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公开(公告)号：US20210407145A1
公开(公告)日：2021-12-30
申请号：US17363859
申请日：2021-06-30
Inventor： Eun Young CHANG , Euee Seon JANG , Tian Yu DONG , Ji Hun CHA , Kyu Tae KIM , Jae Young AHN
Abstract: Provided is a method of compressing an occupancy map of a three-dimensional (3D) point cloud, and more specifically, a method of compressing an occupancy map of a point cloud in which an occupancy map image of a point cloud existing in a 3D space is compressed based on a compression quality or a patch-by-patch inspection method of the occupancy map image so that compression distortion is minimized when reconstructing the compressed occupancy map image so as to remarkably improve the quality of a reconstructed occupancy map image.
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2.发明申请公开(公告)号：US20190308745A1
公开(公告)日：2019-10-10
申请号：US16375619
申请日：2019-04-04
Inventor： Myung Seok KI , Sang Hyouk CHOI , Yun Su BOK , Ji Hwan SON , Jeong Hwan LEE , Ji Hun CHA , Jae Young AHN
Abstract: The present invention provides a method of controlling an unmanned aerial vehicle by a system for controlling a mission of the unmanned aerial vehicle on the basis of a user position. Herein the method includes acquiring information related to a position of the terminal; performing authentication for the unmanned aerial vehicle on the basis of the information related to the position of the terminal; and, when the authentication is completed, transmitting the information related to the position of the terminal to the unmanned aerial vehicle.
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3.发明申请公开(公告)号：US20160292821A1
公开(公告)日：2016-10-06
申请号：US15089993
申请日：2016-04-04
Applicant: Electronics and Telecommunications Research Institute , National University of Sciences & Technology
Inventor： Yong Ju CHO , Joo Myoung SEOK , Sang Woo AHN , Ji Hun CHA , Arshad ALI , Muhammad MURTAZA , Rehan HAFIZ , Ashar RASUL , Saleh SAEED , Muhammad Umer KAKLI
CPC classification number: G06T3/4038 , G06T7/33 , G06T7/38 , G06T2207/10016
Abstract: An apparatus and a method for displaying a panoramic image using a look-up table (LUT) are disclosed, including generating an LUT may include determining first geometric correction information to transform an input domain pixel coordinate system of an input image to a panorama domain pixel coordinate system of a panoramic image, determining second geometric correction information to transform an output domain pixel coordinate system of an output image of the panoramic image to the panorama domain pixel coordinate system of the panoramic image, determining third geometric correction information to transform the output domain pixel coordinate system of the output image to the input domain pixel coordinate system of the input image based on the first geometric correction information and second geometric correction information, and generating an LUT that maps the output domain pixel coordinate system of the output image to the input domain pixel coordinate system of the input image.
Abstract translation: 公开了一种使用查找表（LUT）显示全景图像的装置和方法，包括生成LUT可以包括确定第一几何校正信息以将输入图像的输入域像素坐标系变换为全景域像素 确定全景图像的坐标系，确定第二几何校正信息以将全景图像的输出图像的输出域像素坐标系变换为全景图像的全景域像素坐标系，确定第三几何校正信息以变换输出域 基于第一几何校正信息和第二几何校正信息将输出图像的像素坐标系统输入到输入图像的输入域像素坐标系，并且生成将输出图像的输出域像素坐标系映射到输入的LUT 输入图像的域像素坐标系。
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4.发明申请APPARATUS AND METHOD FOR DETECTTING KEY POINT USING HIGH-ORDER LAPLACIAN OF GAUSSIAN (LOG) KERNEL 有权使用高斯洛杉矶（LOG）KERNEL的高阶拉普拉斯检测关键点的装置和方法公开(公告)号：US20160267347A1
公开(公告)日：2016-09-15
申请号：US15064800
申请日：2016-03-09
Inventor： Yong Ju CHO , Unsang PARK , Joo Myoung SEOK , Sang Woo AHN , Ji Hun CHA
CPC classification number: G06K9/4671
Abstract: Provided is an apparatus and method for detecting a key point using a high-order Laplacian of Gaussian (LoG) kernel, wherein the method includes generating the high-order LoG kernel using an LoG operator, and detecting a key point of an image using the high-order LoG kernel.
