Patent application number | Description | Published |
20100020163 | FLUORESCENCE ENDOSCOPE - A fluorescence endoscope is provided that can easily judge whether body-cavity tissue is benign or malignant when fluorescence generated at the entire inner circumferential face of the body cavity serving as a subject is observed. The fluorescence endoscope includes: an insertion portion ( | 01-28-2010 |
20100049058 | FLUORESCENCE ENDOSCOPE AND FLUOROMETRY METHOD - Provided are a fluorescence endoscope and a fluorometry method that allow distinguishing between normal and affected areas in a simple manner by reducing the effect of the distance from a subject. Provided are a light source ( | 02-25-2010 |
20100059690 | FLUOROSCOPIC DEVICE AND FLUOROSCOPIC METHOD - A lesion can be made distinctive in an acquired fluorescence image so as to allow for accurate diagnosis. There is provided a fluoroscopic device ( | 03-11-2010 |
20100103250 | FLUORESCENCE OBSERVATION APPARATUS AND FLUORESCENCE OBSERVATION METHOD - The diagnosability of diseased parts is improved by precisely correcting fluorescence images without being affected by specular reflection and without being affected by thick blood vessels. Provided is a fluorescence observation apparatus that includes a light source unit that radiates, onto an observation target site, illumination light that is in the wavelength band absorbed by a blood vessel, first excitation light that includes the wavelength band of the illumination light and generates autofluorescence by exciting an autofluorescent substance in the blood vessel, and second excitation light that is in a different wavelength band from the first excitation light and generates agent fluorescence by exciting fluorescent dye that selectively stains normal tissue and abnormal tissue; an image-acquisition unit that obtains respective images by capturing reflected light, autofluorescence, and agent-fluorescence, obtained by radiating the illumination light, and the first and the second excitation light onto the same observation target site; and an image processing unit that extracts a blood-vessel image from the obtained reflected-light image, obtains a reference image by applying interpolation to an area in the autofluorescence image corresponding to the extracted blood-vessel image, and corrects the agent-fluorescence image, obtained by the image-acquisition unit, based on the obtained reference image. | 04-29-2010 |
20100113876 | ENDOSCOPE APPARATUS AND ENDOSCOPE-IMAGE RECORDING METHOD - An endoscope apparatus including an insertion portion for insertion into a body cavity; an image-acquisition unit disposed at a tip thereof that acquires an image of the inside of the body cavity; an insertion-length measuring unit disposed at a base end of the insertion portion that measures an insertion length of the insertion portion inside the body cavity; a storage unit that stores the image acquired by the image-acquisition unit in association with the insertion length measured by the insertion-length measuring unit; a following decision unit that determines whether insertion movement at the tip follows insertion movement at the base end; and a correcting unit that corrects the insertion length of the insertion portion associated with the acquired image to cancel a change in the insertion length measured in a non-following period on the basis of the result of that determination. | 05-06-2010 |
20100134607 | ENDOSCOPIC OBSERVATION APPARATUS AND ENDOSCOPIC OBSERVATION METHOD - A quantitative image of a subject is obtained without being influenced by the distance from the subject by accurately measuring the absolute distance between the subject and the tip of a phototransmitter that radiates light onto the subject. There is provided an endoscopic observation apparatus ( | 06-03-2010 |
20100210903 | CAPSULE MEDICAL DEVICE AND CAPSULE MEDICAL SYSTEM - Radiation is captured without fail, and a sharp image of a region where radiation is generated is acquired. A capsule medical device ( | 08-19-2010 |
20100245550 | FLUOROSCOPY APPARATUS AND FLUOROSCOPY METHOD - Unwanted information contained in a reference image is reduced, thus acquiring a fluorescence image having quantitative intensity information, regardless of the angle and distance of excitation light. The invention provides a fluoroscopy apparatus including an illumination portion that irradiates an observation target with illumination light containing excitation light; a first image-acquisition section that acquires a fluorescence image in a prescribed observation region of the observation target; a second image-acquisition section that acquires an out-of-focus reference image of the observation target in the observation region; and an image correction section that corrects the fluorescence image acquired by the first image-acquisition section using the reference image acquired by the second image-acquisition section. | 09-30-2010 |
