Abstract: A method and an apparatus for virtual training based on tangible interaction are provided. The apparatus acquires data for virtual training, and acquires a three-dimensional position of a real object based on a depth image and color image of the real object and infrared (IR) data included in the obtained data. Then, virtualization of an overall appearance of a user is performed by extracting a depth from depth information on a user image included in the obtained data and matching the extracted depth with the color information, and depth data and color data for the user obtained according to virtualization of the user is visualized in virtual training content. In addition, the apparatus performs correction on joint information using the joint information and the depth information included in the obtained data, estimates a posture of the user using the corrected joint information, and estimates a posture of a training tool using the depth information and IR data included in the obtained data.

Abstract: A method of supporting self-learning and a system for performing the method are disclosed. The method includes estimating an object of interest of a user in content based on user performance information inputted by the user in response to content situation information and the content being received from a learning module including the content, analyzing the content situation information, determining whether to generate support information for supporting the user to perform the content based on the estimated object of interest and the analyzed content situation information, and generating the support information that allows the user to self-learn the content according to whether to generate the support information, and outputting the support information to the learning module.

Abstract: Provided is a system for education in augmented reality (AR) for technology education in AR, The system for education in AR includes an instructor terminal configured to, in order to guide training of at least one learner on site or remotely using AR content, identify a training process of the trainee and generate training support information, an AR service providing server configured to manage the instructor terminal and a learner terminal that participate in the training using the AR content based on a request of the instructor terminal, and at least one learner terminal configured to transmit content training information to the AR service providing server.

Abstract: A method of supporting self-learning and a system for performing the method are disclosed. The method includes estimating an object of interest of a user in content based on user performance information inputted by the user in response to content situation information and the content being received from a learning module including the content, analyzing the content situation information, determining whether to generate support information for supporting the user to perform the content based on the estimated object of interest and the analyzed content situation information, and generating the support information that allows the user to self-learn the content according to whether to generate the support information, and outputting the support information to the learning module.

Abstract: A virtual content providing device includes: a communication circuit capable of communicating with a wearable device worn by a user; and a processor functionally connected to the communication circuit. The processor is configured to: display virtual training content on the wearable device through the communication circuit; generate training situation information and user condition information associated with the virtual training content through the wearable device; determine a intervention time point for the virtual training content based on the training situation information and the user condition information; generate virtual intervention content associated with the intervention time point; and display the virtual intervention content in synchronization with the virtual training content through the wearable device.

Abstract: Provided are an apparatus and method for experiencing an augmented reality (AR)-based screen sports match which enable even a child, an elderly person, and a person with a disability to easily and safely experience a ball sports match, such as tennis, badminton, or squash, as a screen sports match without using a wearable marker or sensor, a wearable display, an actual ball, and an actual tool.

Abstract: A method and an apparatus for virtual training based on tangible interaction are provided. The apparatus acquires data for virtual training, and acquires a three-dimensional position of a real object based on a depth image and color image of the real object and infrared (IR) data included in the obtained data. Then, virtualization of an overall appearance of a user is performed by extracting a depth from depth information on a user image included in the obtained data and matching the extracted depth with the color information, and depth data and color data for the user obtained according to virtualization of the user is visualized in virtual training content. In addition, the apparatus performs correction on joint information using the joint information and the depth information included in the obtained data, estimates a posture of the user using the corrected joint information, and estimates a posture of a training tool using the depth information and IR data included in the obtained data.

Abstract: Provided are an apparatus and method for experiencing an augmented reality (AR)-based screen sports match which enable even a child, an elderly person, and a person with a disability to easily and safely experience a ball sports match, such as tennis, badminton, or squash, as a screen sports match without using a wearable marker or sensor, a wearable display, an actual ball, and an actual tool.

Abstract: A virtual content providing device includes: a communication circuit capable of communicating with a wearable device worn by a user; and a processor functionally connected to the communication circuit. The processor is configured to: display virtual training content on the wearable device through the communication circuit; generate training situation information and user condition information associated with the virtual training content through the wearable device; determine a intervention time point for the virtual training content based on the training situation information and the user condition information; generate virtual intervention content associated with the intervention time point; and display the virtual intervention content in synchronization with the virtual training content through the wearable device.

Abstract: A method of recognizing motions of a plurality of users through a motion recognition apparatus includes acquiring a plurality of depth images from a plurality of depth sensors disposed at different positions, extracting user depth data corresponding to a user area from each of the plurality of depth images, allocating a label ID of each user to the extracted user depth data; matching the label ID for each frame of the depth images, and tracking a joint position for the user depth data on the basis of a result of the matching.

Abstract: Provided is an alternative text generating method. The alternative text generating method includes recognizing input visual content, generating input information corresponding to a recognition result of the recognition of the visual content, generating an editing window including an input item to which the input information is automatically input, automatically generating an alternative text, based on an alternative text generation rule and the input information, and displaying the generated alternative text on a text box of the editing window.

Abstract: The present disclosure relates to an advertisement providing server and an advertisement schedule generating method performed by the advertisement providing server. Specifically, the advertisement schedule generating method collects an advertisement viewing history of a user and schedules an advertisement suitable for the user by time based on the advertisement viewing history.

Abstract: An apparatus and method for recognizing an object using correlation information about an object and content-related information which is generated based on the content-related information. The apparatus includes a data classifier, a data analyzer, a correlation manager, and an object identifier.

Abstract: An apparatus and method for recognizing an object using correlation information about an object and content-related information which is generated based on the content-related information. The apparatus includes a data classifier, a data analyzer, a correlation manager, and an object identifier.

Abstract: An apparatus and method for recognizing an object are provided. The apparatus includes an input component configured to receive an input image that includes a target object, and a processor configured to recognize a target object in the received image using image-object correlation information that represents a correlation between an image and an object.

Abstract: An apparatus and method for recommending contents based on a metadata graph are provided. The apparatus includes a contents metadata acquirer configured to acquire metadata of contents, a contents-related data acquirer configured to acquire contents-related data from the Web, a metadata graph generator configured to analyze acquired contents metadata and contents-related data to generate a metadata graph, a metadata graph DB configured to store a metadata graph generated by the metadata graph generator, and a contents recommender configured to search for contents that are similar to specific contents viewed by a user through a contents output terminal using the metadata graph stored in the metadata graph DB, and recommend the searched contents to the user through the contents output terminal.

Abstract: An apparatus for service mobile node decision based on user history information includes: an information management unit configured to manage information of the node and the service and history information of the node and the service; a monitoring unit configured to monitor whether or not the node is usable and monitor the node and the service the user is currently using; and a service mobile node decision unit configured to decide the node which is capable of service mobility according to situations, based on the information of the node and the service, the history information, and the monitored information.

Abstract: An apparatus for recommending content based on a user's emotion. The apparatus includes an emotion information acquiring unit configured to acquire emotion information of a user at the time of use of particular content; an emotion information managing unit configured to store and manage emotion information corresponding to the particular content; and a content recommending unit configured to search for and recommend content corresponding to an emotion-descriptive word which is input by the user to request content search.

Abstract: Disclosed are an apparatus and a method for providing an API for sharing contents which provides the API including a function capable of sharing contents during a video call or video conference in a platform including an open web service gateway by using functions provided from the open web service gateway. The apparatus for providing an API for sharing contents during video communication in a platform including an open web service gateway includes: a video communication control unit configured to acquire connection state information of terminals receiving a video communication request; and a contents sharing control unit configured to receive the connection state information of the terminals from the video communication control unit and process a contents sharing request.