Patents by Inventor Byeong-chan Park
Byeong-chan Park 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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Publication number: 20240077594Abstract: Provided is an optical phase array antenna including a coupling unit for receiving light from a light source, a light distribution unit for distributing light propagated from the coupling unit to a plurality of optical paths, a phase modulation unit for modulating a phase of the light distributed from the light distribution unit, and a light output unit that outputs the light modulated by the phase modulation unit, and includes an antenna element waveguide extending at a predetermined length through which the light propagates, and a clad layer formed to surround the antenna element waveguide, in which the antenna element waveguide has a first recessed portion recessed downward with respect to an upper surface thereof, and the clad layer has a second recessed portion recessed downward with respect to an upper surface thereof at a position adjacent to the first recessed portion.Type: ApplicationFiled: December 28, 2022Publication date: March 7, 2024Applicant: GIST (Gwangju Institute of Science and Technology)Inventors: Nan Ei YU, Byeong Chan PARK
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Publication number: 20220155419Abstract: Provided is an optical phase array antenna including a coupling part configured to receive light from a laser generator, an optical distributor configured to distribute the light transmitted from the coupling part to a plurality of antenna element waveguides, a phase modulator configured to modulate a phase of the light transmitted through the plurality of antenna element waveguides, and a light outputter configured to output the light modulated by the phase modulator, the light outputter including the plurality of antenna element waveguides extending in one direction, wherein each of the plurality of antenna element waveguides includes a double grating antenna part in which a downward-curved portion curved downward from an upper surface and an upward-curved portion curved upward from a lower surface are repeatedly formed in the one direction.Type: ApplicationFiled: October 15, 2021Publication date: May 19, 2022Applicant: GIST (Gwangju Institute of Science and Technology)Inventors: Nan Ei YU, Byeong Chan PARK
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Patent number: 11153498Abstract: An electronic device includes an image sensor including a first pixel subset with a first sensitivity and a second pixel subset having with a second sensitivity, and a processor to process image data generated through the image sensor. The processor obtains image data through each of the first pixel subset and the second pixel subset, select at least one sub-image data based at least on the attribute information of the first sub-image data and the second sub-image data of the image data, and obtain focus information corresponding to the external subject using the selected sub-image data.Type: GrantFiled: December 21, 2017Date of Patent: October 19, 2021Inventors: Byeong Chan Park, Min Soo Kim, In Koo Kang, Jong Hoon Won, Kwang Tai Kim, Dong Hyun Yeom, Ki Huk Lee
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Patent number: 10939032Abstract: Various examples of the present invention relate to an electronic device, and an autofocusing processing method in the electronic device, and the electronic device can: receive a first image obtained by imaging a subject at a first position of at least one lens, when autofocus searching is performed; perform image processing and autofocus processing for the first image; receive a second image obtained by imaging the subject at a second position of the lens; generate compensation information by using first brightness information of the first image and second brightness information of the second image; compensate for the brightness of the second image by using the compensation information; and perform image processing and autofocus processing for the second image of which the brightness has been compensated for.Type: GrantFiled: November 11, 2016Date of Patent: March 2, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Byeong-Chan Park, Kyung-Dong Yang
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Publication number: 20200267304Abstract: Various examples of the present invention relate to an electronic device, and an autofocusing processing method in the electronic device, and the electronic device can: receive a first image obtained by imaging a subject at a first position of at least one lens, when autofocus searching is performed; perform image processing and autofocus processing for the first image; receive a second image obtained by imaging the subject at a second position of the lens; generate compensation information by using first brightness information of the first image and second brightness information of the second image; compensate for the brightness of the second image by using the compensation information; and perform image processing and autofocus processing for the second image of which the brightness has been compensated for.Type: ApplicationFiled: November 11, 2016Publication date: August 20, 2020Inventors: Byeong-Chan PARK, Kyung-Dong YANG
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Publication number: 20190364186Abstract: An electronic device includes an image sensor including a first pixel subset with a first sensitivity and a second pixel subset having with a second sensitivity, and a processor to process image data generated through the image sensor. The processor obtains image data through each of the first pixel subset and the second pixel subset, select at least one sub-image data based at least on the attribute information of the first sub-image data and the second sub-image data of the image data, and obtain focus information corresponding to the external subject using the selected sub-image data.Type: ApplicationFiled: December 21, 2017Publication date: November 28, 2019Inventors: Byeong Chan PARK, Min Soo KIM, In Koo KANG, Jong Hoon WON, Kwang Tai KIM, Dong Hyun YEOM, Ki Huk LEE