20100245619 | FLUOROSCOPY APPARATUS - A fluoroscopy apparatus includes an illumination portion irradiating an observation target with illumination light; a fluorescence image acquisition device acquires fluorescence emitted from an observation target to acquire a fluorescence image; a fluorescence image-acquisition optical system forms an image of the observation target using the fluorescence; a reference-light image acquisition device acquires returning light from the observation region to acquire a reference image; a reference-light image-acquisition optical system forms an image using the returning light; and an image correction section corrects the fluorescence image by the reference image, wherein the product of an pixel density of the reference-light image acquisition device and the image-forming magnification of the reference-light image-acquisition optical system is less than the product of the pixel density of the fluorescence image acquisition device and the image-forming magnification of the fluorescence image-acquisition optical system. | 09-30-2010 |
20100324371 | CAPSULE MEDICAL DEVICE, METHOD FOR OPERATING THE SAME, AND CAPSULE MEDICAL DEVICE SYSTEM - The required minimum amount of examination site information is acquired, stored, or transmitted without missing an affected area, thus reducing power consumption, reducing the size of a battery disposed in a capsule, and reducing the size of a casing. Provided is a capsule medical device including a casing having a capsule shape; a light-detecting section, disposed in the casing, for detecting information about the intensity of light from outside the casing; an information-acquiring section for acquiring examination site information from an examination site positioned outside the casing; and a determination section for determining whether or not to acquire, store, or transmit, to the outside, the examination site information acquired by the information-acquiring section on the basis of the information about the intensity of the light detected by the light-detecting section. | 12-23-2010 |
20110001061 | FLUORESCENCE OBSERVATION APPARATUS - Clearly observing the state of an examination site is made by sufficiently suppressing the influence of residues. Fluorescence observation apparatus includes: a light source emits excitation light for irradiating the vicinity of an examination site; a fluorescence information acquisition unit acquires information about fluorescence emitted from the vicinity of the examination site through the irradiation with the excitation light from the light source; a residue fluorescence information acquisition unit acquires information about fluorescence emitted from residues selectively dyed with a fluorescent dye, through the irradiation with the excitation light from the light source; and a fluorescence information correction unit generates fluorescence information about the examination site in which the fluorescence from the residues is suppressed, based on the fluorescence information from the vicinity of the examination site, acquired by the fluorescence information acquisition unit, and the fluorescence information from the residues, acquired by the residue fluorescence information acquisition unit. | 01-06-2011 |
20110004064 | CAPSULE MEDICAL DEVICE - A capsule medical device capable of alleviating a burden on a patient is provided. Provided is a capsule medical device that includes a casing having a capsule shape; a measurement-information acquiring section, disposed in the casing, for acquiring measurement information from an examination site positioned outside the casing; a locating-information acquiring section for acquiring information for locating the examination site from which the measurement information has been acquired by the measurement-information acquiring section; and a storage section for storing the measurement information acquired by the measurement-information acquiring section in association with the information for locating the examination site, acquired by the locating-information acquiring section. | 01-06-2011 |
20110313297 | FLUOROSCOPY APPARATUS, FLUOROSCOPY SYSTEM AND FLUORESCENCE-IMAGE PROCESSING METHOD - Provided is a fluoroscopy apparatus ( | 12-22-2011 |
20110319727 | CAPSULE-TYPE MEDICAL DEVICE AND CAPSULE-TYPE MEDICAL SYSTEM - The burden on a patient is reduced, and acquired measurement information is readily and reliably collected. A capsule-type medical device is provided, including a capsule-type casing that is introduced into a body cavity of a patient, a measurement-information acquisition unit that is disposed inside the casing and that acquires measurement information about a site to be examined in the body cavity; an IC chip that stores the measurement information acquired by the measurement-information acquisition unit; a capsule antenna that receives from outside the body cavity a measurement-information-reading signal and that transmits outside the body cavity the measurement information stored in the IC chip; a pH sensor unit that determines a passing position by acquiring positional information in the body cavity; and a buzzer that issues a notification sound outside the body cavity when the passing position determined by the pH sensor unit satisfies a predetermined positional condition. | 12-29-2011 |
20120007001 | FLUOROSCOPY SYSTEM, FLUOROSCOPY APPARATUS, AND FLUOROSCOPY METHOD - Observation is performed with a fluorescence image having high quantitativeness by satisfactorily eliminating dependencies on distance and angle that remain in an image subjected to division. Provided is a fluoroscopy system | 01-12-2012 |
