KR102815305B1 - 폴백 비트스트림을 사용한 뷰포트 기반 스트리밍을 위한 비트스트림 구조 - Google Patents
폴백 비트스트림을 사용한 뷰포트 기반 스트리밍을 위한 비트스트림 구조 Download PDFInfo
- Publication number
- KR102815305B1 KR102815305B1 KR1020227011891A KR20227011891A KR102815305B1 KR 102815305 B1 KR102815305 B1 KR 102815305B1 KR 1020227011891 A KR1020227011891 A KR 1020227011891A KR 20227011891 A KR20227011891 A KR 20227011891A KR 102815305 B1 KR102815305 B1 KR 102815305B1
- Authority
- KR
- South Korea
- Prior art keywords
- bitstream
- viewport
- coded video
- computer
- picture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/114—Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/115—Selection of the code volume for a coding unit prior to coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/162—User input
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/177—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a group of pictures [GOP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234345—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements the reformatting operation being performed only on part of the stream, e.g. a region of the image or a time segment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/23439—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements for generating different versions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/4728—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for selecting a Region Of Interest [ROI], e.g. for requesting a higher resolution version of a selected region
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/816—Monomedia components thereof involving special video data, e.g 3D video
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Description
도 1은 적어도 하나의 실시예에 따른, 실감형 비디오를 스트리밍하기 위한 에코시스템의 개략도이다.
도 2는 적어도 하나의 실시예에 따른, 실감형 비디오의 뷰포트 기반 스트리밍 워크플로우의 개략도이다.
도 3은 적어도 하나의 실시예에 따른, 프레임 경계를 갖는 단편화된 실감형 비디오 비트스트림의 개략도이다.
도 4는 적어도 하나의 실시예에 따른, 프레임 경계를 갖는 실감형 비트스트림 재생 동안 뷰포트 업데이트의 개략도이다.
도 5는 적어도 하나의 실시예에 따른, 프레임 경계를 갖는 8K 및 2K 실감형 비트스트림 단편화의 개략도이다.
도 6은 적어도 하나의 실시예에 따른, 뷰포트 비트스트림 분할을 위한 시스템의 블록도이다.
도 7은 적어도 하나의 실시예에 따른, 컴퓨터 시스템의 개략도이다.
도 8은 적어도 하나의 실시예에 따른, 뷰포트 비트스트림 분할을 위한 프로그램에 의해 수행되는 단계 예시하는 작동 흐름도이다.
Claims (20)
- 프로세서에 의해 실행 가능한 뷰포트 비트스트림을 분할하는 방법으로서,
제1 해상도에서 제1 GOP(Group-of-Picture) 구조를 사용하여 제1 코딩된 비디오 비트스트림을 적어도 부분적으로 인코딩하는 단계;
제2 해상도에서 제2 GOP 구조를 사용하여 복수의 타일로 구조화된 제2 코딩된 비디오 비트스트림을 인코딩하는 단계 ― 상기 제2 GOP 구조는 상기 제1 GOP 구조보다 더 적은 코딩된 픽처를 포함함 ―;
HTTP를 통한 동적 적응 스트리밍(Dynamic Adaptive Streaming over HTTP, DASH)을 통해, 상기 제1 코딩된 비디오 비트스트림의 적어도 하나의 제1 세그먼트 및 상기 제2 코딩된 비디오 비트스트림의 복수의 제2 세그먼트들을 전달하기 위해 제공하는 단계 ― 상기 제2 세그먼트들 중 하나는 상기 제2 코딩된 비디오 비트스트림의 적어도 하나의 타일을 포함하지만 상기 제2 코딩된 비디오 비트스트림 전체에 포함되는 타일보다 적은 타일을 포함하고, 상기 제2 세그먼트의 세그먼트 크기는 단말 사용자의 뷰포트의 변화가 느린지 빠른지에 따라 가변적임 ―; 및
상기 제1 코딩된 비디오 비트스트림 및 상기 제2 코딩된 비디오 비트스트림을 사용하여 디코딩하거나 또는 렌더링하기 위한 스트리밍 비트스트림을 생성하는 단계
를 포함하는 뷰포트 비트스트림을 분할하는 방법. - 제1항에 있어서,
상기 제2 코딩된 비디오 비트스트림은 상기 제1 코딩된 비디오 비트스트림보다 더 짧은 세그먼트 크기를 갖는,
뷰포트 비트스트림을 분할하는 방법. - 제2항에 있어서,
상기 제2 코딩된 비디오 비트스트림은 사용자의 시계(field of view, FoV)와 연관되는,
뷰포트 비트스트림을 분할하는 방법. - 제3항에 있어서,
상기 사용자의 FoV의 느린 변화 또는 불충분한 네트워크 대역폭에 응답하여 타깃 비트레이트에 맞는 실제 비트레이트로 상기 제1 코딩된 비디오 비트스트림을 전송하는 단계
를 더 포함하는, 뷰포트 비트스트림을 분할하는 방법. - 제3항에 있어서,
상기 사용자의 FoV의 빠른 변화에 응답하여 상기 제2 코딩된 비디오 비트스트림을 전송하는 단계
