Abstract: Provided are an image processing device, an imaging element, an image processing method, and an image processing program that satisfactorily generate a plurality of polarized image data from polarized image data acquired from an imaging element.

Abstract: An imaging support device includes a detection portion that, by operating a revolution mechanism that causes an imaging apparatus including a variable magnification mechanism to revolve, detects a subject image position of a target subject image showing a target subject in a captured image obtained by capturing an imaging region including the target subject by the imaging apparatus, and a control portion that perform a registration control of setting the subject image position detected by the detection portion to a specific position in the captured image for a captured image obtained by imaging performed by the imaging apparatus in accordance with changing of magnification to a telephoto side by the variable magnification mechanism.

Abstract: One embodiment according to the technology of the present disclosure provides an optical element, an optical device, an imaging apparatus, and a manufacturing method of the optical element, for capturing a multispectral image. An optical element according to an aspect of the present invention includes a plurality of optical filters including two or more optical filters that transmit light beams having at least partially different wavelength ranges, and a frame having an inclined surface portion with an optical axis center as an apex, in which the plurality of optical filters are installed on the inclined surface portion.

Abstract: An imaging support device that supports imaging performed by an imaging apparatus includes an acquisition portion that acquires an in-image shift amount between a predetermined position in a captured image obtained by capturing an imaging region by an imaging element and a position of a target subject image showing a target subject, and a focal length of the imaging apparatus, a derivation portion that derives a movement amount required for moving the position of the target subject image to a specific position by a position adjustment portion which adjusts the position of the target subject image in the captured image, based on the in-image shift amount acquired by the acquisition portion, the focal length acquired by the acquisition portion, and information related to a pixel interval of pixels in the imaging element, and an output portion that outputs the movement amount derived by the derivation portion.

Abstract: An imaging method of imaging a subject through a multispectral camera including a processor, includes: causing the processor to perform: a data acquisition step of acquiring first spectral data of a first subject, second spectral data of a second subject, and third spectral data of a third subject; a wavelength selection step of selecting a plurality of wavelengths from a wavelength region of the acquired first to third spectral data, the wavelength selection step being for determining, as a computational amount, a difference or a ratio between feature amounts of two pieces of spectral data, from among the first spectral data, the second spectral data, and the third spectral data, and obtaining computational amounts to select the plurality of wavelengths; and an imaging step of imaging a subject including at least one of the first subject, the second subject, or the third subject at the plurality of wavelengths.

Abstract: A lens device includes an imaging optical system and an optical member. The optical member is disposed near a pupil of the imaging optical system in a state where an optical axis of the optical member coincides with an optical axis of the imaging optical system. The optical member includes a frame that includes a plurality of aperture regions, a plurality of optical filters that are disposed in at least one of the plurality of aperture regions and include two or more optical filters transmitting light having at least some wavelength ranges different from each other, and a plurality of polarizing filters that are disposed in at least one of the plurality of aperture regions and have different polarization directions. The lens barrel has a slit, and the optical member is insertable into and removable from the imaging optical system through the slit.

Abstract: An imaging support method includes acquiring a focal length of an imaging apparatus, detecting a subject image position of a target subject image showing a target subject in a captured image obtained by capturing an imaging region including the target subject by the imaging apparatus, and performing registration control for setting the detected subject image position to a specific position in the captured image by increasing a ratio of application of an image region movement component compared to a lens moving mechanism in a case where the acquired focal length is greater than or equal to a threshold value, and increasing a ratio of application of the lens moving mechanism compared to the image region movement component in a case where the focal length is less than the threshold value.

Abstract: One embodiment according to the technology of the present disclosure provides an optical element, an optical device, an imaging apparatus, and a manufacturing method of the optical element, for capturing a multispectral image. An optical element according to an aspect of the present invention includes a plurality of optical filters including two or more optical filters that transmit light beams having at least partially different wavelength ranges, and a frame having an inclined surface portion with an optical axis center as an apex, in which the plurality of optical filters are installed on the inclined surface portion.

Abstract: A processor of an imaging support device is configured to acquire data related to a shake correction amount of a shake correction mechanism and a focal length of an imaging apparatus in a state where the shake correction mechanism of the imaging apparatus is operating, and adjust an irradiation range of light from an irradiation apparatus for a target subject based on the acquired data related to the shake correction amount and the acquired data related to the focal length.

Abstract: Provided are an imaging device which can simultaneously capture images in different wavelength ranges and can improve a focusing accuracy of each image, an imaging optical system, and an imaging method.

Abstract: Provided is an imaging support device including an acquisition portion that acquires reversal information indicating that a revolution direction of an imaging apparatus that is caused to revolve about one axis out of a first axis and a second axis intersecting with the first axis as a central axis by a revolution mechanism enabling the imaging apparatus to revolve about each of the first axis and the second axis as the central axis is reversed, and a control portion that, in a case where the reversal information is acquired by the acquisition portion, performs a control of operating an adjustment portion capable of adjusting a position of a captured image obtained by imaging performed by the imaging apparatus.

