Abstract: There is provided in accordance with some embodiments of the present invention an optical assembly including a set of optical paths, wherein two or more optical paths receive an image from a common surface. The optical paths may direct received images onto a common image sensor generating a complex multidimensional data set, an image processing block may extrapolate each of the subset of optical paths printed on the image sensor and may generate a multidimensional data set based on the collected images.

Abstract: Disclosed are systems, methods and circuits for human to machine interfacing using one or more 3D hand skeleton models, comprising an image acquisition circuit to acquire a 2D image of a hand, a hand feature identifier module to identify hand features in an acquired image and an image skeleton builder module to generate a 2D skeleton dataset of the hand using identified features. A 3D skeleton builder module is adapted to generate a 3D hand skeleton dataset by determining a configuration of some or all of the one or more 3D hand skeleton models whose 2D projection substantially corresponds to the generated 2D skeleton dataset.

Abstract: The focus detection apparatus includes an image pickup part (101-107) including first and second pixels photoelectrically converting first and second images formed by light fluxes passing through different pupil area of an image-forming optical system to produce first and second image signals, a first signal processor (121) performing a first process to smooth the first and second image signals by using mutually different filters, a second signal processor (121) performing a second process to sharpen the first and second image signals by using mutually different filters. A calculating part (121) calculates a defocus amount by using the first and second image signals subjected to the first process when a contrast value is higher than a predetermined value, and calculates the defocus amount by using the first and second image signals subjected to the second process when the contrast value is lower than the predetermined value.

Abstract: Tools are described for preparing digital dental models for use in dental restoration production processes, along with associated systems and methods. Dental modeling is improved by supplementing views of three-dimensional models with still images of the modeled subject matter. Video data acquired during a scan of the model provides a source of still images that can be displayed alongside a rendered three-dimensional model, and the two views (model and still image) may be synchronized to provide a common perspective of the model's subject matter. This approach provides useful visual information for disambiguating surface features of the model during processing steps such as marking a margin of a prepared tooth surface for a restoration.

Abstract: Improved field-of-illumination (FOI) and field-of-view (FOV) matching for 3D time-of-flight cameras is provided using light emitters with rectangular reflectors. A better adjustment of the FOI with the camera's FOV has the following advantages: optimal use of emitted light and reduced multi-path problems. Furthermore, embodiments bring the benefit for rather low-cost customization of the illumination to match the FOI to the specified FOV.

Abstract: There is a problem that fluxes of light to pass through a peripheral region of the pupil do not reach a peripheral region of an image capturing element due to vignetting.

Abstract: An apparatus for correcting a stereoscopic image using matching information, includes: a matching information visualizer receiving input of original stereoscopic images and intuitive matching information and visualizing a pair of stereoscopic images based on the intuitive matching information; a correction information processor obtaining a statistical camera parameter based on the intuitive matching information and correcting the received stereoscopic image using the statistical camera parameter; and an error allowable controller providing allowable error information to the correction information processor in consideration of an error allowable degree according to a selected time from the received intuitive matching information and preset human factor guide information, to extract a correlation between stereoscopic images using a stereoscopic image and provided information, thereby helping such that an erroneously photographed image is correctly photographed or correcting the image such that the erroneously p

Abstract: Disclosed herein is an image pickup apparatus, including: an image pickup lens; a lens array disposed on an image formation plane of the image pickup lens; an image pickup device adapted to receive a light ray passing through the image pickup lens and the lens array to acquire picked up image data; and an image processing section adapted to carry out an image process for the picked up image data; the image processing section including a viewpoint image production section adapted to produce a plurality of viewpoint images based on the picked up image data, and an image synthesis processing section adapted to synthesize two or more viewpoint images from among the viewpoint images.

Abstract: Apparatus and method for eliminating noise in stereo image are disclosed, the method according to an exemplary embodiment of the present invention comprising, obtaining a first image captured by a first sensor unit and a second imaged captured by a second sensor unit; calculating a pixel difference of the second image relative to a first image based on a predetermined reference point; determining a pixel amount of the second image to be calibrated using a reference pixel difference and the pixel difference; and generating a driving signal for driving an Optical Image Stabilizer (OIS) actuator using the pixel amount to be calibrated.

