Patents by Inventor Haoping Yu
Haoping Yu 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: 20240137567Abstract: Method for decoding a video including a sequence of pictures includes: a bitstream is parsed to obtain a value of a first flag; whether the value of the first flag indicates that a set of header extension parameters is present is determined; when the value of the first flag indicates that the set of header extension parameters is present, the bitstream is parsed to obtain a value of a second flag; whether the value of the second flag indicates that a first parameter in the set of header extension parameters is enabled for the sequence of pictures is determined; when the determination result is yes, the bitstream is parsed to obtain a value of the first parameter for one of the slices in the sequence of pictures; and the slice is decoded based on the value of the first parameter for the slice.Type: ApplicationFiled: December 29, 2023Publication date: April 25, 2024Inventors: Yue YU, Haoping YU
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Publication number: 20240064303Abstract: In certain aspects, a method for encoding a picture of a video including a transform unit is disclosed. A coefficient of each position in the transform unit is quantized by a processor to generate a quantization level of the respective position. A high throughput mode is enabled. In the high throughput mode, a plurality of transform unit bins of the transform unit are changed from context-coded bins to bypass-coded bins, and bypass bit-alignment is applied. The quantization levels of the transform unit are encoded by the processor into a bitstream in the high throughput mode.Type: ApplicationFiled: April 25, 2022Publication date: February 22, 2024Inventors: Yue YU, Haoping YU
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Publication number: 20240022731Abstract: A computer-implemented method for encoding or decoding an input video is provided. The method includes determining a bit depth associated with the input video; determining a bit depth associated with weighted prediction offset values for the input video based on the bit depth associated with the input video; determining weighted prediction values for pictures of the input video based on an application of the weighted prediction offset values to prediction values for the pictures of the input video; and processing the input video based on the weighted prediction values and the weighted prediction offset values. An encoder and an decoder are further provided.Type: ApplicationFiled: September 25, 2023Publication date: January 18, 2024Inventors: Yue YU, Haoping YU
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Publication number: 20230336715Abstract: A computer-implemented method and a computing system for encoding or decoding a video and a storage medium are provided. The method includes determining a bit depth associated with an input video, determining a bit depth associated with a weighted prediction of the input video based on the bit depth associated with the input video, determining a weighting factor and an offset value of the weighted prediction based on the bit depth associated with the weighted prediction, and processing the input video based on the weighting factor and the offset value of the weighted prediction.Type: ApplicationFiled: June 22, 2023Publication date: October 19, 2023Inventors: Yue YU, Haoping YU
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Patent number: 11694316Abstract: A method for determining experience quality of virtual reality (VR) multimedia includes, in a process of playing VR multimedia, obtaining a first sensory parameter, a second sensory parameter, and a third sensory parameter of the VR multimedia, where the first sensory parameter, the second sensory parameter, and the third sensory parameter are obtained by performing sampling separately according to at least two same perceptual dimensions, and are respectively parameters that affect fidelity experience, enjoyment experience, and interaction experience, and determining a mean opinion score (MOS) of the VR multimedia based on the first sensory parameter, the second sensory parameter, and the third sensory parameter of the VR multimedia. Because the third sensory parameter is a parameter that affects the interaction experience, an interaction feature of the VR multimedia is considered.Type: GrantFiled: July 21, 2021Date of Patent: July 4, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yi Li, Haoping Yu
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Publication number: 20210350518Abstract: A method for determining experience quality of virtual reality (VR) multimedia includes, in a process of playing VR multimedia, obtaining a first sensory parameter, a second sensory parameter, and a third sensory parameter of the VR multimedia, where the first sensory parameter, the second sensory parameter, and the third sensory parameter are obtained by performing sampling separately according to at least two same perceptual dimensions, and are respectively parameters that affect fidelity experience, enjoyment experience, and interaction experience, and determining a mean opinion score (MOS) of the VR multimedia based on the first sensory parameter, the second sensory parameter, and the third sensory parameter of the VR multimedia. Because the third sensory parameter is a parameter that affects the interaction experience, an interaction feature of the VR multimedia is considered.Type: ApplicationFiled: July 21, 2021Publication date: November 11, 2021Inventors: Yi Li, Haoping Yu
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Patent number: 11138715Abstract: A method for determining experience quality of virtual reality (VR) multimedia includes, in a process of playing VR multimedia, obtaining a first sensory parameter, a second sensory parameter, and a third sensory parameter of the VR multimedia, where the first sensory parameter, the second sensory parameter, and the third sensory parameter are obtained by performing sampling separately according to at least two same perceptual dimensions, and are respectively parameters that affect fidelity experience, enjoyment experience, and interaction experience, and determining a mean opinion score (MOS) of the VR multimedia based on the first sensory parameter, the second sensory parameter, and the third sensory parameter of the VR multimedia. Because the third sensory parameter is a parameter that affects the interaction experience, an interaction feature of the VR multimedia is considered.Type: GrantFiled: November 8, 2019Date of Patent: October 5, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yi Li, Haoping Yu
