Patents by Inventor Chan-Yul Kim
Chan-Yul Kim 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: 20210092409Abstract: Provided is a method of decoding an image, the method including: determining at least one coding unit for splitting an image, based on block shape information of a current coding unit; determining at least one transformation unit, based on a shape of the current coding unit included in the at least one coding unit; and decoding the image by performing inverse transformation based on the at least one transformation unit, wherein the block shape information indicates whether the current coding unit is a square shape or a non-square shape. Also, provided is an encoding method corresponding to the decoding method. In addition, provided is an encoding apparatus or decoding apparatus capable of performing the encoding or decoding method.Type: ApplicationFiled: December 8, 2020Publication date: March 25, 2021Applicant: Samsung Electronics Co., Ltd.Inventors: Jung-hye Min, Min-woo Park, Bo-ra Jin, Chan-yul Kim
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Publication number: 20210092410Abstract: Provided is a method of decoding an image, the method including: determining at least one coding unit for splitting an image, based on block shape information of a current coding unit; determining at least one transformation unit, based on a shape of the current coding unit included in the at least one coding unit; and decoding the image by performing inverse transformation based on the at least one transformation unit, wherein the block shape information indicates whether the current coding unit is a square shape or a non-square shape. Also, provided is an encoding method corresponding to the decoding method. In addition, provided is an encoding apparatus or decoding apparatus capable of performing the encoding or decoding method.Type: ApplicationFiled: December 8, 2020Publication date: March 25, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung-hye MIN, Min-woo Park, Bo-ra Jin, Chan-yul Kim
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Patent number: 10904537Abstract: Provided is a method of decoding an image, the method including: determining at least one coding unit for splitting an image, based on block shape information of a current coding unit; determining at least one transformation unit, based on a shape of the current coding unit included in the at least one coding unit; and decoding the image by performing inverse transformation based on the at least one transformation unit, wherein the block shape information indicates whether the current coding unit is a square shape or a non-square shape. Also, provided is an encoding method corresponding to the decoding method. In addition, provided is an encoding apparatus or decoding apparatus capable of performing the encoding or decoding method.Type: GrantFiled: October 10, 2016Date of Patent: January 26, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung-hye Min, Min-woo Park, Bo-ra Jin, Chan-yul Kim
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Publication number: 20210021828Abstract: Provided is a video decoding method including obtaining split information indicating whether to split a current block; when the split information indicates that the current block is split, splitting the current block into at least two lower blocks; obtaining encoding order information indicating an encoding order of the at least two lower blocks of the current block; determining a decoding order of the at least two lower blocks according to the encoding order information; and decoding the at least two lower blocks according to the decoding order.Type: ApplicationFiled: October 1, 2020Publication date: January 21, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yin-ji PIAO, Jie CHEN, Chan-yul KIM
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Publication number: 20210021827Abstract: Provided is a video decoding method including obtaining split information indicating whether to split a current block; when the split information indicates that the current block is split, splitting the current block into at least two lower blocks; obtaining encoding order information indicating an encoding order of the at least two lower blocks of the current block; determining a decoding order of the at least two lower blocks according to the encoding order information; and decoding the at least two lower blocks according to the decoding order.Type: ApplicationFiled: October 1, 2020Publication date: January 21, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yin-ji PIAO, Jie CHEN, Chan-yul KIM
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Publication number: 20210021845Abstract: Provided are an inter prediction method and a motion compensation method. The inter prediction method includes: performing inter prediction on a current image by using a long-term reference image stored in a decoded picture buffer; determining residual data and a motion vector of the current image generated via the inter prediction; and determining least significant bit (LSB) information as a long-term reference index indicating the long-term reference image by dividing picture order count (POC) information of the long-term reference image into most significant bit (MSB) information and the LSB information.Type: ApplicationFiled: October 1, 2020Publication date: January 21, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-o PARK, Il-koo KIM, Chan-yul KIM, Kwang-pyo CHOI
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Publication number: 20210021826Abstract: Provided is a video decoding method including obtaining split information indicating whether to split a current block; when the split information indicates that the current block is split, splitting the current block into at least two lower blocks; obtaining encoding order information indicating an encoding order of the at least two lower blocks of the current block; determining a decoding order of the at least two lower blocks according to the encoding order information; and decoding the at least two lower blocks according to the decoding order.Type: ApplicationFiled: October 1, 2020Publication date: January 21, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yin-ji PIAO, Jie Chen, Chan-yul Kim
