Abstract: An image processing apparatus includes a processor including hardware, wherein the processor is configured to: construct first and second pieces of three-dimensional image data based on two different subject images received; arrange first and second three-dimensional shapes included in the first and second pieces of three-dimensional image data at positions corresponding to pieces of image pickup position information; calculate a deviation angle based on at least one of a degree of similarity between hues, a degree of similarity between textures and a degree of similarity between edges, and correct the deviation angle and arrange the first and second three-dimensional shapes in three-dimensional space to generate a three-dimensional shape image.

Abstract: A medical apparatus includes: an information acquisition section configured to acquire position information and visual line information in an endoscope inserted into a predetermined organ; an image acquisition section configured to acquire an image obtained by observing inside of the predetermined organ from a predetermined viewpoint; an alignment section configured to convert the position information and the visual line information to a coordinate system of a model of the predetermined organ; a position calculation section configured to calculate position information of an inner wall of the predetermined organ opposing in a visual line direction from the predetermined viewpoint; an index generation section configured to generate an index defined based on a predetermined feature; and an image generation section configured to generate an image in which the index and position information of the inner wall are associated, for the image acquired by the image acquisition section.

Abstract: An image processing apparatus includes a processor including hardware, wherein the processor is configured to: construct first and second pieces of three-dimensional image data based on two different subject images received; arrange first and second three-dimensional shapes included in the first and second pieces of three-dimensional image data at positions corresponding to pieces of image pickup position information; calculate a deviation angle based on at least one of a degree of similarity between hues, a degree of similarity between textures and a degree of similarity between edges, and correct the deviation angle and arrange the first and second three-dimensional shapes in three-dimensional space to generate a three-dimensional shape image.

Abstract: An image processing apparatus includes: a three-dimensional model structuring section configured to generate, when an image pickup signal related to a region in a subject is inputted from an image pickup apparatus configured to pick up an image of an inside of the subject, three-dimensional data representing a shape of the region based on the image pickup signal; and an image generation section configured to perform, on the three-dimensional data generated by the three-dimensional model structuring section, processing of allowing visual recognition of a boundary region between a structured region that is a region, an image of which is picked up by the image pickup apparatus, and an unstructured region that is a region, an image of which is yet to be picked up by the image pickup apparatus, and generate a three-dimensional image.

Abstract: An endoscope system for analyzing, when an endoscope is inserted into a subject, an observed region and an unobserved region of the endoscope using information of a three-dimensional image of the subject obtained in advance, including: one or more processors comprising hardware, for: three-dimensionally changing a display direction for displaying a luminal organ model extracted from a three-dimensional image, and when an identification image provided with identification information is generated on the luminal organ model with the display direction changed, generating the identification image in a direction such that a proportion of the non-angle-of-view region in the identification image is largest.

Abstract: The endoscope system includes: an endoscope including an insertion portion to be inserted into a subject, and an image pickup portion that picks up an image of inside of the subject; an image pickup information acquisition portion that acquires positional information of the image pickup portion; an insertion form information acquisition portion that acquires insertion form information of the insertion portion inside the subject; and a control portion that, on a stereoscopic model image that simulates a predetermined organ inside the subject, superimposes an insertion form image that is based on insertion form information that is acquired by the insertion form information acquisition portion, and based on positional information of the image pickup portion that is acquired by the image pickup information acquisition portion, also pastes an image pickup image that is picked up by the image pickup portion, and presents the resulting stereoscopic model image.

Abstract: A medical apparatus includes: an information acquisition section configured to acquire position information and visual line information in an endoscope inserted into a predetermined organ; an image acquisition section configured to acquire an image obtained by observing inside of the predetermined organ from a predetermined viewpoint; an alignment section configured to convert the position information and the visual line information to a coordinate system of a model of the predetermined organ; a position calculation section configured to calculate position information of an inner wall of the predetermined organ opposing in a visual line direction from the predetermined viewpoint; an index generation section configured to generate an index defined based on a predetermined feature; and an image generation section configured to generate an image in which the index and position information of the inner wall are associated, for the image acquired by the image acquisition section.

