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公开(公告)号：US20220180610A1
公开(公告)日：2022-06-09
申请号：US17540517
申请日：2021-12-02
Inventor： Kyung Kyu KANG , Chang Joon PARK
Abstract: Disclosed is a best view spot generating server which includes a virtual tour providing server that communicates with a user terminal over a network and generates a best view spot associated with a three-dimensional object included in a virtual space, and a database that operates in conjunction with the virtual tour providing server and stores data associated with the virtual space, data associated with the three-dimensional object, and data associated with the best view spot.
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公开(公告)号：US20230215100A1
公开(公告)日：2023-07-06
申请号：US18084352
申请日：2022-12-19
Inventor： Man Hee LEE , Chang Joon PARK
CPC classification number: G06T19/00 , G06F18/22 , G06T2210/56
Abstract: A device that executes a program stored in the memory to perform generating a local graph for the 3D point cloud based on distances and angles between 3D points in the 3D point cloud; matching the local graph using a similarity function and determining a feature matching pair in a matched local graph; and estimating a rigid body transformation matrix using the feature matching pair is provided.
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3.发明申请公开(公告)号：US20200088508A1
公开(公告)日：2020-03-19
申请号：US16570264
申请日：2019-09-13
Inventor： Jae Hean KIM , Hyun KANG , Chang Joon PARK , Jin Sung CHOI
IPC: G01B11/00 , G01B11/25 , G06T7/521 , G01B11/245 , G06T7/593
Abstract: The 3D information generating device includes a light source unit configured to irradiate light onto a target object, a coordinate mechanism unit disposed between the target object and the light source unit and including a plurality of inclined projections reflecting the light, a camera unit configured to output an image obtained by simultaneously photographing the coordinate mechanism unit and the target object, and an information processing unit configured to check a projection plane formed by the light of the light source unit and, by using the projection plane, generate 3D information about the target object while calibrating an error. Accordingly, an unskilled user may easily perform a 3D scan operation by using the coordinate mechanism unit, and moreover, since a coordinate mechanism is not installed in the outside, the 3D information generating device may easily move and may be easily maintained and managed.
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公开(公告)号：US20170213385A1
公开(公告)日：2017-07-27
申请号：US15405728
申请日：2017-01-13
Inventor： Jung Jae YU , Hyun KANG , Jae Hean KIM , Hye Sun KIM , Chang Joon PARK , Yun Ji BAN , Dong Wan RYOO , Jin Sung CHOI
CPC classification number: G06T17/20 , G06K9/00221 , G06K9/00268 , G06K9/4604 , G06K2209/40 , G06T19/20 , H04N7/185
Abstract: An apparatus for generating a 3-dimensional face model includes a multi-view image capturer configured to sense a motion of the mobile device and automatically capture still images from two or more directions; and a 3D model generator configured to generate a 3D face mode using the two or more still images obtained by the multi-view image capturer.
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5.发明申请公开(公告)号：US20190156552A1
公开(公告)日：2019-05-23
申请号：US15836542
申请日：2017-12-08
Inventor： Byung Ok HAN , Jae Hwan KIM , Ho Won KIM , Yu Gu JUNG , Chang Joon PARK , Gil Haeng LEE
Abstract: The present disclosure provides a method and apparatus for reconstructing 3D information of an object. The method of reconstructing 3D information of an object may include: reconstructing 3D information of a background space, using at least one of images of the background space for three-dimensionally reconstructing the object; separating the object from the background space on the basis of at least one of images of the object in the background space, and of obtaining a depth image of the object separated from the background space; and generating 3D information of the object based on images taken by at least one of cameras in consideration of position relationships between the depth image of the object and the cameras.
