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1.发明授权公开(公告)号：US10558881B2
公开(公告)日：2020-02-11
申请号：US15662616
申请日：2017-07-28
Inventor： Yong Ju Cho , Soon-heung Jung , Hyun Cheol Kim , Jeongil Seo , Joo Myoung Seok , Sangwoo Ahn , Seung Jun Yang , Injae Lee , Hee Kyung Lee , Seong Yong Lim
IPC: G06K9/36 , G06K9/20 , H04N9/097 , G06T3/00 , H04N13/225 , G06K9/00 , H04N5/262 , H04N5/232 , G06T3/40 , H04N13/239 , H04N13/00
Abstract: Provided is a parallax minimization stitching method and apparatus using control points in an overlapping region. A parallax minimization stitching method may include defining a plurality of control points in an overlapping region of a first image and a second image received from a plurality of cameras, performing a first geometric correction by applying a homography to the control points, defining a plurality of patches based on the control points, and performing a second geometric correction by mapping the patches.
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公开(公告)号：US09628767B2
公开(公告)日：2017-04-18
申请号：US14323509
申请日：2014-07-03
Inventor： Yong Ju Cho , Sang Woo Ahn , Joo Myoung Seok , Seong Yong Lim , Ji Hun Cha
CPC classification number: H04N9/3194 , G03B21/147 , H04N9/3147 , H04N9/3182
Abstract: The present specification is related to a method for performing multi-projection and a multi-projection system for minimizing a black offset in a multi-projection environment. The present specification provides the method for performing multi-projection comprising estimating the intensity transfer function (ITF) of a plurality of projectors, calculating an optimal black offset threshold for each of the projectors by using each of the ITFs, and applying the optimal black offset threshold to an image projection by each of the projectors.
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公开(公告)号：US10692262B2
公开(公告)日：2020-06-23
申请号：US15868534
申请日：2018-01-11
Inventor： Seong Yong Lim , Yong Ju Cho , Jeong Il Seo , Joo Myoung Seok
Abstract: Disclosed is an apparatus and method for processing information of multiple cameras. The apparatus for processing information of multiple cameras according to an embodiment of the present disclosure includes: multiple cameras obtaining an image containing at least one object; a location information identification unit identifying location information between the at least one object and one of the multiple cameras, the location information identification unit being provided in each of the multiple cameras, wherein the location information comprises a device identifier identifying the location information identification unit and a location data between the at least one object and one of the multiple cameras; and an image processor processing image information obtained from the multiple cameras by using the location information received from the location information identification unit and converting the device identifier received from the location information identification unit into an object identifier identifying the at least one object.
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公开(公告)号：US10122778B2
公开(公告)日：2018-11-06
申请号：US15488224
申请日：2017-04-14
Inventor： Seong Yong Lim , Joo Myoung Seok , Sang Woo Ahn , Yong Ju Cho , Ji Hun Cha
IPC: H04L29/06
Abstract: A method of receiving content in a client is provided. The method may include receiving, from a server, a spatial set identifier (ID) corresponding to a tile group including at least one tile, sending, to the server, a request for first content corresponding to metadata, and receiving, from the server, the first content corresponding to the request.
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Patent Agency Ranking
公开(公告)号：US11694303B2
公开(公告)日：2023-07-04
申请号：US16822654
申请日：2020-03-18
Inventor： Hee Kyung Lee , Gi Mun Um , Jeong Il Seo , Seong Yong Lim , Joung Il Yun , Won Sik Cheong
CPC classification number: G06T3/4038 , G06F9/3836 , G06F9/48 , G06T19/006 , G06T2210/52
Abstract: Disclosed herein is a method of creating an image stitching workflow including acquiring 360-degree virtual reality (VR) image parameters necessary to makes a request for image stitching and create the image stitching workflow, acquiring a list of functions applicable to the image stitching workflow, creating the image stitching workflow based on functions selected from the list of functions, determining the number of media processing entities necessary to perform tasks configuring the image stitching workflow and generating a plurality of media processing entities according to the determined number of media processing entities, and allocating the tasks configuring the image stitching workflow to the plurality of media processing entities.
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公开(公告)号：US09030485B2
公开(公告)日：2015-05-12
申请号：US13658039
申请日：2012-10-23
Applicant: Electronics and Telecommunications Research Institute , National University of Sciences & Technology
Inventor： Yong Ju Cho , Yong Ju Lee , Seung Kwon Beack , Ji Hun Cha , Seong Yong Lim , Myung Seok Ki , Joo Myoung Seok , Jin Woong Kim , Muhammad Murtaza Khan , Rehan Hafiz , Haris Anis , Mutahir Latif , Ashar Rasul , Arshad Ali
IPC: G09G5/00 , G09G5/02 , G09G5/36 , H04N5/46 , H04N1/46 , H04N1/40 , G03F3/08 , G06K9/00 , G06K9/40 , G06K9/36 , H04N9/31 , G06F3/14
CPC classification number: H04N9/3147 , G06F3/1446 , G09G2320/0233 , G09G2320/0285 , G09G2320/0693 , H04N9/3182 , H04N9/3194
Abstract: An apparatus and a method for correcting colors of an image projection device are provided. The method includes: acquiring a photographed image by photographing a sample image projected on projection surface; generating input-output color information for n regions, based on color values of a block in the sample image and corresponding color values of the block in the photographed image; selecting one of the n regions of photographed images as a reference region; generating look-up tables (LUTs) for non-reference regions, based on the reference region and the input and output color information; and correcting colors of input images to be projected by the image projection device using the look-up tables, thereby minimizing color difference of the input images on the projection surface for both intra and inter projection device color correction while simplifying the correction procedure.
