Patents by Inventor Woong BAE
Woong BAE 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: 10827987Abstract: The present invention relates to an X-ray image processing device and an X-ray image processing method using a small X-ray detector, in which the device includes a controller configured to control an X-ray source and an X-ray detector to obtain m (m is an integer of 2 or more) number of consecutive divided projection images at each of preset n (n is an integer of 1 or more) number of imaging angles while rotating around a rotary axis and facing each other, a projection image synthesizing unit configured to generate a synthetic projection image by synthesizing the m number of divided projection images obtained in correspondence to each imaging angle, and an image reconstructor configured to generate a reconstructed image by reconstructing the synthetic projection image.Type: GrantFiled: March 27, 2017Date of Patent: November 10, 2020Assignees: VATECH Co., Ltd., VATECH EWOO Holdings Co., Ltd.Inventors: Woong Bae, Sang Og Na, Sung Il Choi
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Patent number: 10791998Abstract: The present invention relates to an X-ray image processing device and an X-ray image processing method using a small X-ray detector, in which the device includes a controller configured to control an X-ray source and an X-ray detector to obtain m (m is an integer of 2 or more) number of consecutive divided projection images at each of preset n (n is an integer of 1 or more) number of imaging angles while rotating around a rotary axis and facing each other, a projection image synthesizing unit configured to generate a synthetic projection image by synthesizing the m number of divided projection images obtained in correspondence to each imaging angle, and an image reconstructor configured to generate a reconstructed image by reconstructing the synthetic projection image.Type: GrantFiled: March 27, 2017Date of Patent: October 6, 2020Assignees: VATECH Co., Ltd., VATECH EWOO Holdings Co., Ltd.Inventors: Woong Bae, Sang Og Na, Sung Il Choi
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Patent number: 10724507Abstract: The present invention provides an active clutch mechanism and a hopping robot equipped with the same, the active clutch mechanism comprising: a sun gear; a planetary gear; and a winding gear. When the sun gear rotates in one direction, the planetary gear revolves around the sun gear in the one direction to come into contact with the winding gear, and then rotates the winding gear to wind a wire so as to store energy in an energy storage unit connected to the winding gear. When the sun gear rotates in a direction opposite to the one direction, the planetary gear revolves around the sun gear in the direction different from the one direction to become spaced from the winding gear, so as to discharge the energy stored in the energy storage unit.Type: GrantFiled: March 21, 2017Date of Patent: July 28, 2020Assignee: Seoul National University R&DB FoundationInventors: Kyu Jin Cho, Gwang Pil Jung, Sun Pill Jung, Woong Bae Kim
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Patent number: 10713825Abstract: A medical image processing device is disclosed. The disclosed medical image processing device may include: an input interface through which a depth adjusting command is input from a user; an image processor and controller generating a two-dimensional reconstruction image by overlapping a part or all of CT image data in a view direction, and changing a contrast of at least a part of the two-dimensional reconstruction image according to the depth adjusting command; and a display part displaying the two-dimensional reconstruction image.Type: GrantFiled: October 10, 2016Date of Patent: July 14, 2020Assignees: VATECH Co., Ltd., VATECH EWOO Holdings Co., Ltd.Inventors: Woong Bae, Sung Il Choi
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Patent number: 10687768Abstract: Disclosed is an X-ray image forming device is disclosed. The device includes an X-ray imaging unit including a rotating member rotatable about a rotating shaft and linearly movable, and an X-ray source and an X-ray sensor disposed at opposite ends of the rotating member to face each other with a region of interest therebetween, a penetration data acquisition unit configured to acquire X-ray penetration data from multiple directions crossing through an image layer in the region of interest by controlling the X-ray imaging unit and an image reconstructor configured to generate projection data in a predetermined angle range at each section of the image layer from the X-ray penetration data, and reconstruct a two-dimensional X-ray panoramic image of the image layer based on the projection data.Type: GrantFiled: September 18, 2015Date of Patent: June 23, 2020Assignees: VATECH Co., Ltd., VATECH EWOO Holdings Co., Ltd.Inventors: Sung Il Choi, Woong Bae
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Patent number: 10413262Abstract: Disclosed are a mammography system and a mammography imaging method that can prevent a subject from being exposed to radiation more than necessary by setting an optimum imaging condition according to a thickness of a subject's breast, and can obtain a high-quality medical image by setting an optimum FOV and correcting projection data according to the thickness of the breast. The mammography system includes: a mammography imaging device including a detector and an X-ray tube, and obtaining X-ray image data of a subject's breast from multiple angles; a thickness obtaining unit obtaining information on a thickness of the breast; and a rotation angle calculator calculating a rotation angle range of the X-ray tube, based on the information of the thickness of the breast, wherein the mammography imaging device obtains the X-ray image data from multiple angles by performing radiography while rotating the X-ray tube within the rotation angle range.Type: GrantFiled: August 27, 2015Date of Patent: September 17, 2019Assignees: Rayence Co., Ltd., VATECH EWOO Holdings Co., Ltd.Inventors: Sung Il Choi, Woong Bae, Tae Woo Kim, Keun Yeong Kim