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Patent number: 10880548Abstract: Provided is a video decoding method including obtaining split information indicating whether to split a current block; when the split information indicates that the current block is split, splitting the current block into at least two lower blocks; obtaining encoding order information indicating an encoding order of the at least two lower blocks of the current block; determining a decoding order of the at least two lower blocks according to the encoding order information; and decoding the at least two lower blocks according to the decoding order.Type: GrantFiled: April 7, 2017Date of Patent: December 29, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yin-ji Piao, Jie Chen, Chan-yul Kim
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Publication number: 20200359012Abstract: Provided is a method of decoding a video according to an embodiment, the method including determining at least one processing block for splitting the video; determining an order of determining at least one largest coding unit in the at least one processing block; determining at least one largest coding unit on the basis of the determined order; and decoding the determined at least one largest coding unit, wherein the order is one of a plurality of orders for determining a largest coding unit.Type: ApplicationFiled: July 27, 2020Publication date: November 12, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ki-ho CHOI, Min-woo PARK, Elena ALSHINA, Chan-yul KIM, In-kwon CHOI
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Publication number: 20200359015Abstract: Provided is a video decoding method including obtaining, from a bitstream, split information indicating whether a current block is to be split; when the split information does not indicate that the current block is to be split, decoding the current block according to encoding information about the current block; and when the split information indicates that the current block is to be split, splitting the current block into at least two lower blocks, obtaining encoding order information indicating an encoding order of the at least two lower blocks of the current block from the bitstream, determining a decoding order of the at least two lower blocks according to the encoding order information, and decoding the at least two lower blocks according to the decoding order.Type: ApplicationFiled: July 28, 2020Publication date: November 12, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yin-ji PIAO, Jie CHEN, Chan-yul KIM
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Publication number: 20200359014Abstract: Provided is a video decoding method including obtaining, from a bitstream, split information indicating whether a current block is to be split; when the split information does not indicate that the current block is to be split, decoding the current block according to encoding information about the current block; and when the split information indicates that the current block is to be split, splitting the current block into at least two lower blocks, obtaining encoding order information indicating an encoding order of the at least two lower blocks of the current block from the bitstream, determining a decoding order of the at least two lower blocks according to the encoding order information, and decoding the at least two lower blocks according to the decoding order.Type: ApplicationFiled: July 28, 2020Publication date: November 12, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yin-ji PIAO, Jie CHEN, Chan-yul KIM
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Publication number: 20200359013Abstract: Provided is a method of decoding a video according to an embodiment, the method including determining at least one processing block for splitting the video; determining an order of determining at least one largest coding unit in the at least one processing block; determining at least one largest coding unit on the basis of the determined order; and decoding the determined at least one largest coding unit, wherein the order is one of a plurality of orders for determining a largest coding unit.Type: ApplicationFiled: July 27, 2020Publication date: November 12, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ki-ho CHOI, Min-woo PARK, Elena ALSHINA, Chan-yul KIM, In-kwon CHOI
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Patent number: 10823958Abstract: A control method of an electronic device, an electronic device, and a control method of an electronic device that performs encoding are provided. The control method of the electronic device includes obtaining a video, determining a part corresponding to a user gaze on a first frame in the first frame of the video, determining a decoding-target part, which includes the part corresponding to the user gaze on the first frame and has a size greater than or equal to the part corresponding to the user gaze on the first frame, decoding the decoding-target part, and displaying an image of the part corresponding to the user gaze on the first frame among the decoding-target part.Type: GrantFiled: August 3, 2017Date of Patent: November 3, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Chan-Yul Park, Han-Sang Kim, Bong-Soo Jung
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Patent number: 10827197Abstract: Provided is a multilayer video decoding method including obtaining a multilayer video bitstream; determining, based on the obtained multilayer video bitstream, whether or not a default reference type, in which at least one layer is inter-layer predicted by using at least one reference layer by default, is used; and inter-layer predicting the at least one layer by using the at least one reference layer according to the default reference type, based on the determining of whether or not the default reference type is used, and decoding an image including the at least one layer.Type: GrantFiled: April 26, 2016Date of Patent: November 3, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byeong-doo Choi, Min-woo Park, Jin-young Lee, Ho-cheon Wey, Chan-yul Kim
