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公开(公告)号：US20150213644A1
公开(公告)日：2015-07-30
申请号：US14608044
申请日：2015-01-28
Inventor： Young Mi CHA , Chang Woo CHU , Jae Hean KIM
CPC classification number: G06T17/10 , G06T17/20 , G06T2210/56
Abstract: Provided are a multi-primitive fitting method including an acquiring point cloud data by collecting data of each of input points, a obtaining a segment for the points using the point cloud data, and a performing primitive fitting using data of points included in the segment and the point cloud data, and a multi-primitive fitting device that performs the method.
Abstract translation: 提供了一种多原始拟合方法，其包括通过收集每个输入点的数据来获取点云数据，使用点云数据获得用于点的分段，以及使用包括在该分段中的点的数据执行原始拟合，以及 点云数据，以及执行该方法的多原始拟合装置。
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2.发明申请APPARATUS AND METHOD FOR CALIBRATING DEPTH IMAGE BASED ON RELATIONSHIP BETWEEN DEPTH SENSOR AND COLOR CAMERA 有权基于深度传感器和彩色摄像机之间的关系来校准深度图像的装置和方法公开(公告)号：US20140112574A1
公开(公告)日：2014-04-24
申请号：US14059685
申请日：2013-10-22
Inventor： Jae Hean KIM , Chang Woo CHU , Il Kyu PARK , Young Mi CHA , Jin Sung CHOI , Bon Ki KOO
IPC: G06T7/00
CPC classification number: G06T7/0018 , G06T7/80 , G06T2207/10004 , G06T2207/10028 , G06T2207/30208
Abstract: Disclosed is a method of calibrating a depth image based on a relationship between a depth sensor and a color camera, and an apparatus for calibrating a depth image may include a three-dimensional (3D) point determiner to determine a 3D point of a camera image and a 3D point of a depth image simultaneously captured with the camera image, a calibration information determiner to determine calibration information for calibrating an error of a depth image captured by the depth sensor and a geometric information between the depth sensor and a color camera, using the 3D point of the camera image and the 3D point of the depth image, and a depth image calibrator to calibrate the depth image based on the calibration information and the 3D point of the depth image.
Abstract translation: 公开了一种基于深度传感器和彩色相机之间的关系来校准深度图像的方法，并且用于校准深度图像的装置可以包括三维（3D）点确定器，以确定相机图像的3D点 以及与摄像机图像同时捕获的深度图像的3D点，校准信息确定器，用于确定用于校准由深度传感器捕获的深度图像的误差的校准信息以及深度传感器和彩色摄像机之间的几何信息，使用 照相机图像的3D点和深度图像的3D点，以及深度图像校准器，以基于校准信息和深度图像的3D点来校准深度图像。
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3.发明申请公开(公告)号：US20190180422A1
公开(公告)日：2019-06-13
申请号：US16209577
申请日：2018-12-04
Inventor： Chang Woo CHU , Kyung Kyu KANG , Hye Sun KIM , Chang Joon PARK , Yun Ji BAN , Dong Wan RYOO , Jung Jae YU , Man Hee LEE
Abstract: Disclosed is a method of performing geometric correction on images obtained by multiple cameras and an image obtainment apparatus therefor, the method including: receiving the images obtained by the multiple cameras; extracting feature points of the received images and checking an interrelation between the extracted feature points; estimating locations and directions of the cameras, which respectively obtain the images, by using the interrelation between the feature points; calculating a relative geometric relationship between the multiple cameras from the estimated locations and directions of the cameras when the received images are determined as the images obtained by the multiple cameras with a fixed geometric interrelationship; and performing the geometric correction on each of the images by using the calculated geometric relationship. The method of efficiently performing geometric correction according to the embodiment of the present invention enables images to be obtained easily using the unmanned device with a short photographing time.
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Patent Agency Ranking
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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5.发明申请公开(公告)号：US20160169764A1
公开(公告)日：2016-06-16
申请号：US14721060
申请日：2015-05-26
Inventor： Kap Kee KIM , Chang Woo CHU , Jin Sung CHOI
CPC classification number: G05B19/4099 , B29C64/00 , B33Y50/00 , G05B2219/49011
Abstract: Provided are a system and method for pre-verifying stability such that a 3D printing output can be balanced on the center thereof even without a support or a fixture. The system for pre-verifying stability of a 3D printing output includes a slicing unit configured to slice a 3D object, a distance map creating unit configured to create a distance map of each plane obtained by slicing the 3D object, a safety zone searching unit configured to search for a stability safety zone of the sliced 3D object, a stability verifying unit configured to verify stability of the 3D object using the stability safety zone, and a stability securing unit configured to determine a position of an inner mesh of the 3D object.
