Abstract: An endoscope system includes a light source apparatus to generate an illumination light including a first light in a red to near infrared region, a second light in a green region, and a third light in a blue region, an image pickup device to pick up an image of an object and output an image pickup signal, and a processor to generate a first to third color components corresponding to the first to third lights based on an image generated according to the image pickup signal. The processor generates two of three color components that are blue, green, and red included in an observation image by using a second color component, and generates one remaining color component by using a first color component, and generates respective color components of red, green, and blue included in a white light observation image by using the first to third color components.

Abstract: An endoscope system includes a light source apparatus to generate an illumination light including a first light in a red to near infrared region, a second light in a green region, and a third light in a blue region, an image pickup device to pick up an image of an object and output an image pickup signal, and a processor to generate a first to third color components corresponding to the first to third lights based on an image generated according to the image pickup signal. The processor generates two of three color components that are blue, green, and red included in an observation image by using a second color component, and generates one remaining color component by using a first color component, and generates respective color components of red, green, and blue included in a white light observation image by using the first to third color components.

Abstract: An electrode unit configured to resect or coagulate tissue inside a subject by using a high-frequency current, including: an electrode supporting portion provided with a pair of distal end rigid portions surfaces of which are covered by an electrically insulating material, and an elastic region portion having lower bending rigidity than bending rigidity of each of the pair of distal end rigid portions, the elastic region portion being provided on a proximal end side of each of the pair of distal end rigid portions; and an electrode configured with electrode bodies respectively protruding downward from the pair of distal end rigid portions and an installation portion that installs respective lower ends of the electrode bodies.

Abstract: An endoscope system includes a light source apparatus to generate an illumination light including a first light in a red to near infrared region, a second light in a green region, and a third light in a blue region, an image pickup device to pick up an image of an object and output an image pickup signal, and a processor to generate a first to third color components corresponding to the first to third lights based on an image generated according to the image pickup signal. The processor generates two of three color components that are blue, green, and red included in an observation image by using a second color component, and generates one remaining color component by using a first color component, and generates respective color components of red, green, and blue included in a white light observation image by using the first to third color components.

Abstract: A video processor includes: a region extracting circuit that receives an input of a first image signal obtained by forming an image of a subject irradiated with first narrow band light including a wavelength that is minimally absorbed by blood within a green wavelength band, the image of the subject including a bleeding point, and extract a blood pool region having a blood concentration that is lower than a blood concentration of the bleeding point in a region representing the blood in the first image signal; and an image generating circuit that raises a luminance value of the blood pool region in either the first image signal or a second image signal obtained by forming an image of the subject irradiated with second narrow band light whose wavelength is shorter and which is more absorbed by the blood than the first narrow band light.

Abstract: An endoscope system includes a light source apparatus configured to generate illumination light to irradiate an object, an image pickup device configured to pick up an image of the object to output an image pickup signal, and a processor configured to generate first color component data corresponding to first light having a center wavelength within a wavelength range where both respective light absorption coefficients in light absorption characteristics of oxyhemoglobin and deoxyhemoglobin are low and second color component data corresponding to second light having a center wavelength in a blue region or a green region based on the image pickup signal, and assign the first color component data to two out of three channels including blue, green, and red channels of an image display apparatus and assign the second color component data to a remaining one of the three channels, to generate an observation image.

Abstract: Payment processing techniques and management control techniques concerning improved split bills and cost sharing are provided. A method for performing adjustment of payment between a first user associated with a first information processing terminal registered in a group managed on a server and one or more second users associated with one or more second information processing terminals registered in the group includes displaying the one or more second users associated with the one or more second information processing terminals on a screen of the first information processing terminal, and selecting persons who accept payment from the displayed one or more second users, via an interface on the screen of the first information processing terminal.

Abstract: A living body observation system has a light source apparatus configured to generate white observation light and excitation light for exciting fluorescent medical agent, a camera unit configured to pick up an image of a subject, a switch capable of giving an instruction to switch an observation mode, and a processor. The processor generates a white observation image and a fluorescent image; judges whether or not a parameter acquired based on the fluorescent image meets a condition under which observation of fluorescence is possible, switches to a fluorescence observation mode if the condition under which observation of the fluorescence is possible is met, when an instruction is given in a normal observation mode, and switches to a predetermined observation mode different from the fluorescence observation mode if the condition under which observation of the fluorescence is possible is not met.

Abstract: A living body observation system has a light source apparatus configured to generate white observation light and excitation light for exciting fluorescent medical agent, a camera unit configured to pick up an image of a subject, a switch capable of giving an instruction to switch an observation mode, and a processor. The processor generates a white observation image and a fluorescent image; judges whether or not a parameter acquired based on the fluorescent image meets a condition under which observation of fluorescence is possible, switches to a fluorescence observation mode if the condition under which observation of the fluorescence is possible is met, when an instruction is given in a normal observation mode, and switches to a predetermined observation mode different from the fluorescence observation mode if the condition under which observation of the fluorescence is possible is not met.

Abstract: A video processor includes: a region extracting circuit that receives an input of a first image signal obtained by forming an image of a subject irradiated with first narrow band light including a wavelength that is minimally absorbed by blood within a green wavelength band, the image of the subject including a bleeding point, and extract a blood pool region having a blood concentration that is lower than a blood concentration of the bleeding point in a region representing the blood in the first image signal; and an image generating circuit that raises a luminance value of the blood pool region in either the first image signal or a second image signal obtained by forming an image of the subject irradiated with second narrow band light whose wavelength is shorter and which is more absorbed by the blood than the first narrow band light.

Abstract: A living body observation system includes a light source apparatus, a camera unit having a plurality of pixels that receive light from a subject to generate an image pickup signal, an image processing section and a control section. The image processing section has a white light observation image generation mode and a deep blood vessel observation image generation mode, and generates color images of the respective modes. The control section performs control to switch an observation image generation mode to the deep blood vessel observation image generation mode from the white light observation image generation mode when a size of a region of blood in a color image becomes equal to or more than a predetermined value.

Abstract: A living body observation system includes a light source apparatus configured to be able to emit light in a first wavelength band, light in a second wavelength band, and light in a third wavelength band, a processor configured to perform control to emit illumination light including the lights in the first to third wavelength bands, a first image pickup device configured to have a sensitivity in each of the first and third wavelength bands, a second image pickup device configured to have a sensitivity in the second wavelength band, and a spectral optical system configured to emit the lights in the first and third wavelength bands included in reflected light from an object irradiated with the illumination light toward the first image pickup device and emit the light in the second wavelength band included in the reflected light toward the second image pickup device.

Abstract: A fluorescence observation apparatus including a light source that radiates illumination light and excitation light; a return-light-image generating portion and a fluorescence-image generating portion that generate a return-light image and a fluorescence image, respectively; a fluorescence detecting portion that detects a fluorescence region in the fluorescence image; a return-light-image adjusting portion that adjusts gradation values of the return-light image; a superimposed-image generating portion that generates a superimposed image by using the return-light image, in which the gradation values have been adjusted, and the fluorescence image; and a coefficient setting portion that sets, in the case in which the fluorescence region is detected, a degree-of-reduction of the gradation values, so that the gradation values of the return-light image are decreased as compared with the case in which the fluorescence region is not detected.

Abstract: An image processing apparatus includes an input section, a specification section, an extraction section, and a calculation section. The input section receives fluorescence image information obtained by picking up an image of fluorescence based on application of excitation light to a subject provided with a fluorescent substance with a specific effect on a living tissue and therapeutic light position image information including an application position of therapeutic light. The specification section specifies an application region of the therapeutic light. The extraction section extracts a luminance value corresponding to the application region of the therapeutic light and a luminance value corresponding to a region other than the application region of the therapeutic light. The calculation section calculates and outputs a ratio of the extracted luminance value corresponding to the application region to the luminance value corresponding to the region other than the application region.

Abstract: 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.

Abstract: An image processing apparatus includes: an input section configured to receive fluorescence image information obtained by picking up an image of fluorescence based on application of excitation light to a subject provided with a fluorescent substance with a specific effect on a living tissue and therapeutic light position image information including an application position of therapeutic light; a specification section configured to specify an application region as a region of the application position of the therapeutic light; an extraction section configured to extract a luminance value corresponding to the application region of the therapeutic light and a luminance value corresponding to a region other than the application region; and a calculation section configured to calculate and output a ratio of the extracted luminance value corresponding to the application region to the luminance value corresponding to the region other than the application region.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A fluorescence observation apparatus including a light source that radiates illumination light and excitation light; a return-light-image generating portion and a fluorescence-image generating portion that generate a return-light image and a fluorescence image, respectively; a fluorescence detecting portion that detects a fluorescence region in the fluorescence image; a return-light-image adjusting portion that adjusts gradation values of the return-light image; a superimposed-image generating portion that generates a superimposed image by using the return-light image, in which the gradation values have been adjusted, and the fluorescence image; and a coefficient setting portion that sets, in the case in which the fluorescence region is detected, a degree-of-reduction of the gradation values, so that the gradation values of the return-light image are decreased as compared with the case in which the fluorescence region is not detected.