Patents by Inventor Dong Gyu Sim
Dong Gyu Sim 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: 12262488Abstract: A display device includes a display panel that displays an image and a roller connected to an end of the display panel. The roller includes a rolling member having a single body, the rolling member including a cut-off groove formed on at least a portion of an outer circumferential surface of the rolling member, and at least one support member disposed in an internal empty space of the rolling member.Type: GrantFiled: October 12, 2022Date of Patent: March 25, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Jin Park, Jin Gyu Sim, Byoung Jin Jin
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Patent number: 12262034Abstract: The present invention relates to a method and an apparatus for interlayer prediction, and the method for interlayer prediction, according to the present invention, comprises the steps of: deciding whether to apply an interlayer prediction to an enhancement layer; and performing a prediction on a current block of the enhancement layer based on reference information that is generalized and generated from a reference picture, which is decoded, of a reference layer, when the interlayer prediction is applied, wherein the reference layer information can be encoding information of a reference block, which corresponds to a current block of the enhancement layer, from the reference layer, and residual information.Type: GrantFiled: October 23, 2023Date of Patent: March 25, 2025Assignees: Electronics and Telecommunications Research Institute, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Ha Hyun Lee, Jung Won Kang, Jin Soo Choi, Jin Woong Kim, Dong Gyu Sim, Hyo Min Choi, Jung Hak Nam
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Publication number: 20250088627Abstract: A method and apparatus for processing a video signal according to the present invention derives a first prediction value of a chrominance block using a sample of a luminance block, calculates a compensation parameter based on a predetermined reference area, derives a second prediction value of a chrominance block, and reconstructs a chrominance block based on a second prediction value of a chrominance block.Type: ApplicationFiled: November 21, 2024Publication date: March 13, 2025Inventors: Dong Gyu SIM, Sea Nae PARK
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Patent number: 12250372Abstract: A method and apparatus for processing a video signal according to the present invention derives a first prediction value of a chrominance block using a sample of a luminance block, calculates a compensation parameter based on a predetermined reference area, derives a second prediction value of a chrominance block, and reconstructs a chrominance block based on a second prediction value of a chrominance block.Type: GrantFiled: July 20, 2023Date of Patent: March 11, 2025Assignee: KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Dong Gyu Sim, Sea Nae Park
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Publication number: 20250071294Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.Type: ApplicationFiled: November 14, 2024Publication date: February 27, 2025Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-Industry Cooperation Group of Kyung Hee UniversityInventors: Hae Chul CHOI, Se Yoon JEONG, Sung-Chang LIM, Jin Soo CHOI, Jin Woo HONG, Dong Gyu SIM, Seoung-Jun OH, Chang-Beom AHN, Gwang Hoon PARK, Seung Ryong KOOK, Sea-Nae PARK, Kwang-Su JEONG
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Patent number: 12238281Abstract: A device for encoding/decoding the image according to the present invention includes an intra prediction module configured to: determine an intra prediction mode of a current block; determine a scanning order of multiple sub blocks in the current block on the basis of the determined intra prediction mode; and perform intra prediction of the current block on the basis of the determined scanning order.Type: GrantFiled: July 13, 2023Date of Patent: February 25, 2025Assignee: Intellectual Discovery Co., Ltd.Inventors: Dong Gyu Sim, Ho Chan Ryu, Yong Jo Ahn
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Publication number: 20250047870Abstract: A video encoding/decoding apparatus according to the present invention acquires motion vector refinement information, performs motion compensation on the basis of a motion vector of a current block, refines the motion vector of the current block using at least one or both of the motion vector refinement information and the output of the motion compensation, and performs motion compensation using the refined motion vector.Type: ApplicationFiled: October 21, 2024Publication date: February 6, 2025Applicant: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Yong Jo AHN, Dong Gyu SIM, Ho Chan RYU, Seanae PARK, Byung Tae OH, Byung Cheol Cheol SONG
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Publication number: 20250045617Abstract: Provided is a qubit state reading apparatus including a probe signal provider configured to provide a probe signal to a qubit and a readout module configured to receive a qubit signal output from the qubit to which the probe signal is provided and read a state of the qubit, in which the readout module includes a local oscillation (LO) signal generator configured to generate an LO signal, a mixer configured to down-convert the qubit signal using the LO signal, an accumulator configured to accumulate output signals of the mixer, and a comparator configured to compare an output signal of the accumulator with a threshold and output a signal corresponding to the state of the qubit, and the readout module down-converts the qubit signal and the LO signal in a homodyne manner.Type: ApplicationFiled: July 26, 2024Publication date: February 6, 2025Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Jae Yoon SIM, Dong Gyu MINN
