Inventor
XU XIAOZHONG
US525 patents
⚠️ This page may combine multiple inventors who share the name “XU XIAOZHONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
Tencent America LLC
27 patentsUS10491902B1Nov 26, 2019
Method and apparatus for history-based motion vector prediction
Tencent America LLC113 citations99
US10440378B1Oct 8, 2019
Method and apparatus for history-based motion vector prediction with parallel processing
Tencent America LLC110 citations99
US10742972B1Aug 11, 2020
Merge list construction in triangular prediction
Tencent America LLC47 citations98
US11070816B2Jul 20, 2021
Conversion of decoded block vector for intra picture block compensation
Tencent America LLC27 citations94
US10587885B2Mar 10, 2020
Method and apparatus for merge mode with additional middle candidates in video coding
Tencent America LLC21 citations94
US10469869B1Nov 5, 2019
Method and apparatus for video coding
Tencent America LLC20 citations94
US10462488B1Oct 29, 2019
Method and apparatus for video coding
Tencent America LLC30 citations94
US10462483B1Oct 29, 2019
Method and apparatus for video coding
Tencent America LLC20 citations94
US10448025B1Oct 15, 2019
Method and apparatus for video coding
Tencent America LLC22 citations94
US10397603B1Aug 27, 2019
Method and apparatus for video coding
Tencent America LLC30 citations94
US11523109B2Dec 6, 2022
Method and apparatus for improvements of affine prof
Tencent America LLC11 citations86
US11381832B2Jul 5, 2022
Method and apparatus for video coding
Tencent America LLC7 citations86
US11012687B2May 18, 2021
Method and apparatus for video coding
Tencent America LLC10 citations86
US10958934B2Mar 23, 2021
History-based affine merge and motion vector prediction
Tencent America LLC10 citations86
US10798376B2Oct 6, 2020
Method and apparatus for video coding
Tencent America LLC14 citations86
US10448026B1Oct 15, 2019
Method and apparatus for block vector signaling and derivation in intra picture block compensation
Tencent America LLC14 citations86
US11202079B2Dec 14, 2021
Method and apparatus for video decoding of an affine model in an intra block copy mode
Tencent America LLC6 citations84
US11190789B2Nov 30, 2021
Method and apparatus for video coding using inter-prediction mode signaling to dertermine motion vectors
Tencent America LLC5 citations84
US11146805B2Oct 12, 2021
Method and apparatus for video coding
Tencent America LLC5 citations84
US11039150B2Jun 15, 2021
Method and apparatus for video coding
Tencent America LLC5 citations84
US10986347B2Apr 20, 2021
Method and apparatus for video coding
Tencent America LLC7 citations84
US10848782B2Nov 24, 2020
Method and apparatus for video coding
Tencent America LLC8 citations84
US10701385B1Jun 30, 2020
Method and apparatus for reference sample memory reuse for intra picture block compensation
Tencent America LLC4 citations84
US10638137B2Apr 28, 2020
Method and apparatus for video coding
Tencent America LLC7 citations84
US10554975B1Feb 4, 2020
Method and apparatus for video coding
Tencent America LLC4 citations84
US10531090B1Jan 7, 2020
Method and apparatus for video coding
Tencent America LLC8 citations84
US10491912B1Nov 26, 2019
Method and apparatus for video coding
Tencent America LLC6 citations84
MEDIATEK INC
11 patentsUS10638152B2Apr 28, 2020
Method and apparatus of video coding with affine motion compensation
MEDIATEK INC20 citations94
US10575013B2Feb 25, 2020
Method and apparatus for decoded picture buffer management in video coding system using intra block copy
MEDIATEK INC23 citations94
US10397569B2Aug 27, 2019
Method and apparatus for template-based intra prediction in image and video coding
MEDIATEK INC38 citations94
US10390021B2Aug 20, 2019
Method and apparatus of video coding
MEDIATEK INC26 citations94
US10230961B2Mar 12, 2019
Method and apparatus for template-based intra prediction in image and video coding
MEDIATEK INC20 citations94
US10205968B2Feb 12, 2019
Method and apparatus for palette index coding in video and image compression
MEDIATEK INC30 citations94
US11039147B2Jun 15, 2021
Method and apparatus of palette mode coding for colour video data
MEDIATEK INC11 citations86
US10856009B2Dec 1, 2020
Method of block vector clipping and coding for screen content coding and video coding
MEDIATEK INC13 citations86
US10499053B2Dec 3, 2019
Method of improved directional intra prediction for video coding
MEDIATEK INC7 citations84
US10448011B2Oct 15, 2019
Method and apparatus of intra prediction in image and video processing
MEDIATEK INC6 citations84
US10375371B2Aug 6, 2019
Method and apparatus for filtering 360-degree video boundaries
MEDIATEK INC12 citations84
HFI INNOVATION INC
10 patentsUS10455231B2Oct 22, 2019
Method of adaptive motion vector resolution for video coding
HFI INNOVATION INC47 citations98
US10880547B2Dec 29, 2020
Method of adaptive motion vector resolution for video coding
HFI INNOVATION INC20 citations94
US10587881B2Mar 10, 2020
Method of decoded picture buffer management for intra block copy mode
HFI INNOVATION INC21 citations94
US10542253B2Jan 21, 2020
Method of video coding using prediction based on intra picture block copy
HFI INNOVATION INC27 citations94
US10511834B2Dec 17, 2019
Method and apparatus for Intra Block Copy reference list construction
HFI INNOVATION INC21 citations94
US10075712B2Sep 11, 2018
Method of motion vector and block vector resolution control
HFI INNOVATION INC29 citations94
US10027981B2Jul 17, 2018
Method of intra picture block copy for screen content and video coding
HFI INNOVATION INC36 citations94
US10666968B2May 26, 2020
Method of block vector prediction for intra block copy mode coding
HFI INNOVATION INC16 citations86
US10743034B2Aug 11, 2020
Method of deblocking for intra block copy in video coding
HFI INNOVATION INC7 citations84
US10362331B2Jul 23, 2019
Method and apparatus for intraBC mode with fractional-pel block vector resolution in video coding
HFI INNOVATION INC7 citations84
HE YUN
1 patentZHENG XIAOZHEN
1 patentShowing the top 50 of 525 patents by PatentIndex Score.