公开(公告)号：US11533485B2

公开(公告)日：2022-12-20

申请号：US16778048

申请日：2020-01-31

Applicant: GE Video Compression, LLC

Inventor： Valeri George ,  Benjamin Bross ,  Heiner Kirchhoffer ,  Detlev Marpe ,  Tung Nguyen ,  Matthias Preiss ,  Mischa Siekmann ,  Jan Stegemann ,  Thomas Wiegand

IPC: H04B1/66 ,  H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/13 ,  H04N19/50 ,  H04N19/70 ,  H04N19/61 ,  H04N19/124 ,  H03M7/42 ,  H04N19/52 ,  H04N19/513 ,  H04N19/91 ,  H04N19/132 ,  H04N19/174 ,  H04N19/184

Abstract: An entropy decoder is configured to, for horizontal and vertical components of motion vector differences, derive a truncated unary code from the data stream using context-adaptive binary entropy decoding with exactly one context per bin position of the truncated unary code, which is common for horizontal and vertical components of the motion vector differences, and an Exp-Golomb code using a constant equi-probability bypass mode to obtain the binarizations of the motion vector differences. A desymbolizer is configured to debinarize the binarizations of the motion vector difference syntax elements to obtain integer values of the horizontal and vertical components of the motion vector differences. A reconstructor is configured to reconstruct a video based on the integer values of the horizontal and vertical components of the motion vector differences.

公开(公告)号：US10674164B2

公开(公告)日：2020-06-02

申请号：US16153307

申请日：2018-10-05

Applicant: GE Video Compression, LLC

Inventor： Thomas Schierl ,  Valeri George ,  Anastasia Henkel ,  Detlev Marpe ,  Karsten Grüneberg ,  Robert Skupin

IPC: H04N19/102 ,  H04N19/169 ,  H04N19/46 ,  H04N19/91 ,  H04N19/70 ,  H04N19/463 ,  H04N19/174 ,  H04N19/436 ,  H04N19/13 ,  H04N19/593

Abstract: Parallel processing concepts such as wavefront parallel processing, are realized with a reduced end-to-end delay by giving up the usual slice concept according to which slices are either coded/decoded completely independent from areas of the picture outside of the respective slice, or at least independent from areas outside the respective slice as far as the entropy coding is concerned, namely in favor of slices of different modes, namely ones called dependent slices which allow for interdependencies across slice boundaries, and others which do not, called normal slices, for example. Combined with the aspect or not, WPP processing concept is made more efficiently by using the slices' start syntax portions to locate WPP entry points.

公开(公告)号：US10659798B2

公开(公告)日：2020-05-19

申请号：US16109874

申请日：2018-08-23

Applicant: GE VIDEO COMPRESSION, LLC

Inventor： Valeri George ,  Anastasia Henkel ,  Heiner Kirchhoffer ,  Detlev Marpe ,  Thomas Schierl

IPC: H04N11/02 ,  H04N19/44 ,  H03M7/30 ,  H04N19/13 ,  H04N19/503 ,  H04N19/91 ,  H04N19/436 ,  H04N19/167 ,  H04N19/174 ,  H04N19/51 ,  H03M7/40

Abstract: The entropy coding of a current part of a predetermined entropy slice is based on, not only, the respective probability estimations of the predetermined entropy slice as adapted using the previously coded part of the predetermined entropy slice, but also probability estimations as used in the entropy coding of a spatially neighboring, in entropy slice order preceding entropy slice at a neighboring part thereof. Thereby, the probability estimations used in entropy coding are adapted to the actual symbol statistics more closely, thereby lowering the coding efficiency decrease normally caused by lower-delay concepts. Temporal interrelationships are exploited additionally or alternatively.

公开(公告)号：US10425644B2

公开(公告)日：2019-09-24

申请号：US16238013

申请日：2019-01-02

Applicant: GE Video Compression, LLC

Inventor： Valeri George ,  Benjamin Bross ,  Heiner Kirchhoffer ,  Detlev Marpe ,  Tung Nguyen ,  Matthias Preiss ,  Mischa Siekmann ,  Jan Stegemann ,  Thomas Wiegand

IPC: H04N19/13 ,  H03M7/42 ,  H04N19/52 ,  H04N19/50 ,  H04N19/70 ,  H04N19/61 ,  H04N19/124 ,  H04N19/513 ,  H04N19/91 ,  H04N19/132 ,  H04N19/174 ,  H04N19/184

Abstract: An entropy decoder is configured to, for horizontal and vertical components of motion vector differences, derive a truncated unary code from the data stream using context-adaptive binary entropy decoding with exactly one context per bin position of the truncated unary code, which is common for horizontal and vertical components of the motion vector differences, and an Exp-Golomb code using a constant equi-probability bypass mode to obtain the binarizations of the motion vector differences. A desymbolizer is configured to debinarize the binarizations of the motion vector difference syntax elements to obtain integer values of the horizontal and vertical components of the motion vector differences. A reconstructor is configured to reconstruct a video based on the integer values of the horizontal and vertical components of the motion vector differences.

