Patents by Inventor Philipp Zhang

Philipp Zhang 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: 10129542
    Abstract: A video codec configured to receive a current block and a plurality of neighboring pixels, wherein the current block comprises a first partition and a second partition, select one or more reference pixels from the plurality of neighboring pixels, and predict a plurality of pixels located in the second partition based on the reference pixels.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: November 13, 2018
    Assignees: Futurewei Technologies, Inc., Santa Clara University
    Inventors: Zhouye Gu, Jianhua Zheng, Nam Ling, Philipp Zhang
  • Patent number: 9503723
    Abstract: There is disclosed a method, apparatus and computer program product for prediction mode selection for coding a block of a depth map. An ordered list of coding modes is obtained, wherein the ordered list of coding modes comprises a plurality of coding modes each of which is capable of being used for coding of the block. A plurality of depth modeling modes (DMMs) each of which is capable of being used for coding of the block are obtained. And whether a DMM of the plurality of DMMs is to be added into the ordered list of coding modes in accordance with a decision condition is determined.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: November 22, 2016
    Assignees: Futurewei Technologies, Inc., Santa Clara University
    Inventors: Zhouye Gu, Jianhua Zheng, Nam Ling, Philipp Zhang
  • Patent number: 9307237
    Abstract: A video codec comprising a processor configured to generate a prediction block for a chroma block, wherein the prediction block comprises a predicted chroma sample, wherein the predicted chroma sample is based on a filtered reconstructed luma sample located in a corresponding reconstructed luma block, a plurality of downsampled filtered reconstructed luma samples located in positions neighboring the corresponding reconstructed luma block, and a plurality of downsampled chroma samples located in positions neighboring the chroma block.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: April 5, 2016
    Assignees: Futurewei Technologies, Inc., Santa Clara University
    Inventors: Lingzhi Liu, Guichun Li, Nam Ling, Jianhua Zheng, Philipp Zhang, Li Song
  • Publication number: 20150110174
    Abstract: A video codec configured to receive a current block and a plurality of neighboring pixels, wherein the current block comprises a first partition and a second partition, select one or more reference pixels from the plurality of neighboring pixels, and predict a plurality of pixels located in the second partition based on the reference pixels.
    Type: Application
    Filed: October 16, 2014
    Publication date: April 23, 2015
    Inventors: Zhouye Gu, Jianhua Zheng, Nam Ling, Philipp Zhang
  • Publication number: 20150049807
    Abstract: There is disclosed a method, device and computer-readable storage medium for decoding video data. The method includes: obtaining a reference sample array of a video block; obtaining a sum of the reference sample array; calculating a threshold by performing arithmetic right shift to the sum, a shift value of the arithmetic right shift being determined according to size information of the video block; and determining the binary partition pattern by comparing the reference sample array with the threshold.
    Type: Application
    Filed: July 18, 2014
    Publication date: February 19, 2015
    Applicants: SANTA CLARA UNIVERSITY, FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Zhouye GU, Jianhua ZHENG, Nam LING, Philipp ZHANG
  • Publication number: 20140314271
    Abstract: System, apparatus, and method embodiments are provided for detecting the presence of a pedestrian in an image. In an embodiment, a method for determining whether a person is present in an image includes receiving a plurality of images, wherein each image comprises a plurality of pixels and determining a modified center symmetric local binary pattern (MS-LBP) for the plurality of pixels for each image, wherein the MS-LBP is calculated on a gradient magnitude map without using an interpolation process, and wherein a value for each pixel is a gradient magnitude.
    Type: Application
    Filed: April 18, 2013
    Publication date: October 23, 2014
    Applicant: HUAWEI TECHNOLOGIES, CO., LTD.
    Inventors: Jingsong Xu, Zefeng Ni, Qiang Wu, Jian Zhang, Haibo Liu, Philipp Zhang, Wei Chen
  • Publication number: 20140307787
    Abstract: There is disclosed a method, apparatus and computer program product for prediction mode selection for coding a block of a depth map. An ordered list of coding modes is obtained, wherein the ordered list of coding modes comprises a plurality of coding modes. And whether a depth modeling mode and/or a region boundary chain mode is to be added into the ordered list of coding modes in accordance with a decision condition is determined.
    Type: Application
    Filed: April 15, 2014
    Publication date: October 16, 2014
    Applicants: Santa Clara University, Futurewei Technologies, Inc.
    Inventors: Jianhua ZHENG, Zhouye GU, Nam LING, Philipp ZHANG
  • Publication number: 20140198179
    Abstract: There is disclosed a method, apparatus and computer program product for prediction mode selection for coding a block of a depth map. An ordered list of coding modes is obtained, wherein the ordered list of coding modes comprises a plurality of coding modes each of which is capable of being used for coding of the block. A plurality of depth modeling modes (DMMs) each of which is capable of being used for coding of the block are obtained. And whether a DMM of the plurality of DMMs is to be added into the ordered list of coding modes in accordance with a decision condition is determined.
    Type: Application
    Filed: January 10, 2014
    Publication date: July 17, 2014
    Applicant: FUTUREWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhouye GU, Jianhua Zheng, Nam Ling, Philipp Zhang
  • Publication number: 20140169662
    Abstract: A method of performing an image retargeting quality assessment comprising comparing an original image and a retargeted image in a frequency domain, wherein the retargeted image is obtained by performing a retargeting algorithm on the original image. The disclosure also includes an apparatus comprising a processor configured to perform an image retargeting quality assessment, and compare an original image and a retargeted image in a spatial domain, wherein the retargeted image is obtained by performing a retargeting algorithm on the original image, and wherein comparing the original image and the retargeted image in the spatial domain comprises comparing the original image and the retargeted image to determine an amount of shape distortion between the images.
    Type: Application
    Filed: December 13, 2012
    Publication date: June 19, 2014
    Applicant: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Anmin Liu, Weisi Lin, Chen Hai, Philipp Zhang
  • Publication number: 20130003832
    Abstract: A method comprising receiving a plurality of reference pixels, computing a plurality of filter coefficients based on differences between a reference pixel and neighboring reference pixels in the plurality of reference pixels, and combining the filter coefficients with the reference pixel and the neighboring reference pixels to generate a filtered value, wherein the filtered value is used for intra prediction.
    Type: Application
    Filed: June 13, 2012
    Publication date: January 3, 2013
    Applicant: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Guichun Li, Lingzhi Liu, Changcai Lai, Nam Ling, Jianhua Zheng, Philipp Zhang
  • Publication number: 20120320974
    Abstract: An apparatus comprising a processor configured to determine whether to use an intra smoothing filter for a rectangular prediction unit (PU) based on a lookup table (LUT) used for square PUs, wherein a width of the rectangular PU is not equal to a height of the rectangular PU.
    Type: Application
    Filed: May 18, 2012
    Publication date: December 20, 2012
    Applicant: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Guichun Li, Lingzhi Liu, Changcai Lai, Nam Ling, Jianhua Zheng, Philipp Zhang