Abstract: An endoscope scope includes: an imaging device that acquires image information; a color filter disposed on pixels of the imaging device and in which primary-color pixels and complementary-color pixels coexist; a detector that detects whether or not an image processor that generates an observation image based on the acquired image information via the color filter is compatible with the image information consisting of an array in which the primary-color pixels and the complementary-color pixels coexist; and a converter that performs Bayer-conversion processing for converting the image information to a Bayer array in a case in which the detector detects that the image processor is not compatible with the image information consisting of the array, and that does not perform the Bayer-conversion processing on the image information in a case in which the detector detects that the image processor is compatible with the image information consisting of the array.

Abstract: An information processing system includes a processor. The trained model is trained to resolution recover a low resolution training image generated by low resolution processing performed on a high resolution training image to a high resolution training image that represents a high resolution image captured with a predetermined object through the first imaging system. The low resolution processing represents processing that generates a low resolution image as if captured with the predetermined object through the second imaging system and processing that simulates the second imaging method, and includes processing that simulates a resolution characteristic of an optical system of the second imaging system. The processor uses the trained model to resolution recover the processing target image captured through a second imaging system to an image having a resolution at which the first imaging system performs imaging.

Abstract: An endoscope device is disclosed which includes an image processing unit that generates a first image corresponding to light in a green wavelength band on the basis of an imaging signal generated by an imaging device when a light source unit emits first illumination light or second illumination light, and generates a second image corresponding to light in other one of wavelength bands. Resolution of the first image obtained when the light source unit emits the first illumination light is equal to or higher than resolution of the first image obtained when the light source unit emits the second illumination light, and resolution of the second image obtained when the light source unit emits the second illumination light is higher than resolution of the second image obtained when the light source unit emits the first illumination light.

Abstract: An endoscope device includes: a light source configured to perform any one of simultaneous lighting and sequential lighting; an image sensor including a plurality of pixels; a plurality of filters including at least one type of primary filter and a complementary filter; and a processor including hardware, the processor being configured to cause the light source to switch between the simultaneous lighting and the sequential lighting, when the simultaneous lighting is performed, perform interpolation processing to generate an output image by using an imaging signal generated from a pixel corresponding to the complementary filter, and when the sequential lighting is performed, perform interpolation processing to generate an output image by using an imaging signal generated from a pixel corresponding to the complementary filter as an imaging signal generated from a pixel corresponding to the at least one type of primary filter.

Abstract: Provided is an image processing device including a processor including hardware, the processor being configured to detect a positional deviation amount of pixels among image data of a plurality of frames; combine, based on the detected positional deviation amount, information concerning the pixels, in which a first filter is arranged, of the image data of at least one or more past frames with image data of a reference frame to generate combined image data; perform interpolation processing on the generated combined image data to generate, as reference image data, first interpolated image data including information concerning the first filter in all pixel positions; and perform, referring to the generated reference image data, interpolation processing on the image data of the reference frame to generate, for each of a plurality of types of second filters, second interpolated image data including information concerning the second filters in all pixel positions.

Abstract: An image processing device includes: a separation unit configured to separate a plurality of wide-band image signals corresponding to wide-band light passing through each of a plurality of wide-band filters and a narrow-band image signal corresponding to narrow-band light passing through a narrow-band filter, from each other, based on an image signal input from an imaging device; a demosaicing unit configured to perform demosaic processing that interpolates one of the plurality of wide-band image signals based on edge information from the narrow-band image signal separated by the separation unit; and an image generation unit configured to generate a wide-band image by using the wide-band image signal interpolated by the demosaic processing performed by the demosaicing unit and generate a narrow-band image by using the narrow-band image signal.

Abstract: An endoscope device includes: a light source configured to perform any one of simultaneous lighting and sequential lighting; an image sensor including a plurality of pixels; a plurality of filters including at least one type of primary filter and a complementary filter; and a processor including hardware, the processor being configured to cause the light source to switch between the simultaneous lighting and the sequential lighting, when the simultaneous lighting is performed, perform interpolation processing to generate an output image by using an imaging signal generated from a pixel corresponding to the complementary filter, and when the sequential lighting is performed, perform interpolation processing to generate an output image by using an imaging signal generated from a pixel corresponding to the complementary filter as an imaging signal generated from a pixel corresponding to the at least one type of primary filter.

Abstract: A multi-layer image sensor includes: a first image sensor including a first pixel and a second pixel; and a second image sensor including a third pixel and at least one of a fourth pixel and a fifth pixel. The second image sensor has a light receiving surface where the first image sensor is stacked. At least a portion of the fourth pixel is arranged at a position corresponding to a position of the first pixel and at a position overlapping with the first pixel in a stacking direction of the first sensor. At least a portion of the third pixel is arranged at a position corresponding to a position of the second pixel and at a position overlapping with the second pixel in the stacking direction of the first sensor.

Abstract: An endoscope scope includes: an imaging device that acquires image information; a color filter disposed on pixels of the imaging device and in which primary-color pixels and complementary-color pixels coexist; a detector that detects whether or not an image processor that generates an observation image based on the acquired image information via the color filter is compatible with the image information consisting of an array in which the primary-color pixels and the complementary-color pixels coexist; and a converter that performs Bayer-conversion processing for converting the image information to a Bayer array in a case in which the detector detects that the image processor is not compatible with the image information consisting of the array, and that does not perform the Bayer-conversion processing on the image information in a case in which the detector detects that the image processor is compatible with the image information consisting of the array.

Abstract: An imaging device includes: an imaging sensor; a color filter including first band filters and a second band filter configured to transmit narrowband light having a maximum value of a transmission spectrum outside a range of the wavelength band of the light that passes through each first band filter; a first light source unit; a second light source unit configured to radiate light having an upward projecting distribution of a wavelength spectrum in relation to intensity and having a narrowband light spectrum narrower than the broadband; and a control unit configured to cause the first light source unit and the second light source unit to radiate the beams of light simultaneously, wherein a peak wavelength of the light radiated by the second light source unit is an infrared region or a near-infrared region.

