Patent application number | Description | Published |
20090153556 | Ray tracing device based on a pixel processing element and method thereof - A pixel processing element (PPE)-based ray tracing device, includes an internal shared memory for receiving and storing image data to be rendered; a PPE processor for performing parallel ray tracing on the image data on a pixel-by-pixel basis; and a shading processor for accumulatively calculating color values of respective pixels obtained by ray tracing and determining a final color value of each pixel. Further, A PPE-based ray tracing method, includes receiving image data to be rendered on a frame-by-frame basis; storing data having a high frequency of use among the input data in a hierarchical cache; performing parallel ray tracing on image data of each pixel stored in the hierarchical cache on a frame-by-frame basis; calculating a color value of each pixel from first and second rays and a direct ray in accordance with the ray tracing result, and accumulating the color values to obtain the color value of each pixel. | 06-18-2009 |
20100134489 | IMAGE SYNTHESIS APPARATUS AND METHOD SUPPORTING MEASURED MATERIALS PROPERTIES - An image synthesis apparatus supporting measured materials properties includes an input unit for receiving from a user selected information on material information processing, sampling and rendering; a material information processing unit for converting measured material data into raw material data, performing material model fitting on the raw material data to generate material information and performing material mixing on the material information to generate mixed material information, wherein the model fitting and the material mixing is performed according to the selected information; and a sampling unit for sampling the raw material data to generate sampling information. The apparatus further includes a materials properties rendering unit for rendering scene information contained in the selected information, the mixed material information and the sampling information to generate surface material information; and an output unit for visualizing the material information and the surface material information. | 06-03-2010 |
20100157081 | RENDERING SYSTEM AND DATA PROCESSING METHOD USING SAME - A rendering system includes a data input unit for reading depth information of a deep render buffer obtained by rendering; a camera lens sampling unit for sampling surface data of a lens provided in a camera; a deep render buffer reconstruction unit referring to pixel location information of the deep render buffer to reconstruct a deep render buffer at a new camera position, wherein the camera position corresponds to a sampling result from the camera lens sampling unit. The rendering system further includes a render image generation unit for generating a render image at the camera position from the reconstructed deep render buffer; and an image accumulation unit for accumulating the render image at the camera position. | 06-24-2010 |
20110050694 | SYSTEM AND METHOD FOR RENDERING HAIR IMAGE - Provided are a system and method for rendering hair image which smoothly and vividly render a fiber type of long and slim object like hair when creating 3D content. The system includes a sampling point setting module, a transparency determination module and a color value determination module. The sampling point setting module sets a plurality of sampling points in a hair geometry region. The transparency determination module determines transparency of a pixel the hair geometry region, on the basis of the sampling point. The color value determination module determines a color value of the pixel on the basis of shading values for each of the sampling points. | 03-03-2011 |
20110142336 | SIMILAR SHADER SEARCH APPARATUS AND METHOD USING IMAGE FEATURE EXTRACTION - A similar shader search apparatus using image feature extraction includes: an image extraction unit configured to classify color, texture, pattern features of a 2D image, into a color feature set, a texture feature set, and a pattern feature set, numerically analyze the respective feature sets, and extract a feature value of the image; a shader extraction unit configured to analyze a predetermined stored shader, classify features having an effect upon color, texture, and pattern into a color feature set, a texture feature set, and a pattern feature set, numerically analyze the respective feature sets, and extract a feature value of the shader; and a distance function calculation unit configured to receive the image feature value and the shader feature value, calculate the similarity of color between the image and the shader, and calculate the similarity of texture between the image and the shader using the Euclidean distance function. | 06-16-2011 |
20110148871 | APPARATUS AND METHOD FOR RENDERING WOVEN FABRIC MATERIAL BASED ON TYPE OF WEAVE - Disclosed herein are an apparatus and method for rendering woven fabric material based on a type of weave. The apparatus includes an input unit, a database (DB), a control unit, and a display unit. The input unit receives information about the type of weave and the material properties of the surface of a woven fabric object. The DB stores information about correlations between the types of weave and the material properties of the woven fabric objects and mathematical Bi-directional Reflectance Distribution Function (BRDF). The control unit searches the DB for rule data based on search condition information inputted from the input unit, and renders the woven fabric material. The display unit displays a rendered virtual woven fabric object in response to a control signal from the control unit. | 06-23-2011 |
