CN118784982A - 改变相机视场期间的视频流编码 - Google Patents

改变相机视场期间的视频流编码 Download PDF

Info

Publication number
CN118784982A
CN118784982A CN202410375858.XA CN202410375858A CN118784982A CN 118784982 A CN118784982 A CN 118784982A CN 202410375858 A CN202410375858 A CN 202410375858A CN 118784982 A CN118784982 A CN 118784982A
Authority
CN
China
Prior art keywords
image
video frame
camera
frame
fov
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.)
Pending
Application number
CN202410375858.XA
Other languages
English (en)
Chinese (zh)
Inventor
维克托·埃德帕尔姆
袁嵩
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.)
Axis AB
Original Assignee
Axis AB
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 Axis AB filed Critical Axis AB
Publication of CN118784982A publication Critical patent/CN118784982A/zh
Pending legal-status Critical Current

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
    • H04N19/46—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)
CN202410375858.XA 2023-04-03 2024-03-29 改变相机视场期间的视频流编码 Pending CN118784982A (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
CN118784982A true CN118784982A (zh) 2024-10-15

Family

ID=85800724

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410375858.XA Pending CN118784982A (zh) 2023-04-03 2024-03-29 改变相机视场期间的视频流编码

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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN101242530A (zh) * 2007-02-08 2008-08-13 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
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
US20180310022A1 (en) * 2017-04-25 2018-10-25 Axis Ab Method and image processing unit for forming a video stream
CN113965754A (zh) * 2021-11-08 2022-01-21 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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN101242530A (zh) * 2007-02-08 2008-08-13 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
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
US20180310022A1 (en) * 2017-04-25 2018-10-25 Axis Ab Method and image processing unit for forming a video stream
CN113965754A (zh) * 2021-11-08 2022-01-21 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
TW202446081A (zh) 2024-11-16
US20240333948A1 (en) 2024-10-03
JP7824986B2 (ja) 2026-03-05
US12483714B2 (en) 2025-11-25
JP2024147510A (ja) 2024-10-16
EP4443874A1 (en) 2024-10-09

Similar Documents

Publication Publication Date Title
US10616592B2 (en) Method and encoder for encoding a video stream in a video coding format supporting auxiliary frames
CN100544444C (zh) 用于全景图像的运动估计和补偿的方法和设备
US9894393B2 (en) Video encoding for reduced streaming latency
US20170302719A1 (en) Methods and systems for auto-zoom based adaptive video streaming
JP5869047B2 (ja) デジタルビデオデータを符号化するための方法
US10798418B2 (en) Method and encoder for encoding a video stream in a video coding format supporting auxiliary frames
US10623735B2 (en) Method and system for layer based view optimization encoding of 360-degree video
CA3057924A1 (en) System and method to optimize the size of a video recording or video transmission by identifying and recording a region of interest in a higher definition than the rest of the image that is saved or transmitted in a lower definition format
CN113556462B (zh) 用于控制平移倾斜变焦相机的方法和系统以及存储介质
JP7824986B2 (ja) カメラ視野を変更している間のビデオストリームの符号化
US20140354771A1 (en) Efficient motion estimation for 3d stereo video encoding
US20250133226A1 (en) Video stream encoding both overview and region-of-interest(s) of a scene
CN118216148A (zh) 一种视频编码方法及其相关装置
JP6905184B2 (ja) 画像圧縮プログラム、画像圧縮装置、及び画像圧縮方法
US20250373815A1 (en) Methods and systems for enhanced image and video capture and compression
US12464141B2 (en) Video stream overlay encoding using no-display frames and motion vectors calculated based on known position-differences between frames
WO2025217773A1 (zh) 一种视频编解码方法、编码器、解码器以及存储介质
JP6942504B2 (ja) 符号化装置、撮像装置、符号化方法、及びプログラム
KR20250174654A (ko) 비디오 프레임의 딥러닝 기반 보간을 위한 방법 및 시스템

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination