103 results about "Stereoscopy" patented technology

A set of eyewear is provided for use with prescription spectacles. The design comprises a plurality of selecting devices formed and configured to be attached to the spectacles to provide stereoscopic viewing of images when worn by a user wearing the spectacles. The eyewear comprises a substrate forming a first selector device and a second selector device, and optical materials provided on the substrate. The optical materials comprise first optical material associated with the first selector device and providing a first orientation along a first axis and second optical material associated with the second selector device and providing a second orientation along a second axis substantially orthogonal to the first axis. The substrate and optical materials are configured to be fixedly mountable to the spectacles.

Enhanced portal security is provided through stereoscopy, including a stereo door sensor for detecting and optionally preventing access violations, such as piggybacking and tailgating. A portal security system can include a 3D imaging system that generates a target volume from plural 2D images of a field of view about a portal; and a processor that detects and tracks people candidates moving through the target volume to detect a portal access event.

Generating 3D representations of a scene represented by a first video stream captured by video cameras. Identifying a transition between cameras, retrieving parameters of a first set of viewing configurations, providing 3D video representations representing the scene at several sets of viewing configurations different from the first set of viewing configurations, and generating an integrated video stream enabling 3D display of the scene by integration of at least two video streams having respective sets of viewing configurations, which are mutually different. Another provided process is for synthesizing an image of an object from a first image, captured by a certain camera at a first viewing configuration. Assigning a 3D model to a portion of a segmented object, calculating a modified image of the portion of the object from a viewing configuration different from the first viewing configuration, and embedding the modified image in a frame for stereoscopy.

A set of eyewear is provided for use with prescription spectacles. The design comprises a plurality of selecting devices formed and configured to be attached to the spectacles to provide stereoscopic viewing of images when worn by a user wearing the spectacles. The eyewear comprises a substrate forming a first selector device and a second selector device, and optical materials provided on the substrate. The optical materials comprise first optical material associated with the first selector device and providing a first orientation along a first axis and second optical material associated with the second selector device and providing a second orientation along a second axis substantially orthogonal to the first axis. The substrate and optical materials are configured to be fixedly mountable to the spectacles.

Shutter-type three-dimensional (3D) glasses used with a display apparatus for displaying a stereoscopic image, and a driving method thereof are provided. The shutter-type 3D glasses include a shutter which includes a left-eye shutter and a right-eye shutter alternately opened and closed in sync with a left-eye image and a right-eye image; a signal receiver which receives a synchronous signal for driving the shutter from the display apparatus; and a shutter driver which determines whether a synchronous signal is normal or abnormal, compensates the synchronous signal if the synchronous signal is abnormal, and supplies the compensated synchronous signal to the shutter.

Audio associated with three-dimensional image content is enabled to be heard by a user without interfering with other users. A device network includes a display system (master) and a wearable device (slave). The wearable device includes a glasses frame, earphones, and left and right eye shuttering lenses. The wearable device receives from the display system a frame sync signal and audio content associated with three-dimensional image content displayed by the display system as alternating left and right images. The audio content is played using the earphone. The left and right eye shuttering lens are shuttered in synchronism with the alternating left and right images according to the frame sync signal to enable a wearer of the wearable device to perceive the alternating left and right images as a three-dimensional image. Additional wearable devices may join the device network to be delivered independent audio and three-dimensional content in a similar manner.

The invention relates to the technical field of image processing, and particularly relates to a method, a device and a system for trying on glasses in a virtual mode. The method provided by the embodiment of the invention comprises the steps of establishing a three-dimensional coordinate system according to an acquired face image, positioning a selected pre-established three-dimensional glasses model on a pre-established three-dimensional face model, then positioning the three-dimensional face model on a face image model in the three-dimensional coordinate system, scaling the three-dimensional face model so as to enable the three-dimensional face model to be matched with the face image model in the three-dimensional coordinate system, and displaying the three-dimensional glasses model and the face image model. Through the method, the device and the system provided by the embodiment of the invention for trying on the glasses in the virtual mode, users are enabled to show effects after wearing the glasses visually and realistically without a need of actually wearing the glasses, thereby improving the try-on efficiency of the glasses. In addition, a problem of waste which is possibly brought about by resource duplication of the glasses can also be improved, thereby reducing the cost, and reducing inventory pressure.

