Patents by Inventor Joo Myoung Seok
Joo Myoung Seok 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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Patent number: 10826956Abstract: 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.Type: GrantFiled: October 22, 2018Date of Patent: November 3, 2020Assignee: IDEAHUB INC.Inventors: Seong Yong Lim, Joo Myoung Seok, Sang Woo Ahn, Yong Ju Cho, Ji Hun Cha
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Patent number: 10692262Abstract: Disclosed is an apparatus and method for processing information of multiple cameras.Type: GrantFiled: January 11, 2018Date of Patent: June 23, 2020Assignee: Electronics and Telecommunications Research InstituteInventors: Seong Yong Lim, Yong Ju Cho, Jeong Il Seo, Joo Myoung Seok
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Patent number: 10558881Abstract: 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.Type: GrantFiled: July 28, 2017Date of Patent: February 11, 2020Assignee: Electronics and Telecommunications Research InstituteInventors: 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
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Publication number: 20190141352Abstract: Disclosed is a 360 virtual reality (VR) video encoding method. A 360 virtual reality (VR) video encoding method according to the present disclosure includes: dividing the 360 VR video into a plurality of regions based on a division structure of the 360 VR video; generating an region sequence using the divided plurality of regions; generating a bitstream for the generated region sequence; and transmitting the generated bitstream, wherein the region sequence comprises regions having a same position in at least one or more frame included in the 360 VR image.Type: ApplicationFiled: November 2, 2018Publication date: May 9, 2019Inventors: Hyun Cheol KIM, Seong Yong LIM, Joo Myoung SEOK
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Publication number: 20190052688Abstract: 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.Type: ApplicationFiled: October 22, 2018Publication date: February 14, 2019Applicant: Electronics and Telecommunications Research InstituteInventors: Seong Yong LIM, Joo Myoung SEOK, Sang Woo AHN, Yong Ju CHO, Ji Hun CHA
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Patent number: 10122778Abstract: 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.Type: GrantFiled: April 14, 2017Date of Patent: November 6, 2018Assignee: IDEAHUBInventors: Seong Yong Lim, Joo Myoung Seok, Sang Woo Ahn, Yong Ju Cho, Ji Hun Cha
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Patent number: 10075635Abstract: 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.Type: GrantFiled: January 13, 2016Date of Patent: September 11, 2018Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Joo Myoung Seok, Sang Woo Ahn, Yong Ju Cho, Ji Hun Cha
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Publication number: 20180197320Abstract: Disclosed is an apparatus and method for processing information of multiple cameras.Type: ApplicationFiled: January 11, 2018Publication date: July 12, 2018Applicant: Electronics and Telecommunications Research Instit uteInventors: Seong Yong LIM, Yong Ju CHO, Jeong Il SEO, Joo Myoung SEOK
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Publication number: 20180060682Abstract: 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.Type: ApplicationFiled: July 28, 2017Publication date: March 1, 2018Applicant: Electronics and Telecommunications Research InstituteInventors: 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
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Patent number: 9870601Abstract: 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.Type: GrantFiled: April 4, 2016Date of Patent: January 16, 2018Assignees: Electronics and Telecommunications Research Institute, National University of Sciences & TechnologyInventors: 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
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Patent number: 9842273Abstract: Provided is an apparatus and method for detecting a key point using a high-order Laplacian of Gaussian (LoG) kernel. The high-order LoG kernel is generated based on an LoG operator which is calculated by sequentially differentiating an LoG operator with respect to x and y of an image. A scale space is generated based on the high-order LoG kernel and the key point is detected by comparing a current pixel in the scale space to pixels adjacent to the current pixel.Type: GrantFiled: March 9, 2016Date of Patent: December 12, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Yong Ju Cho, Unsang Park, Joo Myoung Seok, Sang Woo Ahn, Ji Hun Cha
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Publication number: 20170223077Abstract: 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.Type: ApplicationFiled: April 14, 2017Publication date: August 3, 2017Applicant: Electronics and Telecommunications Research InstituteInventors: Seong Yong LIM, Joo Myoung SEOK, Sang Woo AHN, Yong Ju CHO, Ji Hun CHA
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Patent number: 9628528Abstract: 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.Type: GrantFiled: July 17, 2014Date of Patent: April 18, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seong Yong Lim, Joo Myoung Seok, Sang Woo Ahn, Yong Ju Cho, Ji Hun Cha
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Patent number: 9628767Abstract: 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.Type: GrantFiled: July 3, 2014Date of Patent: April 18, 2017Assignee: Electronics and Telecommunications Research InstituteInventors: Yong Ju Cho, Sang Woo Ahn, Joo Myoung Seok, Seong Yong Lim, Ji Hun Cha
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Publication number: 20160292821Abstract: 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.Type: ApplicationFiled: April 4, 2016Publication date: October 6, 2016Inventors: 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
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Publication number: 20160267347Abstract: 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.Type: ApplicationFiled: March 9, 2016Publication date: September 15, 2016Applicant: Electronics and Telecommunications Research InstituteInventors: Yong Ju CHO, Unsang PARK, Joo Myoung SEOK, Sang Woo AHN, Ji Hun CHA
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Publication number: 20160212338Abstract: 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.Type: ApplicationFiled: January 13, 2016Publication date: July 21, 2016Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Joo Myoung SEOK, Sang Woo AHN, Yong Ju CHO, Ji Hun CHA
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Publication number: 20150138309Abstract: A stitching method of a captured image is disclosed. The stitching method includes capturing a plurality of images having different viewing angles, setting a feature point extraction region on the plural images, extracting a plurality of feature points from a plurality of objects in the set region, extracting a combination line connecting corresponding feature points based on the plural extracted feature points, outputting the extracted combination line, and combining the plural images based on the extracted combination line. Accordingly, the stitching method provides an effective and high-quality stitched image.Type: ApplicationFiled: January 30, 2014Publication date: May 21, 2015Applicant: Electronics and Telecommunications Research InstituteInventors: Joo Myoung SEOK, Seong Yong LIM, Yong Ju CHO, Ji Hun CHA
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Patent number: 9030485Abstract: 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.Type: GrantFiled: October 23, 2012Date of Patent: May 12, 2015Assignees: Electronics and Telecommunications Research Institute, National University of Sciences & TechnologyInventors: 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
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Publication number: 20150029306Abstract: The present invention proposes a method and apparatus for correcting a motion of panorama video captured by a plurality of cameras. The method of the present invention includes performing global motion estimation for estimating smooth motion trajectories from the panorama video, performing global motion correction for correcting a motion in each frame of the estimated smooth motion trajectories, performing local motion correction for correcting a motion of each of the plurality of cameras for the results in which the motions have been corrected, and performing warping on the results on which the local motion correction has been performed.Type: ApplicationFiled: October 2, 2013Publication date: January 29, 2015Applicants: Natural University of Sciences & Technology(NUST), Electronics and Telecommunications Research InstituteInventors: Yong Ju CHO, Seong Yong LIM, Joo Myoung SEOK, Myung Seok KI, Ji Hun CHA, Rehan HAFIZ, Muhammad Murtaza KHAN, Ameer HAMZA, Arshad ALI