公开(公告)号：US10148962B2

公开(公告)日：2018-12-04

申请号：US15880772

申请日：2018-01-26

Applicant: GE Video Compression, LLC

Inventor： Valeri George ,  Benjamin Bross ,  Heiner Kirchhoffer ,  Detlev Marpe ,  Tung Nguyen ,  Matthias Preiss ,  Mischa Siekmann ,  Jan Stegemann ,  Thomas Wiegand

IPC: H04B1/66 ,  H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/13 ,  H04N19/174 ,  H04N19/61 ,  H04N19/513 ,  H04N19/52 ,  H04N19/70 ,  H04N19/184 ,  H04N19/50 ,  H04N19/132 ,  H03M7/42 ,  H04N19/124 ,  H04N19/91

Abstract: An entropy decoder is configured to, for horizontal and vertical components of motion vector differences, derive a truncated unary code from the data stream using context-adaptive binary entropy decoding with exactly one context per bin position of the truncated unary code, which is common for horizontal and vertical components of the motion vector differences, and an Exp-Golomb code using a constant equi-probability bypass mode to obtain the binarizations of the motion vector differences. A desymbolizer is configured to debinarize the binarizations of the motion vector difference syntax elements to obtain integer values of the horizontal and vertical components of the motion vector differences. A reconstructor is configured to reconstruct a video based on the integer values of the horizontal and vertical components of the motion vector differences.

公开(公告)号：US09930370B2

公开(公告)日：2018-03-27

申请号：US15636476

申请日：2017-06-28

Applicant: GE Video Compression, LLC

Inventor： Valeri George ,  Benjamin Bross ,  Heiner Kirchhoffer ,  Detlev Marpe ,  Tung Nguyen ,  Matthias Preiss ,  Mischa Siekmann ,  Jan Stegemann ,  Thomas Wiegand

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/91 ,  H03M7/42 ,  H04N19/52 ,  H04N19/50 ,  H04N19/70 ,  H04N19/13 ,  H04N19/61 ,  H04N19/124 ,  H04N19/513 ,  H04N19/132 ,  H04N19/174 ,  H04N19/184

CPC classification number: H04N19/13 ,  H03M7/42 ,  H04N19/124 ,  H04N19/132 ,  H04N19/174 ,  H04N19/184 ,  H04N19/50 ,  H04N19/513 ,  H04N19/52 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91

Abstract: An entropy decoder is configured to, for horizontal and vertical components of motion vector differences, derive a truncated unary code from the data stream using context-adaptive binary entropy decoding with exactly one context per bin position of the truncated unary code, which is common for horizontal and vertical components of the motion vector differences, and an Exp-Golomb code using a constant equi-probability bypass mode to obtain the binarizations of the motion vector differences. A desymbolizer is configured to debinarize the binarizations of the motion vector difference syntax elements to obtain integer values of the horizontal and vertical components of the motion vector differences. A reconstructor is configured to reconstruct a video based on the integer values of the horizontal and vertical components of the motion vector differences.

公开(公告)号：US09918104B2

公开(公告)日：2018-03-13

申请号：US15636425

申请日：2017-06-28

Applicant: GE Video Compression, LLC

Inventor： Valeri George ,  Benjamin Bross ,  Heiner Kirchhoffer ,  Detlev Marpe ,  Tung Nguyen ,  Matthias Preiss ,  Mischa Siekmann ,  Jan Stegemann ,  Thomas Wiegand

IPC: H04N7/12 ,  H04N19/52 ,  H04N19/13 ,  H04N19/124 ,  H04N19/132 ,  H04N19/174 ,  H04N19/184 ,  H04N19/61 ,  H04N19/70

CPC classification number: H04N19/13 ,  H03M7/42 ,  H04N19/124 ,  H04N19/132 ,  H04N19/174 ,  H04N19/184 ,  H04N19/50 ,  H04N19/513 ,  H04N19/52 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91

Abstract: An entropy decoder is configured to, for horizontal and vertical components of motion vector differences, derive a truncated unary code from the data stream using context-adaptive binary entropy decoding with exactly one context per bin position of the truncated unary code, which is common for horizontal and vertical components of the motion vector differences, and an Exp-Golomb code using a constant equi-probability bypass mode to obtain the binarizations of the motion vector differences. A desymbolizer is configured to debinarize the binarizations of the motion vector difference syntax elements to obtain integer values of the horizontal and vertical components of the motion vector differences. A reconstructor is configured to reconstruct a video based on the integer values of the horizontal and vertical components of the motion vector differences.