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Patent number: 10373350Abstract: Disclosed is an apparatus for computed tomography (CT) image data reconstruction based on motion compensation. The apparatus for computed tomography (CT) data reconstruction based on motion compensation, the apparatus including a storage configured to store projection radiographs and an image processor configured to obtain pairs of opposite projection radiographs from the projection radiographs, and compensate a movement of a radiography subject based on a correlation between the projection radiographs of each pair of opposite projection radiographs.Type: GrantFiled: July 20, 2017Date of Patent: August 6, 2019Assignees: VATECH Co., Ltd., VATECH EWOO Holdings Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Jong chul Ye, Ja wook Gu, Tae Woo Kim, Sung Il Choi, Woong Bae
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Publication number: 20190216410Abstract: The present invention relates to an X-ray image processing device and an X-ray image processing method using a small X-ray detector, in which the device includes a controller configured to control an X-ray source and an X-ray detector to obtain m (m is an integer of 2 or more) number of consecutive divided projection images at each of preset n (n is an integer of 1 or more) number of imaging angles while rotating around a rotary axis and facing each other, a projection image synthesizing unit configured to generate a synthetic projection image by synthesizing the m number of divided projection images obtained in correspondence to each imaging angle, and an image reconstructor configured to generate a reconstructed image by reconstructing the synthetic projection image.Type: ApplicationFiled: March 27, 2017Publication date: July 18, 2019Applicants: VATECH Co., Ltd., VATECH EWOO Holdings Co. Ltd.Inventors: Woong BAE, Sang Og NA, Sung Il CHOI
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Publication number: 20190101106Abstract: The present invention provides an active clutch mechanism and a hopping robot equipped with the same, the active clutch mechanism comprising: a sun gear; a planetary gear; and a winding gear. When the sun gear rotates in one direction, the planetary gear revolves around the sun gear in the one direction to come into contact with the winding gear, and then rotates the winding gear to wind a wire so as to store energy in an energy storage unit connected to the winding gear. When the sun gear rotates in a direction opposite to the one direction, the planetary gear revolves around the sun gear in the direction different from the one direction to become spaced from the winding gear, so as to discharge the energy stored in the energy storage unit.Type: ApplicationFiled: March 21, 2017Publication date: April 4, 2019Applicant: Seoul National University R&DB FoundationInventors: Kyu Jin Cho, Gwang Pil Jung, Sun Pill Jung, Woong Bae Kim
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Publication number: 20190087987Abstract: A medical image processing device is disclosed. The disclosed medical image processing device may include: an input interface through which a depth adjusting command is input from a user; an image processor and controller generating a two-dimensional reconstruction image by overlapping a part or all of CT image data in a view direction, and changing a contrast of at least a part of the two-dimensional reconstruction image according to the depth adjusting command; and a display part displaying the two-dimensional reconstruction image.Type: ApplicationFiled: October 10, 2016Publication date: March 21, 2019Applicants: VATECH Co., Ltd., VATECH EWOO Holdings Co., Ltd.Inventors: Woong BAE, Sung Il CHOI
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Patent number: 9993217Abstract: The disclosure is related an apparatus and method for producing a panoramic radiograph of a target object using a three dimensional (3D) radiograph of the same object. The apparatus may include a communication circuit and a processor. The communication circuit may be configured to receive 3D radiograph digital data of the 3D radiograph. The processor may be configured to generate a plurality of x-ray projection images of the target object by performing forward-projection on voxels associated with the target object, and to combine the generated x-ray projection images to produce the panoramic radiograph of the target object.Type: GrantFiled: April 27, 2016Date of Patent: June 12, 2018Assignees: VATECH Co., Ltd., VATECH EWOO Holdings Co., Ltd.Inventors: Woong Bae, Sang Og Na
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Publication number: 20180025511Abstract: Disclosed is an apparatus for computed tomography (CT) image data reconstruction based on motion compensation. The apparatus for computed tomography (CT) data reconstruction based on motion compensation, the apparatus including a storage configured to store projection radiographs and an image processor configured to obtain pairs of opposite projection radiographs from the projection radiographs, and compensate a movement of a radiography subject based on a correlation between the projection radiographs of each pair of opposite projection radiographs.Type: ApplicationFiled: July 20, 2017Publication date: January 25, 2018Applicants: VATECH Co., Ltd., VATECH EWOO Holdings Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Jong chul YE, Ja wook GU, Tae Woo KIM, Sung Il CHOI, Woong BAE
