CN108737837B - 形成视频流的方法及图像处理单元 - Google Patents

形成视频流的方法及图像处理单元 Download PDF

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CN108737837B
CN108737837B CN201810378469.7A CN201810378469A CN108737837B CN 108737837 B CN108737837 B CN 108737837B CN 201810378469 A CN201810378469 A CN 201810378469A CN 108737837 B CN108737837 B CN 108737837B
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frame
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CN108737837A (zh
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维克托·埃德帕尔姆
比约恩·阿多
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/58Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • HELECTRICITY
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/57Motion estimation characterised by a search window with variable size or shape
    • HELECTRICITY
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    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • HELECTRICITY
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    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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 block, e.g. a macroblock
    • HELECTRICITY
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    • H04N19/169Methods 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
    • H04N19/177Methods 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]
    • HELECTRICITY
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/527Global motion vector estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/68Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/681Motion detection
    • H04N23/6812Motion detection based on additional sensors, e.g. acceleration sensors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/68Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/681Motion detection
    • H04N23/6815Motion detection by distinguishing pan or tilt from motion
    • HELECTRICITY
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/172Methods 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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  • Engineering & Computer Science (AREA)
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  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN201810378469.7A 2017-04-25 2018-04-25 形成视频流的方法及图像处理单元 Active CN108737837B (zh)

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EP17167949.1A EP3396952B1 (en) 2017-04-25 2017-04-25 Method and image processing unit for forming a video stream

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US20180302455A1 (en) * 2017-04-18 2018-10-18 Facebook, Inc. Systems and methods for adjusting video transmission bitrates
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
US10412391B1 (en) * 2018-08-06 2019-09-10 AnyClip Ltd. Minimize number of encoded video stream frames for content recognition
US10855988B2 (en) * 2018-12-19 2020-12-01 Qualcomm Incorporated Adaptive prediction structures
EP3713235B1 (en) * 2019-03-19 2023-08-02 Axis AB Methods and devices for encoding a video stream using a first and a second encoder
EP3948856A4 (en) 2019-03-25 2022-03-30 Razer (Asia-Pacific) Pte. Ltd. METHOD AND APPARATUS FOR USING AN INCREMENTAL SEARCH SEQUENCE IN AUDIO FAULT CONCEALING
JP7423196B2 (ja) * 2019-05-09 2024-01-29 キヤノン株式会社 撮像装置、撮像システム、およびその制御方法
EP3745706B1 (en) * 2019-05-29 2021-06-30 Axis AB System and method for video processing with picture stabilization and predictive compression
JP7565606B2 (ja) * 2019-07-10 2024-10-11 サターン ライセンシング エルエルシー 画像処理装置および画像処理方法
EP3796652B1 (en) * 2019-09-23 2022-05-18 Axis AB Video encoding method and method for reducing file size of encoded video
EP3833028B1 (en) 2019-12-03 2022-02-09 Axis AB Method and system for calculating a cost of encoding a motion vector
US11645766B2 (en) * 2020-05-04 2023-05-09 International Business Machines Corporation Dynamic sampling for object recognition
JP7508995B2 (ja) * 2020-10-30 2024-07-02 株式会社リコー 表示入力装置及びプログラム
CN112104871B (zh) 2020-11-13 2021-03-02 腾讯科技(深圳)有限公司 一种数据编码方法、装置以及计算机可读存储介质
EP4443874A1 (en) * 2023-04-03 2024-10-09 Axis AB Encoding of video stream during changing camera field-of-view

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US6020931A (en) * 1996-04-25 2000-02-01 George S. Sheng Video composition and position system and media signal communication system
US6731813B1 (en) 1999-10-07 2004-05-04 World Multicast.Com, Inc. Self adapting frame intervals
KR20050078099A (ko) * 2004-01-30 2005-08-04 삼성전자주식회사 적응적으로 키 프레임을 삽입하는 비디오 코딩 장치 및 방법
JP4687404B2 (ja) 2005-11-10 2011-05-25 ソニー株式会社 画像信号処理装置、撮像装置、および画像信号処理方法
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EP3396952A1 (en) 2018-10-31
CN108737837A (zh) 2018-11-02
US20180310022A1 (en) 2018-10-25
EP3396952B1 (en) 2019-04-17
US11102508B2 (en) 2021-08-24
JP7011506B2 (ja) 2022-01-26
JP2018201189A (ja) 2018-12-20

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