Abstract: An image processing apparatus includes: an information acquisition section configured to acquire information of an observation position and a visual line direction for observing an inside of a subject by using an objective optical system; a boundary position generation section configured to generate boundary position information indicating a boundary position of an angle-of-view region and another region of the objective optical system on a three-dimensional image of the subject; a non-angle-of-view region extraction section configured to extract a non-angle-of-view region not in the angle of view on the three-dimensional image based on the boundary position information generated by the boundary position generation section; and an image generation section configured to generate an identification image for a luminal organ model based on the three-dimensional image, the identification image being provided with identification information for identifying the non-angle-of view region.

Abstract: An endoscope system includes an image pickup device that is inserted into a subject and picks up an image inside the subject and a memory that records an intra-subject image acquired by the image pickup device and position information of the image pickup device in association with each other. The endoscope system includes an image generating section that applies, to the intra-subject image, when it is determined that a release signal is generated as a predetermined trigger signal, predetermined processing for distinguishably displaying the intra-subject image at a time when the release signal is generated and generates an image obtained by pasting the intra-subject image onto a model image of a predetermined organ.

Abstract: An endoscope system includes an endoscope including an image pickup section that picks up an image of a subject lumen organ, a recording section that records three-dimensional image information of a lumen organ acquired from a medical diagnosis apparatus, a position estimating section that estimates a distal end position of the endoscope, a lumen-diameter acquiring section that acquires a lumen diameter of the organ in the estimated position of the distal end, a condition determining section that determines whether the acquired lumen diameter is smaller than the reference lumen diameter, an image-change-amount detecting section that detects a change amount of a predetermined parameter in an endoscopic image picked up by the image pickup section, a virtual-endoscopic-image generating section that generates a virtual endoscopic image from any visual point position, and an information recording section that records a position of a distal end of an insertion section and the virtual endoscopic image.

Abstract: An endoscope system includes an insertion portion, an objective optical window, an image pickup device, a position/direction detection section that acquires position information of the objective optical window, and a memory that records the subject internal image acquired by the image pickup device in association with the position information of the objective optical window. The endoscope system aligns the position information of the objective optical window with a reference position of a predetermined organ in the subject in a coordinate system of a three-dimensional model image based on an amount of change or the like of the subject internal image information in the subject and generates an image with the subject internal image pasted onto the two-dimensional model image of the predetermined organ which is the three-dimensional model image two-dimensionally developed in which the position of the objective optical window is associated with the position in the coordinate system.

Abstract: An endoscope system includes: a position and posture calculating portion that estimates a position of a distal end and a longitudinal direction of a distal end portion; a condition determining portion that, based on the shape information at the position of the distal end that is estimated, determines whether or not an angle that a core line direction of the luminal organ and the longitudinal direction estimated by the position and posture calculating portion form is equal to or less than a predetermined threshold value; and a position and posture information recording portion that, when the angle that the core line direction and the longitudinal direction form is equal to or less than the predetermined threshold value, records information regarding the position and the longitudinal direction of the distal end.

Abstract: A medical apparatus includes: a storage section that stores three-dimensional image information in a subject, the three-dimensional image information being acquired in advance; an image pickup unit that acquires an optical image in the subject; a luminal organ extracting section that extracts image information of a three-dimensional shape of a specific luminal organ in the subject; a position correspondence control section that sets correspondence between two coordinate systems; a feature information acquisition section that acquires feature information in the image information of the extracted three-dimensional shape of the specific luminal organ; an associated image generating section that generates an image in which the feature information is associated with the image information of the three-dimensional shape of the specific luminal organ; a control section that performs control to display a piece of the feature information in the vicinity of the position information of the image pickup unit, etc.

Abstract: An endoscope system includes: an image storage section that stores image information associated with position information of a luminal organ of a subject; a virtual endoscopic image generating section that generates a virtual endoscopic image endoscopically depicted; an image pickup section that picks up an image in the luminal organ; a position registration processing section that compares the virtual endoscopic image and an endoscopic image, and extracts an virtual endoscopic image similar to the endoscopic image; a position estimation section that estimates a distal end position of an endoscope insertion portion; a feature region determination section that determines whether or not the distal end position exists in a feature region; a storage section that stores information for presentation; and a candidate information presentation control section that presents the virtual endoscopic image based on the information in the storage section, to a display section as candidate information.

