Abstract: A radiographic image analysis apparatus includes a hardware processor. The hardware processor estimates a respiratory function of a subject based on a feature amount of a region of interest extracted from a dynamic image of a chest of the subject and examination result information on a past respiratory function examination on the subject.

Abstract: An image analysis apparatus includes a hardware processor that: receives a dynamic image that includes a plurality of frame images taken by dynamically radiographing an expiratory state of a subject including a trachea; sets an inside of a chest cavity in each of the plurality of frame images, as an intrathoracic region; extracts tracheal walls from the plurality of frame images; and gauges a tracheal diameter from the tracheal walls in the intrathoracic region.

Abstract: A non-transitory recording medium storing a computer readable program that causes a computer of a moving image management apparatus, which manages a radiographic moving image, to perform: obtaining that is obtaining a first radiographic moving image and a second radiographic moving image, the first radiographic moving image showing a movement of a subject while breathing is repeated a first number of times per unit time, and the second radiographic moving image showing a movement of the subject while breathing is repeated a second number of times that is different from the first number of times per the unit time; and associating that is associating respective numbers of breaths during imagings with the first radiographic moving image and the second radiographic moving image that are obtained in the obtaining.

Abstract: An image processing apparatus includes a hardware processor. The hardware processor obtains a medical image in which a subject is imaged, calculates a value of an evaluation item based on the medical image, sets evaluation items among a plurality of evaluation items, generates a radar chart using the value of each of the set evaluation items, and outputs the radar chart.

Abstract: A medical information management apparatus includes a hardware processor that manages first dynamic information obtained by performing dynamic radiographing on a first subject that does not have a disease and first attribute information of the first subject. The first dynamic information and the first attribution information is associated with each other.

Abstract: An X-ray-dynamic-image display apparatus includes a first hardware processor that: obtains X-ray-dynamic-image related information on an X-ray dynamic image obtained through X-ray dynamic imaging and camera-moving-image related information on a camera moving image obtained through camera imaging; and synchronously displays the X-ray-dynamic-image related information and the camera-moving-image related information.

Abstract: A dynamic image processing apparatus includes a hardware processor. The hardware processor extracts (i) a region of interest and/or (ii) a frame image of interest from a series of frame images obtained by dynamic imaging of a subject. Further, the hardware processor stores, of the series of the frame images, only (i) the extracted region of interest, (ii) the extracted frame image of interest or (iii) the extracted region of interest in the extracted frame image of interest in a storage.

Abstract: A non-transitory recording medium storing a computer readable program that causes a computer of a moving image management apparatus, which manages a radiographic moving image, to perform: obtaining that is obtaining a first radiographic moving image and a second radiographic moving image, the first radiographic moving image showing a movement of a subject while breathing is repeated a first number of times per unit time, and the second radiographic moving image showing a movement of the subject while breathing is repeated a second number of times that is different from the first number of times per the unit time; and associating that is associating respective numbers of breaths during imagings with the first radiographic moving image and the second radiographic moving image that are obtained in the obtaining.

Abstract: A dynamic image processing apparatus includes a hardware processor. The hardware processor extracts (i) a region of interest and/or (ii) a frame image of interest from a series of frame images obtained by dynamic imaging of a subject. Further, the hardware processor stores, of the series of the frame images, only (i) the extracted region of interest, (ii) the extracted frame image of interest or (iii) the extracted region of interest in the extracted frame image of interest in a storage.

Abstract: A dynamic image analysis apparatus includes a hardware processor. An imaging condition affects the area and the volume of a subject that are calculated from dynamic images obtained by radiographing a cyclic dynamic state of the subject from different directions. Based on a set value of the imaging condition in the radiographing, the hardware processor corrects the area or the volume of the subject calculated from the dynamic images. Further, based on (i) the volume calculated based on the corrected area or (ii) the corrected volume, the hardware processor estimates an evaluation index of a function of the subject.

Abstract: A dynamic analysis system includes a hardware processor. A first plurality of frame images showing a dynamic state of a chest of an intubated first examinee is obtained by radiation imaging of the chest of the first examinee. Based on the first plurality of frame images, the hardware processor calculates a signal value change amount and/or a shape change amount of a predetermined structure of the chest in the first plurality of frame images. Based on the calculated signal value change amount and/or shape change amount, the hardware processor generates assessment information to assess a respiratory status of the first examinee at time of intubation or extubation.

