BR122020018046B1 - Método para remover artefatos de blocagem - Google Patents

Método para remover artefatos de blocagem Download PDF

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Publication number
BR122020018046B1
BR122020018046B1 BR122020018046-3A BR122020018046A BR122020018046B1 BR 122020018046 B1 BR122020018046 B1 BR 122020018046B1 BR 122020018046 A BR122020018046 A BR 122020018046A BR 122020018046 B1 BR122020018046 B1 BR 122020018046B1
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Brazil
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quantization parameter
sample
unit
quantization
edge
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BR122020018046-3A
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Portuguese (pt)
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BR122020018046A8 (pt
BR122020018046A2 (https=
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Min Jang
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Gensquare Llc
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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
    • H04N19/10—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
    • H04N19/134—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
    • 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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
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    • 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
    • H04N19/176—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 block, e.g. a macroblock
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    • 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
    • H04N19/192—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • H04N19/194—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive involving only two passes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H—ELECTRICITY
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    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • 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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/12—Selection 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
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
BR122020018046-3A 2012-01-09 2013-01-08 Método para remover artefatos de blocagem BR122020018046B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20120002597 2012-01-09
KR10-2012-0002597 2012-01-09
PCT/CN2013/070217 WO2013104298A1 (en) 2012-01-09 2013-01-08 Method of removing deblocking artifacts

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BR122020018046A2 BR122020018046A2 (https=) 2020-11-03
BR122020018046A8 BR122020018046A8 (pt) 2022-10-04
BR122020018046B1 true BR122020018046B1 (pt) 2022-12-27

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BR122020018046-3A BR122020018046B1 (pt) 2012-01-09 2013-01-08 Método para remover artefatos de blocagem
BR112014008254-5A BR112014008254B1 (pt) 2012-01-09 2013-01-08 Método para remover artefatos de blocagem
BR122020018032-3A BR122020018032B1 (pt) 2012-01-09 2013-01-08 Método para remover artefatos de blocagem
BR122020018035-8A BR122020018035B1 (pt) 2012-01-09 2013-01-08 Método para remover artefatos de blocagem em uma imagem reconstruída
BR122020018040-4A BR122020018040B1 (pt) 2012-01-09 2013-01-08 Método para remover artefatos de blocagem

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BR122020018032-3A BR122020018032B1 (pt) 2012-01-09 2013-01-08 Método para remover artefatos de blocagem
BR122020018035-8A BR122020018035B1 (pt) 2012-01-09 2013-01-08 Método para remover artefatos de blocagem em uma imagem reconstruída
BR122020018040-4A BR122020018040B1 (pt) 2012-01-09 2013-01-08 Método para remover artefatos de blocagem

Country Status (13)

Country Link
US (5) US10504208B2 (https=)
EP (3) EP2751983A4 (https=)
JP (5) JP5923618B2 (https=)
KR (3) KR20140057390A (https=)
CN (10) CN110099191B (https=)
AR (4) AR092786A1 (https=)
BR (5) BR122020018046B1 (https=)
CA (6) CA3184190C (https=)
IN (1) IN2014CN03870A (https=)
MX (6) MX2014004001A (https=)
SG (2) SG11201400673UA (https=)
TW (10) TWI852431B (https=)
WO (1) WO2013104298A1 (https=)

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AR092786A1 (es) 2015-05-06
CN110086957B (zh) 2022-06-03
TW202450313A (zh) 2024-12-16
IN2014CN03870A (https=) 2015-10-16
CA3090775A1 (en) 2013-07-18
TW201412120A (zh) 2014-03-16
WO2013104298A8 (en) 2013-10-31
MX363194B (es) 2019-03-14
AR096103A2 (es) 2015-12-09
CA2978151C (en) 2020-10-27
BR122020018035A8 (pt) 2022-10-04
EP2751983A4 (en) 2015-05-20
MX363195B (es) 2019-03-14
CA3090775C (en) 2023-02-14
CN110062128B (zh) 2022-07-26
TW202329696A (zh) 2023-07-16
TWI902383B (zh) 2025-10-21
EP3923576A1 (en) 2021-12-15
CN110062128A (zh) 2019-07-26
CA2849417C (en) 2017-10-24
TW202450314A (zh) 2024-12-16
SG11201400673UA (en) 2014-04-28
TW202446076A (zh) 2024-11-16
JP2015502714A (ja) 2015-01-22
MX356875B (es) 2018-06-19
BR112014008254A8 (pt) 2022-10-04
KR20140102180A (ko) 2014-08-21
TWI615019B (zh) 2018-02-11
JP2016131402A (ja) 2016-07-21
CN109889832B (zh) 2022-06-17
CN109905707B (zh) 2022-04-19
JP2016154378A (ja) 2016-08-25
EP2751983A1 (en) 2014-07-09
BR112014008254B1 (pt) 2023-01-10
TW201909640A (zh) 2019-03-01
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US10504208B2 (en) 2019-12-10
TW201813398A (zh) 2018-04-01
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BR122020018040B1 (pt) 2022-12-27
US20150154740A1 (en) 2015-06-04
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CN109905707A (zh) 2019-06-18
JP5923618B2 (ja) 2016-05-24
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US20240323381A1 (en) 2024-09-26
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BR122020018040A8 (pt) 2022-10-04
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BR122020018046A2 (https=) 2020-11-03
CN110062229A (zh) 2019-07-26
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CA3184273A1 (en) 2013-07-18
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WO2013104298A1 (en) 2013-07-18
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US11100609B2 (en) 2021-08-24
MX2014004001A (es) 2014-08-08
MX384187B (es) 2025-03-14
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US12568220B2 (en) 2026-03-03
EP3923560A1 (en) 2021-12-15
US20210358085A1 (en) 2021-11-18
BR122020018032A8 (pt) 2022-10-04
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CN110062229B (zh) 2022-04-19
TWI800752B (zh) 2023-05-01
BR122020018035B1 (pt) 2022-12-27
CN109982084B (zh) 2022-11-29
JP6285484B2 (ja) 2018-02-28
CA2849417A1 (en) 2013-07-18
AR096102A2 (es) 2015-12-09
CN109905708B (zh) 2022-11-29
KR20140067132A (ko) 2014-06-03
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TWI647951B (zh) 2019-01-11

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