Abstract: The endoscope system includes: an endoscope including an insertion portion to be inserted into a subject, and an image pickup portion that picks up an image of inside of the subject; an image pickup information acquisition portion that acquires positional information of the image pickup portion; an insertion form information acquisition portion that acquires insertion form information of the insertion portion inside the subject; and a control portion that, on a stereoscopic model image that simulates a predetermined organ inside the subject, superimposes an insertion form image that is based on insertion form information that is acquired by the insertion form information acquisition portion, and based on positional information of the image pickup portion that is acquired by the image pickup information acquisition portion, also pastes an image pickup image that is picked up by the image pickup portion, and presents the resulting stereoscopic model image.

Abstract: An endoscope system includes an image pickup device that is inserted into a subject and picks up an image inside the subject and a memory that records an intra-subject image acquired by the image pickup device and position information of the image pickup device in association with each other. The endoscope system includes an image generating section that applies, to the intra-subject image, when it is determined that a release signal is generated as a predetermined trigger signal, predetermined processing for distinguishably displaying the intra-subject image at a time when the release signal is generated and generates an image obtained by pasting the intra-subject image onto a model image of a predetermined organ.

Abstract: An endoscope system includes an endoscope including an image pickup section that picks up an image of a subject lumen organ, a recording section that records three-dimensional image information of a lumen organ acquired from a medical diagnosis apparatus, a position estimating section that estimates a distal end position of the endoscope, a lumen-diameter acquiring section that acquires a lumen diameter of the organ in the estimated position of the distal end, a condition determining section that determines whether the acquired lumen diameter is smaller than the reference lumen diameter, an image-change-amount detecting section that detects a change amount of a predetermined parameter in an endoscopic image picked up by the image pickup section, a virtual-endoscopic-image generating section that generates a virtual endoscopic image from any visual point position, and an information recording section that records a position of a distal end of an insertion section and the virtual endoscopic image.

Abstract: An endoscope system includes: a position and posture calculating portion that estimates a position of a distal end and a longitudinal direction of a distal end portion; a condition determining portion that, based on the shape information at the position of the distal end that is estimated, determines whether or not an angle that a core line direction of the luminal organ and the longitudinal direction estimated by the position and posture calculating portion form is equal to or less than a predetermined threshold value; and a position and posture information recording portion that, when the angle that the core line direction and the longitudinal direction form is equal to or less than the predetermined threshold value, records information regarding the position and the longitudinal direction of the distal end.

Abstract: An endoscope system includes: a virtual endoscopic image generating section that generates a virtual endoscopic image; an image pickup section picking up an image of an inside of the lumen; a position information obtaining section that obtains information on a position of a distal end of an insertion portion of an endoscope; a distance calculating section that calculates a distance from the obtained position of the distal end of the insertion portion to a feature region; a distance comparing section that determines whether or not the calculated distance is within a set distance via comparison; a variation amount detecting section that detects a variation amount of a feature of a structure of an organ in the picked-up endoscopic image; and an information recording section that records the position of the distal end of the insertion portion based on a result of the comparison by the distance comparing section.

Abstract: An endoscope system includes: an image storage section that stores image information associated with position information of a luminal organ of a subject; a virtual endoscopic image generating section that generates a virtual endoscopic image endoscopically depicted; an image pickup section that picks up an image in the luminal organ; a position registration processing section that compares the virtual endoscopic image and an endoscopic image, and extracts an virtual endoscopic image similar to the endoscopic image; a position estimation section that estimates a distal end position of an endoscope insertion portion; a feature region determination section that determines whether or not the distal end position exists in a feature region; a storage section that stores information for presentation; and a candidate information presentation control section that presents the virtual endoscopic image based on the information in the storage section, to a display section as candidate information.