Patent application number | Description | Published |
20120197079 | CONTROL DEVICE, ENDOSCOPE APPARATUS, APERTURE CONTROL METHOD, AND INFORMATION STORAGE MEDIUM - A control device includes an image acquisition section that acquires an image of an object captured by an imaging optical system of an endoscope apparatus, a determination section that determines whether or not an observation area is in focus based on a pixel value of each pixel within the image of the object, the observation area being an observation target area within the image of the object, and an aperture control section that controls an aperture of the imaging optical system based on a result of the determination. | 08-02-2012 |
20130016198 | IMAGE PROCESSING DEVICE, ENDOSCOPE APPARATUS, INFORMATION STORAGE DEVICE, AND IMAGE PROCESSING METHODAANM Higuchi; KeijiAACI TokyoAACO JPAAGP Higuchi; Keiji Tokyo JPAANM Kuriyama; NaoyaAACI TokyoAACO JPAAGP Kuriyama; Naoya Tokyo JP - An image processing device includes an image signal acquisition section that acquires image signals that include signals of an object image from an image sensor, the image sensor being configured so that the object image is formed in an imaging area via an optical system, and is not formed in a non-imaging area, a processing target area setting section that sets a processing target area to an image of an image signal acquired area so that the processing target area is included in the imaging area, the image signal acquired area being an area in which the image signals have been acquired, and the processing target area including pixels used for a grayscale transformation process, and a grayscale transformation section that performs the grayscale transformation process based on pixel values of the pixels included in the processing target area. | 01-17-2013 |
20130258080 | ENDOSCOPIC IMAGE PROCESSING DEVICE, INFORMATION STORAGE DEVICE AND IMAGE PROCESSING METHOD - The endoscopic image processing device includes an image acquisition section that acquires a normal observation image and a zoom observation image, the normal observation image being an image that includes an image of an object, and the zoom observation image being an image that magnifies the image of the object within an observation area that is part of the normal observation image, an attention area determination section that specifies an attention area on the zoom observation image, and a boundary setting section that detects a position of a boundary on the normal observation image that corresponds to a boundary of the attention area specified on the zoom observation image based on pixel values of the zoom observation image, and sets a boundary image at the detected position of the boundary on the normal observation image. | 10-03-2013 |
20140046131 | ENDOSCOPE SYSTEM AND METHOD FOR OPERATING ENDOSCOPE SYSTEM - An endoscope system includes an image acquisition section, an attention area setting section, and a scaling section. The image acquisition section acquires a captured image that includes an object image. The attention area setting section sets an attention area within the captured image based on information from the endoscope system. The scaling section performs a local scaling process that relatively enlarges the attention area as compared with another area. | 02-13-2014 |
20140081083 | ENDOSCOPE SYSTEM AND METHOD FOR OPERATING ENDOSCOPE SYSTEM - An endoscope system includes an image acquisition section, an attention area setting section, and a dimming control section. The image acquisition section acquires a captured image that includes an object image. The attention area setting section sets an attention area within the captured image based on information from the endoscope system. The dimming control section performs a dimming control process that controls the intensity of illumination light based on the attention area set by the attention area setting section. | 03-20-2014 |
20140092226 | AUTOMATIC EXPOSURE CONTROL DEVICE, CONTROL DEVICE, ENDOSCOPE DEVICE AND AUTOMATIC EXPOSURE CONTROL METHOD - An automatic exposure control device includes an image acquisition section that acquires an image that has been captured by an imaging optical system that receives reflected light, and includes an image of an object, the reflected light being light that has been applied to the object, and reflected by the object, an angle-of-view information acquisition section that acquires angle-of-view information that indicates an angle of view of the imaging optical system when the image has been captured, and an automatic exposure control section that performs an automatic exposure control process based on the acquired angle-of-view information. | 04-03-2014 |
20140210972 | FOCUS CONTROL DEVICE, ENDOSCOPE SYSTEM, AND FOCUS CONTROL METHOD - The focus control device includes a focus control section that controls an imaging optical system that is configured so that an in-focus object plane position is changed when an imaging magnification is changed, an image acquisition section that acquires a plurality of images captured through the imaging optical system at a different imaging magnification, and a change-in-magnification detection section that detects a change in magnification that is at least one of a change in the imaging magnification and a change in size of an object within an image among the plurality of images, the focus control section driving the imaging optical system based on an AF evaluation value that indicates the focus state of the imaging optical system and calculated based on the image and the change in magnification to control focus of the imaging optical system. | 07-31-2014 |
20150339817 | ENDOSCOPE IMAGE PROCESSING DEVICE, ENDOSCOPE APPARATUS, IMAGE PROCESSING METHOD, AND INFORMATION STORAGE DEVICE - An endoscope image processing device includes an image acquisition section, a distance information acquisition section, a concavity-convexity determination section that performs a concavity-convexity determination process that determines a concavity-convexity part of an object that agrees with characteristics specified by known characteristic information based on distance information and the known characteristic information that represents known characteristics relating to a structure of the object, a mucous membrane determination section that determines a mucous membrane area within the captured image, and an enhancement processing section that performs an enhancement process on the mucous membrane area based on information about the concavity-convexity part determined by the concavity-convexity determination process. The concavity-convexity determination section excludes a structure that is more global than a local concavity-convexity structure having a desired size from the distance information based on the known characteristic information to extract the local concavity-convexity structure having the desired size as the concavity-convexity part. | 11-26-2015 |