20120076434 | FLUOROSCOPY APPARATUS, FLUOROSCOPY SYSTEM, AND FLUORESCENCE-IMAGE PROCESSING METHOD - Observation is performed with a fluorescence image having high quantitativeness by satisfactorily eliminating dependency on distance. Provided is a fluoroscopy apparatus including an illumination unit having a light source that radiates illumination light and excitation light onto an observation target site, a fluorescence-imaging unit that acquires a fluorescence image by imaging fluorescence generated at the observation target site by the radiation of excitation light, a white-light-imaging unit that acquires a reference image by imaging return light returning from the observation target site by the radiation of the illumination light, and an image-correction unit that obtains a correction fluorescence image by raising the luminance value of the fluorescence image to the power of a reciprocal of a first exponent obtained by a power approximation of a distance characteristic of luminance versus observation distance, for the fluorescence image, that obtains the correction reference image by raising the luminance value of the reference image to the power of a reciprocal of a second exponent obtained by a power approximation of a distance characteristic of luminance versus observation distance, for the reference image, and that obtains a corrected fluorescence image by dividing the correction fluorescence image by the correction reference image. | 03-29-2012 |
20120197134 | Lesion Extracting Device and Lesion Extracting Method - A lesion extracting device includes a light source for emitting an excitation light toward a subject body, a control unit for changing an amount of the excitation light, a light irradiating and receiving portion for irradiating the excitation light to the subject body and receiving fluorescence generated from the subject body, a distance holding member for holding a distance between the subject body and the light irradiating and receiving portion at a predetermined value, a measuring unit for measuring the intensity of the fluorescence received by the light irradiating and receiving portion, and an extracting unit for extracting a lesion part of the subject body based on relationships between measured values of changes in the fluorescence intensity with respect to changes in the amount of the excitation light and information regarding the changes in the amount of the excitation light, the information being obtained from the control unit. | 08-02-2012 |
20120292530 | FLUORESCENCE OBSERVATION DEVICE - In a fluorescence observation device, a light source device generates illumination light and excitation light to be radiated onto an examination subject; a white-light image data acquisition unit generates a white-light image by capturing reflected light coming from the examination subject; a fluorescence image data acquisition unit generates a fluorescence image by capturing fluorescence generated at the examination subject; a quantification computation unit computes normalized fluorescence intensities, which are brightness values of individual pixels in the fluorescence image normalized by brightness values of corresponding pixels in the white-light image; a standard-data memory stores standard data indicating a typical correspondence relationship between the normalized fluorescence intensities and states of the examination subject; and an image-correction computation unit judges the states of the examination subject that correspond to the individual normalized fluorescence intensities on the basis of a minimum value of the normalized fluorescence intensities and the standard data. | 11-22-2012 |
20120296218 | FLUORESCENCE ENDOSCOPE DEVICE - Provided is a fluorescence endoscope device that includes a light source; an image generating portion that captures an image of fluorescence generated at a subject due to irradiation with excitation light from the light source to obtain a fluorescence image and that captures an image of return light returning from the subject due to irradiation with reference light to obtain a reference image; an image-correcting portion that corrects the fluorescence image using the reference image to generate a corrected fluorescence image; an effective-area defining portion that defines an effective area having a brightness in a predetermined variation range in the corrected fluorescence image; a region-extracting portion that extracts a high-brightness region having a brightness higher than or equal to the predetermined threshold in the corrected fluorescence image; and an indication portion that shows whether or not the high-brightness region exists inside the effective area in an identifiable manner. | 11-22-2012 |
