Abstract: An image pickup apparatus, including: an image pickup element configured to photoelectrically convert an object image; a signal acquisition unit configured to acquire a first signal obtained from a light flux that has passed through a first pupil partial region, a second signal obtained from a light flux that has passed through a second pupil partial region, and a third signal obtained from one of a light flux that has passed through a region that includes the first pupil partial region and is wider than the first pupil partial region, and a light flux that has passed through a region that includes the second pupil partial region and is wider than the second pupil partial region; and a defocus state detection unit configured to detect a defocus state based on at least one of the first signal and the second signal, and the third signal.

Abstract: A focusing control device includes: an evaluation value calculation unit that causes an imaging element which images a subject through a focus lens to image the subject for each of positions of the focus lens while moving the focus lens movable in an optical axis direction, and calculates evaluation values for determining a focusing position of the focus lens based on signals acquired by performing any filtering process selected among a plurality of filtering processes in which passbands are different on captured image signals acquired through the imaging; a focusing position determination unit as defined herein; and a focusing control unit that performs focusing control to move the focus lens to the focusing position, and the focusing position determination unit increases number of the selected evaluation values as a lower frequency limit of the passband becomes lower, as the filtering process selected by the evaluation value calculation unit.

Abstract: In an imaging device that includes an imaging lens including n number of optical systems of which imaging characteristics are different and an image sensor including m number of light receiving sensors of which combinations of crosstalk ratio and light sensitivity are different in each pixel, m number of primary image data items are generated by obtaining image signals output from the light receiving sensors of each pixel of the image sensor, and n number of secondary image data items corresponding to the optical systems are generated by performing crosstalk removal processing on the m number of generated primary image data items for each pixel. In a case where a pixel as a processing target includes the primary image data of which a pixel value is saturated, the secondary image data items are generated by removing the corresponding primary image data and performing the crosstalk removal processing.

Abstract: Aspects of the present disclosure relate to systems and methods for generating a depth map. An example device may include one or more processors and a memory. The memory may include instructions that, when executed by the one or more processors, cause the device to receive a first intensity measurement for each of a plurality of focal regions for a camera at a first focal length, determine, from the first intensity measurements, a first focus value for each of the plurality of focal regions, generate a depth map of an indication of focal lengths for the plurality of focal regions based on the first focus values for the plurality of focal regions, and use the depth map in determining when to perform or in performing an autofocus operation for the camera.

Abstract: Some embodiments include a method for measuring the position of a camera lens carrier moveable by an autofocus actuator. In some embodiments, the method includes generating a measurement of a magnetic field resulting at least in part from the one or more position sensor magnets. In some embodiments, the generating the measurement of the magnetic field includes measuring a magnetic field component created at least in part by the one or more position sensor magnets fixedly mounted to the camera lens carrier. In some embodiments, the camera lens carrier is moveably coupled to a substrate by the autofocus actuator to provide motion in a direction orthogonal to the substrate. In some embodiments, the generating the measurement of the magnetic field component includes measuring the magnetic field component at a sensor fixedly mounted to the substrate of the autofocus actuator.

Abstract: An imaging system includes a sensor comprising a pixel. The pixel comprises first and second photodiodes sharing a common microlens configured to converge light onto a first area of the first photodiode and a second area of the second photodiode. An effective optical center of the first area is offset from a centroid of the first photodiode. An effective optical center of the second area is offset from a centroid of the second photodiode. A processor is configured to: receive a first luminance value from the first photodiode; receive a second luminance value from the second photodiode; and resample a plurality of luminance values including the first second luminance values to provide a luminance of a first resampled pixel having an optical center at a centroid of the first photodiode and a luminance of a second resampled pixel having an optical center at a centroid of the second photodiode.

Abstract: Provided are an optical lens assembly and a method of forming an image. The optical lens assembly includes: a first lens having a convex object-side surface; a second lens having a convex object-side surface; at least one lens at an image side of the second lens; a first stop being a variable stop at an object side of the first lens; and a second stop at an image side of the first lens, wherein the second stop determines a minimum F number, and the first stop is variable to determine an F number greater than the minimum F number.

