Patents by Inventor Bon-Ki Koo
Bon-Ki Koo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20130201188Abstract: Disclosed is an apparatus and method for generating a pre-visualization image supporting functions of simulating interactions between the digital actor motion, the virtual space, and the virtual shooting device motion in an actual space and previewing the image by using a virtual camera and a virtual space including a 3D digital actor in an image production operation. Thus, according to the present invention, it is possible to support more effective image production.Type: ApplicationFiled: August 14, 2012Publication date: August 8, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Yoon Seok CHOI, Do Hyung KIM, Jeung Chul PARK, Ji Hyung LEE, Bon Ki KOO
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Patent number: 8478033Abstract: An image inspection apparatus determines whether a test image is a copy of an original image. The image inspection apparatus includes an image group generation unit that determines one or more types of image transform, and transforms the original image according to the determined types of image transform to generate an original image group; a spatial color difference computing unit that transforms a color space of the generated original image group, and calculates first spatial color differences between the original image and images in the original image group to provide color difference data; an image inspection unit that receives the test image and the original image group to calculate second spatial color differences between the test image and the images in the original image group, and compares the second spatial color differences to the color difference data; and an inspection result output unit that outputs the comparison result.Type: GrantFiled: April 12, 2007Date of Patent: July 2, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Jin Seo Kim, Maeng Sub Cho, Bon Ki Koo
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Patent number: 8472700Abstract: A method for creating a 3D face model by using multi-view image information, includes: creating a mesh structure for expressing an appearance of a 3D face model by using a first multi-view image obtained by capturing an expressionless face of a performer; and locating joints of a hierarchical structure in the mesh structure, by using a second multi-view image obtained by capturing an expression performance of the performer. Further, the method includes creating a 3D face model that is animated to enable reproduction of a natural expression of the performer, by setting dependency between the joints and the mesh structure.Type: GrantFiled: December 15, 2008Date of Patent: June 25, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Ho Won Kim, Bon Ki Koo, Chang Woo Chu, Seong Jae Lim, Jeung Chul Park, Ji Young Park
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Patent number: 8462149Abstract: An apparatus for 3D mesh compression based on quantization, includes a data analyzing unit (510) for decomposing data of an input 3D mesh model into vertices information (511) property information (512) representing property of the 3D mesh model, and connectivity information (515) between vertices constituting the 3D mesh model: and a mesh model quantizing unit (520) for producing quantized vertices and property information of the 3D mesh model by using the vertices, property and connectivity information (511, 512, 513). Further, the apparatus for 3D mesh compression based on quantization includes a decision bit encoding unit (535) for calculating a decision bit by using the quantized connectivity information and then encoding the quantized vertex information, property information and connectivity information (511, 512, 513) by using the decision bit.Type: GrantFiled: April 16, 2009Date of Patent: June 11, 2013Assignees: Electronics and Telecommunications Research Institute, Industry-University Cooperation Foundation Hanyang UniversityInventors: Seung Wook Lee, Bon Ki Koo, Jin Seo Kim, Young Jik Lee, Ji Hyung Lee, Ho Won Kim, Chang Woo Chu, Bon Woo Hwang, Jeung Chul Park, Ji Young Park, Seong Jae Lim, Il Kyu Park, Yoon-Seok Choi, Kap Kee Kim, Euee Seon Jang, Daiyong Kim, Byoungjun Kim, Jaebum Jun, Giseok Son, Kyoung Soo Son
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Patent number: 8421870Abstract: Disclosed are an apparatus and a method for automatic control of multiple cameras capable of supporting an effective camera view angle in a broadcast, a movie, etc. The automatic control apparatus of multiple cameras includes: a first main camera; a first camera driver controlling an operation of the first main camera; a second main camera; a second camera driver controlling an operation of the second main camera; at least one auxiliary camera; at least one third camera driver controlling an operation of the at least one auxiliary camera; and an interoperation processor changing a view angle of the at least one auxiliary camera by controlling the at least one third camera driver in accordance with a view angle changing reference changed by changing the view angle of the first main camera, the second main camera, or the first and second main cameras.Type: GrantFiled: August 25, 2010Date of Patent: April 16, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Hyun Kang, Ho Won Kim, Chang Woo Chu, Bon Ki Koo
