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公开(公告)号：US10217281B2
公开(公告)日：2019-02-26
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
IPC: G06T5/00 , H04N13/282 , G06T17/20 , G06T7/246 , 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：US10991157B2
公开(公告)日：2021-04-27
申请号：US16664517
申请日：2019-10-25
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 matching 3D terrain information based on aerial images captured at different altitudes. The method includes receiving a high-altitude numerical height model based on a terrain image captured at a specific high altitude; receiving 3D terrain information observed from a low altitude, which is generated based on a terrain image captured at an altitude lower than the specific high altitude; generating a low-altitude numerical height model by converting the 3D terrain information into a numerical model in the same form as the high-altitude numerical height model; measuring the cross-correlation between the high-altitude numerical height model and the low-altitude numerical height model, thereby calculating matching parameters for enabling the low-altitude numerical height model to match the high-altitude numerical height model; and adjusting the geospatial coordinates of the 3D terrain information based on the matching parameters and outputting georeferenced 3D terrain information in the same coordinate system as the high-altitude numerical height model.
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公开(公告)号：US10204184B2
公开(公告)日：2019-02-12
申请号：US14993521
申请日：2016-01-12
Inventor： Ji-Hyung Lee , Kyung-Kyu Kang , Jae-Woo Kim , Dong-Wan Ryoo
IPC: G06F17/50
Abstract: An apparatus and method for modeling a cultural heritage building, which may intuitively model a 3D digital cultural heritage building while exhibiting the characteristics of the 3D digital cultural heritage building, through the use of a touch screen UI on a smart mobile device in a place where it is difficult to use a PC or existing software. The disclosed apparatus includes a measured drawing arrangement unit for displaying, on a touch screen, measured drawings that include information about members constituting a cultural heritage building, a member model generation unit for performing modeling based on multiple points input via the touch screen, thus generating 3D member models, a database for storing the member models generated by the member model generation unit, and a member arrangement unit for arranging each of the stored member models at an original location thereof based on the measured drawings.
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公开(公告)号：US09542747B2
公开(公告)日：2017-01-10
申请号：US14565487
申请日：2014-12-10
Inventor： Kyung-Kyu Kang , Jin-Seo Kim , Ji-Hyung Lee , Soon-Young Kwon , Song-Woo Lee , Jae-Woo Kim , Ju-Yeon You , In-Su Jang
CPC classification number: G06T7/55 , G06F17/5004 , G06F17/5009 , G06F17/5086 , G06T13/00
Abstract: An assembly simulation apparatus and method for a wooden structure are provided. The assembly simulation apparatus for a wooden structure includes an element analysis unit for analyzing shapes of a plurality of elements constituting a three-dimensional (3D) wooden structure model and a coupling relation between the elements. A relation graph generation unit generates a relation graph based on the analyzed shapes of the plurality of elements and the analyzed coupling relation between the elements. An animation creation unit creates an animation of a movement path depending on a task for coupling or separating the plurality of elements, based on the generated relation graph. An animation play unit simulates an assembly method for the wooden structure by playing the created animation depending on the assembly method for the wooden structure.
Abstract translation: 提供了一种用于木结构的组装模拟装置和方法。 用于木结构的组装模拟装置包括用于分析构成三维（3D）木结构模型的多个元素的形状和元件之间的耦合关系的元素分析单元。 关系图生成单元基于分析的多个元素的形状和分析的元素之间的耦合关系生成关系图。 基于生成的关系图，动画创建单元根据用于耦合或分离多个元素的任务创建移动路径的动画。 动画播放单元根据木结构的装配方法，通过播放创建的动画来模拟木结构的装配方法。
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