Stereoscopic system including a portal component, first sensor and first cable, second sensor and second cable, first display and second display. The portal component includes an axis, a first channel and second channel extending along the axis. The first sensor is secured within the first channel at a first angle with respect to the axis and directed inwardly toward a location. The first cable extends from the first sensor. The second sensor is secured within the second channel at a second angle with respect to the axis and directed inwardly toward the location. The first angle and second angle converge at the location to define a depth of perception. The second cable extends from the second sensor. The first display structure is disposed in proximity to a left aperture of an eyeframe, and the second display structure is disposed in proximity to a right aperture of the eyeframe.

An apparatus for obtaining an image of a retina has an optical relay that defines an optical path and is configured to relay an image of the iris along the optical path to a pupil; a shutter disposed at the pupil and configured to define at least a first shutter aperture for control of light transmission through the pupil position; a tube lens disposed to direct light from the shutter aperture to an image sensor; and a prismatic input port disposed between the shutter and the tube lens and configured to combine, onto the optical path, light from the relay with light conveyed along a second light path that is orthogonal to the optical path.

Disclosed is an electronic device. In the electronic device according to the present disclosure, a central axis of a viewing angle based on an eye of a user and the central axis of the viewing angle based on a lens optical axis of a camera match each other. An electronic device according to the present disclosure may be associated with an artificial intelligence module, robot, augmented reality (AR) device, virtual reality (VR) device, and device related to 5G services.

A system for establishing a baseline of a stereoscopic imaging device having a microlens array and methods for making and using the same. The system acquires an object distance between the microlens array and an object of interest and selects first and second lenses from the microlens array based upon the acquired object distance. The system likewise can perform simultaneous localization and mapping (SLAM) with the imaging device. In one embodiment, the system can acquire first and second stereoscopic frames with the microlens array. The system thereby can measure rotations of the second stereoscopic frame with an Inertial Measurement Unit (IMU) and match the first and second stereoscopic frames by combining the rotation data with the first and second stereoscopic frames. The system thereby can enable SLAM systems to perform more accurately and more practically in various indoor and/or outdoor environments.

The present invention relates to a prism sheet for auto-stereoscopic 3D display that is installed on the top of a liquid crystal display panel. The prism sheet for auto-stereoscopic 3D display according to the present invention, comprises a plurality of prisms disposed parallel to each other, each of which includes a central portion of which the upper and lower surfaces are parallel to each other, the central portion having a width corresponding to a plurality of subpixel columns of the liquid crystal display panel; a left inclined portion that is installed on a left side of the central portion and refracts light such that a user can view the left half of the plurality of subpixel columns covered by the central portion, wherein the left half subpixel column is visible to a user; and a right inclined portion that is installed on a right side of the central portion and refract light such that the user can view the right half of the plurality of subpixel columns covered by the central portion.

The disclosed subject matter is directed to employing machine learning models configured to predict 3D data from 2D images using deep learning techniques to derive 3D data for the 2D images. In some embodiments, a method is provided that comprises employing, by a system comprising a processor, one or more three-dimensional data from two-dimensional data (3D-from-2D) neural network models to derive three-dimensional data from one or more two-dimensional images captured of an object or environment from a current perspective of the object or environment viewed on or through a display of the device. The method further comprises, determining, by the system, a position for integrating a graphical data object on or within a representation of the object or environment viewed on or through the display based on the current perspective and the three-dimensional data.

A digital loupe system is provided which can include a number of features. In one embodiment, the digital loupe system can include a stereo camera pair and a distance sensor. The system can further include a processor configured to perform a transformation to image signals from the stereo camera pair based on a distance measurement from the distance sensor and from camera calibration information. In some examples, the system can use the depth information and the calibration information to correct for parallax between the cameras to provide a multi-channel image. Ergonomic head mounting systems are also provided. In some implementations, the head mounting systems can be configurable to support the weight of a digital loupe system, including placing one or two oculars in a line of sight with an eye of a user, while improving overall ergonomics, including peripheral vision, comfort, stability, and adjustability. Methods of use are also provided.

A device for viewing stereoscopic 3D images using an electronic device with a screen display includes: a head fastener; a holder to receive and removably accommodate the electronic device in an accommodation space; a lens focusing light from the screen display to the eyes of the user; and a distance part, providing a predetermined distance between the lens and the screen display. The lens part provides a first image from a first part of the screen display to a first eye of the user, and a second image from a second part of the screen display to a second eye of the user. The holder part is supported relative to the lens by the distance part, the distance part being arranged to be reversibly collapsible, from a fully expanded state, in which the lens part is arranged at said predetermined distance from the screen display, to a contracted state.

A wide-angle optical system includes a pair of front side lens units, an optical member, and a pair of rear side lens units. Each of the pair of front side lens units has a negative refractive power. The optical member has a pair of inclined surfaces and a bottom surface, and the pair of inclined surfaces is disposed such that a line of intersection is formed on an object side. Each of the pair of rear side lens units includes a positive lens, and in the pair of rear side lens units, two axes of rotational symmetry are parallel. With respect to two light rays, intersection and reflection occur at the optical member, and the intersection and the reflection occur after the two light rays are transmitted through the pair of inclined surfaces and before two light rays are transmitted through the bottom surface.

An object of the present invention is to provide an I/O device, an I/O program, and an I/O method which can be used even by a user who has strabismus, etc. Another object of the present invention is to provide an I/O device, an I/O program, and an I/O method for adjusting the strabismus or eyesight, etc. of a user. In addition, a display device can generate a stereoscopic image, a depth level sensor measures a distance to an object, and a control unit performs display on the display device in accordance with the depth level sensor. A display adjustment mechanism adjusts the angle of the display device.