Abstract: A method and system of restoring an image using a frequency-based image model is provided. A method of restoring an image using a frequency-based image model, the method including: transforming an original image into a frequency domain and generating a transformation image; copying the transformation image in any one domain of domains in which the original image is extended and which are divided into blocks; and inferring a high frequency component of block domains, and restoring the block using the transformation image copied in the any one domain.

Abstract: An apparatus for and a method of removing a moire pattern of a digital imaging device are provided. It is determined whether or not a moire pattern is created based on an image frequency of a preview image and a spatial frequency of an image sensor, and when it is determined that a moire pattern is generated, an optical path of light incident to an image sensor is slightly changed to remove the moire pattern. Accordingly, image quality deterioration can be improved, and a problem of unnecessary filtering that causes deterioration of resolution even when there is no moire pattern can be enhanced.

Abstract: A display method of a Three-Dimensional (3D) display apparatus is provided. The display method includes displaying a first display element having a first depth value; adjusting at least one depth value of the first display element and a second display element having a second depth value to be displayed in superimposition with or displayed on the first display element in a state where the first display element having the first depth value is displayed; and displaying the first display element and the second display element in superimposition with the first display element or on the first display element, of which the depth value has been adjusted, wherein at least one of the first display element and the second display element is displayed with an adjusted depth value. Accordingly, a user's attention and recognition can be heightened in executing the User Interface (UI).

Abstract: A pointing input device and method, a pointer control device and method, and an image pattern generation device and method which move a mouse pointer displayed in a display region according to the movement of a location pointed at by the pointing input device. The pointing input device includes an image reception unit capturing an image pattern, which is displayed in a display region of a perceived size and based on which the scope of the display region is sensed, and sensing the scope of the image pattern; a coordinate extraction unit extracting coordinates of a location pointed at in the display region based on a center of the sensed scope of the image pattern; and a transmission unit transmitting the extracted coordinates to a pointer control device which controls a mouse pointer displayed in the display region.

Abstract: A method and apparatus for displaying an alternative object while reproducing three-dimensional (3D) content. The method includes reproducing the 3D content; during the reproducing of the 3D content, detecting an interrupt signal; determining a maximum depth value of the 3D content in response to detecting of the interrupt signal; adjusting a depth value of the 3D content according to the maximum depth value; and controlling a 3D content reproducing apparatus to display the alternative object corresponding to the interrupt signal, wherein the alternative object overlaps the 3D content of which the depth value is adjusted.

Abstract: A method of recognizing a location of a user including detecting the user's two eyes and mouth of their face is provided, which includes calculating a ratio of a distance between the two eyes to a distance between a middle point of the two eyes and the mouth, calculating a rotation angle of the face according to the ratio, and detecting a distance between the face and the camera based on the rotation angle.

Abstract: An image processing method includes segmenting a series of obtained images, calculating a central point of each segment, and obtaining a target object based on movement variance of the central points of segments in the series of images.

Abstract: A method and apparatus are provided for unobtrusively estimating the characteristics of a projection surface, in order to correct the distortion of images resulting from the characteristics of the projection surface in the case of a projector. The method includes projecting at least one reference pixel and at least one counterbalance pixel corresponding to the reference pixel onto consecutive image frames, and correcting an image frame to be projected using correction information determined based on photographic information of the reference pixel.

Abstract: Disclosed are an event structure system and a method and medium for controlling the event structure system. The method includes recognizing multiple-person interaction primitives, composing an event by inference based on temporal relations using the multiple-person interaction primitive, and determining a final event by either eliminating an unnecessary event from the composed event, or adding a new event in the composed event.

Abstract: An apparatus for and a method of removing a moire pattern of a digital imaging device are provided. It is determined whether or not a moire pattern is created based on an image frequency of a preview image and a spatial frequency of an image sensor, and when it is determined that a moire pattern is generated, an optical path of light incident to an image sensor is slightly changed to remove the moire pattern. Accordingly, image quality deterioration can be improved, and a problem of unnecessary filtering that causes deterioration of resolution even when there is no moire pattern can be enhanced.