Abstract: A stereoscopic imaging apparatus which uses contrast AF to obviate disadvantages of phase-difference AF, shorten processing time of contrast AF, and improve focusing accuracy. A phase-difference CCD in which object images having passed through different regions in a predetermined direction of a single photographing optical system are pupil-split and imaged subjects the object images having passed through the respective regions to photoelectric conversion to obtain a main pixel image and a sub-pixel image which have a mutual phase difference. Contrast AF is performed using only one of the main pixel image and the sub-pixel image. Which one of the main pixel image and the sub-pixel image will be used for the contrast AF is determined depending on whether the position of an AF area in the angle of view belongs to a main pixel AF area or a sub-pixel AF area.

Abstract: There is provided a demultiplexer that receives video data for one of a three-dimensional display and a two-dimensional display. There is also provided an HDMI transmission portion that transmits the video data and display information that pertains to one of the three-dimensional display and the two-dimensional display of the video data to a television receiver through TMDS channels #0, #1, and #2 of an HDMI cable. There is also provided a transmission/receiving portion that transmits the display information to the television receiver through a CEC line of the HDMI cable.

Abstract: In one embodiment, an apparatus comprises an optical system with multiple detectors and a processor. The optical system is configured to produce images of an optical source in a first dimension and a second dimension substantially orthogonal to the first dimension at each detector at a given time. Each image from the images is based on an interference of an emission from the optical source in a first direction and an emission from the optical source in a second direction different from the first direction. The processor is configured to calculate a position in a third dimension based on the images. The third dimension is substantially orthogonal to the first dimension and the second dimension.

Abstract: This invention is to provide an image processing apparatus, an image processing method, a program, and a display in which both of a secret image and a public image can be efficiently displayed with high picture quality without reducing contrast of the public image. One of output images is a secret image which displays an input secret image as one of input images in a partial area of a screen, all the output images including the secret image have a relationship to become, when a luminance value of each pixel thereof is totaled, an input public image as one of the input images; and during a period in which at least the secret image is being outputted, shutter glasses disposed between a display to which the image signals are inputted and user's eyes are set to a light transmission state.

Abstract: A camera or camcorder with a multi-view three dimensional (3D) attachment enables acquisition of 3D images and video which are then able to be displayed to a user without the need for specialized glasses. The multi-view 3D attachment captures at least 3 views of the same image from different angles simultaneously on a sensor.

Abstract: In a pantoscopic camera, right and left images, which overlap with each other, are captured from a subject. Overlap areas are detected from these images, and a composite image is produced from either of the overlap areas and non-overlap areas of the respective images. So long as a shutter button is not operated, the right and left images are successively captured to display the composite image as a moving through-image on an LCD. When the shutter button is pressed halfway, the LCD is switched from the composite image to an overlap area image that corresponds to the overlap area. On the basis of the detected overlap areas, 3D information on the subject may be obtained, or a stereoscopic image may be displayed.

Abstract: An image reproducing apparatus for reproducing a stereoscopic image shot by a stereoscopic image capturing apparatus, the image reproducing apparatus comprises: an input unit which inputs image data of the stereoscopic image and additional data recorded in association with the image data; an acquisition unit which acquires depth information indicating a depth of a point of interest in the stereoscopic image set, during shooting, on the basis of the additional data; a generation unit which generates images to be superimposed on right and left images of the stereoscopic image, the images to be superimposed having parallax corresponding to the depth indicated by the depth information, on the basis of the depth information; and a display output unit which combines the right and left images of the stereoscopic image with the images to be superimposed, and outputs the combined right and left images of the stereoscopic image to a display apparatus.

Abstract: A visualization technique for a vehicle and a vehicle driver combines a forward facing video camera and a forward facing time of flight camera. The outputs of the camera are combined to provide the vehicle driver with an augmented reality display, whereby topographical features can be identified in relation to the vehicle even if out of line of sight of the driver.

Abstract: An imaging device, comprising: a single imaging optical system; an imaging unit; a diaphragm unit; a diaphragm control unit; an imaging control unit; a parallax information calculation unit configured to calculate parallax information based on the pair of viewpoint images outputted from the imaging unit at the first point or points of time; a plane image generation unit configured to generate a plane image based on the pair of viewpoint images outputted from the imaging unit at the second point of time; and a blurring processing unit configured to determine target pixels in the plane image which are to be subjected to blurring processing, based on the parallax information calculated by the parallax information calculation unit, and to perform blurring processing on the determined target pixels in the plane image.