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Publication number: 20250039368Abstract: There is provided an image decoding method comprising: deriving a first prediction value of a current block by using at least one sample included in a reference block, obtaining an illumination compensation parameter on the basis of a predetermined reference region, deriving a second prediction value of the current block by applying the illumination compensation parameter to the first prediction value and reconstructing the current block on the basis of the second prediction value.Type: ApplicationFiled: October 11, 2024Publication date: January 30, 2025Inventors: Gun BANG, Hui Yong KIM, Dong Gyu SIM, Seoung Jun OH, Sea Nae PARK, Jun Taek PARK, Jong Seok LEE
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Patent number: 12212768Abstract: A method is provided for decoding a sequence of pictures using a gradual refresh technique. In particular, all areas in one picture are gradually encoded or decoded over a plurality of pictures associated with the picture.Type: GrantFiled: May 31, 2023Date of Patent: January 28, 2025Assignees: Hyundai Motor Company, Kia Corporation, Kwangwoon University Industry-Academic Collaboration FoundationInventors: Dong Gyu Sim, Han Sol Choi, Jong Seok Lee, Sea Nae Park, Seung Wook Park, Wha Pyeong Lim
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Publication number: 20250030874Abstract: A method is disclosed for predicting chroma components based on reconstructed luma information. In the disclosed embodiments, to intra-predict the current chroma block, the video decoding device decodes the prediction mode indicator of the current chroma block and checks whether the prediction mode indicator utilizes the Direct Mode_Intra Block Copy mode (DM_IBC mode) for the current chroma block. If the current chroma block utilizes DM_IBC mode, the video decoding device uses the block vector of the previously reconstructed corresponding luma block to generate the prediction block of the current chroma block.Type: ApplicationFiled: September 24, 2024Publication date: January 23, 2025Inventors: Dong Gyu SIM, Joo Hyung BYEON, Min Hun LEE, Jin HEO, Seung Wook PARK
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Publication number: 20250030893Abstract: Provided is an apparatus and method for encoding/decoding a moving picture based on adaptive scanning. The moving picture apparatus and method can increase a compression rate based on adaptive scanning by performing intra prediction onto blocks of a predetermined size, and scanning coefficients acquired from Discrete Cosine Transform (DCT) of a residue signal and quantization differently according to the intra prediction mode. The moving picture encoding apparatus includes: a mode selector for selecting and outputting a prediction mode; a predictor for predicting pixel values of pixels to be encoded of an input video based on the prediction mode to thereby output a residue signal block; a transform/quantization unit for performing DCT onto the residue signal block and quantizing the transformed residue signal block; and an encoder for adaptively scanning and encoding the quantized residue signal block based on the prediction mode.Type: ApplicationFiled: October 4, 2024Publication date: January 23, 2025Applicant: Electronics and Telecommunications Research InstituteInventors: Jeong-Il SEO, Wook-Joong KIM, Kyu-Heon KIM, Kyeong-Ok KANG, Jin-Woo HONG, Yung-Lyul LEE, Ki-Hun HAN, Jae-Ho HUR, Dong-Gyu SIM, Seoung-Jun OH
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Publication number: 20250024071Abstract: A video encoding/decoding apparatus according to the present invention acquires motion vector refinement information, performs motion compensation on the basis of a motion vector of a current block, refines the motion vector of the current block using at least one or both of the motion vector refinement information and the output of the motion compensation, and performs motion compensation using the refined motion vector.Type: ApplicationFiled: July 13, 2023Publication date: January 16, 2025Applicant: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Yong Jo AHN, Dong Gyu SIM, Ho Chan RYU, Seanae PARK, Byung Tae OH, Byung Cheol SONG
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Publication number: 20250016365Abstract: Apparatuses encode or decode a picture sequence, some having different resolutions, and store a bitstream of encoded video data. The apparatus has a processor, which decodes a first syntax element for specifying a reference size of pictures referring to the high-level syntax structure and a second syntax element for specifying a picture size scaled from the reference size of the pictures referring to the high-level syntax structure. The processor derives at least one offset factor and at least one scale factor representing a scale difference between a current picture including a current block to be decoded and a reference picture referred to by the current block. The processor generates a prediction block of the current block from the reference picture by using the motion vector of the current block, the at least one scale factor, and the at least one offset factor.Type: ApplicationFiled: September 20, 2024Publication date: January 9, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Dong Gyu Sim, Jong Seok Lee, Seung Wook Park, Wha Pyeong Lim