Abstract: A distance detection device is provided, including a calculating unit that calculates a distance to a detection target using a length of time until floodlighted light is received by a light-receiving unit; a first detecting unit that detects whether detection target changing operation is being performed; a second detecting unit that detects variation in the distance calculated by the calculating unit; a shake correcting optical system that is driven based on a shake detection result and through which the floodlighted light passes; and a control unit that controls driving of the shake correcting optical system using an output from the first detecting unit and an output from the second detecting unit.

Abstract: A control apparatus includes an acquirer (204a) which acquires a first signal and a second signal that correspond to light beams passing through different pupil regions of an image capturing optical system, a calculator (204b) which performs a plurality of filtering processes with different bands for the first signal and the second signal to calculate a plurality of defocus amounts and reliabilities based on the first signals and the second signals where the respective filtering processes have been performed, and a determiner (209) which determines a defocus amount used for focusing from among the plurality of defocus amounts based on a difference between the plurality of defocus amounts and at least one of the plurality of reliabilities.

Abstract: Apparatuses and methods for point source image blur mitigation are provided. An example method may include receiving, from an imaging detector, a plurality of pixel signals associated with respective pixels of an image over a stare time, and determining a trajectory of a point source within the image due to relative angular motion of the point source across a plurality of pixels of the image. The example method may further include determining a subset of pixels that intersect with the trajectory, and determining an estimated location of the point source within the image at an end of the stare time based on the pixel signals for each of the pixels within the subset of pixels.

Abstract: Technologies for execution trace with automatic event triggering include a computing device that includes an execution trace hub. The trace hub observes execution trace packets and determines whether the execution trace packets match one or more event trigger rules. If an execution packet matches an event trigger rule, the trace hub invokes an event callback. The event callback may be a predefined hardware function of the computing device or a software function. The trace hub may be configured with event trigger rules and associated event callbacks, for example by writing to one or more corresponding configuration space registers. In response to invoking the event callback, the computing device may, for example, output state information of the computing device to a data storage device, halt execution, activate a debug mode of the processor, or execute a software recovery function. Other embodiments are described and claimed.

Abstract: An infrared imaging device includes an imaging element including a plurality of infrared detection pixels which are two-dimensionally arranged, a diaphragm, and a FPN calculation unit which acquires a first captured image data obtained by capturing an image using the imaging element in a state in which an F-number of the diaphragm is set to a first value and a second captured image data obtained by capturing an image using the imaging element in a state in which the F-number is set to a second value while a motion picture is being captured, and calculates fixed pattern noise included in captured image data obtained by capturing an image using the imaging element based on the acquired first captured image data, the acquired second captured image data, the first value, and the second value.

Abstract: An image capturing apparatus (1) includes a focus detector (21) that performs focus detection based on a plurality of parallax image signals obtained via a second image capturer (110) with an angle of field that is wider than an angle of field of a first image capturer (100), and a controller (30, 41) that performs focus control of the first image capturer (100) based on an output signal from the focus detector (21).

Abstract: An image pickup apparatus includes an image pickup unit configured to capture a plurality of images having different focus positions, and a depth of field control unit configured to control a depth of field when the image pickup unit captures an image, wherein, if it is determined that a plurality of subject areas satisfies a predetermined condition based on a distance for each subject area, a depth of field when the image pickup unit captures one of the plurality of images is increased, in comparison with a case where the predetermined condition is not satisfied. The predetermined condition includes a difference of any two in the plurality of subject areas being at a distance greater than a predetermine distance.

Abstract: A projection lens includes a plurality of lens groups each formed of at least one lens, and a lens barrel adapted to support each of the lens groups from an outer circumferential side. The lens barrel includes a first temporarily holding mechanism allowing the first lens group located at an end on a enlargement side to be displaced in a direction perpendicular to the optical axis, a first adhesive applied to the first temporarily holding mechanism to fix the first lens group so as to be unable to be displaced, a second temporarily holding mechanism allowing the seventh lens group located at an end on a reduction side to be displaced in a direction perpendicular to the optical axis, and a second adhesive applied to the second temporarily holding mechanism to fix the seventh lens group so as to be unable to be displaced.