Abstract: An electronic device (100) includes a depth sensor (120), a first imaging camera (114, 116), and a controller (802). The depth sensor (120) includes a modulated light projector (119) to project a modulated light pattern (500). The first imaging camera (114, 116) is to capture at least a reflection of the modulated light pattern (500). The controller (802) is to selectively modify (1004) at least one of a frequency, an intensity, and a duration of projections of the modulated light pattern by the modulated light projector responsive to at least one trigger event (1002). The trigger event can include, for example, a change (1092) in ambient light incident on the electronic device, detection (1094) of motion of the electronic device, or a determination (1096) that the electronic device has encountered a previously-unencountered environment.

Abstract: A system and method for optical measurement, the system comprising a camera having a lens unit and an image sensor, the image sensor configured to generate image data based on light received onto the sensor; a prism device to receive light from two different angles and to relay the light through the lens unit onto respective two portions of the image sensor; and a processor to receive image data from the two portions of the image sensor; identify key points of the image data from the two portions; create a three-dimensional model of an object based on the image data from the two portions; and calculate based on the key points parameters of the object.

Abstract: A mirror assembly adapted for use in a panoramic imaging system for capturing a panoramic image includes a mirror for optically coupling to a fisheye lens having a first field of view, the mirror configured for reflecting an image of a second field of view through the fisheye lens. A housing has a first end and a second end, the mirror being secured proximate to the first end, and the second end having an engagement portion for securing the mirror assembly to the panoramic imaging system. When the mirror assembly is secured to the panoramic imaging system, the mirror is optically coupled to the fisheye lens and a detector for capturing a first portion of the panoramic image and a second portion of the panoramic image, the first portion of the panoramic image having a portion overlapping the second portion of the panoramic image.

Abstract: A distance determining section increases a convergence point distance by a distance proportionate to an operation of an up key. The distance determining section reduces the convergence point distance by a distance proportionate to an operation of a down key. A target convergence point distance is incremented by 1 m per pressing operation of the up key. The target convergence point distance is decremented by 1 m per pressing operation of the down key. A shift amount setting section converts the target convergence point distance into a shift amount that corresponds to the target convergence point distance. The shift amount is set to an image shifting section. The image shifting section shifts each cut out region by the shift amount from a reference position and cuts out viewpoint images with the cut out regions from original left and right viewpoint images. Thus, the parallax-adjusted viewpoint images are produced.

Abstract: A method and an apparatus for generating an image with shallow depth of field, suitable for a three-dimensional imaging system having a left lens and a right lens, are provided. First, the left lens and the right lens are used to capture a left-eye image and a right-eye image. Next, a disparity between each of a plurality of corresponding pixels in the left and right-eye images is calculated. Then, the depth information of each pixel is estimated according to a focus of the left and right lens, a lens pitch between the left lens and the right lens, and the calculated disparity of each pixel. Finally, the pixels in the left-eye image and the right-eye image are blurred according to the focus of the left lens and the right lens and the estimated depth information of each pixel, so as to obtain the image with shallow depth of field.

Abstract: A plurality of viewpoint images are acquired and images for three-dimensional image display are generated without causing a reduction in polarization performance. Provided are: a first polarization means which has a first polarization region and a second polarization region that each allows different polarized light to be transmitted therethrough; a second polarization means which is made up of a third polarization region that allows only the transmitted light of either one of the first polarization region or the second polarization region to be transmitted therethrough, and a total transmission region that allows the transmitted light of the first polarization region and the second polarization region to be transmitted therethrough; an imaging element into which the transmitted light of the second polarization means is input; and an image processing unit which executes signal processing for an output signal of the imaging element.

Abstract: Provided is an imaging device which can accurately obtain two captured image signals having a phase difference therebetween. An imaging device includes a plurality of pixels including two types of pixels, such as a first pixel that receives one of a pair of light beams which pass through different pupil regions of an imaging optical system and a second pixel that receives the other of the pair of light beams. The plurality of pixels are arranged in a square lattice shape. A light receiving region of the first pixel deviates from the center of the first pixel to the right side. A light receiving region of the second pixel deviates from the center of the second pixel to the left side.

Abstract: An image display apparatus, includes: a stereoscopic image obtaining unit which obtains a plurality of images having different points of view; a display unit which displays the plurality of images; a photographic subject selecting unit which selects a specific photographic subject in any one of the plurality of images; and a display controller which displays a line where a parallax amount of a first viewpoint image and a second viewpoint image among the plurality of images is zero and an anteroposterior relationship of the line where the parallax amount is zero and a position of the specific photographic subject in an optical axis direction in photographing a stereoscopic image in a partial display region of the display unit as a pseudo overhead view of the photographic subject which is seen from an upper side with respect to the optical axis in photographing the stereoscopic image.

