642results about "Stereoscopic photography" patented technology

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.

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.

A lens apparatus (200) includes a lens (211R,211L) disposed closest to an object, a holder (212) holding the lens, a cover (213) having a first opening (213A) to expose the lens when viewed from an optical axis direction of the lens and being positioned with the holder in the optical axis direction, and an exterior member (204) having a second opening (204F) to engage with an outer diameter of the cover. A first gap in a diameter direction orthogonal to the optical axis direction formed between the holder and the cover is larger than a second gap in the diameter direction formed between the exterior member and the cover.

A camera module for a maritime vehicle. The camera module includes a frame comprising first and second openings, first and second windows disposed in the frame immediately adjacent the first and second openings, respectively, a retention plate coupled to the frame and configured to retain the first and second windows in the frame immediately adjacent the first and second openings, a stereo camera disposed within the frame, the stereo camera disposed immediately adjacent the first opening, and an infrared (IR) camera disposed within the frame, the IR camera disposed immediately adjacent the second opening.

The present disclosure is directed to a camera configured to capture a set of oblique images along a scan path on an object area; a scanning mirror structure including at least one surface for receiving light from the object area, the at least one surface having at least one first mirror portion at least one second portion comprised of low reflective material arranged around a periphery of the first mirror portion, the low reflective material being less reflective than the first mirror portion; and a drive coupled to the scanning mirror structure and configured to rotate the scanning mirror structure about a rotation axis based on a scan angle. The at least one second portion can be configured to block light that would pass around the first mirror portion and be received by the camera at scan angles beyond the set of scan angles.

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.

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.

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

A camera system (100) for imaging in harsh environments. The camera system comprises a body with a first tubular casing, a second tubular casing, and a longitudinal strut which couples the first tubular casing to the second tubular casing to rigidly maintain the first and second tubular casings in a parallel, side by side relationship. The first and second tubular casing both define a front aperture for providing access to their respective interior space. The camera system also comprises a camera mounting endcap arranged to be coupled to the body to seal both front apertures. The camera mounting endcap comprises at least two camera mounting formations for coupling cameras to the camera mounting endcap. The camera mounting endcap has a viewing port for each respective camera to allow each camera to view the harsh environment through a front aperture. The camera mounting formations are arranged to rigidly maintain the cameras in a parallel, side by side relationship.

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.

The utility model belongs to the technical field of specimen scanning equipment, and discloses a specimen scanning device which comprises a base, a horizontal rotating structure, a vertical rotating structure and a camera. A scanning position capable of fixing a sample is arranged on the base; the horizontal rotating structure comprises a horizontal adapter and a horizontal driving mechanism, the horizontal adapter is rotatably arranged on the base, and the horizontal driving mechanism is fixedly arranged on the horizontal adapter; the vertical rotating structure comprises a vertical adapter seat and a vertical driving mechanism, the vertical adapter seat is rotatably arranged on the horizontal adapter seat, and the vertical driving mechanism is fixedly arranged on the horizontal adapter seat; the camera is arranged on the vertical adapter. The horizontal rotating structure is matched with the vertical rotating structure, and the camera can rotate on the horizontal plane and / or the vertical plane at the same time under the driving of the horizontal driving mechanism and / or the vertical driving mechanism and is always opposite to the scanning position, so that image acquisition and modeling of a sample can be completed by using a single camera, and the cost is reduced to a great extent.

A vehicle photographic booth is provided that accommodates cameras with lenses with focal lengths that avoid wide angle distortion that is common in low end car photography. The photographic booth has an ovoid hemispherical dome shape with a camera mounted at the apex of the ovoid portion so as to accommodate longer focal length lenses. The overall dimension of the ovoid section of the dome for placement of a camera is determined by the available floor space of a user. The use of an enclosed ovoid hemispherical dome shape that rotates with respect to a stationary stage, or in the alternative a fixed enclosed ovoid hemispherical dome with a rotating stage allows for much less light to be needed as compared to a full open volume. An ovoid shape also provides a smaller fixed footprint than a full structure for an equal camera distance from a subject.

A 3D scanner and a method of operating same are provided. The scanner comprises a light projector unit for projecting a structured light pattern and a set of cameras. The set of cameras includes one or more rolling shutter cameras for capturing data conveying a set of images having sensor surfaces defining a plurality of pixel lines. One or more processors are provided for sending control signals to the light projector unit to intermittently project the structured light pattern. In particular, the structured light pattern is projected when the individual pixel lines in the plurality of pixel lines are concurrently exposed to light and is otherwise either attenuated or turned off. In some implementations, a rolling shutter geometric camera is included, and the light projector unit includes a light source emits light with wavelengths in a specific range. The rolling shutter geometric camera may allow light with wavelengths in the specific range to pass through and may substantially attenuate other wavelength ranges. Optionally, a rolling shutter color camera may be included having an LCD shutter configured to intermittently permit light to pass onto sensors when the structured light pattern is projected onto the surface of the object. The rolling shutter color camera may also at least partially block light with wavelengths in the specific wavelength range.

To provide a vehicle-mounted imaging system to be installed in a vehicle, in which the vehicle-mounted imaging system makes it possible to simultaneously achieve downsizing, weight reduction, cost reduction, and scalability (versatility). The vehicle-mounted imaging system to be installed in a vehicle is characterized: by being provided with a first camera, a second camera installed at a different location than the first camera, and an image processing unit for processing images acquired by the first camera and the second camera; and in that the first camera and the second camera are connected by a first communication line, and the second camera and the image processing unit are connected by a second communication line.

