Abstract: An authentication system for providing a biometrics-based login service, comprising: a biometrics authentication server; a target client; and a personal information authentication server, wherein a control method of the personal information authentication server in the authentication system comprises the steps of: checking, before a biometrics authentication process is performed, whether mutual trust exists between the personal information authentication server and the target client; obtaining, after it is determined that mutual trust exists between the personal information authentication server and the target client, biometrics for authentication from the target client; checking whether mutual trust exists between the personal information authentication server and the biometrics authentication server; providing, when it is determined that mutual trust exists between the personal information authentication server and the biometrics authentication server, the biometrics for authentication to the biometrics aut

Abstract: Provided is an image generating device including a first lighting unit configured to emit light to an object, a second lighting unit configured to emit light to the object and located at a position different from a position of the first lighting unit, a light receiver configured to receive light reflected from the object when light is emitted to the object from the first lighting unit or the second lighting unit, and an image processor configured to obtain image data based on the light received by the light receiver and process the obtained image data, wherein the image processor obtains a first image based on light reflected from the object when light is emitted from the first lighting unit, obtains a second image based on light reflected from the object when light is emitted from the second lighting, generates a processed image by synthesizing the first image and the second image to correct a pixel value of a light noise region of the first image and/or the second image.

Abstract: Provided is an image generating device including a first lighting unit configured to emit light to an object, a second lighting unit configured to emit light to the object and located at a position different from a position of the first lighting unit, a light receiver configured to receive light reflected from the object when light is emitted to the object from the first lighting unit or the second lighting unit, and an image processor configured to obtain image data based on the light received by the light receiver and process the obtained image data, wherein the image processor obtains a first image based on light reflected from the object when light is emitted from the first lighting unit, obtains a second image based on light reflected from the object when light is emitted from the second lighting, generates a processed image by synthesizing the first image and the second image to correct a pixel value of a light noise region of the first image and/or the second image.

Abstract: The present invention relates to an authentication system for providing a biometrics-based login service, the authentication system comprising: a biometrics authentication server; a target client, and a personal information authentication server, wherein a control method of the personal information authentication server in the authentication system comprises the steps of: checking, before a biometrics authentication process is performed, whether mutual trust exists between the personal information authentication server and the target client; obtaining, after it is determined that mutual trust exists between the personal information authentication server and the target client, biometrics for authentication from the target client; checking whether mutual trust exists between the personal information authentication server and the biometrics authentication server; providing, when it is determined that mutual trust exists between the personal information authentication server and the biometrics authentication serv

Abstract: Provided are control methods of a decryption key storage server, a biometric information storage server, and a matching server in an authentication system.

Abstract: A content providing apparatus, system, and method for recommending content. The method includes: receiving user information from a display apparatus; determining whether a terminal apparatus of a user is registered, based on the received user information; when the terminal apparatus is determined to be registered, determining whether recommended content for the user exists, based on pattern information about content usage of the user and content information; and when the recommended content for the user is determined to exist, transmitting a notification message for the recommended content to the terminal apparatus. Therefore, utilization of a notification service for recommended content is further improved.

Abstract: Provided are control methods of a decryption key storage server, a biometric information storage server, and a matching server in an authentication system.

Abstract: A method including acquiring a source image and depth information of the source image, determining, using depth information, an overlapping region in which some pixels of a source image are shifted and a plurality of pixels overlap, calculating a weight for the overlapping region with a processor, using distance information with respect to a foreground region of the source image and a background region of the source image, generating, using the depth information and the overlapping region, a foreground-depth image in which the foreground region is extended and a background-depth image in which the background region is extended, generating a foreground image using the source image and the foreground-depth image, generating a background image using the source and the background-depth image, and generating, using the weight from the overlapping region, at least one of a left-eye image and a right-eye image by synthesizing the foreground image and the background image.

Abstract: An image processing apparatus and method include a receiver configured to receive an image, a display configured to display the received image, an extractor configured to extract a first object contour by applying a preset algorithm to an area of the displayed image designated by a user and extract a second object contour based on the designated area, an image analyzer configured to analyze the displayed image, and a controller configured to determine weight values for the first and second object contours based on an analysis result of the image analyzer and extract an object contour based on the first and second object contours to which the determined weight values are applied. The image processing apparatus extracts an object intended by a user even in a heavily noisy image.

Abstract: Display apparatus and method are provided. The display apparatus may include a receiver for receiving an image; a grouper for analyzing the received image and grouping a plurality of frames of the received image based on the analysis; a depth allocator for determining at least two key frames from a plurality of frames grouped into at least one group, and allocating a depth per object in the determined key frames; and an image generator for generating a 3D image corresponding to other frames excluding the key frames based on a depth value allocated to the key frames. Hence, the display apparatus can allocate the depth value of a higher quality to the object in the frames of the received image.