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Patent number: 10382665Abstract: An electronic device is provided. The electronic device includes a first camera module including a first lens set, a second camera module including a second lens set, and a processor connected to the first camera module and a second camera module. The processor is configured to move the first lens focus on a subject, resulting in an auto focus (AF) value and an image obtained by the first camera module, evaluate reliability of the AF value, based on the reliability of the AF value, calculate a movement parameter of the second lens set, corresponding to a movement parameter of the first lens set, and move the second lens set depending on the calculated movement parameter.Type: GrantFiled: December 14, 2017Date of Patent: August 13, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Seok Woon Sa, Byeong Chan Park, In Koo Kang, Seung Han Lee, Kwang Tai Kim, Dong Hyun Yeom, Jong Hoon Won, Ki Huk Lee
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Patent number: 10182196Abstract: According to various embodiments of the present disclosure, an electronic device includes: a camera module that obtains an image; and a processor which implements the method, including setting a quadrangular area in the obtained image including a reference pixel and a corresponding pixel disposed respectively at corners of the quadrangular area, calculating an accumulated-pixel value for each pixel of the obtained image corresponding to the quadrangular area, such that a particular pixel value for a particular pixel is a sum of the pixel values beginning from the reference pixel, continuing though an arrangement of pixels in the quadrangular area and terminating at the particular pixel, and generating an image quality processing-dedicated frame of accumulated-pixel values based on calculated accumulated-pixel values of each pixel of the frame.Type: GrantFiled: September 29, 2016Date of Patent: January 15, 2019Assignee: Samsung Electronics Co., Ltd.Inventor: Byeong-Chan Park
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Publication number: 20180191947Abstract: An electronic device is provided. The electronic device includes a first camera module including a first lens set, a second camera module including a second lens set, and a processor connected to the first camera module and a second camera module. The processor is configured to move the first lens focus on a subject, resulting in an auto focus (AF) value and an image obtained by the first camera module, evaluate reliability of the AF value, based on the reliability of the AF value, calculate a movement parameter of the second lens set, corresponding to a movement parameter of the first lens set, and move the second lens set depending on the calculated movement parameter.Type: ApplicationFiled: December 14, 2017Publication date: July 5, 2018Inventors: Seok Woon SA, Byeong Chan PARK, In Koo KANG, Seung Han LEE, Kwang Tai KIM, Dong Hyun YEOM, Jong Hoon WON, Ki Huk LEE
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Publication number: 20170099444Abstract: According to various embodiments of the present disclosure, an electronic device includes: a camera module that obtains an image; and a processor which implements the method, including setting a quadrangular area in the obtained image including a reference pixel and a corresponding pixel disposed respectively at corners of the quadrangular area, calculating an accumulated-pixel value for each pixel of the obtained image corresponding to the quadrangular area, such that a particular pixel value for a particular pixel is a sum of the pixel values beginning from the reference pixel, continuing though an arrangement of pixels in the quadrangular area and terminating at the particular pixel, and generating an image quality processing-dedicated frame of accumulated-pixel values based on calculated accumulated-pixel values of each pixel of the frame.Type: ApplicationFiled: September 29, 2016Publication date: April 6, 2017Inventor: Byeong-Chan PARK
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Patent number: 8786760Abstract: A digital photographing apparatus and method using a face recognition function for obtaining an image in which a plurality of faces are focused by setting AF areas in the plurality of recognized faces and photographing the faces in a bracket mode based on the set AF areas. The digital photographing apparatus includes: a face recognition unit detecting face information from a real image; an AF region setting unit setting a plurality of AF areas based on the detected face information; and a control unit operating so that an image is captured by adjusting focuses of the set plurality of AF areas.Type: GrantFiled: August 6, 2008Date of Patent: July 22, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-sik Yu, Sang-ryoon Son, Byeong-chan Park
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Patent number: 8599300Abstract: A digital photographing apparatus such as a digital camera, having a retractable body tube containing a lens assembly, and a method of controlling the same. The digital camera receives an ongoing series of images, analyzes differences between images to determine an abnormal camera condition such as dropping the camera, and automatically retracts the body tube into the camera to protect it from impact.Type: GrantFiled: September 21, 2011Date of Patent: December 3, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Byeong-chan Park, Hyun-sik Yu, Sang-ryoon Son
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Patent number: 8502904Abstract: Provided are a digital photographing apparatus which provides the benefit of distorting an image of an object display on an electronic viewfinder so that the object does not appear to be distorted to a user with astigmatism, and a method of controlling the digital photographing apparatus. The digital photographing apparatus includes an image capture device configured to generate data from light incident to an object to generate preview images of the object; and an electronic viewfinder configured to display preview images, wherein the digital photographing apparatus is configured to distort the preview image to correct for the vision of a user and to control the electronic viewfinder to display the distorted preview image.Type: GrantFiled: November 18, 2009Date of Patent: August 6, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-ryoon Son, Hyun-sik Yu, Byeong-chan Park