20120302893 | FLUORESCENCE ENDOSCOPE DEVICE - Provided is a fluorescence endoscope device that includes a light source; an image generating portion that captures an image of fluorescence generated at a subject due to irradiation with excitation light to obtain a fluorescence image and that captures an image of return light returning from the subject due to irradiation with white light to obtain a white-light image; a dividing portion that divides the fluorescence image by the white-light image to generate a divided fluorescence image; a coordinate extracting portion that extracts a second region of the divided fluorescence image having a gradation value higher than a second threshold; a fluorescence-image correcting portion that extracts a first region having a gradation value higher than a first threshold in the fluorescence image and generates a corrected fluorescence image in which an overlap region that overlaps the second region is extracted; and a monitor that displays the corrected fluorescence image. | 11-29-2012 |
20120323072 | FLUORESCENCE ENDOSCOPE DEVICE - Provided is a fluorescence endoscope device including a light source that irradiates with excitation light and white light; an image generator that acquires a fluorescence image by capturing fluorescence generated in a subject irradiated with the excitation light and that acquires a white-light image by capturing return light from the subject irradiated with the white light; an image corrector that corrects the fluorescence image by using the white-light image so as to generate a corrected fluorescence image; a threshold-value setting unit that sets a threshold value on the basis of an average value of gradation values of pixels in the corrected fluorescence image; an image adjuster that increases the contrast in the corrected fluorescence image between an area having gradation values larger than the threshold value, and an area having gradation values smaller than the threshold value; and a monitor that displays the corrected fluorescence image whose contrast is increased. | 12-20-2012 |
20130028501 | FLUOROSCOPY DEVICE - A fluoroscopy device includes a light source that irradiates an observation site with excitation light and white light; a fluorescence-image generating section that acquires a fluorescence image by capturing fluorescence generated in the observation site irradiated with the excitation light; a reference-image generating section that acquires a reference image by capturing return light returning from the observation site irradiated with the white light; an observation-condition determining section that determines the observation conditions of the observation site on the basis of the reference image acquired by the reference-image generating section; a preprocessing section that corrects gradation values of the reference image on the basis of the observation conditions of the observation site; and a fluorescence-image correcting section that generates a corrected fluorescence image by dividing the fluorescence image acquired by the fluorescence-image generating section by the reference image whose gradation values have been corrected by the preprocessing section. | 01-31-2013 |
20130113908 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - Provided is an image processing device including an illuminating portion that irradiates a subject with illumination light and excitation light; a fluorescence image-acquisition portion that acquires a fluorescence image by capturing fluorescence generated at the subject; a return-light image-acquisition portion that acquires a return-light image by capturing return light returning from the subject; a color-image generating portion that generates a plurality of color images by adding different types of color information that constitute a color space to the acquired fluorescence image and return-light image; and an image combining portion that combines the plurality of color images that have been generated, wherein at least one of the fluorescence image and the return-light image is subjected to, by the color-image generating portion), correction processing in which exponents for distance characteristics, which are approximated to exponential functions, for the fluorescence image and the return-light image are matched with each other. | 05-09-2013 |
20130200273 | Fluoroscopy Apparatus, Fluoroscopy System, and Fluorescence-Image Processing Method - A fluoroscopy apparatus including: an illumination unit having a light source radiating illumination light and excitation light onto an observation target, a fluorescence-imaging unit acquiring a fluorescence image by imaging fluorescence generated at the observation target by the excitation light, a white-light-imaging unit acquiring a reference image by imaging light returning from the observation target by the illumination light, and an image-correction unit obtaining a correction fluorescence image by raising the luminance value of the fluorescence image to the power of a reciprocal of a first and second exponent obtained by a power approximation of a distance characteristic of luminance versus observation distance, for the fluorescence image, and that obtains a corrected fluorescence image by dividing the correction fluorescence image by the correction reference image. | 08-08-2013 |
