Patents by Inventor Keechang Lee
Keechang Lee 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: 10732004Abstract: A method and apparatus for displaying a virtual route estimates a position of a vehicle based on sensing data received asynchronously from sensors, and outputs a three-dimensional (3D) virtual route generated by registering a driving environment model corresponding to a driving environment of the vehicle and the position of the vehicle in map information.Type: GrantFiled: March 13, 2018Date of Patent: August 4, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Kyungboo Jung, Nahyup Kang, KeeChang Lee, Sunghoon Hong
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Patent number: 10685241Abstract: Disclosed are methods and apparatuses for indicating a lane, the method including detecting a lane marking from an input image, acquiring a bird's eye view image by applying an inverse perspective mapping to the detected lane marking, extracting control points corresponding to the lane marking from the bird's eye view image, and indicating a lane by re-projecting the control points to a space of the input image through an inverse transformation.Type: GrantFiled: March 23, 2017Date of Patent: June 16, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Nahyup Kang, Young Hun Sung, KeeChang Lee
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Publication number: 20200175771Abstract: A display method includes displaying, in a virtual environment, an object to which a light source is set. The method further includes illuminating an area around the object based on the light source.Type: ApplicationFiled: February 5, 2020Publication date: June 4, 2020Applicant: Samsung Electronics Co., Ltd.Inventors: KeeChang LEE, Minsu AHN, Inwoo HA, Seungin PARK, Hyong Euk LEE, Heesae LEE
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Patent number: 10593113Abstract: A display method includes displaying, in a virtual environment, an object to which a light source is set. The method further includes illuminating an area around the object based on the light source.Type: GrantFiled: March 3, 2015Date of Patent: March 17, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: KeeChang Lee, Minsu Ahn, Inwoo Ha, Seungin Park, Hyong Euk Lee, Heesae Lee
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Patent number: 10560673Abstract: An image recovery apparatus and method are provided, where the image recovery apparatus calculates a reference color image based on a linear correlation between a color channel image and a luminance channel image, and corrects the luminance channel image based on residual information that indicates a difference between the reference color image and the color channel image, to recover an image.Type: GrantFiled: October 16, 2018Date of Patent: February 11, 2020Assignees: Samsung Electronics Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Inhwan Ryu, Moon Gi Kang, KeeChang Lee, Seung Hoon Jee, Min Sub Kim
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Publication number: 20190394437Abstract: An image recovery apparatus and method are provided, where the image recovery apparatus calculates a reference color image based on a linear correlation between a color channel image and a luminance channel image, and corrects the luminance channel image based on residual information that indicates a difference between the reference color image and the color channel image, to recover an image.Type: ApplicationFiled: October 16, 2018Publication date: December 26, 2019Applicants: Samsung Electronics Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Inhwan RYU, Moon Gi KANG, KeeChang LEE, Seung Hoon JEE, Min Sub KIM
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Publication number: 20190295261Abstract: A processor-implemented learning method for an image segmentation includes training first duplicate layers, as duplications of trained first layers of a pre-trained model, so that a second feature extracted from a target image by the trained first duplicate layers is matched to a first feature extracted from a training image by the trained first layers; regularizing the trained first duplicate layers so that a similarity between the first feature and a third feature extracted from the training image by the regularized first duplicate layers meets a threshold; and training second duplicate layers, as duplications of trained second layers of the pre-trained model, to be configured to segment the target image based on the regularized first duplicate layers, the trained second layer being configured to segment the training image.Type: ApplicationFiled: August 14, 2018Publication date: September 26, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nahyup KANG, KeeChang LEE, Inwoo HA
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Patent number: 10388252Abstract: A method and device for adjusting a brightness of a display includes, determining current viewpoint brightness information of a current viewpoint region on the display corresponding to a user current viewed point or area of the display, determining previous brightness information of a previous viewpoint region of the display corresponding to a previously viewed point or area of the display, and controlling a displaying of a current image, including the current viewpoint region, with an adjusted brightness for a partial region of the display based on a comparison of the current viewpoint brightness information and the previous brightness information.Type: GrantFiled: July 11, 2016Date of Patent: August 20, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Heesae Lee, Donghoon Sagong, Minjung Son, KeeChang Lee, Hyong Euk Lee
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Patent number: 10334697Abstract: A method of displaying an illumination includes: based on illumination information, determining, using a least one processor, an illumination area to which an illumination assigned in a virtual space is projected; and visualizing, using the at least one processor, an illumination effect produced by the illumination with respect to a determined boundary area in the illumination area, the determined boundary area including a boundary and a portion of the determined illumination area that is less than all of the determined illumination area.Type: GrantFiled: August 26, 2016Date of Patent: June 25, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Minjung Son, Donghoon Sagong, KeeChang Lee, Hyong Euk Lee, Heesae Lee
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Publication number: 20190178669Abstract: Provided are a content visualizing device and method that changes positions and shapes of route guidance content and driving related content based on a distance to an adjacent object, a current driving state, and an occurrence of a driving related event.Type: ApplicationFiled: April 6, 2018Publication date: June 13, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: HeeSae LEE, KeeChang LEE