A head-mounted display to visualize a medium through a surface by displaying an image characterizing the medium under the surface provided by a profiling system and referenced in the real environment of the user. An image of the medium under the surface is projected in front of one or both eyes of a person wearing the head-mounted display, in superimposition with the real environment of the user. The head-mounted display comprises a positioning sensor, such as an inertial positioning sensor, for determining its position and orientation in the real environment. As the user moves around the medium, the image of the medium is updated to display the medium as if it could be seen through the surface. In one embodiment of the invention, the image of the medium under surface is displayed in stereoscopy, the user thereby visualizing the medium in three dimensions.

The invention relates to a method for trying on glasses for a three-dimensional human head portrait in internet. The method is used for picking up a three-dimensional glasses model which is matched with the facial form of a person who tries on the glasses, and includes the following steps: a three-dimensional glasses model database is provided and stored in a server website; a three-dimensional facial form model which is matched with the facial form of the person who tries on the glasses is provided in the server website; the pupil distance data of the two eyes of the person who tries on the glasses is input into the database; according to the input pupil distance data of the two eyes, the three-dimensional glasses model which is matched with the three-dimensional facial form model is selected from the server; and the selected three-dimensional glasses model and the three-dimensional facial form model are combined to obtain a three-dimensional image of the person wearing the glasses. The method can quickly realize the trying-on of glasses of the three-dimensional human head portrait in the Internet Explorer, simulate the spatial shape of the glasses and the human head portrait, vividly present the effect of the person personally wearing the glasses, and meet the preference of glasses wearers well.

Three-dimensional (3D) glasses and a system for wireless power transmission are provided. The 3D glasses include a frame, a resonance reception part which includes a reception conductive wire loop and a resonance capacitor for wireless charging, a rectification part which rectifies a voltage generated by the resonance reception part, and a charging part which charges a battery using the rectified voltage. The frame includes a first temple, a second temple, a first lens holder part, a second lens holder part, and a bridge part connecting the first lens holder part and the second lens holder part.

Some aspects are directed to a system for wirelessly powering a pair of three-dimension (3D) glasses, and to a wirelessly powered 3D glasses. The system uses a powering device for generating and transmitting a wireless power signal, and a rectenna integrated within the 3D glasses for receiving the wireless power signal. The rectenna converts the wireless power signal into a Direct Current for powering the 3D glasses. The 3D glasses comprises a frame, a pair of Liquid Crystal Shutters supported by the frame, and a rectenna for receiving a wireless power signal and transforming the wireless power signal into a direct current signal for powering the 3D glasses.

To compensate for changes in weight distribution of transportable, hand-held camera supports when one or both camera translate or pivot in a two-camera stereographic imaging system, the bottom of the elongated camera support attaches to a compensation mechanism. The mechanism has a balance plate movable laterally on a bottom housing. Ballast mounts below the bottom housing. A motor in the bottom housing moves the balance plate and the pole laterally in response to camera pivoting or lateral movement to maintain the center of gravity of the system centered along the longitudinal axis of the elongated support.

The invention discloses a method for evaluating tissue uniformity of a particles reinforced aluminum composite material, base on basic theory of stereoscopy and statistics decision, by combing an image analysis technology and aiming at the particles reinforced aluminum composite material, mathematical statistics is carried out on the ideal particles uniform distribution in a microstructure, a calculating method of the particle distribution uniformity coefficient in the particles reinforced aluminum composite material is established. The uniformity coefficient of the particles distribution state in the particles reinforced aluminum composite material tissue under a practical state can be corrected. A test analysis is carried out according to the method, the tissue uniformity of the particles reinforced aluminum composite material with volume fraction of 2%-8%, the result can show that uniform degree of the particle distribution in the particles reinforced aluminum composite material. So that the evaluation method is used for objectively and scientifically evaluating the particle distribution state in the microstructure of the particles reinforced aluminum composite material with different volume fractions.

Several unique hardware configurations and methods for freeform optical display systems are disclosed. A freeform display system includes primary freeform optical element(s) and secondary freeform optical element(s) in tiled arrangements to expand the horizontal field of view (FOV) or the vertical field of view. The system may include a variable focusing system that produces intermediate pupil and changes the focal distance of a single focal plane or switches among multiple focal planes for rendering objects in focus while resolving accommodation-convergence conflict. The system may map light samples to appropriate light rays in physical space and use a cluster of projectors to project the mapped light rays to produce the light field of the virtual display content. Methods for making tiled freeform optical display systems and methods for producing virtual content with variable focus freeform optics and rendering light fields are also disclosed.