Abstract: An image processing unit has an image acquisition part, a correlation determination part, a reference image generation part, and an interpolation image generation part. The image acquisition part acquires an original image. The correlation determination unit determines whether the correlation of an image component of a primary reference band with image components of respective bands other than the primary reference band is either high correlation or low correlation. The reference image generation part interpolates missing pixels in the image component of the primary reference band by switching the interpolation method based on the correlation determination result obtained by the correlation determination part. The interpolation image generation part interpolates, using the correlation determination result and the primary reference image, missing pixels in at least some of the image component of the primary reference band.

Abstract: An endoscope device is disclosed which includes an image processing unit that generates a first image corresponding to light in a green wavelength band on the basis of an imaging signal generated by an imaging device when a light source unit emits first illumination light or second illumination light, and generates a second image corresponding to light in other one of wavelength bands. Resolution of the first image obtained when the light source unit emits the first illumination light is equal to or higher than resolution of the first image obtained when the light source unit emits the second illumination light, and resolution of the second image obtained when the light source unit emits the second illumination light is higher than resolution of the second image obtained when the light source unit emits the first illumination light.

Abstract: A multi-layer image sensor includes: a first image sensor including a first pixel and a second pixel; and a second image sensor including a third pixel and at least one of a fourth pixel and a fifth pixel. The second image sensor has a light receiving surface where the first image sensor is stacked. At least a portion of the fourth pixel is arranged at a position corresponding to a position of the first pixel and at a position overlapping with the first pixel in a stacking direction of the first sensor. At least a portion of the third pixel is arranged at a position corresponding to a position of the second pixel and at a position overlapping with the second pixel in the stacking direction of the first sensor.

Abstract: An image processing device includes a processor, and the processor acquires a captured image that has been captured using an image sensor, the image sensor including a multi-band color filter array in which color filters that respectively correspond to four or more bands are arranged in an array, generates a low-noise reference image subjected to a noise reduction process as a reference image that is used for an interpolation process that is performed on pixel values of the captured image, and performs the interpolation process on a band basis based on the generated low-noise reference image to generate an interpolated image in which pixel values of missing pixels are interpolated.

Abstract: An image processing device includes: a separation unit configured to separate a plurality of wide-band image signals corresponding to wide-band light passing through each of a plurality of wide-band filters and a narrow-band image signal corresponding to narrow-band light passing through a narrow-band filter, from each other, based on an image signal input from an imaging device; a demosaicing unit configured to perform demosaic processing that interpolates one of the plurality of wide-band image signals based on edge information from the narrow-band image signal separated by the separation unit; and an image generation unit configured to generate a wide-band image by using the wide-band image signal interpolated by the demosaic processing performed by the demosaicing unit and generate a narrow-band image by using the narrow-band image signal.

Abstract: An imaging system includes: an imaging sensor; a plurality of first band filters and a second band filter, the second band filter being configured to transmit narrowband light having a maximum value of a transmission spectrum outside a range of a wavelength band of light that passes through the first band filter; and a light source unit configured to radiate light having a projecting distribution in which at least one of an upper limit value and a lower limit value of a wavelength that are half a maximum value in a light spectrum of a light source is between an upper limit value and a lower limit value of a wavelength that are half the maximum value in the transmission spectrum of the second band filter. A color and a narrowband images are generated from a single image while the light source unit radiates the light.

Abstract: An imaging device includes: an imaging sensor; a color filter including first band filters and a second band filter configured to transmit narrowband light having a maximum value of a transmission spectrum outside a range of the wavelength band of the light that passes through each first band filter; a first light source unit; a second light source unit configured to radiate light having an upward projecting distribution of a wavelength spectrum in relation to intensity and having a narrowband light spectrum narrower than the broadband; and a control unit configured to cause the first light source unit and the second light source unit to radiate the beams of light simultaneously, wherein a peak wavelength of the light radiated by the second light source unit is an infrared region or a near-infrared region.

Abstract: An imaging device includes an image sensor. The image sensor includes: a light receiving unit having pixels configured to receive light and generate an imaging signal according to an amount of the received light; a color filter having a filter unit disposed corresponding to the pixels, the filter unit including first band filters for passing light of a wavelength band of a primary color or a complementary color and including at least one second band filter for passing narrow-band light whose wavelength band is narrower than the wavelength band of the light passing through each of the first band filters; and an output unit configured to output the imaging signal under conditions that an amount of light incident on a second pixel corresponding to the at least one second band filter is greater than an amount of light incident on each of first pixels corresponding to the first band filters.

Abstract: An image processing device includes: an acquisition unit configured to acquire image data generated by an imaging element where each of narrow band filters constituting a predetermined array pattern is disposed at a position corresponding to any one of a plurality of pixels; a determination unit configured to determine whether or not a light amount of the invisible light range under an environment at the time when the imaging element generates the image data is larger than a threshold value; and a generation unit configured to generate vital information of a subject based on the determination result of the determination unit.

Abstract: An image processing unit has an image acquisition part, a correlation determination part, a reference image generation part, and an interpolation image generation part. The image acquisition part acquires an original image. The correlation determination unit determines whether the correlation of an image component of a primary reference band with image components of respective bands other than the primary reference band is either high correlation or low correlation. The reference image generation part interpolates missing pixels in the image component of the primary reference band by switching the interpolation method based on the correlation determination result obtained by the correlation determination part. The interpolation image generation part interpolates, using the correlation determination result and the primary reference image, missing pixels in at least some of the image component of the primary reference band.