Patents by Inventor Wha Pyeong Lim
Wha Pyeong Lim 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: 12260684Abstract: An embodiment vehicle system includes a telecommunication device that enables communication between a vehicle and a remote server, a first data recorder configured to store, in a first internal storage, a plurality of interaction data indicating timestamped interactions that occur between an autonomous driving system of the vehicle and a driver while driving and configured to protect main interaction data of the plurality of interaction data that is stored proximate to a point in time of an occurrence of a predefined event from being overwritten with new interaction data without first being uploaded to the remote server, and a second data recorder configured to store, in a second internal storage, event data indicating a state of the vehicle for a predetermined time before and after the event occurs.Type: GrantFiled: March 11, 2021Date of Patent: March 25, 2025Assignees: Hyundai Motor Company, Kia CorporationInventors: Seung Wook Park, Wha Pyeong Lim
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Patent number: 12262017Abstract: Disclosed is a video encoding and decoding technology using a differential modulation technique for a residual signal in order to enhance compression performance in a transform skip mode. The differential modulation technique is applicable to both luma and chroma components as long as the chroma format is not monochrome (i.e. as long as chroma_format_idc=0 is not true).Type: GrantFiled: May 27, 2022Date of Patent: March 25, 2025Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, EWHA UNIVERSITY—INDUSTRY COLLABORATION FOUNDATIONInventors: Je Won Kang, Seung Wook Park, Wha Pyeong Lim
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Publication number: 20250097446Abstract: A video decoding method is configured to reconstruct a current block that is encoded using an intra prediction. The method includes decoding, from a bitstream, direction information indicating a direction of differential coding applied to a residual block of the current block, generating the residual block from residual signals by reconstructing and using the information on the residual signals from the bitstream and using the direction information, inversely quantizing the modified residual block, generating a prediction block for the current block through intra prediction, and reconstructing the current block by adding the prediction block and the inverse quantized residual block.Type: ApplicationFiled: December 2, 2024Publication date: March 20, 2025Inventors: Je Won Kang, Sang Hyo Park, Seung Wook Park, Wha Pyeong Lim
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Publication number: 20250097447Abstract: A video decoding method is configured to reconstruct a current block that is encoded using an intra prediction. The method includes decoding, from a bitstream, direction information indicating a direction of differential coding applied to a residual block of the current block, generating the residual block from residual signals by reconstructing and using the information on the residual signals from the bitstream and using the direction information, inversely quantizing the modified residual block, generating a prediction block for the current block through intra prediction, and reconstructing the current block by adding the prediction block and the inverse quantized residual block.Type: ApplicationFiled: December 2, 2024Publication date: March 20, 2025Inventors: Je Won Kang, Sang Hyo Park, Seung Wook Park, Wha Pyeong Lim
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Publication number: 20250097448Abstract: A video decoding method is configured to reconstruct a current block that is encoded using an intra prediction. The method includes decoding, from a bitstream, direction information indicating a direction of differential coding applied to a residual block of the current block, generating the residual block from residual signals by reconstructing and using the information on the residual signals from the bitstream and using the direction information, inversely quantizing the modified residual block, generating a prediction block for the current block through intra prediction, and reconstructing the current block by adding the prediction block and the inverse quantized residual block.Type: ApplicationFiled: December 2, 2024Publication date: March 20, 2025Inventors: Je Won Kang, Sang Hyo Park, Seung Wook Park, Wha Pyeong Lim
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Publication number: 20250097449Abstract: A video decoding method is configured to reconstruct a current block that is encoded using an intra prediction. The method includes decoding, from a bitstream, direction information indicating a direction of differential coding applied to a residual block of the current block, generating the residual block from residual signals by reconstructing and using the information on the residual signals from the bitstream and using the direction information, inversely quantizing the modified residual block, generating a prediction block for the current block through intra prediction, and reconstructing the current block by adding the prediction block and the inverse quantized residual block.Type: ApplicationFiled: December 2, 2024Publication date: March 20, 2025Inventors: Je Won Kang, Sang Hyo Park, Seung Wook Park, Wha Pyeong Lim
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Patent number: 12219127Abstract: Disclosed is a video encoding/decoding method for performing inter-prediction on a current picture by resampling and referring to luma signals and chroma signals of a reference picture to improve encoding efficiency in video encoding and decoding for a frame having luma signals and chroma signals in various sample formats in one video sequence.Type: GrantFiled: February 17, 2021Date of Patent: February 4, 2025Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, EWHA UNIVERSITY—INDUSTRY COLLABORATION FOUNDATIONInventors: Je Won Kang, Seung Wook Park, Wha Pyeong Lim
