TW202446081A - 改變攝影機視野期間視訊串流之編碼 - Google Patents

改變攝影機視野期間視訊串流之編碼 Download PDF

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Publication number
TW202446081A
TW202446081A TW113110932A TW113110932A TW202446081A TW 202446081 A TW202446081 A TW 202446081A TW 113110932 A TW113110932 A TW 113110932A TW 113110932 A TW113110932 A TW 113110932A TW 202446081 A TW202446081 A TW 202446081A
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Taiwan
Prior art keywords
video frame
image
video
frame
additional
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TW113110932A
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English (en)
Chinese (zh)
Inventor
維克多 艾德帕姆
嵩 袁
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瑞典商安訊士有限公司
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Publication of TW202446081A publication Critical patent/TW202446081A/zh

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    • 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
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
    • 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
    • H04N19/105—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
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/184—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
    • H04N19/50—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
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Studio Devices (AREA)
TW113110932A 2023-04-03 2024-03-25 改變攝影機視野期間視訊串流之編碼 TW202446081A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23166331.1A EP4443874A1 (en) 2023-04-03 2023-04-03 Encoding of video stream during changing camera field-of-view
EP23166331.1 2023-04-03

Publications (1)

Publication Number Publication Date
TW202446081A true TW202446081A (zh) 2024-11-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
TW113110932A TW202446081A (zh) 2023-04-03 2024-03-25 改變攝影機視野期間視訊串流之編碼

Country Status (6)

Country Link
US (1) US12483714B2 (https=)
EP (1) EP4443874A1 (https=)
JP (1) JP7824986B2 (https=)
KR (1) KR20240148259A (https=)
CN (1) CN118784982A (https=)
TW (1) TW202446081A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250111541A1 (en) * 2023-09-28 2025-04-03 Apple Inc. Compressed Video Streaming for Multi-Camera Systems

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JP2006215657A (ja) * 2005-02-01 2006-08-17 Sharp Corp 動きベクトル検出方法、動きベクトル検出装置、動きベクトル検出プログラム及びプログラム記録媒体
JP2007019819A (ja) * 2005-07-07 2007-01-25 Matsushita Electric Ind Co Ltd 監視システム及び監視システムの画像圧縮，伸張方法
CN101242530B (zh) * 2007-02-08 2011-06-01 华为技术有限公司 运动估计方法、基于运动估计的多视编解码方法及装置
JP2008211508A (ja) 2007-02-26 2008-09-11 Canon Inc 動きベクトル探索装置、動きベクトル探索方法、動きベクトル探索プログラム、及びコンピュータ読み取り可能な記録媒体
WO2012008117A1 (ja) * 2010-07-15 2012-01-19 パナソニック株式会社 画像符号化装置及びカメラ
US20120075436A1 (en) * 2010-09-24 2012-03-29 Qualcomm Incorporated Coding stereo video data
CN105052144B (zh) 2013-03-12 2019-01-01 寰发股份有限公司 用于可伸缩视频编码的层间预测方法
JP6114990B2 (ja) 2013-03-27 2017-04-19 株式会社メガチップス 動画像符号化処理装置、プログラムおよび集積回路
US9654794B2 (en) * 2014-01-03 2017-05-16 Qualcomm Incorporated Methods for coding an inter-layer reference picture set (RPS) and coding end of bitstream (EOB) network access layer (NAL) units in multi-layer coding
US10051281B2 (en) 2014-05-22 2018-08-14 Apple Inc. Video coding system with efficient processing of zooming transitions in video
WO2018164930A1 (en) 2017-03-08 2018-09-13 Vid Scale, Inc. Improving motion vector accuracy by sharing cross-information between normal and zoom views
EP3396952B1 (en) * 2017-04-25 2019-04-17 Axis AB Method and image processing unit for forming a video stream
EP3474225B1 (en) 2017-10-18 2019-09-25 Axis AB Method and encoder for encoding a video stream in a video coding format supporting auxiliary frames
EP3474548A1 (en) 2017-10-18 2019-04-24 Axis AB Method and encoder for encoding a video stream in a video coding format supporting auxiliary frames
US20220417523A1 (en) * 2019-11-18 2022-12-29 Nippon Telegraph And Telephone Corporation Encoding method, encoding apparatus and program
US12323608B2 (en) * 2021-04-07 2025-06-03 Lemon Inc On neural network-based filtering for imaging/video coding
CN113965754B (zh) * 2021-11-08 2025-06-27 翱捷科技股份有限公司 一种适用于相机移动场景的运动估计方法及装置

Also Published As

Publication number Publication date
KR20240148259A (ko) 2024-10-11
US20240333948A1 (en) 2024-10-03
JP7824986B2 (ja) 2026-03-05
CN118784982A (zh) 2024-10-15
US12483714B2 (en) 2025-11-25
JP2024147510A (ja) 2024-10-16
EP4443874A1 (en) 2024-10-09

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