20130200274 | Fluoroscopy Apparatus, Fluoroscopy System, and Fluorescence-Image Processing Method - A fluoroscopy apparatus including: an illumination unit having a light source radiating illumination light and excitation light onto an observation target, a fluorescence-imaging unit acquiring a fluorescence image by imaging fluorescence generated at the observation target by the excitation light, a white-light-imaging unit acquiring a reference image by imaging light returning from the observation target by the illumination light, and an image-correction unit obtaining a correction fluorescence image by raising the luminance value of the fluorescence image to the power of a reciprocal of a first and second exponent obtained by a power approximation of a distance characteristic of luminance versus observation distance, for the fluorescence image, and that obtains a corrected fluorescence image by dividing the correction fluorescence image by the correction reference image. | 08-08-2013 |
20130200275 | Fluoroscopy Apparatus, Fluoroscopy System, and Fluorescence-Image Processing Method - A fluoroscopy apparatus including: an illumination unit having a light source radiating illumination light and excitation light onto an observation target, a fluorescence-imaging unit acquiring a fluorescence image by imaging fluorescence generated at the observation target by the excitation light, a white-light-imaging unit acquiring a reference image by imaging light returning from the observation target by the illumination light, and an image-correction unit obtaining a correction fluorescence image by raising the luminance value of the fluorescence image to the power of a reciprocal of a first and second exponent obtained by a power approximation of a distance characteristic of luminance versus observation distance, for the fluorescence image, and that obtains a corrected fluorescence image by dividing the correction fluorescence image by the correction reference image. | 08-08-2013 |
20130201320 | Fluoroscopy Apparatus, Fluoroscopy System, and Fluorescence-Image Processing Method - A fluoroscopy apparatus including: an illumination unit having a light source radiating illumination light and excitation light onto an observation target, a fluorescence-imaging unit acquiring a fluorescence image by imaging fluorescence generated at the observation target by the excitation light, a white-light-imaging unit acquiring a reference image by imaging light returning from the observation target by the illumination light, and an image-correction unit obtaining a correction fluorescence image by raising the luminance value of the fluorescence image to the power of a reciprocal of a first and second exponent obtained by a power approximation of a distance characteristic of luminance versus observation distance, for the fluorescence image, and that obtains a corrected fluorescence image by dividing the correction fluorescence image by the correction reference image. | 08-08-2013 |
20130307952 | FLUORESCENCE OBSERVATION APPARATUS - Observation is performed at a more appropriate sensitivity without causing deterioration of the image quality. Provided is a fluorescence observation apparatus including an excitation light source that emits excitation light to be radiated onto an imaging subject; a fluorescence-image acquisition portion that is provided with an imaging device that acquires fluorescence images by capturing fluorescence generated at the imaging subject due to the irradiation with the excitation light emitted from the excitation light source; and a sensitivity adjusting portion that adjusts an number of pixels for binning summing and/or an exposure time for the imaging device on the basis of luminance information of the fluorescence image acquired by the imaging device of the fluorescence-image acquisition portion so that an SN ratio of the fluorescence image becomes equal to or higher than a predetermined threshold. | 11-21-2013 |
20130314520 | FLUORESCENCE OBSERVATION DEVICE - Observation is performed at a more appropriate sensitivity without reducing an image quality. Provided is a fluorescence observation device ( | 11-28-2013 |
20140024948 | FLUOROSCOPY APPARATUS - Provided is a fluoroscopy apparatus including a fluorescence imaging portion that acquires a fluorescence image of biological tissue; a return-light imaging portion that acquires a return-light image of the biological tissue; a fluorescence-region identifying portion that identifies a fluorescence region in the fluorescence image by using a processing condition specified from among a plurality of processing conditions; a superimposed-image generating portion that generates a superimposed image by superimposing the identified fluorescence region on a corresponding position in the return-light image; a treatment-information acquisition portion that acquires treatment-details information indicating the specifics of treatment to be applied to the biological tissue; and an image switching portion that specifies the processing condition to be used by the fluorescence-region identifying portion in accordance with the treatment-details information acquired by the treatment-information acquisition portion. | 01-23-2014 |
20140028824 | FLUOROSCOPY APPARATUS - Provided is a fluoroscopy apparatus including a fluorescence-image generating portion that generates a fluorescence image; an identifying portion that identifies a position of a high-luminance region in the fluorescence image; a storage portion that stores the position of the high-luminance region; a detecting portion that detects an amount of change in a physical quantity, which can possibly act as a cause of changes in a property of the high-luminance region, starting from a time at which the position of the high-luminance region is identified by the identifying portion; a confidence-level calculating portion that calculates a confidence level of the property of the high-luminance region based on the detected amount of change; and a display-image generating portion that generates a display image in which the display mode at the position of the high-luminance region is set in accordance with the confidence level. | 01-30-2014 |
20140037179 | FLUOROSCOPY APPARATUS AND FLUOROSCOPY SYSTEM - Provided is a fluoroscopy apparatus including a light source that irradiates an observation target with reference light and excitation light; a fluorescence-image generating unit that captures fluorescence emitted from the observation target X irradiated with the excitation light to generate a fluorescence image; a reference-image generating unit that captures return light returning from the observation target irradiated with the reference light to generate a reference image; an image-combining unit that superimposes the fluorescence image on the reference image to generate a combined image; a determining unit that determines whether there is a position with a luminance at or below a predetermined threshold in the reference image; and a notifying unit that, if the determining unit determines that there is a position with a luminance at or below the predetermined threshold, provides notification thereof. | 02-06-2014 |
20140049626 | FLUOROSCOPY APPARATUS AND IMAGE DISPLAY METHOD THEREFOR - Provided is a fluoroscopy apparatus including illuminating portions that radiate excitation light and illumination light onto an imaging subject; a fluorescence imaging portion that acquires a fluorescence image from fluorescence emitted at the imaging subject due to the irradiation with the excitation light; a return-light imaging portion that acquires a return-light image from return light returning from the imaging subject due to the irradiation with the illumination light; a display portion that displays the acquired fluorescence image and/or the return-light image; an identifying portion that identifies a region-of-interest in the fluorescence image; an image switching portion that switches the display on the display portion so that only the return-light image is displayed thereon when the region-of-interest R is not identified, and so that the return-light image and the fluorescence image are juxtaposed and displayed on the display portion when the region-of-interest has been identified. | 02-20-2014 |
20140085686 | FLUORESCENCE OBSERVATION DEVICE - The probability of extracting a region containing a large amount of fluorescent material is increased in accordance with the kind of fluorescent reagent etc. A fluorescence observation device includes an illuminating unit irradiating a subject with excitation light and illumination light; a fluorescence image capturing unit acquiring a fluorescence image by capturing fluorescence generated at the subject a return-light image capturing unit acquiring a return-light image by capturing return light returned from the subject; an extracting unit determining and extracting a region having a gray level exceeding a gray-level threshold from the fluorescence image as a region-of-interest; a display unit displaying the region-of-interest and the return-light image in association with each other; a true/false input unit prompting an observer to enter true or false as to the determination of the region-of-interest; and a threshold updating unit updating the gray-level threshold so as to reflect the input result entered. | 03-27-2014 |
20140098207 | FLUORESCENCE OBSERVATION APPARATUS, FLUORESCENCE OBSERVATION SYSTEM, AND METHOD FOR FLUORESCENCE IMAGE PROCESSING - There is provided a fluorescence observation apparatus, including: a lighting section including a light source emitting illumination light and excitation light; a fluorescence imaging section picking up fluorescence generated on a subject and acquiring a fluorescence image; a returned light imaging section picking up returned light returned from the subject and acquiring a returned light image; a preprocessing section multiplying at least either the fluorescence image or the returned light image by a coefficient in which a distance property of fluorescence intensity and a distance property of returned light intensity, which are acquired in advance with respect to a standard sample, come to be in a relation directly proportional to each other and generating a fluorescence image for correction and a returned light image for correction; and a fluorescence image correction section dividing the fluorescence image for correction by the returned light image for correction. | 04-10-2014 |
