MX2021011337A - Muestreo ascendente modificado para tecnología de codificación de video. - Google Patents

Muestreo ascendente modificado para tecnología de codificación de video.

Info

Publication number
MX2021011337A
MX2021011337A MX2021011337A MX2021011337A MX2021011337A MX 2021011337 A MX2021011337 A MX 2021011337A MX 2021011337 A MX2021011337 A MX 2021011337A MX 2021011337 A MX2021011337 A MX 2021011337A MX 2021011337 A MX2021011337 A MX 2021011337A
Authority
MX
Mexico
Prior art keywords
output video
residuals
sampled
upsampling
modified
Prior art date
Application number
MX2021011337A
Other languages
English (en)
Spanish (es)
Inventor
Guido Meardi
Original Assignee
V Nova Int Ltd
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
Priority claimed from GBGB1903844.7A external-priority patent/GB201903844D0/en
Priority claimed from GBGB1904014.6A external-priority patent/GB201904014D0/en
Priority claimed from GBGB1904492.4A external-priority patent/GB201904492D0/en
Priority claimed from GBGB1905325.5A external-priority patent/GB201905325D0/en
Application filed by V Nova Int Ltd filed Critical V Nova Int Ltd
Publication of MX2021011337A publication Critical patent/MX2021011337A/es

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    • HELECTRICITY
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • 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
    • HELECTRICITY
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    • 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
    • H04N19/109Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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    • 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
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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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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    • 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
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    • 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]
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    • H04N19/18Methods 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 set of transform coefficients
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    • H04N19/184Methods 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
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    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
MX2021011337A 2019-03-20 2020-03-10 Muestreo ascendente modificado para tecnología de codificación de video. MX2021011337A (es)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB1903844.7A GB201903844D0 (en) 2019-03-20 2019-03-20 A method of encoding and decoding a video
GBGB1904014.6A GB201904014D0 (en) 2019-03-23 2019-03-23 Video coding technology
GBGB1904492.4A GB201904492D0 (en) 2019-03-29 2019-03-29 Video coding technology
GBGB1905325.5A GB201905325D0 (en) 2019-04-15 2019-04-15 Video coding technology
PCT/GB2020/050574 WO2020188242A1 (en) 2019-03-20 2020-03-10 Modified upsampling for video coding technology

Publications (1)

Publication Number Publication Date
MX2021011337A true MX2021011337A (es) 2021-12-10

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MX2021011337A MX2021011337A (es) 2019-03-20 2020-03-10 Muestreo ascendente modificado para tecnología de codificación de video.
MX2021011333A MX2021011333A (es) 2019-03-20 2020-03-19 Cuantificación de residuos en codificación de vídeo.

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MX2021011333A MX2021011333A (es) 2019-03-20 2020-03-19 Cuantificación de residuos en codificación de vídeo.

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US (5) US12335508B2 (enExample)
EP (5) EP3942818A1 (enExample)
JP (2) JP7548934B2 (enExample)
KR (2) KR20220003509A (enExample)
CN (5) CN113994689B (enExample)
AU (1) AU2020244264B2 (enExample)
BR (2) BR112021018469A2 (enExample)
CA (2) CA3133943A1 (enExample)
DK (1) DK3942814T3 (enExample)
ES (1) ES2987092T3 (enExample)
FI (1) FI3942814T3 (enExample)
GB (6) GB2617304B (enExample)
MX (2) MX2021011337A (enExample)
PL (1) PL3942814T3 (enExample)
WO (4) WO2020188237A1 (enExample)
ZA (1) ZA202107043B (enExample)

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