Abstract translation: 提供了一种利用高斯拉普拉斯（LoG）内核检测关键点的装置和方法，其中该方法包括使用LoG算子生成高阶LoG内核，并使用该方法检测图像的关键点 高阶LoG内核。
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5.发明申请COLOR CORRECTION APPARATUS FOR PANORAMA VIDEO STITCHING AND METHOD FOR SELECTING REFERENCE IMAGE USING THE SAME 审中-公开全景摄影彩色矫正装置及使用其选择参考图像的方法公开(公告)号：US20140071228A1
公开(公告)日：2014-03-13
申请号：US14024877
申请日：2013-09-12
Applicant: National University of Sciences & Technology(NUST) , Electronics and Telecommunications Research Institute
Inventor： Yong Ju CHO , Myung Seok KI , Joo Myoung SEOK , Seong Yong LIM , Ji Hun CHA , Rehan HAFIZ , Muhammad Murtaza KHAN , Mahammad Twaha IBRAHIM , Arshad ALI
IPC: H04N5/232
CPC classification number: H04N5/23238
Abstract: Disclosed are a color correction apparatus for panorama video stitching and a method of selecting a reference image using the same. A method of selecting a reference image for color correction when stitching panorama video based on input images includes selecting an optimum reference image candidate from the input images based on standard deviations for overlapping regions between the input images, performing color correction on the input images based on the optimum reference image candidate, and validating the optimum reference image candidate based on the color-corrected input images.
Abstract translation: 公开了一种用于全景视频拼接的颜色校正装置和使用其进行参考图像选择的方法。 当基于输入图像拼接全景视频时，选择用于颜色校正的参考图像的方法包括基于输入图像之间的重叠区域的标准偏差从输入图像中选择最佳参考图像候选，基于输入图像对输入图像执行颜色校正 最佳参考图像候选，并且基于颜色校正的输入图像验证最佳参考图像候选。
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Patent Agency Ranking
6.发明申请公开(公告)号：US20160212338A1
公开(公告)日：2016-07-21
申请号：US14994430
申请日：2016-01-13
Inventor： Joo Myoung SEOK , Sang Woo AHN , Yong Ju CHO , Ji Hun CHA
CPC classification number: H04N5/23238 , G06T3/4038
Abstract: Disclosed are a method and an apparatus for generating a panoramic image based on an image quality. The method of generating a panoramic image includes extracting a matching point to connect a base image captured by a first camera and a reference image captured by a second camera, geometrically transforming the reference image by determining a homography between the base image and the reference image, determining a change in image quality of the geometrically transformed reference image, and generating a panoramic image in which the geometrically transformed reference image is connected to the base image based on the determined change in image quality.
Abstract translation: 公开了一种基于图像质量生成全景图像的方法和装置。 产生全景图像的方法包括提取匹配点以连接由第一相机拍摄的基本图像和由第二相机拍摄的参考图像，通过确定基本图像和参考图像之间的单应性来几何地变换参考图像， 确定几何变换的参考图像的图像质量的变化，以及基于所确定的图像质量的变化，生成几何变换的参考图像连接到基本图像的全景图像。
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公开(公告)号：US20140047309A1
公开(公告)日：2014-02-13
申请号：US13956600
申请日：2013-08-01
Inventor： Hyun Cheol KIM , Ji Hoon CHOI , Ji Hun CHA , Jin Woong KIM
IPC: G06F17/22
CPC classification number: G06F17/22 , G06F16/4393 , G11B27/10 , G11B27/28 , H04N21/4307 , H04N21/4884
Abstract: Provided is an apparatus and method for synchronizing content with data that may extract content feature information of the content, and control synchronization by comparing the content feature information and data feature information described in the data.
Abstract translation: 提供了一种用于使内容与能够提取内容的内容特征信息的数据同步的装置和方法，并且通过比较数据中描述的内容特征信息和数据特征信息来控制同步。
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公开(公告)号：US20170223077A1
公开(公告)日：2017-08-03
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
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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9.发明申请RATE ADAPTATION METHOD USING BIT ERROR RATE FOR MULTIMEDIA SERVICE AND APPARATUS THEREFOR 审中-公开使用位错误率进行多媒体服务的速率调整方法及其设备公开(公告)号：US20170063488A1
公开(公告)日：2017-03-02
申请号：US15349709
申请日：2016-11-11
Inventor： Yong Ju CHO , Ji Hun CHA
CPC classification number: H04L1/0011 , H04L1/0002 , H04L1/0009 , H04L1/0014 , H04L1/0033 , H04L1/0041 , H04L1/203
Abstract: Rate adaptation is carried out using bit error rate (BER) to enable effective multimedia transmission. The BER can be estimated using signal strength in a MAC layer and modulation information (FIGS. 7-9), and can be compatibly used in different wireless networks by means of message standardization.
Abstract translation: 使用误码率（BER）进行速率适配，以实现有效的多媒体传输。 可以使用MAC层中的信号强度和调制信息来估计BER（图7-9），并且可以通过消息标准化在不同的无线网络中兼容地使用BER。
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公开(公告)号：US20150009390A1
公开(公告)日：2015-01-08
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
IPC: H04N5/232
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.
Abstract translation: 本说明书涉及用于执行多投影的方法和用于使多投影环境中的黑色偏移最小化的多投影系统。 本说明书提供了用于执行多投影的方法，包括估计多个投影仪的强度传递函数（ITF），通过使用每个ITF计算每个投影仪的最佳黑色偏移阈值，以及应用最佳黑色偏移 每个投影机投影图像的阈值。
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