Patent application number | Description | Published |
20080260206 | IMAGE PROCESSING APPARATUS AND COMPUTER PROGRAM PRODUCT - An image processing apparatus includes a feature-quantity calculating unit that calculates feature quantities of target regions each indicating a tracking object in respective target images, the target images being obtained by capturing the tracking object at a plurality of time points; a provisional-tracking processing unit that performs provisional tracking of the target region by associating the target regions of the target images with each other using the calculated feature quantities; and a final-tracking processing unit that acquires a final tracking result of the target region based on a result of the provisional tracking. | 10-23-2008 |
20090148014 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING PROGRAM PRODUCT - An image processing apparatus includes an edge intensity calculator which calculates an edge intensity of a pixel in an image; and a correlation value calculator which calculates a correlation value between the calculated edge intensity and a bubble model set in advance based on characteristics of a bubble image. The apparatus also includes a bubble area detector which detects a bubble area based on the calculated correlation value. | 06-11-2009 |
20090202124 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT - An image processing apparatus for performing an image processing on a body cavity image captured in a living body includes: a storage unit which stores information including image information of the body cavity image; a change amount calculator which reads out the image information of the body cavity image from the storage unit and calculates, in the read body cavity image, a pixel value change amount of a pixel of interest with a plurality of surrounding pixels located around the pixel of interest; and a candidate lesion region detector which detects a candidate lesion region in the body cavity image based on calculation result of the change amount calculator. | 08-13-2009 |
20090252390 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus for extracting images from a continuous image sequence includes a storage unit that stores image information about images constituting the image sequence; an image reading unit that reads the image information from the storage unit; and an image change amount calculating unit that calculates a predetermined image change amount between at least two images using the image information read by the image reading unit. The apparatus also includes an image change amount information adding unit that adds information about the image change amount calculated by the image change amount calculating unit to a corresponding image; and an image extracting unit that extracts a preset number of images from the image sequence based on the information added to each image by the image change amount information adding unit. | 10-08-2009 |
20100061597 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING PROGRAM AND IMAGE PROCESSING METHOD - An image processing device for processing time-series intraluminal images captured by an imaging device moving in an in-vivo lumen. The image processing device includes a structural area extracting unit that extracts a structural area from the intraluminal image; a corresponding area extracting unit that extracts a corresponding area corresponding to the structural area from the intraluminal image at a second time point different from a first time point at which the structural area is extracted; a lumen deep portion extracting unit that extracts a lumen deep portion, on which a deep portion in the lumen is captured, from the intraluminal image; and a movement amount estimating unit that estimates a movement amount of the imaging device based on positions of the structural area, the corresponding area and the lumen deep portion. | 03-11-2010 |
20100092091 | IMAGE DISPLAY APPARTUS - An image display apparatus displays time-series images, and includes a display-condition receiving unit that receives at least an input that specifies a minimum display rate as a display condition for displaying each image that makes up time-series images; an importance calculating unit that calculates an importance coefficient that represents the degree of importance of each of the images; a display-time calculating unit that calculates a display time for each of the images using the display condition that is received by the display-condition receiving unit and the importance coefficient that is calculated by the importance calculating unit; and a display control unit that performs control so that the images are displayed on a display unit sequentially in a temporal order for the respective display times that are calculated by the display-time calculating unit. | 04-15-2010 |
20100119110 | IMAGE DISPLAY DEVICE, COMPUTER READABLE STORAGE MEDIUM STORING IMAGE PROCESSING PROGRAM, AND IMAGE PROCESSING METHOD - An image processing apparatus includes an area dividing unit that divides an image obtained by capturing inside of a body lumen into one or more areas by using a value of a specific wavelength component that is specified in accordance with a degree of absorption or scattering in vivo from a plurality of wavelength components included in the image or wavelength components obtained by conversion of the plurality of wavelength components; and a target-of-interest site specifying unit that specifies a target-of-interest site in the area by using a discriminant criterion in accordance with an area obtained by the division. | 05-13-2010 |
20100124365 | IMAGE DISPLAY DEVICE, COMPUTER READABLE STORAGE MEDIUM STORING IMAGE PROCESSING PROGRAM, AND IMAGE PROCESSING METHOD - An image processing device includes a feature value calculating unit that calculates a color feature value of each pixel or each segment inside at least one of a series of images captured by an image pickup device while moving inside a gastrointestinal tract; a color feature value estimating unit that, based on data distribution of the color feature value of each pixel or each segment, estimates color feature value data representing mucous membrane and color feature value data representing gastrointestinal contents; and a discrimination boundary setting unit that, based on the estimated color feature value data, sets a color feature value discrimination boundary between mucous membrane and gastrointestinal contents. | 05-20-2010 |
