公开(公告)号：US20210176484A1

公开(公告)日：2021-06-10

申请号：US16769798

申请日：2018-12-06

申请人： V-NOVA INTERNATIONAL LIMITED

发明人： Ivan MAKEEV ,  Balázs KESZTHELYI ,  Stergios POULARAKIS ,  Michele Sanna ,  Robert ETTINGER

IPC分类号： H04N19/33 ,  H04N19/17 ,  H04N19/187 ,  H04N19/46 ,  H04N19/154 ,  H04N19/167

摘要： First compressed data is decoded to obtain a representation of an image at a first level of quality which is output for display. In response to a predetermined trigger event, second compressed data is decoded to obtain reconstruction data, and the reconstruction data is used to reconstruct a representation of part of the image at a second, higher level of quality using the representation at the first level of quality. The representation of part of the image is output for display at the second level of quality.

公开(公告)号：US20210160504A1

公开(公告)日：2021-05-27

申请号：US17164502

申请日：2021-02-01

申请人： HUAWEI TECHNOLOGIES CO., LTD. ,  TSINGHUA UNIVERSITY

发明人： Xiaozhen ZHENG ,  Zhen MAO ,  Ziyuan WANG ,  Yun HE ,  Xiaozhong XU ,  Jianhua ZHENG

IPC分类号： H04N19/126 ,  H04N19/70 ,  H04N19/61 ,  H04N19/174 ,  H04N19/17 ,  H04N19/436 ,  H04N19/46

摘要： 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.

公开(公告)号：US20210160495A1

公开(公告)日：2021-05-27

申请号：US17091430

申请日：2020-11-06

申请人： INNOTIVE CORPORATION ,  NATIONAL COMPUTERIZATION AGENCY

发明人： Sung-Min KIM

IPC分类号： H04N19/119 ,  H04N19/46 ,  H04N19/60 ,  H04N19/12 ,  H04N19/136 ,  H04N19/162 ,  H04N19/164 ,  H04N19/17

摘要： A transferring system for huge and high quality images on network and a method thereof are disclosed, wherein various individual image data are converted into high quality image data to be converted into layered image data, and classified into a plurality of sub cells, then stored in database as a compressed form. A client system connected to a server requires information, immediately downloads the required information, releases the compression, and then displays on a screen real time. In the present invention, a user can fast see only his wanted part since images of a newspaper and a magazine are converted as they were. Also, various additional information is provided with image, thereby providing multimedia digital publication services on wire or wireless network.

公开(公告)号：US11019263B2

公开(公告)日：2021-05-25

申请号：US16847102

申请日：2020-04-13

申请人： Intel Corporation

发明人： Stanley J. Baran ,  Abhishek R. Appu ,  Sang-Hee Lee ,  Atthar H. Mohammed ,  Jong Dae Oh ,  Hiu-Fai R. Chan ,  Joydeep Ray ,  Barnan Das ,  Archie Sharma ,  Richmond Hicks ,  Changliang Wang ,  Satyanarayana Avadhanam ,  Robert J. Johnston ,  Narayan Biswal

IPC分类号： H04N7/00 ,  H04N5/14 ,  H04N5/232 ,  G03B17/56 ,  G03B37/04 ,  H04N5/225 ,  G06F3/01 ,  G02B27/01 ,  H04N13/243 ,  H04N19/167 ,  H04N21/4402 ,  H04N21/442 ,  H04N21/81 ,  H04N19/17 ,  H04N21/4728 ,  H04N19/179 ,  H04N21/4223 ,  H04N21/2343 ,  H04N19/132 ,  H04N21/218 ,  H04N13/344 ,  H04N13/383 ,  H04N13/25 ,  H04N13/271 ,  H04N13/00

摘要： Systems and methods may provide for capturing 360 degree video, and multi-resolution encoding, processing and displaying of the video based on a field of view (FOV) and region of interest (ROI) for a viewer. The ROI may be determined based on eye tracking information (ETI) and the video may be encoded for viewports within the FOV at a high resolution and for other viewports outside the FOV at a lower resolution. ROI in the video may be encoded at a high resolution and areas outside of the ROI may be encoded at a lower resolution. The ETI enables the selective display of one or more warnings based on the gaze of a user to improve the efficiency of the warning. 3D glasses having variable lens may be used to adjust the focal distance of a virtual display to match a virtual distance of an object based on stereo distance cues.

公开(公告)号：US20210152849A1

公开(公告)日：2021-05-20

申请号：US17046637

申请日：2019-04-01

申请人： InterDigitai VC Holdings, Inc.

发明人： Celine Guede ,  Joan LLACH PINSACH ,  Kangying CAI

IPC分类号： H04N19/597 ,  H04N19/17 ,  H04N19/103 ,  H04N19/147

摘要： The present principles relate to a method and device method for encoding depth values of orthogonally projected points of a point cloud onto a projection plane. The present principles also relate to a method and device for decoding a point cloud, a computer readable program and a video signal.