20140161369 | FLUOROSCOPY APPARATUS, FLUOROSCOPY SYSTEM, AND FLUORESCENCE-IMAGE PROCESSING METHOD - A fluoroscopy apparatus includes a preprocessing section that multiplies at least one of a fluorescence image and a reference-light image by a coefficient by which distance characteristics of fluorescence intensity and distance characteristics of return-light intensity acquired from a standard sample in advance are made directly proportional to each other to generate a correction fluorescence image and a correction reference-light image; a divided-image generating section that divides the correction fluorescence image by the correction reference-light image to generate a divided image; a threshold-setting section that sets a threshold based on a mean grayscale level of pixels in the divided image; an image-adjusting section that enhances contrast between a region with grayscale levels above the set threshold set by the threshold-setting section and a region with grayscale levels below the threshold in the divided image; and a monitor that displays the divided image with the enhanced contrast. | 06-12-2014 |
20140184769 | FLUORESCENCE OBSERVATION APPARATUS - Provided is a fluorescence observation apparatus including: a fluorescence image acquisition section and a reference image acquisition section that acquire a fluorescence image and a reference image of a subject, respectively; a division image generation section that generates a division image by dividing an image based on the fluorescence image by an image based on the reference image; a display section that displays a corrected fluorescence image based on the division image; a correction processing section that applies correction processing to at least one of the reference image and the fluorescence image and/or to the division image prior to the generation of the division image or prior to the display of the corrected fluorescence image; an observation condition determination section that determines observation conditions of the subject; and a correction condition setting section that sets parameters regarding the correction processing according to the observation conditions. | 07-03-2014 |
20140184790 | FLUORESCENCE OBSERVATION DEVICE - The purpose is to reduce correction errors and acquire quantitative information of an object. Provided is a fluorescence observation device including: a light source; a fluorescence-image generation part that acquires a fluorescence image of an object F irradiated with excitation light; a white-light-image generation part that acquires a white-light image of the object F irradiated with illumination light; an image correction part that generates a corrected fluorescence image from these images; a threshold setting part that sets a threshold based on the average of gradation values of the entire image, a first coefficient therefor, the standard deviation of the gradation values of the image, and a second coefficient therefor; an extraction part that determines and extracts a region in the image that has a gradation value exceeding the threshold, as a region of interest; a monitor that displays the region of interest and the image in association with each other; and an input section through which an observer inputs a result as to whether the determination made by the extraction part is right or wrong, in which the threshold setting part sets at least one of the first coefficient and the second coefficient so as to reflect the input result input through the input section. | 07-03-2014 |
20140301617 | FLUORESCENCE OBSERVATION APPARATUS, FLUORESCENCE OBSERVATION METHOD AND OPERATING METHOD OF FLUORESCENCE OBSERVATION APPARATUS - Fluorescence generated at a lesion is distinguished from fluorescence generated at portions other than the lesion, and thus, observation is performed by using only the fluorescence generated at the lesion. Provided is a fluorescence observation apparatus including a light radiating portion that radiates excitation light onto an examination subject; a fluorescence-distribution acquiring portion that acquires an intensity distribution of fluorescence generated at the examination subject due to irradiation with the excitation light from the light radiating portion; and a non-target-region excluding portion that, in the fluorescence-intensity distribution acquired by the fluorescence-distribution acquiring portion, excludes regions in which a spectrum in a specific wavelength band has changed due to a specific biological component whose concentration in a lesion is lower than in other portions. | 10-09-2014 |
20150016705 | FLUOROSCOPY APPARATUS AND FLUOROSCOPY APPARATUS OPERATING METHOD - The invention provides a fluoroscopy apparatus including an image-capturing device that acquires a fluorescence image of a subject; a sensitivity adjusting portion that sets a sensitivity of the image-capturing device to fluorescence on the basis of a gradation value of the fluorescence image; a notifying portion that extracts a lesion part from the fluorescence image acquired by the image-capturing device with the sensitivity set by the sensitivity adjusting portion and presents it to an operator; and a display switching portion that displays the fluorescence image on a display unit when the sensitivity in the image-capturing device is equal to or less than a predetermined threshold and that presents information showing the existence of the lesion part on the notifying portion when the sensitivity is greater than the predetermined threshold. | 01-15-2015 |