를 더 포함하는, 뷰포트 비트스트림을 분할하는 방법. - 제1항에 있어서,
상기 제2 코딩된 비디오 비트스트림의 제2 픽처는 상기 제1 코딩된 비디오 비트스트림의 제1 픽처의 일부 또는 전체 영역을 커버하고,
상기 비트스트림을 분할하는 방법은,
상기 제1 픽처를 업샘플링하는 단계; 및
전송되어 디코더에서 디코딩된 상기 제1 코딩된 비디오 비트스트림 및 상기 제2 코딩된 비디오 스트림에 응답하여 상기 제1 픽처를 상기 제2 픽처와 블렌딩하는 단계
를 더 포함하는,
뷰포트 비트스트림을 분할하는 방법. - 제6항에 있어서,
상기 제1 픽처를 상기 제2 픽처와 블렌딩하는 단계는,
상기 제1 픽처의 일부 또는 전체 영역을 상기 제2 픽처에 의해 대체하거나 또는 평균화하는 단계
를 더 포함하는, 뷰포트 비트스트림을 분할하는 방법. - 뷰포트 비트스트림을 분할하기 위한 컴퓨터 시스템으로서,
컴퓨터 프로그램 코드를 저장하도록 구성된 하나 이상의 컴퓨터 판독 가능 비일시적 저장 매체; 및
상기 컴퓨터 프로그램 코드에 액세스하고 제1항 내지 제7항 중 어느 하나의 항에 따른 방법을 수행하도록 상기 컴퓨터 프로그램 코드에 의해 지시된 대로 작동하도록 구성된 하나 이상의 컴퓨터 프로세서
를 포함하는, 컴퓨터 시스템. - 뷰포트 비트스트림을 분할하기 위한 컴퓨터 프로그램을 저장한 비일시적 컴퓨터 판독 가능 매체로서,
상기 컴퓨터 프로그램은 하나 이상의 컴퓨터 프로세서로 하여금 제1항 내지 제7항 중 어느 하나의 항에 따른 방법을 수행하게 하도록 구성되는,
비일시적 컴퓨터 판독 가능 매체. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063030856P | 2020-05-27 | 2020-05-27 | |
| US63/030,856 | 2020-05-27 | ||
| US17/314,296 | 2021-05-07 | ||
| US17/314,296 US11503289B2 (en) | 2020-05-27 | 2021-05-07 | Bitstream structure for viewport-based streaming with a fallback bitstream |
| PCT/US2021/034045 WO2021242747A1 (en) | 2020-05-27 | 2021-05-25 | Bitstream structure for viewport-based streaming with a fallback bitstream |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20220062060A KR20220062060A (ko) | 2022-05-13 |
| KR102815305B1 true KR102815305B1 (ko) | 2025-06-02 |
Family
ID=78704449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227011891A Active KR102815305B1 (ko) | 2020-05-27 | 2021-05-25 | 폴백 비트스트림을 사용한 뷰포트 기반 스트리밍을 위한 비트스트림 구조 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11503289B2 (ko) |
| EP (1) | EP4014327A4 (ko) |
| JP (1) | JP7516513B2 (ko) |
| KR (1) | KR102815305B1 (ko) |
| CN (1) | CN114747151A (ko) |
| WO (1) | WO2021242747A1 (ko) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018146376A1 (en) * | 2017-02-13 | 2018-08-16 | Nokia Technologies Oy | An apparatus, a method and a computer program for video coding and decoding |
| JP2019526178A (ja) | 2016-05-25 | 2019-09-12 | コニンクリーケ・ケイピーエヌ・ナムローゼ・フェンノートシャップ | 空間的にタイリングされた全方位ビデオのストリーミング |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5155449B2 (ja) * | 2008-07-26 | 2013-03-06 | トムソン ライセンシング | スケーラブルビデオコーディング(svc)を使用する高速チャネル変更アプリケーションのためのリアルタイムトランスポートプロトコル(rtp)パケット化方法 |
| US9712837B2 (en) | 2014-03-17 | 2017-07-18 | Qualcomm Incorporated | Level definitions for multi-layer video codecs |
| US10289092B2 (en) * | 2016-01-14 | 2019-05-14 | Hamilton Sundstrand Space Systems International Inc. | Digital motor controller stability analysis tool |
| US9992502B2 (en) * | 2016-01-29 | 2018-06-05 | Gopro, Inc. | Apparatus and methods for video compression using multi-resolution scalable coding |
| WO2017203098A1 (en) | 2016-05-24 | 2017-11-30 | Nokia Technologies Oy | Method and an apparatus and a computer program for encoding media content |
| CN109511284B (zh) * | 2016-05-26 | 2023-09-01 | Vid拓展公司 | 视窗自适应360度视频传送的方法和设备 |
| US10917564B2 (en) * | 2016-10-12 | 2021-02-09 | Qualcomm Incorporated | Systems and methods of generating and processing files for partial decoding and most interested regions |
| WO2018193330A1 (en) * | 2017-04-20 | 2018-10-25 | Nokia Technologies Oy | Method and apparatus for delivery of streamed panoramic images |
