GB2539462B - Obtaining media data and metadata from encapsulated bit-streams wherein operating point descriptors can be dynamically set - Google Patents

Obtaining media data and metadata from encapsulated bit-streams wherein operating point descriptors can be dynamically set

Info

Publication number
GB2539462B
GB2539462B GB1510610.7A GB201510610A GB2539462B GB 2539462 B GB2539462 B GB 2539462B GB 201510610 A GB201510610 A GB 201510610A GB 2539462 B GB2539462 B GB 2539462B
Authority
GB
United Kingdom
Prior art keywords
metadata
streams
media data
operating point
dynamically set
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
Application number
GB1510610.7A
Other languages
English (en)
Other versions
GB2539462A (en
GB201510610D0 (en
Inventor
Denoual Franck
Maze Frédéric
Ouedraogo Naël
Concolato Cyril
Le Feuvre Jean
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to GB1510610.7A priority Critical patent/GB2539462B/en
Publication of GB201510610D0 publication Critical patent/GB201510610D0/en
Priority to US15/736,265 priority patent/US10575004B2/en
Priority to JP2017564383A priority patent/JP6743059B2/ja
Priority to EP16727510.6A priority patent/EP3311574B1/en
Priority to KR1020187000559A priority patent/KR102037009B1/ko
Priority to PCT/EP2016/062926 priority patent/WO2016202648A1/en
Priority to CN201680035779.8A priority patent/CN107750461B/zh
Publication of GB2539462A publication Critical patent/GB2539462A/en
Application granted granted Critical
Publication of GB2539462B publication Critical patent/GB2539462B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/70—Media network packetisation
    • 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
    • H04N19/134—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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/36—Scalability techniques involving formatting the layers as a function of picture distortion after decoding, e.g. signal-to-noise [SNR] scalability
    • 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
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N21/23424—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • 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
    • 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB1510610.7A 2015-06-16 2015-06-16 Obtaining media data and metadata from encapsulated bit-streams wherein operating point descriptors can be dynamically set Active GB2539462B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB1510610.7A GB2539462B (en) 2015-06-16 2015-06-16 Obtaining media data and metadata from encapsulated bit-streams wherein operating point descriptors can be dynamically set
US15/736,265 US10575004B2 (en) 2015-06-16 2016-06-07 Method, device, and computer program for obtaining media data and metadata from encapsulated bit-streams wherein operating point descriptors can be dynamically set
JP2017564383A JP6743059B2 (ja) 2015-06-16 2016-06-07 カプセル化されたビットストリームからメディアデータ及びメタデータを取得するための、動作基点ディスクリプタを動的に設置可能な方法、デバイス及びコンピュータプログラム
EP16727510.6A EP3311574B1 (en) 2015-06-16 2016-06-07 Method, device, and computer program for obtaining media data and metadata from encapsulated bit-streams wherein operating point descriptors can be dynamically set
KR1020187000559A KR102037009B1 (ko) 2015-06-16 2016-06-07 동작 포인트 디스크립터가 동적으로 설정될 수 있는 캡슐화된 비트-스트림으로부터 미디어 데이터 및 메타데이터를 획득하는 방법, 디바이스, 및 컴퓨터 프로그램
PCT/EP2016/062926 WO2016202648A1 (en) 2015-06-16 2016-06-07 Method, device, and computer program for obtaining media data and metadata from encapsulated bit-streams wherein operating point descriptors can be dynamically set
CN201680035779.8A CN107750461B (zh) 2015-06-16 2016-06-07 生成描述数据以及获得媒体数据和元数据的方法和装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1510610.7A GB2539462B (en) 2015-06-16 2015-06-16 Obtaining media data and metadata from encapsulated bit-streams wherein operating point descriptors can be dynamically set

Publications (3)

Publication Number Publication Date
GB201510610D0 GB201510610D0 (en) 2015-07-29
GB2539462A GB2539462A (en) 2016-12-21
GB2539462B true GB2539462B (en) 2019-04-03

Family

ID=53784857

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1510610.7A Active GB2539462B (en) 2015-06-16 2015-06-16 Obtaining media data and metadata from encapsulated bit-streams wherein operating point descriptors can be dynamically set

Country Status (7)