20110149042 | METHOD AND APPARATUS FOR GENERATING A STEREOSCOPIC IMAGE - Provided is a method for generating stereoscopic image fedback by the interaction with a real world. Even though the method according to the related art interacts the user with the virtual object or forms the stereoscopic image without interacting with the object in the user space by controlling the virtual object using a separate apparatus, the present invention feedbacks the interaction between all the object in the user space including the object and users in the virtual space to the video reproducing system to implement a system for re-processing and reproducing the stereoscopic image, thereby making it possible to produce realistic stereoscopic image. | 06-23-2011 |
20120139838 | APPARATUS AND METHOD FOR PROVIDING CONTACTLESS GRAPHIC USER INTERFACE - Disclosed herein are an apparatus and method for providing a contactless Graphical User Interface (GUI). The apparatus for providing a contactless GUI includes a basic information management unit, a pointer tracking unit, and a mouse event management unit. The basic information management unit receives finger image information, and generates basic pointer information for a mouse pointer service. The pointer tracking unit analyzes the finger image information based on the basic pointer information, and generates a mouse operation event by tracking a mouse operation in order to control a mouse pointer based on results of the analysis. The mouse event management unit analyzes the mouse operation event, and generates an operation message corresponding to the mouse operation. The pointer tracking unit tracks the mouse operation by calculating the movement distance of the tips of a thumb and an index finger based on the finger image information. | 06-07-2012 |
20120148146 | SYSTEM FOR MAKING 3D CONTENTS PROVIDED WITH VISUAL FATIGUE MINIMIZATION AND METHOD OF THE SAME - Disclosed are a system for making 3D contents provided with visual fatigue minimization and a method of the same. More particularly, an exemplary embodiment of the present invention provides a system for making 3D contents including: a human factor information unit generating guide information for making 3D contents by considering factors causing visual fatigue of the 3D contents; and a 3D contents making unit applying guide information generated by the human factor information unit to 3D contents data inputted for making the 3D contents to make the 3D contents, and a method of making 3D contents. | 06-14-2012 |
20120154546 | APPARATUS AND METHOD FOR CAPTURING STEREOGRAPHIC IMAGES - Disclosed herein are an apparatus and method for capturing stereographic images. The apparatus includes two cameras, a screen unit, and a processing unit. The two cameras capture left and right images, respectively. The screen unit receives a matching region between the left and right images from a user. The processing unit corrects errors corresponding to the two cameras based on the matching region, and captures a stereographic image. | 06-21-2012 |
20120162385 | APPARATUS AND METHOD FOR ACQUIRING 3D DEPTH INFORMATION - Disclosed herein are an apparatus and method for acquiring 3D depth information. The apparatus includes a pattern projection unit, an image acquisition unit, and an operation unit. The pattern projection unit projects light, radiated by an infrared light source, into a space in a form of a pattern. The image acquisition unit acquires an image corresponding to the pattern using at least one camera. The operation unit extracts a pattern from the image, analyzes results of the extraction, and calculates information about a 3D distance between objects existing in the space. | 06-28-2012 |
20130021245 | INTERACTIVE CONTENT CONTROL METHOD AND USER INTERFACE APPARATUS USING THE SAME - An interactive content control method and a user interface apparatus using the same are provided. The interactive content control method detects a reference length which becomes a reference for controlling interactive content according to a movement of a user, on the basis of skeletal information of the user, detects a comparison length on the basis of the skeletal information, and controls the interactive content according to a result of comparing the reference length and the comparison length. Accordingly, the present invention can provide a highly interactive user interface environment. | 01-24-2013 |
20130089254 | APPARATUS AND METHOD FOR CORRECTING STEREOSCOPIC IMAGE USING MATCHING INFORMATION - An apparatus for correcting a stereoscopic image using matching information, includes: a matching information visualizer receiving input of original stereoscopic images and intuitive matching information and visualizing a pair of stereoscopic images based on the intuitive matching information; a correction information processor obtaining a statistical camera parameter based on the intuitive matching information and correcting the received stereoscopic image using the statistical camera parameter; and an error allowable controller providing allowable error information to the correction information processor in consideration of an error allowable degree according to a selected time from the received intuitive matching information and preset human factor guide information, to extract a correlation between stereoscopic images using a stereoscopic image and provided information, thereby helping such that an erroneously photographed image is correctly photographed or correcting the image such that the erroneously photographed image is correctly interpreted, which leads to minimization of visual fatigue. | 04-11-2013 |
20130236099 | APPARATUS AND METHOD FOR EXTRACTING FOREGROUND LAYER IN IMAGE SEQUENCE - Disclosed are an apparatus and a method for extracting a foreground layer from an image sequence that extract a foreground object layer area in which a depth value is discontinuous with that of a background from an input image sequence. By using the present disclosure, the layer area is automatically tracked in the subsequent frames through user's setting in the start frame in the image sequence in which the depth values of the foreground and the background are discontinuous, thereby extracting the foreground layer area in which the drift phenomenon and the flickering phenomenon are reduced. | 09-12-2013 |
20130266212 | METHOD AND APPARATUS FOR CONVERTING 2D VIDEO IMAGE INTO 3D VIDEO IMAGE - A method of converting a two-dimensional video to a three-dimensional video, the method comprising: comparing an image of an n | 10-10-2013 |
20140071044 | DEVICE AND METHOD FOR USER INTERFACING, AND TERMINAL USING THE SAME - There are provided a device and method for user interfacing, and a terminal using the same. The user interfacing method includes setting a reference image of an object to be used for user interfacing, recognizing the object to be used for user interfacing from input user-related images, determining depth-related movement of the object by comparing the recognized object and the reference image, and operating an application according to the depth-related movement of the object. Therefore, it is possible to control the terminal using user movement with respect to a distance between the terminal used by the user and the user. | 03-13-2014 |
20140125778 | SYSTEM FOR PRODUCING STEREOSCOPIC IMAGES WITH A HOLE FILLING ALGORITHM AND METHOD THEREOF - Disclosed are a system for producing stereoscopic images with a hole filling algorithm, and a method thereof. A system for producing stereoscopic images according to an exemplary embodiment of the present invention includes: a movement area detecting unit examining a movement area for an object moved in an image, detecting/tracking changes of the movement area by dividing a front view and a background of the movement area, and providing result information; a filling error processing unit filling a hole detected by the movement area detecting unit and correcting a filled filling region; and a stereoscopic image visualizing unit visualizing a stereoscopic image corrected by the filling error processing unit. | 05-08-2014 |
20140204020 | INTERACTIVE CONTENT CONTROL DEVICE BASED ON L-SHAPED DISPLAY AND CONTROL METHOD THEREOF - Provided are an interactive content control device and an interactive content control method capable of increasing immersion in content, which include a front display unit that displays content images, a lower side display unit which is configured to form an L shape with the front display unit, displays content images, and interworks with the front display unit, a sensor unit that senses user movements and provides detected sensing information, and a controller that controls interworking of content displayed on the front display unit and the lower side display unit based on the sensing information. Accordingly, a sense of physical distance from the user may be reduced and the user experiences more immersive content and a variety of interfaces may be utilized in content. | 07-24-2014 |
20140292748 | SYSTEM AND METHOD FOR PROVIDING STEREOSCOPIC IMAGE BY ADJUSTING DEPTH VALUE - Provided is a system and method for providing a stereoscopic image by adjusting a depth value, the system including a depth value estimator to estimate a depth value of an object included in a first stereoscopic image from the stereoscopic image, a depth value adjusting unit to adjust the depth value in consideration of a display device, a stereoscopic image processing unit to process the first stereoscopic image to be a second stereoscopic image based on the adjusted depth value, and a stereoscopic image provider to provide the second stereoscopic image to the display device. | 10-02-2014 |
20140293019 | APPARATUS AND METHOD FOR PRODUCING STEREOSCOPIC SUBTITLES BY ANALYZING THREE-DIMENSIONAL (3D) SPACE - An apparatus and method of producing stereoscopic subtitles by analyzing a three-dimensional (3D) space is disclosed, the apparatus including a camera position calculator to calculate a position of a first camera and a position of a second camera from a first image and a second image, respectively, a subtitle flat arranger to arrange a subtitle flat using a viewing direction of the first camera and a viewing direction of the second camera at the calculated positions, and a subtitle producer to produce subtitles using the subtitle flat. | 10-02-2014 |
20140313123 | PROJECTOR FOR PROJECTING PATTERN FOR MOTION RECOGNITION AND MOTION RECOGNITION APPARATUS AND METHOD USING THE SAME - Provided are a projector that projects a pattern for user motion recognition and a motion recognition apparatus and method using the projector. The projector includes a light generation unit, a light guide unit configured to guide light generated from the light generation unit in a predetermined direction, a collimating lens configured to collimate the light transmitted from the light guide unit, and a diffractive optical element (DOE) configured to generate the pattern using the light passing through the collimating lens. | 10-23-2014 |