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428results about "Stereoscopic photography" patented technology

Optical coherence tomography device for optimizing aberration digital compensation and imaging method

The invention discloses an optical coherence tomography device for optimizing aberration digital compensation and an imaging method, the device comprises an optical coherence tomography device and an image processing module, and the optical coherence tomography device comprises an illumination module, an interference module, an area array detection module and a synchronous control module. The imaging method comprises the following steps: setting device light source parameters according to coherent gating, and determining a sampling matching relation of the area array detection module according to a sampling theorem; selecting a frequency sweeping mode or a time domain mode, electrifying to activate a corresponding light source and a synchronous time sequence, and adjusting the position of a reference mirror; collecting a full-field interference sequence of the area-array camera, performing digital aberration compensation, performing compensation and denoising on volume data of different depths, and exporting a three-dimensional diffraction limit image; and outputting a three-dimensional tomographic image with transverse diffraction limit and axial micron-level resolution. According to the invention, the imaging resolution and the imaging speed of optical coherence tomography are improved under the conditions that the camera specification is reduced, the GPU dependence is reduced and the system cost is reduced.
Owner:NANJING UNIV OF SCI & TECH

Monocular four-dimensional imaging device and method based on metasurface

The invention discloses a monocular four-dimensional imaging device and method based on a metasurface. The monocular four-dimensional imaging device comprises an image sensor and an imaging optical system arranged in front of the image sensor. Wherein the imaging optical system comprises a metasurface, the metasurface is designed to simultaneously generate a self-acceleration Airy point spread function with depth-dependent lateral displacement for incident left-hand circularly polarized light and right-hand circularly polarized light, and the self-acceleration Airy point spread function can generate a self-acceleration Airy point spread function with depth-dependent lateral displacement under the condition that a mechanical moving part is not used. Carrying out polarization separation and focusing on the left-hand circularly polarized light and the right-hand circularly polarized light; the image sensor is used for recording a mixed image containing the left-hand circularly polarized light information and the right-hand circularly polarized light information at the same time through single exposure so as to obtain three-dimensional depth and polarization information of the metasurface, namely monocular four-dimensional imaging of the metasurface. The scene perception and understanding capability of a machine is greatly enhanced, and the method has unique advantages in the aspects of target identification, material discrimination, severe environment perception and the like.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Viewer-adjusted stereoscopic image display from cameras sharing a common portion of their field of view

The present disclosure relates to an image modification process used to generate a chosen type of stereoscopic video of the common field of view shared by two cameras without requiring any pre-set and arrangement normally needed for stereoscopic display. The process can use left and right video streams of images originating from a wide range of camera types sharing some portion of their respective fields of view that are not limited to a specific relative orientation (convergent, parallel or divergent) and can be used to adapt in real time the stereoscopic video to be displayed to a viewer where his dynamic inputs are constantly updated. The proposed method can be used to optimize, correct and or allow the use of various apparatuses (webcams, cameras, scanners, etc.) that may come out of the production lines with imperfects to the capture cameras.
Owner:CUBICSPACE TECHNOLOGIES INC

Control apparatus, image pickup apparatus, and lens apparatus

A control apparatus for an image display system that includes a first optical system configured to form a first optical image of an object, a second optical system configured to form a second optical image of the object, a first driving unit configured to move a first imaging position of the first optical image and a second imaging position of the second optical image, a second driving unit configured to move the second imaging position, and an operation unit operable to adjust the second driving unit includes a memory storing instructions, and a processor configured to execute the instructions to acquire information regarding the first imaging position and the second imaging position, and cause a display unit to display the information in a case where the second driving unit moves the second imaging position in accordance with an operation on the operation unit.
Owner:CANON KK

Lens device and imaging apparatus

To provide a compact lens device including a plurality of bending optical systems.SOLUTION: A lens device (200) includes a first optical system (201R), a second optical system (201L) arranged in parallel with the first optical system, and a first driving part (252) including an actuator for moving at least one of the first optical system and the second optical system. Each of the first optical system and the second optical system has a first optical axis, a second optical axis, and a third optical axis in order from an object side to an image side. A distance between the first optical axis of the first optical system and the first optical axis of the second optical system is longer than a distance between the third optical axis of the first optical system and the third optical axis of the second optical system. When viewed from a device top face, at least a part of the first driving part is arranged between the first optical axis of the first optical system and the first optical axis of the second optical system on a plane including the respective first optical axes of the first optical system and the second optical system.SELECTED DRAWING: Figure 7
Owner:CANON KK