Country Link
US (1) US10575004B2 (enExample)
EP (1) EP3311574B1 (enExample)
JP (1) JP6743059B2 (enExample)
KR (1) KR102037009B1 (enExample)
CN (1) CN107750461B (enExample)
GB (1) GB2539462B (enExample)
WO (1) WO2016202648A1 (enExample)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10148969B2 (en) * 2015-02-11 2018-12-04 Qualcomm Incorporated Of sample entry and operation point signalling in a layered video file format
GB2550604A (en) 2016-05-24 2017-11-29 Canon Kk Method, device, and computer program for encapsulating and parsing timed media data
US10602239B2 (en) * 2017-03-23 2020-03-24 Mediatek Inc. Method and apparatus for track composition
GB2560921B (en) * 2017-03-27 2020-04-08 Canon Kk Method and apparatus for encoding media data comprising generated content
GB2575074B (en) 2018-06-27 2022-09-28 Canon Kk Encapsulating video content with an indication of whether a group of tracks collectively represents a full frame or a part of a frame
CN110876084B (zh) * 2018-08-29 2021-01-01 浙江大学 处理和传输媒体数据的方法和装置
US11183220B2 (en) * 2018-10-03 2021-11-23 Mediatek Singapore Pte. Ltd. Methods and apparatus for temporal track derivations
GB2579389B (en) * 2018-11-29 2022-07-27 Canon Kk Method, device and computer program for encapsulating media data into a media file
US11205456B2 (en) 2019-01-09 2021-12-21 Mediatek Singapore Pte. Ltd. Methods and apparatus for using edit operations to perform temporal track derivations
US20220159261A1 (en) * 2019-03-21 2022-05-19 Lg Electronics Inc. Point cloud data transmission device, point cloud data transmission method, point cloud data reception device, and point cloud data reception method
BR112021025875A2 (pt) 2019-06-20 2022-03-03 Nokia Technologies Oy Um aparelho, um método e um programa de computador para codificação e decodificação de vídeo
US12022084B2 (en) * 2019-06-21 2024-06-25 Telefonaktiebolaget Lm Ericsson (Publ) Video coding layer up-switching indication
CN110430462B (zh) * 2019-08-02 2021-08-31 福州大学 基于uhd解码器的快速自动设置方法
US11109069B2 (en) * 2019-09-20 2021-08-31 Tencent America LLC Signaling of scalability parameters in video bitstream
MX2022010699A (es) * 2020-02-28 2022-11-10 Huawei Tech Co Ltd Un decodificador y métodos correspondientes para informacion de particionamiento de imagenes de señales para segmentos.
CN116057932A (zh) 2020-06-06 2023-05-02 Lg电子株式会社 基于层信息信令的图像编码设备和方法
WO2021246840A1 (ko) 2020-06-06 2021-12-09 엘지전자 주식회사 스케일러빌리티를 위한 서브-비트스트림 추출 기반 영상 코딩 장치 및 방법
GB2597642B (en) * 2020-06-16 2023-08-02 Canon Kk Method, device, and computer program for encapsulating media data into a media file
US12389042B2 (en) 2020-09-02 2025-08-12 Lemon Inc. Pictures and layers included in a VVC image item
US11671627B2 (en) 2020-09-17 2023-06-06 Lemon Inc. Operating point entity group signaling in coded video
US11930295B2 (en) * 2020-09-17 2024-03-12 Lemon Inc. Handling of non-VCL NAL units in picture unit construction
JP7270012B2 (ja) 2020-09-17 2023-05-09 レモン インコーポレイテッド 映像動作点レコード構文及びセマンティクス
WO2022071742A1 (ko) * 2020-09-29 2022-04-07 엘지전자 주식회사 미디어 파일을 생성하는 방법 및 장치
GB2599171B (en) 2020-09-29 2024-12-11 Canon Kk Method and apparatus for encapsulating video data into a file
US20230319374A1 (en) * 2020-12-15 2023-10-05 Lg Electronics Inc. Method and device for creating/receiving media file containing layer information, and media file transfer method
WO2022139261A1 (ko) * 2020-12-21 2022-06-30 엘지전자 주식회사 미디어 파일 처리 방법 및 장치
US12439088B2 (en) * 2020-12-21 2025-10-07 Lg Electronics Inc. Method and apparatus for generating and processing media file
CN119013988A (zh) * 2022-04-14 2024-11-22 Lg电子株式会社 点云数据的发送装置和在同一发送装置中执行的方法以及点云数据的接收装置和在同一接收装置中执行的方法
US20250259333A1 (en) * 2022-04-14 2025-08-14 Lg Electronics Inc. Transmission device for point cloud data, method performed by transmission device, reception device for point cloud data, and method performed by reception device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150341649A1 (en) * 2014-05-21 2015-11-26 Arris Enterprises, Inc. Signaling and Selection for the Enhancement of Layers in Scalable Video