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Publication number: 20200374561Abstract: There are provided video encoders, video decoders, and corresponding methods. A video encoder for encoding video signal data for an image block includes an encoder (100) for encoding all color components of the video signal data using a common predictor (315). A video decoder for decoding video signal data for an image block includes a decoder (200) for decoding all color components of the video signal data using a common predictor (430). Additionally, an apparatus and method for encoding and decoding signal data for an image block includes an encoder and decoder for encoding/decoding color components of the video signal data without applying a residual color transform thereto. Furthermore, a video encoder and decoder for encoding/decoding video signal data for an image block includes an encoder and decoder for encoding/decoding the video signal data using unique predictors for each of color components of the video signal data.Type: ApplicationFiled: June 9, 2020Publication date: November 26, 2020Inventor: Haoping YU
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Patent number: 10638143Abstract: An apparatus and method for screen content encoding includes deriving a palette table and a color index map based on a coding unit (CU). The method also includes encoding the palette table and encoding the color index map. The method further includes combining the encoded palette table and the encoded color index map for transmission to a receiver, where the palette table and index map are decoded to reconstruct a pixel block.Type: GrantFiled: March 20, 2015Date of Patent: April 28, 2020Assignee: Futurewei Technologies, Inc.Inventors: Zhan Ma, Meng Xu, Wei Wang, Xian Wang, Haoping Yu
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Publication number: 20200090324Abstract: A method for determining experience quality of virtual reality (VR) multimedia includes, in a process of playing VR multimedia, obtaining a first sensory parameter, a second sensory parameter, and a third sensory parameter of the VR multimedia, where the first sensory parameter, the second sensory parameter, and the third sensory parameter are obtained by performing sampling separately according to at least two same perceptual dimensions, and are respectively parameters that affect fidelity experience, enjoyment experience, and interaction experience, and determining a mean opinion score (MOS) of the VR multimedia based on the first sensory parameter, the second sensory parameter, and the third sensory parameter of the VR multimedia. Because the third sensory parameter is a parameter that affects the interaction experience, an interaction feature of the VR multimedia is considered.Type: ApplicationFiled: November 8, 2019Publication date: March 19, 2020Inventors: Yi Li, Haoping Yu
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Patent number: 10291827Abstract: A method and device for coding screen content into a bitstream by selecting a color palette table for a coding unit (CU) of screen content, creating a color index map having indices for the coding unit (CU), and encoding the selected color palette table and the color index map for the CU into a bitstream.Type: GrantFiled: November 20, 2014Date of Patent: May 14, 2019Assignee: Futurewei Technologies, Inc.Inventors: Zhan Ma, Wei Wang, Haoping Yu, Xian Wang, Jing Ye
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Patent number: 10244262Abstract: A decoding method including receiving a bitstream corresponding to a residual block, decoding the residual block having a plurality of residual pixels represented as transform coefficients, and computing a reconstructed block based on the residual pixels. The reconstructed block includes reconstructed pixels and uses an intra prediction mode to generate prediction pixels in sequence vertically or horizontally based on reconstructed pixels in the reconstructed block. The reconstructed block includes initial reconstructed pixels based on initial prediction pixels. The intra prediction mode is used to generate the initial prediction pixels based on external reference pixels located in neighboring blocks decoded before the reconstructed block. Computing the reconstructed block includes combining prediction pixels with residual pixels to generate additional reconstructed pixels used to generate additional prediction pixels.Type: GrantFiled: October 26, 2016Date of Patent: March 26, 2019Assignee: Futurewei Technologies, Inc.Inventors: Wen Gao, Jin Song, Mingyuan Yang, Haoping Yu
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Patent number: 10148977Abstract: An encoding apparatus, decoding apparatus, and coding methods are provided. A method of decoding including receiving, by a decoder, a bitstream from an encoder, scanning, using the decoder, the bitstream to identify a first flag corresponding to a string of index values in a block other than a last string and a second flag corresponding to the last string of index values from the block, determining, by the decoder, that a context model used to encode the first flag is the same as the context model used to encode the second flag, and generating, by the decoder, a video frame using the context model.Type: GrantFiled: June 9, 2016Date of Patent: December 4, 2018Assignee: Futurewei Technologies, Inc.Inventors: Haoping Yu, Meng Xu, Wei Wang, Fanyi Duanmu, Shervin Minaee
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Patent number: 10123046Abstract: There are provided video encoders, video decoders, and corresponding methods. A video encoder for encoding video signal data for an image block includes an encoder (100) for encoding all color components of the video signal data using a common predictor (315). A video decoder for decoding video signal data for an image block includes a decoder (200) for decoding all color components of the video signal data using a common predictor (430). Additionally, an apparatus and method for encoding and decoding signal data for an image block includes an encoder and decoder for encoding/decoding color components of the video signal data without applying a residual color transform thereto. Furthermore, a video encoder and decoder for encoding/decoding video signal data for an image block includes an encoder and decoder for encoding/decoding the video signal data using unique predictors for each of color components of the video signal data.Type: GrantFiled: December 29, 2016Date of Patent: November 6, 2018Assignee: THOMSON LICENSINGInventor: Haoping Yu
