JP7018347B2 - ビデオエンコーダの出力ビットレートを制御するための方法及びレートコントローラ - Google Patents

ビデオエンコーダの出力ビットレートを制御するための方法及びレートコントローラ Download PDF

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JP7018347B2
JP7018347B2 JP2018071999A JP2018071999A JP7018347B2 JP 7018347 B2 JP7018347 B2 JP 7018347B2 JP 2018071999 A JP2018071999 A JP 2018071999A JP 2018071999 A JP2018071999 A JP 2018071999A JP 7018347 B2 JP7018347 B2 JP 7018347B2
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bit rate
output
acceptable
bit
period
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JP2018201191A (ja
JP2018201191A5 (enExample
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ヴィクトル エドパルム，
アレクサンデル トーレソン，
アレクサンドル マルティンス，
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アクシス アーベー
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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
    • H04N19/50—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
    • H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • 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
    • H04N19/114—Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/179—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 scene or a shot
    • 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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
JP2018071999A 2017-04-24 2018-04-04 ビデオエンコーダの出力ビットレートを制御するための方法及びレートコントローラ Active JP7018347B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17167732.1A EP3396961A1 (en) 2017-04-24 2017-04-24 Method and rate controller for controlling output bitrate of a video encoder
EP17167732.1 2017-04-24

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JP2018201191A JP2018201191A (ja) 2018-12-20
JP2018201191A5 JP2018201191A5 (enExample) 2021-05-20
JP7018347B2 true JP7018347B2 (ja) 2022-02-10

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US (1) US10574996B2 (enExample)
EP (1) EP3396961A1 (enExample)
JP (1) JP7018347B2 (enExample)
KR (1) KR20180119102A (enExample)
CN (1) CN108737827B (enExample)
TW (1) TWI806860B (enExample)

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US10880354B2 (en) 2018-11-28 2020-12-29 Netflix, Inc. Techniques for encoding a media title while constraining quality variations
EP3672231B1 (en) * 2018-12-21 2021-05-26 Axis AB Adaptive storage between multiple cameras in a video recording system
EP3742728B1 (en) 2019-05-24 2022-09-21 Axis AB A method and bitrate controller for controlling output bitrate of a video encoder
EP3883234B1 (en) 2020-03-17 2022-02-02 Axis AB Wearable camera and a method for power consumption optimization in the wearable camera
CN113810685A (zh) * 2021-09-13 2021-12-17 杭州海康威视数字技术股份有限公司 视频数据的编码方法、装置、设备、存储介质及程序产品
US12301829B2 (en) * 2022-05-31 2025-05-13 Microsoft Technology Licensing, Llc Video encoding using deviation-adjusted bitrate parameter
US20250317534A1 (en) * 2024-04-09 2025-10-09 Genetec Inc. Storage management for a video surveillance system

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Also Published As

Publication number Publication date
KR20180119102A (ko) 2018-11-01
TWI806860B (zh) 2023-07-01
EP3396961A1 (en) 2018-10-31
TW201904286A (zh) 2019-01-16
US20180309998A1 (en) 2018-10-25
JP2018201191A (ja) 2018-12-20
CN108737827B (zh) 2020-12-22
CN108737827A (zh) 2018-11-02
US10574996B2 (en) 2020-02-25

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