Abstract: A dynamic image processing apparatus includes a hardware processor. The hardware processor extracts (i) a region of interest and/or (ii) a frame image of interest from a series of frame images obtained by dynamic imaging of a subject. Further, the hardware processor stores, of the series of the frame images, only (i) the extracted region of interest, (ii) the extracted frame image of interest or (iii) the extracted region of interest in the extracted frame image of interest in a storage.

Abstract: A dynamic analysis apparatus includes: an obtainment unit configured to set a region of interest in dynamic images obtained by photographing a dynamic state by irradiation of a check target part with radial rays, and obtain movement information on movement of the region of interest; a determination unit configured to determine an emphasis level of a pixel signal value of an attentional pixel corresponding to a pixel in the region of interest on the basis of the movement information of the region of interest obtained by the obtainment unit; and a correction unit configured to correct the pixel signal value of the attentional pixel of the dynamic images or analysis result images generated by analyzing the dynamic images, on the basis of the emphasis level determined by the determination unit.

Abstract: A dynamic analysis system includes a diagnostic console which calculates at least one index value representing variation in a target portion of a human body from at least one dynamic image acquired by performing radiographic imaging to a subject containing the target portion, and evaluates flexibility of the target portion based on the calculated index value.

Abstract: A dynamic analysis system includes a diagnostic console which calculates at least one index value representing variation in a target portion of a human body from at least one dynamic image acquired by performing radiographic imaging to a subject containing the target portion, and evaluates flexibility of the target portion based on the calculated index value.

Abstract: A dynamic analysis device includes a processor. The processor performs filtering on a dynamic image in a feature quantity space formed of two or more axes with feature quantities of the respective axes. The dynamic image is obtained by dynamic imaging performed by emitting radiation to an examination target site. Further, the processor calculates a feature quantity relating to a dynamic state of the examination target site based on the filtered dynamic image.

Abstract: A dynamic analysis apparatus may include a setting section which sets a target region in a lung region of a chest dynamic image; a conversion section which calculates a representative value of a pixel signal value in the target region, and converts the pixel signal value; an extraction section which extracts a pulmonary blood flow signal from the image; and a calculation section which calculates a change in the pulmonary blood flow signal, and calculates a feature amount regarding pulmonary blood flow. The setting section may determine a size of the target region based on a size of a body part other than a lung blood vessel, a movement amount of a body part other than the lung blood vessel or subject information of the chest dynamic image, the subject information regarding a subject of the radiation imaging, and the setting section may set the target region.

Abstract: A dynamic analysis system includes a comparing unit and a display unit. The comparing unit extracts a lung field from each of dynamic images obtained by imaging a chest part containing a left lung and a right lung of a subject, specifies a corresponding point in a left part and a corresponding point in a right part of the lung field, and compares characteristic amounts at the respective corresponding points with each other. The display unit displays a result of the comparison made by the comparing unit together with the dynamic images or one of the dynamic images, or displays the result on the dynamic images or the one of the dynamic images.

Abstract: A dynamic analysis system includes an imaging device and an analysis device. The imaging device performs dynamic imaging by emitting radiation to a chest part of a human body, thereby obtaining a series of frame images showing a dynamic state of the chest part. The analysis device includes a controller. The controller (i) selects a first plurality of frame images to be analyzed from the series of frame images obtained by the imaging device, (ii) calculates, based on the first plurality of frame images, a ventilation amount index value that indicates an amount of ventilation of a lung field and a perfusion amount index value that indicates an amount of perfusion of the lung field, and (iii) calculates a ratio of the ventilation amount index value to the perfusion amount index value.

Abstract: A dynamic analysis system includes a hardware processor. A first plurality of frame images showing a dynamic state of a chest of an intubated first examinee is obtained by radiation imaging of the chest of the first examinee. Based on the first plurality of frame images, the hardware processor calculates a signal value change amount and/or a shape change amount of a predetermined structure of the chest in the first plurality of frame images. Based on the calculated signal value change amount and/or shape change amount, the hardware processor generates assessment information to assess a respiratory status of the first examinee at time of intubation or extubation.