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Patent number: 10820002Abstract: An image encoding apparatus includes an annexed data obtainer configured to obtain annexed data that is annexed to image data and that is to be transmitted along with the image data; an annexed image data obtainer configured to convert the obtained annexed data and obtain annexed image data having a same format as that of the image data; and an encoder configured to obtain transmission image data based on the annexed image data and the image data and encode the transmission image data according to a first codec.Type: GrantFiled: December 10, 2015Date of Patent: October 27, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Min-woo Park, In-kwon Choi, Chan-yul Kim, Kwang-pyo Choi, Seung-soo Jeong
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Patent number: 10819989Abstract: Provided are an inter prediction method and a motion compensation method. The inter prediction method includes: performing inter prediction on a current image by using a long-term reference image stored in a decoded picture buffer; determining residual data and a motion vector of the current image generated via the inter prediction; and determining least significant bit (LSB) information as a long-term reference index indicating the long-term reference image by dividing picture order count (POC) information of the long-term reference image into most significant bit (MSB) information and the LSB information.Type: GrantFiled: January 24, 2020Date of Patent: October 27, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-o Park, Il-koo Kim, Chan-yul Kim, Kwang-pyo Choi
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Publication number: 20200329241Abstract: Provided is an image decoding method of decoding an image, the image decoding method including: obtaining at least one of block shape information and split shape information about a first coding unit included in the image, from a bitstream; determining at least one second coding unit included in the first coding unit based on at least one of the block shape information and the split shape information; and decoding the image based on the at least one second coding unit, wherein the block shape information indicates a shape of the first coding unit and the split shape information indicates whether the first coding unit is split into the at least one second coding unit. Also, provided is an image encoding method corresponding to the image decoding method. Also, provided is an image encoding apparatus and image decoding apparatus for respectively performing the image encoding method and image decoding method.Type: ApplicationFiled: October 10, 2016Publication date: October 15, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Min-woo PARK, Bo-ra JIN, Chan-yul KIM, Jung-hye MIN
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Patent number: 10798375Abstract: Provided is a video decoding method including obtaining, from a bitstream, split information indicating whether a current block is to be split; when the split information does not indicate that the current block is to be split, decoding the current block according to encoding information about the current block; and when the split information indicates that the current block is to be split, splitting the current block into at least two lower blocks, obtaining encoding order information indicating an encoding order of the at least two lower blocks of the current block from the bitstream, determining a decoding order of the at least two lower blocks according to the encoding order information, and decoding the at least two lower blocks according to the decoding order.Type: GrantFiled: October 31, 2017Date of Patent: October 6, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yin-ji Piao, Jie Chen, Chan-yul Kim
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Patent number: 10785476Abstract: Provided is a method of decoding a video according to an embodiment, the method including determining at least one processing block for splitting the video; determining an order of determining at least one largest coding unit in the at least one processing block; determining at least one largest coding unit on the basis of the determined order; and decoding the determined at least one largest coding unit, wherein the order is one of a plurality of orders for determining a largest coding unit.Type: GrantFiled: May 10, 2016Date of Patent: September 22, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ki-ho Choi, Min-woo Park, Elena Alshina, Chan-yul Kim, In-kwon Choi
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Patent number: 10771820Abstract: Provided is an image encoding method including generating a first picture reconstructed by using a residual picture and a predicted picture; generating a second picture by applying a first artifact reduction filter to the first picture; determining a picture having a smaller bit-rate distortion cost from among the first and second pictures by comparing a first bit-rate distortion cost of the first picture with a second bit-rate distortion cost of the second picture; generating a third picture by applying an in-loop filter to the determined picture; generating a fourth picture by applying a second artifact reduction filter to the third picture; determining a picture having smaller distortion from among the third and fourth pictures by comparing first distortion of the third picture with second distortion of the fourth picture; and generating, via a processor, a bitstream including information about whether the second artifact reduction filter is applied.Type: GrantFiled: August 20, 2018Date of Patent: September 8, 2020Assignees: SAMSUNG ELECTRONICS CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Sun-il Lee, Sangyoun Lee, Sanghoon Lee, Dosik Hwang, Changhyun Park, Sewoong Ahn, Jinseong Jang, Chan-yul Kim, Taeoh Kim, Taejoon Eo, Jongyoo Kim