GB2506594B - Method and devices for encoding an image of pixels into a video bitstream and decoding the corresponding video bitstream - Google Patents

Method and devices for encoding an image of pixels into a video bitstream and decoding the corresponding video bitstream

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Publication number
GB2506594B
GB2506594B GB1217461.1A GB201217461A GB2506594B GB 2506594 B GB2506594 B GB 2506594B GB 201217461 A GB201217461 A GB 201217461A GB 2506594 B GB2506594 B GB 2506594B
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United Kingdom
Prior art keywords
video bitstream
decoding
pixels
encoding
image
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.)
Active
Application number
GB1217461.1A
Other versions
GB2506594A (en
GB201217461D0 (en
Inventor
Le Leannec Fabrice
Lasserre Sébastien
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to GB1217461.1A priority Critical patent/GB2506594B/en
Publication of GB201217461D0 publication Critical patent/GB201217461D0/en
Publication of GB2506594A publication Critical patent/GB2506594A/en
Application granted granted Critical
Publication of GB2506594B publication Critical patent/GB2506594B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04N19/10—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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • 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
    • H04N19/187—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 scalable video layer
    • 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
    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • 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
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
GB1217461.1A 2012-09-28 2012-09-28 Method and devices for encoding an image of pixels into a video bitstream and decoding the corresponding video bitstream Active GB2506594B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1217461.1A GB2506594B (en) 2012-09-28 2012-09-28 Method and devices for encoding an image of pixels into a video bitstream and decoding the corresponding video bitstream

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1217461.1A GB2506594B (en) 2012-09-28 2012-09-28 Method and devices for encoding an image of pixels into a video bitstream and decoding the corresponding video bitstream

Publications (3)

Publication Number Publication Date
GB201217461D0 GB201217461D0 (en) 2012-11-14
GB2506594A GB2506594A (en) 2014-04-09
GB2506594B true GB2506594B (en) 2016-08-17

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10440365B2 (en) * 2013-06-28 2019-10-08 Velos Media, Llc Methods and devices for emulating low-fidelity coding in a high-fidelity coder
CN109819253B (en) * 2017-11-21 2022-04-22 腾讯科技（深圳）有限公司 Video encoding method, video encoding device, computer equipment and storage medium
CN109889837B (en) * 2019-03-12 2022-05-27 电子科技大学 Reference fixed point calibration method for optimal Lagrange multiplier
CN113938689B (en) * 2021-12-03 2023-09-26 北京达佳互联信息技术有限公司 Quantization parameter determination method and device
CN114615496A (en) * 2022-01-28 2022-06-10 阿里巴巴（中国）有限公司 Method, device, storage medium and system for obtaining quantization parameter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011084918A1 (en) * 2010-01-06 2011-07-14 Dolby Laboratories Licensing Corporation High performance rate control for multi-layered video coding applications
GB2499865A (en) * 2012-03-02 2013-09-04 Canon Kk Method and Devices for Encoding/Decoding an Enhancement Layer Intra Image in a Scalable Video Bit-stream

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011084918A1 (en) * 2010-01-06 2011-07-14 Dolby Laboratories Licensing Corporation High performance rate control for multi-layered video coding applications
GB2499865A (en) * 2012-03-02 2013-09-04 Canon Kk Method and Devices for Encoding/Decoding an Enhancement Layer Intra Image in a Scalable Video Bit-stream
GB2499874A (en) * 2012-03-02 2013-09-04 Canon Kk Scalable video coding methods

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Li et al, "Adaptive quantization parameter cascading for hierarchical video coding", 2010 IEEE International Symposium on Circuits and Systems. ISCAS 2010, pgs. 4197 - 4200, ISBN 978-1-4244-5308-5. *
Li et al, "Model based analysis for quantization parameter cascading in hierarchical video coding", Proceedings of the 2009 16th IEEE International Conference on Image Processing (ICIP 2009), pg. 3765 - 3768, ISBN 978-1-4244-5653-6. *
Wan et al, "Efficient hierarchical inter picture coding for H.264/AVC baseline profile", 2009 Picture Coding Symposium (PCS), ISBN 978-1-4244-4593-6. *

Also Published As

Publication number Publication date
GB2506594A (en) 2014-04-09
GB201217461D0 (en) 2012-11-14

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