公开(公告)号：US10382787B2

公开(公告)日：2019-08-13

申请号：US15820687

申请日：2017-11-22

Applicant: GE Video Compression, LLC

Inventor： Thomas Wiegand ,  Karsten Mueller ,  Philipp Merkle

IPC: H04N19/30 ,  H04N19/597 ,  H04N13/111 ,  H04N19/105 ,  H04N19/46 ,  H04N19/513 ,  H04N19/61 ,  H04N19/11 ,  H04N19/109 ,  H04N19/17 ,  H04N19/172 ,  H04N19/177 ,  H04N19/567 ,  H04N19/124 ,  H04N19/80 ,  H04N13/00

Abstract: Hybrid video decoder supporting intermediate view synthesis of an intermediate view video from a first- and a second-view video which are predictively coded into a multi-view data signal with frames of the second-view video being spatially subdivided into sub-regions and the multi-view data signal having a prediction mode is provided, having: an extractor configured to respectively extract, from the multi-view data signal, for sub-regions of the frames of the second-view video, a disparity vector and a prediction residual; a predictive reconstructor configured to reconstruct the sub-regions of the frames of the second-view video, by generating a prediction from a reconstructed version of a portion of frames of the first-view video using the disparity vectors and a prediction residual for the respective sub-regions; and an intermediate view synthesizer configured to reconstruct first portions of the intermediate view video.

公开(公告)号：US10334255B2

公开(公告)日：2019-06-25

申请号：US15655329

申请日：2017-07-20

Applicant: GE VIDEO COMPRESSION, LLC

Inventor： Philipp Merkle ,  Christian Bartnik ,  Haricharan Lakshman ,  Detlev Marpe ,  Karsten Mueller ,  Thomas Wiegand ,  Gerhard Tech

IPC: H04N19/14 ,  H04N19/46 ,  H04N19/61 ,  H04N19/70 ,  H04N19/82 ,  H04N19/96 ,  H04N19/105 ,  H04N19/119 ,  H04N19/126 ,  H04N19/157 ,  H04N19/176 ,  H04N19/196 ,  H04N19/593 ,  H04N19/597

Abstract: The way of predicting a current block by assigning constant partition values to the partitions of a bi-partitioning of a block is quite effective, especially in case of coding sample arrays such as depth/disparity maps where the content of these sample arrays is mostly composed of plateaus or simple connected regions of similar value separated from each other by steep edges. The transmission of such constant partition values would, however, still need a considerable amount of side information which should be avoided. This side information rate may be further reduced if mean values of values of neighboring samples associated or adjoining the respective partitions are used as predictors for the constant partition values.

公开(公告)号：US10154245B2

公开(公告)日：2018-12-11

申请号：US15837989

申请日：2017-12-11

Applicant: GE VIDEO COMPRESSION, LLC

Inventor： Gerhard Tech ,  Karsten Mueller ,  Thomas Wiegand

IPC: H04N13/00 ,  H04N13/161 ,  H04N13/111 ,  H04N13/128 ,  G06T15/20 ,  H04N13/122

Abstract: An apparatus for determining a measure for a distortion change of a first view synthesized from a second view, caused by a modification of a depth map of the second view from a first state to a second state, is configured to compute a possible successor synthesis state corresponding to a synthesis of the first view from the second view having the depth map modified to the second state in an already processed portion plus a currently processed portion and having the depth map unmodified at the first state in the yet to be processed portion without the currently processed portion; and to determine a distortion change of a distortion of the current synthesis state of the first view relative to an undistorted version of the first view to a distortion of the possible successor synthesis state of the first view relative to the undistorted version of the first view.

公开(公告)号：US20180167600A1

公开(公告)日：2018-06-14

申请号：US15837989

申请日：2017-12-11

Applicant: GE VIDEO COMPRESSION, LLC

Inventor： Gerhard Tech ,  Karsten Mueller ,  Thomas Wiegand

IPC: H04N13/00 ,  G06T15/20

CPC classification number: H04N13/161 ,  G06T15/205 ,  H04N13/111 ,  H04N13/122 ,  H04N13/128

Abstract: An apparatus for determining a measure for a distortion change of a first view synthesized from a second view, caused by a modification of a depth map of the second view from a first state to a second state, is configured—starting from a current synthesis state of the first view corresponding to a synthesis from the second view having the depth map modified to the second state in an already processed portion of the depth map and having the depth map unmodified at the first state in a yet to be processed portion of the depth map—to compute a possible successor synthesis state corresponding to a synthesis of the first view from the second view having the depth map modified to the second state in an already processed portion plus a currently processed portion and having the depth map unmodified at the first state in the yet to be processed portion without the currently processed portion; and to determine a distortion change of a distortion of the current synthesis state of the first view relative to an undistorted version of the first view to a distortion of the possible successor synthesis state of the first view relative to the undistorted version of the first view.

公开(公告)号：US20170171548A1

公开(公告)日：2017-06-15

申请号：US15386634

申请日：2016-12-21

Applicant: GE VIDEO COMPRESSION, LLC

Inventor： Thomas WIEGAND ,  Detlev Marpe ,  Karsten Mueller ,  Philipp Merkle ,  Gerhard Tech ,  Hunn Rhee ,  Heiko Schwarz

IPC: H04N19/159 ,  H04N19/196 ,  H04N19/597 ,  H04N19/176

CPC classification number: H04N13/161 ,  H04N19/139 ,  H04N19/159 ,  H04N19/176 ,  H04N19/197 ,  H04N19/597 ,  H04N19/61

Abstract: Embodiments are described which exploit a finding, according to which a higher compression rate or better rate/distortion ratio may be achieved by adopting or predicting second coding parameters used for encoding a second view of the multi-view signal from first coding parameters used in encoding a first view of the multi-view signal. In other words, the inventors found out that the redundancies between views of a multi-view signal are not restricted to the views themselves, such as the video information thereof, but that the coding parameters in parallely encoding these views show similarities which may be exploited in order to further improve the coding rate.