Patents by Inventor Yun He

Yun He 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: 9106897
    Abstract: A picture encoding and decoding method, a picture encoding and decoding device and a network system are provided, in which, the picture encoding method includes: determining a prediction block used by a picture block according to a division manner of the picture block; determining a corresponding division level in the picture block or the prediction block of transform blocks corresponding to the picture block or the prediction block, in which, the transform blocks corresponding to the picture block or the prediction block include one or more transform blocks; determining a size of the transform blocks corresponding to the picture block or the prediction block according to the division manner of the picture block and the division level; determining identification information for identifying the division level corresponding to the transform blocks corresponding to the picture block or the prediction block; and writing the identification information into a code stream.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: August 11, 2015
    Assignees: Huawei Technologies Co., Ltd., Tsinghua University
    Inventors: Yuan Yuan, Xiaozhen Zheng, Lingzhi Liu, Yunfei Wang, Xiaoran Cao, Yun He
  • Patent number: 9048999
    Abstract: A serial input/output method and receiver include an receiver portion to receive an analog differential serial input and sample the input to provide data and error signals, an equalization feedback loop responsive to the data and error signals to adjust the receiver portion, a phase feedback mechanism separate from the equalization feedback loop to provide a phase error, and a clock data recovery block coupled to receive the phase error to perform timing recovery for the receiver portion independent of the equalization feedback to adjust the sampling.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: June 2, 2015
    Assignee: Intel Corporation
    Inventors: Yun He, Sanjib Sarkar, Fei Deng, Senthil Arun Singaravelu, Narender Nagulapally, Pranali Shah
  • Publication number: 20150065667
    Abstract: The present invention relates to a supported hybrid vanadium-chromium-based catalyst, characterized in the catalyst is supported on a porous inorganic carrier and a V active site and a inorganic Cr active site are present on the porous inorganic carrier at the same time. The present invention further relates to a process for producing a supported hybrid vanadium-chromium-based catalyst. The invention also provides the preparation method of the catalyst, titanium or fluorine to compounds, vanadium salt and chromium salt according to the proportion, different methods of sequence and load on the inorganic carrier, after high temperature roasting, still can further add organic metal catalyst promoter prereduction activation treatment on it. The catalyst of the present invention can be used for producing ethylene homopolymers and ethylene/?-olefin copolymers.
    Type: Application
    Filed: April 19, 2013
    Publication date: March 5, 2015
    Applicant: East China University of Science and Technology
    Inventors: Ruihua Cheng, Boping Liu, Xin Xue, Yun He, Xuan Dong, Xuelian He, Zhen Liu, Weiwei Liu, Lisong Wang, Qiaoqiao Sun
  • Publication number: 20140341278
    Abstract: A method and device for coding and decoding are disclosed. The method includes: dividing a picture to be encoded into several slices, each containing macroblocks continuous in a designated scanning sequence in the picture; dividing slices in the picture into one or more slice sets according to attribute information of the slices, each slice set containing one or more slices; and encoding the slices in the slice sets according to slice and slice set division information to get a coded bit stream of the picture. The decoding method includes: obtaining slice and slice set division information from a bit stream to be decoded and decoding the bit stream according to the obtained slice and slice set division information. The invention improves the performance of video transmission effectively and realizes region based coding. The implementation of coding and decoding is simple and the complexity of coding and decoding systems is reduced.
    Type: Application
    Filed: August 4, 2014
    Publication date: November 20, 2014
    Inventors: Xiaozhen ZHENG, Zhen MAO, Ziyuan WANG, Yun HE, Xiaozhong XU, Jianhua ZHENG
  • Publication number: 20140307769
    Abstract: A serial input/output method and receiver include an receiver portion to receive an analog differential serial input and sample the input to provide data and error signals, an equalization feedback loop responsive to the data and error signals to adjust the receiver portion, a phase feedback mechanism separate from the equalization feedback loop to provide a phase error, and a clock data recovery block coupled to receive the phase error to perform timing recovery for the receiver portion independent of the equalization feedback to adjust the sampling.
