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4-Traders Homepage  >  Equities  >  KOREA EXCHANGE  >  Samsung Electronics Co Ltd    005930   KR7005930003

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Samsung Electronics : Patent Issued for Multiview Video Encoding Method and Device, and Multiview Video Decoding Method and Device (USPTO 9774883)

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10/05/2017 | 10:54pm CEST

By a News Reporter-Staff News Editor at Electronics Newsweekly -- A patent by the inventors Choi, Byeong-doo (Siheung-si, KR); Kim, Jae-hyun (Seoul, KR); Park, Jeong-hoon (Seoul, KR), filed on October 23, 2014, was published online on September 26, 2017, according to news reporting originating from Alexandria, Virginia, by VerticalNews correspondents.

Patent number 9774883 is assigned to SAMSUNG ELECTRONICS CO., LTD. (Suwon-si, KR).

The following quote was obtained by the news editors from the background information supplied by the inventors: "Methods and apparatuses consistent with exemplary embodiments of the present application relate to encoding and decoding scalable video and multi-view video, and more particularly to scalability of scalable video and multi-view video and a high-level syntax structure for signaling multi-view information.

"In general, image data is encoded by a codec according to a predetermined data compression standard, for example, the Moving Picture Expert Group (MPEG) standard. The encoded image data is then stored in an information storage medium in the form of a bitstream or transmitted via a communication channel.

"Scalable video coding (SVC), as a video compression method, appropriately adjusts and transmits an amount of information in accordance with various communication networks and terminals. SVC thereby provides a video encoding method of adaptively providing a service to various transmission networks and various receiving terminals by using a single video stream.

"A multi-view video coding technology is widely used for 3D video coding because of the popularity of a 3D multimedia device and 3D multimedia content.

"Such conventional SVC or multi-view video coding encodes video by using a limited encoding method based on a macroblock of a predetermined size."

In addition to the background information obtained for this patent, VerticalNews journalists also obtained the inventors' summary information for this patent: "Aspects of exemplary embodiments provide a structure of a network abstraction layer (NAL) data unit for compatibility with the NAL data unit according to a conventional image compression format and signaling information about multi-view video and scalable video.

"Aspects of exemplary embodiments also provide methods and apparatuses for encoding and decoding scalable video and multi-view video by using information about multi-view video and scalable video.

"According to aspects of the exemplary embodiments, a region of a predetermined data unit is redefined as a region for scalability extension information or multi-view extension information.

"According to the aspects of the exemplary embodiments, an NAL unit having a subordinate compatibility with an NAL unit according to a conventional image compression format may be used to signal information about multi-view video and scalable video.

"According to an aspect of an exemplary embodiment, there is provided a multi-view video encoding method including: encoding a multi-view image included in a multi-view video; multiplexing the encoded multi-view image by a predetermined data unit; and adding a scalable extension type (SET) indicating which view of image among a basic view image and an additional view image is related to data included in the predetermined data unit, a depth flag indicating which image is related to the data among a texture image and a depth map image, and a view identifier (ID) of the data to a header of the predetermined data unit.

"According to another aspect of an exemplary embodiment, there is provided a multi-view video encoding apparatus including: an image encoder configured to encode a multi-view image included in a multi-view video; and an output unit configured to multiplex the encoded multi-view image by a predetermined data unit and add a scalable extension type (SET) indicating which view of image among a basic view image and an additional view image is related to data included in the predetermined data unit, a depth flag indicating which image is related to the data among a texture image and a depth map image, and a view identifier (ID) of the data to a header of the predetermined data unit.

"According to another aspect of an exemplary embodiment, there is provided a multi-view video decoding method including: receiving a bitstream comprising a predetermined data unit multiplexed from encoded multi-view image data; obtaining a scalable extension type (SET) indicating which view of image among a basic view image and an additional view image is related to data included in the predetermined data unit, a depth flag indicating which image is related to the data among a texture image and a depth map image, and a view ID of the data from a header of the predetermined data unit from the bitstream; and determining an SET of the data included in the predetermined data unit, whether the data is the texture image or the depth map image, and a view of the data, based on the obtained information.

"According to another aspect of an exemplary embodiment, there is provided a multi-view video decoding apparatus including: a receiver configured to receive a bitstream comprising a predetermined data unit multiplexed from encoded multi-view image data and obtain a scalable extension type (SET) indicating which view of image among a basic view image and an additional view image is related to data included in the predetermined data unit, a depth flag indicating which image is related to the data among a texture image and a depth map image, and a view ID of the data from a header of the predetermined data unit from the bitstream; and an image decoder configured to determine an SET of the data included in the predetermined data unit, whether the data is the texture image or the depth map image, and a view of the data, based on the obtained information."

URL and more information on this patent, see: Choi, Byeong-doo; Kim, Jae-hyun; Park, Jeong-hoon. Multiview Video Encoding Method and Device, and Multiview Video Decoding Method and Device. U.S. Patent Number 9774883, filed October 23, 2014, and published online on September 26, 2017. Patent URL: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=9774883.PN.&OS=PN/9774883RS=PN/9774883

Keywords for this news article include: SAMSUNG ELECTRONICS CO. LTD.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2017, NewsRx LLC

(c) 2017 NewsRx LLC, source Technology Newsletters

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