Abstract: A stereo camera apparatus includes a first imaging unit including a first imaging optical system provided with a plurality of lens groups, and a first actuator configured to change a focal length by driving at least one of the plurality of lens groups of the first imaging optical system; a second imaging unit including a second imaging optical system provided with a plurality of lens groups, and a second actuator configured to change a focal length by driving at least one of the plurality of lens groups of the second imaging optical system; a focal length controller configured to output synchronized driving signals to the first and second actuators; and an image processing unit configured to calculate a distance to a subject by using images captured by the first imaging unit and the second imaging unit.

Abstract: A lens unit includes a plurality of lenses arranged in an optical axis direction, a lens barrel, and a retainer. The lens barrel has an opening larger than outer diameters of the plurality of lenses and contains the plurality of lenses. The retainer holds the plurality of lenses by contacting, from a side adjacent to the opening in the lens barrel, one of the plurality of lenses that is closest to the opening. Each of the plurality of lenses has an object-side surface and an image-side surface which each include a flat portion that extends radially inward from an outer edge of the lens and that is perpendicular to the optical axis direction of the lens. Each of the plurality of lenses is held in planar contact with a holder at the flat portion. The retainer holds the plurality of lenses by biasing the plurality of lenses in the optical axis direction.

Abstract: An imaging device includes a lens barrel in which a plurality of lenses are held and that has a thread groove in a cylindrical outer periphery thereof; an imaging element that captures a subject image incident on the imaging element through the lenses; a housing that holds the imaging element and that includes a threaded portion configured to engage with the thread groove in the outer periphery of the lens barrel; and an adhesive member positioned between the thread groove in the outer periphery of the lens barrel and the threaded portion of the housing. The thread groove is provided in a range including a position at which a principal plane of an optical system including the plurality of lenses crosses the outer periphery of the lens barrel.

Abstract: A parallax calculation apparatus includes an acquisition unit and a controller. The acquisition unit acquires a standard image and a reference image captured by a stereo camera. From each of the standard image and the reference image, the controller extracts lines from a plurality of lines parallel to a first direction in an image space corresponding to a baseline direction of a three-dimensional coordinate space. The controller calculates a parallax between the standard image and the reference image based on a plurality of pixels included in the extracted lines.

Abstract: A parallax calculation apparatus (12) includes an input interface (15) configured to acquire a stereo image including a first image and a second image and a controller (16) configured to calculate parallax by performing sequential matching of a block that is a portion of the second image with the first image while sequentially shifting the block from an initial position in a baseline length direction. The controller (16) varies the pitch at which the block is shifted next in accordance with the shift amount of the block from the initial position.

Abstract: The stereo camera apparatus includes a stereo camera and a first controller configured to detect a target object to be detected based on at least one first region among a plurality of regions located at different positions in a predetermined direction in an image captured by the stereo camera, generate interpolation pixels by performing pixel interpolation based on at least original pixels that constitute an image of the detected object and detect distance from a reference position to a position of the detected object based on at least the interpolation pixels. As a result, a stereo camera apparatus capable of detecting an object located far away from a vehicle with a high accuracy while suppressing the processing load and a vehicle can be provided.

Abstract: An image processing apparatus includes an input interface configured to acquire images captured by a camera and a controller configured to detect an edge corresponding to at least one of two or more parallel, straight lines included in the subject of the camera from each of a plurality of frames acquired by the input interface, to select a frame for use by evaluating the detected edge, and to calculate calibration data for the camera on the basis of an approximate straight line corresponding to edge pixels obtained from a plurality of selected frames.

Abstract: An object detection apparatus includes an imaging unit installed in a vehicle that images the surroundings of the vehicle and a controller that changes, in accordance with driving conditions of the vehicle, at least one of a position of at least one region among regions in which object detection is performed in an image captured by the imaging unit, a shape of at least one of the regions, and the number of regions, the regions including a first region and a second region wider than the first region.

Abstract: A stereo camera apparatus 10 includes: a first imaging unit 11R including an imaging optical system 14R provided with a plurality of lens groups, and an actuator 16R configured to change a focal length by driving at least one of the plurality of lens groups of the imaging optical system 14R; a second imaging unit 11L including an imaging optical system 14L provided with a plurality of lens groups, and an actuator 16L configured to change a focal length by driving at least one of the plurality of lens groups of the imaging optical system 14L; a focal length controller 21 configured to output synchronized driving signals to the actuators 16R and 16L; and an image processing unit 22 configured to calculate a distance to a subject by using images captured by the first imaging unit 11R and the second imaging unit 11L.