20100135533 | DETERMINATION DEVICE AND DETERMINATION METHOD - A determination device includes a region information recording unit that records therein region information regarding a closed region corresponding to a data distribution shape of a same category within a feature space, the closed region being formed by a plurality of nodes and line segments connecting the plurality of nodes. The determination device also includes a category deciding unit that decides a category of a determination target based on the region information and a position of the determination target within the feature space. | 06-03-2010 |
20100183204 | Image processing device, image processing method, and computer readable storage medium storing image processing program - An image processing device includes a region-of-interest detecting unit that detects a region of interest from each of sequence images acquired in chronological order; a region dividing unit that divides a plurality of images temporally neighboring to each other into regions based on region-of-interest detection results obtained from the plurality of images; an inter-image variation calculating unit that calculates an inter-image variation between the plurality of images based on a variation in each region obtained by the division by the region dividing unit; and a display-condition setting unit that sets a display condition for each image based on the inter-image variation. | 07-22-2010 |
20100272358 | IMAGE PROCESSING APPARATUS AND PROGRAM STORAGE MEDIUM - An image processing apparatus according to an embodiment that processes time-series images that include a plurality of images captured in time series includes an interval setting unit that sets a time-series interval on the basis of a variation between images of the time-series images; and an area classifying unit that performs, in an image included in the time-series interval, classification into a plurality of category areas using a classification reference for each time-series interval set by the interval setting unit. | 10-28-2010 |
20110069876 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING PROGRAM RECORDING MEDIUM, AND IMAGE PROCESSING METHOD - An image processing apparatus includes: a category area dividing unit that divides each image constituting the time-series images of an object to be examined, which are captured in time series, into category areas including an examined area and an abnormal candidate area, the examined area showing the object to be examined, the abnormal candidate area being possibly an abnormal area showing an abnormal site of the object to be examined; an optical flow calculator that calculates optical flows of the examined area and the abnormal candidate area from images constituting the time-series images; and an abnormal area detector that compares the optical flow of the examined area and the optical flow of the abnormal candidate area, and detects the abnormal candidate area as the abnormal area according to the result of the comparison. | 03-24-2011 |
20110280443 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM - An image processing apparatus includes an identification criterion creating unit that creates an identification criterion so as to enable identification of specific regions in a target image to be processed that is selected in chronological order from among images constituting a set of time-series images; includes a feature data calculating unit that calculates the feature data of each segmented region in the target image to be processed; and includes a specific region identifying unit that, based on the feature data of each segmented region, identifies the specific regions in the target image to be processed by using the identification criterion. Moreover, the identification criterion creating unit creates the identification criterion based on the pieces of feature data of the specific regions identified in the images that have been already processed. | 11-17-2011 |
20110311133 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER READABLE RECORDING MEDIUM - An image processing apparatus includes: a first judging unit that determines an unnecessary candidate region, on a basis of first feature data based on color information of an intraluminal image; and a second judging unit that judges whether the unnecessary candidate region is an unnecessary region, based on second feature data, which is different from the first feature data, of the unnecessary candidate region. | 12-22-2011 |
20120002879 | IMAGE PROCESSING APPARATUS, METHOD OF PROCESSING IMAGE, AND COMPUTER-READABLE RECORDING MEDIUM - An image processing apparatus includes: an area extracting unit that extracts a candidate area of a classification target area in which a pixel value does not correspond to a three-dimensional shape of an imaging target based on pixel values of an intraluminal image acquired by imaging the inside of a lumen or information of a change in pixel values of peripheral pixels; and an area classifying unit that classifies the classification target area out of the candidate area based on the pixel values of the inside of the candidate area, a boundary portion of the candidate area, or a periphery portion of the candidate area. | 01-05-2012 |
20120008860 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM - An image processing apparatus includes a low-luminance area detecting unit that detects a low-luminance area based on pixel values of pixels of the intraluminal image; a peripheral feature data calculating unit that calculates peripheral feature data based on pixel values of periphery of the low-luminance area; and a dark portion area determining unit that determines whether or not the low-luminance area is the dark portion area based on the peripheral feature data. | 01-12-2012 |
20120148153 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD AND COMPUTER-READABLE RECORDING DEVICE - An image processing apparatus to detect a bubble region included in image includes: a bubble candidate region setting unit which sets, from the image, a region as a bubble candidate region, the region having shape corresponding to a bubble region shape model stored in a storage unit; and a bubble region determination unit which determines, on the basis of information belonging to the bubble candidate region, whether the bubble candidate region is a bubble region. | 06-14-2012 |