Abstract: A method and system of restoring an image using a frequency-based image model is provided. A method of restoring an image using a frequency-based image model, the method including: transforming an original image into a frequency domain and generating a transformation image; copying the transformation image in any one domain of domains in which the original image is extended and which are divided into blocks; and inferring a high frequency component of block domains, and restoring the block using the transformation image copied in the any one domain.

Abstract: Provided are an apparatus and method of extracting a discriminative color feature, and an image forming system including: a photographing device to photograph an image of an object; a color feature extracting device receiving the image from the photographing device, extracting a discriminative color feature from the image, generating a final color model of the object, extracting a color blob of the object based on the final color model, performing blob analysis on the extracted color blob, and generating parameters to control a posturing of the photographing device according to the blob analysis; a control device receiving from the color feature extracting device the parameters to control the posturing of the photographing device, and controlling the posturing of the photographing device; a storage device storing the photographed image of the object; and a display device displaying the photographed image of the object.

Abstract: An image correction apparatus, method and medium which can perform color component correction and geometric correction using the property of a projector projecting light of a plurality of color components of an input image at different times is provided. The image correction method includes sequentially projecting light of a plurality of color components of an input image onto a projection surface at different times, acquiring color components of the projected light, and correcting the input image by comparing the acquired color components with the color components of the input image.

Abstract: An image compensation system, method and medium that can reduce the amount of computation required for image compensation.

Abstract: A system, medium, and method measuring a geometric reliability index, e.g., in image compensation, and more particularly, a system, medium, and method measuring a geometric reliability index in image compensation that can measure a geometric model of a projection surface onto which an image is projected.

Abstract: A method, medium and apparatus for correcting a projected image is provided. The method includes detecting a pattern image based on photographing information of consecutive image frames into which a reference pattern and an offset pattern corresponding to the reference pattern are alternately inserted and which are projected onto a projection surface accordingly, and correcting projected image frame, based on the detected pattern image.

Abstract: A method and apparatus are provided for unobtrusively estimating the characteristics of a projection surface, in order to correct the distortion of images resulting from the characteristics of the projection surface in the case of a projector. The method includes projecting at least one reference pixel and at least one counterbalance pixel corresponding to the reference pixel onto consecutive image frames, and correcting an image frame to be projected using correction information determined based on photographic information of the reference pixel.

Abstract: A pointing input device and method, a pointer control device and method, and an image pattern generation device and method which move a mouse pointer displayed in a display region according to the movement of a location pointed at by the pointing input device. The pointing input device includes an image reception unit capturing an image pattern, which is displayed in a display region of a perceived size and based on which the scope of the display region is sensed, and sensing the scope of the image pattern; a coordinate extraction unit extracting coordinates of a location pointed at in the display region based on a center of the sensed scope of the image pattern; and a transmission unit transmitting the extracted coordinates to a pointer control device which controls a mouse pointer displayed in the display region.

Abstract: An interface apparatus with: a display module having a plurality of display devices that display an image using electronic paper, a control module that provides enable information needed to enable the respective display devices and image information needed to display the image, a decoding module that decodes the enable information and sequentially transmits the decoded enable information to the display devices, and a graphic processing module that receives the image information from the control module and sequentially transmits the image information to the display devices, wherein the image information is displayed by one or more of the display devices that are enabled according to the enable information.

Abstract: A remote control method and medium, a control device and a controlled device of a remote control system. The control device of the remote control system includes an identification information storage unit for storing identification information of the control device and attribute information on a single control function of one or more controlled devices controlled by the control device, a signal generation unit for generating a signal including the identification information and the attribute information, a switch unit for receiving a user's input and activating the signal generation unit, a modulation unit for modulating the generated signal into an omni-directional signal, a transmission unit for broadcasting the modulated signal to the one or more controlled devices, and an attachment unit, positioned on a back face of the control device, for attaching the control device thereto.