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公开(公告)号：US20200211256A1
公开(公告)日：2020-07-02
申请号：US16664427
申请日：2019-10-25
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
Abstract: Disclosed herein is an operating method of an apparatus for generating 3D geographic data. The operating method may include receiving multi-view images, generating a 3D mesh and texture for a first distance view from the multi-view images, generating hybrid Digital Surface Model (DSM) data for a second distance view using the 3D mesh and the texture, and generating DSM data for a third distance view using the 3D mesh and the texture.
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公开(公告)号：US20230419586A1
公开(公告)日：2023-12-28
申请号：US18084214
申请日：2022-12-19
Inventor： Hye-Sun KIM
CPC classification number: G06T15/04 , G06T7/11 , G06T7/50 , G06V10/56 , G06T2207/10024
Abstract: Disclosed herein are an apparatus and a method for generating a texture map for a three-dimensional (3D) wide area terrain. The method for generating a texture map for a 3D wide area terrain includes acquiring input images, obtained by capturing a reconstruction target terrain at multiple views, and a camera parameter corresponding to the input images, partitioning the reconstruction target terrain into tiles of a uniform size, reconstructing a tile-based mesh based on information about regions corresponding to respective partitioned tiles, the input images, and the camera parameter, and reconstructing a tile-based texture map based on the input images, the camera parameter, and the tile-based mesh.
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3.发明申请公开(公告)号：US20130266212A1
公开(公告)日：2013-10-10
申请号：US13859634
申请日：2013-04-09
Inventor： Hye-Sun KIM , Yun Ji BAN , Kyung Ho JANG , Jung Jae YU , Myung Ha KIM , Ho Wook JANG , Seung Woo NAM , Hae Dong KIM
IPC: H04N13/00
CPC classification number: H04N13/128 , H04N13/261 , H04N13/271
Abstract: A method of converting a two-dimensional video to a three-dimensional video, the method comprising: comparing an image of an nth frame with an accumulated image until an n−1th frame in the two-dimensional video to calculate a difference in a color value for each pixel; generating a difference image including information on a change in a color value for each pixel of the nth frame; storing an accumulated image until the nth frame by accumulating the information on the change in the color value for each pixel until the nth frame; performing an operation for a pixel in which a change in a color value is equal to or larger than a predetermined level by using the difference image to generate a division image and a depth map image; and converting the image of the nth frame to a three-dimensional image by using the depth map image.
Abstract translation: 一种将二维视频转换为三维视频的方法，所述方法包括：将第n帧的图像与累积图像进行比较，直到二维视频中的第n-1帧，以计算颜色差异 每个像素的值; 生成包括关于第n帧的每个像素的颜色值的变化的信息的差分图像; 通过累积关于每个像素的颜色值的变化的信息直到第n帧来存储累积图像直到第n帧; 通过使用差分图像对颜色值的变化等于或大于预定水平的像素进行操作以产生分割图像和深度图图像; 以及通过使用深度图图像将第n帧的图像转换为三维图像。
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公开(公告)号：US20210201570A1
公开(公告)日：2021-07-01
申请号：US17133807
申请日：2020-12-24
Inventor： Jung-Jae YU , Kyung-Kyu KANG , Hye-Sun KIM , Chang-Joon PARK , Yun-Ji BAN , Dong-Wan RYOO , Man-Hee LEE , Chang-Woo CHU
Abstract: Disclosed herein are a method and apparatus for generating a digital surface model using satellite imagery. The method includes correcting a geometric error in input satellite images, generating one or more depth maps using a stereo matching method based on the corrected satellite images, and generating a digital surface model by combining the generated depth maps and by estimating a height value for each location on the ground surface.
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Patent Agency Ranking
5.发明申请3D MULTIFUNCTIONAL DEVICE WITH 3D SCANNING FUNCTION AND 3D PRINTING FUNCTION AND OPERATION METHOD THEREOF 审中-公开具有3D扫描功能的3D多功能设备和3D打印功能及其操作方法公开(公告)号：US20170066193A1
公开(公告)日：2017-03-09
申请号：US15072545
申请日：2016-03-17
Inventor： Jae-Hean KIM , Hyun KANG , Jung-Jae YU , Hye-Sun KIM , Chang-Joon PARK , Yun-Ji BAN , Dong-Wan RYOO , Jin-Sung CHOI
CPC classification number: B33Y50/00 , B29C64/10 , B29C64/106 , B29C64/112 , B29C64/118 , B29C64/124 , B29C64/129 , B29C64/135 , B29C64/171 , B29C64/20 , B29C64/264 , B29C64/30 , B29C64/386 , B29C64/393 , B33Y10/00 , B33Y30/00 , B33Y50/02
Abstract: A 3D multifunctional device in which a 3D printer and a 3D scanner are combined and a method for operating the device. The 3D multifunctional device includes a printing unit that includes a nozzle for ejecting material for 3D printing, a scanning unit that includes a light radiation module for radiating light to an object to be scanned and a camera for capturing an image of the object, a head unit for moving the printing unit and the scanning unit in X-axis and Y-axis directions, a bed plate on which the object to be scanned is located or the ejected material is deposited, the bed plate moving in a Z-axis direction, and a control unit for setting a function by selecting 3D scanning or 3D printing, controlling the scanning unit or the printing unit, and controlling the movements of the head unit and bed plate.
