Abstract: According to one embodiment, an optical apparatus includes at least two light sources, illumination opening portions, and an imaging portion. The illumination opening portions are configured to partially block light emitted from the at least two light sources, respectively, to form illumination light. The imaging portion is configured to image an object using the illumination light. The at least two light sources are disposed at positions facing each other with an optical axis of the imaging portion interposed between the at least two light sources. The illumination light from the at least two light sources is formed to spread like a fan shape toward the object respectively by the illumination opening portions. The fan shape is defined on a reference plane including the optical axis of the imaging portion and on another plane parallel to the reference plane.

Abstract: A terminal control program according to the present disclosure causes a terminal apparatus to perform: receiving model information and version information that have been automatically transmitted from a fishing electric reel in response to a first request transmitted according to a user's operation; storing a reel control program of a latest version of the fishing electric reel of a model indicated by the model information; transmitting the reel control program of the latest version to the fishing electric reel, in a case where a version indicated by the received version information does not match the latest version; and changing a screen for setting or displaying reel information to the screen that corresponds to the reel control program of the latest version.

Abstract: According to the embodiment, an optical apparatus includes an illumination optical element having a focal plane or a focal plane region including a vicinity of the focal plane; and a projection portion including a light source. The projection portion is configured to emit a light flux including light of at least two different wavelength spectra from the light source to the illumination optical element. The projection portion is configured to form a projection image at different positions by light of the two different wavelength spectra in the focal plane or the focal plane region of the illumination optical element.

Abstract: According to an embodiment, a processing apparatus includes one or more processors. The one or more processors are configured to: shift one or more captured images selected from a plurality of captured images including a reference captured image, and compose at least one subject surface image by superimposing the shifted one or more captured images on the reference captured image. The plurality of captured images have been obtained with an imaging portion within a predetermined time while a surface of a subject moving relative to the illumination light is irradiated with a plurality of beams of illumination light traveling in different directions in at least one plane.

Abstract: According to the embodiment, an optical inspection method for a surface state of a subject includes acquiring and discriminating. The acquiring includes acquiring a color vector of a color corresponding to a wavelength spectrum in a color coordinate system of n dimensions (n is a natural number equal to or larger than 1), which is equal to or smaller than a number of a plurality of color channels of pixels of an image sensor, with optical imaging using a wavelength spectrum selection portion that selectively allows a plurality of wavelength spectra different from one another from a surface of the subject to pass. The discriminating includes discriminating the surface state of the subject based on a direction of the color vector in the color coordinate system.

Abstract: In an embodiment, a processing device relating to an inspection of an inspection object by a photography unit is provided. A processor of the processing device calculates a plurality of photography points as positions photographing the inspection object based on shape data in which a shape of a surface of the inspection object is indicated by a point group, and information relating to a position and a normal vector on the surface of the inspection object is defined by the point group. The processor executes analysis regarding a path that passes through all of the calculated photography points and minimizes a sum of a movement cost from each of the photography points to a photography point of a next movement destination, and calculates a path corresponding to an analysis result as a path for moving the photography unit.

Abstract: According to an embodiment, an optical apparatus includes an illumination unit, a light-receiving unit and a processing unit. The illumination unit can illuminate an object with a plurality of pattern rays including rays with different wavelengths simultaneously. The light-receiving unit includes a pixel that can receive the rays from the object to disperse at least two of the different wavelengths included in the pattern rays. The processing unit acquires information on the object based on a result of the pixel of the light-receiving unit receiving the pattern rays with which the illumination unit illuminates the object simultaneously.

Abstract: According to one embodiment, an optical inspection method includes projecting first pattern light in a first basic modulation mode that periodically changes in bright and dark, onto an object, acquiring a first image by capturing an image of the object onto which the first pattern light has been projected, projecting second pattern light in a first inverted modulation mode in which bright and dark are inverted with respect to the first basic modulation mode, onto the object, acquiring a second image by capturing an image of the object onto which the second pattern light has been projected, and generating a singular light-scattered image in which a singular region including uniquely-scattered light that is extracted based at least on the first image and the second image is intensified.

Abstract: According to the embodiment, an optical measurement method includes: forming an object image including at least a part of the object by a bright-field optical system, and capturing and acquiring object image data by an imaging element configured to distinguish spectrums including first and second wavelengths by each pixel; performing dark-field conversions for the first wavelength to obtain first converted image data and for the second wavelength to obtain second converted image data, based on the object image data; performing hue generation processing of generating hue image data based on the first and second converted image data; and estimating information regarding a physical property of the object based on the hue image data.

Abstract: According to an embodiment, an optical inspection method includes: causing a wavelength selection portion to selectively pass light components including at least two different wavelength spectra from an object point and causing an imaging portion including at least two color channels configured to receive the light components of the wavelength spectra to capture the object point; defining the light components of the at least two different wavelength spectra as signal vectors having different directions based on light reception data in the at least two color channels for the object point; and estimating spread of a direction distribution of light at the object point based on the directions of the signal vectors.

Abstract: According to the embodiment, an optical inspection apparatus includes a single-pixel light receiving element, an image formation optical element, and a light beam selection portion. The image formation optical element is disposed at a position where the single-pixel light receiving element configured to receive image points corresponding to at least two different object points of an object. The light beam selection portion is provided between the image formation optical element and the single-pixel light receiving element and is configured to selectively shield at least one wavelength included in lights from the object points.

Abstract: According to one embodiment, an optical imaging apparatus includes a polarizer assembly, a polarization image sensor, and a lens assembly. The polarizer assembly is configured to acquire a first light ray of a first polarization component and a second light ray of a second polarization component which is different from the first polarization component, by using a light flux from an identical direction. The polarization image sensor is located in a position facing the polarizer assembly. The polarization image sensor is configured to acquire an image of the first polarization component and an image of the second polarization component at once or at the same time. The lens assembly includes a first lens configured to form the images on the polarization image sensor.

Abstract: According to an embodiment, an optical inspection apparatus includes: an illumination portion, a wavelength selection portion and an imaging portion. The illumination portion irradiates a first object point of a surface of an object with first illumination light, and a second object point of the surface of the object with second illumination light. The imaging portion images light from the first object point through the wavelength selection portion when a normal direction at the first object point and a direction of the first illumination light have an opposing relationship, and images light from the second object point through the wavelength selection portion when a normal direction at the second object point and a direction of the second illumination light have an opposing relationship.

Abstract: According to an embodiment, a non-transitory storage medium stores an optical inspection program. The optical inspection program causes a processor to execute generating a wavelength selection portion-removed image by removing, from a captured image of an object surface imaged through a wavelength selection portion configured to select at least two different wavelength spectra from incident light, an image of the wavelength selection portion included in the captured image.

Abstract: According to the embodiment, an optical imaging apparatus includes: an illuminator, a lens, an aperture, and an imaging element. Light is incident into the lens through an inspection object provided where the parallel light from the illuminator reaches. The light has passed through the solvent and the target, and/or through the solvent. The aperture is disposed on a focal plane of the lens. The aperture includes a passage region and a light-blocking region. The passage region allows passage of diffracted light in a direction different from a direction of the parallel light due to the target from the parallel light from the illuminator. The light-blocking region blocks the parallel light having passed through the solvent.

Abstract: According to the embodiment, an optical inspection method includes: emitting, acquiring, and comparing. The emitting includes emitting light beams having a first wavelength and a second wavelength toward an imaging unit in accordance with light beam directions from a subject, with light beam intensities of the first wavelength and the second wavelength being in a complementary relationship. The acquiring includes acquiring each of information of a first image related to the first wavelength and information of a second image related to the second wavelength with the imaging unit. The comparing includes comparing the information of the first image and the information of the second image to extract unevenness information of the subject.

Abstract: According to an embodiment, an optical apparatus includes an illumination unit, a light-receiving unit and a processing unit. The illumination unit can illuminate an object with a plurality of pattern rays including rays with different wavelengths simultaneously. The light-receiving unit includes a pixel that can receive the rays from the object to disperse at least two of the different wavelengths included in the pattern rays. The processing unit acquires information on the object based on a result of the pixel of the light-receiving unit receiving the pattern rays with which the illumination unit illuminates the object simultaneously.

Abstract: According to an embodiment, an optical inspection method includes calculating irradiation field information concerning an irradiation field on a surface of a subject when irradiating the surface of the subject with a light beam from an illumination device that is supported by a movable body and moved; and performing path calculation processing of calculating, based on the irradiation field information, a path for the illumination device to move.

Abstract: According to the embodiment, an optical inspection method includes: acquiring an image by capturing the image, using light from a surface of an object, which passes through a wavelength selection portion configured to selectively pass light components of a plurality of predetermined wavelengths different from each other, the image sensor including color channels configured to discriminately receive the light components of the plurality of predetermined wavelengths, performing color count estimation processing configured to estimate the number of colors based on the intensity ratio of the color channels that have received the light in each pixel of the image, and performing scattered light distribution identification processing configured to identify a scattered light distribution as BRDF from the surface of the object based on the number of colors or surface state identification processing configured to identify a state of the surface of the object based on the number of colors.

Abstract: According to one embodiment, an optical test apparatus includes a light convergence element, an optical filter, and an image sensor. The light convergence element converges light from a subject. The optical filter is arranged on an optical axis of the light convergence element. The image sensor is arranged in an effective region not crossing the optical axis of the light convergence element, and receives light passing through the light convergence element and the optical filter.