Abstract: Disclosed are an apparatus and method for converting video contents, each of which converts 2D contents into 3D contents. The method includes: determining an object to be extracted from a plurality of frames which contain 2D contents; determining a respective possession degree of information about the object to be extracted, with regard to each of the plurality of frames; selecting at least one key frame from among the plurality of frames in accordance with the determined possession degrees of information about the object to be extracted; extracting an object with regard to the selected key frame; assigning depth for conversion into 3D contents to the object to be extracted; and performing tracking upon all but the key frame from among the plurality of frames. Accordingly, the 2D-3D conversion can be performed with high accuracy and reliability.

Abstract: A method and apparatus for converting two-dimensional (2D) contents into three-dimensional (3D) contents is disclosed. The method including: displaying a frame, the frame containing an object which will be extracted from among plural frames contained in the 2D contents; designating a boundary region of an object to be extracted on the displayed frame, in accordance with a user command through a user interface (UI) for collectively designating a region; generating a trimap based on the designated boundary region including inner and outer regions of the object to be extracted, and extracting the object based on the generated trimap. With this, a user can more conveniently and efficiently convert 2D contents into 3D contents.

Abstract: A content providing apparatus, system, and method for recommending content. The method includes: receiving user information from a display apparatus; determining whether a terminal apparatus of a user is registered, based on the received user information; when the terminal apparatus is determined to be registered, determining whether recommended content for the user exists, based on pattern information about content usage of the user and content information; and when the recommended content for the user is determined to exist, transmitting a notification message for the recommended content to the terminal apparatus. Therefore, utilization of a notification service for recommended content is further improved.

Abstract: A method including acquiring a source image and depth information of the source image, determining, using depth information, an overlapping region in which some pixels of a source image are shifted and a plurality of pixels overlap, calculating a weight for the overlapping region with a processor, using distance information with respect to a foreground region of the source image and a background region of the source image, generating, using the depth information and the overlapping region, a foreground-depth image in which the foreground region is extended and a background-depth image in which the background region is extended, generating a foreground image using the source image and the foreground-depth image, generating a background image using the source and the background-depth image, and generating, using the weight from the overlapping region, at least one of a left-eye image and a right-eye image by synthesizing the foreground image and the background image.

Abstract: An image processing apparatus and method include a receiver configured to receive an image, a display configured to display the received image, an extractor configured to extract a first object contour by applying a preset algorithm to an area of the displayed image designated by a user and extract a second object contour based on the designated area, an image analyzer configured to analyze the displayed image, and a controller configured to determine weight values for the first and second object contours based on an analysis result of the image analyzer and extract an object contour based on the first and second object contours to which the determined weight values are applied. The image processing apparatus extracts an object intended by a user even in a heavily noisy image.

Abstract: Display apparatus and method are provided. The display apparatus may include a receiver for receiving an image; a grouper for analyzing the received image and grouping a plurality of frames of the received image based on the analysis; a depth allocator for determining at least two key frames from a plurality of frames grouped into at least one group, and allocating a depth per object in the determined key frames; and an image generator for generating a 3D image corresponding to other frames excluding the key frames based on a depth value allocated to the key frames. Hence, the display apparatus can allocate the depth value of a higher quality to the object in the frames of the received image.

Abstract: A method and apparatus for converting two-dimensional (2D) contents into three-dimensional (3D) contents is disclosed. The method including: displaying a frame, the frame containing an object which will be extracted from among plural frames contained in the 2D contents; designating a boundary region of an object to be extracted on the displayed frame, in accordance with a user command through a user interface (UI) for collectively designating a region; generating a trimap based on the designated boundary region including inner and outer regions of the object to be extracted, and extracting the object based on the generated trimap. With this, a user can more conveniently and efficiently convert 2D contents into 3D contents.

Abstract: Disclosed are an apparatus and method for converting 2D video contents into 3D video contents. The method includes: displaying a first work user interface (UI) relating to at least one item for converting 2D contents into 3D contents; by a first worker, determining a working direction relating to performing a conversion upon the at least one item by using the first work UI; displaying a second work UI showing the working direction determined by the first worker; and by a second worker, executing the working direction upon the at least one item by the second work UI. Accordingly, when a plurality of workers performs one or more 2D-3D conversions, work efficiency is improved, and good communication between workers is enabled.

Abstract: Disclosed are an apparatus and method for converting video contents, each of which converts 2D contents into 3D contents. The method includes: determining an object to be extracted from a plurality of frames which contain 2D contents; determining a respective possession degree of information about the object to be extracted, with regard to each of the plurality of frames; selecting at least one key frame from among the plurality of frames in accordance with the determined possession degrees of information about the object to be extracted; extracting an object with regard to the selected key frame; assigning depth for conversion into 3D contents to the object to be extracted; and performing tracking upon all but the key frame from among the plurality of frames. Accordingly, the 2D-3D conversion can be performed with high accuracy and reliability.

Abstract: An apparatus and method for processing an image are provided. The image processing apparatus uses a two-dimensional (2D) video signal and depth information corresponding to the 2D video signal to generate a three-dimensional (3D) video signal includes: an image receiver which receives a 2D video signal containing a background and an object; and an image processor which adjusts a transition area corresponding to a boundary between the object and the background in the depth information, and renders a 3D image from the 2D video signal through the adjusted transition area.