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Publication number: 20130088575Abstract: Provided is an apparatus and method for obtaining depth information using an optical pattern. The apparatus for obtaining depth information using the optical pattern may include: a pattern projector to generate the optical pattern using a light source and an optical pattern projection element (OPPE), and to project the optical pattern towards an object area, the OPPE comprising a pattern that includes a plurality of pattern descriptors; an image obtaining unit to obtain an input image by photographing the object area; and a depth information obtaining unit to measure a change in a position of at least one of the plurality of pattern descriptors in the input image, and to obtain depth information of the input image based on the change in the position.Type: ApplicationFiled: September 13, 2012Publication date: April 11, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Ji Young PARK, Kwang Hyun Shim, Seung Woo Nam, Jae Hoo Lee, Myung Ha Kim, Bon Ki Koo, Dong Won Han
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Patent number: 8417034Abstract: Disclosed herein is an apparatus and method for separating a foreground and a background. The apparatus includes a background model creation unit for creating a code book including a plurality of code words in order to separate the foreground and the background, and a foreground/background separation unit for separating the foreground and the background using the created code book. The method includes the steps of creating a code book including a plurality of code words in order to separate the foreground and the background, rearranging the cord words of the created code book on the basis of the number of sample data that belong to each of the code words, and separating the foreground and the background using the code book.Type: GrantFiled: August 5, 2009Date of Patent: April 9, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Kap Kee Kim, Bon Woo Hwang, Ji Hyung Lee, Jin Seo Kim, Seung Wook Lee, Chang Woo Chu, Ho Won Kim, Bon Ki Koo, Gil haeng Lee
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Publication number: 20130050434Abstract: The present invention provides a local multi-resolution 3-D face-inherent model generation apparatus, including one or more 3-D facial model generation cameras for photographing a face of an object at various angles in order to obtain one or more 3-D face models, a 3-D face-inherent model generation unit for generating a 3-D face-inherent model by composing the one or more 3-D face models, a local photographing camera for photographing a local part of the face of the object, a control unit for controlling the position of the local photographing camera on the 3-D face-inherent model, and a local multi-resolution 3-D face-inherent model generation unit for generating a local multi-resolution face-inherent model by composing an image captured by the local photographing camera and the 3-D face-inherent model, a local multi-resolution 3-D face-inherent model generation using the local multi-resolution 3-D face-inherent model generation apparatus, and a skin management system.Type: ApplicationFiled: July 31, 2012Publication date: February 28, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Kap Kee KIM, Seung Uk Yoon, Bon Woo Hwang, Ji Hyung Lee, Bon Ki Koo
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Publication number: 20130024294Abstract: The present invention relates to a method and system for generating a social-created content (SCC), and more particularly, relates to a method and system for generating and distributing various contents online by users. In particular, according to embodiments of the present invention, it is possible to generate and publish a joint SCC through participation of a plurality of users included in a social community. According to embodiments of the present invention, users of a social community may evaluate a quality of user-created contents (UCCs) uploaded by content suggesters and thus, a system for generating an SCC may generate and publish a high-quality SCC.Type: ApplicationFiled: July 19, 2012Publication date: January 24, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Sang Hyun JOO, Il Kwon Jeong, Bon Ki Koo
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Publication number: 20130021322Abstract: The present invention relates to a system for storing and managing a comment on content in a social community, and enabling another user to retrieve content or a comment. In particular, the present invention may generate image comments for target content from users of a social community, and summarize the generated imaged comments.Type: ApplicationFiled: July 17, 2012Publication date: January 24, 2013Applicant: Electronics & Telecommunications Research InstituteInventors: Sang Hyun JOO, Il Kwon Jeong, Bon Ki Koo
