Abstract: An optical imaging system includes a first lens, a second lens, a third lens, and a fourth lens sequentially disposed from an object side toward an image side on an optical axis, and a reflecting member disposed closer to the object side, as compared to the first lens, and having a reflecting surface configured to change a path of light to be incident to the first to fourth lenses. The first to fourth lenses are disposed to be spaced apart from each other by a preset distance along the optical axis, and 1.3<TTL/BFL<3.5, where TTL is a distance from an object-side surface of the first lens to an imaging plane of an image sensor, and BFL is a distance from an image-side surface of the fourth lens to the imaging plane of the image sensor.

Abstract: An apparatus and method for providing virtual reality-based digital optical content for digital optical devices. The apparatus for providing virtual reality-based digital optical content for digital optical devices includes a content management unit for providing at least one piece of digital optical content corresponding to a digital optical device, a content execution unit for executing an optical image corresponding to the at least one piece of digital optical content on a display screen, an adjustment data acquisition unit for acquiring optical image adjustment data that is input by a user of the digital optical device to adjust the optical image, and a virtual camera configuration provision unit for providing virtual camera configuration data corresponding to the at least one piece of digital optical content so as to adjust the optical image in correspondence with the optical image adjustment data.

Abstract: A system and method for virtual tour experience are provided. The system includes an image output module configured to output an image of the content for virtual tour experience, a motion recognition module configured to recognize a physical motion of a user, a content running module configured to control motions of a plurality of objects included in the image of the content for virtual tour experience according to the physical motion recognized by the motion recognition module, and a user interface configured to provide to the user a tangible feedback about a geographic environment in the content for virtual tour experience and changes in the motions of the plurality of objects.

Abstract: Provided are an intuitive interaction apparatus and method. The intuitive interaction apparatus includes a detector configured to detect three-dimensional (3D) information of an object of interest (OOI), including a body part of a first object and an object close to the body part, from a 3D image frame of the first object in an eye-gaze range of the first object and a restorer configured to combine pieces of the 3D information of the OOI detected by the detector and three-dimensionally model the OOI to generate a 3D model which is to be displayed in virtual reality.

Abstract: Provided are an apparatus and method for detecting a plurality of arms and hands by using a three-dimensional (3D) image. The apparatus includes an image input unit configured to acquire a 3D image of an object, an arm detecting unit configured to detect one or more component-unit candidate regions of the object in the 3D image, and detect one or more arm regions by using arm detection feature information, extracted from each of the candidate regions, and a pattern recognition algorithm, and a hand detecting unit configured to calculate a position of a hand and a position of a wrist in each of the arm regions detected by the arm detecting unit, and detect a hand region by using the position of the hand and the position of the wrist.

Abstract: Provided are an apparatus and method for detecting a plurality of arms and hands by using a three-dimensional (3D) image. The apparatus includes an image input unit configured to acquire a 3D image of an object, an arm detecting unit configured to detect one or more component-unit candidate regions of the object in the 3D image, and detect one or more arm regions by using arm detection feature information, extracted from each of the candidate regions, and a pattern recognition algorithm, and a hand detecting unit configured to calculate a position of a hand and a position of a wrist in each of the arm regions detected by the arm detecting unit, and detect a hand region by using the position of the hand and the position of the wrist.

Abstract: An apparatus and method for generating telepresence are disclosed. The apparatus for generating telepresence includes a visual information sensing unit that is mounted on a robot which is located in a remote location, and senses visual information corresponding to a view of the robot, a tactile information sensing unit that is mounted on the robot, and senses tactile information in the remote location, an environmental information sensing unit that is mounted on the robot, and senses environmental information which is information for a physical environment of the remote location, a robot communication unit that receives movement information for movement performed by a user who is located in a space separated from the remote location in correspondence to the visual information, the tactile information, and the environmental information, and a robot control unit that drives the robot based on the movement information.

Abstract: Disclosed is an apparatus for displaying stereoscopic images. The apparatus for displaying stereoscopic images includes a stereoscopic image-generating part, a main display part, a sub-display part, and a translucent reflective structure part. The stereoscopic image-generating part splits a single image to generate a first stereoscopic image to be directly viewed by a user and a second stereoscopic image to be reflected and viewed by the user. The main display part directly displays the first stereoscopic image to a gaze of a user. The sub-display part displays the second stereoscopic image. The translucent reflective structure part reflects the second stereoscopic image displayed on the sub-display part.

Abstract: Provided are a system and method of simultaneously providing stereoscopic images to multiple users. The system includes at least one glasses unit, a stereoscopic image generating device configured to calculate spatial information of the at least one glasses unit, and generate the stereoscopic image corresponding to the spatial information of the at least one glasses unit, and a stereoscopic image providing device configured to project the stereoscopic image corresponding to the spatial information of the at least one glasses unit to provide the projected stereoscopic image to the at least one glasses unit. Thus, through lightweight glasses constituted of only simple optical elements without a separate electronic device such as a micro panel, stereoscopic information such as through an existing HMD may be provided to multiple users.