The invention provides a head-mounted display to visualize a medium through a surface by displaying an image characterizing the medium under the surface provided by a profiling system and referenced in the real environment of the user. An image of the medium under the surface is projected in front of one or both eyes of a person wearing the head-mounted display, in superimposition with the real environment of the user. The head-mounted display comprises a positioning sensor, such as an inertial positioning sensor, for determining its position and orientation in the real environment. As the user moves around the medium, the image of the medium is updated to display the medium as if it could be seen through the surface. In one embodiment of the invention, the image of the medium under surface is displayed in stereoscopy, the user thereby visualizing the medium in three dimensions.

A three-dimensional display system including a display and a pair of three-dimensional glasses having a light sensor is provided. The display includes a backlight driving module and a backlight module, wherein the backlight driving module modulates an original synchronization signal to generate a modulated backlight driving signal for driving the backlight module to generate a backlight. The display alternatively generates a left eye image and a right eye image according to a three-dimensional image signal. The three-dimensional glasses then determines whether the image output from the display is the let-eye image or the right-eye image based on the variation in brightness of the backlight generated by the backlight module of the display.

Stereoscopic instruments for viewing stereoscopic images of objects at a range of magnifications are described. The stereoscopic instruments are arranged to provide an optical beam comprising light received from an object over a given angular range, and to split the optical beam into left and right optical beams each traversing a respective optical path. The left and right optical paths each transmit a sub-beam over a respective angular range, the respective angular ranges thereby defining a first angular relationship between the respective sub-beams. Each optical path comprises a first angle adjustment means for adjusting the first angular relationship. Some embodiments also include a means for transmitting images formed from the left and right sub-beams, the images having a second angular relationship related to a vergence angle at which a user's eyes view the object. By controlling the relative angles defined by first and second angular relationships, a degree of stereoscopy with which the user can view the object can be varied.

Three dimensional (3D) glasses, a 3D display apparatus, and a 3D glasses charging system are provided. The 3D glasses, which operate in association with a 3D display apparatus, includes an interface unit which is configured to connect to the 3D display apparatus, and through which power is transmittable; a battery unit which supplies power to the 3D glasses; and a charging unit which is connected to the interface unit and the battery unit, and receives power input from the interface unit and charges the battery unit using the input power.

Disclosed herein are systems, methods, and apparatuses for deep learning and intelligent sensing system integrations. A processor may be configured to receive a plurality of images from the sensor system, identify objects in the images in an offline mode, classify the objects in the images in the offline mode, generate heat maps in the offline mode, and send instructions regarding operation of the maritime vessel based on the objects that are identified. The visual sensor may be a stereoscopic camera. The processor may be further configured to perform stereoscopy. The instructions may include a speed or a heading of, for example, a maritime vessel.

The invention provides an eyeglass trying on method based on the Internet. The eyeglass trying on method comprises the steps that 1, a three-dimensional eyeglass model base is established and stored in a server; 2, a three-dimensional human head model base is established and stored in the server; 3, a material base and a color base are established and stored in the server; 4, position information of key identification points on the front outline of a user is captured by a camera so that identification can be conducted, the three-dimensional human head model base is called, and the three-dimensional human head model which is the most approximate to the front outlet of the user is found; 5, the three-dimensional eyeglass model base is called, the three-dimensional eyeglass model according with the three-dimensional human head model is found from the three-dimensional eyeglass model base and matched with the three-dimensional human head model, components in the three-dimensional human head model can be switched, and the material and the color of the three-dimensional human head model are set. The invention further comprises an eyeglass trying on system based on the Internet. By the adoption of the eyeglass trying on method and system based on the Internet, three-dimensional matching is used for identifying face images, and the wearing effects of eyeglasses can be observed from each angle; besides, the user can design the eyeglasses by himself or herself.

The present invention provides a virtual-haptic environment that can be used to advantage to simulate and teach surgical procedures. Computer haptics simulates human sense of touch is provides with visual stereoscopy that simulates our natural depth perception and feeling of touch. Integration of these two senses enhances sense of realism. Thus by coupling force-feedback (or haptic) devices with a stereoscopic display, results in the illusion of being “inside” a virtual world, by being able to “see” and “touch and feel” 3D virtual environment. The computer based (on a PC using NT operating system) present invention provides an inexpensive, easy-to-use technique for generating a stereoscopic-haptic environment that provides a realistic virtual touch and see environment and dynamically adding haptic characteristics.

Provided is a visual fatigue-measuring apparatus capable of accurately measuring a viewer's visual fatigue without interrupting the viewing of a three-dimensional video such as a game. The apparatus is equipped with: a video display unit (120) for displaying a three-dimensional video; a test interval-determining unit (190) that determines two or more time intervals for a test that measures visual fatigue; an eye movement-acquiring unit (200) that acquires data representing the left and right eye movements of a player (100) in response to a displayed video; an eye movement-extracting unit (220) for extracting, from the acquired data representing the eye movements, data representing the respective eye movements during the two or more time intervals determined by the test interval-determining unit (190); an eye movement-comparing unit (230) that compares the eye movements in the two or more time intervals on the basis of the extracted data; and a fatigue-assessing unit (240) that assesses the visual fatigue of the player (100) from the results of the comparison.

