WO2012011670A3 - Method and device for predicting color space using plurality of frequency domain weighting prediction filters, and method and device for encoding/decoding image using same - Google Patents

Method and device for predicting color space using plurality of frequency domain weighting prediction filters, and method and device for encoding/decoding image using same Download PDF

Info

Publication number
WO2012011670A3
WO2012011670A3 PCT/KR2011/004513 KR2011004513W WO2012011670A3 WO 2012011670 A3 WO2012011670 A3 WO 2012011670A3 KR 2011004513 W KR2011004513 W KR 2011004513W WO 2012011670 A3 WO2012011670 A3 WO 2012011670A3
Authority
WO
WIPO (PCT)
Prior art keywords
prediction
color space
frequency domain
predicting
frequency
Prior art date
Application number
PCT/KR2011/004513
Other languages
French (fr)
Korean (ko)
Other versions
WO2012011670A2 (en
Inventor
송진한
임정연
최윤식
김용구
최영호
정진우
Original Assignee
에스케이텔레콤 주식회사
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 에스케이텔레콤 주식회사 filed Critical 에스케이텔레콤 주식회사
Publication of WO2012011670A2 publication Critical patent/WO2012011670A2/en
Publication of WO2012011670A3 publication Critical patent/WO2012011670A3/en

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
    • H04N19/10—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
    • H04N19/103—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
    • H04N19/169—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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
    • 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
    • H04N19/60—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
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)

Abstract

One embodiment of the present invention relates to a method and a device for predicting a color space using a plurality of frequency domain weighting prediction filters, and to a method and a device for encoding/decoding an image using same. According to one embodiment, the present invention provides the device and the method for predicting the color space comprising: a prediction weight calculating unit for determining a weighted block from the encoded/decoded peripheral blocks of the current block, and for calculating the prediction weight for each of the frequency domains using the weighted block; a prediction frequency selection unit for calculating a prediction gain for each of the frequency domains from the prediction weight for each of the frequency domains, and for selecting the frequency domain to be used for predicting the color space by using the prediction gain for each of the frequency domains; and a frequency domain prediction unit for receiving remaining transformed blocks, and for predicting the color space in the remaining transformed blocks from the prediction gain of the selected frequency domain. The present invention also provides the device and the method for predicting the color space and the method and the device for encoding/decoding the image using same, comprising: the prediction weight calculating unit for determining the weighted block from the encoded/decoded peripheral blocks of the current block, and for calculating the prediction weight for each of the frequency domains using the current weighted block; the prediction frequency selection unit for calculating the prediction gain for each of the frequency domains from the prediction weight for each of the frequency domains, and for selecting the frequency domain to be used for predicting the color space by using the prediction gain for each of the frequency domains; and a frequency domain recovery unit for recovering the remaining transformed blocks from the color space prediction block using the prediction gain of the selected frequency domain.
PCT/KR2011/004513 2010-07-23 2011-06-21 Method and device for predicting color space using plurality of frequency domain weighting prediction filters, and method and device for encoding/decoding image using same WO2012011670A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0071238 2010-07-23
KR1020100071238A KR101681307B1 (en) 2010-07-23 2010-07-23 Method and Apparatus for Color Space Prediction Using Multiple Frequency Domain Weighted Prediction Filter and Method and Apparatus for Encoding/Decoding of Video Data Thereof

Publications (2)

Publication Number Publication Date
WO2012011670A2 WO2012011670A2 (en) 2012-01-26
WO2012011670A3 true WO2012011670A3 (en) 2012-04-05

Family

ID=45497250

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/004513 WO2012011670A2 (en) 2010-07-23 2011-06-21 Method and device for predicting color space using plurality of frequency domain weighting prediction filters, and method and device for encoding/decoding image using same

Country Status (2)

Country Link
KR (1) KR101681307B1 (en)
WO (1) WO2012011670A2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060079051A (en) * 2004-12-30 2006-07-05 삼성전자주식회사 Color image encoding and decoding method and apparatus using a correlation between chrominance components
WO2009001864A1 (en) * 2007-06-28 2008-12-31 Mitsubishi Electric Corporation Image encoder and image decoder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060079051A (en) * 2004-12-30 2006-07-05 삼성전자주식회사 Color image encoding and decoding method and apparatus using a correlation between chrominance components
WO2009001864A1 (en) * 2007-06-28 2008-12-31 Mitsubishi Electric Corporation Image encoder and image decoder

Also Published As

Publication number Publication date
KR20120011353A (en) 2012-02-08
WO2012011670A2 (en) 2012-01-26
KR101681307B1 (en) 2016-12-01

Similar Documents

Publication Publication Date Title
WO2011087321A3 (en) Method and apparatus for encoding and decoding motion vector
WO2011019247A3 (en) Method and apparatus for encoding/decoding motion vector
WO2011099792A3 (en) Method and apparatus for processing a video signal
EP2945381A3 (en) Image decoding apparatus
PH12015501080A1 (en) Method and apparatus for encoding video by using deblocking filtering, and method and apparatus for decoding video by using deblocking filtering
WO2012078001A3 (en) Intra prediction method and encoding apparatus and decoding apparatus using same
WO2012023762A3 (en) Method for decoding intra-predictions
WO2012093898A3 (en) Method for encoding and decoding image information and device using same
MY165170A (en) Video encoding method and video encoding apparatus and video decoding method and video decoding apparatus, which perform deblocking filtering based on tree-structure encoding units
WO2012033344A3 (en) Method and apparatus for encoding/decoding images using the effective selection of an intra-prediction mode group
WO2012087035A3 (en) Intra prediction mode encoding/decoding method and apparatus for same
WO2011139099A3 (en) Method and apparatus for processing a video signal
WO2012177051A3 (en) Method and apparatus for adaptively encoding and decoding a quantization parameter based on a quadtree structure
RU2016140545A (en) VIDEO DECODING METHOD
WO2009113787A3 (en) A method and an apparatus for encoding or decoding a video signal
WO2012057583A3 (en) Video information encoding method and decoding method
WO2009157674A3 (en) Method for encoding/decoding motion vector and apparatus thereof
WO2012144830A3 (en) Methods and apparatuses for encoding and decoding image using adaptive filtering
WO2013042912A3 (en) Method and an apparatus for encoding/decoding an image
PH12016501595B1 (en) Method and apparatus for encoding/decoding images using a motion vector of a previous block as a motion vector for the current block
WO2012011744A3 (en) Method and device for deblocking-filtering, and method and device for encoding and decoding using same
JP2013009103A5 (en) Image decoding apparatus, image decoding method, and image decoding program, and receiving apparatus, receiving method, and receiving program
WO2012011670A3 (en) Method and device for predicting color space using plurality of frequency domain weighting prediction filters, and method and device for encoding/decoding image using same
WO2012002765A3 (en) Method and apparatus for predicting color space, and method and apparatus for encoding/decoding image using same
WO2012060663A3 (en) Method and apparatus for encoding/decoding image for performing intra-prediction using pixel value filtered according to prediction mode

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11809797

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 17/05/2013)

122 Ep: pct application non-entry in european phase

Ref document number: 11809797

Country of ref document: EP

Kind code of ref document: A2