Patents by Inventor Byeong-Moon Jeon
Byeong-Moon Jeon 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: 11949885Abstract: An intra prediction method and a device using the intra prediction method are provided. The intra prediction method includes the steps of: deriving a current prediction mode as a prediction mode of a current block; constructing neighboring samples of the current block with available reference samples; filtering the available reference samples; and generating predicted samples of the current block on the basis of the filtered available reference samples. The filtering step includes performing the filtering using the available reference sample located in the prediction direction of the current prediction mode and a predetermined number of available reference samples neighboring to the prediction direction of the current prediction mode.Type: GrantFiled: May 2, 2023Date of Patent: April 2, 2024Assignee: LG ELECTRONICS INC.Inventors: Yong Joon Jeon, Seung Wook Park, Jung Sun Kim, Joon Young Park, Byeong Moon Jeon, Jae Hyun Lim
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Patent number: 11930201Abstract: The present invention includes obtaining block type identification information on a partition of the current macroblock when the current macroblock is intra-mixed specifying a bock type of the current macroblock based on the block type identification information, obtaining an intra prediction mode of the current macroblock according to the block type of the partition of the current macroblock, and predicting the current macroblock using the intra prediction mode and a pixel value of a neighboring block.Type: GrantFiled: April 18, 2023Date of Patent: March 12, 2024Assignee: LG ELECTRONICS INC.Inventors: Joon Young Park, Seung Wook Park, Jung Sun Kim, Young Hee Choi, Byeong Moon Jeon
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Publication number: 20230370610Abstract: According to the present invention, an image-encoding method comprises the following steps: receiving image information; generating a restored block for the current block based on the image information; and generating a finally restored block for the current block by applying an in-loop filter to the restored block on the basis of the image information. According to the present invention, image-encoding/decoding efficiency may be improved.Type: ApplicationFiled: July 25, 2023Publication date: November 16, 2023Inventors: Seung Wook PARK, Jae Hyun LIM, Jung Sun KIM, Joon Young PARK, Young Hee CHOI, Byeong Moon JEON, Yong Joon JEON
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Publication number: 20230362404Abstract: A method for setting the motion vector list and the apparatus using the same may include determining the presence of a first motion vector or a second motion vector by a sequential determination process in a first spatial candidate prediction group; and setting the first motion vector or the second motion vector produced through the sequential determination process as the candidate prediction motion vector. Thus, the encoding/decoding time and the complexity can be reduced by restricting the scaling number in a process for scanning the candidate prediction motion vector.Type: ApplicationFiled: July 14, 2023Publication date: November 9, 2023Inventors: Seung Wook PARK, Jae Hyun LIM, Jung Sun KIM, Joon Young PARK, Young Hee CHOI, Byeong Moon JEON, Yong Joon JEON
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Patent number: 11765385Abstract: Disclosed are an intra prediction method of a chrominance block using a luminance sample and an apparatus using the same. An image decoding method comprises the steps of calculating an intra prediction mode of a chrominance block on the basis of an LM mapping table when the chrominance block uses an LM; and generating a prediction block for the chrominance block on the basis of the calculated intra prediction mode of the chrominance block. When intra prediction mode information of chrominance blocks are decoded, mutually different tables are used depending on whether or not an LM is used, so that encoding and decoding can be performed without an unnecessary waste of bits.Type: GrantFiled: May 4, 2022Date of Patent: September 19, 2023Assignee: LG ELECTRONICS INC.Inventors: Yong Joon Jeon, Seung Wook Park, Jae Hyun Lim, Jung Sun Kim, Joon Young Park, Young Hee Choi, Jae Won Sung, Byeong Moon Jeon
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Publication number: 20230291911Abstract: An intra prediction method and a device using the intra prediction method are provided. The intra prediction method includes the steps of: deriving a current prediction mode as a prediction mode of a current block; constructing neighboring samples of the current block with available reference samples; filtering the available reference samples; and generating predicted samples of the current block on the basis of the filtered available reference samples,. The filtering step includes performing the filtering using the available reference sample located in the prediction direction of the current prediction mode and a predetermined number of available reference samples neighboring to the prediction direction of the current prediction mode.Type: ApplicationFiled: May 2, 2023Publication date: September 14, 2023Inventors: Yong Joon JEON, Seung Wook PARK, Jung Sun KIM, Joon Young PARK, Byeong Moon JEON, Jae Hyun LIM
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Patent number: 11758149Abstract: According to the present invention, an image-encoding method comprises the following steps: receiving image information; generating a restored block for the current block based on the image information; and generating a finally restored block for the current block by applying an in-loop filter to the restored block on the basis of the image information. According to the present invention, image-encoding/decoding efficiency may be improved.Type: GrantFiled: April 7, 2022Date of Patent: September 12, 2023Assignee: LG Electronics Inc.Inventors: Seung Wook Park, Jae Hyun Lim, Jung Sun Kim, Joon Young Park, Young Hee Choi, Byeong Moon Jeon, Yong Joon Jeon