    Type: Application
    Filed: April 19, 2012
    Publication date: October 16, 2014
    Inventors: Yun He, Sanjib Sarkar, Fei Deng, Senthil Arun Singaravelu, Narender Nagulapally, Pranali Shah
  • Publication number: 20140269881
    Abstract: Techniques for adaptive backchannel equalization. A total equalization value is determined over a preselected training period. A total balance equalization value is determined over the preselected training period. A transmitter equalization coefficient is determined based on the total equalization value and the total balance equalization value. Data is transmitted over a serial link using the transmitter equalization coefficient.
    Type: Application
    Filed: May 20, 2013
    Publication date: September 18, 2014
    Inventors: YUN HE, SANJIB SARKAR
  • Publication number: 20140281668
    Abstract: Methods and apparatus related to adaptive control loop protection for fast and robust recovery from low-power states in high speed serial I/O applications are described. In some embodiments, a first bit pattern is detected, at a first agent, that indicates a speculative entry by a second agent into a low power consumption state and one or more control loops are frozen. A second bit pattern is detected (after entering the low power consumption state) that indicates exit from the low power consumption state by the second agent and the one or more control loops are unfrozen (e.g., in a specific order). Other embodiments are also claimed and/or disclosed.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Inventors: Yun He, Narender R. Nagulapally, Sanjib Sarkar, Ivan Herrera Mejia, Ruchira K. Liyanage
  • Patent number: 8831107
    Abstract: A method and device for coding and decoding are disclosed. The method includes: dividing a picture to be encoded into several slices, each containing macroblocks continuous in a designated scanning sequence in the picture; dividing slices in the picture into one or more slice sets according to attribute information of the slices, each slice set containing one or more slices; and encoding the slices in the slice sets according to slice and slice set division information to get a coded bit stream of the picture. The decoding method includes: obtaining slice and slice set division information from a bit stream to be decoded and decoding the bit stream according to the obtained slice and slice set division information. The invention improves the performance of video transmission effectively and realizes region based coding. The implementation of coding and decoding is simple and the complexity of coding and decoding systems is reduced.
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: September 9, 2014
    Assignees: Tsinghua University, Huawei Technologies Co., Ltd.
    Inventors: Xiaozhen Zheng, Zhen Mao, Ziyuan Wang, Yun He, Xiaozhong Xu, Jianhua Zheng
  • Publication number: 20140241427
    Abstract: The present disclosure provides a method and an apparatus for coding or decoding a matrix, includes: dividing a matrix into layers according to a preset quantity of divided layers, and grouping matrix elements into different layers; performing, according to a determined layer number of a highest layer to be coded and in an order of layers one by one, coding processing on matrix elements at each layer to be coded; for a layer having a layer number less than or equal to the layer number of the highest layer to be coded, writing residual data between an original matrix element value corresponding to the layer and a corresponding matrix element predicted value into a bit stream; for a layer having a layer number greater than the layer number of the highest layer to be coded, writing no coded data of the layer into the bit stream.
    Type: Application
    Filed: May 8, 2014
    Publication date: August 28, 2014
    Applicants: Huawei Technologies Co., Ltd., Tsinghua University
    Inventors: Yunfei WANG, Jianhua ZHENG, Xiaozhen ZHENG, Yun HE
  • Publication number: 20140177713
    Abstract: Embodiments of the present invention provide a method and a device for determining a transform block size, and can improve image compression efficiency. The method includes: obtaining, according to image block information and a splitting manner of an image block, a parameter of a transform block corresponding to the image block; and obtaining a transform block size according to the parameter of the transform block and the splitting manner of the image block. In the embodiments of the present invention, during determination of a transform block size, the transform block size is obtained according to a splitting manner of an image block and a parameter of a transform block corresponding to the image block. Therefore, a transform block matching the splitting manner of the image block can be used, improving image compression efficiency.
    Type: Application
    Filed: December 26, 2013
    Publication date: June 26, 2014
    Applicants: Tsinghua University, Huawei Technologies Co., Ltd.
    Inventors: Yuan YUAN, Xiaozhen ZHENG, Yun HE
  • Publication number: 20140112593
    Abstract: The present disclosure provides a method for obtaining a size of a transform block, where the method includes: obtaining a dividing manner of an image block; and obtaining size information of a post-dividing transform block according to the dividing manner of the image block and a width and a height of a pre-dividing transform block. By using the method for obtaining a size of a transform block provided in this embodiment of the present disclosure, a size of a transform block may be coded according to a dividing manner of an image block or a height and a width of a pre-dividing transform block, thereby effectively improving coding efficiency.
    Type: Application
    Filed: December 30, 2013
    Publication date: April 24, 2014
    Applicants: Tsinghua University, Huawei Technologies Co., Ltd.
    Inventors: Xiaozhen ZHENG, Yuan YUAN, Jianhua ZHENG, Yun HE
  • Patent number: 8697448
    Abstract: The present invention discloses a user personalized operating method and operating apparatus for use in a chemistry analyzer, the method comprises following steps: initiating the operating software of the chemistry analyzer; loading a profile, the profile comprising at least a database containing combinations of controls for respective users; retrieving configuration information of the function components from the database; and setting display interface and function components by the chemistry analyzer according to the configuration information. The present invention realizes different combinations of controls and display interface by use of the profile and thus operating software of different versions can be provided.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: April 15, 2014
    Assignee: Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
    Inventors: Yandong Yin, Yun He, Weizhong Di
  • Publication number: 20140086313
    Abstract: A method for realizing adaptive quantization in image encoding and dequantization in image decoding is disclosed. In the adaptive quantization method, an image to be encoded is divided into one or more blocks, and each block is transformed to obtain one or more transform coefficients, the method comprising: acquiring parameter information of neighbor blocks of a current block; determining a quantization mode for the current block according to the parameter information of the neighbor blocks; and quantizing transform coefficients of the current block in the determined quantization mode. The quantization mode includes at least one of quantization matrix, quantization parameter and quantization step.
    Type: Application
    Filed: December 2, 2013
    Publication date: March 27, 2014
    Applicants: Tsinghua University, Huawei Technologies Co., Ltd.
    Inventors: Jianhua ZHENG, Yun HE, Jianwen CHEN
  • Patent number: 8642629
    Abstract: The invention is concerned with the compounds of formula I: and pharmaceutically acceptable salts and esters thereof, wherein W, X, Y, and R1-R7 are defined in the detailed description and claims. In addition, the present invention relates to methods of manufacturing and using the compounds of formula I as well as pharmaceutical compositions containing such compounds. The compounds of formula I are antagonists or partial agonists at the CRTH2 receptor and may be useful in treating diseases and disorders associated with that receptor such as asthma.
    Type: Grant
    Filed: November 9, 2009
    Date of Patent: February 4, 2014
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Li Chen, Fariborz Firooznia, Paul Gillespie, Yun He, Tai-An Lin, Eric Mertz, Sung-Sau So, HongYing Yun, Zhenshan Zhang
  • Publication number: 20140010469
    Abstract: A picture encoding and decoding method, a picture encoding and decoding device and a network system are provided, in which, the picture encoding method includes: determining a prediction block used by a picture block according to a division manner of the picture block; determining a corresponding division level in the picture block or the prediction block of transform blocks corresponding to the picture block or the prediction block, in which, the transform blocks corresponding to the picture block or the prediction block include one or more transform blocks; determining a size of the transform blocks corresponding to the picture block or the prediction block according to the division manner of the picture block and the division level; determining identification information for identifying the division level corresponding to the transform blocks corresponding to the picture block or the prediction block; and writing the identification information into a code stream.