Abstract translation: 提供了一种用于预先验证稳定性的系统和方法，使得即使没有支撑或固定装置也可以在其中心上平衡3D打印输出。 用于预先验证3D打印输出的稳定性的系统包括：被配置为切割3D对象的切片单元;距离图生成单元，被配置为创建通过对3D对象进行切片获得的每个平面的距离图;配置 搜索所述切片3D对象的稳定性安全区域，被配置为使用所述稳定性安全区域来验证所述3D对象的稳定性的稳定性验证单元以及被配置为确定所述3D对象的内部网格的位置的稳定性确保单元。
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6.发明申请APPARATUS AND METHOD FOR EXTRACTING MOVEMENT PATH OF MUTUAL GEOMETRIC RELATIONSHIP FIXED CAMERA GROUP 有权提取相机几何相关固定摄像机组运动路径的装置和方法公开(公告)号：US20140334675A1
公开(公告)日：2014-11-13
申请号：US14271029
申请日：2014-05-06
Inventor： Chang Woo CHU , Jae Hean KIM , Il Kyu PARK , Young Mi CHA , Jin Sung CHOI , Bon Ki KOO
CPC classification number: G06T7/246 , G06T7/292 , G06T7/73 , G06T2207/10016 , G06T2207/30244
Abstract: Provided is an apparatus and method for extracting a movement path, the movement path extracting apparatus including an image receiver to receive an image from a camera group in which a mutual positional relationship among cameras is fixed, a geographic coordinates receiver to receive geographic coordinates of a moving object on which the camera group is fixed, and a movement path extractor to extract a movement path of the camera group based on a direction and a position of a reference camera of the camera group using the image and the geographic coordinates.
Abstract translation: 提供了一种用于提取移动路径的装置和方法，该移动路径提取装置包括：图像接收器，用于从照相机组中相互位置关系固定的相机组接收图像;地理坐标接收器，用于接收地理坐标 以及移动路径提取器，其使用图像和地理坐标，基于相机组的参考相机的方向和位置来提取相机组的移动路径。
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公开(公告)号：US20140245231A1
公开(公告)日：2014-08-28
申请号：US14193313
申请日：2014-02-28
Inventor： Young Mi CHA , Chang Woo CHU , Jae Hean KIM , Il Kyu PARK , Bon Ki KOO , Jin Sung CHOI
IPC: G06F3/0481 , G06F3/0484
CPC classification number: G06T17/10
Abstract: A primitive fitting apparatus is provided. The primitive fitting apparatus may include a selecting unit to receive, from a user, a selection of points used to fit a primitive a user desires to fit from a point cloud, an identifying unit to receive a selection of the primitive from the user and to identify the selected primitive, and a fitting unit to fit the primitive to correspond to the points, using the points and primitive.
Abstract translation: 提供原始装配装置。 原始拟合装置可以包括：选择单元，用于从用户接收用于拟合用户期望从点云拟合的原语的点的选择;识别单元，用于从用户接收原始图形的选择;以及 使用点和原语来识别所选择的原语和拟合单元以适合对应于点的原语。
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8.发明申请VIEW IMAGE PROVIDING DEVICE AND METHOD USING OMNIDIRECTIONAL IMAGE AND 3-DIMENSIONAL DATA 审中-公开查看图像提供设备和使用OMNIDIRECTIONAL图像和三维数据的方法公开(公告)号：US20140218354A1
公开(公告)日：2014-08-07
申请号：US14102905
申请日：2013-12-11
Inventor： Il Kyu PARK , Young Mi CHA , Chang Woo CHU , Jae Hean KIM , Jin Sung CHOI , Bon Ki KOO
IPC: G06T15/00
CPC classification number: G06T19/00 , G06T3/4038 , G06T15/04 , G06T2219/021
Abstract: A view image providing device and method are provided. The view image providing device may include a panorama image generation unit to generate a panorama image using a cube map including a margin area by obtaining an omnidirectional image, a mesh information generation unit to generate 3-dimensional (3D) mesh information that uses the panorama image as a texture by obtaining 3D data, and a user data rendering unit to render the panorama image and the mesh information into user data according to a position and direction input by a user.
Abstract translation: 提供了一种视频图像提供装置和方法。 视景图像提供装置可以包括全景图像生成单元，用于通过获取全向图像来生成包括边缘区域的立体图的全景图像;网格信息生成单元，生成使用全景图像的三维（3D）网格信息 通过获得3D数据作为纹理的图像，以及用户数据渲染单元，以根据用户输入的位置和方向将全景图像和网格信息呈现为用户数据。
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