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Patent number: 8335676Abstract: A method for calculating a force acting on an interface between immiscible fluids in an SPH (Smoothed Particle Hydrodynamics) based fluid simulation includes: calculating a force caused by viscosities of the fluids; calculating a force caused by pressures of the fluids; calculating an external force applied to the fluids from outside; and calculating an interactive force caused by interaction between the fluids. The force acting on the interface between the immiscible fluids are obtained by using sum of the force caused by the viscosities, the force caused by the pressures, the external force and the interactive force. The interactive force is a surface tensional force calculated based on a pressure acting on the interface between the fluids.Type: GrantFiled: June 18, 2009Date of Patent: December 18, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Young Hee Kim, Bon Ki Koo
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Patent number: 8269771Abstract: A three-dimensional (3D) remeshing apparatus includes a curved surface geometry module for calculating one or more geometric elements, including a normal and a curvature, based on data of an input mesh, a vertex grouping module for grouping vertices of the mesh into a general group, an edge group, and an apex group using information of the curvature calculated by the curved surface geometry module, and a projection module for searching for one or more tangent planes corresponding to one or more of the vertices grouped by the vertex grouping module, projecting one or more corresponding vertices on each of the tangent planes, and restoring one or more edges of the input mesh.Type: GrantFiled: December 16, 2008Date of Patent: September 18, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Seung Taik Oh, Man Jai Lee, Bon Ki Koo, Soon Hyoung Pyo, Young Hee Kim, Seung Hyup Shin, Jang Hee Kim, Byung Seok Roh
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Patent number: 8270704Abstract: A method for reconstructing a 3D shape model of an object by using multi-view image information, includes: inputting multi-view images obtained by photographing the object from multiple viewpoints in a voxel space, and extracting silhouette information and color information of the multi-view images; reconstructing visual hulls by silhouette intersection using the silhouette information; and approximating polygons of cross-sections of the visual hulls to a natural geometric shape of the object by using the color information. Further, the method includes expressing a 3D geometric shape of the object by connecting the approximated polygons to create a mesh structure; extracting color textures of a surface of the object by projecting meshes of the mesh structure to the multi-view image; and creating a 3D shape model by modeling natural shape information and surface color information of the object.Type: GrantFiled: December 15, 2008Date of Patent: September 18, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Ho Won Kim, Chang Woo Chu, Bon Ki Koo
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Patent number: 8265415Abstract: An apparatus for transforming an image in a mobile device is disclosed. The apparatus comprises a pen style transformation unit for transforming an original image to a pen style image using a separated Gaussian filter and outputting pen style image, a cartoon style transformation unit for transforming the original image to a cartoon style image and outputting the cartoon style image, a mosaic creation unit for creating a photomosaic to which the original image is applied based on an optimum photo image set and outputting the created photo mosaic by applying the created photo mosaic to the original image, and an image output unit for outputting the images output from the pen style transformation unit, the cartoon style transformation unit, and the mosaic creation unit to an output unit.Type: GrantFiled: December 17, 2008Date of Patent: September 11, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Yoon-Seok Choi, Bon Ki Koo, Ji Hyung Lee, Bo Youn Kim, Hee Jeong Kim, Il Kyu Park, Seung Wook Lee, Seung Hyup Shin
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Patent number: 8259102Abstract: A method for producing a 3D facial animation using a single facial video stream, includes producing a representative joint focused on a major expression producing element in a 3D standard facial model, producing a statistical feature-point model of various facial expressions of different people in the 3D standard facial model, moving each feature-point of the statistical feature-point model by tracking a change in facial expressions of the video stream, calculating a transformation coefficient of the representative joint corresponding to a variation of the feature-point of the 3D standard facial model, and producing a 3D facial animation by applying the calculated transformation coefficient to transform the representative joint.Type: GrantFiled: December 16, 2008Date of Patent: September 4, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Seong Jae Lim, Jeung Chul Park, Chang Woo Chu, Ho Won Kim, Ji Young Park, Bon Ki Koo
