apparatus

A medical image diagnosis support device comprises an organ region setting means, a deformation degree calculating means for calculating the deformation degree of the organ region set by the organ region setting means, a reference value storing means, a lesion detecting means for comparing the stored reference value with the deformation degree calculated by the deformation calculating means and for detecting existence of a lesion of the organ region from the comparison result, and a presenting means for presenting the existence to the examiner at least either visually or auditorily. Thus, the device can make a diagnosis selectively only on an organ region deformed because of a lesion and present it to the examiner visually such as by means of an image display or auditorily such as by means of speech, thereby improving the efficiency of diagnosis.

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Tokyo, Japan

Takashi Shirahata