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MX2018002209A - Mejora espacial de bloques de transformacion. - Google Patents

Mejora espacial de bloques de transformacion.

Info

Publication number
MX2018002209A
MX2018002209A MX2018002209A MX2018002209A MX2018002209A MX 2018002209 A MX2018002209 A MX 2018002209A MX 2018002209 A MX2018002209 A MX 2018002209A MX 2018002209 A MX2018002209 A MX 2018002209A MX 2018002209 A MX2018002209 A MX 2018002209A
Authority
MX
Mexico
Prior art keywords
residual block
prediction errors
transform blocks
reconstructed prediction
sub
Prior art date
Application number
MX2018002209A
Other languages
English (en)
Inventor
Andersson Kenneth
Wennersten Per
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of MX2018002209A publication Critical patent/MX2018002209A/es

Links

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
    • H04N19/60—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
    • 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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/17—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
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/182—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 pixel
    • 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

Landscapes

  • 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)

Abstract

Los errores de predicción reconstruidos en una porción secundaria (12) de un bloque residual (11) obtenido por transformación inversa de un bloque de transformación (10) se modifican con el fin de mejorar espacialmente las partes localizadas del bloque residual (11), por ejemplo para compensar artefactos visuales de codificación por transformada. La modificación afecta a los errores de predicción reconstruido en la porción secundaria (12) del bloque residual (11), pero no errores reconstruidos de predicción en una parte restante del bloque residual (11).
MX2018002209A 2015-09-01 2015-09-01 Mejora espacial de bloques de transformacion. MX2018002209A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2015/050919 WO2017039501A1 (en) 2015-09-01 2015-09-01 Spatial improvement of transform blocks

Publications (1)

Publication Number Publication Date
MX2018002209A true MX2018002209A (es) 2018-03-23

Family

ID=58188189

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2018002209A MX2018002209A (es) 2015-09-01 2015-09-01 Mejora espacial de bloques de transformacion.

Country Status (7)

Country Link
US (1) US10080038B2 (es)
EP (1) EP3345396A4 (es)
JP (1) JP6557406B2 (es)
CN (1) CN108141600A (es)
HK (1) HK1256544A1 (es)
MX (1) MX2018002209A (es)
WO (1) WO2017039501A1 (es)

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US10999602B2 (en) 2016-12-23 2021-05-04 Apple Inc. Sphere projected motion estimation/compensation and mode decision
US11259046B2 (en) 2017-02-15 2022-02-22 Apple Inc. Processing of equirectangular object data to compensate for distortion by spherical projections
US10924747B2 (en) 2017-02-27 2021-02-16 Apple Inc. Video coding techniques for multi-view video
US11093752B2 (en) 2017-06-02 2021-08-17 Apple Inc. Object tracking in multi-view video
US10754242B2 (en) 2017-06-30 2020-08-25 Apple Inc. Adaptive resolution and projection format in multi-direction video
US10812797B2 (en) * 2018-02-05 2020-10-20 Tencent America LLC Method, apparatus and medium for decoding or encoding using a low-complexity transform
JP7669278B2 (ja) 2019-03-17 2025-04-28 北京字節跳動網絡技術有限公司 オプティカルフローベースの予測精緻化の計算
CN113940068A (zh) 2019-06-11 2022-01-14 Lg 电子株式会社 基于缩放列表参数的视频或图像编译
WO2021054787A1 (ko) * 2019-09-21 2021-03-25 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
JP7513703B2 (ja) * 2019-09-21 2024-07-09 エルジー エレクトロニクス インコーポレイティド 変換に基づく画像コーディング方法及びその装置

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JP2009543501A (ja) * 2006-07-10 2009-12-03 シャープ株式会社 マルチレイヤ・ビットストリーム中の複数のレイヤを統合するための方法およびシステム
CN101682787A (zh) 2007-04-12 2010-03-24 诺基亚公司 空间增强的变换编码
GB0906058D0 (en) 2009-04-07 2009-05-20 Nokia Corp An apparatus
EP2464015A4 (en) * 2009-08-06 2012-07-11 Panasonic Corp CODING METHOD, DECODING METHOD, CODING DEVICE AND DECODING DEVICE
KR101791078B1 (ko) * 2010-04-16 2017-10-30 에스케이텔레콤 주식회사 영상 부호화/복호화 장치 및 방법
KR101943049B1 (ko) * 2011-06-30 2019-01-29 에스케이텔레콤 주식회사 영상 부호화/복호화 방법 및 장치
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Also Published As

Publication number Publication date
EP3345396A4 (en) 2019-03-27
WO2017039501A1 (en) 2017-03-09
HK1256544A1 (zh) 2019-09-27
US10080038B2 (en) 2018-09-18
EP3345396A1 (en) 2018-07-11
CN108141600A (zh) 2018-06-08
JP2018529290A (ja) 2018-10-04
JP6557406B2 (ja) 2019-08-07
US20170257644A1 (en) 2017-09-07

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