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Publication number: 20250016366Abstract: Methods encode or decode a picture sequence, some having different resolutions, and transmit a bitstream of encoded video data. The decoding method includes decoding a first syntax element for specifying a reference size of pictures referring to a high-level syntax structure and a second syntax element for specifying a picture size scaled from the reference size of the pictures referring to the high-level syntax structure. The method includes deriving at least one offset factor and at least one scale factor representing a scale difference between a current picture including a current block to be decoded and a reference picture referred to by the current block. The method includes generating a prediction block of the current block from the reference picture by using the motion vector of the current block, the at least one scale factor, and the at least one offset factor.Type: ApplicationFiled: September 20, 2024Publication date: January 9, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Dong Gyu Sim, Jong Seok Lee, Seung Wook Park, Wha Pyeong Lim
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Publication number: 20250016363Abstract: Apparatuses decode or encode a picture sequence, some having different resolutions, and transmit a bitstream of video data. The decoding apparatus has at least one processor, which decodes a first syntax element for specifying a reference size of pictures referring to a high-level syntax structure and a second syntax element for specifying a picture size scaled from the reference size. The processor also derives, based on the first and the second syntax elements, at least one offset factor and at least one scale factor representing a scale difference between a current picture including a current block to be decoded and a reference picture referred to by the current block. The processor generates a prediction block of the current block from the reference picture by using the motion vector of the current block, the at least one scale factor, and the at least one offset factor.Type: ApplicationFiled: September 20, 2024Publication date: January 9, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Dong Gyu Sim, Jong Seok Lee, Seung Wook Park, Wha Pyeong Lim
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Publication number: 20250016364Abstract: Methods encode or decode a picture sequence, some having different resolutions, and store a bitstream of encoded video data. A decoding method includes decoding a first syntax for specifying a reference size of pictures referring to a high-level syntax structure and decoding a second syntax element for specifying a picture size scaled from the reference size of the pictures referring to the high-level syntax structure. The method includes deriving at least one offset factor and at least one scale factor representing a scale difference between a current picture including a current block to be decoded and a reference picture referred to by the current block.Type: ApplicationFiled: September 20, 2024Publication date: January 9, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Dong Gyu Sim, Jong Seok Lee, Seung Wook Park, Wha Pyeong Lim
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Patent number: 12190548Abstract: There are provided an apparatus, method, system, and recording medium for performing selective encoding/decoding on feature information. An encoding apparatus generates residual feature information. The encoding apparatus transmits the residual feature information to a decoding apparatus through a residual feature map bitstream. The residual feature information is the difference between feature information extracted from an original image and feature information extracted from a reconstructed image. Feature information of the reconstructed image is generated using the reconstructed image. Reconstructed feature information is generated using the feature information of the reconstructed image and reconstructed residual feature information.Type: GrantFiled: September 22, 2021Date of Patent: January 7, 2025Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Ji-Hoon Do, Hyoung-Jin Kwon, Dong-Hyun Kim, Youn-Hee Kim, Joo-Young Lee, Se-Yoon Jeong, Jin-Soo Choi, Tae-Jin Lee, Jee-Hoon Kim, Dong-Gyu Sim, Seoung-Jun Oh, Min-Hun Lee, Yun-Gu Lee, Han-Sol Choi, Kwang-Hwan Kim
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Patent number: 12192452Abstract: A method and apparatus for processing a video signal according to the present invention derives a first prediction value of a chrominance block using a sample of a luminance block, calculates a compensation parameter based on a predetermined reference area, derives a second prediction value of a chrominance block, and reconstructs a chrominance block based on a second prediction value of a chrominance block.Type: GrantFiled: July 20, 2023Date of Patent: January 7, 2025Assignee: KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Dong Gyu Sim, Sea Nae Park
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Publication number: 20250008093Abstract: A video decoding device obtains mirror prediction information for a target block and performs a mirror prediction on the target block based on the mirror prediction information. When the target block is part of a current block to be decoded, the video decoding device derives a mirror prediction boundary based on a mirror prediction type for determining a mirror prediction region and a non-mirror prediction region within the current block. The video decoding device predicts the mirror prediction region based on the mirror prediction boundary, predicts the non-mirror prediction region and thereby predicts the current block.Type: ApplicationFiled: September 13, 2024Publication date: January 2, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Dong Gyu Sim, Min Hun Lee, Joo Hyung Byeon, Jin Heo, Seung Wook Park