Abstract: Disclosed is a way to provide a medical image processing device that may include a hardware processor that calculates at least one of trabecular connectivity, trabecular width, trabecular number, mineralization degree, osteoid volume, cortical width, and cortical porosity as a bone characteristic indicator of a subject from reconstructed image data generated from moiré image data acquired by photographing the subject.

Abstract: An X-ray imaging system includes an X-ray Talbot imaging device and an image processing device. The image processing device includes a hardware processor and a display. The hardware processor generates multiple types of reconstructed images based on each of moire images having different subject set angles captured by the X-ray Talbot imaging device; groups the reconstructed images by subject set angle and by type; detects, in each reconstructed image, a grating direction of the gratings and the subject set angle relevant to the grating direction; matches an image direction in each of the grouped reconstructed images with a reference direction based on the grating direction and the subject set angle; performs a same image adjustment process on the grouped reconstructed images; and causes the display to display the reconstructed images grouped by subject set angle or by type.

Abstract: Disclosed is a way to provide a medical image processing device that may include a hardware processor that calculates at least one of trabecular connectivity, trabecular width, trabecular number, mineralization degree, osteoid volume, cortical width, and cortical porosity as a bone characteristic indicator of a subject from reconstructed image data generated from moiré image data acquired by photographing the subject.

Abstract: An X-ray imaging system includes an X-ray Talbot imaging device and an image processing device. The image processing device includes a hardware processor and a display. The hardware processor generates multiple types of reconstructed images based on each of moire images having different subject set angles captured by the X-ray Talbot imaging device; groups the reconstructed images by subject set angle and by type; detects, in each reconstructed image, a grating direction of the gratings and the subject set angle relevant to the grating direction; matches an image direction in each of the grouped reconstructed images with a reference direction based on the grating direction and the subject set angle; performs a same image adjustment process on the grouped reconstructed images; and causes the display to display the reconstructed images grouped by subject set angle or by type.

Abstract: A digital radiation image radiographing system includes an X-ray tube to irradiate a radiographic subject with X-rays and a digital detector to detect X-rays having passed through the radiographic subject, and performs a phase contrast radiography. The system satisfies a formula (D?(2S?E)/(M?1)), in which D (?m) represents the focal size of the X-ray tube, S (?m) represents the minimum control unit of the digital detector, R1 (m) represents a distance from the focus point of the X-ray tube to the radiographic subject, R2 (m) represents a distance from the radiographic subject to the digital detector, M represents an enlargement ratio (M=(R1+R2)/R1), and E represents an edge enhancement width according to X-ray refraction.

Abstract: A bone disease evaluating system comprising a radiation source for emitting radiation toward an image subject including bones, a detector for detecting a radiation phase contrast image showing the phase contrast of radiation emitted from the radiation source and transmitted through the bones, a joint recognizing section for recognizing a joint of the bones from the phase contrast image, and a profile obtaining section for obtaining a shape profile showing the change of shape of the joint from the recognized joint and a frequency analyzing section for performing frequency analysis of the obtained shape profile and an index calculating section for calculating an index concerning a disease of the joint on the basis of the result of the frequency analysis.

Abstract: Radiation image photographing apparatus equipped with radiation source irradiating subject with radiation, detector holding part holding radiation image detector that detects radiation that is emitted from radiation source and is transmitted through subject, subject table that is arranged between the radiation source and detector holding part and holds subject, and with holding device that holds the radiation source, the subject table and the detector holding part so that phase contrast image may be generated, wherein an edge portion of the subject table is protruded toward the opposite side of the holding device beyond the edge portion of the detector holding part.

Abstract: To provide a digital radiation image imaging system capable of edge being an effect of a phase contrast radiography even an image is formed at any phase (position) on a reading control unit.

Abstract: A digital radiation image imaging system is provided for outputting a detected edge-emphasized image without deteriorating the image. Under the assumption that “D” (P?) represents a focal point diameter of X-ray tube, “S” (P?) represents a minimum control unit of a digital detector, “A” (P?) represents a minimum control unit of an image output apparatus, “R1” (m) represents a distance from a focal point of X-ray tube to a subject, “R2” (m) represents a distance from a subject to the digital detector, magnifying power “M” equals (R1+R2)/R1, and “E” represents an edge emphasis width caused by X-ray refraction, the relationships S>A and D?(S?E)/(M?1) are caused to hold, and the minimum control unit “S” and an aggregate of n pieces of minimum control units “A” are caused to correspond as data to be reproduced and outputted.

Abstract: An X-ray source, a test substance holding section and an image recording section are arranged and structured to conduct a phase contrast radiographing such that when R1 represents a distance (m) from a focal point of the X-ray source to the test substance held by the test substance holding section and R3 represents a distance (m) from the focal point of the X-ray source to the X-ray detector, a magnifying power M represented by the formula of (M=R3/R1) is from 10 to 40 and an X-ray arrival ratio of an amount of X-rays having arrived to the X-ray detector to an amount of the emitted X-rays is 45% or more.

Abstract: Image data of a phase contrast image corresponding to a high-energy zone and image of a phase contrast image corresponding to a low-energy zone are generated by a radiation image photographing apparatus and the image data of the generated images is displayed on an image displaying apparatus.

Abstract: Radiation image photographing apparatus equipped with radiation source irradiating subject with radiation, detector holding part holding radiation image detector that detects radiation that is emitted from radiation source and is transmitted through subject, subject table that is arranged between the radiation source and detector holding part and holds subject, and with holding device that holds the radiation source, the subject table and the detector holding part so that phase contrast image may be generated, wherein an edge portion of the subject table is protruded toward the opposite side of the holding device beyond the edge portion of the detector holding part.

Abstract: A radiation image detector for detecting an irradiated radiation and for obtaining radiation image information, includes: an image generation mode; and a plurality of image generation standby modes, wherein the plurality of image generation standby modes includes: a first standby mode having electric power consumption amount at least lower than electric power consumption amount of the image generation mode; and a second standby mode having electric power consumption amount lower than the electric power consumption amount of the first standby mode, and the radiation image detector includes a switching section for switching among the image generation mode and the plurality of image generation standby modes.

Abstract: A radiation image detector for detecting an irradiated radiation and for obtaining radiation image information, includes: an image generation mode; and a plurality of image generation standby modes, wherein the plurality of image generation standby modes includes: a first standby mode having electric power consumption amount at least lower than electric power consumption amount of the image generation mode; and a second standby mode having electric power consumption amount lower than the electric power consumption amount of the first standby mode, and the radiation image detector includes a switching section for switching among the image generation mode and the plurality of image generation standby modes.