    Type: Application
    Filed: September 13, 2013
    Publication date: January 9, 2014
    Applicants: Huawei Technologies Co., Ltd., Tsinghua University
    Inventors: Yuan YUAN, Xiaozhen ZHENG, Lingzhi LIU, Yunfei WANG, Xiaoran CAO, Yun HE
  • Patent number: 8625917
    Abstract: A method and apparatus for realizing adaptive quantization in the process of image/video coding, which includes the following steps: acquiring the parameter information of the neighbor blocks of the current block; determining the quantization mode of the current block according to the parameter information of the neighbor blocks; and performing quantization processing on transform coefficients of the current block by using the determined quantization mode. Wherein, block coding type and motion vector of the neighbor blocks are used as the parameter information for determining the quantization mode of the current block. An apparatus for adaptive quantization in process of image/video coding is provided. The invention can use different quantization mode for adaptive quantization in different image content of an image sequence, thereby improving the subjective quality of the compressed images at the same bit rate.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: January 7, 2014
    Assignees: Huawei Technologies Co., Ltd., Tsinghua University
    Inventors: Jianhua Zheng, Yun He, Jianwen Chen
  • Patent number: 8594193
    Abstract: A method of obtaining a disparity vector and its encoding/decoding in the multi-view coding process is disclosed. The present invention includes essentially: determining a disparity vector between two views during the multi-view image coding, and computing a disparity vector between the other two views according to the disparity vector between the two views and the known relative location information between each of the views. Thereafter, the disparity vector is used for multi-view encoding/decoding. The present invention further makes use of the correlation between the disparity vector and depth information of the spatial vector on one hand, and on the other hand makes use of the direct relationship between the disparity vector and the location of each of the cameras. It is experimentally proved that the disparity vector between several views can be accurately computed during the multi-view coding, thereby improving the performance of multi-view coding.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: November 26, 2013
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yun He, Xiaozhong Xu, Gang Zhu, Ping Yang, Jianhua Zheng, Shujuan Shi, Xiaozhen Zheng, Xinjian Meng
  • Patent number: 8592594
    Abstract: A compound of formula (I) or a pharmaceutically acceptable salt or ester thereof, wherein A1 to A3 and R1 to R10 have the significance given in claim 1, can be used as a medicament. These compounds are useful in the treatment or prophylaxis of diseases that are related to AMPK regulation, such as obesity, dyslipidemia, hyperglycemia, type 1 or type 2 diabetes and cancers.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: November 26, 2013
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Li Chen, Lichun Feng, Yun He, Mengwei Huang, Yongfu Liu, Hongying Yun, Mingwei Zhou
  • Publication number: 20130301707
    Abstract: An encoding method with multiple image block division manners is disclosed, including: determining a division manner and a division direction of an image block; dividing the image block to obtain image subblocks sequentially arranged horizontally or vertically; determining whether the image subblocks need subdivision, and if subdivision is not needed, predicting the encoding object in the frame according to the image subblocks, to obtain residual data; performing transformation, quantization, and entropy encoding for the residual data so as to obtain coded residual data; and writing the division manner of the image block, the division direction of the image block, an identifier indicating whether the image subblocks need subdivision, and the coded residual data into a bitstream. By applying the encoding method, better prediction accuracy can be achieved when the image block presents a small change of pixel value in the horizontal or vertical direction.
    Type: Application
    Filed: July 10, 2013
    Publication date: November 14, 2013
    Inventors: Changcai LAI, Xiaoran CAO, Yongbing LIN, Lingzhi LIU, Yun HE
  • Patent number: 8428396
    Abstract: An image interpolation method includes: obtaining pixel values of integer pixel points and/or sub-pixel points in the row, column or any other directions of pixel points; obtaining pre-calculated interpolation coefficients, and interpolating the pixel points. A method for obtaining image interpolation coefficients includes: solving a one-dimensional Wiener-Hopf equation to obtain needed interpolation coefficients in different directions. An image interpolation apparatus performs interpolation filter processing on pixel points by using a first obtaining module, a second obtaining module, and a first calculating module. With the image interpolation method and apparatus, and the method for obtaining interpolation coefficients, the interpolation filter accuracy of the pixel points may be improved, the search accuracy of pixel points may be improved, and thus a more accurate matching block may be obtained in a reference image.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: April 23, 2013
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yun He, Zhongmou Wu, Xiaozhen Zheng, Jianhua Zheng