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Patent number: 8456551Abstract: A photographing apparatus including an imaging device configured to obtain a first image of a subject captured with a long shutter exposure time and a second image of the subject captured by setting a short shutter exposure time, wherein the long exposure time is greater than the short exposure time; and a live-view generation unit configured to generate a smear-corrected third image by subtracting pixel values of the second image from the corresponding pixel values of the first image. A smear correction method of a photographing apparatus, the method including capturing a first image of a subject by setting a long electrical shutter exposure time; capturing a second image of a subject by setting a short electrical shutter exposure time; and generating a smear-corrected third image by subtracting pixel values of the second images from the corresponding pixel values of the first image.Type: GrantFiled: November 19, 2010Date of Patent: June 4, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Byeong-chan Park, Sang-ryoon Son
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Patent number: 8237827Abstract: Provided are a digital photographing apparatus, and associated method and recording medium with method instructions, by which smear generation during moving picture photographing or moving picture display is effectively reduced. The digital photographing apparatus includes an imaging device having an effective area that generates first image data from incident light and an optical black area that is disposed outside the effective area and extends horizontally; a first smear correction unit that corrects the first image data generated by the effective area by using smear data generated by the optical black area, thereby acquiring second image data corresponding to a second frame image comprising less smear than a first frame image corresponding to the first image data; a unit corrects the second image data thereby acquiring third image data.Type: GrantFiled: February 26, 2010Date of Patent: August 7, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-sik Yu, Byeong-chan Park, Sang-ryoon Son
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Publication number: 20120113279Abstract: A digital photographing apparatus such as a digital camera, having a retractable body tube containing a lens assembly, and a method of controlling the same. The digital camera receives an ongoing series of images, analyzes differences between images to determine an abnormal camera condition such as dropping the camera, and automatically retracts the body tube into the camera to protect it from impact.Type: ApplicationFiled: September 21, 2011Publication date: May 10, 2012Applicant: Samsung Electronics Co., Ltd.Inventors: Byeong-chan PARK, Hyun-sik YU, Sang-ryoon SON
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Publication number: 20110134290Abstract: A photographing apparatus including an imaging device configured to obtain a first image of a subject captured with a long shutter exposure time and a second image of the subject captured by setting a short shutter exposure time, wherein the long exposure time is greater than the short exposure time; and a live-view generation unit configured to generate a smear-corrected third image by subtracting pixel values of the second image from the corresponding pixel values of the first image. A smear correction method of a photographing apparatus, the method including capturing a first image of a subject by setting a long electrical shutter exposure time; capturing a second image of a subject by setting a short electrical shutter exposure time; and generating a smear-corrected third image by subtracting pixel values of the second images from the corresponding pixel values of the first image.Type: ApplicationFiled: November 19, 2010Publication date: June 9, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Byeong-chan Park, Sang-ryoon Son
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Publication number: 20100220225Abstract: Provided are a digital photographing apparatus, and associated method and recording medium with method instructions, by which smear generation during moving picture photographing or moving picture display is effectively reduced. The digital photographing apparatus includes an imaging device having an effective area that generates first image data from incident light and an optical black area that is disposed outside the effective area and extends horizontally; a first smear correction unit that corrects the first image data generated by the effective area by using smear data generated by the optical black area, thereby acquiring second image data corresponding to a second frame image comprising less smear than a first frame image corresponding to the first image data; a unit corrects the second image data thereby acquiring third image data.Type: ApplicationFiled: February 26, 2010Publication date: September 2, 2010Applicant: Samsung Digital Imaging Co., Ltd.Inventors: Hyun-sik Yu, Byeong-chan Park, Sang-ryoon Son
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Publication number: 20100157109Abstract: Provided are a digital photographing apparatus which provides the benefit of distorting an image of an object display on an electronic viewfinder so that the object does not appear to be distorted to a user with astigmatism, and a method of controlling the digital photographing apparatus. The digital photographing apparatus includes an image capture device configured to generate data from light incident to an object to generate preview images of the object; and an electronic viewfinder configured to display preview images, wherein the digital photographing apparatus is configured to distort the preview image to correct for the vision of a user and to control the electronic viewfinder to display the distorted preview image.Type: ApplicationFiled: November 18, 2009Publication date: June 24, 2010Applicant: Samsung Digital Imaging Co., Ltd.Inventors: Sang-ryoon Son, Hyun-sik Yu, Byeong-chan Park
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Publication number: 20100123801Abstract: Provided are a digital image processing apparatus capable of detecting faces of people on an input image and obtaining images captured based on different setting values for the faces, and a method of controlling the digital image processing apparatus. The method includes receiving an input image; detecting faces of people in the input image; detecting different skin colors of the faces; setting shooting conditions according to different skin colors of the faces detected on the input image; and capturing images based on the shooting conditions.Type: ApplicationFiled: November 19, 2009Publication date: May 20, 2010Applicant: Samsung Digital Imaging Co., Ltd.Inventors: Sang-ryoon Son, Byeong-chan Park, Hyun-sik Yu