TW202325028A - 對經編碼視訊序列進行簽名之方法及裝置 - Google Patents

對經編碼視訊序列進行簽名之方法及裝置 Download PDF

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Publication number
TW202325028A
TW202325028A TW111140828A TW111140828A TW202325028A TW 202325028 A TW202325028 A TW 202325028A TW 111140828 A TW111140828 A TW 111140828A TW 111140828 A TW111140828 A TW 111140828A TW 202325028 A TW202325028 A TW 202325028A
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TW
Taiwan
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frame
video sequence
generated
encoded
information unit
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TW111140828A
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English (en)
Chinese (zh)
Inventor
比約恩 沃克
史蒂芬 倫得堡
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瑞典商安訊士有限公司
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Publication of TW202325028A publication Critical patent/TW202325028A/zh

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    • 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
    • H04N21/835—Generation of protective data, e.g. certificates
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23892—Multiplex stream processing, e.g. multiplex stream encrypting involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—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
    • 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
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/17—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
    • 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
    • H04N19/188—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 video data packet, e.g. a network abstraction layer [NAL] unit
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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]
    • H04N21/80—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
    • H04N21/8358—Generation of protective data, e.g. certificates involving watermark

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW111140828A 2021-12-03 2022-10-27 對經編碼視訊序列進行簽名之方法及裝置 TW202325028A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21212291.5 2021-12-03
EP21212291.5A EP4192018B1 (en) 2021-12-03 2021-12-03 Method and device for signing an encoded video sequence

Publications (1)

Publication Number Publication Date
TW202325028A true TW202325028A (zh) 2023-06-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
TW111140828A TW202325028A (zh) 2021-12-03 2022-10-27 對經編碼視訊序列進行簽名之方法及裝置

Country Status (6)

Country Link
US (1) US12445636B2 (https=)
EP (1) EP4192018B1 (https=)
JP (1) JP7789652B2 (https=)
KR (1) KR102906509B1 (https=)
CN (1) CN116233568A (https=)
TW (1) TW202325028A (https=)

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US20250097471A1 (en) * 2023-09-20 2025-03-20 Nvidia Corporation Validating bitstream compliance at runtime for multimedia streaming systems and applications
EP4564215B1 (en) 2023-11-29 2025-10-15 Axis AB Method and system for digitally signing audio and video data
CN119182974B (zh) * 2024-11-22 2025-02-21 合肥高维数据技术有限公司 一种基于边缘像素隐蔽性的视频防篡改水印方法及装置

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US6996717B2 (en) * 2001-05-24 2006-02-07 Matsushita Electric Industrial Co., Ltd. Semi-fragile watermarking system for MPEG video authentication
US7752449B1 (en) * 2006-02-22 2010-07-06 Avaya, Inc. System and method for generating a non-repudiatable record of a data stream
EP1983755A1 (en) * 2007-04-17 2008-10-22 Thomson Licensing Method to transmit video data in a data stream and associated metadata
US20080291999A1 (en) * 2007-05-24 2008-11-27 Julien Lerouge Method and apparatus for video frame marking
JP5548419B2 (ja) 2009-09-30 2014-07-16 富士通株式会社 署名生成装置、署名検証装置、署名生成方法、署名検証方法、署名生成プログラム、および署名検証プログラム
US8863165B2 (en) * 2010-11-01 2014-10-14 Gracenote, Inc. Method and system for presenting additional content at a media system
EP2568711A1 (en) 2011-09-12 2013-03-13 Thomson Licensing Methods and devices for selective format-preserving data encryption
US9258127B2 (en) 2012-07-09 2016-02-09 Cisco Technology, Inc. System and method for providing cryptographic video verification
ES2624916B1 (es) * 2016-01-15 2018-01-17 Safe Creative, S.L. Sistema para grabación y certificación de navegación web y metodo para dicho sistema
US10560506B2 (en) * 2017-07-19 2020-02-11 Netflix, Inc. Identifying previously streamed portions of a media title to avoid repetitive playback
US11122344B2 (en) * 2017-08-17 2021-09-14 Ltn Global Communications, Inc. System and method for synchronizing metadata with audiovisual content
US10404467B1 (en) * 2018-09-09 2019-09-03 Tyson York Winarski Blockchain digest augmention of media files including group-of-pictures video streams for MXF files
CN109543432A (zh) 2018-11-23 2019-03-29 济南中维世纪科技有限公司 一种视频中人脸图像加密防篡改和检索的方法
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
WO2020214899A1 (en) * 2019-04-19 2020-10-22 Beijing Dajia Internet Information Technology Co., Ltd. Supplemental enhancement information message for embedded image
CN110427762B (zh) 2019-07-23 2021-03-23 湖南匡安网络技术有限公司 一种实现电力监控系统视频安全传输的加密和解密方法
CN110401818B (zh) 2019-08-08 2020-11-13 北京珞安科技有限责任公司 一种电力视频传输的安全通信系统
WO2021183645A1 (en) 2020-03-11 2021-09-16 Bytedance Inc. Indication of digital media integrity
US12470748B2 (en) * 2020-04-03 2025-11-11 Intel Corporation Methods and apparatus to identify a video decoding error
EP3902244B1 (en) * 2020-04-23 2022-03-23 Axis AB Controlling a pan-tilt-zoom camera

Also Published As

Publication number Publication date
US12445636B2 (en) 2025-10-14
JP2023083231A (ja) 2023-06-15
JP7789652B2 (ja) 2025-12-22
KR102906509B1 (ko) 2025-12-31
EP4192018A1 (en) 2023-06-07
EP4192018C0 (en) 2025-06-11
CN116233568A (zh) 2023-06-06
US20230179787A1 (en) 2023-06-08
KR20230084055A (ko) 2023-06-12
EP4192018B1 (en) 2025-06-11

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