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.

To provide a multi-camera system improved for harsh environments.SOLUTION: The camera system comprises a body with a first tubular casing, a second tubular casing, and a longitudinal strut which couples the first tubular casing to the second tubular casing to rigidly maintain the first and second tubular casings in a parallel, side by side relationship. The first and second tubular casings each define a front aperture for providing access to an interior space thereof. The camera system also comprises a camera mounting endcap arranged to be coupled to the body to seal both front apertures. The endcap comprises at least two camera mounting structures for coupling cameras to the camera mounting endcap. The camera mounting endcap has a viewing port for each camera to allow imaging by each camera in the harsh environment through a front aperture. The camera mounting structures are arranged to rigidly maintain the cameras in a parallel, side by side relationship.SELECTED DRAWING: Figure 1b

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.

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.

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.

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.

A spectroscopic 3D image display device according to the present disclosure includes: at least one first projection type image display device that uses first illumination light to display an image; at least one second projection type image display device that uses second illumination light to display an image; and a system controller that carries out control so that the first and second projection type image display devices are synchronously driven. A light source device of the first projection type image display device emits, with prescribed output power, first blue light having the central wavelength λa, and switches the intensity of the output power and emits third blue light. A light source device of the second projection type image display device emits, with prescribed output power, second blue light having the central wavelength λb. The central wavelengths λa, λb, and λc satisfy λb ≤λc < λa.

The present invention is to introduce a computer-implemented, web-based stereoscopic acuity computation and stereo eye color accuracy assessment to test for what colors patients are deficient in as seen through the real world in pictures rather than just for color by itself. The pictures are taken with a camera or similar electronic device use. The eye color accuracy exam utilizes caffeine products. The computation takes color characteristics of a target color where they are inputted, identified matched, and processed in a way as to expose a visual deficiency of the target color selected from a color database and color chart based upon color characteristics of the target color to be matched, processed, and visually stereoscopically displayed thus enabling comparison of the alternate color(s) with the target color. The computation uses gamma correction, color thresholding, alpha composing, opacity ratios and eye color accuracy assessment from a patient to provide a result.

The invention relates to a suspended objective table for ultra-micro-distance photography and a 3D reverse modeling image acquisition method.The suspended objective table for ultra-micro-distance photography comprises a base and a suspended fixing assembly, the suspended fixing assembly comprises two fixing supports, a rotating disc, a synchronous rod and a rotating rod, the two fixing supports are vertically arranged on the base, and the rotating disc is arranged on the base; the two rotating discs are located between the two fixing supports and rotatably connected with the side faces of the top ends of the fixing supports on the same side, the rotating discs are provided with positioning tip assemblies in the axis direction of the rotating discs, the two positioning tip assemblies are oppositely arranged, a plurality of synchronous rods are arranged between the two rotating discs, one end of each synchronous rod penetrates through one fixing support, and the other end of each synchronous rod penetrates through the other fixing support. And the rotating discs on the same side are fixedly connected. According to the invention, a stable platform is provided for the tiny object, the problem of distortion of the tiny object when the planes are connected under the action of gravity is solved, high-definition images of the tiny object can be continuously shot and obtained, and the problem of model distortion caused by the fact that pictures at different angles cannot be closely fused during 3D reverse modeling is solved.

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.

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.

A system for ophthalmic imaging comprising an ophthalmic device configured to obtain stereoscopic images of an eye of a patient and to transmit the images in real-time to a display device via a network for viewing by practitioners. The ophthalmic device comprises at least an optic assembly, a processing assembly, a slit assembly, such as a slit lamp, and a positioning assembly. Control devices structured to control the ophthalmic device over the network, such as the world wide web, can be disposed at a plurality of locations, and may be remote from the ophthalmic device while providing real time control of the parameters of the ophthalmic device by the practitioner(s) associated therewith.

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

To provide an imaging apparatus that can move an AF frame to a desired position in a screen even when it uses a lens unit with different characteristics.SOLUTION: An imaging apparatus according to an embodiment is capable of mounting a lens unit thereon, and has: acquisition means that acquires the characteristics of the lens unit mounted on the imaging apparatus; operation means that receives a moving operation; and control means that, according to the moving operation to the operation means, controls a position of an AF frame showing an area for detecting a defocus amount for an imaging signal displayed on display means. The control means performs control, on the basis of the characteristics of the lens unit mounted on the imaging apparatus, so as to make an amount of movement of the position of the AF frame different in a case of a lens unit with first characteristics having an imaging optical system having one optical axis and a case of a lens unit with second characteristics having a plurality of imaging optical systems different in optical axis, for the same operation amount of the moving operation to the operation means.SELECTED DRAWING: Figure 6

The attachment comprises a central camera and six tracking cameras arranged in a circle surrounding the central camera. A moving object, such as a ball, is detected in each frame captured by the tracking cameras, and the central pixel of the ball in the frame is determined. Using the known positional relationship of the tracking cameras, a known position of a reference object within the scene, and the central pixel of the ball in the frames, the ball’s location within the scene is determined. Using the determined position of the ball in each scene in each set of frames, the trajectory of the ball through the scene can be determined. The trajectory is animated and then superimposed onto the video captured by the central camera. The attachment connects to a mobile phone via a dock or via Bluetooth. The central camera may comprise the phone’s inbuilt camera.