| MX2019014416A (es) * | 2017-06-02 | 2020-02-05 | Vid Scale Inc | Suministro de video en 360 grados a través de la red de próxima generación. |
| US10757389B2 (en) * | 2018-10-01 | 2020-08-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Client optimization for providing quality control in 360° immersive video during pause |
-
2021
- 2021-05-07 US US17/314,296 patent/US11503289B2/en active Active
- 2021-05-25 EP EP21812273.7A patent/EP4014327A4/en active Pending
- 2021-05-25 KR KR1020227011891A patent/KR102815305B1/ko active Active
- 2021-05-25 WO PCT/US2021/034045 patent/WO2021242747A1/en not_active Ceased
- 2021-05-25 CN CN202180005626.XA patent/CN114747151A/zh active Pending
- 2021-05-25 JP JP2022526796A patent/JP7516513B2/ja active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019526178A (ja) | 2016-05-25 | 2019-09-12 | コニンクリーケ・ケイピーエヌ・ナムローゼ・フェンノートシャップ | 空間的にタイリングされた全方位ビデオのストリーミング |
| WO2018146376A1 (en) * | 2017-02-13 | 2018-08-16 | Nokia Technologies Oy | An apparatus, a method and a computer program for video coding and decoding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114747151A (zh) | 2022-07-12 |
| EP4014327A4 (en) | 2022-08-31 |
| JP7516513B2 (ja) | 2024-07-16 |
| US20210377527A1 (en) | 2021-12-02 |
| WO2021242747A1 (en) | 2021-12-02 |
| KR20220062060A (ko) | 2022-05-13 |
| US11503289B2 (en) | 2022-11-15 |
| JP2023501484A (ja) | 2023-01-18 |
| EP4014327A1 (en) | 2022-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111355954B (zh) | 为视频播放器装置处理视频数据 | |
| KR102027410B1 (ko) | 계층화된 신호 품질 계층에서의 재구성 데이터의 송신 | |
| JP7373581B2 (ja) | メディアコンテンツにおけるレイトバインディングのための方法および装置 | |
| WO2019202207A1 (en) | Processing video patches for three-dimensional content | |
| JP6672327B2 (ja) | ユーザヘッドセットへの球状ビデオ帯域幅を減少させる方法および装置 | |
| CN112153391B (zh) | 视频编码的方法、装置、电子设备及存储介质 | |
| CN113766235B (zh) | 一种全景视频传输方法及设备 | |
| KR102566276B1 (ko) | 원격 단말을 위한 몰입형 원격 회의 및 텔레프레즌스를 위한 오버레이 처리용 파라미터 | |
| JP7701123B2 (ja) | 遠隔端末用の没入型テレビ会議及びテレプレゼンスのためのビットストリーム構造 | |
| JP2023171661A (ja) | タイルベースの没入型ビデオをエンコードするためのエンコーダおよび方法 | |
| KR102220091B1 (ko) | 시선 기반의 360도 영상 스트리밍 | |
| KR102815305B1 (ko) | 폴백 비트스트림을 사용한 뷰포트 기반 스트리밍을 위한 비트스트림 구조 | |
| Rossi et al. | Streaming and user behavior in omnidirectional videos | |
| JP7789075B2 (ja) | Mpd連鎖を使用して2つ以上の非線形メディアソースから線形メディアソース拡張(mse)バッファを構築するための方法、装置及びプログラム | |
| HK40070680A (en) | Bitstream structure with fallback bitstream for viewport-based streaming | |
| HK40075914A (en) | Method and apparatus for encoding viewport bitstreams | |
| US20240129537A1 (en) | Method and apparatus for signaling cmaf switching sets in isobmff | |
| KR20230086792A (ko) | 미디어 스트리밍 및 재생 동안 프리롤 및 미드롤을 지원하기 위한 방법 및 장치 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0105 | International application |
Patent event date: 20220411 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20220411 Comment text: Request for Examination of Application |
|
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20240829 Patent event code: PE09021S01D |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20250430 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20250527 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 20250528 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration |