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公开(公告)号：US20170256058A1
公开(公告)日：2017-09-07
申请号：US15251174
申请日：2016-08-30
Inventor： Sang Woo SEO , Myung Gyu KIM , Woo Suk KIM , Jong Sung KIM , Il Kwon JEONG
CPC classification number: G06T7/194 , G06T7/13 , G06T2207/10024 , G06T2207/20061 , G06T2207/20076
Abstract: An apparatus and method for detecting a circle are provided. The apparatus includes an edge detector configured to generate a foreground image from a background image generated from an input image and generate edge pixel information from the foreground image, and a voting processor configured to calculate a position of a central point and a radius of a circle by performing a circle Hough transform using the edge pixel information.
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2.发明申请公开(公告)号：US20190164295A1
公开(公告)日：2019-05-30
申请号：US16016844
申请日：2018-06-25
Inventor： Jong Sung KIM , Myung Gyu KIM , Woo Suk KIM , Seong Min BAEK , Sang Woo SEO , Sung Jin HONG
Abstract: Provided are a system and method for simultaneously reconstructing an initial three-dimensional (3D) trajectory and velocity of an object by using single camera images. The system for simultaneously reconstructing an initial 3D trajectory and velocity of an object by using single camera images includes a receiver configured to receive 3D world coordinate information of a starting point of an object and object-captured image information of a single camera, a two-dimensional (2D) coordinate acquisition unit configured to acquire 2D image coordinates of the object from the object-captured image information, and a reconstructor configured to simultaneously reconstruct an initial 3D velocity and trajectory of the object by applying a 3D motion equation to the 2D image coordinates and depth information from the single camera to the object.
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公开(公告)号：US20170256063A1
公开(公告)日：2017-09-07
申请号：US15242746
申请日：2016-08-22
Inventor： Seong Min BAEK , Myung Gyu KIM , Ye Jin KIM , Sung Jin HONG , Il Kwon JEONG
CPC classification number: G06T7/20 , G06T2207/10028 , G06T2207/20068 , G06T2207/30224 , G06T2207/30241
Abstract: An object trajectory tracking apparatus for tracking three-dimensional position of a high-speed moving instrument, i.e., a high-speed moving object for which it is difficult to acquire actual depth information, and a moving path thereof when information is extracted by utilizing a single depth sensor in a swing motion of sport in which a predetermined instrument is used by hand, and method therefor. The apparatus includes grid information generation unit, shadow area determination unit, initial object position information generation unit, object position estimation unit, and three-dimensional trajectory restoration unit, tracks three-dimensional route of an object, for which it is difficult to acquire depth information, in a fast sports motion such that information that allows user to correct and learn motion can be provided, and calculates a three-dimensional position and route calculated such that information required for practicing a more accurate swing motion can be provided.
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公开(公告)号：US20200226784A1
公开(公告)日：2020-07-16
申请号：US16738802
申请日：2020-01-09
Inventor： Jong Sung KIM , Myung Gyu KIM , Woo Suk KIM , Seong Min BAEK , Sang Woo SEO , Sung Jin HONG
Abstract: A system for recognizing collision positions of a plurality of moving objects in a screen includes an infrared camera configured to obtain an image frame when a plurality of moving objects move toward a screen, a memory configured to store a program for calculating a collision position in the screen on the basis of the image frame, and a processor configured to execute the program stored in the memory. By executing the program, the processor detects all of the plurality of moving objects from the image frame to generate a graph where moving objects included in a successive image frame are connected to one another, and calculates a collision position of the moving object included in the image frame and a collision position of the moving object in the screen on the basis of the graph.
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Patent Agency Ranking
公开(公告)号：US20210117785A1
公开(公告)日：2021-04-22
申请号：US17033037
申请日：2020-09-25
Inventor： Jong Sung KIM , Myung Gyu KIM , Woo Suk KIM , Seong Min BAEK , Sang Woo SEO , Sung Jin HONG
Abstract: Provided is a system and method for automatically recognizing virtual ball sports information, specifically, a system and method for automatically recognizing virtual ball sports events and motions on the basis of ball measurement data training. Provided is a server for automatically recognizing virtual ball sports information including an inputter configured to receive ball measurement data, a memory which stores a program for automatically recognizing virtual ball sports information, and a processor configured to execute the program, wherein the processor automatically recognizes an event and a motion of a sport that is currently played by a user using the ball measurement data and a ball classification label.