Abstract: A system and method for focusing a camera is disclosed. The system may generate a proxy image that is blurred to an extent that is correlated to a degree to which a camera is out of focus. A user may be asked to adjust a focusing mechanism to attempt to bring the proxy image into focus. This allows the camera to be focused without the user needing to see an image from the camera. This can be used, for example, to focus an infrared camera. The infrared camera could be a tracking camera in a device such as a head mounted display device.

Abstract: A depth measuring apparatus includes (1) a camera and lens assembly that captures image data for a sequence of images of a target including a plurality of depth levels; (2) a motion stage on which the camera and lens assembly or the target is positioned; (3) a motor connected to the motion stage that causes relative movement between the camera and lens assembly and the target at defined incremental values; (4) a position sensor that captures position data on the camera and lens assembly or the target at each of the defined incremental values; and (5) a controller that processes the captured image data and captured position data using an image gradient method and optimal focal distance to determine depths of the plurality of depth levels. Numerous other aspects are provided.

Abstract: An image stabilization apparatus includes: a driving control unit that drives an image stabilization unit to optically correct image blur of an object image caused by a shake of an apparatus, the image stabilization unit moving the object image on a screen of an image sensor; and a focus control unit that performs control to drive a focusing lens in coordination with an operation of the image stabilization unit, the focusing lens being used to perform focus adjustment in an imaging optical system.

Abstract: An apparatus includes: an imaging lens module, used to image at least one object, and including a plurality of subregions having adjustable imaging parameters; a position sensing module, used to obtain position information of at least one object relative to an imaging apparatus; an information processing module, used to determine an imaging parameter of a corresponding subregion of the imaging lens module according to the position information of at least one object relative to the imaging apparatus; and a lens adjustment module, used to adjust the imaging parameter of the corresponding subregion of the imaging lens module according to the determined imaging parameter. The apparatus can adjust an imaging parameter for regions corresponding to a plurality of target objects at different distances in a visual field, and enable a user to watch objects at different distances in a visual field comfortably, thereby improving user experience.

Abstract: The present disclosure provides approaches to simulating depth of field. In some implementations, an optimal scan distance of a camera from a subject in a physical environment is determined for a scan of the subject by the camera. A blur level is iteratively updated to correspond to a proximity of the camera to the determined optimal scan distance as the proximity changes during the scan. For each update to the blur level from the iteratively updating, an image comprising a three-dimensional (3D) model of the physical environment depicted at the updated blur level is generated on a user device associated with the scan.

Abstract: An image capturing apparatus includes an acquirer configured to acquire a first signal and a second signal from different pupil areas in an image capturing optical system, a calculator configured to calculate a first defocus amount based on the first signal and the second signal in a first frequency band after each filter process by a plurality of filter processes, and to calculate a second defocus amount and a second reliability based on the first signal and the second signal in a second frequency band higher than the first frequency band, and a controller configured to select a defocus amount used for focusing among a plurality of defocus amounts based on the second reliability. The controller selects the second defocus amount as a defocus amount used for the focusing when the second reliability is equal to or higher than a first reference reliability.

Abstract: An imaging device includes an imaging lens; an imaging element which contains object imaging pixels and focal point detection pixels; and a lens array configured by micro lenses being arranged on a two-dimensional plane, and arranged on a front surface of an imaging surface of the imaging element to be distanced therefrom.

Abstract: An imaging apparatus includes an imaging unit and a control unit. The imaging unit accumulates electric charges synchronously with an imaging control signal to generate an imaging signal. The control unit has a first communication mode and a second communication mode. The first communication mode communicates to acquire data of a lens unit and to send an instruction to the lens unit synchronously with the imaging control signal. The second communication mode communicates to acquire data of the lens unit and to send the instruction to the lens unit at any timing asynchronous with the imaging control signal. The control unit performs focus adjustment on the basis of the data received from the lens unit and the imaging signal. The control unit switches between the first communication mode and the second communication mode in response to a state of the focus adjustment.

Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.

Abstract: A transmission mechanism includes an adaptor configured to be connected to a power device, an output member engaged with the adaptor through a relative movement along an axial direction of the output member and configured to output a power of the power device transmitted by the adaptor to the output member, and a locking member rotatably provided on the output member and passing through the output member along the axial direction of the output member. The locking member includes an operating portion configured to connect the locking member with the adaptor to limit the relative movement along the axial direction or disconnect the locking member from the adaptor. The adaptor is configured to drive the output member to rotate coaxially with the adaptor to output the power. A relative rotation between the adaptor and the output member is limited by an engagement between the adaptor and the output member.

Abstract: A VCM is disclosed, the motor including a stator including a first driving unit, a rotor arranged inside the stator, including a second driving unit responding to the first driving unit and mounted therein with a lens, a base fixing the stator, and an elastic member coupled to the rotor to float the rotor from the base in a case a driving signal for driving the first and second driving units is not applied to the first and second driving units.

Abstract: An apparatus for non-contact examination of an eye comprises for illuminating and imaging the eye: an apparatus objective of a positive optical power and a positive spherical aberration which illuminates and images an angle wider than a cross section of the zone I of the retinal vasculature, the apparatus objective being common to the imaging and the illumination the optical paths of which are deviated from each other in the examination apparatus; and a secondary lens unit, which is located behind the apparatus objective in the optical path in a direction of the imaging, modifies at least one of the following optical features: lateral color aberration, astigmatism, field curvature and coma caused by the apparatus objective, and focuses the imaging radiation modified by the secondary lens unit on an image sensor for forming an image of a retina of the eye.

Abstract: According to an embodiment, an arithmetic method includes accepting an input of image data, detecting a representative position of a characteristic portion from the image data the input of which has been accepted, acquiring a user instructed position in the image data, calculating a position difference indicating a difference between the detected representative position and the acquired user instructed position, and selecting the representative position of the characteristic portion as a target portion if the calculated position difference is smaller than a predetermined first threshold and selecting the user instructed position as a target portion if the position difference is not smaller than the first threshold.

Abstract: An electronic device is described. The electronic device includes an image sensor that is configured to capture phase detection data for automatic focusing. The electronic device also includes an automatic focusing module that is configured to dynamically enable or disable transmission of the phase detection data from the image sensor. The automatic focusing module may be configured to enable transmission of the phase detection data from the image sensor in response to detecting a scene change.

Abstract: A device having: an optical system configured to be controlled to adjust a focal position so as to focus in an adjustment range; a switch configured to be switched between a first state and a second state; and a processor comprising hardware, wherein the processor is configured to implement: a focal position adjustment range setting unit configured to set: the adjustment range to a whole region in the first state; and the adjustment range to a part of the whole region in the second state, wherein the part of the whole region as a predetermined range is determined from a focal position of an object point conjugate with an imaging surface at the time the first switch is switched to the second state; and a controller configured to control the optical system to adjust the focal position based on the set adjustment range.

Abstract: An imaging device for evaluating focusing of light by one or more optical elements on an imaging sensor, the imaging device having one or more processors configured to compare a first value of a characteristic of a first signal from a first photoelectric conversion structure of the imaging sensor having a first light-receiving surface area and a second value of the characteristic of a second signal from a second photoelectric conversion structure of the imaging sensor having a second light-receiving surface area smaller than the first light-receiving surface area, and to determine whether focusing is achieved by the one or more optical elements.

Abstract: Aspects of the present disclosure relate to systems and methods for hybrid depth map processing. An example device may include a first sensor having a plurality of focus pixels, the focus pixels configured to capture images from at least a first perspective and a second perspective, where a difference between the first and second perspectives is associated with a first direction. The device may further include a second image sensor separated from the first image sensor in a second direction orthogonal to the first direction. The device may be configured to receive a first image from the first image sensor, where the first image includes first image data captured from the first perspective, and second image data captured from the second perspective. The device may be further configured to receive a second image from the second image sensor, and to generate a hybrid depth map based at least in part on the first image and the second image.