公开(公告)号：US10992944B2

公开(公告)日：2021-04-27

申请号：US16506359

申请日：2019-07-09

申请人： Sun Patent Trust

发明人： Semih Esenlik ,  Matthias Narroschke ,  Thomas Wedi

IPC分类号： H04N19/44 ,  H04N13/189 ,  H04N19/597 ,  H04N19/176 ,  H04N19/46 ,  H04N19/61 ,  H04N19/436 ,  H04N19/174 ,  H04N19/11 ,  H04N19/136 ,  H04N19/192 ,  H04N19/119 ,  H04N19/167 ,  H04N19/17

摘要： An image decoding method for decoding a bitstream including a coded signal resulting from coding tiles and slices into which an image is partitioned, the method including decoding the coded signal, wherein each of the slices is either a normal slice having, in a header, information used for an other slice or a dependent slice which is decoded using information included in a slice header of another slice, and when the normal slice starts from a position other than a beginning of a first tile, a second tile coded next to the first tile does not start from the dependent slice.

公开(公告)号：US10956766B2

公开(公告)日：2021-03-23

申请号：US16099402

申请日：2017-05-05

申请人： Vid Scale, Inc.

发明人： Kumar Ramaswamy ,  Jeffrey Allen Cooper

IPC分类号： G06K9/32 ,  H04N21/2343 ,  H04N19/102 ,  H04N19/98 ,  H04N21/845 ,  H04N19/16 ,  H04N19/179 ,  H04N21/854 ,  H04N21/643 ,  H04N21/258 ,  G06T5/00 ,  G06T5/40 ,  H04N19/17

摘要： Systems and methods are described for enabling a client device to request video streams with different bit depth remappings for different viewing conditions. In an embodiment, information indicating the availability of additional remapped profiles is sent in a manifest file. Alternative bit-depth remappings may be optimized for different regions of interest in the image or video content, or for different viewing conditions, such as different display technologies and different ambient illumination. Some embodiments based on the DASH protocol perform multiple depth mappings at the encoder and also perform ABR-encoding for distribution. The manifest file contains information indicating additional remapping profiles. The remapping profiles are associated with different transformation functions used to convert from a higher bit-depth to a lower bit-depth.

公开(公告)号：US20210084312A1

公开(公告)日：2021-03-18

申请号：US17105910

申请日：2020-11-27

申请人： Panasonic Intellectual Property Corporation of America

发明人： Pongsak LASANG ,  Zheng WU ,  Chi WANG ,  Chung Dean HAN ,  Toshiyasu SUGIO

IPC分类号： H04N19/17 ,  H04N19/184 ,  H04N19/159 ,  G01B11/00

摘要： A three-dimensional data encoding method of encoding three-dimensional points obtained by a sensor includes: encoding local coordinate information indicating sets of local coordinates that are coordinates of the three-dimensional points and are dependent on a location of the sensor; and generating an encoded bitstream including the local coordinate information encoded and global coordinate information indicating global coordinates that are coordinates of a reference point or at least one of the three-dimensional points and are independent from the location of the sensor.

公开(公告)号：US20210076051A1

公开(公告)日：2021-03-11

申请号：US17100591

申请日：2020-11-20

申请人： CANON KABUSHIKI KAISHA

发明人： Masato Shima

IPC分类号： H04N19/182 ,  H04N19/117 ,  H04N19/17 ,  H04N19/70 ,  H04N19/82 ,  H04N19/86

摘要： A coding apparatus for performing coding of an image including a plurality of tiles includes determining means for determining, with respect to a plurality of boundaries constituted by the plurality of tiles, whether or not filter processing is performed on pixels adjacent to the boundaries, and coding means for performing coding of control information indicating whether or not the filter processing is performed on the pixels adjacent to the boundaries in accordance with a determining by the determining means with respect to at least two of the plurality of boundaries.

公开(公告)号：US10924749B2

公开(公告)日：2021-02-16

申请号：US16780844

申请日：2020-02-03

申请人： Microsoft Technology Licensing, LLC

发明人： Thomas W. Holcomb ,  Chih-Lung Lin ,  Pohsiang Hsu ,  Sridhar Srinivasan

IPC分类号： H04N19/18 ,  H04N19/91 ,  H04N19/70 ,  H04N19/46 ,  H04N19/61 ,  H04N19/124 ,  H04N19/126 ,  H04N19/136 ,  H04N19/137 ,  H04N19/17 ,  H04N19/184 ,  H04N19/186 ,  H04N19/44 ,  H04N19/625 ,  H04N19/176

摘要： With adaptive multiple quantization, a video or other digital media codec can adaptively select among multiple quantizers to apply to transform coefficients. The switch in quantizers can be signaled at the sequence level or frame level of the bitstream syntax, or can be implicitly specified in the syntax.