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公开(公告)号：US20190391261A1
公开(公告)日：2019-12-26
申请号：US16177599
申请日：2018-11-01
Inventor： Sang Woo SEO , Myung Gyu KIM , Woo Suk KIM
Abstract: The present invention relates to an object trajectory estimation technology. A system for three-dimensional (3D) object trajectory estimation according to an exemplary embodiment of the present invention includes: an infrared sensor frame installed in a target space area; an acoustic sensor module installed in the target space area; and a processing unit configured to estimate a trajectory of an object within the target space area on the basis of pieces of data generated from the infrared sensor frame and pieces of data generated from the acoustic sensor module.
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公开(公告)号：US20170206695A1
公开(公告)日：2017-07-20
申请号：US15142501
申请日：2016-04-29
Inventor： Ye Jin KIM , Sung Jin HONG , Seong Min BAEK , Myung Gyu KIM , Il Kwon JEONG
Abstract: An apparatus for generating a 3-dimensional character motion via timing transfer. The apparatus includes an example motion database configured to store data about one or more example motions of characters with an identical skeleton model structure; an example motion analyzer configured to generate a timing source by analyzing timing in a designated example motion data among the one or more example motion data stored in the example motion database; and an input motion transfer part configured to re-adjust spatial movements in an input motion in correspondence with the generated timing source so as to generate an in output motion.
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公开(公告)号：US20150146928A1
公开(公告)日：2015-05-28
申请号：US14554365
申请日：2014-11-26
Inventor： Jong Sung KIM , Myung Gyu KIM , Seong Min BAEK , Ye Jin KIM , Il Kwon JEONG
CPC classification number: G06T7/55 , G06K9/6289 , G06T7/251 , G06T2207/10016 , G06T2207/10028 , G06T2207/20221
Abstract: An apparatus and method for tracing a motion of an object using high-resolution image data and low-resolution depth data acquired by a hybrid camera in a motion analysis system used for tracking a motion of a human being. The apparatus includes a data collecting part, a data fusion part, a data partitioning part, a correspondence point tracking part, and a joint tracking part. Accordingly, it is possible to precisely track a motion of the object by fusing the high-resolution image data and the low-resolution depth data, which are acquired by the hybrid camera.
Abstract translation: 一种用于使用高分辨率图像数据和混合照相机在用于跟踪人的运动的运动分析系统中获取的低分辨率深度数据跟踪物体的运动的装置和方法。 该装置包括数据收集部分，数据融合部分，数据分割部分，对应点跟踪部分和联合跟踪部分。 因此，可以通过融合由混合照相机获取的高分辨率图像数据和低分辨率深度数据来精确地跟踪对象的运动。
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公开(公告)号：US20140163915A1
公开(公告)日：2014-06-12
申请号：US13905495
申请日：2013-05-30
Inventor： Seong Min BAEK , Jong Sung KIM , Myung Gyu KIM , Il Kwon JEONG
IPC: G06T7/00
CPC classification number: G06T7/254 , G06T7/251 , G06T2207/30224 , G06T2207/30241
Abstract: Provided are a method and apparatus for tuning a trajectory model of a ball. The method includes generating a real trajectory of the ball based on a difference among a plurality of flight images for the ball, calculating kinetic characteristics of the ball based on the real trajectory, correcting at least one of the kinetic characteristics and a characteristic coefficient of the ground based on the real trajectory, and tuning a ball simulation trajectory based on the corrected at least one of the kinetic characteristics and the characteristic coefficient of the ground. A trajectory after the ball collides with the ground can be accurately generated.
Abstract translation: 提供了一种用于调整球的轨迹模型的方法和装置。 该方法包括基于球的多个飞行图像之间的差异来生成球的实际轨迹，基于实际轨迹计算球的运动特性，校正至少一个运动学特性和 基于真实轨迹的地面，并且基于修正的地面的动力特性和特征系数中的至少一个来调整球模拟轨迹。 可以精确地产生球撞击地面后的轨迹。
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