Abstract: Disclosed herein is an apparatus and method for reconstructing 3D information. The present invention calculates a normalized cross correlation value using luminance information included in two or more stereo images, calculates a normalized edge correlation value using local edge information, and extracts disparity surface information from a composite disparity image generated based on two types of matching costs.

Abstract: An image sensor includes: a plurality of pixels arranged and formed in a two-dimensional array so that adjacent ones of the pixels constitute paired pixels and entrance pupils of a first pixel and a second pixel constituting the paired pixels are provided eccentrically in opposite directions to each other with respect to centers of the respective pixels; an incident angle of light from a subject in the first pixel is an incident angle ?cA as defined herein; the incident angle in the second pixel is an incident angle ??cB as defined herein; and light sensitivity characteristics of the first pixel and the second pixel with respect to the incident angles of the first pixel and the second pixel are flat characteristics within an incident angle range of the ?cA to the ??cB.

Abstract: A photographing apparatus and method are provided. The photographing device includes: a main lens configured to transmit light beams reflected from a subject; a microlens array which includes a plurality of microlenses configured to filter and transmit the reflected light beams as different colors; an image sensor configured to sense the light beams that are transmitted by the plurality of microlenses; a data processor configured to collect pixels of positions corresponding to one another from a plurality of original images sensed by the image sensor to generate a plurality of sub images; a storage device configured to store the plurality of sub images; and a controller configured to detect pixels matching one another in the plurality of sub images stored in the storage device and to acquire color information and depth information of an image of the subject. Therefore, color information and depth information are restored without reducing resolution.

Abstract: Various approaches to imaging involve selecting directional and spatial resolution. According to an example embodiment, images are computed using an imaging arrangement to facilitate selective directional and spatial aspects of the detection and processing of light data. Light passed through a main lens is directed to photosensors via a plurality of microlenses. The separation between the microlenses and photosensors is set to facilitate directional and/or spatial resolution in recorded light data, and facilitating refocusing power and/or image resolution in images computed from the recorded light data. In one implementation, the separation is varied between zero and one focal length of the microlenses to respectively facilitate spatial and directional resolution (with increasing directional resolution, hence refocusing power, as the separation approaches one focal length).

Abstract: A 3D image generating device is provided and includes: a lenticular plate storage chamber for storing a plurality of lenticular plates; a picture-taking device for taking a picture of an object to generate an object image; an image processing unit for capturing and processing the object image of the object to generate a front-view object image and combining the front-view object image with a rear-view image to generate a synthetic 3D image; a lenticular plate conveying unit for moving the lenticular plates inside the lenticular plate storage chamber to a printing device; a memory unit for storing at least one rear-view image; the printing device for printing the synthetic 3D image on a flat surface of the lenticular plate; and a controlling unit for controlling operation of the picture-taking device, the image processing unit, the memory unit, the printing device, and the lenticular plate conveying unit.

Abstract: An image capture device includes a lens that receives light. Further, the image capture device includes an optical beam splitter that receives the light from the lens. In addition, the image capture device includes an image sensor that receives a first portion of the light from the optical beam splitter. The image capture device also includes a plenoptic lens that receives a second portion of the light from the optical beam splitter.

Abstract: An image processing method includes: acquiring a first image and second image with a parallax, calculating a parallax indicating a shift amount of a corresponding pixel of the second image with respect to each pixel of the first image, deciding an image processing coefficient to perform edge emphasis or edge correction based on the parallax with respect to every image processing target pixel of the first image and the second image, and performing image processing on the first image and the second image using the image processing coefficient.

Abstract: An image pickup apparatus includes: an image pickup unit; a first connection unit that allows a stereoscopic shooting interchangeable lens and an ordinary shooting interchangeable lens to be selectively attached thereto so that an image of a subject can be formed on the image pickup unit; a second connection unit that allows a finder including two display units corresponding to a right eye and a left eye, the finder being capable of displaying a plurality of images, and a finder including a single display unit, the finder being capable of displaying a single image, to be selectively attached thereto; and a display control unit that controls display of an image picked up by the image pickup unit on the finder, based on at least one of information on the interchangeable lens connected to the first connection unit and information on the finder connected to the second connection unit.