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Publication number: 20250039426Abstract: Disclosed is a method for video encoding and decoding using adaptive color transform on a residual signal. In particular, the maximum memory size required for adaptive color transform is limited by: controlling whether to allow color space conversion on a sequence level according to a syntax element indicating the maximum conversion size allowed for a sequence of pictures; or controlling whether to apply color space conversion on a block level according to the size of a coding block.Type: ApplicationFiled: October 10, 2024Publication date: January 30, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, EWHA UNIVERSITY - INDUSTRY COLLABORATION FOUNDATIONInventors: Je Won Kang, Seung Wook Park, Wha Pyeong Lim
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Publication number: 20250039425Abstract: Disclosed is a method for video encoding and decod-ing using adaptive color transform on a residual signal. In particular, the maximum memory size required for adaptive color transform is limited by: controlling whether to allow color space conversion on a sequence level according to a syntax element indicating the maximum conversion size allowed for a sequence of pictures; or controlling whether to apply color space conversion on a block level according to the size of a coding block.Type: ApplicationFiled: October 10, 2024Publication date: January 30, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, EWHA UNIVERSITY - INDUSTRY COLLABORATION FOUNDATIONInventors: Je Won Kang, Seung Wook Park, Wha Pyeong Lim
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Publication number: 20250039427Abstract: Disclosed is a method for video encoding and decod-ing using adaptive color transform on a residual signal. In particular, the maximum memory size required for adaptive color transform is limited by: controlling whether to allow color space conversion on a sequence level according to a syntax element indicating the maximum conversion size allowed for a sequence of pictures; or controlling whether to apply color space conversion on a block level according to the size of a coding block.Type: ApplicationFiled: October 10, 2024Publication date: January 30, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, EWHA UNIVERSITY - INDUSTRY COLLABORATION FOUNDATIONInventors: Je Won Kang, Seung Wook Park, Wha Pyeong Lim
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Publication number: 20250039424Abstract: Disclosed is a method for video encoding and decoding using adaptive color transform on a residual signal. In particular, the maximum memory size required for adaptive color transform is limited by: controlling whether to allow color space conversion on a sequence level according to a syntax element indicating the maximum conversion size allowed for a sequence of pictures; or controlling whether to apply color space conversion on a block level according to the size of a coding block.Type: ApplicationFiled: October 10, 2024Publication date: January 30, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, EWHA UNIVERSITY - INDUSTRY COLLABORATION FOUNDATIONInventors: Je Won Kang, Seung Wook Park, Wha Pyeong Lim
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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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Patent number: 12200239Abstract: A video decoding method is configured to reconstruct a current block that is encoded using an intra prediction. The method includes decoding, from a bitstream, direction information indicating a direction of differential coding applied to a residual block of the current block, generating the residual block from residual signals by reconstructing and using the information on the residual signals from the bitstream and using the direction information, inversely quantizing the modified residual block, generating a prediction block for the current block through intra prediction, and reconstructing the current block by adding the prediction block and the inverse quantized residual block.Type: GrantFiled: March 13, 2020Date of Patent: January 14, 2025Assignees: Hyundai Motor Company, Kia Corporation, Ewha University-Industry Collaboration FoundationInventors: Je Won Kang, Sang Hyo Park, 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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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: 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: 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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Patent number: 12192445Abstract: An inter prediction method allows a variable coefficient deep learning model to adaptively learn characteristics of a video; transmits a variable coefficient deep learning model parameter generated from the learning from an image encoding device to an image decoding device; and refers to a virtual reference frame generated by the variable coefficient deep learning model.Type: GrantFiled: March 27, 2023Date of Patent: January 7, 2025Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, EWHA UNIVERSITY—INDUSTRY COLLABORATION FOUNDATIONInventors: Je Won Kang, Na Young Kim, Jung Kyung Lee, Seung Wook Park, Wha Pyeong Lim
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Publication number: 20250008139Abstract: For encoding and decoding images, an image encoding device divides each picture into sub-pictures that can be independently displayed, and signals layout information about the sub-pictures, and an image decoding device identifies each sub-block through the layout information and decodes the sub-pictures. A video decoding apparatus and method are configured to decode a bitstream containing an encoded sequence of pictures which are partitioned into a plurality of subpictures including a plurality of coding tree blocks.Type: ApplicationFiled: September 10, 2024Publication date: January 2, 2025Inventors: Dong Gyu Sim, Sea Nae Park, Han Sol Choi, Seung Wook Park, Wha Pyeong Lim
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Publication number: 20250008140Abstract: For encoding and decoding images, an image encoding device divides each picture into sub-pictures that can be independently displayed, and signals layout information about the sub-pictures, and an image decoding device identifies each sub-block through the layout information and decodes the sub-pictures. A video decoding apparatus and method are configured to decode a bitstream containing an encoded sequence of pictures which are partitioned into a plurality of subpictures including a plurality of coding tree blocks.Type: ApplicationFiled: September 10, 2024Publication date: January 2, 2025Inventors: Dong Gyu Sim, Sea Nae Park, Han Sol Choi, Seung Wook Park, Wha Pyeong Lim