Abstract translation: 提供了一种用于校正图像投影装置的颜色的装置和方法。 该方法包括：通过拍摄投影在投影面上的样本图像来获取拍摄图像; 基于样本图像中的块的颜色值和所拍摄图像中的块的对应颜色值，生成n个区域的输入输出颜色信息; 选择拍摄图像的n个区域中的一个作为参考区域; 基于参考区域和输入和输出颜色信息产生用于非参考区域的查找表（LUT）; 并且通过使用查找表来校正由图像投影设备投影的输入图像的颜色，从而使简化校正过程的同时投影设备颜色校正的投影面上的输入图像的色差最小化。
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公开(公告)号：US09628528B2
公开(公告)日：2017-04-18
申请号：US14333892
申请日：2014-07-17
Inventor： Seong Yong Lim , Joo Myoung Seok , Sang Woo Ahn , Yong Ju Cho , Ji Hun Cha
IPC: H04L29/06
CPC classification number: H04L65/4084 , H04L65/4092 , H04L65/601 , H04L65/608
Abstract: A method of receiving content in a client is provided. The method may include receiving, from a server, a spatial set identifier (ID) corresponding to a tile group including at least one tile, sending, to the server, a request for first content corresponding to metadata, and receiving, from the server, the first content corresponding to the request.
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8.发明授权Apparatus and method for generating and consuming three-dimensional (3D) data format to generate realistic panoramic image 有权用于产生和消耗三维（3D）数据格式以产生逼真全景图像的装置和方法公开(公告)号：US09185288B2
公开(公告)日：2015-11-10
申请号：US13800119
申请日：2013-03-13
Inventor： Myung Seok Ki , Yong Ju Cho , Seong Yong Lim , Ji hun Cha , Seung Kwon Beack , Yong Ju Lee , Jin Woong Kim , Seong Dae Kim , Wook Joong Kim , Ji Sung Yoo , Sung Soo Hwang
CPC classification number: H04N5/23238 , H04N13/106 , H04N13/161
Abstract: An apparatus and method for generating and consuming a three-dimensional (3D) data format to generate a realistic panoramic image are provided. The apparatus may include an image preprocessing unit to search for a matching point between images captured by a plurality of cameras, and to extract, as image information, at least one of a depth value, a texture value and object division information from each of the captured images, an image information structuring unit to structure 3D data to use the extracted image information to generate a realistic image, a 3D data format storage unit to store format information of the structured 3D data in a database (DB), realistic image generating unit to generate a realistic panoramic image using the stored format information of the 3D data, and a realistic image rendering unit to perform rendering on the generated realistic panoramic image.
Abstract translation: 提供了一种用于产生和消耗三维（3D）数据格式以产生逼真全景图像的装置和方法。 该装置可以包括图像预处理单元，用于搜索由多个相机拍摄的图像之间的匹配点，并且从图像信息中提取深度值，纹理值和对象分割信息中的至少一个， 拍摄图像，用于构造3D数据以使用所提取的图像信息以生成逼真图像的图像信息构造单元; 3D数据格式存储单元，用于将结构化3D数据的格式信息存储在数据库（DB）中，逼真图像生成单元 使用存储的3D数据的格式信息生成逼真的全景图像，以及逼真的图像渲染单元，对所生成的逼真全景图像执行渲染。
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9.发明授权Geometric correction apparatus and method based on recursive bezier patch sub-division cross-reference to related application 有权基于递归贝塞尔贴片子分割的几何校正装置和方法相关参考相关应用公开(公告)号：US09197887B2
公开(公告)日：2015-11-24
申请号：US13678315
申请日：2012-11-15
Applicant: Electronics and Telecommunications Research Institute , National University of Sciences & Technology
Inventor： Yong Ju Cho , Ji Hun Cha , Myung Seok Ki , Seong Yong Lim , Yong Ju Lee , Seung Kwon Beack , Jin Woong Kim , Rehan Hafiz , Muhammad Murtaza Khan , Atif Ahmed , Arshad Ali
CPC classification number: H04N17/04 , H04N9/3185 , H04N9/3194
Abstract: Provided is a geometric correction apparatus and method based on a recursive Bezier patch sub-division. A geometric correction method may include: receiving, from a camera, a first image that is obtained by photographing a black screen that is projected by a projector onto a projection surface; receiving, from the camera, a second image that is obtained by photographing a predetermined pattern that is projected by the projector onto the projection screen; generating a third image by subtracting the first image from the second image; and performing geometric correction with respect to the predetermined pattern to correct a distortion between the predetermined pattern and the third image.
Abstract translation: 提供了一种基于递归贝塞尔补丁子分割的几何校正装置和方法。 几何校正方法可以包括：从相机接收通过将由投影仪投影的黑屏拍摄到投影面上而获得的第一图像; 从照相机接收通过将由投影仪投影的预定图案拍摄到投影屏幕上而获得的第二图像; 通过从第二图像中减去第一图像来产生第三图像; 以及对所述预定图案执行几何校正，以校正所述预定图案与所述第三图像之间的失真。
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