Abstract translation: 组合3D打印机和3D扫描仪的3D多功能设备和用于操作设备的方法。 3D多功能装置包括：打印单元，其包括用于喷射用于3D打印的材料的喷嘴;扫描单元，其包括用于将光照射到待扫描的物体的光辐射模块和用于捕获物体的图像的照相机;头部 用于在X轴和Y轴方向上移动打印单元和扫描单元的单元，其上要被扫描对象所在的床板或排出的材料沉积在床板上，床板沿Z轴方向移动， 以及用于通过选择3D扫描或3D打印来设置功能的控制单元，控制扫描单元或打印单元，以及控制头单元和床板的移动。
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公开(公告)号：US20180165875A1
公开(公告)日：2018-06-14
申请号：US15649539
申请日：2017-07-13
Inventor： Jung-Jae YU , Kyung-Kyu KANG , Hye-Sun KIM , Chang-Joon PARK , Yun-Ji BAN , Dong-Wan RYOO , Man-Hee LEE , Chang-Woo CHU
CPC classification number: G06T17/20 , G06T5/006 , G06T7/251 , G06T7/579 , G06T7/593 , G06T2200/04 , G06T2207/10021 , G06T2207/10028 , H04N13/282 , H04N13/296
Abstract: Disclosed herein are an apparatus and method for reconstructing a 3D model. The apparatus for reconstructing a 3D model includes an image acquisition unit for acquiring multi-view images by receiving image signals captured by multiple drones using cameras, a geometric calibration unit for estimating motion variables of the drones based on the acquired multi-view images, and a 3D model creation unit for reconstructing a 3D model of a dynamic object from the matched multi-view images using a multi-view stereo method.
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公开(公告)号：US20170027671A1
公开(公告)日：2017-02-02
申请号：US15071949
申请日：2016-03-16
Inventor： Hye-Sun KIM , Hyun KANG , Jae-Hean KIM , Chang-Joon PARK , Yun-Ji BAN , Dong-Wan RYOO , Jung-Jae YU , Jin-Sung CHOI
CPC classification number: A61C13/0004 , A61C5/77 , G06K9/00201 , G06T17/00 , G06T2210/41
Abstract: An apparatus and method for managing a teeth model. The apparatus for managing a teeth model includes a database for storing a 3D intraoral structure image and a 3D teeth model image generated by scanning a healthy intraoral structure and teeth of a user; a generation unit for generating a damaged tooth model image by scanning a damaged tooth when the tooth of the user is damaged; and a modeling unit for modeling any one of a dental prosthesis and an artificial tooth by comparing the damaged tooth model image and the image stored in the database.
Abstract translation: 一种用于管理牙齿模型的装置和方法。 用于管理牙齿模型的装置包括用于存储3D口内结构图像的数据库和通过扫描健康的口内结构和用户的牙齿产生的3D牙齿模型图像; 生成单元，用于当用户的牙齿损坏时通过扫描损坏的牙齿产生损坏的牙齿模型图像; 以及建模单元，用于通过比较损坏的牙齿模型图像和存储在数据库中的图像来对牙科假体和人造牙齿中的任何一个进行建模。
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公开(公告)号：US20140241576A1
公开(公告)日：2014-08-28
申请号：US14102096
申请日：2013-12-10
Inventor： Jung-Jae YU , Kyung-Ho JANG , Hae-Dong KIM , Hye-Sun KIM , Yun-Ji BAN , Myung-Ha KIM , Joo-Hee BYON , Ho-Wook JANG , Seung-Woo NAM
IPC: G06T7/20
CPC classification number: G06T7/248 , G06T7/55 , G06T2207/30204
Abstract: A camera tracking apparatus including a sequence image input unit configured to obtain one or more image frames by decoding an input two-dimensional image, a two-dimensional feature point tracking unit configured to obtain a feature point track by extracting feature points from respective image frames obtained by the sequence image input unit, and comparing the extracted feature points with feature points extracted from a previous image frame, to connect feature points determined to be similar, and a three-dimensional reconstruction unit configured to reconstruct the feature point track obtained by the two-dimensional feature point tracking unit.
Abstract translation: 一种相机跟踪装置，包括：序列图像输入单元，被配置为通过解码输入的二维图像来获得一个或多个图像帧;二维特征点跟踪单元，被配置为通过从各个图像帧中提取特征点来获得特征点轨迹 并且将所提取的特征点与从先前图像帧提取的特征点进行比较以连接被确定为相似的特征点，以及三维重建单元，其被配置为重建由所述特征点轨迹获得的特征点轨迹 二维特征点跟踪单元。
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公开(公告)号：US20140210943A1
公开(公告)日：2014-07-31
申请号：US13973527
申请日：2013-08-22
Inventor： Hye-Sun KIM , Yun-Ji BAN , Kyung-Ho JANG , Hae-Dong KIM , Jung-Jae YU , Myung-Ha KIM , Joo-Hee BYON , Ho-Wook JANG , Seung-Woo NAM
IPC: H04N13/00
CPC classification number: H04N13/261 , H04N13/264
Abstract: An apparatus for creating a three dimensional video including a cut split unit configured to split an input two-dimensional video into two or more cuts based on a predetermined reference, a manual conversion unit configured to receive a depth value of one of frames that form each of the two or more cuts split by the cut split unit and convert the one frame into a three dimensional form, and an automatic conversion unit configured to convert other frames included in the cuts with reference to the one frame, which is converted into the three dimensional form by the manual conversion unit, into a three dimensional form.
Abstract translation: 一种用于创建三维视频的装置，包括：分割单元，被配置为基于预定参考将输入的二维视频分割为两个或更多个切割;手动转换单元，被配置为接收形成每个视频的一个帧的深度值 所述两个或更多个切割由所述切割分割单元分割并将所述一个框架转换为三维形状;以及自动转换单元，被配置为参照所述一个框架转换包括在所述切割中的其他框架，所述自动转换单元被转换为三个 三维形式由手动转换单元形成三维形式。
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