Abstract: An image capturing apparatus and a method of operating the same are provided. The image capturing apparatus includes: an imaging device configured to obtain, based on a previously set exposure condition, an imaging signal that corresponds to at least one frame; a flicker information determining circuitry configured to determine flicker information of a light source using the imaging signal that corresponds to the at least one frame; and a controller configured to control, based on the flicker information of the light source, an exposure start time of the imaging device in order to take into account flicker occurrence due to the light source.

Abstract: An extreme value detection section performs a scan operation to detect and store an extreme value of a contrast and a direction of change in the contrast while performing scan driving of a focus lens, based on a direction indicated by a defocus amount. A determination start position calculation section calculates a determination start position corresponding to a position of the focus lens where a determination whether the scan operation is stopped is started, as a position precedent to an in-focus position based on the defocus amount. A control section stops the scan operation if a maximum value is detected during the scan operation before the focus lens reaches the determination start position and it is determined that the contrast decreases as a latest change during the scan operation after the focus lens reaches the determination start position.

Abstract: A digital image processing, in particular to the method of producing the output image with extended depth of field from a group of source images of the same scene, captured with a shift of depth of field. The method of producing the output image with extended depth of field form a group of at least two source images of substantially the same scene captured with a shift of depth of field, comprises determining focus measures of source image pixels; generation of a depth map with elements comprising source image indices; smoothing of the depth map in a way that the degree of smoothing of source image indices it contains is inversely proportional to the corresponding focus measure values; producing an output image using the smoothed depth map. A computer system that implements said method, and a computer readable medium comprising program instructions allowing for implementing said method.

Abstract: An image processing device including an area dividing circuit configured to divide an image into a plurality of blocks, convert input data showing the image to data including color information, allocate data including the color information into each of the blocks, and output data of the block and image data allocated to each of the blocks, a focus area judgment circuit configured to divide data of the block into a first image area and a second image area, and output the divided area data, and an area dedicated color conversion RGB value calculation circuit configured to compare the image data and the area data, in the case where the image data is included in the first image area, calculate first color conversion data from an intensity coefficient, wherein the image data includes a first value, a second value and a third value.

Abstract: An exposure control apparatus prevents exposure from being influenced by false detection and instability of face detection and prevents exposure from being influenced by an object that has cut across in front of a subject. Detection results are obtained by detecting at least one specific region, which is predetermined in advance, in a taken image of the subject. When at least one specific region is detected, one of detection results is selected based on selecting conditions determined in advance to obtain a selected detection result. When it is judged that exposure is not being controlled using the selected detection result, whether or not the selected detection result has changed in a predetermined period is judged. When the selected detection result has not changed, a latest detection result is regarded as the selected detection result, and when the selected detection result has changed, the selected detection result is not changed.

Abstract: An image display apparatus includes an acquisition unit configured to acquire an image file that includes reconstructable image data that includes information corresponding to a light field, a display unit configured to display the image data included in the image file acquired by the acquisition unit as an image, and a control unit configured to control the display unit so as to display an image and perform display for informing a user that the image file corresponding to the image is a reconstructable image file.

Abstract: Herein disclosed is an imaging device having an imaging optical system, the device including: an imaging element configured to include a plurality of first pixels and a plurality of second pixels arranged along a predetermined direction; a first processor configured to execute focal detection processing by a phase difference detection system based on charge signals obtained from the plurality of second pixels; and a second processor configured to execute specific processing based on charge signals obtained from the plurality of first pixels, the specific processing being different from the focal detection processing by a phase difference detection system and being necessary for a function of the imaging device.

Abstract: A camera includes an optical system configured to record images based on light entering the optical system from an optical field of view, the optical system including a focusing unit configured to focus the optical system on a target in the optical field of view, a radar system configured to obtain distance and speed information of targets within a radar field of view that is overlapping with the optical field of view, the distance and speed information indicating the distance and speed of targets with respect to the camera, and a control unit configured to control the focusing unit to focus the optical system on a target based on a selected distance and/or a selected speed.