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003237120B2 (en) * 2002-04-29 2008-10-09 Sony Electronics, Inc. Supporting advanced coding formats in media files
US8948241B2 (en) * 2009-08-07 2015-02-03 Qualcomm Incorporated Signaling characteristics of an MVC operation point
KR101887548B1 (ko) 2012-03-23 2018-08-10 삼성전자주식회사 증강현실 서비스를 위한 미디어 파일의 처리 방법 및 장치
US9161004B2 (en) * 2012-04-25 2015-10-13 Qualcomm Incorporated Identifying parameter sets in video files
US20140003504A1 (en) * 2012-07-02 2014-01-02 Nokia Corporation Apparatus, a Method and a Computer Program for Video Coding and Decoding
GB2516826B (en) * 2013-07-23 2016-06-22 Canon Kk Method, device and computer program for encapsulating partitioned timed media data by creating tracks to be independently encapsulated in at least one media f
GB2516825B (en) 2013-07-23 2015-11-25 Canon Kk Method, device, and computer program for encapsulating partitioned timed media data using a generic signaling for coding dependencies
GB2542282B (en) * 2013-10-22 2018-08-01 Canon Kk Method, device, and computer program for encapsulating partitioned timed media data in a server
GB2527786B (en) * 2014-07-01 2016-10-26 Canon Kk Method, device, and computer program for encapsulating HEVC layered media data

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150341649A1 (en) * 2014-05-21 2015-11-26 Arris Enterprises, Inc. Signaling and Selection for the Enhancement of Layers in Scalable Video

Also Published As

Publication number Publication date
US10575004B2 (en) 2020-02-25
WO2016202648A1 (en) 2016-12-22
GB2539462A (en) 2016-12-21
EP3311574A1 (en) 2018-04-25
KR102037009B1 (ko) 2019-10-25
JP6743059B2 (ja) 2020-08-19
GB201510610D0 (en) 2015-07-29
JP2018524877A (ja) 2018-08-30
KR20180018662A (ko) 2018-02-21
US20180184098A1 (en) 2018-06-28
EP3311574B1 (en) 2022-03-09
CN107750461A (zh) 2018-03-02
CN107750461B (zh) 2020-10-30

Similar Documents

Publication Publication Date Title
GB2539462B (en) Obtaining media data and metadata from encapsulated bit-streams wherein operating point descriptors can be dynamically set
EP3205111A4 (en) Video editing using contextual data and content discovery using clusters
EP3142506A4 (en) Electronic smoking device and data exchange applications
EP3093754A4 (en) Split-screen processing method and device, and computer storage medium
GB2533624B (en) Methods, devices, and computer programs for improving coding of media presentation description data
GB2527786B (en) Method, device, and computer program for encapsulating HEVC layered media data
GB201805125D0 (en) Media content matching and indexing
SG11201701066XA (en) Data retrieval apparatus, program and recording medium
EP3229126A4 (en) Data reading method and device
GB201701458D0 (en) Puf and address dependent data encryption
GB201621870D0 (en) Systems and techniques for predecitive data analytics
EP3149598A4 (en) Data processing method and electronic device thereof
EP3197095A4 (en) Computer device and configuration management method thereof
EP3089068A4 (en) METHOD, DEVICE, TERMINAL AND MEDIUM FOR APPLICATION PROGRAM MANAGEMENT INFORMATION
EP3148088A4 (en) Data-processing device and data processing method
EP3148091A4 (en) Data-processing device and data processing method
EP2879080A3 (en) Image processing device and method, and computer readable medium
EP2840576A4 (en) HARD DISK AND DATA PROCESSING METHOD
EP3141986A3 (en) Digital device and method of processing data the same
EP3226189A4 (en) Wearable device and data interaction method based on same
EP3062523A4 (en) Display processing device, distribution device, and metadata
EP3148084A4 (en) Data-processing device and data processing method
EP3148087A4 (en) Data-processing device and data processing method
EP3249550A4 (en) Data querying method and device
EP3008634A4 (en) IDENTIFICATION AND STRUCTURING OF RELATED DATA

Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: CANON KABUSHIKI KAISHA

Free format text: FORMER OWNERS: CANON KABUSHIKI KAISHA;TELECOM PARIS TECH