Abstract: A parallax calculation apparatus includes an acquisition unit and a controller. The acquisition unit acquires a standard image and a reference image captured by a stereo camera. From each of the standard image and the reference image, the controller extracts lines from a plurality of lines parallel to a first direction in an image space corresponding to a baseline direction of a three-dimensional coordinate space. The controller calculates a parallax between the standard image and the reference image based on a plurality of pixels included in the extracted lines.

Abstract: An image processing apparatus includes an input interface configured to acquire images captured by a camera and a controller configured to detect an edge corresponding to at least one of two or more parallel, straight lines included in the subject of the camera from each of a plurality of frames acquired by the input interface, to select a frame for use by evaluating the detected edge, and to calculate calibration data for the camera on the basis of an approximate straight line corresponding to edge pixels obtained from a plurality of selected frames.

Abstract: A parallax calculation apparatus (12) includes an input interface (15) configured to acquire a stereo image including a first image and a second image and a controller (16) configured to calculate parallax by performing sequential matching of a block that is a portion of the second image with the first image while sequentially shifting the block from an initial position in a baseline length direction. The controller (16) varies the pitch at which the block is shifted next in accordance with the shift amount of the block from the initial position.

Abstract: The stereo camera apparatus includes a stereo camera and a first controller configured to detect a target object to be detected based on at least one first region among a plurality of regions located at different positions in a predetermined direction in an image captured by the stereo camera, generate interpolation pixels by performing pixel interpolation based on at least original pixels that constitute an image of the detected object and detect distance from a reference position to a position of the detected object based on at least the interpolation pixels. As a result, a stereo camera apparatus capable of detecting an object located far away from a vehicle with a high accuracy while suppressing the processing load and a vehicle can be provided.

Abstract: An object detection apparatus includes an imaging unit installed in a vehicle that images the surroundings of the vehicle and a controller that changes, in accordance with driving conditions of the vehicle, at least one of a position of at least one region among regions in which object detection is performed in an image captured by the imaging unit, a shape of at least one of the regions, and the number of regions, the regions including a first region and a second region wider than the first region.

Abstract: An optical system comprising an aberration control optical system is disclosed. An aberration control optical system is operable to produce an image aberration, and an aperture stop is operable to limit a light beam passing through the aberration control optical system. An image pickup device is operable to capture an object image passing through the aberration control optical system, and the aberration control optical system provides inflection points within a diameter of the aperture stop to obtain a depth extending effect.

Abstract: An imaging apparatus includes an aberration control optical system having an aberration control function to intentionally generate an aberration and an imaging device; and an image processing device which forms a first image into a highly accurate final image. An aberration control optical system makes the PSF to cover two or more pixels by using the aberration control optical system containing an aberration control element having an aberration control function to intentionally generate an aberration or an aberration control plane having the aberration control function. The aberration control optical system is formed as a depth extension optical system having two or more peaks of the MTF characteristic for defocus in a main image plane shift region not causing a false resolution in a predetermined frequency.

Abstract: An imaging device, a manufacturing method of an imaging device, and an information code reading device configurable not only to simplify their optical system and to reduce their costs, but also to suppress fluctuations of resin lenses and deterioration of lens performances due to its expansion. An optical system has a second lens made of resin and the other lenses made of glass. The power of the resin lens is small in comparison with that of the glass lens, wherein each power is set to be small in comparison with that of the optical system. In the lens frame structures, the lens holding part and the imaging element holding part are separately constituted, the lens holding part and imaging element holding part are fastened through the intermediate member, expansion coefficients of the lens holding unit and the imaging element holding unit are different so as to control the coefficients.

Abstract: An image pickup device comprising visible color optimization under received near-infrared and infrared light conditions is disclosed. Color signals corresponding to light received through each of a plurality of color filters are processed to determine a near-infrared and infrared light energy contribution. The color signals are processed to optimize color of received images.

Abstract: An optical system comprising an aberration control optical system is disclosed. An aberration control optical system is operable to produce an image aberration, and an aperture stop is operable to limit a light beam passing through the aberration control optical system. An image pickup device is operable to capture an object image passing through the aberration control optical system, and the aberration control optical system provides inflection points within a diameter of the aperture stop to obtain a depth extending effect.

Abstract: An imaging device includes a zoom optical system including a light wavefront modulation element which has a light wavefront modulation function and is able to adjust a light wavefront modulation pattern, an imaging element capturing an image of an object passed through the zoom optical system, a modulation pattern control part controlling the light wavefront modulation pattern of the light wavefront modulation element, and an image processing part applying predetermined processing to an image signal of the object from the imaging element.