20120155724 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD AND COMPUTER-READABLE RECORDING DEVICE - An image processing apparatus includes: a candidate point extraction unit which extracts, from an image, candidate points which are candidates for points constituting a circular region that represents a bubble; and a circular-region detecting unit which detects a circular region in the image on the basis of information belonging to the candidate points. | 06-21-2012 |
20120177259 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, COMPUTER-READABLE RECORDING DEVICE - In an image processing device that discriminates between a mucosal region and a non-mucosal region that are contained in an intraluminal image, the image processing device includes a residue candidate region detecting unit that detects a residue candidate region to be discriminated whether the candidate region is a mucosal region or not, on the basis of a feature data of each pixel that constitutes the intraluminal image, a structure edge region detecting unit that detects a structure edge contained in the intraluminal image, and an approximate structure edge line calculating unit and an overlap deciding unit that discriminate whether the residue candidate region is a mucosal region or not, based on a relative positional relationship between the structure edge and the residue candidate region. | 07-12-2012 |
20120237122 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER-READABLE RECORDING DEVICE - An image processing apparatus includes a probability value calculator that calculates, based on color feature data of a pixel included in an image, respective probabilities that the pixel belongs to a specific area and a non-specific area; a weighted edge intensity calculator that calculates a weighted edge intensity between neighboring pixels based on pixel values and color feature data of the pixel included in the image and a neighboring pixel of the pixel; an energy function creator that uses the probabilities and the weighted edge intensity to create an energy function expressed by a result of an area determination of the pixel; and an area divider that divides the image into the plurality of areas based on the energy function. | 09-20-2012 |
20120251009 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER-READABLE RECORDING DEVICE - An image processing apparatus includes an approximate-surface calculator that calculates multiple approximate surfaces that each approximate the pixel value of a pixel included in an examination-target region of an image; an approximate-surface selector that selects at least one approximate surface from the approximate surfaces on the basis of the relation between the pixel value of the pixel in the examination-target region and the approximate surfaces; an approximate-region setting unit that sets an approximate region that is approximated by at least the selected one approximate surface; and an abnormal-region detector that detects an abnormal region on the basis of the pixel value of a pixel in the approximate region and the value corresponding to the coordinates of that pixel on at least one approximate surface. | 10-04-2012 |
20120288199 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER-READABLE RECORDING DEVICE - An image processing apparatus includes a small area divider that divides, on the basis of edge information of an image, the image into multiple small areas each including multiple pixels; an attribute probability estimator that estimates attribute probability for each of the small areas, which is probability that the small area is attributed to a specific area to be detected; an adjacent-small-area connection strength calculator that calculates connection strength that quantitatively indicates a degree to which small areas adjacent to each other among the multiple small areas are attributed to the same area that is the specific area or a non-specific area; and a specific area detector that detects the specific area on the basis of the attribute probability and the connection strength. | 11-15-2012 |
20130027532 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING PROGRAM - An image processing device classifies a region of interest included in an image into multiple classification items. The image processing device has: an initial region detector that detects at least part of the region of interest and sets the part as an initial region; an expansion region detector that detects an expansion region by expanding the initial region; and a region determining unit that calculates feature data of the initial region and the expansion region, and determines, based on the feature data, to which of the multiple classification items the region of interest belongs. | 01-31-2013 |
20130028470 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMUPTER READABLE RECORDING DEVICE - An image processing apparatus includes a corresponding region connecting unit that connects regions that depict the same target between a series of images captured in time series, thereby sets at least one connected region; a connected region feature data calculation unit that calculates feature data of the connected region; a digest index value calculation unit that calculates a digest index value corresponding to a degree at which the target depicted in the series of images is aggregated in each image of the series of images, based on the feature data; and a digest image detector that detects a digest image based on the digest index value. | 01-31-2013 |
20130028485 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER READABLE RECORDING DEVICE - An image processing apparatus includes a distance information calculator that calculates distance information corresponding to a distance to an imaging object at each of portions in an image; a feature data calculator that calculates feature data at each portion in the image; a feature data distribution calculator that calculates a distribution of the feature data in each of regions that are classified according to the distance information in the image; a reliability determining unit that determines the reliability of the distribution of the feature data in each of the regions; and a discrimination criterion generator that generates, for each of the regions, a discrimination criterion for discriminating a specific region in the image based on a determination result of the reliability and the distribution of the feature data in each of the regions. | 01-31-2013 |