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Patent number: 10097826Abstract: A method and device for generating a predicted value of image to generate a predicted value of a current block during image encoding or decoding is disclosed, where the method includes determining a searching scope, wherein a plurality of motion vectors are included in the searching scope, performing up-sampling interpolations on first reference blocks corresponding to the motion vector in the searching scope, in a reference image of the current block using a first filter to obtain up-sampled first reference blocks, obtaining, using the up-sampled first reference blocks, at least one candidate motion vector corresponding to the current block, performing up-sampling interpolations on second reference blocks, corresponding to the at least one candidate motion vector, in the reference image of the current block using a second filter to obtain up-sampled second reference blocks, combining the up-sampled second reference blocks to obtain a predicted value of the current block.Type: GrantFiled: January 8, 2018Date of Patent: October 9, 2018Assignee: Huawei Technologies Co., Ltd.Inventors: Sixin Lin, Mingyuan Yang, Haoping Yu, Jiantong Zhou, Cunbin Pan
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Patent number: 10091512Abstract: An apparatus is configured to perform a method for screen content encoding. The method includes deriving a palette table and a color index map based on a coding unit (CU). The method also includes encoding the palette table and encoding the color index map. The method further includes combining the encoded palette table and the encoded color index map for transmission to a receiver, where the palette table and index map are decoded to reconstruct a pixel block.Type: GrantFiled: May 21, 2015Date of Patent: October 2, 2018Assignee: Futurewei Technologies, Inc.Inventors: Meng Xu, Wei Wang, Zhan Ma, Xian Wang, Haoping Yu
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Patent number: 10038908Abstract: An encoding apparatus and coding methods. The method includes receiving a video frame including screen content, generating a block containing an index map of colors for screen content in the video frame, wherein the block includes strings of index values, encoding one or multiple consecutive index values in a first string of index values using same escape colors index values and a run value identifying how many of the same escape color index values have been consecutively encoded, where the escape colors index values represent escape colors, and where the escape colors are colors not included in a palette corresponding to the block, sequentially encoding the escape colors corresponding to the one or multiple consecutive index values after all of the strings of index values of the block have been encoded, and transmitting the strings of index values and the escape colors in a bitstream to a decoding apparatus.Type: GrantFiled: June 12, 2017Date of Patent: July 31, 2018Assignee: Futurewei Technologies, Inc.Inventors: Haoping Yu, Wei Wang, Zhan Ma, Meng Xu
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Publication number: 20180131932Abstract: A method and device for generating a predicted value of image to generate a predicted value of a current block during image encoding or decoding is disclosed, where the method includes determining a searching scope, wherein a plurality of motion vectors are included in the searching scope, performing up-sampling interpolations on first reference blocks corresponding to the motion vector in the searching scope, in a reference image of the current block using a first filter to obtain up-sampled first reference blocks, obtaining, using the up-sampled first reference blocks, at least one candidate motion vector corresponding to the current block, performing up-sampling interpolations on second reference blocks, corresponding to the at least one candidate motion vector, in the reference image of the current block using a second filter to obtain up-sampled second reference blocks, combining the up-sampled second reference blocks to obtain a predicted value of the current block.Type: ApplicationFiled: January 8, 2018Publication date: May 10, 2018Inventors: Sixin Lin, Mingyuan Yang, Haoping Yu, Jiantong Zhou, Cunbin Pan
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Patent number: 9930362Abstract: A method for improved prediction in boundary samples in prediction units (PUs) in pixel based prediction. The method includes computing predicted values for a plurality of border pixels in a PU using corresponding left, upper, and upper left adjacent neighboring pixels in the PU. The method further includes computing predicted values for a second plurality of pixels in the PU using sample based angular prediction (SAP). The second plurality of pixels includes all other pixels in the PU besides the plurality of border pixels.Type: GrantFiled: April 19, 2013Date of Patent: March 27, 2018Assignee: Futurewei Technologies, Inc.Inventors: Wen Gao, Minqiang Jiang, Haoping Yu
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Patent number: 9906788Abstract: A method and device for generating a predicted value of image that are mostly used to generate a predicted value of a current block during image encoding or decoding. The method includes: determining a searching scope, wherein multiple motion vectors are included in the searching scope; performing up-sampling interpolations on first reference blocks, corresponding to the motion vector in the searching scope, in a reference image of the current block by using a first filter to obtain up-sampled first reference blocks; by using the up-sampled first reference blocks, obtaining at least one candidate motion vector corresponding to the current block; performing up-sampling interpolations on second reference blocks, corresponding to the at least one candidate motion vector, in the reference image of the current block by using a second filter to obtain up-sampled second reference blocks; combining the up-sampled second reference blocks to obtain a predicted value of the current block.Type: GrantFiled: April 22, 2016Date of Patent: February 27, 2018Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Sixin Lin, Mingyuan Yang, Haoping Yu, Jiantong Zhou, Cunbin Pan