公开(公告)号：US09762913B2

公开(公告)日：2017-09-12

申请号：US15430826

申请日：2017-02-13

Applicant: GE Video Compression, LLC

Inventor： Valeri George ,  Benjamin Bross ,  Heiner Kirchhoffer ,  Detlev Marpe ,  Tung Nguyen ,  Matthias Preiss ,  Mischa Siekmann ,  Jan Stegemann ,  Thomas Wiegand

IPC: H04N7/12 ,  H04N19/13 ,  H04N19/70 ,  H04N19/124 ,  H04N19/184 ,  H04N19/174

CPC classification number: H04N19/13 ,  H03M7/42 ,  H04N19/124 ,  H04N19/132 ,  H04N19/174 ,  H04N19/184 ,  H04N19/50 ,  H04N19/513 ,  H04N19/52 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91

Abstract: A decoder includes an entropy decoder configured to derive a number of bins of the binarizations from the data stream using binary entropy decoding by selecting a context among different contexts and updating probability states associated with the different contexts, dependent on previously decoded portions of the data stream; a desymbolizer configured to debinarize the binarizations of the syntax elements to obtain integer values of the syntax elements; a reconstructor configured to reconstruct the video based on the integer values of the syntax elements using a quantization parameter, wherein the entropy decoder is configured to distinguish between 126 probability states and to initialize the probability states associated with the different contexts according to a linear equation of the quantization parameter, wherein the entropy decoder is configured to, for each of the different contexts, derive a slope and an offset of the linear equation from first and second four bit parts of a respective 8 bit initialization value.

公开(公告)号：US09596469B2

公开(公告)日：2017-03-14

申请号：US14141374

申请日：2013-12-26

Applicant: GE Video Compression, LLC

Inventor： Valeri George ,  Anastasia Henkel ,  Heiner Kirchhoffer ,  Detlev Marpe ,  Thomas Schierl

IPC: H04N11/02 ,  H04N19/91 ,  H04N19/503 ,  H04N19/13 ,  H04N19/436 ,  H03M7/40 ,  H03M7/30

CPC classification number: H04N19/44 ,  H03M7/3071 ,  H03M7/4037 ,  H04N19/13 ,  H04N19/167 ,  H04N19/174 ,  H04N19/436 ,  H04N19/503 ,  H04N19/51 ,  H04N19/91

Abstract: The entropy coding of a current part of a predetermined entropy slice is based on, not only, the respective probability estimations of the predetermined entropy slice as adapted using the previously coded part of the predetermined entropy slice, but also probability estimations as used in the entropy coding of a spatially neighboring, in entropy slice order preceding entropy slice at a neighboring part thereof. Thereby, the probability estimations used in entropy coding are adapted to the actual symbol statistics more closely, thereby lowering the coding efficiency decrease normally caused by lower-delay concepts. Temporal interrelationships are exploited additionally or alternatively.

Abstract translation: 预定熵片的当前部分的熵编码不仅基于使用预定熵片的先前编码部分进行适应的预定熵片的各自的概率估计，而且还基于在熵中使用的概率估计 在相邻部分处于熵切片之前的熵片序列中的空间相邻的编码。 由此，在熵编码中使用的概率估计更适合于实际符号统计，从而降低通常由较低延迟概念引起的编码效率降低。 时间相互关系被额外地或替代地利用。

公开(公告)号：US20250024056A1

公开(公告)日：2025-01-16

申请号：US18749236

申请日：2024-06-20

Applicant: GE Video Compression, LLC

Inventor： Robert SKUPIN ,  Karsten Suehring ,  Yago Sanchez De La Fuente ,  Gerhard Tech ,  Valeri George ,  Thomas Schierl ,  Detlev Marpe

IPC: H04N19/44 ,  H04N19/105 ,  H04N19/137 ,  H04N19/17 ,  H04N19/187 ,  H04N19/30 ,  H04N19/36 ,  H04N19/436 ,  H04N19/463 ,  H04N19/52 ,  H04N19/55 ,  H04N19/59 ,  H04N19/597 ,  H04N19/70

Abstract: Various concepts which further improve multi-view/layer coding concepts, are described.