Patent application number | Description | Published |
20090216085 | FLUORESCENT ENDOSCOPIC DEVICE AND METHOD OF CREATING FLUORESCENT ENDOSCOPIC IMAGE - An inter-image calculation portion includes a switch circuit made up of three switch portions for switching each of three image data (R, G, B) from a 3-board processing portion, a first divider, a second divider, a first adder, a second adder, a first LUT, a second LUT, a first clip portion, and a second clip portion. | 08-27-2009 |
20110069199 | IMAGE PICKUP APPARATUS - An image pickup apparatus includes a light source section that can radiate light of the same wavelength onto the same region of a subject twice within a one-frame period making up one image, a brightness detection section that detects brightness of two returning light images when light has been radiated twice, and a synthetic image generation section that generates a synthetic image obtained by synthesizing the two returning light images using the light of the same wavelength and under the same exposure quantity based on the detection result of the brightness. | 03-24-2011 |
20110157340 | FLUORESCENT IMAGE APPARATUS AND METHOD FOR ACQUIRING FLUORESCENT IMAGE - A fluorescent imaging device includes an irradiation section that irradiates an object to be examined with excitation light and reference light, an image pickup section that picks up a fluorescence image based on the excitation light and a reflected light image based on the reference light, a comparison section that compares relative intensity between the fluorescent image generated from the fluorescence image and the reflected light image generated from the reflected light image, and a selection section that selectively outputs one of the reflected light image and the fluorescent image based on the comparison result. | 06-30-2011 |
20110187842 | ENDOSCOPE APPARATUS - An endoscope apparatus of the present invention includes a light quantity adjusting section that adjusts outgoing light quantity from a light source section that generates light irradiating a subject, a current control section that controls a current to be applied to the light source section, an image pickup section provided with an image pickup device that picks up an image of the subject, an identification section that identifies whether or not the image pickup device is provided with a shutter function, a brightness detection section that detects brightness based on an image pickup signal from the image pickup section, a white balance acquiring section for acquiring information on white balance adjustment processing, an amount of adjustment control section that controls an amount of adjustment of the light quantity adjusting section to a predetermined amount according to a white balance information acquiring operation in the white balance acquiring section, and a control section that controls the current control section or the shutter function of the image pickup device based on the output result from the brightness detection section and the output result from the identification section. | 08-04-2011 |
20120127292 | ENDOSCOPE APPARATUS - An endoscope apparatus includes an image pickup section equipped with a color separation section that picks up an image of returning light from a subject illuminated by an illumination section, an emphasis processing section that performs emphasis processing on sharpness of an image signal generated from the output signal of the image pickup section and a storage section that stores information for modifying processing contents of the emphasis processing, wherein the storage section stores information for setting image signals to be subjected to emphasis processing in first and second observation modes in which images are picked up under illumination of white light and narrow band light respectively to a luminance signal and a color difference signal, and the emphasis processing section performs emphasis processing on the luminance signal with a greater emphasis characteristic than the color difference signal over an entire frequency domain. | 05-24-2012 |
20120127293 | ENDOSCOPE APPARATUS - In an endoscope apparatus, a first color separation section separates an image picked up by an image pickup section into a first luminance signal and a first color difference signal, then a first color conversion section and a second color separation section convert the first luminance signal and the first color difference signal to first three primary color signals and second three primary color signals respectively, a signal intensity ratio calculation circuit calculates a signal intensity ratio among the first three primary color signals, matrix coefficients of the second color separation section are changed based on the calculated signal intensity ratio and the second color separation section converts the first luminance signal and the second color difference signal to the second three primary color signals. | 05-24-2012 |
20120257029 | ENDOSCOPE APPARATUS AND METHOD OF DISPLAYING OBJECT IMAGE USING ENDOSCOPE - An endoscope apparatus includes a CCD that picks up an image of an object to be examined, an image processing section that generates, based on an image pickup signal obtained by the CCD, an average image signal, which is an average value of weighted pixel values, from image pickup signals of at least two or more narrow band wavelengths, generates a first image signal with a high-frequency component suppressed with respect to the average image signal, generates a difference image signal, which is a difference value of the weighted pixel values, from image pickup signals of predetermined two narrow band wavelengths, and generates a second image signal with a high-frequency component suppressed with respect to the difference image signal, and an observation monitor that allocates the first image signal and the second image signal to one or more predetermined color channels and performs display. | 10-11-2012 |
20130172675 | MEDICAL INSTRUMENT - A processor includes: first to third matrix circuits that generate an image signal of normal light and an image signal of special light based on an output of a CCD that picks up an image of returning light of light that is irradiated onto living tissue; a color discrimination circuit that discriminates a color tone for respective pixels in accordance with a luminance level of an image signal of the special light; and a color correction circuit that, in an observation mode that uses special light, if an observation object other than living tissue is discriminated as being a red color tone based on the color discrimination circuit, performs color correction to a yellow color tone that is similar to a color tone that the observation object other than living tissue is discriminated as being in an observation mode that uses normal light. | 07-04-2013 |
20130176411 | IMAGE PROCESSING APPARATUS AND ENDOSCOPE SYSTEM - An endoscope system includes a light source device, a CCD, a video processor, and an observation monitor, wherein the video processor includes: a band decomposition processing section that performs a decomposition processing for decomposing into a plurality of spatial frequency bands on a signal of an image picked up by the CCD, to generate a plurality of band images; an enhancement processing section that performs an enhancement processing on selected band images based on an enhancement amount set for a region where an observation target in a subject is distributed in a feature space formed with wavelength bands or spatial frequency bands of the band images selected among the plurality of band images as axes; and an image generation section that integrates the plurality of band images subjected to the color conversion processing, for each wavelength image, to generate an image. | 07-11-2013 |
20130265401 | ENDOSCOPE APPARATUS - An endoscope apparatus includes a light source apparatus, and a light-adjusting circuit. The light-adjusting circuit, based on a first image signal with a first wavelength band having a peak wavelength of a spectral characteristic and a second image signal with a second wavelength band having a peak wavelength of a spectral characteristic providing a value lower than that of the first image signal in the absorption characteristic and providing a suppressed scattering characteristic of the body tissue between a wavelength band providing a maximal value and a wavelength band for a minimal value in an absorption characteristic of a body tissue of a subject, provides a weight larger than that of the second image signal to the first image signal to calculate a light adjustment signal for adjusting a light amount in a light source apparatus and outputs the light adjustment signal. | 10-10-2013 |