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Patent Agency Ranking
公开(公告)号：US20190074853A1
公开(公告)日：2019-03-07
申请号：US16121387
申请日：2018-09-04
Inventor： Kap Kee KIM , Il Kyu PARK , Chang Joon PARK , Jin Sung CHOI
IPC: H03M13/47 , B33Y50/00 , B29C64/386
CPC classification number: H03M13/47 , B29C64/386 , B33Y50/00 , G06T17/20
Abstract: Disclosed is a method of detecting and correcting an error in a 3D mesh model. According to the present disclosure, the method includes: determining at least one mesh on the basis of half-edge information; setting at least one cluster including the at least one mesh, on the basis of normal vector information on the at least one mesh; detecting a flip error of the at least one cluster; and correcting the at least one mesh in the at least one cluster in which the flip error is detected.
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7.发明公开公开(公告)号：US20230186565A1
公开(公告)日：2023-06-15
申请号：US17900300
申请日：2022-08-31
Inventor： Kyung Kyu KANG , Chang Joon PARK
CPC classification number: G06T17/205 , G06T15/04
Abstract: Disclosed herein an apparatus and method for generating a lightweight three-dimensional model based on an image. The method comprising: generating a point cloud by analyzing an input image; generating an ultra lightweight mesh based on the point cloud and generating a lightweight mesh capable of texture mapping based on the generated ultra lightweight mesh; generating a texture from the input image; and storing the generated lightweight mesh and the texture.
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公开(公告)号：US20190304185A1
公开(公告)日：2019-10-03
申请号：US16374602
申请日：2019-04-03
Inventor： Il Kyu PARK , Kap Kee KIM , Chang Joon PARK , Jin Sung CHOI
IPC: G06T17/20
Abstract: Disclosed is 3D information processing method and apparatus. The method of processing three-dimensional (3D) information for an object according to an embodiment of the present invention includes converting mesh model-based 3D information into 3D information of a half-edge structure; dividing a shell region of the object on the basis of connection information of half-edges included in the 3D information of the half-edge structure; determining at least one hole region of the object using the 3D information of the half-edge structure; determining at least one hole group obtained by grouping the at least one hole region of the object; and applying face information to the at least one hole group.
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公开(公告)号：US20190164351A1
公开(公告)日：2019-05-30
申请号：US16057664
申请日：2018-08-07
Inventor： Hye Sun KIM , Kyung Kyu KANG , Chang Joon PARK , Yun Ji BAN , Dong Wan RYOO , Jung Jae YU , Man Hee LEE , Chang Woo CHU
CPC classification number: G06T19/20 , G06T15/04 , G06T17/205 , G06T2200/08 , G06T2219/2012
Abstract: Disclosed is a method of reconstructing a three-dimensional color mesh and an apparatus for the same. According to an embodiment of the present disclosure, the method includes: receiving mesh information of an object, multiple multi-view images obtained by photographing the object at different positions, and camera parameter information corresponding to the multiple multi-view images; constructing a texture map with respect to the object on the basis of the received information and setting a texture patch referring to a color value of the same multi-view image; correcting a color value of a vertex included for each texture patch; and performing rendering with respect to the object by applying the corrected color value of the vertex to the texture map.
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公开(公告)号：US20180158205A1
公开(公告)日：2018-06-07
申请号：US15833999
申请日：2017-12-06
Inventor： Jae Hean KIM , Hyun KANG , Chang Joon PARK , Jin Sung CHOI
CPC classification number: G06T7/514 , G06T7/521 , G06T7/557 , G06T7/73 , G06T2207/10004 , G06T2207/10028 , G06T2207/20068
Abstract: A disclosure of the present invention is related to an apparatus and a method for generating three-dimensional information. The apparatus for generating three-dimensional information may include a light source providing light to an object to be reconstructed in three-dimensional information, a coordinate reference mechanism unit provided between the light source and the object and having a plurality of protrusions reflecting the light; a camera unit outputting an image capturing the coordinate reference mechanism unit and the object simultaneously; and a three-dimensional information processing unit generating the three-dimensional information of the object by identifying a projection plane formed by the light and using the projection plane, considering a relationship between a plurality of actual protrusion reflection points at which the light is reflected by the plurality of protrusions respectively and a plurality of protrusion reflection points displayed in the image.
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