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Publication number: 20170281101Abstract: Disclosed is an X-ray image forming device is disclosed. The device includes an X-ray imaging unit including a rotating member rotatable about a rotating shaft and linearly movable, and an X-ray source and an X-ray sensor disposed at opposite ends of the rotating member to face each other with a region of interest therebetween, a penetration data acquisition unit configured to acquire X-ray penetration data from multiple directions crossing through an image layer in the region of interest by controlling the X-ray imaging unit and an image reconstructor configured to generate projection data in a predetermined angle range at each section of the image layer from the X-ray penetration data, and reconstruct a two-dimensional X-ray panoramic image of the image layer based on the projection data.Type: ApplicationFiled: September 18, 2015Publication date: October 5, 2017Applicants: VATECH Co., Ltd., VATECH EWOO Holdings Co., Ltd.Inventors: Sung Il CHOI, Woong BAE
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Publication number: 20170281108Abstract: Disclosed are a mammography system and a mammography imaging method that can prevent a subject from being exposed to radiation more than necessary by setting an optimum imaging condition according to a thickness of a subject's breast, and can obtain a high-quality medical image by setting an optimum FOV and correcting projection data according to the thickness of the breast. The mammography system includes: a mammography imaging device including a detector and an X-ray tube, and obtaining X-ray image data of a subject's breast from multiple angles; a thickness obtaining unit obtaining information on a thickness of the breast; and a rotation angle calculator calculating a rotation angle range of the X-ray tube, based on the information of the thickness of the breast, wherein the mammography imaging device obtains the X-ray image data from multiple angles by performing radiography while rotating the X-ray tube within the rotation angle range.Type: ApplicationFiled: August 27, 2015Publication date: October 5, 2017Applicants: Rayence Co., Ltd., VATECH EWOO Holdings Co., Ltd.Inventors: Sung Il CHOI, Woong BAE, Tae Woo KIM, Keun Yeong KIM
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Publication number: 20160310097Abstract: The disclosure is related an apparatus and method for producing a panoramic radiograph of a target object using a three dimensional (3D) radiograph of the same object. The apparatus may include a communication circuit and a processor. The communication circuit may be configured to receive 3D radiograph digital data of the 3D radiograph. The processor may be configured to generate a plurality of x-ray projection images of the target object by performing forward-projection on voxels associated with the target object, and to combine the generated x-ray projection images to produce the panoramic radiograph of the target object.Type: ApplicationFiled: April 27, 2016Publication date: October 27, 2016Applicants: VATECH Co., Ltd., VATECH EWOO Holdings Co., Ltd.Inventors: Woong BAE, Sang Og NA
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Patent number: 9308112Abstract: A trunk support device (100) is configurable to be worn by a person to reduce the muscle forces in the person's back during forward bending. The device (100), among other things, includes: a waist strap (102) which is configurable to be coupled to the person waist; a chest support (104) which is configurable to be coupled to the person's chest and capable of pushing against the person chest; and first and second torque generators (106) coupled to the chest support (104) and the waist strap (102) and capable of providing a resistance torque between them. In operation, when a person wearing the device (100) bends forward, at least one of the torque generators (106) imposes a torque between the chest support (104) and the waist strap (102), causing the chest support (104) to impose a force onto the person's chest backwardly and the waist strap (102) to impose a force onto the person's hip.Type: GrantFiled: June 28, 2011Date of Patent: April 12, 2016Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Homayoon Kazerooni, Kibeum Ryoo, Han Woong Bae, Daniel Merala
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Patent number: D720360Type: GrantFiled: May 23, 2014Date of Patent: December 30, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Dae-Woong Bae, Kwang-Hyun Ko, Yong-Hak Park
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Patent number: D732552Type: GrantFiled: June 27, 2014Date of Patent: June 23, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-Woong Bae, Kwang-Hyun Ko, Yong-Hak Park
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Patent number: D735217Type: GrantFiled: May 23, 2014Date of Patent: July 28, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-Woong Bae, Kwang-Hyun Ko, Yong-Hak Park
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Patent number: D905731Type: GrantFiled: March 27, 2019Date of Patent: December 22, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-Woong Bae, Kwang-Hyun Ko, Yong-Hak Park