Abstract: In the stereoscopic imaging device including a single imaging optical system, lens information (focal length, F-stop range) is acquired (step S18), and a parallax priority program diagram (F-stop is fixed) which uses a lens F-stop and a focal length within a range capable of obtaining a minimum parallax amount or more is set (step S20). In a first mode, exposure conditions including the F-stop capable of carrying out the stereoscopic imaging with a parallax amount equal to more than the minimum parallax amount is calculated using the set parallax priority program diagram to set exposure during main imaging (steps S26 and S28). In a second mode, it is determined whether or not the focal length and the F-stop which are set by a user are within a range equal to or more than the minimum parallax amount, and a user is notified of the determination result (steps S38 to S42).

Abstract: Optical systems utilize waveplates to simultaneously encode information for increasing image depth of field and for providing a depth map of the imaged object or sample. These waveplates are configured to result in a focus-invariant point spread function in one focal region, and to result in point spread functions that vary as a function of range within the imaged object in a different focal region. For example, a basic compound microscope might have a specially shaped waveplate inserted at the back aperture plane of the microscope objective to manipulate the phase of the wavefront. An image formed on one side of the plane of best focus is focus invariant, and is brought into focus by a restoring algorithm. An image formed on the other side of the plane of best focus captures point spread functions comprising rings that vary with depth within the imaged object.

Abstract: An apparatus and method for computing a three dimensional model of a surface of an object are disclosed. At least one directional energy source (106-109) directionally illuminates the object (101). An imaging assembly (104), having at least two spatially separated viewpoints (111,112) at fixed positions relative to each other, records a series of images of the object at each viewpoint when the object is illuminated by the source. At least one localisation template (102,103) having predetermined geometrical features is visible to at least one of the viewpoints simultaneously with the object. The images recorded at the viewpoints are analysed so as to determine the location and pose of each viewpoint relative to the template for each image in the series of images. Photometric data for the object is generated using the calculated location and pose of the viewpoints and the image data.

Abstract: A catadioptric camera having a perspective camera and multiple curved mirrors, images the multiple curved mirrors and uses the epsilon constraint to establish a vertical parallax between points in one mirror and their corresponding reflection in another. An ASIFT transform is applied to all the mirror images to establish a collection of corresponding feature points, and edge detection is applied on mirror images to identify edge pixels. A first edge pixel in a first imaged mirror is selected, its nearest feature points are identified, and a rigid transform is applied to them. The rigid transform is fitted to corresponding feature points in a second imaged mirror. The closest edge pixel to the expected location as determined by the fitted rigid transform is identified, and its distance to the vertical parallax is determined. If the distance is not greater than predefined maximum, then it is deemed correlate to the edge pixel in the first imaged mirror.

Abstract: In an imaging apparatus according to an aspect of the present invention, the light-shielding member performing light shielding so that the light beam passing through the second region does not enter the first light-receiving element is provided only to the first light-receiving element. That is, no light-shielding member is provided to the second light-receiving element. Therefore, the number and types of light-shielding members can be reduced, and pupil division can be performed with a simple structure. Also, various products can be easily supported.

Abstract: A stereoscopic image capture device comprising: a single imaging optical system; an imaging element that forms pupil-divided object images; a diaphragm that restricts a light flux that enters into the imaging element; and a diaphragm control device, wherein, when focal lengths before and after adjusting the focal length of the imaging optical system are assumed to be f1 and f2 and the F value of the diaphragm before adjusting the focal length of the imaging optical system is assumed to be FNo1, the diaphragm control device performs control such that an F value of FNo2 after adjusting the focal length of the imaging optical system becomes an F value that can be set according to a following equation: FNo ? ? 2 = FNo ? ? 1 * ( f ? ? 2 f ? ? 1 ) 2 .

Abstract: Provided is an imaging apparatus that includes a plurality of imaging elements having a plurality of PDs, where each of the plurality of PDs photoelectrically converts a light flux having passed through a different region of an exit pupil of an imaging optical system and output a left-eye image/right-eye image. The imaging apparatus generates a composite image based on the left-eye image and the right-eye image, calculates a positional shift amount of the left-eye image relative to a position of the composite image as a parallax amount, and stores information regarding the parallax amount as a parallax map. The imaging apparatus generates a left-eye image and a right-eye image to be reproduced by shifting an object included in the composite image to a position corresponding to the parallax amount indicated by the parallax map.