Structured light imaging device, three-dimensional imaging method therefor, and storage medium

A structured light imaging device, a three-dimensional imaging method therefor, and a storage medium. The structured light imaging device comprises two polarizers which generate polarized light, a light-combining device, and a polarization analyzer, and can suppress high reflectivity and improve the accuracy and integrity of three-dimensional reconstruction. The three-dimensional imaging method comprises: using two rays of polarized light to perform structured light projection so as to obtain a first polarized structured light image and a second polarized structured light image of an imaged object, and separately using the images to perform three-dimensional reconstruction so as to obtain a first height image and a second height image; on the basis of the first polarized structured light image and the second polarized structured light image, determining whether there are multiple reflections on the imaged object surface corresponding to a pixel position, and if not, then determining a final height value of the pixel position on the basis of the height values of the first height image and the second height image at said pixel position, thereby reducing the impact which multiple reflections on the object surface have on reconstruction accuracy and integrity.
Owner:SHENZHEN HANSWELL TECHNOLOGY CO LTD

Imaging device, imaging method, and program

An imaging device includes a display control unit configured to display a first indicator indicating a recommended imaging position and a second indicator indicating a current imaging position in a superimposed manner on an imaging monitor image, and perform processing for changing display of the first indicator in accordance with image obtaining processing for obtaining image data, and an imaging control unit configured to perform the image obtaining processing in accordance with a result of a matching determination between the first indicator and the second indicator on a screen.
Owner:SONY GROUP CORP

Multiple micro-eye cameras with ai processing and defensive control

Aircraft multiple sensitive small micro-eye optical / IR (visible light and / or infrared) cameras distributed in many suitable places in the aircraft so that collectively they are able to visualize and scan all the surroundings. With AI analysis and processing, an integrated panoramic entire-scope view with some stereoscopic perception effect could gained. After few early trial-flights of each aircraft, AI should be able to unit images collected by all cameras into one integrated view of all surrounding universe and build up surrounding concentric virtual sensory shells. These cameras will act as micro eyes to detect all surroundings in space all the time. It spot any approaching anti-aircraft missile as a hot spot increasing rapidly in size and intensity so that AI will immediately activate appropriate protective maneuvers to escape the attaching missile(s) while avoiding accidents with any other surrounding aircrafts (objects). Suitable cable connections added for power supply and information sharing to central data controller processor controlled by AI. For existing aircrafts, it could added as add-on camera clusters with suitable cable connections. For future newly manufactured aircrafts, it should added to design in a better and proper way. This innovation could use also in many other military and civil industries.
Owner:DAIF MOHAMMAD ABDEL FATTAH HASSAN

Hologram waveguiding

A projection system comprising a display device, a hologram engine and a waveguide. The display device is arranged to display a hologram of an image and spatially modulate light in accordance with the hologram to form a holographic wavefront. The hologram engine is arranged to calculate the hologram. The hologram is arranged to angularly distribute light within the holographic wavefront in accordance with spatial position within the image such that continuous angular ranges of the holographic wavefront respectively correspond with continuous regions of the image. The waveguide comprising a pair of parallel reflective surfaces arranged to waveguide the holographic wavefront therebetween. A first surface of the pair of parallel reflective surfaces is partially reflective-transmissive so as to form an output comprising a plurality of emission zones for the holographic wavefront. The hologram engine is arranged to modify the hologram to at least partially compensate for a decrease in intensity of the emission from each successive emission zone of the waveguide caused by the partial reflection-transmissions at the first surface during waveguiding.
Owner:ENVISICS LTD

Light field imaging device and method for depth acquisition and three-dimensional imaging

A light field imaging device and method are provided. The device can include a diffraction grating assembly receiving a wavefront from a scene and including one or more diffraction gratings, each having a grating period along a grating axis and diffracting the wavefront to generate a diffracted wavefront. The device can also include a pixel array disposed under the diffraction grating assembly and detecting the diffracted wavefront in a near-field diffraction regime to provide light field image data about the scene. The pixel array has a pixel pitch along the grating axis that is smaller than the grating period. The device can further include a color filter array disposed over the pixel array to spatio-chromatically sample the diffracted wavefront prior to detection by the pixel array. The device and method can be implemented in backside-illuminated sensor architectures. Diffraction grating assemblies for use in the device and method are also disclosed.
Owner:AIRY3D INC