Abstract: An imaging support method includes acquiring a focal length of an imaging apparatus, detecting a subject image position of a target subject image showing a target subject in a captured image obtained by capturing an imaging region including the target subject by the imaging apparatus, and performing registration control for setting the detected subject image position to a specific position in the captured image by increasing a ratio of application of an image region movement component compared to a lens moving mechanism in a case where the acquired focal length is greater than or equal to a threshold value, and increasing a ratio of application of the lens moving mechanism compared to the image region movement component in a case where the focal length is less than the threshold value.

Abstract: A lens device includes an imaging optical system and an optical member. The optical member is disposed near a pupil of the imaging optical system in a state where an optical axis of the optical member coincides with an optical axis of the imaging optical system. The optical member includes a frame that includes a plurality of aperture regions, a plurality of optical filters that are disposed in at least one of the plurality of aperture regions and include two or more optical filters transmitting light having at least some wavelength ranges different from each other, and a plurality of polarizing filters that are disposed in at least one of the plurality of aperture regions and have different polarization directions. The lens barrel has a slit, and the optical member is insertable into and removable from the imaging optical system through the slit.

Abstract: An image data processing device processes image data captured by an imaging device that includes an optical system which spectrally separates incident light and polarizes light with the spectrally separated wavelengths, and emits the polarized light in a specific direction and an imaging element including a plurality of pixel sets each of which includes different types of polarizers. The image data processing device performs processes of: acquiring the image data; detecting a pixel whose pixel value is out of a predetermined range as an abnormal pixel from the acquired image data; correcting a pixel value of the abnormal pixel on the basis of pixel values of peripheral pixels in a case in which the abnormal pixel is detected; and generating images of the spectrally separated wavelengths from the image data in which the pixel value of the abnormal pixel has been corrected when the abnormal pixel is detected.

Abstract: Provided are a data processing apparatus, a data processing method, a data processing program, an optical element, an imaging optical system, and an imaging apparatus which can select two or more wavelengths suitable for discrimination of a desired subject among a plurality of subjects. In a data processing apparatus (10-1) including a processor, the processor performs data acquisition processing of acquiring first spectral data of a first subject and second spectral data of a second subject, and wavelength selection processing of selecting a plurality of specific wavelengths from wavelength ranges of the acquired first spectral data and second spectral data, and in the wavelength selection processing, the plurality of specific wavelengths are selected based on a difference in a feature amount between the first spectral data and the second spectral data.

Abstract: A data processing apparatus includes a processor, in which the processor executes data acquisition processing of acquiring spectral data of a plurality of subjects, calculation processing of calculating intensity characteristics at a first wavelength and a second wavelength selected from wavelength ranges of the acquired spectral data of the plurality of subjects based on a relationship between two wavelengths which are the first wavelength and the second wavelength, data conversion processing of converting the intensity characteristics calculated in the calculation processing into discrimination data of a specific subject for the wavelength range, and output processing of outputting the discrimination data to an outside.

Abstract: Provided are a lens device, a filter unit, and an imaging apparatus capable of suppressing occurrence of ghosts. The lens device includes a filter unit in an optical path. The filter unit has a plurality of opening portions including a first opening portion and a second opening portion. At least the first opening portion and the second opening portion each include a band-pass filter, and each include an optical element on at least one of an object side or an image side of the band-pass filter. The optical element is composed of a polarized light filter and a wave plate which converts linearly polarized light into circularly polarized light or elliptically polarized light. The first opening portion and the second opening portion pass light in different wavelength regions and different polarization directions.

Abstract: One embodiment according to the technology of the present disclosure provides an optical element, an optical device, and an imaging apparatus, which can acquire a multispectral image having a good image quality. An optical element according to one aspect of the present invention includes: a frame having a plurality of aperture regions; and a plurality of optical filters that are mounted in the plurality of aperture regions, the plurality of optical filters including at least two types of filters having different wavelength ranges of transmitted light, and centroids of at least two types of aperture regions coincide with each other.

Abstract: An optical member includes aperture regions, a lens device, and an imaging apparatus. A lens device includes: an imaging optical system; a first polarizing part that polarizes at least a part of rays transmitted through the imaging optical system; and a filter unit that is disposed at a pupil position of the imaging optical system or near the pupil position, and includes aperture regions transmitting the rays of the imaging optical system and including a first aperture region and a second aperture region, wavelength selective filters disposed in the first aperture region and the second aperture region and transmitting pieces of light of which at least a part of wavelength ranges are different from each other, and a second polarizing filter including polarizing filters disposed in the first aperture region and the second aperture region and having polarization directions different from each other.

Abstract: An imaging support device that supports imaging performed by an imaging apparatus includes an acquisition portion that acquires an in-image shift amount between a predetermined position in a captured image obtained by capturing an imaging region by an imaging element and a position of a target subject image showing a target subject, and a focal length of the imaging apparatus, a derivation portion that derives a movement amount required for moving the position of the target subject image to a specific position by a position adjustment portion which adjusts the position of the target subject image in the captured image, based on the in-image shift amount acquired by the acquisition portion, the focal length acquired by the acquisition portion, and information related to a pixel interval of pixels in the imaging element, and an output portion that outputs the movement amount derived by the derivation portion.