Abstract: A method for operating an electronic device is provided. The method includes detecting a plurality of feature points in at least a partial region in a digital image, selecting at least two feature points from the detected plurality of feature points, determining whether there is a probability that an object existing in at least one of a plurality of reference images exists in the digital image, by using at least a portion of the at least two feature points, and determining a pose of the object after the probability that the object exists in the digital image is determined.

Abstract: A method of operating an electronic device is provided. The method includes recognizing at least one object from a digital image, wherein the recognizing of the object includes generating at least one descriptor from the digital image, determining an object in the digital image on a basis of at least one part of the at least one descriptor and identification data corresponding to the at least one reference object, and determining a pose of the object on a basis of at least one part of the reference descriptor corresponding to the determined object and the at least one descriptor.

Abstract: An electronic device and a method of determining brightness gradients of an electronic device are provided. The electronic device includes a memory configured to store a digital image, and a processor configured to process the digital image, wherein the processor is configured to recognize at least one object of the digital image, to determine a descriptor used to recognize the object, to determine the descriptor by using at least one of a location, a direction, and a scale of a feature point on the digital image, to determine brightness gradients of pixels located within an area surrounding the feature point, and to determine the brightness gradients of the pixels based on two or more non-orthogonal fixed directions.

Abstract: An electronic device for fast object recognition is provided. The electronic device includes a first storage unit configured to store digital image data, and a processor configured to recognize an object in first image data, to receive a second object related to the first object in the first image data from a second storage unit, to store the first and second objects in the first storage unit, and to use one or more of the first and second objects stored in the first storage unit to recognize an object in second image data.

Abstract: An electronic device is provided. The electronic device includes a memory configured to store a plurality of digital images and a processor, wherein the processor tracks movement of an object recognized in the plurality of digital images, and the processor detects an amount of movement between the plurality of digital images, and selects one among a plurality of object tracking methods based on at least a part of the amount of the movement.

Abstract: A method of fitting a virtual item using a human body model and a system for providing a fitting service of a virtual item are provided, the method including determining whether a user is located in an experience area, loading a three-dimensional (3D) standard avatar corresponding to setting information input by the user when the user is located in the trial area, obtaining a depth image of the user corresponding to a preset posture, transforming the 3D standard avatar into a user avatar reflecting body characteristics of the user, using a depth image of the user, fitting a virtual item selected by the user to the user avatar, and applying a motion of the user changing in real time to the user avatar to which the virtual item is fitted.

Abstract: A terminal for generating an augmented reality and a method thereof are provided. The terminal includes a camera property information providing server configured to store camera property information associated with one or more cameras, and the terminal is configured to receive, from the camera property information providing server, camera property information associated with a camera included in the terminal and generate an augmented reality based on the stored camera property information when an augmented reality-based application is driven and thus, may provide an augmented reality in which a virtual object is accurately matched to an image.

Abstract: The present disclosure relates to a non-contact switch. More particularly, the non-contact switch includes a button which is disposed at a predetermined position of a housing and operated by an external pressure while being formed, at one end portion thereof, with a magnetic substance; a magnetic field sensor device which is accommodated in the housing to face the magnetic substance and generates an induced voltage depending on an interval between the magnetic field sensor device and the magnetic substance; and a semiconductor device which is driven by the induced voltage generated at the magnetic field sensor device to switch power supplied from a separate battery to a separate load.

Abstract: A method for providing navigation information, a machine-readable storage medium, a mobile terminal and a server are provided. The method includes generating a preview image captured by a camera and location information of the mobile terminal; transmitting the preview image and location information to a server, receiving, from the server, route guide information generated based on the preview image and the location information, and displaying the route guide information to a user.

Abstract: An apparatus for providing an augmented reality service is provided. The apparatus includes a first server configured to provide an augmented reality service for a first region, a second server configured to provide an augmented reality service for a second region that is differentiated from the first region, and a terminal configured to receive information for the second region from any one of the first server and the second server, and at the time of entering the second region from the first region in the course of performing the augmented reality service mode for the first region, configured to output the information for the second region and configured to switch to the augmented reality service performing mode for the second region.

Abstract: A method of changing into a screen of an Augmented Reality (AR) service in a mobile communication terminal including a camera is provided. The method of changing into a screen of an AR service in a mobile communication terminal includes displaying a prior screen different from an AR service screen, detecting a predetermined event to change display of the prior screen to the AR service screen, driving the camera if the predetermined event has been detected, capturing an image using the camera, and displaying the AR service screen rendered based on the image captured by the camera.

Abstract: An apparatus for tracking a location of a wireless terminal based on an image is provided. The apparatus includes an image matching database to store images classified by regions, and a matcher to receive a query image captured by a camera module of the wireless terminal and image matching data that contains region information about where the query image is captured, to search the image matching database for a matching image that corresponds to the image matching data, to determine if the query image matches the matching image, and to send the wireless terminal location information that corresponds to the matching information if the query image matches the matching image.

Abstract: An apparatus and a method for providing a three Dimensional (3D) map showing an area of interest in real time are disclosed. The method includes receiving terminal view information of a plurality of terminals, determining an object of interest on a 3D map based on the received terminal view information; and reconfiguring a 3D map including the object of interest. Position information on an area receiving a lot attention from the public, path information by which the user moves to the area, and a preview image of the area in real time may be provided.

Abstract: A method for displaying an augmented reality image and an electronic device thereof are provided. A method for displaying an augmented reality image in an electronic device includes comparing a target image with a viewpoint conversion image, the comparison determining matching pairs of a plurality of features of the target image and a plurality of features of the viewpoint conversion image and, if the matching pairs are determined, displaying an augmented reality image of the viewpoint conversion image.

Abstract: Disclosed herein is a three-dimensional (3D) object recognition system and method. The 3D object recognition system includes a storage unit for storing an extended randomized forest in which a plurality of randomized trees is included and each of the randomized trees includes a plurality of leaf nodes, training means for extracting a plurality of keypoints from a training target object image, and calculating and storing an object recognition posterior probability distribution and training target object-based keypoint matching posterior probability distributions, and matching means for extracting a plurality of keypoints from a matching target object image, matching the extracted keypoints to a plurality of leaf nodes, recognizing an object using the object recognition posterior probability distributions, and matching the keypoints to keypoints of the recognized object using training target object-based keypoint matching posterior probability distributions stored at the matched leaf nodes.

Abstract: A method for measuring physician efficiency and patient health risk stratification is disclosed. Episodes of care are formed from medical claims data and an output process is performed. Physicians are assigned to report groups, and eligible physicians and episode assignments are determined. Condition-specific episode statistics and weighted episode statistics are calculated, from which physician efficiency scores are determined.

Abstract: The present invention relates to a novel organic electrophosphorescent compounds and a display device comprising the same. The electroluminescent iridium compounds described above can be employed as a light emitting substance having a molecular structure which gives high efficiency in a blue phosphor material.

Abstract: The present invention relates to an electroluminescent material, a process for preparing the same, and a display device containing the same. The electroluminescent compound comprised of the mixture according to the present invention, having high luminescent properties, can be advantageously and easily prepared with high yield.

Abstract: The present invention relates to a novel red organic electrophosphorescent compound and a display device comprising the same. The phosphor compounds according to the present invention provide red phosphor compounds exhibiting more pure red color than conventional red phosphors and red phosphors having a light emitting property of high efficiency even in a low doping concentration, as well as the property of pure red color mentioned above.

Abstract: The present invention is related to organic electroluminescent compounds, methods of their preparation, and electroluminescent devices adopting them as electroluminescent materials.