Abstract: Disclosed herein are a wearable display-based remote collaboration apparatus and method. The wearable display-based remote collaboration apparatus includes an image acquisition unit, a recognition unit, an image processing unit, and a visualization unit. The image acquisition unit obtains image information associated with the present point of time of a worker. The recognition unit recognizes the location and motion of the worker based on the obtained image information. The image processing unit matches a virtual object, corresponding to an object of work included in the obtained image information, with the image information, and matches a motion of the object of work, matched with the image information, with the image information based on manipulation information. The visualization unit visualizes the image information processed by the image processing unit, and outputs the visualized image information.

Abstract: Disclosed is a method for searching a moving route of a cargo on the basis of 3D information, including: acquiring workplace information including depth information by using a camera; generating 3D information on the workplace based on the acquired workplace information; and searching all the possible moving routes for each cargo to move from a start position to a target position on the basis of the generated 3D information to select moving routes for each cargo to move.

Abstract: Disclosed is an apparatus for displaying stereoscopic images. The apparatus for displaying stereoscopic images includes a stereoscopic image-generating part, a main display part, a sub-display part, and a translucent reflective structure part. The stereoscopic image-generating part splits a single image to generate a first stereoscopic image to be directly viewed by a user and a second stereoscopic image to be reflected and viewed by the user. The main display part directly displays the first stereoscopic image to a gaze of a user. The sub-display part displays the second stereoscopic image. The translucent reflective structure part reflects the second stereoscopic image displayed on the sub-display part.

Abstract: Various 3D image display devices divide and share a physical space for expressing a 3D image, and real-time contents information is generated based on user information and information on the divided space and displayed together using various 3D image display devices to present a 3D image naturally in a deeper, wider, and higher space. A mixed reality display platform includes an input/output controller controlling display devices including 3D display devices, an advance information manager establishing 3D expression space for each display device to divide or share a physical space by collecting spatial establishment of the display device, and a real-time information controller generating real-time contents information using user information and 3D contents for a virtual space. The input/output controller distributes the real-time contents information to each display device based on the 3D expression spatial information.

Abstract: Disclosed herein is a reconfigurable platform management apparatus for a virtual reality-based training simulator, which enables a device platform to be reconfigured to suit various work environments and to fulfill various work scenario requirements of users. The reconfigurable platform management apparatus for a virtual reality-based training simulator includes an image output unit for outputting a stereoscopic image of mixed reality content that is used for work training of a user. A user working tool unit generates virtual sensation feedback corresponding to sensation feedback generated based on a user's motion to the outputted stereoscopic image when working with an actual working tool. A tracking unit transmits a sensing signal obtained by sensing a user's motion working tool unit to the image output unit and the user working tool unit.

Abstract: Disclosed herein is an assembly process visualization apparatus. The assembly process visualization apparatus includes an authoring unit, a storage unit, and a visualization unit. The authoring unit authors an assembly process manual in such a way as to model each stage of an assembly process of assembling a plurality of components and completing a finished product using 3-Dimensional (3D) stereoscopic images. The storage unit stores the assembly process manual authored using the authoring unit. The visualization unit visualizes the each stage of the assembly process manual stored in the storage unit to a user.

Abstract: A design evaluation system of mobile devices using virtual reality based prototypes is proposed. The system includes: a storage unit for storing therein 3-dimensional computer-aided design data of a virtual mobile device; a component selection unit for performing a selection among the 3-dimensional computer-aided design data stored in the storage unit and fetching the selected data therefrom; a design parameter setting unit for setting design parameters of the virtual mobile device; a 3-dimensional model visualization unit for visualizing the virtual mobile device to a 3-dimensional model by using the design parameters and the fetched data; a product motion control unit for simulating motions and functions of the visualized virtual mobile device; and a design preference display unit for displaying user design preference for the visualized and simulated virtual mobile device.

Abstract: A system for evaluating usability of a virtual mobile information appliance unites a virtual reality technology integrating various digital data created in planning and in designing a product to operate a virtual product and visualizing the virtual product in photo-realistic level, an affective technology organizing a customer's emotional evaluation on a product's design in view of engineering, an ergonomic technology quantatively measuring and analyzing body force activity involved in the operation of a product in a biomechanic manner, and a mixed reality technology supporting both tangible interface capable of directly touching the digital data and a photo-realistic visualization, to thereby finding problems of usability early, obtaining improvements such as a design of the product, improving efficiently an overall quality of the product and managing product-lifetime-cycle in a company manufacturing the product.

Abstract: A design evaluation system of mobile devices using virtual reality based prototypes is proposed. The system includes: a storage unit for storing therein 3-dimensional computer-aided design data of a virtual mobile device; a component selection unit for performing a selection among the 3-dimensional computer-aided design data stored in the storage unit and fetching the selected data therefrom; a design parameter setting unit for setting design parameters of the virtual mobile device; a 3-dimensional model visualization unit for visualizing the virtual mobile device to a 3-dimensional model by using the design parameters and the fetched data; a product motion control unit for simulating motions and functions of the visualized virtual mobile device; and a design preference display unit for displaying user design preference for the visualized and simulated virtual mobile device.