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Publication number: 20190137294Abstract: A method and apparatus for displaying a virtual route estimates a position of a vehicle based on sensing data received asynchronously from sensors, and outputs a three-dimensional (3D) virtual route generated by registering a driving environment model corresponding to a driving environment of the vehicle and the position of the vehicle in map information.Type: ApplicationFiled: March 13, 2018Publication date: May 9, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Kyungboo JUNG, Nahyup KANG, KeeChang LEE, Sunghoon HONG
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Publication number: 20190095722Abstract: A method and apparatus for identifying a driving lane extracts a road marking from an input image, generate a multi-virtual lane using the road marking and a segmentation image obtained by segmenting the input image into objects included in the input image based on a semantic unit, and identifies a driving lane of a vehicle based on a relative location of the driving lane in the multi-virtual lane.Type: ApplicationFiled: February 8, 2018Publication date: March 28, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nahyup KANG, KeeChang LEE, Inwoo HA
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Publication number: 20180209802Abstract: A vehicle path guiding method includes: generating, based on location information of a vehicle determined using first sensor data, vehicle path information to guide the vehicle to a path along which the vehicle is to be driven; determining a driving lane in which the vehicle is travelling based on an ambient image of the vehicle; correcting the generated vehicle path information based on a location of the determined driving lane; and displaying the corrected vehicle path information.Type: ApplicationFiled: June 9, 2017Publication date: July 26, 2018Applicant: Samsung Electronics Co., Ltd.Inventors: Kyungboo JUNG, Young Hun SUNG, KeeChang LEE, Won-Hee LEE, Hwi-Ryong JUNG
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Patent number: 9989642Abstract: A method of acquiring a depth image and an image acquiring apparatus. The method of acquiring the depth image includes receiving a plurality of phase images with respect to a subject, the plurality of phase images having phases different from one another, eliminating noise from the plurality of phase images, and acquiring the depth image with respect to the subject utilizing the plurality of phase images from which noise has been eliminated.Type: GrantFiled: October 2, 2014Date of Patent: June 5, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Byongmin Kang, Dokyoon Kim, Keechang Lee
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Publication number: 20180151154Abstract: A method to prevent glare includes: detecting a glare with respect to a transparent display; identifying a light source corresponding to the glare; and setting a penetration level of a target region corresponding to a shape of the light source in the transparent display.Type: ApplicationFiled: June 27, 2017Publication date: May 31, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Heesae LEE, Young Hun SUNG, KeeChang LEE
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Publication number: 20180131924Abstract: A method for generating a three-dimensional (3D) lane model, the method including calculating a free space indicating a driving-allowed area based on a driving image captured from a vehicle camera, generating a dominant plane indicating plane information of a road based on either or both of depth information of the free space and a depth map corresponding to a front of the vehicle, and generating a 3D short-distance road model based on the dominant plane.Type: ApplicationFiled: March 7, 2017Publication date: May 10, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hwiryong JUNG, Young Hun SUNG, KeeChang LEE, Kyungboo JUNG
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Publication number: 20180129887Abstract: Disclosed are methods and apparatuses for indicating a lane, the method including detecting a lane marking from an input image, acquiring a bird's eye view image by applying an inverse perspective mapping to the detected lane marking, extracting control points corresponding to the lane marking from the bird's eye view image, and indicating a lane by re-projecting the control points to a space of the input image through an inverse transformation.Type: ApplicationFiled: March 23, 2017Publication date: May 10, 2018Applicant: Samsung Electronics Co., Ltd.Inventors: Nahyup KANG, Young Hun SUNG, KeeChang LEE
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Patent number: 9945947Abstract: A method and apparatus for generating a depth value corresponding to a subject by using a depth camera includes dividing a predetermined time section into n sub-time sections in order to measure the depth value, acquiring a voltage value corresponding to the amount of light reflected from the subject in each sub-time section, by using at least one photodiode included in the depth camera, quantizing the voltage value to any one level among predetermined levels, on the basis of the acquired n voltage values, and outputting the quantized value.Type: GrantFiled: June 2, 2015Date of Patent: April 17, 2018Assignees: Samsung Electronics Co., Ltd., The Regents of the University of MichiganInventors: Jungsoon Shin, Keechang Lee, Euisik Yoon, Jihyun Cho
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Patent number: 9922452Abstract: A method of adjusting a brightness of an image includes matching an object model to an object based on one or more feature points of the object extracted from an input image including the object; mapping a surface normal map in a two-dimensional (2D) image form to the input image based on the matched object model; and generating shadow information for the input image based on the mapped surface normal map and a virtual light source.Type: GrantFiled: August 30, 2016Date of Patent: March 20, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Minjung Son, Heesae Lee, Donghoon Sagong, KeeChang Lee, Hyong Euk Lee
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Patent number: 9746547Abstract: A method of generating a depth image includes irradiating an object with a light which is generated from a light source, acquiring a plurality of phase difference signals which have different phase differences from one another, by sensing a reflection light reflected from the object, generating a first depth image based on the plurality of phase difference signals, generating a second depth image based on phase difference signals in which a motion artifact has not occurred, among the plurality of phase difference signals, generating a third depth image by combining the first depth image and the second depth image.Type: GrantFiled: January 15, 2015Date of Patent: August 29, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Sunkwon Kim, Seungwon Jung, Ouk Choi, Byongmin Kang, Jungsoon Shin, Keechang Lee