CN114666589A - 修改后视频的编码 - Google Patents

修改后视频的编码 Download PDF

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Publication number
CN114666589A
CN114666589A CN202111551373.4A CN202111551373A CN114666589A CN 114666589 A CN114666589 A CN 114666589A CN 202111551373 A CN202111551373 A CN 202111551373A CN 114666589 A CN114666589 A CN 114666589A
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CN
China
Prior art keywords
image frames
encoded image
source
key
input image
Prior art date
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Pending
Application number
CN202111551373.4A
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English (en)
Chinese (zh)
Inventor
袁嵩
维克托·埃德帕尔姆
拉尔斯·布兰森
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Axis AB
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Axis AB
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Publication date
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Publication of CN114666589A publication Critical patent/CN114666589A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
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    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
    • H04N19/136—Incoming video signal characteristics or properties
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    • H04N19/46—Embedding additional information in the video signal during the compression process
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    • 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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/172—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 an image region, e.g. an object the region being a picture, frame or field
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    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
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    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H—ELECTRICITY
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    • 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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
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    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H—ELECTRICITY
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    • H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
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    • 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
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • H04N21/2351—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving encryption of additional data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/254—Management at additional data server, e.g. shopping server, rights management server
    • H04N21/2541—Rights Management
    • H—ELECTRICITY
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    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2665—Gathering content from different sources, e.g. Internet and satellite
    • 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
    • H04N21/4353—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving decryption of additional data
    • H—ELECTRICITY
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    • 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
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    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management e.g. creating a master electronic programme guide from data received from the Internet and a Head-end or controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • H—ELECTRICITY
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    • 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
    • H04N21/835—Generation of protective data, e.g. certificates
    • H—ELECTRICITY
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    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
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    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
    • H04N5/9262—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction using predictive coding

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Astronomy & Astrophysics (AREA)
  • Technology Law (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
CN202111551373.4A 2020-12-23 2021-12-17 修改后视频的编码 Pending CN114666589A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20216915.7 2020-12-23
EP20216915.7A EP4020998A1 (en) 2020-12-23 2020-12-23 Encoding of modified video

Publications (1)

Publication Number Publication Date
CN114666589A true CN114666589A (zh) 2022-06-24

Family

ID=73857052

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111551373.4A Pending CN114666589A (zh) 2020-12-23 2021-12-17 修改后视频的编码

Country Status (6)

Country Link
US (1) US12010320B2 (https=)
EP (1) EP4020998A1 (https=)
JP (1) JP7641215B2 (https=)
KR (1) KR20220091371A (https=)
CN (1) CN114666589A (https=)
TW (1) TWI874738B (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11790694B1 (en) * 2021-02-17 2023-10-17 Bank Of America Corporation Video player for secured video stream
EP4270940B1 (en) * 2022-04-26 2024-10-30 Axis AB Ptz masking control
US20240004968A1 (en) * 2022-06-30 2024-01-04 Bank Of America Corporation Audio and/or Physical Electronic Privacy System
EP4407981B1 (en) * 2023-01-30 2025-04-16 Axis AB A transmitter, a receiver and methods therein for validation of a video sequence
US12500997B2 (en) 2024-01-31 2025-12-16 Livearena Technologies Ab Method and device for producing a video stream
EP4622261A1 (en) * 2024-03-21 2025-09-24 Axis AB Method for signing an encoded video stream using a plurality of devices, and a corresponding authentication method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9532001B2 (en) 2008-07-10 2016-12-27 Avaya Inc. Systems, methods, and media for providing selectable video using scalable video coding
BR112015017048B1 (pt) * 2013-01-21 2022-12-13 Dolby International Ab Dispositivo de codificação, método para gerar um fluxo de bits codificado, método para determinar um nível de confiança de um fluxo de bits codificado recebido, método para transcodificar um fluxo de bits de entrada
WO2016180486A1 (en) 2015-05-12 2016-11-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Composite scalable video streaming
US10297126B2 (en) * 2015-09-16 2019-05-21 Sensormatic Electronics, LLC Privacy masking video content of alarm exceptions and mask verification
US10122781B2 (en) * 2016-01-29 2018-11-06 Roku Inc. Selection of video segments for adaptive streaming
GB2551199B (en) * 2016-06-10 2019-12-18 Advanced Risc Mach Ltd Video data processing system
US10652594B2 (en) * 2016-07-07 2020-05-12 Time Warner Cable Enterprises Llc Apparatus and methods for presentation of key frames in encrypted content
EP3591972A1 (en) 2018-07-02 2020-01-08 Axis AB Method and system for encoding video with overlay
EP3672244B1 (en) * 2018-12-20 2020-10-28 Axis AB Methods and devices for encoding and decoding a sequence of image frames in which the privacy of an object is protected

Also Published As

Publication number Publication date
US20220201312A1 (en) 2022-06-23
JP2022100261A (ja) 2022-07-05
US12010320B2 (en) 2024-06-11
EP4020998A1 (en) 2022-06-29
JP7641215B2 (ja) 2025-03-06
TWI874738B (zh) 2025-03-01
TW202226841A (zh) 2022-07-01
KR20220091371A (ko) 2022-06-30

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