IN2015DN03822A - - Google Patents

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Publication number
IN2015DN03822A
IN2015DN03822A IN3822DEN2015A IN2015DN03822A IN 2015DN03822 A IN2015DN03822 A IN 2015DN03822A IN 3822DEN2015 A IN3822DEN2015 A IN 3822DEN2015A IN 2015DN03822 A IN2015DN03822 A IN 2015DN03822A
Authority
IN
India
Prior art keywords
pixels
pixel
values
patch
region
Prior art date
Application number
Inventor
Eugen Wige
Peter Amon
ANDRé KAUP
Andreas Hutter
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of IN2015DN03822A publication Critical patent/IN2015DN03822A/en

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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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/134—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

The invention refers to a method for coding a sequence of digital images (I) wherein the method uses a number of prediction modes for predicting values of pixels (P1) in the images (I) based on reconstructed values of pixels in image areas processed previously where a prediction error (PE) between predicted values and the original values of pixels (P1) is processed for generating the coded sequence of digital images (CI). The invention is characterized in that a preset prediction mode (NLM) is an intra prediction mode based on pixels of a single image (I) in which preset prediction mode (NLM). In a step i) for a region (R) of pixels with reconstructed values in the single image (I) and for a template (TE) of an image area a first patch (PA1) of pixels in the region (R) which surround a first pixel (P1) to be predicted based on the template (TE) is compared with several second patches (PA2) each second patch (PA2) being assigned to a second pixel (P2) in the region (R) and consisting of pixels in the region (R) which surround the second pixel (P2) based on the template (TE) thereby determining a similarity measure (SM) for each second pixel (P2) describing the similarity between reconstructed values of the pixels of the second patch (PA2) assigned to the respective second pixel (P2) and the reconstructed values of the pixels of the first patch (PA1). In a step ii) a predicted value of each first pixel (PI) is determined based on a weighted sum of values of the second pixels (P2) where the value of each second pixel (P2) is weighted by a weighting factor which is monotonously decreasing in dependency on a decreasing similarity described by the similarity measure (SM) for the respective second pixel (P2).
IN3822DEN2015 2012-12-18 2012-12-18 IN2015DN03822A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/075988 WO2014094829A1 (en) 2012-12-18 2012-12-18 A method for coding a sequence of digital images

Publications (1)

Publication Number Publication Date
IN2015DN03822A true IN2015DN03822A (en) 2015-10-02

Family

ID=47559396

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3822DEN2015 IN2015DN03822A (en) 2012-12-18 2012-12-18

Country Status (5)

Country Link
US (1) US20150334417A1 (en)
EP (1) EP2904780A1 (en)
CN (1) CN104982035B (en)
IN (1) IN2015DN03822A (en)
WO (1) WO2014094829A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10250874B2 (en) 2013-04-09 2019-04-02 Siemens Aktiengesellschaft Method for coding sequence of digital images
CN104363449B (en) * 2014-10-31 2017-10-10 华为技术有限公司 Image prediction method and relevant apparatus
KR102332782B1 (en) * 2014-12-15 2021-11-30 삼성전자주식회사 Video data compression considering a vision system
WO2016204462A1 (en) * 2015-06-16 2016-12-22 엘지전자(주) Method for encoding/decoding image and device for same
EP3313078B1 (en) 2015-06-18 2020-12-23 LG Electronics Inc. Image properties-based adaptive filtering method and device in image coding system
CN106604028A (en) 2015-10-16 2017-04-26 中兴通讯股份有限公司 Encoding processing method and device, decoding processing method and device, encoder, and decoder
WO2017133660A1 (en) * 2016-02-04 2017-08-10 Mediatek Inc. Method and apparatus of non-local adaptive in-loop filters in video coding
EP3580928A1 (en) * 2017-02-08 2019-12-18 Fraunhofer Gesellschaft zur Förderung der Angewand Predictive coding concept using template matching
CN111479114B (en) * 2019-01-23 2022-07-22 华为技术有限公司 Point cloud encoding and decoding method and device
EP3915256A4 (en) 2019-06-21 2022-05-25 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods for sub-block partitioning mode

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5631979A (en) * 1992-10-26 1997-05-20 Eastman Kodak Company Pixel value estimation technique using non-linear prediction
JP2007043651A (en) * 2005-07-05 2007-02-15 Ntt Docomo Inc Dynamic image encoding device, dynamic image encoding method, dynamic image encoding program, dynamic image decoding device, dynamic image decoding method, and dynamic image decoding program
JP5406465B2 (en) * 2008-04-24 2014-02-05 株式会社Ｎｔｔドコモ Image predictive encoding device, image predictive encoding method, image predictive encoding program, image predictive decoding device, image predictive decoding method, and image predictive decoding program
JP2010258738A (en) * 2009-04-24 2010-11-11 Sony Corp Image processing apparatus, method and program
CN102668566B (en) * 2009-10-22 2016-05-04 汤姆森特许公司 Method and apparatus by DC intra prediction mode for Video coding and decoding

Also Published As

Publication number Publication date
EP2904780A1 (en) 2015-08-12
US20150334417A1 (en) 2015-11-19
WO2014094829A1 (en) 2014-06-26
CN104982035A (en) 2015-10-14
CN104982035B (en) 2018-12-11

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