Multi-aperture devices and associated methods

A multi-aperture device includes an arrangement of at least two optical channels, where each optical channel includes optics for imaging a field of view. The first light channel is configured to image the field of view at a first locally varying magnification. The second light channel is configured to image the field of view at a second locally varying magnification. The arrangement of light channels is configured to image at least a partial region of the field of view at different local magnifications through the first light channel and through the second light channel.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV

Surgical system instrument sterile adapter

A sterile drape comprises a plurality of sleeves and a plurality of sterile adapters each at a distal end of a corresponding drape sleeve. Each sterile adapter includes a housing configured to receive a distal face of an instrument manipulator having a plurality of manipulator actuator outputs, a membrane interface at a distal end of the housing that includes a plurality of actuator interfaces, and a pair of supports coupled to the housing to retain a surgical instrument having a plurality of instrument actuator inputs so that the plurality of instrument actuator inputs are opposite to corresponding manipulator actuator outputs with a corresponding actuator interface between each corresponding instrument actuator input and manipulator actuator output. Each sterile adapter also comprises a rotatable seal adapted to couple a proximal opening of each drape sleeve to a rotatable element at a distal end of the manipulator arm.
Owner:INTUITIVE SURGICAL OPERATIONS INC

Optimizing drive schemes for multiple projector systems

Light projection systems and methods may comprise combining light from two or more projectors. Each projector may be controlled so that the combined light output of the projectors matches a target for the projected light. In some embodiments optimization is performed to generate image data and control signals for each of the projectors. Embodiments may be applied in image projecting applications, lighting applications, and 3D stereoscopic imaging.
Owner:BARCO VISUAL SOLUTIONS INC

Image capturing control apparatus, control method, and storage medium

To provide a technique for estimating accuracy of dimension measurement performed by using a plurality of parallax images having parallax with each other photographed under a specific photographing condition.SOLUTION: An accuracy estimation device includes acquisition means for acquiring photographing conditions of a plurality of parallax images mutually having parallax, and estimation means for estimating accuracy of dimension measurement performed using the plurality of parallax images on the basis of the photographing conditions.SELECTED DRAWING: Figure 4
Owner:CANON KK

Stereo camera apparatus and method for generating a parallax image from low sensitivity and high sensitivity sub-pixel array

An imaging apparatus has a plurality of cameras, each including: an imaging device in which unit pixels are periodically arranged, the unit pixels including high sensitivity sub-pixels that output a first output value for a certain exposure amount and low sensitivity sub-pixels that output a second output value lower than the first output value for a certain exposure amount; a composition section that selects and outputs an output of the high sensitivity sub-pixels and an output of the low sensitivity sub-pixels when the exposure amount is smaller or larger than the predetermined exposure value, respectively; and an amplification section that amplifies and outputs an output of the composition section, and so that image signals of the high and low sensitivity sub-pixels in the same predetermined exposure values become the same between the plurality of cameras, corrects the image signals of the high and low sensitivity sub-pixels.
Owner:ASTEMO LTD

Lens apparatus and image pickup apparatus

A lens apparatus and an image pickup apparatus. The lens apparatus includes a first system, a second system arranged in parallel with the first system, and a first driving unit including an actuator configured to move at least one of the first system and the second system. Each of the first system and the second system has a first axis, a second axis, and a third axis in this order from the subject side to the image side. A distance between a first axis of the first system and a first axis of the second system is longer than a distance between a third axis of the first system and a third axis of the second system. At least a portion of the first driving unit is disposed between a first axis of the first system and a first axis of the second system when viewed from a top side of the lens apparatus.
Owner:CANON KK