20130051680 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND COMPUTER READABLE RECORDING DEVICE - An image processing device includes: a non-target region detecting unit that detects a region that is not to be examined as a non-target region from an image; a pixel-of-interest region setting unit that sets a pixel-of-interest region in a predetermined area including a pixel-of-interest position in the image; a surrounding region determining unit that determines a surrounding region, which is an area for acquiring information for use in forming a reference plane with respect to the pixel-of-interest position, based on the non-target region; a reference plane forming unit that forms the reference plane based on the information in the surrounding region; and an outlier pixel detecting unit that detects an outlier pixel having a pixel value numerically distant from circumferential values based on a difference between corresponding quantities of the reference plane at each pixel position and of the original image. | 02-28-2013 |
20130094726 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND COMPUTER READABLE STORAGE DEVICE - An image processing device includes: a candidate abnormal region determining unit that determines a candidate abnormal region from an image using a first determination criterion; a bubble region determining unit that determines a bubble region from the image; a bubble inside determining unit that determines whether the candidate abnormal region is present inside the bubble region based on a determination result of the bubble region; and an abnormal region determining unit that determines whether the candidate abnormal region is an abnormal region using a second determination criterion different from the first determination criterion when the candidate abnormal region is determined to be present inside the bubble region. | 04-18-2013 |
20140044328 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT - An image processing apparatus for performing an image processing on a body cavity image captured in a living body includes: a storage unit which stores information including image information of the body cavity image; a change amount calculator which reads out the image information of the body cavity image from the storage unit and calculates, in the read body cavity image, a pixel value change amount of a pixel of interest with a plurality of surrounding pixels located around the pixel of interest; and a candidate lesion region detector which detects a candidate lesion region in the body cavity image based on a calculation result of the change amount calculator. | 02-13-2014 |
20140257114 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER-READABLE RECORDING DEVICE - An image processing apparatus includes an abnormal candidate region detection unit configured to detect an abnormal candidate region, as a candidate for an abnormal portion, from an intraluminal image obtained by capturing an image of an inside of a lumen of a subject, a tubular region detection unit configured to detect a tubular region from the intraluminal image, a connectivity determination unit configured to determine whether the abnormal candidate region and the tubular region are connected in a region of a color similar to that of the tubular region, and an abnormality determination unit configured to determine whether the abnormal candidate region is the abnormal portion, based on results of determination by the connectivity determination unit. | 09-11-2014 |
20140270377 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER-READABLE RECORDING DEVICE - An image processing apparatus includes an abnormal portion candidate region detection unit configured to detect a candidate region of an abnormal portion based on color information of each pixel constituting an image obtained by capturing an image of an inside of a lumen of a subject, a border neighboring pixel identifying unit configured to identify a border neighboring pixel which is a pixel existing in proximity to a border of the candidate region, a feature data calculation unit configured to calculate feature data based on a pixel value of the border neighboring pixel, and an abnormal portion region distinguishing unit configured to distinguish an abnormal portion region based on the feature data. | 09-18-2014 |
20140270499 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER-READABLE RECORDING DEVICE - An image processing apparatus includes: a color feature data calculation unit configured to calculate color feature data of each pixel in an intraluminal image or color feature data of each small region obtained by dividing the intraluminal image into a plurality of small regions; a residue candidate distribution determination unit configured to determine, from among the color feature data, color feature data distributed on a side comparatively strong in redness to be a mucosa distribution and determine color feature data distributed on a side comparatively weak in redness to be a residue candidate distribution; and a residue distribution determination unit configured to determine, from among distributions of the color feature data determined to be the residue candidate distribution, a residue candidate distribution distributed on a side strong in yellowness with reference to the mucosa distribution to be a residue distribution. | 09-18-2014 |
20150063641 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER-READABLE RECORDING DEVICE - An image processing apparatus includes: an abnormality candidate region identifying unit configured to identify a candidate region for an abnormality from an image obtained by imaging inside of a lumen of a living body; a surrounding region determining unit configured to determine a surrounding region surrounding the candidate region; a shape information calculating unit configured to calculate shape information of the candidate region and shape information of the surrounding region in a depth direction with respect to a screen; and an abnormality region determining unit configured to determine whether or not the candidate region is an abnormality, based on a correlation between the shape information of the candidate region and the shape information of the surrounding region. | 03-05-2015 |