Patents by Inventor Biao Wang

Biao Wang 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).

  • Patent number: 11692322
    Abstract: A spur dike type fishway inlet includes an upstream flow block wall, an extra water supply nozzle, and an artificial fish reef. The upstream flow block wall is arranged upstream of a fishway inlet; the starting end of the upstream flow block wall is connected with the upstream side wall of the fishway inlet through a connecting shaft and a hydraulic strut. The extra water supply nozzle is installed in the fishway inlet and is connected to the upstream of a power station through a pipeline to directly supply water to a high water head. The artificial reef is set up within the shielding range of the upstream flow block wall.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: July 4, 2023
    Assignee: NANJING HYDRAULIC RESEARCH INSTITUTE
    Inventors: Xiaogang Wang, Long Zhu, Tao Wang, Zhonghua Li, Shilong Li, Yongzeng Huang, Kaixiao Chen, Biao Wang, Guoxiu Shang, Zhe Wang, Hongze Li, Qiaoyi Hu, Yifei Gao, Feifei He
  • Patent number: 11695927
    Abstract: A coding apparatus configured to select an intra prediction mode for a current block, encode the selected intra prediction mode using truncated binary coding every time the selected intra prediction mode is a remaining mode, and encode the selected intra prediction mode using N bits when the selected intra prediction mode is included in a first portion from remaining modes and using N+1 bits when the selected intra prediction mode is included in a second portion of the remaining modes.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: July 4, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Anand Meher Kotra, Jianle Chen, Semih Esenlik, Zhijie Zhao, Han Gao, Biao Wang, Ivan Krasnov
  • Publication number: 20230209043
    Abstract: Embodiments provide methods and devices (encoder and/or decoder) of coding a picture. A History Based Motion Vector Prediction (HMVP) list for a current Coding Tree Unit (CTU) row within a tile of a picture is initialized and a CTU of the current CTU row is processed based on the initialized HMVP list.
    Type: Application
    Filed: December 19, 2022
    Publication date: June 29, 2023
    Inventors: Anand Meher KOTRA, Jianle Chen, Semih Esenlik, Biao Wang, Han Gao, Zhijie Zhao
  • Publication number: 20230202627
    Abstract: Disclosed is a TMS for an optical fiber remote control submersible, including an upper cylinder equipped with a counterweight and a lower cylinder equipped with a buoy; the upper cylinder and the lower cylinder are sleeved with each other, and matched electromagnets and iron plates are respectively installed in the two parts; the upper cylinder is connected with a mother ship through a light armoured optical power cable, and the light armoured optical power cable may provide electric power for the electromagnets, and the lower cylinder is connected with a submersible through a light load-bearing optical fiber cable; and an end of the light armoured optical power cable inside the upper cylinder is optically connected with an end of the light load-bearing optical fiber cable inside the lower cylinder.
    Type: Application
    Filed: December 15, 2022
    Publication date: June 29, 2023
    Inventors: Ruilong LUO, Biao WANG, Yu WU, Tingting SONG, Gaosheng LUO, Jinfei ZHANG, Fang WANG, Zhe JIANG
  • Publication number: 20230199203
    Abstract: Signalling of syntax elements in a sequence parameter set of a video bitstream is addressed. Particularly, it is provided a method of decoding a video bitstream wherein a sequence parameter set, SPS, is coded that contains syntax elements that apply to a video sequence, the method comprising obtaining a value of a first syntax element from the SPS used to specify whether a decoded picture buffer, DPB, parameters syntax structure is present in the SPS and obtaining a value of a second syntax element from the SPS, at least when determining that the value of the first syntax element specifies that the DPB parameters syntax structure is present in the SPS, used to specify the presence of a DPB syntax element in the DPB parameters syntax structure, wherein the DPB syntax element is applied to a temporal sublayer except for the highest temporal sublayer in the video sequence.
    Type: Application
    Filed: December 15, 2022
    Publication date: June 22, 2023
    Inventors: Biao WANG, Semih ESENLIK, Anand Meher KOTRA, Elena Alexandrovna ALSHINA, Han GAO
  • Patent number: 11683533
    Abstract: A method and image processing device are provided, including a deblocking filter. The deblocking filter modifies values of at most MA samples of the first image block as first filter output values, the at most MA samples being obtained from a column of the first image block that is perpendicular to and adjacent to the horizontal block edge; and modifies values of at most MB samples of the second image block as second filter output values, the at most MB samples being obtained from a column of the second image block that is perpendicular to and adjacent to the horizontal block edge. At most a number MA of sample values of the first image block adjacent to the block edge are modified and at most a number MB of sample values of the second image block adjacent to the block edge are modified, wherein MA<MB.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: June 20, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jianle Chen, Anand Meher Kotra, Semih Esenlik, Biao Wang, Han Gao, Zhijie Zhao
  • Publication number: 20230171437
    Abstract: The present disclosure relates generally to video coding and picture partitioning methods. In particular, the disclosure is concerned with relations between partition constraint elements, by setting partitioning rules for different picture partitioning methods. The disclosure provides devices and corresponding methods for generating or processing a bitstream including encoded pictures, particularly for setting and including partition constraint element into the bitstream. One of the devices is configured to determine a minimum luma size of a leaf block resulting from quadtree splitting (MinQtSizeY), determine a maximum luma size of a coding block where partitioning using a binary tree splitting is allowed (MaxBtSizeY) based on the MinQtSizeY, and include information for the determined MinQtSizeY into the bitstream.