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Publication number: 20230276071Abstract: Disclosed are an intra prediction method of a chrominance block using a luminance sample and an apparatus using the same. An image decoding method comprises the steps of: calculating an intra prediction mode of a chrominance block on the basis of an LM mapping table when the chrominance block uses an LM; and generating a prediction block for the chrominance block on the basis of the calculated intra prediction mode of the chrominance block. When intra prediction mode information of chrominance blocks are decoded, mutually different tables are used depending on whether or not an LM is used, so that encoding and decoding can be performed without an unnecessary waste of bits.Type: ApplicationFiled: May 3, 2023Publication date: August 31, 2023Inventors: Yong Joon JEON, Seung Wook PARK, Jae Hyun LIM, Jung Sun KIM, Joon Young PARK, Young Hee CHOI, Jae Won SUNG, Byeong Moon JEON
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Patent number: 11743488Abstract: A method for setting the motion vector list and the apparatus using the same may include determining the presence of a first motion vector or a second motion vector by a sequential determination process in a first spatial candidate prediction group; and setting the first motion vector or the second motion vector produced through the sequential determination process as the candidate prediction motion vector. Thus, the encoding/decoding time and the complexity can be reduced by restricting the scaling number in a process for scanning the candidate prediction motion vector.Type: GrantFiled: August 6, 2021Date of Patent: August 29, 2023Assignee: LG Electronics Inc.Inventors: Seung Wook Park, Jae Hyun Lim, Jung Sun Kim, Joon Young Park, Young Hee Choi, Byeong Moon Jeon, Yong Joon Jeon
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Publication number: 20230254497Abstract: The present invention includes obtaining block type identification information on a partition of the current macroblock when the current macroblock is intra-mixed specifying a bock type of the current macroblock based on the block type identification information, obtaining an intra prediction mode of the current macroblock according to the block type of the partition of the current macroblock, and predicting the current macroblock using the intra prediction mode and a pixel value of a neighboring block.Type: ApplicationFiled: April 18, 2023Publication date: August 10, 2023Inventors: Joon Young PARK, Seung Wook Park, Jung Sun Kim, Young Hee Choi, Byeong Moon Jeon
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Patent number: 11700369Abstract: The present invention relates to an image information encoding and decoding method and a device for same. One embodiment of an image information encoding method according to the present invention, as an image information encoding method according to another embodiment of the present invention, includes the steps of: generating a restore block; applying a deblocking filter on the restore block; applying a Sample Adaptive Offset (SAO) on the restore block having the deblocking filter applied thereon; and transmitting information on the SAO application. During the applying of the SAO, the SAO is applied to chroma pixels, and during the transmitting of the information, in addition to information on whether the SAO is applied on the chroma pixels, at least one of area information, division information on the SAO coverage area, SAO type information, and SAO offset information is transmitted.Type: GrantFiled: March 8, 2022Date of Patent: July 11, 2023Assignee: LG ELECTRONICS INC.Inventors: Seung Wook Park, Jae Hyun Lim, Jung Sun Kim, Joon Young Park, Young Hee Choi, Byeong Moon Jeon, Yong Joon Jeon
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Publication number: 20230209098Abstract: The present invention relates to an entropy encoding method, an entropy decoding method and to an apparatus using same. The entropy decoding method includes: a step of decoding a bin of a syntax element; and a step of acquiring information on the syntax element based on the decoded bin. In the step of decoding the bin, context-based decoding or bypass decoding is performed for each bin of the syntax element.Type: ApplicationFiled: February 17, 2023Publication date: June 29, 2023Inventors: Jae Hyun Lim, Seung Wook Park, Yong Joon Jeon, Chul Keun Kim, Young Hee Choi, Jung Sun Kim, Nae Ri Park, Hendry Hendry, Byeong Moon Jeon, Joon Young Park
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Publication number: 20230199212Abstract: The present invention relates to a video signal decoding method for adding an intra prediction mode as a sub-macroblock type to prediction of a macroblock in coding a video signal. Some implementations may include obtaining a macroblock type, when a macroblock includes the intra prediction coded sub-macroblock and the inter prediction coded sub-macroblock based on the macroblock type, obtaining prediction mode flag information indicating whether the sub-macroblock is the intra prediction coded or the inter prediction coded, and obtaining a prediction value of the sub-macroblock. Accordingly, implementations disclosed herein may raise coding efficiency of video signal by adding an intra prediction mode as a sub-macroblock type in predicting a macroblock.Type: ApplicationFiled: February 14, 2023Publication date: June 22, 2023Inventors: Seung Wook Park, Jung Sun Kim, Yong Hee Choi, Byeong Moon Jeon, Joon Young Park