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Patent number: 8238648Abstract: Provided is a camera self-calibration method that calculates a focal length of a fixed zoom lens camera from a correspondence point position between images. In the method, a cost function, which is a function of a focal length, is defined, and a focal length that minimizes the defined cost function is obtained to obtain a focal length that allows 3D recovery results of correspondence points calculated from all image pairs coincide with one another. Therefore, reliability of the calculated focal length can be easily verified, and the focal length of the camera can be stably calculated even when the position of input correspondence point is inaccurately given.Type: GrantFiled: November 27, 2007Date of Patent: August 7, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Jae Chul Kim, Chang Woo Chu, Ho Won Kim, Jeung Chul Park, Ji Young Park, Seong Jae Lim, Bon Ki Koo
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Publication number: 20120163675Abstract: Disclosed herein is a motion capture apparatus and method. The motion capture apparatus includes a three-dimensional (3D) appearance reconstruction unit for reconstructing a 3D appearance of an entity using a multi-view image obtained by capturing the entity at a T+1-th frame. A 3D skeleton generation unit generates a 3D skeleton of the T+1-th frame using the 3D appearance and a model of the entity having a motion of a T-th frame. A motion reconstruction unit reconstructs a motion of the T+1-th frame of the model by changing the motion of the model based on the 3D skeleton of the T+1-th frame.Type: ApplicationFiled: December 22, 2011Publication date: June 28, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Han-Byul JOO, Seong-Jae LIM, Ji-Hyung LEE, Bon-Ki KOO
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Publication number: 20120162226Abstract: Disclosed herein is a fracture pattern generation apparatus for a crumbling effect includes a graph generation unit, a fragment center setting unit, a fracture pattern generation unit, and a fragment mesh generation unit. The graph generation unit generates the graph of the mesh model by filling the inside of a mesh model with a plurality of vertices and connecting the vertices using line segments. The fragment center setting unit sets the central vertices of fragments, which are separated due to fractures, from among the plurality of vertices formed on the graph. The fracture pattern generation unit generates the fracture pattern by setting the central vertices of the fragments to terminal vertices of the fracture pattern and allocating Identifications (IDs) to the respective the central vertices of fragments. The fragment mesh generation unit generates fragment meshes by performing division on the graph based on the fracture pattern.Type: ApplicationFiled: December 20, 2011Publication date: June 28, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Seung-Hyup SHIN, Soon-Hyoung PYO, Bon-Ki KOO
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Publication number: 20120162217Abstract: Disclosed herein is a 3D model shape transformation apparatus. The 3D model shape transformation apparatus includes a camera unit, a shape restoration unit, a skeleton structure generation unit, and a skeleton transformation unit. The camera unit obtains a plurality of 2D images in a single frame by capturing the shape of an object. The shape restoration unit generates a 3D volume model by restoring the shape of the object based on the plurality of 2D images. The skeleton structure generation unit generates the skeleton structure of the 3D volume model. The skeleton transformation unit transforms the size and posture of the 3D volume model into those of a template model by matching the skeleton structure of the template model with the skeleton structure of the 3D volume model.Type: ApplicationFiled: December 22, 2011Publication date: June 28, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Seong-Jae LIM, Han-Byul Joo, Seung-Uk Yoon, Ji-Hyung Lee, Bon-Ki Koo
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Publication number: 20120162218Abstract: Disclosed herein is technology for generating a digital clone. An apparatus for generating a digital clone includes a standard human body model generation unit for extracting information about appearance deformations based on joint control angles of joints from posture-based appearance deformation examples, generating a parametric shape control engine in which the appearance deformation information is incorporated, and incorporating the parametric shape control engine in a standard mesh-type human body model, thus generating a standard human body model. A unique human body model generation unit receives multi-view image examples based on a change in a posture of an actor, generates a 3D model of the actor based on multi-view image examples, and transfers the standard human body model to the 3D model, thus generating a unique human body model, in which unique appearance deformations of the actor based on the change in the posture of the actor are reflected.Type: ApplicationFiled: December 22, 2011Publication date: June 28, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Ho-Won KIM, Bon-Ki KOO, Seung-Wook LEE