    Type: Application
    Filed: September 28, 2022
    Publication date: June 1, 2023
    Inventors: Han GAO, Semih ESENLIK, Jianle CHEN, Anand Meher KOTRA, Biao WANG, Zhijie ZHAO
  • Patent number: 11659175
    Abstract: Methods, systems, and computer programs encoded on a computer storage medium for marking the availability of a potential candidate coding block for intra prediction mode estimation of a current coding block are provided. One example method includes obtaining a parent block of a current coding block (parentCurr), and a parent block of a candidate coding block (parentCand). The current coding block and the candidate coding block are each obtained by splitting of the parentCurr and the parentCand, respectively. In one aspect, the current coding block cannot use an intra prediction mode of a potential candidate coding block when parentCand and parentCurr are the same block, a function of a number of quadtree, ternary tree, and binary tree splitting operations is greater than a threshold minus 1, and a split mode of the parent block of the current coding block parentCurr is a ternary tree split.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: May 23, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Han Gao, Semih Esenlik, Biao Wang, Anand Meher Kotra, Jianle Chen
  • Patent number: 11653032
    Abstract: A video processing method, comprising: initializing a HMVP list for a current CTU row when the current CTU is the beginning CTU of a current CTU row; and processing the current CTU row based on the HMVP list. By performing the method, the encoding efficiency and decoding efficiency are improved.
    Type: Grant
    Filed: August 15, 2020
    Date of Patent: May 16, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Anand Meher Kotra, Semih Esenlik, Jianle Chen, Biao Wang, Han Gao, Zhijie Zhao
  • Patent number: 11647182
    Abstract: A decoding method and a decoder for decoding a current block of a video frame is provided, wherein the decoding method comprises determining a list of Most Probable Modes (MPMs) for the current block. When at least one condition is satisfied, the list of MPMs includes a DC mode, a Vertical mode, a Horizontal mode, an intra prediction mode corresponding to a value of the Vertical mode with a first offset, and an intra prediction mode corresponding to the value of the Vertical mode with a second offset. The decoding method further includes obtaining a MPM flag and a MPM index for the current block from a bitstream of the video, and obtaining an intra prediction mode for the current block for reconstructing the current block.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: May 9, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Biao Wang, Semih Esenlik, Anand Meher Kotra, Han Gao, Jianle Chen, Zhijie Zhao
  • Patent number: 11641466
    Abstract: The present disclosure relates to methods and devices to be employed for encoding and decoding of image or video signal. They include determination of whether or not the size of a current block is larger than a minimum allowed quadtree leaf node size. If the size of the current block is not larger than the minimum allowed quadtree leaf node size, multi-type tree splitting is applied to the current block. The minimum allowed quadtree leaf node size is not larger than a maximum allowed binary tree root node size or the minimum allowed quadtree leaf node size is not larger than a maximum allowed ternary tree root node size.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: May 2, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Han Gao, Semih Esenlik, Jianle Chen, Zhijie Zhao, Anand Meher Kotra, Biao Wang
  • Publication number: 20230125381
    Abstract: A prediction method for an image block comprising a first prediction sub-block and a second prediction sub-block, the prediction method comprising: parsing a first index from a bitstream, wherein the first index is used to obtain prediction information of the first prediction sub-block; parsing a second index from the bitstream; comparing the first index with the second index; adjusting the second index in the event that the second index is equal to or greater than the first index; and obtaining prediction information of the second prediction sub-block according to the adjusted second index.
    Type: Application
    Filed: December 24, 2022
    Publication date: April 27, 2023
    Inventors: Timofey Mikhailovich SOLOVYEV, Semih Esenlik, Jianle Chen, Anand Meher Kotra, Han Gao, Biao Wang, Roman Igorevich Chernyak, Alexander Alexandrovich Karabutov, Sergey Yurievich Ikonin
  • Publication number: 20230130158
    Abstract: The present disclosure provides methods and devices of construct a candidate merge list for Intra block copy (IBC) mode, the method comprising: inserting a block vector of a left neighboring block of a current block into an initial merge list, when the left neighboring block is available and the left neighboring block is using IBC mode; inserting a block vector of an above neighboring block of the current block into the initial merge list, when the above neighboring block is available, the above neighboring block is using IBC mode and the block vector of the above neighboring block is not same as the block vector of the left neighboring block; inserting a block vector of the last candidate in a history based motion vector predictor (HMVP) into the initial merge list; obtaining a block vector of the current block according to the initial merge list.