Abstract: One embodiment may take the form of a method for providing security for access to a goal including storing a first image and receiving a second image comprising polarized data. The method also includes comparing the first image with the second image to determine if the first image and the second image are substantially the same. In the event the first and second images are not substantially the same, the method includes denying access to the goal. In the event the first and second images are substantially the same, the method includes determining, utilizing the polarized information, if the second image is of a three-dimensional object. Further, in the event the second image is not of a three-dimensional object, the method includes denying access to the goal and, in the event the second image is of a three-dimensional object, permitting access to the goal.

Abstract: A method and an apparatus for improving three dimensional (3D) effect of a 3D image collected by a 3D photographing apparatus, and reducing visual fatigue, are provided. A feature point of a left-eye image entering through a left-eye lens and of a right-eye image entering through a right-eye lens is acquired, a disparity between the left- and right-eye images is detected, a distance between the left- and right-eye lenses is controlled so that the disparity between the left- and right-eye images becomes a previously-set reference disparity, and at least one of the left- and right-eye images is shifted so that a convergence point is placed on an object located within the left- and right-eye images.

Abstract: A projection system includes a control module, a first image capture module, a second image capture module, an image processing module and a projection module. The first and second image capture modules are connected to the control module and include first and second sensor elements and first and second lenses, respectively. The image processing module is connected with the control module, the first image capture module and the second image capture module for transforming the image into a three-dimensional image signal. The projection module is connected with the control module for projecting. The first sensor element and the second sensor element are selectively controlled by the control module to capture images through the first lens and the second lens, respectively. The three-dimensional image signal transformed by the image processing module is processed and converted by the control module, and further projected by the projection module.

Abstract: An imaging device includes: an image acquisition unit configured to receive light fluxes passing through different regions in a single imaging optical system and acquire two images; a ghost detection unit configured to detect a ghost from the two acquired images; a first determination unit configured to determine whether the ghost is detected from any of the two acquired images; and a control unit configured to perform at least one of an automatic focus control, an automatic exposure control and an automatic white balance control based on an image for which it is not determined that the ghost is caused out of the two images in a case where the first determination unit determines that the ghost is detected from any of the two images.

Abstract: An embodiment of the present invention may include an apparatus that captures 3D images having a lens barrel. The lens barrel may include a lens disposed at the first end of the lens barrel, an image capture element at the second end of the lens barrel, and a pair of refracting lenses positioned along the optical axis of the lens barrel. The first and second refracting lenses may be mounted to a first set and second set of positioning elements. The image capture element may capture images continuously at a predetermined frame rate, and the first and second set of positioning elements may continuously change the position of the first and second refracting lenses among a series of predetermined correlated positions based on the predetermined frame rate.

Abstract: A camera for determining distances to a scene, the camera comprising: a light source comprising a VCSEL controllable to illuminate the scene with a train of pulses of light having a characteristic spectrum; a photosurface; optics for imaging light reflected from the light pulses by the scene on the photosurface; and a shutter operable to gate the photosurface selectively on and off for light in the spectrum.

Abstract: A 3D stereo image of a scene is generated by generating first image data of the scene using light field data representing light rays from a first direction, and second image data of the scene using light field data representing light rays from a second direction. The 3D stereo image of the scene is then generated using the first image data and the second image data. A microlens array may be used to direct light rays onto a photosensor array, wherein each microlens of the microlens array includes a physical aperture which correlates to a plurality of associated photosensors, a first virtual aperture which correlates to a first subset of the associated photosensors, and a second virtual aperture which correlates to a second subset of the associated photosensors. Each virtual aperture thus provides light rays from a different direction for use in generating the 3D stereo image.

Abstract: An imaging apparatus includes a first light-shielding member formed in a predetermined optical member included in a photographing optical system, the first light-shielding member dividing a pupil region of the photographing optical system into a first region and a second region and a second light-shielding member letting only a light beam passing through the first region enter a first light-receiving element and letting only a light beam passing through the second region enter a second light-receiving element other than the first light-receiving element.

Abstract: A stereoscopic imaging optical system having a function to adjust a stereo base, an imaging device that includes the stereoscopic imaging optical system, and a camera that includes the imaging device, are provided. The stereoscopic imaging optical system includes two imaging lens systems arranged in parallel, and two diaphragms arranged in the imaging lens systems, respectively. At least one of the diaphragms is decentered with respect to an optical axis to adjust the stereo base. Further, a condition (1.8?SBmax/(fT×tan(?T))?45, where SBmax is a maximum value of the stereo base, fT is a focal length of the optical system at a telephoto limit, and ?T is a half view angle (°) at the telephoto limit) is satisfied.