Patents by Inventor Seong Min Baek
Seong Min Baek has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9690981Abstract: A system and a method for motion evaluation. The system for motion evaluation includes: a plurality of sensor apparatuses photographing a user to acquire user's joint data; an analysis apparatus performs calibration and synchronization on the joint data input from the plurality of sensor apparatuses to generate a user's skeleton and uses pose vectors calculated for each body part to compare a user's pose with an expert's pose; and a display apparatus outputting a user character moved depending on a user's motion by using the skeleton, together with an expert character and outputting the comparison result.Type: GrantFiled: December 18, 2015Date of Patent: June 27, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seong-Min Baek, Myung-Gyu Kim, Ye-Jin Kim, Jong-Sung Kim, Sang-Woo Seo, Il-Kwon Jeong
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Publication number: 20160234479Abstract: This invention provides a device and a method of multi-view image calibration which can easily acquire calibration parameters (intrinsic/extrinsic parameter) of multi-image input device in wide space without separate calibration tool.Type: ApplicationFiled: September 24, 2015Publication date: August 11, 2016Inventors: Sang-Woo SEO, Myung-Gyu KIM, Ye-Jin KIM, Jong-Sung KIM, Seong-Min BAEK, Il-Kwon JEONG
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Publication number: 20160232683Abstract: An apparatus for analyzing a motion includes an imaging unit configured to generate a depth image and a stereo image, a ready posture recognition unit configured to transmit a ready posture recognition signal to the imaging unit, a human body model generation unit configured to generate an actual human body model.Type: ApplicationFiled: January 18, 2016Publication date: August 11, 2016Inventors: Jong-Sung KIM, Myung-Gyu KIM, Ye-Jin KIM, Seong-Min BAEK, Sang-Woo SEO, Il-Kwon JEONG
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Publication number: 20160232698Abstract: An apparatus for generating animation includes: an input interface receiving a motion path sketch input and a posture sketch input from a user; a motion path information generator generating motion path information corresponding to the motion path sketch input; a posture information generator generating posture information corresponding to the posture sketch input; a similar motion clip retriever retrieving a similar motion clip corresponding to the posture information among motion clips stored in a database; a motion information generator generating motion information including a frame of the similar motion clip disposed according to the motion path information; and an animation generator generating animation by rendering a graphic model according to the motion information.Type: ApplicationFiled: January 18, 2016Publication date: August 11, 2016Inventors: Ye-Jin KIM, Myung-Gyu KIM, Jong-Sung KIM, Seong-Min BAEK, Sang-Woo SEO, Il-Kwon JEONG
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Publication number: 20160232676Abstract: A system and a method for motion evaluation. The system for motion evaluation includes: a plurality of sensor apparatuses photographing a user to acquire user's joint data; an analysis apparatus performs calibration and synchronization on the joint data input from the plurality of sensor apparatuses to generate a user's skeleton and uses pose vectors calculated for each body part to compare a user's pose with an expert's pose; and a display apparatus outputting a user character moved depending on a user's motion by using the skeleton, together with an expert character and outputting the comparison result.Type: ApplicationFiled: December 18, 2015Publication date: August 11, 2016Inventors: Seong-Min BAEK, Myung-Gyu KIM, Ye-Jin KIM, Jong-Sung KIM, Sang-Woo SEO, Il-Kwon JEONG
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Patent number: 9208574Abstract: Disclosed are a method and apparatus for measuring rotation characteristics such as rotation rate, rotation axis, and rotation angle of a rotating body. A method of measuring rotation characteristics includes extracting a rotating-body region from an image of the rotating body; extracting a surface pattern of the rotating body on the basis of brightness values of the extracted rotating-body region and acquiring rotation characteristics of the rotating body on the basis of change in the extracted surface pattern. Accordingly, it is possible to accurately measure rotation characteristics regardless of variation in brightness values of a surface region of the rotating body depending on illumination of a lamp, sensitivity of a camera, and exposure time of a camera.Type: GrantFiled: September 14, 2012Date of Patent: December 8, 2015Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jong Sung Kim, Seong Min Baek, Myung Gyu Kim, Il Kwon Jeong
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Publication number: 20150208954Abstract: The present invention provides an apparatus for analyzing human motion including a bio-sensor configured to transmit a bio-signal by being attached to a body part; a receiver configured to receive the bio-signal; and a controller configured to determine position and velocity of the bio-sensor based on the bio-signal and estimate position and velocity of the joint adjacent to the body part based on the position and velocity of the bio-sensor. Accordingly, the present invention can reduce restrictions in movements by using a wireless bio-signal without having any problem in being hidden.Type: ApplicationFiled: January 14, 2015Publication date: July 30, 2015Inventors: Myung-Gyu KIM, Ye-Jin KIM, Seong-Min BAEK, Jong-Sung KIM, Il-Kwon JEONG