A dual-sensor stethoscope, or retrofit device for a stethoscope, promotes anti-sepsis and stereoscopy through use of a substantially rigid, generally T-shaped tube for support of dual stethoscope sensors, wherein at least one sensor is electronic. Each sensor may be rotated away from a body independently for use of a single head or rotated into the same general plane for dual-head stereoscopy. A clinician can create a spatial, three-dimensional (3D) antiseptic barrier and avoid the need to carry multiple stethoscopes. During stereoscopy, the use of a common tube or earphones allows the transmission of sound with constructive interference of sound waves. The substantially rigid, generally T-shaped support tube allows a clinician to auscultate with one hand and monitor two locations without transference of pathogens.

A display device is provided. The display device includes a signal receiving unit which receives an image signal including a left image and a right image; a signal processing unit which processes the image signal received by the signal receiving unit; a display unit which displays a three-dimensional image based on the image signal processed by the signal processing unit; a user input unit which receives user input regarding an operation mode of the three-dimensional glasses; a synchronizing signal output unit which outputs a synchronizing signal to open and close the left shutter and the right shutter of the three-dimensional glasses corresponding to the left image and the right image, respectively; and a controller which controls the synchronizing signal output unit to output the synchronizing signal based on the operation mode of the three-dimensional glasses obtained from the received user input.

An interocular luminance analyzing unit analyzes luminance perceived between eyes of an observer based on a luminance distribution image, thereby generating a stereoscopy determination image, a stereoscopy determining unit determines a stereoscopy possible region based on this stereoscopy determination image. This is applicable irrespective of the kind of 3D displays including the two-view type, the multi-view type, and the integral type. Therefore, with the apparatus for evaluating optical properties of a 3D display and the method for evaluating optical properties of a 3D display, the evaluation of optical properties can be performed independently of the kind of 3D displays.

Disclosed are shutter glasses for viewing a stereoscopic image including: a left-eye shutter; a right-eye shutter; and a controller which generates an error signal indicating an error if at least one of a first and a second error condition exists, wherein the first error condition is internal to the shutter glasses, and the second error condition is external to the shutter glasses.

The invention provides a head-mounted display to visualize a medium through a surface by displaying an image characterizing the medium under the surface provided by a profiling system and referenced in the real environment of the user. An image of the medium under the surface is projected in front of one or both eyes of a person wearing the head-mounted display, in superimposition with the real environment of the user. The head-mounted display comprises a positioning sensor, such as an inertial positioning sensor, for determining its position and orientation in the real environment. As the user moves around the medium, the image of the medium is updated to display the medium as if it could be seen through the surface. In one embodiment of the invention, the image of the medium under surface is displayed in stereoscopy, the user thereby visualizing the medium in three dimensions.

The invention discloses a multi-spectrum calibration board for visible light stereoscopy and infrared stereoscopy and a calibration device. A plurality of patterns of one or more types in arbitrary combinations are distributed on the calibration board; the patterns include patterns formed by intersection of N straight lines with vertexes, closed patterns formed by closing of M straight lines and curves and circular patterns or oval patterns, wherein N is greater than equal to 2, and M is greater than or equal to 1; and the calibration board and the patterns are made of tinfoil paper or black paper, and adjacent calibration board parts and patterns are made of different materials. The calibration device comprises the calibration board (1), a movable stretching support (2) and a rotary support (3), wherein the rotary support (3) is installed on the upper portion of the movable stretching support (2), and the calibration board (1) is connected to the rotary support (3). Through the scheme, production is simple, usage is convenient, and the calibration result is precise.

A stereoscopic display device is provided that enables stereoscopy for various viewing positions. A stereoscopic display device (1) includes: a display panel (14) configured to display images for a plurality of viewpoints, the images having parallax and being arranged regularly; a light beam convertor (11) disposed adjacent the front side of the display panel (14) configured to form virtual lenticular lenses by controlling a voltage, the lenticular lenses adapted to the images on the display panel (14) and being arranged at a certain interval; and a controller configured to control the display panel (14) and the light beam convertor (11). The controller changes the focal length of the virtual lenticular lenses formed by the light beam convertor (11) depending on the distance between the display panel (14) and a viewer.