Imaging device

The present disclosure provides an image pickup apparatus capable of reducing an optical axis shift of an optical lens with respect to an image pickup element caused by thermal deformation of a component. An imaging device is provided with a lens holder (110), a substrate (120), and a bonding portion (130). A lens holder (110) has: a lens barrel (111) that holds an optical lens (101); and a holder base section (112) that supports the lens barrel (111), is joined to the substrate (120) via a joining section (130), and surrounds the imaging element (102). The substrate (120) has: a narrow section (121) that surrounds a part of the outer periphery of the imaging element (102) on the inside of the holder base section (112); and a wide section (122) that is wider than the narrow section (121) and surrounds the remainder of the outer periphery of the imaging element (102) on the inside of the holder base (112). The imaging device is provided with a displacement adjustment unit (160) that makes the relative displacement of the lens barrel (111) and the substrate (120) in the direction in which the imaging element moves from the narrow section (121) to the wide section (122) easier than the relative displacement of the lens barrel (111) and the substrate (120) in the direction in which the imaging element moves from the wide section (122) to the narrow section (121).
Owner:ASTEMO LTD

Device with multi-channel imaging device and multi-aperture imaging device

To provide a multi-aperture imaging device that simultaneously enables large capacity image quality and a small installation space for the multi-aperture imaging device.SOLUTION: A multi-aperture imaging device includes image sensor means having: a plurality of image sensor regions 44a, 44b, 44c; and a plurality of optical channels 42a, 42b, 42c. In this case, each optical channel includes an optical system for imaging partial fields of view 64a, 64b of an overall field of view onto the image sensor region of the image sensor means associated with the optical channel. The plurality of optical channels are configured to completely image an overall field of view 60. A first partial field of view of the overall field of view and a second partial field of view of the overall field of view are captured by different numbers of optical channels.SELECTED DRAWING: Figure 6b
Owner:FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV

Information processing device, 3D measuring device, and information processing system

To appropriately delete a deletion target area included in 3D information.SOLUTION: An information processing device 20 includes a three-dimensional information acquisition unit 28A, a posture information acquisition unit 28B, a determination unit 28D, and a deletion unit 28E. The three-dimensional information acquisition unit 28A acquires three-dimensional information obtained by photographing a photographing area by a photographing unit 14. The posture information acquisition unit 28B acquires posture information of the photographing unit 14 when photographing three-dimensional information. The determination unit 28D determines an area to be deleted included in the three-dimensional information on the basis of the posture information. The deletion unit 28E deletes the deletion target area included in the three-dimensional information.SELECTED DRAWING: Figure 2
Owner:RICOH CO LTD

Electronic apparatus

To provide a technique capable of facilitating a setting of a camera while mounting a HMD by a user.SOLUTION: An electronic apparatus of the present invention includes: acquisition means of acquiring a position coordinate designated by a user in a display image in which first conversion processing is executed to a captured image obtained by an imaging device; conversion means of converting the position coordination in the display image obtained by the acquisition means into a position coordination in the captured image by second conversion processing that is inverted to the first conversion processing; and control means of controlling the setting of the imaging device on the basis of the position coordination in the captured image obtained by the conversion means.SELECTED DRAWING: Figure 10
Owner:CANON KK

Printing device and printing method

PendingEP4696509A1ViewersSpacing mechanisms
A printing device forms an image layer by printing with a color ink a composite image obtained by dividing a plurality of original images in a sub-scanning direction and combining the divided plurality of original images, forms an intermediate layer by printing on the image layer with a transparent ink a solid-printing image, and forms a lens layer by printing on the intermediate layer with the transparent ink a lens image consisting of a plurality of long lenses extending in a main scanning direction and aligned in the sub-scanning direction correspondingly to the composite image. When the lens layer is formed, the printing head ejects the transparent ink onto a recording medium while the printing head is moving in the main scanning direction, and the transparent ink on the recording medium is cured by the curing device.
Owner:MUTOH IND LTD

Controller for automated milking devices, computer-based implementation method, computer program, and non-volatile data carrier

A controller (100) for an automated milking apparatus (110) acquires an animal's identifier (ID1). Based on the identifier (ID1), the controller (100) retrieves an exposure setting (ID1:xs1) from a data storage (120) selected to capture image data (D) of at least one body part (131, 132, 133, 134) of the animal whose unique identity is reflected by the identifier (ID1). img Using the stored exposure settings (ID1:xs1), the camera (140) captures image data (D) representing at least one body part (131,132,133,134). img The controller (100) is based on image data (D). img The camera (140) uses the exposure settings (ID1:xs1) from the data storage (120) to register image data (D). img At least one first frame of the image data (D). img If at least one region of interest in the image does not meet the image quality standard, the exposure setting (ID1:xs1) for the animal whose unique identity is reflected by the identifier (ID1) is adjusted (ID1:xs1') and stored in the data storage (120) to replace the previously stored exposure setting (ID1:xs1).
Owner:DELAVAL HLDG AB