    Type: Application
    Filed: December 14, 2022
    Publication date: April 27, 2023
    Inventors: Han GAO, Semih ESENLIK, Biao WANG, Anand Meher KOTRA, Jianle CHEN
  • Publication number: 20230129504
    Abstract: A method of coding implemented by a decoding device, comprising obtaining a bitstream; obtaining a value of an indicator for a current block according to the bitstream; obtaining a value of a first parameter for the current block and a value of a second parameter for the current block, according to the value of the indicator and a predefined lookup table; obtaining a value of a sample distance for a sample which is located in the current block, according to the value of the first parameter and the value of the second parameter; obtaining a prediction value for the sample, according to the value of the sample distance for the sample.
    Type: Application
    Filed: December 6, 2022
    Publication date: April 27, 2023
    Inventors: Semih Esenlik, Max Blaeser, Zhijie Zhao, Han Gao, Anand Meher Kotra, Biao Wang, Elena Alexandrovna Alshina
  • Publication number: 20230110802
    Abstract: A wearable device that is capable of harvesting kinetic energy from wrist motions using piezoelectric and/or electromagnetic energy harvesters is disclosed. A first part of the device is worn on the user and second part of the device is movable against the second part to accentuate the frequency of movements.
    Type: Application
    Filed: October 8, 2021
    Publication date: April 13, 2023
    Inventors: Zhengbao YANG, Biao WANG
  • Publication number: 20230097258
    Abstract: An integrated targeted kyphoplasty system includes a piercing head, a tube body and a tube body handle. The tube body has an end connected to the piercing head and is provided with a balloon and a guider at an end of the balloon, and another end connected to the tube body handle and provided with a guide knob for controlling the guider to be bent and a pressure pump connector communicating the balloon. The piercing head is provided with a cement outlet, a cement channel is in center of the tube body, and the tube body handle is provided with a cement inlet. The cement outlet, cement channel and cement inlet communicate with each other. The device requires for only one piercing to complete entire KP surgical treatment without changing any tools, greatly decreasing radiation exposure rate of the patient during operation and the pain caused by multiple operations.
    Type: Application
    Filed: September 17, 2019
    Publication date: March 30, 2023
    Inventors: Ding-jun HAO, Biao WANG
  • Patent number: 11616980
    Abstract: A method of coding implemented is provided. The method includes the following operations: obtained the height and width of a prediction block without applying clipping operation; calculating a value of a vertical component of an intra prediction sample based on the height and width of the prediction block; calculating a value of a horizontal component of the intra prediction sample based on the height and width of the prediction block; and generating the intra prediction sample based on the value of the vertical component and the value of the horizon component.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: March 28, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Biao Wang, Semih Esenlik, Anand Meher Kotra, Han Gao, Elena Alexandrovna Alshina
  • Publication number: 20230082783
    Abstract: A system and method of decoding of a video or picture bitstream implemented by a decoding device are described. The bitstream can include data representing a current video coding layer. Furthermore, when determining that the current video coding layer is the only one layer in the bitstream, the method can include using the identifier of a NAL unit of the current video coding layer as the identifier of the current video coding layer.
    Type: Application
    Filed: September 16, 2022
    Publication date: March 16, 2023
    Inventors: Biao WANG, Semih ESENLIK, Elena Alexandrovna ALSHINA, Anand Meher KOTRA, Han GAO
  • Publication number: 20230085258
    Abstract: A spur dike type fishway inlet includes an upstream flow block wall, an extra water supply nozzle, and an artificial fish reef. The upstream flow block wall is arranged upstream of a fishway inlet; the starting end of the upstream flow block wall is connected with the upstream side wall of the fishway inlet through a connecting shaft and a hydraulic strut. The extra water supply nozzle is installed in the fishway inlet and is connected to the upstream of a power station through a pipeline to directly supply water to a high water head. The artificial reef is set up within the shielding range of the upstream flow block wall. A device for luring the fish by adopting fish target keeping behavior is provided.
    Type: Application
    Filed: August 25, 2022
    Publication date: March 16, 2023
    Applicant: NANJING HYDRAULIC RESEARCH INSTITUTE
    Inventors: Xiaogang WANG, Long ZHU, Tao WANG, Zhonghua LI, Shilong LI, Yongzeng HUANG, Kaixiao CHEN, Biao WANG, Guoxiu SHANG, Zhe WANG, Hongze LI, Qiaoyi HU, Yifei GAO, Feifei HE
  • Publication number: 20230068266
    Abstract: A method of decoding of a video or picture bitstream implemented by a decoding device, the bitstream including a current sequence parameter set (SPS) comprising syntax elements that apply to a video sequence, the method comprising: obtaining a first syntax element used to determine a maximum number of temporal sublayers that is allowed to be present in each coded layer video sequence) referring to the current SPS, wherein a value of the first syntax element is in a range of 0 to a first value, wherein the first value is a value of a second syntax element used to determine the maximum number of temporal sublayers that is allowed to present in a layer in each coded video sequence referring to a video parameter set, when the second syntax element is referred to by the SPS; decoding the bitstream based on the value of the first syntax element.
    Type: Application
    Filed: September 23, 2022
    Publication date: March 2, 2023
    Inventors: Biao WANG, Semih ESENLIK, Elena Alexandrovna ALSHINA, Anand Meher KOTRA, Han GAO