Abstract: Provided is a display control apparatus in which a movement amount of a selection candidate to be selected, from among a plurality of positions displayed in a display screen, according to a selection operation performed by a user, is selectable. The display control apparatus also displays an indicator that indicates a currently selected position. The display control apparatus, in the case of a first movement amount being set, displays a position of the selection candidate, so as to be distinguishable from other positions. Also, the apparatus, in the case of a second movement amount of the selection candidate being set, displays a position of a selection candidate so as to be distinguishable from other positions.

Abstract: There is provided a wearable device including an attachment unit, a motion sensor and a control unit. The attachment unit has a display and an imaging unit. The attachment unit is configured to be attachable to the user. The motion sensor is configured to be capable of detecting a spatial movement of the imaging unit. The control unit is configured to determine whether or not the imaging unit is in a predetermined resting state, based on an output of the motion sensor, and when the imaging unit is not in the predetermined resting state, limit a photographing operation of the imaging unit.

Abstract: An image capturing apparatus includes an image sensor, a frame configured to support the image sensor, and one or more driving members configured to move the frame in a direction parallel with an imaging plane of the image sensor. The driving members include a vibration unit that generates vibration. The vibration unit of at least one of the driving members overlaps a center of the imaging plane of the image sensor, when viewed in a direction orthogonal to the imaging plane of the image sensor.

Abstract: A zoom lens includes a first lens unit L1 having positive refractive power, a second lens unit L2 having negative refractive power, and a rear lens group LB including a plurality of lens units and having positive refractive power. The rear lens group LB includes a lens unit LF configured to move during focusing and having negative refractive power, a lens unit LN disposed on the image side of the lens unit LF and having negative refractive power, and a lens unit LP disposed on the image side of the lens unit LN and having the largest positive refractive power among the lens units having positive refractive power. The lens units LP and LN move to the object side in a predetermined locus during zooming from the wide-angle end to the telephoto end, and the lens units LP and LF satisfy a predetermined conditional expression.

Abstract: An imaging device includes: an imaging sensor; an optical system that changes an image magnification of a object image according to a position of a focus lens; and a controller that causes the imaging sensor to generate the plurality of pieces of image data by causing the imaging sensor to pick up the object image while moving the focus lens to generate still image data based on the plurality of pieces of image data.

Abstract: An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force. The fifth lens can have negative refractive force, wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point. The lenses in the optical image capturing system which have refractive power include the first to the fifth lenses. The optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.

Abstract: An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force. The fifth lens can have negative refractive force, wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point. The lenses in the optical image capturing system which have refractive power include the first to the fifth lenses. The optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.

Abstract: A camera system includes a lens-changeable camera body and an interchangeable lens. The camera system includes a usage history information collecting unit configured to collect a plurality of usage history information related to a usage state of the camera system, a usage history information storage unit configured to store the collected usage history information, an information extracting unit configured to extract, from a plurality of the usage history information stored in the usage history information storage unit, usage history information related to the interchangeable lens being attached, and a lens-related information storage unit configured to store the extracted usage history information related to the interchangeable lens.

Abstract: An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive power. The fifth lens can have negative refractive power, wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point. The lenses in the optical image capturing system which have refractive power include the first to the fifth lenses. The optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.

Abstract: An image pickup apparatus includes a detection unit which detects motion vectors between a plurality of captured images, a first setting unit which sets positions of a plurality of image regions used for motion vector detection by the detection unit, and a second setting unit which sets a target position of focus control. A result of detection by the detection unit is used for image blur correction. When the image pickup apparatus is in a first image blur correction mode, the first setting unit sets the positions of the plurality of image regions to be denser than when in a second image blur correction mode. When the image pickup apparatus is in the first image blur correction mode, the first setting unit sets the positions of the plurality of image regions according to the target position set by the second setting unit.