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Patent number: 11677961Abstract: An intra prediction method and a device using the intra prediction method are provided. The intra prediction method includes the steps of: deriving a current prediction mode as a prediction mode of a current block; constructing neighboring samples of the current block with available reference samples; filtering the available reference samples; and generating predicted samples of the current block on the basis of the filtered available reference samples. The filtering step includes performing the filtering using the available reference sample located in the prediction direction of the current prediction mode and a predetermined number of available reference samples neighboring to the prediction direction of the current prediction mode.Type: GrantFiled: July 15, 2021Date of Patent: June 13, 2023Assignee: LG ELECTRONICS INC.Inventors: Yong Joon Jeon, Seung Wook Park, Jung Sun Kim, Joon Young Park, Byeong Moon Jeon, Jae Hyun Lim
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Patent number: 11677977Abstract: Disclosed are an intra prediction method of a chrominance block using a luminance sample and an apparatus using the same. An image decoding method comprises the steps of: calculating an intra prediction mode of a chrominance block on the basis of an LM mapping table when the chrominance block uses an LM; and generating a prediction block for the chrominance block on the basis of the calculated intra prediction mode of the chrominance block. When intra prediction mode information of chrominance blocks are decoded, mutually different tables are used depending on whether or not an LM is used, so that encoding and decoding can be performed without an unnecessary waste of bits.Type: GrantFiled: October 20, 2021Date of Patent: June 13, 2023Assignee: LG Electronics Inc.Inventors: Yong Joon Jeon, Seung Wook Park, Jae Hyun Lim, Jung Sun Kim, Joon Young Park, Young Hee Choi, Jae Won Sung, Byeong Moon Jeon
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Patent number: 11665360Abstract: The present invention includes obtaining block type identification information on a partition of the current macroblock when the current macroblock is intra-mixed, specifying a bock type of the current macroblock based on the block type identification information, obtaining an ultra prediction mode of the current macroblock according to the block type of the partition of the current macroblock, and predicting the current macroblock using the intra prediction mode and a pixel value of a neighboring block.Type: GrantFiled: December 28, 2021Date of Patent: May 30, 2023Assignee: LG ELECTRONICS INC.Inventors: Joon Young Park, Seung Wook Park, Jung Sun Kim, Young Hee Choi, Byeong Moon Jeon
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Patent number: 11627332Abstract: According to the present invention, an inter-prediction method includes: receiving mode information on the inter-prediction of a current block; decoding the received mode information; and performing inter-prediction using the decoded mode information. According to the present invention, image compression efficiency may be improved.Type: GrantFiled: December 15, 2021Date of Patent: April 11, 2023Assignee: LG ELECTRONICS INC.Inventors: Jae Hyun Lim, Seung Wook Park, Jung Sun Kim, Yong Joon Jeon, Joon Young Park, Byeong Moon Jeon
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Patent number: 11622129Abstract: An intra prediction method and a device using the intra prediction method are provided. The intra prediction method using a DC mode includes setting a bottom-right pixel to a DC-predicted value, interpolating the bottom-right pixel and an n-th top reference pixel to derive predicted values of an n-th column and interpolating the bottom-right pixel and an n-th left reference pixel to derive predicted values of an n-row, and performing bidirectional linear interpolation to derive predicted values of pixels included in a prediction unit other than the n-th row and the n-th column.Type: GrantFiled: April 12, 2021Date of Patent: April 4, 2023Assignee: LG ELECTRONICS INC.Inventors: Yong Joon Jeon, Seung Wook Park, Jae Hyun Lim, Jung Sun Kim, Joon Young Park, Young Hee Choi, Jae Won Sung, Byeong Moon Jeon
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Patent number: 11616989Abstract: The present invention relates to an entropy encoding method, an entropy decoding method and to an apparatus using same. The entropy decoding method includes: a step of decoding a bin of a syntax element; and a step of acquiring information on the syntax element based on the decoded bin. In the step of decoding the bin, context-based decoding or bypass decoding is performed for each bin of the syntax element.Type: GrantFiled: October 19, 2020Date of Patent: March 28, 2023Assignee: LG ELECTRONICS INC.Inventors: Jae Hyun Lim, Seung Wook Park, Yong Joon Jeon, Chul Keun Kim, Young Hee Choi, Jung Sun Kim, Nae Ri Park, Hendry Hendry, Byeong Moon Jeon, Joon Young Park
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Patent number: 11611772Abstract: The present invention relates to a video signal decoding method for adding an intra prediction mode as a sub-macroblock type to prediction of a macroblock in coding a video signal. Some implementations may include obtaining a macroblock type, when a macroblock includes the intra prediction coded sub-macroblock and the inter prediction coded sub-macroblock based on the macroblock type, obtaining prediction mode flag information indicating whether the sub-macroblock is the intra prediction coded or the inter prediction coded, and obtaining a prediction value of the sub-macroblock. Accordingly, implementations disclosed herein may raise coding efficiency of video signal by adding an intra prediction mode as a sub-macroblock type in predicting a macroblock.Type: GrantFiled: September 28, 2021Date of Patent: March 21, 2023Assignee: LG ELECTRONICS INC.Inventors: Seung Wook Park, Jung Sun Kim, Yong Hee Choi, Byeong Moon Jeon, Joon Young Park