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Publication number: 20150193945Abstract: The present invention relates to a method and apparatus for generating dance motion based on pose and timing constraints. A method and apparatus for generating dance motion based on pose and timing constraints according to an embodiment of the present invention can, when a user assigns pose to the music for authoring dance choreography, search poses including the most similar pose and select poses having high connectivity to naturally connect them.Type: ApplicationFiled: December 23, 2014Publication date: July 9, 2015Inventors: Seong-Min BAEK, Myung-Gyu KIM, Ye-Jin KIM, Jong-Sung KIM, Il-Kwon JEONG
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Publication number: 20150146928Abstract: 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.Type: ApplicationFiled: November 26, 2014Publication date: May 28, 2015Inventors: Jong Sung KIM, Myung Gyu KIM, Seong Min BAEK, Ye Jin KIM, Il Kwon JEONG
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Patent number: 8913785Abstract: Disclosed are an apparatus and a method for measuring a speed of a rotation body and recognizing a spin using a line scan. The present invention provides an apparatus and a method for calculating a motion of an object capable of acquiring line scan images using some lines of an area scan camera and calculating a three-dimensional speed and a three-dimensional spin of a rotation body by using a composite image in which the line scan images are coupled. The present invention can provide a realistic game or training at low cost by providing realistic physical simulation of the rotation body while allowing a competitive price when producing products by using the existing inexpensive camera.Type: GrantFiled: September 21, 2011Date of Patent: December 16, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Myung Gyu Kim, Jong Sung Kim, Seong Min Baek
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Patent number: 8761441Abstract: Disclosed is a method for automatically extracting centroids and features of a spherical object required to measure a flight speed, a flight direction, a rotation speed, and a rotation axis of the spherical object in a system for measuring flight information of the spherical object with a high-speed stereo camera. In order to automatically extract the centroids and the features of the spherical object, the present invention may automatically extract the centroid and the feature by detecting only the pixel of the foreground image including the spherical object generated by excluding the motionless background image from each camera image, sorting the interconnected pixels among the pixels of the detected foreground image into the independent pixel cluster, and then, using, in the extraction of the centroid and the feature, only one pixel cluster having a size similar to the actual spherical object.Type: GrantFiled: December 9, 2011Date of Patent: June 24, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Jong Sung Kim, Seong Min Baek, Myung Gyu Kim, Il Kwon Jeong, Byoung Tae Choi
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Publication number: 20140163915Abstract: 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.Type: ApplicationFiled: May 30, 2013Publication date: June 12, 2014Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seong Min BAEK, Jong Sung KIM, Myung Gyu KIM, Il Kwon JEONG
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Publication number: 20130158966Abstract: Disclosed is a method of simulating a collision trajectory of a ball which rotates and moves in a virtual sports game (for example, golf, baseball, soccer, or tennis). A method of collision simulation for a spinning ball includes: detecting collision of a spinning ball; calculating a velocity of the ball after colliding considering rotation of the ball and the friction with the ground; calculating a center point of the ball after colliding; and rolling and stopping the ball. The detecting of collision of a spinning ball includes: checking whether a segment connecting a center point in a previous position of the ball and a center point in the current position collides with the ground; and generating vectors of a lower part of the ball to check whether the vectors collide with the ground.Type: ApplicationFiled: July 31, 2012Publication date: June 20, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Seong Min BAEK, Jong Sung Kim, Myung Gyu Kim, IL Kwon Jeong
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Publication number: 20130135466Abstract: Disclosed are a method and apparatus for measuring rotation characteristics such as rotation rate, rotation axis, and rotation angle of a rotating body. A method of measuring rotation characteristics includes extracting a rotating-body region from an image of the rotating body; extracting a surface pattern of the rotating body on the basis of brightness values of the extracted rotating-body region and acquiring rotation characteristics of the rotating body on the basis of change in the extracted surface pattern. Accordingly, it is possible to accurately measure rotation characteristics regardless of variation in brightness values of a surface region of the rotating body depending on illumination of a lamp, sensitivity of a camera, and exposure time of a camera.Type: ApplicationFiled: September 14, 2012Publication date: May 30, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Jong Sung KIM, Seong Min BAEK, Myung Gyu KIM, IL Kwon JEONG
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Publication number: 20120148099Abstract: Disclosed is a method for automatically extracting centroids and features of a spherical object required to measure a flight speed, a flight direction, a rotation speed, and a rotation axis of the spherical object in a system for measuring flight information of the spherical object with a high-speed stereo camera. In order to automatically extract the centroids and the features of the spherical object, the present invention may automatically extract the centroid and the feature by detecting only the pixel of the foreground image including the spherical object generated by excluding the motionless background image from each camera image, sorting the interconnected pixels among the pixels of the detected foreground image into the independent pixel cluster, and then, using, in the extraction of the centroid and the feature, only one pixel cluster having a size similar to the actual spherical object.Type: ApplicationFiled: December 9, 2011Publication date: June 14, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Jong Sung KIM, Seong Min Baek, Myung Gyu Kim, Il Kwon Jeong, Byoung Tae Choi
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Publication number: 20120150502Abstract: Disclosed is a simulation method of a flying trajectory of a ball which flies while rotating. More particularly, An exemplary embodiment of the present invention provides an accurate simulation method of a flying trajectory of a flying ball by reflecting a roughness feature of the surface of the ball in which the flying trajectory of the ball is simulated by calculating drag force, lifting force, and gravity applied to the ball which files while rotating and the drag force and the lifting force are adjusted by a function for calculating air density and a function associated with a change in the force of wind.Type: ApplicationFiled: November 3, 2011Publication date: June 14, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seong Min BAEK, Myung Gyu KIM, Jong Sung KIM, Il Kwon JEONG, Byoung Tae CHOI
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Publication number: 20120082347Abstract: Disclosed are an apparatus and a method for measuring a speed of a rotation body and recognizing a spin using a line scan. The present invention provides an apparatus and a method for calculating a motion of an object capable of acquiring line scan images using some lines of an area scan camera and calculating a three-dimensional speed and a three-dimensional spin of a rotation body by using a composite image in which the line scan images are coupled. The present invention can provide a realistic game or training at low cost by providing realistic physical simulation of the rotation body while allowing a competitive price when producing products by using the existing inexpensive camera.Type: ApplicationFiled: September 21, 2011Publication date: April 5, 2012Inventors: Myung Gyu KIM, Jong Sung KIM, Seong Min BAEK
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Patent number: 7239718Abstract: A high-speed marker-free motion capture, which is capable of powerfully detecting a body's feature points corresponding to a body's end portions such as a head, hands, feet, trunk, arms and legs at a high speed in an illumination change or background or noises of cameras. The extracted feature points of the body can be directly tracked stably in a 3-dimensional space. The position errors of the feature points due to the change of the illumination conditions or a shadow can be automatically corrected and the feature points can be stably tracked with respect to overlapping and disappearance of the feature points. Further, when coordinates of the middle joints are estimated using 3-dimensional coordinates of the extracted feature points of the body, the present invention restores a human model by estimating the positions of the middle joints of the actor with high accuracy without using a motion database, thereby securing the stability and reality of the 3-dimensional motion data required in the motion capture.Type: GrantFiled: May 28, 2003Date of Patent: July 3, 2007Assignee: Electronics and Telecommunications Research InstituteInventors: Chang Joon Park, Ji Hyung Lee, Do-Hyung Kim, Seung Woo Nam, Seong Min Baek, In Ho Lee
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Publication number: 20060098014Abstract: Provided are an apparatus for generating multiple digital characters that do not collide with each other and a method thereof. The apparatus includes a posture storing block for extracting and storing key postures from motion capture data provided from the outside and for calculating and storing connection relationship between the extracted key postures, a character generating block for producing virtual characters based on user-input parameters, a simulating block for simulating the virtual characters not to collide with each other and generating motion pattern parameters based on the simulation result, a key frame generating block for searching matched postures according to the motion pattern parameters, which are transmitted from the simulating block, after then, changing the virtual characters, and generating key frames by locating the changed characters in corresponding positions on the screen, and a motion file generating block for producing a motion file by interpolating the key frames.Type: ApplicationFiled: July 29, 2005Publication date: May 11, 2006Inventors: Seong-Min Baek, Choon-Young Lee, In-Ho Lee, Hyun-Bin Kim
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Publication number: 20040119716Abstract: The present invention relates to an apparatus and method for a high-speed marker-free motion capture, which is capable of powerfully detecting a body's feature points corresponding to a body's end portions such as a head, hands, feet, trunk, arms and legs at a high speed in an illumination change or background or noises of cameras. The extracted feature points of the body can be directly tracked stably in a 3-dimensional space. The position errors of the feature points due to the change of the illumination conditions or a shadow can be automatically corrected and the feature points can be stably tracked with respect to overlapping and disappearance of the feature points.Type: ApplicationFiled: May 28, 2003Publication date: June 24, 2004Inventors: Chang Joon Park, Ji Hyung Lee, Do-Hyung Kim, Seung Woo Nam, Seong Min Baek, In Ho Lee