Method for detecting demineralization of tooth substance

A method for detecting demineralization of a tooth substance, including the steps of irradiating (S101) a structured light pattern onto the tooth substance; detecting (S102) a light intensity of the light pattern remitted from the volume of the tooth substance; and determining (S103) demineralization of the tooth substance based on the detected light intensity.
Owner:IVOCLAR VIVADENT AG

Stereo camera arrangement for a motor vehicle and motor vehicle with such a stereo camera arrangement

Stereo camera arrangement (1) for a motor vehicle (2) with at least a first and a second camera device (3, 4), characterized by at least two mutually separate holding devices, via which the at least first and second camera devices (3, 4) can be attached independently of one another to an inner side of a vehicle window (5) of the motor vehicle (2), wherein the first camera device (3) is designed as a satellite camera and the second camera device (4) is designed as an intelligent camera, wherein the intelligent camera comprises an image evaluation unit which is designed to evaluate a distance to an object by means of the images recorded by the camera devices.
Owner:AUMOVIO AUTONOMOUS MOBILITY GERMANY GMBH

Electronic equipment, its control method, program, and recording medium

To allow a user to check all over an image and also to enlarge and display the image so as to prevent a user from becoming confused.SOLUTION: Electronic equipment includes: acquisition means of acquiring a third image in which a first image captured via a first optical system and a second image captured via a second optical system and having parallax with respect to the first image are arranged side by side; and setting means of setting a target range which is included in the third image and to which predetermined processing is applied, according to a user operation, the setting means setting the target region such that the target region includes at least part of the first image or the second image.SELECTED DRAWING: Figure 13
Owner:CANON KK

Device for transcranial magnetic stimulation

Transcranial magnetic stimulation treatment device A transcranial magnetic stimulation treatment device (10) comprises a magnetic field generating means (12) and a pose determination device (14) comprising a stereo image capture device (16), a plurality of markers (18) and an image processing device (20), wherein the stereo image capture device (16) is configured and arranged to capture stereo image data of a scene, the plurality of markers (18) are arranged visibly on and assigned to the magnetic field generating means (12) and / or a head (24) of a patient, and the image processing device (20) is configured to process the stereo image data into position and / or pose data of each marker (18) visible to the stereo image capture device (16) and / or into pose data of the magnetic field generating means (12) and / or the head (24) of the patient. Method for determining a treatment position for a transcranial magnetic stimulation treatment device according to one of the preceding claims, wherein, in a first step, stereo image data of said head (24) are acquired, on which a plurality of markings (18) are visibly arranged, in a second step, head shape data describing a shape of said head (24) are estimated from the stereo image data, In a third step, at least one treatment position is determined relative to the said head shape data and in a fourth step, said head shape data and / or treatment position are stored in a data storage means (22).
Owner:NEUROCARE GRP AG

IMAGE DEVICE

The present disclosure provides an imaging device capable of reducing deviations in the optical axis of an optical lens with respect to an imaging element caused by thermal deformation of components. The imaging device comprises a lens holder 110, a substrate 120, and a connecting part 130. The lens holder 110 comprises a lens tube 111, which holds the optical lens 101, and a holder base 112, which supports the lens tube 111 and is connected to the substrate 120 via the connecting part 130 to surround the imaging element 102.The substrate 120 comprises a narrow section 121, which surrounds a portion of the outer circumference of the imaging element 102 within the holder base part 112, and a wide section 122, which surrounds the remaining portion of the outer circumference of the imaging element 102 within the holder base part 112, the wide section 122 being wider than the narrow section 121. The imaging device includes a displacement adjustment element 160, which facilitates a relative displacement between the lens tube 111 and the substrate 120 in a direction in which the imaging element 102 moves from the narrow section 121 to the wide section 122, rather than a relative displacement between the lens tube 111 and the substrate 120 in the opposite direction.
Owner:ASTEMO LTD